{"id":42558,"date":"2026-07-24T16:10:59","date_gmt":"2026-07-24T08:10:59","guid":{"rendered":"https:\/\/www.evb.com\/?p=42558"},"modified":"2026-07-24T16:11:11","modified_gmt":"2026-07-24T08:11:11","slug":"dc-fast-charging-station-power-requirements-evb","status":"publish","type":"post","link":"https:\/\/www.evb.com\/lv\/dc-fast-charging-station-power-requirements-evb\/","title":{"rendered":"L\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijas jaudas pras\u012bbas | EVB"},"content":{"rendered":"<style>\n.evb-article-wrap{color:#1f1f1f;font-size:17px;line-height:1.8}\n.evb-article-wrap h2{font-size:30px;line-height:1.3;font-weight:800;margin:46px 0 14px;color:#0b2239}\n.evb-article-wrap h3{font-size:22px;line-height:1.4;font-weight:700;margin:28px 0 10px;color:#0b2239}\n.evb-article-wrap p{margin:0 0 18px;color:#444}\n.evb-article-wrap strong{color:#1f1f1f}\n.evb-article-wrap a{color:#185FA5;text-decoration:none}\n.evb-article-wrap a:hover{text-decoration:underline}\n.evb-eeat-line{background:#f5f8fc;border-radius:8px;padding:18px 22px;margin:0 0 28px;color:#7d8792;font-size:15px;line-height:1.8}\n.evb-article-intro{border-left:3px solid #378ADD;padding-left:18px;margin:0 0 28px;color:#4b4f55;font-size:18px;line-height:1.75}\n.evb-tip{background:#f3f8fe;border-left:3px solid #378ADD;padding:14px 16px;margin:20px 0 24px;color:#47505a;font-size:15px;line-height:1.75}\n.evb-warning{background:#fff8ec;border-left:3px solid #f2a93b;padding:14px 16px;margin:20px 0 24px;color:#554739;font-size:15px;line-height:1.75}\n.evb-article-wrap ul,.evb-article-wrap ol{margin:0 0 18px 20px;padding:0}\n.evb-article-wrap li{margin:0 0 8px}\n.evb-table-wrap{overflow-x:auto;margin:22px 0 28px}\n.evb-table{width:100%;border-collapse:collapse;font-size:15px}\n.evb-table th{text-align:left;padding:12px 14px;background:#f7f8fa;color:#66707a;font-size:12px;font-weight:700;text-transform:uppercase;border:1px solid #e6e9ee}\n.evb-table td{padding:14px;border:1px solid #e6e9ee;vertical-align:top;color:#46505a}\n.evb-callout{background:#0b2239;color:#fff;border-radius:8px;padding:24px 26px;margin:34px 0}\n.evb-callout p,.evb-callout li{color:#e9f1f8}\n.evb-callout strong{color:#fff}\n.evb-proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 30px}\n.evb-proof-card{background:#f7f9fc;border:1px solid #e6edf5;border-radius:8px;padding:18px}\n.evb-proof-card strong{display:block;margin-bottom:8px;color:#0b2239}\n.evb-proof-card p{font-size:15px;line-height:1.65;margin:0}\n.evb-figure{margin:28px 0 34px}\n.evb-figure img{width:100%;height:auto;border-radius:8px;display:block}\n.evb-image-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0 34px}\n.evb-image-grid .evb-figure{margin:0}\n.evb-image-grid figure{margin:0}\n.evb-image-grid img{width:100%;height:360px;object-fit:cover;object-position:center center;border-radius:8px;display:block}\n.evb-image-grid .evb-contain{object-fit:contain;background:#f7f9fc}\n.evb-figure figcaption,.evb-image-grid figcaption,.evb-caption{font-size:13px;color:#7f8790;margin-top:8px;line-height:1.6}\n.evb-checklist{background:#f7f9fc;border:1px solid #e8edf3;border-radius:8px;padding:18px 22px;margin:24px 0 30px}\n.evb-formula{background:#f7f9fc;border:1px solid #dfe7ef;border-radius:8px;padding:20px 22px;margin:22px 0 28px;font-size:18px;color:#0b2239;text-align:center}\n.evb-step{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;margin:22px 0}\n.evb-step-num{width:44px;height:44px;border-radius:50%;background:#185FA5;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}\n.evb-step-content h3{margin:4px 0 8px}\n.evb-faq{border-top:1px solid #e6e9ee;padding-top:18px}\n.evb-faq h3{margin-top:24px}\n@media(max-width:768px){.evb-article-wrap{font-size:16px}.evb-article-wrap h2{font-size:25px}.evb-article-wrap h3{font-size:20px}.evb-table{font-size:14px}.evb-image-grid img{height:320px}.evb-image-grid,.evb-proof-grid{grid-template-columns:1fr}.evb-step{grid-template-columns:44px 1fr}}\n<\/style>\n\n<div class=\"evb-article-wrap\">\n  <div class=\"evb-eeat-line\">EVB.COM \u00b7 Autors: EVB Charging Solutions Team \u00b7 Tehnisk\u0101 apskate: EVB Commercial Charging Engineering Team \u00b7 Atjaunin\u0101ts 2026.\u00a0gada j\u016blij\u0101 \u00b7 Las\u012b\u0161anas laiks: 19\u00a0min\u016btes \u00b7 \u0100tr\u0101 l\u012bdzstr\u0101vas uzl\u0101de \u00b7 T\u012bkla jauda \u00b7 Transformatoru pl\u0101no\u0161ana \u00b7 Dinamiska slodzes p\u0101rvald\u012bba<\/div>\n\n  <p class=\"evb-article-intro\">Cik daudz t\u012bkla jaudas paties\u012bb\u0101 ir nepiecie\u0161ams l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijai? Atbilde reti kad ir visu uzl\u0101des staciju datu summa. Noder\u012bgs vietas apr\u0113\u0137ins s\u0101kas ar transportl\u012bdzek\u013ca ener\u0123ijas piepras\u012bjumu, aiztures laiku, re\u0101listisku vienlaic\u012bgu uzl\u0101di, uzl\u0101des ier\u012bces mai\u0146str\u0101vas ieeju, iek\u0101rtas eso\u0161o slodzi un darb\u012bbas ierobe\u017eojumu, kas saska\u0146ots ar komun\u0101lo pakalpojumu sniedz\u0113ju. Dinamisko slodzes p\u0101rvald\u012bbu, saules ener\u0123ijas ra\u017eo\u0161anu un akumulatoru uzglab\u0101\u0161anu var nov\u0113rt\u0113t k\u0101 vad\u012bbas resursus, nevis k\u0101 \u012bsce\u013cus ap elektroinstal\u0101cijas projekt\u0113\u0161anu.<\/p>\n\n  <div class=\"evb-tip\"><strong>\u0100tr\u0101 atbilde:<\/strong> Nov\u0113rt\u0113jiet l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijas jaudu, \u0146emot v\u0113r\u0101 objekta maksim\u0101lo vienlaic\u012bgo mai\u0146str\u0101vas piepras\u012bjumu, nevis tikai l\u0101d\u0113t\u0101ju skaitu. P\u0101rbaudes vien\u0101dojums ir: <strong>t\u012bkla imports = iek\u0101rtas slodze + l\u0101d\u0113t\u0101ja mai\u0146str\u0101vas ieeja + pal\u012bgier\u012bces \u2013 uz vietas sara\u017eot\u0101 ener\u0123ija, kas tiek izmantota attiec\u012bgaj\u0101 br\u012bd\u012b \u2013 at\u013caut\u0101 BESS izl\u0101de<\/strong>Gal\u012bgie l\u0113mumi par transformatoriem, sadales iek\u0101rt\u0101m, kabe\u013ciem, aizsardz\u012bbu un starpsavienojumiem j\u0101pie\u0146em, pamatojoties uz izm\u0113r\u012btajiem slodzes datiem un uz laiku balst\u012btu uzl\u0101des modeli, un p\u0113c tam tos j\u0101pabeidz kvalific\u0113tiem projekta in\u017eenieriem sadarb\u012bb\u0101 ar apkalpojo\u0161o komun\u0101lo pakalpojumu sniedz\u0113ju un attiec\u012bgaj\u0101m iest\u0101d\u0113m.<\/div>\n\n  <figure class=\"evb-figure\">\n    <img decoding=\"async\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/04\/EVB-DC-EV-Charging-solution-for-Office-Parks-and-Headquarters.webp\" alt=\"Komerci\u0101la teritorija, kur\u0101 tiek izmantotas EVB l\u012bdzstr\u0101vas uzl\u0101des iek\u0101rtas\" loading=\"eager\">\n    <figcaption>Komerci\u0101lajai uzl\u0101des vietai j\u0101b\u016bt projekt\u0113tai k\u0101 vienai elektrosist\u0113mai: uzl\u0101des ier\u012bces, transportl\u012bdzek\u013ci, \u0113ku slodzes, t\u012bkla piesl\u0113gums, vad\u012bbas ier\u012bces un papildu izklied\u0113tie ener\u0123ijas resursi.<\/figcaption>\n  <\/figure>\n\n  <div class=\"evb-proof-grid\">\n    <div class=\"evb-proof-card\"><strong>Ener\u0123ija nosaka ikdienas darbu<\/strong><p>Transportl\u012bdzek\u013ca akumulatora uzl\u0101d\u0113jam\u0101 ener\u0123ija un pieejamais uzl\u0101des logs nosaka vid\u0113jo jaudu, ko vietai j\u0101nodro\u0161ina.<\/p><\/div>\n    <div class=\"evb-proof-card\"><strong>Sakrit\u012bba nosaka virsotni<\/strong><p>Transportl\u012bdzek\u013cu iera\u0161an\u0101s, uzl\u0101des pie\u0146em\u0161ana, akt\u012bvie savienot\u0101ji un jaudas koplieto\u0161ana nosaka maksim\u0101lo vienlaic\u012bgo piepras\u012bjumu.<\/p><\/div>\n    <div class=\"evb-proof-card\"><strong>Vad\u012bklu formas re\u017e\u0123a import\u0113\u0161ana<\/strong><p>Slodzes p\u0101rvald\u012bba un BESS dispe\u010dersist\u0113ma var notur\u0113t piepras\u012bjumu zem noteiktas maksim\u0101l\u0101s robe\u017eas, ja darb\u012bbas pl\u0101ns pie\u013cauj elast\u012bbu.<\/p><\/div>\n  <\/div>\n\n  <h2>Kas nosaka l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijas jaudas pras\u012bbas?<\/h2>\n\n  <p>L\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des staciju jaudas pras\u012bbas ietekm\u0113 vair\u0101k nek\u0101 tikai uz uzl\u0101des stacijas nor\u0101d\u012btais skaitlis. Vieni un tie pa\u0161i \u010detri 240 kW uzl\u0101des staciju mode\u013ci var rad\u012bt \u013coti at\u0161\u0137ir\u012bgas t\u012bkla slodzes automa\u0123istr\u0101\u013cu mezgl\u0101, lo\u0123istikas depo, automa\u0161\u012bnu tirdzniec\u012bbas viet\u0101 un biroja teritorij\u0101, jo at\u0161\u0137iras transportl\u012bdzek\u013ci, iera\u0161an\u0101s mode\u013ci, uzkav\u0113\u0161an\u0101s laiki un darb\u012bbas priorit\u0101tes.<\/p>\n\n  <p>Klin\u0161u kalnu nacion\u0101l\u0101s laboratorijas r\u012bks EVI-EnSitePy model\u0113 lieljaudas uzl\u0101des vietas, izmantojot transportl\u012bdzek\u013cu grafikus, l\u0101d\u0113t\u0101ju jaudu, piesl\u0113gvietu skaitu, l\u0101d\u0113t\u0101ju efektivit\u0101ti, baro\u0161anas modu\u013cus, savienot\u0101ja veidu, transportl\u012bdzek\u013ca uzl\u0101des st\u0101vokli un no temperat\u016bras atkar\u012bgu uzl\u0101des pie\u0146em\u0161anu. Tas ar\u012b nov\u0113rt\u0113 vietas maksim\u0101lo jaudu, ener\u0123ijas uzglab\u0101\u0161anas pras\u012bbas, rindas un jaudas sadales proced\u016bras.<sup><a href=\"https:\/\/www.nlr.gov\/transportation\/evi-ensitepy\">[1]<\/a><\/sup> Tas ir noder\u012bgs kopsavilkums par to, k\u0101p\u0113c nopietnam projektam ir nepiecie\u0161ams slodzes profils, nevis viens reizin\u0101t\u0101js.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>Ievade<\/th><th>Jaut\u0101jums, uz kuru j\u0101atbild<\/th><th>K\u0101p\u0113c tas maina rezult\u0101tu<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>Transportl\u012bdzek\u013ca ener\u0123ijas piepras\u012bjums<\/strong><\/td><td>Cik kWh katram transportl\u012bdzeklim j\u0101sa\u0146em pirms atie\u0161anas?<\/td><td>Nosaka kop\u0113jo ener\u0123ijas daudzumu, kas dien\u0101 j\u0101pieg\u0101d\u0101 uzl\u0101dei.<\/td><\/tr>\n      <tr><td><strong>Apst\u0101\u0161an\u0101s logs<\/strong><\/td><td>Cik ilgi katrs transportl\u012bdzeklis var palikt savienots?<\/td><td>\u012as\u0101kiem logiem ir nepiecie\u0161ama liel\u0101ka vid\u0113j\u0101 jauda vai liel\u0101ka darb\u012bbas elast\u012bba.<\/td><\/tr>\n      <tr><td><strong>Transportl\u012bdzek\u013ca maksas pie\u0146em\u0161ana<\/strong><\/td><td>K\u0101du jaudu transportl\u012bdzeklis var uz\u0146emt katr\u0101 uzl\u0101des st\u0101vokl\u012b un temperat\u016br\u0101?<\/td><td>Transportl\u012bdzeklis var pat\u0113r\u0113t daudz maz\u0101k nek\u0101 l\u0101d\u0113t\u0101ja maksim\u0101l\u0101 jauda.<\/td><\/tr>\n      <tr><td><strong>Akt\u012bvie savienot\u0101ji<\/strong><\/td><td>Cik sesijas var p\u0101rkl\u0101ties?<\/td><td>Nosaka vienlaic\u012bgu maksas piepras\u012bjumu un rindas risku.<\/td><\/tr>\n      <tr><td><strong>Jaudas sadale<\/strong><\/td><td>Vai stacijas baro\u0161ana ir atdal\u012bta vai koplietota starp savienot\u0101jiem?<\/td><td>Maina katra transportl\u012bdzek\u013ca jaudu un stacijas kop\u0113jo mai\u0146str\u0101vas ieejas jaudu.<\/td><\/tr>\n      <tr><td><strong>Eso\u0161\u0101 vietnes slodze<\/strong><\/td><td>K\u0101ds ir izm\u0113r\u012btais objekta piepras\u012bjums uzl\u0101des stund\u0101s?<\/td><td>Bez moderniz\u0101cijas vai vad\u012bbas darb\u012bbas ir pieejama tikai atliku\u0161\u0101 elektrisk\u0101 br\u012bv\u0101 telpa.<\/td><\/tr>\n      <tr><td><strong>Lietder\u012bbas ierobe\u017eojums<\/strong><\/td><td>K\u0101da importa jauda ir apstiprin\u0101ta savienojuma punkt\u0101?<\/td><td>Nosaka maksim\u0101lo pie\u013caujamo plat\u012bbu, kas j\u0101iev\u0113ro visai teritorijai.<\/td><\/tr>\n      <tr><td><strong>N\u0101kotnes izaugsme<\/strong><\/td><td>Vai palielin\u0101sies transportl\u012bdzek\u013cu skaits, uzl\u0101des ier\u012b\u010du jauda vai piepras\u012bjums p\u0113c iek\u0101rt\u0101m?<\/td><td>Ietekm\u0113 transformatoru strat\u0113\u0123iju, in\u017eeniertehniskos darbus, vadus, sadales iek\u0101rtas un modul\u0101ro papla\u0161in\u0101\u0161anu.<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <h2>Nomin\u0101l\u0101s jaudas v\u0113rt\u012bba nav t\u0101da pati k\u0101 t\u012bkla piepras\u012bjums<\/h2>\n\n  <p>Ja projekt\u0101 tiek uzst\u0101d\u012bti \u010detri 240 kW l\u012bdzstr\u0101vas l\u0101d\u0113t\u0101ji, kop\u0113j\u0101 l\u0101d\u0113t\u0101ja datu pl\u0101ksn\u012bte ir 960 kW. \u0160is skaitlis ir svar\u012bgs: tas apraksta maksim\u0101lo summ\u0113to iek\u0101rtu jaudu un nosaka aug\u0161\u0113jo robe\u017eu, kas j\u0101\u0146em v\u0113r\u0101 elektroinstal\u0101cijas projekt\u0101. Tas nepier\u0101da, ka objekts nep\u0101rtraukti pat\u0113r\u0113s 960 kW.<\/p>\n\n  <p>Faktiskais piepras\u012bjums var b\u016bt maz\u0101ks \u0161\u0101du iemeslu d\u0113\u013c:<\/p>\n  <ul>\n    <li>Ne visi savienot\u0101ji ir aiz\u0146emti vienlaikus.<\/li>\n    <li>Transportl\u012bdzek\u013ciem ir at\u0161\u0137ir\u012bgas maksim\u0101l\u0101s uzl\u0101des likmes.<\/li>\n    <li>Elektroautomobi\u013cu akumulatoru uzl\u0101des jauda samazin\u0101s, palielinoties uzl\u0101des l\u012bmenim.<\/li>\n    <li>Auksts vai karsts akumulators var ierobe\u017eot transportl\u012bdzek\u013ca pie\u0146emam\u012bbu.<\/li>\n    <li>Divu savienojumu stacija var koplietot savu kop\u0113jo jaudu starp diviem transportl\u012bdzek\u013ciem.<\/li>\n    <li>Uzl\u0101des p\u0101rvald\u012bbas sist\u0113ma var noteikt objekta vai stacijas jaudas ierobe\u017eojumus.<\/li>\n    <li>Da\u017ei transportl\u012bdzek\u013ci var gaid\u012bt vai uzl\u0101d\u0113t l\u0113n\u0101k, nezaud\u0113jot izbrauk\u0161anas pras\u012bbas.<\/li>\n  <\/ul>\n\n  <p>Piepras\u012bjums var b\u016bt ar\u012b liel\u0101ks, nek\u0101 liecina tikai transportl\u012bdzek\u013ca jaudas apr\u0113\u0137ins, jo mai\u0146str\u0101vas pus\u0113 ir iek\u013cauti l\u0101d\u0113t\u0101ja konversijas zudumi un papildu pat\u0113ri\u0146\u0161. S\u0101kotn\u0113jai model\u0113\u0161anai projektu komand\u0101m j\u0101no\u0161\u0137ir <strong>transportl\u012bdzek\u013ciem pieg\u0101d\u0101t\u0101 jauda<\/strong> no <strong>Uzl\u0101des iek\u0101rtas pat\u0113r\u0113t\u0101 mai\u0146str\u0101va<\/strong>J\u0101izmanto pieg\u0101d\u0101t\u0101 l\u0101d\u0113t\u0101ja efektivit\u0101tes karte un pal\u012bgslodzes dati, nevis j\u0101piem\u0113ro neatbalst\u012bts univers\u0101ls procents.<\/p>\n\n  <div class=\"evb-warning\"><strong>Neizmantojiet sakrit\u012bbas faktoru k\u0101 min\u0113jumu.<\/strong> Viens procents, piem\u0113ram, 50% vai 70%, var b\u016bt noder\u012bgs agr\u012bn\u0101 scen\u0101rij\u0101, ta\u010du tam j\u0101b\u016bt pamatotam ar transportl\u012bdzek\u013cu kust\u012bbas grafiku, maksas l\u012bkni, ostas izmanto\u0161anu, rindas toleranci un kontroles strat\u0113\u0123iju. Automa\u0123istr\u0101les mezglu ar neparedzamiem iera\u0161an\u0101s laikiem nevar model\u0113t k\u0101 depo ar zin\u0101miem atgrie\u0161an\u0101s un atie\u0161anas laikiem.<\/div>\n\n  <h2>Ener\u0123ija un jauda j\u0101apr\u0113\u0137ina atsevi\u0161\u0137i<\/h2>\n\n  <p>Daudzos agr\u012bnajos projektos kilovati tiek jaukti ar kilovatstund\u0101m. Abi ir svar\u012bgi, ta\u010du tie atbild uz da\u017e\u0101diem jaut\u0101jumiem.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>Daudzums<\/th><th>Ko tas apraksta<\/th><th>Piem\u0113ra jaut\u0101jums<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>kW<\/strong><\/td><td>T\u016bl\u012bt\u0113ja uzl\u0101de vai t\u012bkla baro\u0161ana.<\/td><td>K\u0101ds ir augst\u0101kais vienlaic\u012bgais piepras\u012bjums, kas vietnei j\u0101pied\u0101v\u0101?<\/td><\/tr>\n      <tr><td><strong>kWh<\/strong><\/td><td>Laika gait\u0101 pieg\u0101d\u0101t\u0101 ener\u0123ija.<\/td><td>Cik daudz ener\u0123ijas visiem transportl\u012bdzek\u013ciem j\u0101sa\u0146em darb\u012bbas loga laik\u0101?<\/td><\/tr>\n      <tr><td><strong>kVA<\/strong><\/td><td>\u0160\u0137ietam\u0101 jauda, ko izmanto mai\u0146str\u0101vas iek\u0101rt\u0101m, piem\u0113ram, transformatoriem.<\/td><td>K\u0101ds transformatora v\u0113rt\u0113jums ir nepiecie\u0161ams, \u0146emot v\u0113r\u0101 jaudas koeficientu un in\u017eeniertehniskos apst\u0101k\u013cus?<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <p>Vienai depo var b\u016bt nepiecie\u0161ami 2400 kWh nakts laik\u0101, bet tikai 400 kW kontrol\u0113tas uzl\u0101des jaudas, ja transportl\u012bdzek\u013ci paliek piesl\u0113gti pietiekami ilgi. Citai vietai var b\u016bt nepiecie\u0161ams maz\u0101ks kop\u0113jais ener\u0123ijas daudzums, ta\u010du tam var b\u016bt nepiecie\u0161ams daudz liel\u0101ks maksimums, jo vair\u0101kiem transportl\u012bdzek\u013ciem ir \u012bsi apgroz\u012bbas periodi. T\u0101p\u0113c uzl\u0101des staciju izv\u0113lei ir j\u0101atbilst gan ener\u0123ijas pras\u012bb\u0101m, gan t\u0101s pieg\u0101dei pieejamajam laikam.<\/p>\n\n  <div class=\"evb-formula\"><strong>Vid\u0113ji nepiecie\u0161am\u0101 uzl\u0101des jauda<\/strong> \u2248 uzpild\u0101m\u0101 transportl\u012bdzek\u013ca ener\u0123ija \u00f7 pieejamais uzl\u0101des laiks<\/div>\n\n  <p>\u0160is vien\u0101dojums ir tikai s\u0101kumpunkts. Gal\u012bgajam modelim j\u0101pieskaita l\u0101d\u0113t\u0101ja zudumi, pal\u012bgslodzes, grafiku p\u0101rkl\u0101\u0161an\u0101s, minim\u0101lais uzl\u0101des st\u0101voklis, darb\u012bbas rezerve un periodi, kad transportl\u012bdzek\u013ci nav pieejami uzl\u0101dei.<\/p>\n\n  <h2>Praktisks process vietnes jaudas nov\u0113rt\u0113\u0161anai<\/h2>\n\n  <div class=\"evb-step\">\n    <div class=\"evb-step-num\">1<\/div>\n    <div class=\"evb-step-content\">\n      <h3>Izveidojiet transportl\u012bdzek\u013ca ener\u0123ijas grafiku<\/h3>\n      <p>Katrai transportl\u012bdzek\u013ca klasei re\u0123istr\u0113jiet iera\u0161an\u0101s laiku, atie\u0161anas laiku, uzl\u0101des st\u0101vokli iera\u0161an\u0101s br\u012bd\u012b, m\u0113r\u0137a uzl\u0101des st\u0101vokli, izmantojamo akumulatora ietilp\u012bbu, norm\u0101l\u0101 mar\u0161ruta ener\u0123iju, maksim\u0101lo l\u012bdzstr\u0101vas pie\u0146em\u0161anu un minim\u0101lo ekspluat\u0101cijas rezervi. Izmantojiet reprezentat\u012bvas ekspluat\u0101cijas dienas, ne tikai gada viegl\u0101ko dienu.<\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"evb-step\">\n    <div class=\"evb-step-num\">2<\/div>\n    <div class=\"evb-step-content\">\n      <h3>Izm\u0113riet eso\u0161\u0101s iek\u0101rtas slodzi<\/h3>\n      <p>Ieg\u016bstiet interv\u0101lu skait\u012bt\u0101ju datus, kas aptver norm\u0101lu ra\u017eo\u0161anu, sezonas maksimumu, ned\u0113\u013cas nogales un stundas, kad transportl\u012bdzek\u013ci tiks uzl\u0101d\u0113ti. M\u0113ne\u0161a komun\u0101lo pakalpojumu r\u0113\u0137ins, kur\u0101 redzams tikai maksim\u0101lais piepras\u012bjums, neatspogu\u013co, k\u0101 \u0113kas slodze p\u0101rkl\u0101jas ar uzl\u0101di.<\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"evb-step\">\n    <div class=\"evb-step-num\">3<\/div>\n    <div class=\"evb-step-content\">\n      <h3>Mode\u013ca l\u0101d\u0113t\u0101js un transportl\u012bdzek\u013ca darb\u012bba<\/h3>\n      <p>Lietojiet re\u0101lu uzl\u0101des stacijas konfigur\u0101ciju, savienot\u0101ju koplieto\u0161anu, efektivit\u0101ti, transportl\u012bdzek\u013cu uzl\u0101des l\u012bknes un paredzamo sesiju p\u0101rkl\u0101\u0161anos. P\u0101rbaudiet norm\u0101lu darb\u012bbu, liela piepras\u012bjuma dienu, aizkav\u0113tu iera\u0161anos, zemas temperat\u016bras pie\u0146em\u0161anu un iek\u0101rtu darb\u012bbas p\u0101rtraukuma scen\u0101rijus.<\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"evb-step\">\n    <div class=\"evb-step-num\">4<\/div>\n    <div class=\"evb-step-content\">\n      <h3>Iestatiet apstiprin\u0101tu vietnes jaudas griestus<\/h3>\n      <p>Sadarbojieties ar komun\u0101lo pakalpojumu sniedz\u0113ju un elektroin\u017eenieri, lai noteiktu pieejamo piesl\u0113guma jaudu un visus importa vai eksporta ierobe\u017eojumus. Maksim\u0101lajai jaudai j\u0101aptver visa teritorija, ne tikai uzl\u0101des stacijas. Ar\u012b Alternat\u012bvo degvielu datu centrs iesaka laikus sazin\u0101ties ar komun\u0101lo pakalpojumu sniedz\u0113ju, lai apstiprin\u0101tu tuv\u0101k\u0101 un ilgtermi\u0146a uzl\u0101des pras\u012bbas, cenas un visus nepiecie\u0161amos pakalpojumu uzlabojumus.<sup><a href=\"https:\/\/afdc.energy.gov\/fuels\/electricity-infrastructure-development\">[5]<\/a><\/sup><\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"evb-step\">\n    <div class=\"evb-step-num\">5<\/div>\n    <div class=\"evb-step-content\">\n      <h3>Testa kontroles un infrastrukt\u016bras iesp\u0113jas<\/h3>\n      <p>Sal\u012bdziniet nep\u0101rvald\u012btu uzl\u0101di, p\u0101rvald\u012btu uzl\u0101di, transformatoru papla\u0161in\u0101\u0161anu, pak\u0101penisku uzl\u0101des ier\u012b\u010du izvieto\u0161anu, saules ener\u0123ijas ra\u017eo\u0161anu un BESS atbalstu. Nov\u0113rt\u0113jiet, vai katra opcija joproj\u0101m atbilst transportl\u012bdzek\u013cu atie\u0161anas pras\u012bb\u0101m un pie\u0146emamiem rindas laikiem.<\/p>\n    <\/div>\n  <\/div>\n\n  <h2>L\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des vietu skr\u012bninga vien\u0101dojumi<\/h2>\n\n  <p>\u0160ie vien\u0101dojumi ir noder\u012bgi priek\u0161izp\u0113tes veik\u0161anai. Tie neaizst\u0101j gal\u012bgo elektroinstal\u0101cijas izp\u0113ti, aizsardz\u012bbas koordin\u0101ciju, harmoniku p\u0101rskatu, termisko nov\u0113rt\u0113jumu, komun\u0101lo pakalpojumu apstiprin\u0101jumu vai atbilst\u012bbu viet\u0113jiem noteikumiem.<\/p>\n\n  <div class=\"evb-formula\"><strong>Vietnes re\u017e\u0123a import\u0113\u0161ana<\/strong> = objekta slodze + l\u0101d\u0113t\u0101ja mai\u0146str\u0101vas ieeja + objekta pal\u012bgier\u012bces \u2013 izmantot\u0101 objekt\u0101 \u0123ener\u0113t\u0101 str\u0101va \u2013 BESS mai\u0146str\u0101vas izl\u0101de<\/div>\n\n  <div class=\"evb-formula\"><strong>Pieejam\u0101 uzl\u0101des vieta aug\u0161pus\u0113<\/strong> = apstiprin\u0101t\u0101 objekta importa maksim\u0101l\u0101 slodze \u2013 vienlaic\u012bga objekta slodze \u2013 citas jaunas elektrisk\u0101s slodzes<\/div>\n\n  <div class=\"evb-formula\"><strong>Transformatora s\u0101kotn\u0113j\u0101 \u0161\u0137ietam\u0101 jauda<\/strong> = paredzam\u0101 sakrito\u0161\u0101 re\u0101l\u0101 jauda \u00f7 paredzamais jaudas koeficients<\/div>\n\n  <p>P\u0113c tam transformatora apr\u0113\u0137ins ir j\u0101p\u0101rskata, \u0146emot v\u0113r\u0101 faktisko spriegumu, slodzes politiku, apk\u0101rt\u0113j\u0101s vides temperat\u016bru, korpusu un ventil\u0101ciju, augstumu virs j\u016bras l\u012bme\u0146a, harmonikas, l\u0101d\u0113t\u0101ja iesl\u0113g\u0161an\u0101s uzved\u012bbu, redundanci, aizsardz\u012bbu, komun\u0101lo pakalpojumu praksi un turpm\u0101ko slodzi. Ener\u0123\u0113tikas departamenta EVI-LOCATE vadl\u012bnijas l\u012bdz\u012bgi l\u016bdz projekta komand\u0101m nov\u0113rt\u0113t transformatora jaudas nomin\u0101lv\u0113rt\u012bbu, sekund\u0101ro spriegumu, jaudas koeficientu, slodzes ierobe\u017eojumu un izm\u0113r\u012bto eso\u0161o maksim\u0101lo piepras\u012bjumu.<sup><a href=\"https:\/\/www.energy.gov\/cmei\/femp\/articles\/evi-locate-step-step\">[2]<\/a><\/sup><\/p>\n\n  <h2>Praktisks piem\u0113rs: \u010detri 240 kW l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des staciju mode\u013ci<\/h2>\n\n  <p>Apsveriet komerci\u0101lu objektu, kur\u0101 pl\u0101noti \u010detri 240 kW l\u012bdzstr\u0101vas uzl\u0101des staciju. Zem\u0101k redzamais piem\u0113rs demonstr\u0113 apr\u0113\u0137ina lo\u0123iku. Tas nav ieteikums citam projektam.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>Ievades piem\u0113rs<\/th><th>Pie\u0146\u0113mums<\/th><th>Noz\u012bme<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>Uzst\u0101d\u012btie l\u0101d\u0113t\u0101ji<\/strong><\/td><td>4 x 240 kW<\/td><td>960 kW agreg\u0101tu uzl\u0101des ier\u012bces datu pl\u0101ksn\u012bte.<\/td><\/tr>\n      <tr><td><strong>Model\u0113ta agreg\u0101ta l\u0101d\u0113t\u0101ja mai\u0146str\u0101vas ieejas griesti<\/strong><\/td><td>700 kW<\/td><td>Visas vietas kontroles m\u0113r\u0137is, pamatojoties uz pie\u0146emto transportl\u012bdzek\u013ca grafiku, uzl\u0101des ier\u012bces efektivit\u0101ti un pie\u0146emamu jaudas koplieto\u0161anu. Pieejam\u0101 l\u012bdzstr\u0101vas izejas jauda b\u016bs maz\u0101ka p\u0113c p\u0101rveido\u0161anas un papildu zudumiem.<\/td><\/tr>\n      <tr><td><strong>Vienlaic\u012bga telpas noslodze<\/strong><\/td><td>250 kW<\/td><td>Izm\u0113r\u012bts vai model\u0113ts \u0113kas piepras\u012bjums uzl\u0101des maksimuma laik\u0101.<\/td><\/tr>\n      <tr><td><strong>Vietnes import\u0113\u0161anas ierobe\u017eojums<\/strong><\/td><td>800 kW<\/td><td>Vis\u0101 objekt\u0101 saska\u0146ot\u0101s maksim\u0101l\u0101s robe\u017ev\u0113rt\u012bbas piem\u0113rs darb\u012bbas scen\u0101rijam.<\/td><\/tr>\n      <tr><td><strong>BESS ieguld\u012bjums<\/strong><\/td><td>200 kW mai\u0146str\u0101va 60 min\u016btes<\/td><td>Piem\u0113rs maksim\u0101l\u0101s slodzes dispe\u010deram, pie\u0146emot pietiekamu uzl\u0101des l\u012bmeni un at\u013cautos darb\u012bbas ierobe\u017eojumus.<\/td><\/tr>\n      <tr><td><strong>Saules ener\u0123ijas ieguld\u012bjums<\/strong><\/td><td>0 kW konservat\u012bv\u0101 maksimuma gad\u012bjum\u0101<\/td><td>Nov\u0113r\u0161 konstrukcijas atkar\u012bbu no nenoteiktas saules ener\u0123ijas ra\u017eo\u0161anas model\u0113t\u0101 maksimuma laik\u0101.<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <h3>A scen\u0101rijs: Nav BESS atbalsta<\/h3>\n\n  <div class=\"evb-formula\">250 kW iek\u0101rtas slodze + 700 kW uzl\u0101des ier\u012bces ieeja = <strong>950 kW t\u012bkla imports<\/strong><\/div>\n\n  <p>Rezult\u0101ts par 150 kW p\u0101rsniedz piem\u0113r\u0101 nor\u0101d\u012bto 800 kW importa griestu. Operators \u0161\u0101dos apst\u0101k\u013cos nevar vienk\u0101r\u0161i at\u013caut model\u0113to 700 kW kop\u0113jo mai\u0146str\u0101vas ievadi. Projektam ir j\u0101samazina vienlaic\u012bg\u0101 uzl\u0101des ier\u012bces jauda, izmantojot pas\u016bt\u012bto objekta kontrolieri, j\u0101p\u0101rvieto elast\u012bg\u0101s sesijas, j\u0101samazina citas objekta slodze, j\u0101palielina apstiprin\u0101tais savienojums vai j\u0101ievie\u0161 cits valid\u0113ts vad\u012bbas resurss.<\/p>\n\n  <h3>B scen\u0101rijs: 200 kW BESS maksim\u0101l\u0101s jaudas atbalsts<\/h3>\n\n  <div class=\"evb-formula\">250 kW iek\u0101rtas slodze + 700 kW uzl\u0101des ier\u012bces ieeja \u2013 200 kW BESS izl\u0101de = <strong>750 kW t\u012bkla imports<\/strong><\/div>\n\n  <p>Model\u0113t\u0101s stundas laik\u0101 \u0161aj\u0101 piem\u0113r\u0101 ener\u0123ijas pat\u0113ri\u0146\u0161 ir par 50 kW zem\u0101ks par importa griestiem. 200 kW mai\u0146str\u0101vas izl\u0101de 60 min\u016btes mai\u0146str\u0101vas kopn\u0113 pieg\u0101d\u0101 200 kWh. Akumulatoram ir nepiecie\u0161ama liel\u0101ka nomin\u0101l\u0101 uzkr\u0101t\u0101 ener\u0123ija nek\u0101 200 kWh, jo projektam j\u0101\u0146em v\u0113r\u0101 uzl\u0101des st\u0101vok\u013ca rezerve, at\u013cautais izmantojamais logs, konversijas zudumi, temperat\u016bra, degrad\u0101cijas pielaide un citi BESS m\u0113r\u0137i.<\/p>\n\n  <h3>Kas notiek, ja akumulators nav pieejams?<\/h3>\n\n  <p>Vietnei nevajadz\u0113tu p\u0101rsniegt importa ierobe\u017eojumu tikai t\u0101p\u0113c, ka BESS nav pieejams. Defin\u0113ts rezerves risin\u0101jums var\u0113tu ierobe\u017eot kop\u0113jo l\u0101d\u0113t\u0101ja mai\u0146str\u0101vas ieejas jaudu pie:<\/p>\n\n  <div class=\"evb-formula\">800 kW objekta ierobe\u017eojums \u2013 250 kW iek\u0101rtas slodze = <strong>550 kW uzl\u0101des br\u012bv\u0101 vieta<\/strong><\/div>\n\n  <p>\u0160aj\u0101 vienk\u0101r\u0161otaj\u0101 gad\u012bjum\u0101 uzl\u0101des stacijas \u012bslaic\u012bgi koplietotu ne vair\u0101k k\u0101 pieejamos 550 kW. Tas, vai \u0161\u012b samazin\u0101t\u0101 jauda joproj\u0101m atbilst transportl\u012bdzek\u013cu atie\u0161anas laikam, ir j\u0101p\u0101rbauda grafika model\u012b. Ja tas t\u0101 nav, projektam ir nepiecie\u0161ama liel\u0101ka piesl\u0113guma jauda, da\u017e\u0101di uzl\u0101des logi, papildu darb\u012bbas elast\u012bba vai cits infrastrukt\u016bras projekts.<\/p>\n\n  <div class=\"evb-callout\">\n    <strong>Piem\u0113ra rezult\u0101ts<\/strong>\n    <p>\u010cetr\u0101m 240 kW uzl\u0101des stacij\u0101m autom\u0101tiski nav nepiecie\u0161ama 960 kW nep\u0101rtrauktas t\u012bkla jaudas, ta\u010du projekt\u0101 nevar pie\u0146emt ar\u012b patva\u013c\u012bgi zemu sakrit\u012bbas koeficientu. Praktiski izmantojam\u0101 t\u012bkla pras\u012bba izriet no transportl\u012bdzek\u013cu grafika, iek\u0101rtu slodzes, uzl\u0101des staciju vad\u012bbas m\u0113r\u0137a, apstiprin\u0101t\u0101 importa griestu skaita un jebk\u0101da BESS atbalsta pieejam\u012bbas. Rezerves re\u017e\u012bms ir da\u013ca no projekta, nevis v\u0113l\u0101ka apsv\u0113ruma.<\/p>\n  <\/div>\n\n  <h2>K\u0101 tuvoties transformatora izm\u0113riem<\/h2>\n\n  <p>Transformatoram j\u0101apkalpo vienlaic\u012bg\u0101 mai\u0146str\u0101vas slodze saska\u0146\u0101 ar piem\u0113rojamajiem projekt\u0113\u0161anas nosac\u012bjumiem. L\u0101d\u0113t\u0101ja datu pl\u0101ksn\u012bt\u0113 nor\u0101d\u012bt\u0101 kop\u0113j\u0101 v\u0113rt\u012bba ir viena ievades v\u0113rt\u012bba, ta\u010du projekt\u0101 j\u0101\u0146em v\u0113r\u0101 ar\u012b eso\u0161\u0101 iek\u0101rtas piepras\u012bjuma apjoms, pl\u0101not\u0101s jaudas maksim\u0101l\u0101s v\u0113rt\u012bbas, jaudas koeficients, harmonikas, apk\u0101rt\u0113j\u0101s vides apst\u0101k\u013ci, redundance un turpm\u0101k\u0101 papla\u0161in\u0101\u0161an\u0101s.<\/p>\n\n  <p>Pirms transformatora izv\u0113les p\u0101rliecinieties, ka:<\/p>\n  <ul>\n    <li>Vai uzl\u0101des ier\u012bces izmanto atsevi\u0161\u0137u transformatoru vai koplieto eso\u0161u pakalpojumu.<\/li>\n    <li>Darba spriegums un l\u0101d\u0113t\u0101ja at\u013cautais mai\u0146str\u0101vas ieejas diapazons.<\/li>\n    <li>Izm\u0113r\u012bt\u0101 maksim\u0101l\u0101 un interv\u0101la slodze uz eso\u0161o transformatoru.<\/li>\n    <li>Komun\u0101luz\u0146\u0113muma slodzes krit\u0113riji un atbild\u012bba par transformatora \u012bpa\u0161umties\u012bb\u0101m.<\/li>\n    <li>Pieg\u0101d\u0101t\u0101 l\u0101d\u0113t\u0101ja mode\u013ca jaudas koeficients un harmonisk\u0101s \u012bpa\u0161\u012bbas.<\/li>\n    <li>Apk\u0101rt\u0113j\u0101s vides temperat\u016bra, augstums virs j\u016bras l\u012bme\u0146a, ventil\u0101cija, akustisk\u0101s robe\u017eas un korpusa apst\u0101k\u013ci.<\/li>\n    <li>Nepiecie\u0161am\u0101 redundance un viena transformatora vai padev\u0113ja nepieejam\u012bbas ietekme.<\/li>\n    <li>Papla\u0161in\u0101\u0161anas pl\u0101ni papildu uzl\u0101des stacij\u0101m, \u0113k\u0101m, saules baterij\u0101m vai uzglab\u0101\u0161anas viet\u0101m.<\/li>\n  <\/ul>\n\n  <div class=\"evb-warning\"><strong>Univers\u0101la transformatora attiec\u012bba nepast\u0101v.<\/strong> T\u0101di noteikumi k\u0101 \u201cl\u0101d\u0113t\u0101ja kW plus 20%\u201d vai \u201ckop\u0113j\u0101 l\u0101d\u0113t\u0101ja jauda, kas reizin\u0101ta ar vienu standarta da\u017e\u0101d\u012bbas koeficientu\u201d, var neizdoties, ja at\u0161\u0137iras \u0113kas slodze, divu savienot\u0101ju koplieto\u0161ana, harmonikas, lietder\u012bbas krit\u0113riji, temperat\u016bra vai autoparka grafiks. Izmantojiet tos tikai k\u0101 apz\u012bm\u0113tus provizoriskus scen\u0101rijus, nekad k\u0101 gal\u012bgo iek\u0101rtu izv\u0113li.<\/div>\n\n  <h2>Ko dinamisk\u0101 slodzes p\u0101rvald\u012bba var un ko nevar dar\u012bt<\/h2>\n\n  <p>Dinamisk\u0101 slodzes p\u0101rvald\u012bba uzrauga pieejamo objekta jaudu un piel\u0101go uzl\u0101des stacijas jaudas komandas, lai visa iek\u0101rta atbilstu noteiktaj\u0101m mai\u0146str\u0101vas importa robe\u017ev\u0113rt\u012bb\u0101m. Atkar\u012bb\u0101 no sist\u0113mas konstrukcijas t\u0101 var pie\u0161\u0137irt jaudu p\u0113c savienot\u0101ja, stacijas, transportl\u012bdzek\u013ca priorit\u0101tes, atie\u0161anas laika, lietot\u0101ju grupas vai vienl\u012bdz\u012bgas sadales. Faktisk\u0101 mai\u0146str\u0101vas ieeja ir atkar\u012bga no uzl\u0101des stacijas efektivit\u0101tes, pal\u012bgier\u012bc\u0113m un ekspluat\u0101cijas apst\u0101k\u013ciem.<\/p>\n\n  <p>ASV Ener\u0123\u0113tikas departaments p\u0101rvald\u012bto uzl\u0101di raksturo k\u0101 adapt\u012bvu uzl\u0101di, kas \u0146em v\u0113r\u0101 transportl\u012bdzek\u013cu ener\u0123ijas vajadz\u012bbas un kontroles m\u0113r\u0137us. T\u0101 var samazin\u0101t nevajadz\u012bgus elektriskos uzlabojumus, efekt\u012bv\u0101k izmantot viet\u0113jo ra\u017eo\u0161anu, samazin\u0101t ener\u0123ijas izmaksas un nodro\u0161in\u0101t, ka autoparka transportl\u012bdzek\u013ci ir gatavi, kad tas nepiecie\u0161ams.<sup><a href=\"https:\/\/www.energy.gov\/cmei\/femp\/managed-and-bidirectional-charging\">[3]<\/a><\/sup><\/p>\n\n  <p>Slodzes p\u0101rvald\u012bba var:<\/p>\n  <ul>\n    <li>Ne\u013caut l\u0101d\u0113t\u0101jiem p\u0101rsniegt konfigur\u0113to importa ierobe\u017eojumu vis\u0101 vietn\u0113.<\/li>\n    <li>Dodiet priek\u0161roku transportl\u012bdzek\u013ciem ar priek\u0161laic\u012bgu atie\u0161anu vai zemu uzl\u0101des l\u012bmeni.<\/li>\n    <li>Koplietojiet ierobe\u017eotu jaudas bud\u017eetu starp vair\u0101kiem savienot\u0101jiem.<\/li>\n    <li>Samaziniet uzl\u0101des l\u012bmeni iek\u0101rtas maksim\u0101l\u0101s noslodzes laik\u0101 un atjaunojiet to v\u0113l\u0101k.<\/li>\n    <li>Koordin\u0113jiet uzl\u0101di ar saules ener\u0123ijas ra\u017eo\u0161anu un BESS dispe\u010deru.<\/li>\n  <\/ul>\n\n  <p>Slodzes p\u0101rvald\u012bba nevar:<\/p>\n  <ul>\n    <li>Rad\u012bt papildu ener\u0123iju, ja transportl\u012bdzek\u013ci nepaliek piesl\u0113gti pietiekami ilgi.<\/li>\n    <li>Palieliniet transportl\u012bdzek\u013ca uzl\u0101des uztver\u0161anas sp\u0113ju virs t\u0101 tehnisk\u0101s robe\u017eas.<\/li>\n    <li>Kompens\u0113jiet nepietiekami lielu savienojumu, kad katram transportl\u012bdzeklim ir nepiecie\u0161ama t\u016bl\u012bt\u0113ja pilna jauda.<\/li>\n    <li>Nomainiet sadales iek\u0101rtas, kabe\u013cus, aizsardz\u012bbas, termisk\u0101s un lietder\u012bbas p\u0113t\u012bjumus.<\/li>\n    <li>Garant\u0113t transportl\u012bdzek\u013ca gatav\u012bbu bez pareiziem grafikiem, uzticamu sazi\u0146u un dro\u0161u rezerves re\u017e\u012bmu.<\/li>\n  <\/ul>\n\n  <p>EVB <a href=\"https:\/\/www.evb.com\/lv\/ev-charging-management-software-guide\/\">EV uzl\u0101des p\u0101rvald\u012bbas programmat\u016bras rokasgr\u0101mata<\/a> paskaidro, k\u0101 uzl\u0101des iek\u0101rtu uzraudz\u012bba, piek\u013cuves kontrole, OCPP komunik\u0101cija, tarifi un slodzes p\u0101rvald\u012bba ir savstarp\u0113ji saist\u012btas. OCPP var atbalst\u012bt vied\u0101s uzl\u0101des profilus, ta\u010du projektam ir j\u0101p\u0101rbauda pieg\u0101d\u0101t\u0101s uzl\u0101des iek\u0101rtu un p\u0101rvald\u012bbas sist\u0113mas prec\u012bz\u0101s sertific\u0113t\u0101s funkcijas un integr\u0101cija. Open Charge Alliance nor\u0101da viedo uzl\u0101di k\u0101 sertifik\u0101cijas profilu OCPP 2.0.1 ietvaros.<sup><a href=\"https:\/\/openchargealliance.org\/ocpp-2-0-1-full-certification-is-now-available\/\">[4]<\/a><\/sup><\/p>\n\n  <figure class=\"evb-figure\">\n    <img decoding=\"async\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/04\/EVB-DC-EV-Charger.webp\" alt=\"EVB komerci\u0101lo l\u012bdzstr\u0101vas l\u0101d\u0113t\u0101ju produktu kl\u0101sts\" loading=\"lazy\">\n    <figcaption>L\u0101d\u0113t\u0101ja daudzums un maksim\u0101l\u0101 jauda j\u0101izv\u0113las, \u0146emot v\u0113r\u0101 transportl\u012bdzek\u013cus, darb\u012bbas logus, objekta ietilp\u012bbu, aizmugursist\u0113mas funkcijas un papla\u0161in\u0101\u0161anas pl\u0101nus.<\/figcaption>\n  <\/figure>\n\n  <h2>Kad akumulatora uzglab\u0101\u0161ana ir j\u0113gpilna elektrotransportl\u012bdzek\u013cu uzl\u0101des viet\u0101<\/h2>\n\n  <p>BESS var b\u016bt v\u0113rt\u012bgs, ja uzl\u0101des maksimums ir augst\u0101ks par praktisko importa m\u0113r\u0137i, ja saules ener\u0123ija ir pieejama cit\u0101 laik\u0101 nek\u0101 transportl\u012bdzek\u013cu uzl\u0101de vai ja piesl\u0113guma papla\u0161in\u0101\u0161ana ir d\u0101rga vai l\u0113na. T\u0101 v\u0113rt\u012bba ir atkar\u012bga gan no jaudas, gan ener\u0123ijas.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>BESS jaut\u0101jums<\/th><th>K\u0101p\u0113c tas ir svar\u012bgi<\/th><th>Nepiecie\u0161ami pier\u0101d\u012bjumi<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>Cik kW?<\/strong><\/td><td>Nosaka, cik lielu da\u013cu no uzl\u0101des maksimuma BESS var kompens\u0113t vien\u0101 br\u012bd\u012b.<\/td><td>Laikrindas starp\u012bba starp v\u0113lamo uzl\u0101des slodzi un at\u013cauto t\u012bkla importu.<\/td><\/tr>\n      <tr><td><strong>Cik kWh?<\/strong><\/td><td>Nosaka, cik ilgi var uztur\u0113t nepiecie\u0161amo izl\u0101di.<\/td><td>Maksim\u0101lais ilgums, izmantojamais SoC logs, efektivit\u0101te, rezerve un degrad\u0101cijas pie\u0146\u0113mumi.<\/td><\/tr>\n      <tr><td><strong>Kad to var uzl\u0101d\u0113t?<\/strong><\/td><td>Akumulators nevar uztur\u0113t n\u0101kamo maksimumu, ja tas nav atguvis pietiekamu uzl\u0101des l\u012bmeni.<\/td><td>Re\u017e\u0123a rezerve, saules profils, tarifu logs un atk\u0101rtota ikdienas darb\u012bbas sec\u012bba.<\/td><\/tr>\n      <tr><td><strong>Ko dar\u012bt, ja tas nav pieejams?<\/strong><\/td><td>Vietnei joproj\u0101m ir nepiecie\u0161ams dro\u0161ais re\u017e\u012bms, kas iev\u0113ro t\u0101s re\u017e\u0123a ierobe\u017eojumu.<\/td><td>Rezerves uzl\u0101des ier\u012bces maksim\u0101l\u0101 slodze, trauksmes sign\u0101lu apstr\u0101de un operat\u012bv\u0101 rea\u0123\u0113\u0161ana.<\/td><\/tr>\n      <tr><td><strong>Kas v\u0113l tam j\u0101dara?<\/strong><\/td><td>Rezerves rezerve vai tarifu optimiz\u0101cija var konkur\u0113t ar maksas atbalstu.<\/td><td>Skaidras EMS priorit\u0101tes un rezerv\u0113t\u0101 akumulatora ietilp\u012bba.<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <p>BESS izm\u0113ru nevajadz\u0113tu noteikt, pamatojoties tikai uz starp\u012bbu starp uzl\u0101des ier\u012bces datu pl\u0101ksn\u012bti un t\u012bkla jaudu. Projektam ir nepiecie\u0161ams hronolo\u0123isks modelis, kas par\u0101da, kad ierodas transportl\u012bdzek\u013ci, k\u0101 samazin\u0101s uzl\u0101de, cik ilgi ilgst maksimuma periods, k\u0101 main\u0101s iek\u0101rtas slodze, kad akumulators var uzl\u0101d\u0113ties un cik bie\u017ei darb\u012bbas cikls atk\u0101rtojas.<\/p>\n\n  <p>EVB <a href=\"https:\/\/www.evb.com\/lv\/energy-storage-for-ev-charging\/\">Ener\u0123ijas uzkr\u0101\u0161ana EV uzl\u0101des risin\u0101jumam<\/a> apvieno uzl\u0101di, saules ener\u0123ijas ra\u017eo\u0161anu, akumulatora uzglab\u0101\u0161anu un kontroli objekta l\u012bmen\u012b. Pareiz\u0101 konfigur\u0101cija paliek projektam specifiska.<\/p>\n\n  <figure class=\"evb-figure\">\n    <img decoding=\"async\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/05\/Energy-Storage-for-EV-Charging-and-PV-ESS-EV-Solutions-1.webp\" alt=\"Integr\u0113ts uzl\u0101des, saules ener\u0123ijas un akumulatora uzglab\u0101\u0161anas risin\u0101jums\" loading=\"lazy\">\n    <figcaption>Saules un akumulatoru ener\u0123ijas uzkr\u0101\u0161ana var atbalst\u012bt uzl\u0101des punktu, ja to re\u0101llaika jauda, pieejam\u0101 ener\u0123ija, vad\u012bbas priorit\u0101tes un rezerves re\u017e\u012bmi ir izstr\u0101d\u0101ti kop\u0101.<\/figcaption>\n  <\/figure>\n\n  <h2>Kad t\u012bkla moderniz\u0101cija joproj\u0101m ir lab\u0101k\u0101 izv\u0113le<\/h2>\n\n  <p>Uzglab\u0101\u0161ana un p\u0101rvald\u012bta uzl\u0101de ne vienm\u0113r ir lab\u0101kas par transformatoru vai pakalpojuma moderniz\u0101ciju. T\u012bkla moderniz\u0101cija var b\u016bt piem\u0113rot\u0101ka, ja:<\/p>\n  <ul>\n    <li>Daudziem transportl\u012bdzek\u013ciem vienlaikus ir nepiecie\u0161ama liela jauda ar nelielu grafika elast\u012bbu.<\/li>\n    <li>Uzl\u0101des maksimums ir p\u0101r\u0101k ilgs, lai nodro\u0161in\u0101tu praktisku BESS ener\u0123ijas ietilp\u012bbu.<\/li>\n    <li>Akumulators darbotos intens\u012bvi bez pietiekamas ekonomisk\u0101s v\u0113rt\u012bbas.<\/li>\n    <li>N\u0101kotnes l\u0101d\u0113t\u0101ju papla\u0161in\u0101\u0161ana \u0101tri p\u0101rsniegtu kontrol\u0113t\u0101 dizaina iesp\u0113jas.<\/li>\n    <li>Komun\u0101lpakalpojumu sniedz\u0113js var nodro\u0161in\u0101t papildu jaudu par pie\u0146emam\u0101m izmaks\u0101m un laika grafiku.<\/li>\n    <li>Darb\u012bbas vienk\u0101r\u0161\u012bba un augsta uzl\u0101des ier\u012b\u010du pieejam\u012bba ir svar\u012bg\u0101ka par piesl\u0113guma jaudas ierobe\u017eo\u0161anu.<\/li>\n  <\/ul>\n\n  <p>Sp\u0113c\u012bg\u0101k\u0101 iesp\u0113ja var b\u016bt ar\u012b hibr\u012bds: pareiza izm\u0113ra t\u012bkla moderniz\u0101cija apvienojum\u0101 ar dinamisko slodzes p\u0101rvald\u012bbu un maz\u0101ku BESS. Alternat\u012bvas j\u0101sal\u012bdzina, izmantojot to pa\u0161u transportl\u012bdzek\u013cu grafiku, iek\u0101rtas slodzi, komun\u0101lo pakalpojumu tarifu, uzticam\u012bbas pras\u012bbu un pl\u0101no\u0161anas horizontu.<\/p>\n\n  <h2>Dati, kas EVB nepiecie\u0161ami pirms l\u0101d\u0113t\u0101ja daudzuma un jaudas ieteik\u0161anas<\/h2>\n\n  <div class=\"evb-checklist\"><ol>\n    <li>Transportl\u012bdzek\u013ca marka, modelis, savienot\u0101ja standarts, akumulatora ietilp\u012bba un maksim\u0101l\u0101 uzl\u0101des l\u012bkne.<\/li>\n    <li>Transportl\u012bdzek\u013cu skaits \u0161odien un paredzamais autoparka lielums pl\u0101no\u0161anas period\u0101.<\/li>\n    <li>Katras transportl\u012bdzek\u013cu grupas iera\u0161an\u0101s un atie\u0161anas grafiks.<\/li>\n    <li>Katram transportl\u012bdzeklim papildin\u0101m\u0101 ener\u0123ija un minim\u0101lais uzl\u0101des l\u012bmenis izbrauk\u0161anas br\u012bd\u012b.<\/li>\n    <li>Paredz\u0113tas vienlaic\u012bgas sesijas un pie\u0146emams gaid\u012b\u0161anas laiks.<\/li>\n    <li>Vismaz reprezentat\u012bvi interv\u0101la dati par iek\u0101rtas eso\u0161o elektrisko slodzi.<\/li>\n    <li>Transformatora nomin\u0101lv\u0113rt\u012bba, spriegums, izm\u0113r\u012bt\u0101 slodze, apkalpo\u0161anas pane\u013ca jauda un vienl\u012bnijas diagramma.<\/li>\n    <li>Komun\u0101lo pakalpojumu piesl\u0113guma limits, tarifs, piepras\u012bjuma maksas un pl\u0101not\u0101s t\u012bkla izmai\u0146as.<\/li>\n    <li>Pieejamais autost\u0101vvietu izk\u0101rtojums, kabe\u013cu mar\u0161ruti, iek\u0101rtu att\u0101lumi un vides apst\u0101k\u013ci.<\/li>\n    <li>Saules ener\u0123ijas ra\u017eo\u0161anas profils un pl\u0101not\u0101 fotoelektrisko iek\u0101rtu papla\u0161in\u0101\u0161ana, ja piem\u0113rojams.<\/li>\n    <li>BESS m\u0113r\u0137is, izl\u0101des jaudas m\u0113r\u0137is, ilgums, rezerves pras\u012bbas un uzl\u0101des logs.<\/li>\n    <li>Aizmugursist\u0113mas, OCPP, autentifik\u0101cijas, maks\u0101jumu, m\u0113r\u012b\u0161anas, p\u0101rskatu snieg\u0161anas un att\u0101lin\u0101to pakalpojumu pras\u012bbas.<\/li>\n    <li>Viet\u0113j\u0101s sertifik\u0101cijas, at\u013cauju sa\u0146em\u0161anas, pieejam\u012bbas, lietder\u012bbas un uzst\u0101d\u012b\u0161anas pras\u012bbas.<\/li>\n    <li>Nepiecie\u0161amais darbsp\u0113jas laiks, redundance, apkopes rea\u0123\u0113\u0161ana un rezerves da\u013cu strat\u0113\u0123ija.<\/li>\n  <\/ol><\/div>\n\n  <h2>Bie\u017ei pie\u013cautas ener\u0123ijas pl\u0101no\u0161anas k\u013c\u016bdas<\/h2>\n\n  <ul>\n    <li><strong>Izm\u0113ru noteik\u0161ana tikai no l\u0101d\u0113t\u0101ja datu pl\u0101ksn\u012bt\u0113m:<\/strong> Tas var p\u0101rsp\u012bl\u0113t re\u0101listisku piepras\u012bjumu vai sl\u0113pt \u012bstermi\u0146a piepras\u012bjuma maksimumu.<\/li>\n    <li><strong>Izmantojot ikm\u0113ne\u0161a r\u0113\u0137inus interv\u0101lu datu viet\u0101:<\/strong> Projekts nevar paredz\u0113t, kad iek\u0101rtu piepras\u012bjums p\u0101rkl\u0101jas ar transportl\u012bdzek\u013cu uzl\u0101des piepras\u012bjumu.<\/li>\n    <li><strong>Transportl\u012bdzek\u013ca uzl\u0101des l\u012bk\u0146u ignor\u0113\u0161ana:<\/strong> L\u0101d\u0113t\u0101ja v\u0113rt\u0113jums vien neraksturo sesijas laik\u0101 pieg\u0101d\u0101to jaudu.<\/li>\n    <li><strong>Piem\u0113rojot vienu sakrit\u012bbas faktoru katrai vietnei:<\/strong> Publiskajiem mezgliem un regul\u0101rajiem depo ir at\u0161\u0137ir\u012bga nenoteikt\u012bba.<\/li>\n    <li><strong>BESS kWh apstr\u0101de k\u0101 BESS kW:<\/strong> Ener\u0123ijas ietilp\u012bba nepier\u0101da, ka akumulators sp\u0113j nodro\u0161in\u0101t nepiecie\u0161amo moment\u0101no jaudu.<\/li>\n    <li><strong>Atkar\u012bb\u0101 no saules ener\u0123ijas projekt\u0113\u0161anas maksimuma laik\u0101:<\/strong> Saules ener\u0123ijas jauda var b\u016bt zema, kad notiek uzl\u0101des maksimums.<\/li>\n    <li><strong>Rezerves vad\u012bbas izlai\u0161ana:<\/strong> Vietnei ir nepiecie\u0161ama dro\u0161a uzl\u0101des stacija, ja BESS, skait\u012bt\u0101js, t\u012bkls vai EMS nav pieejams.<\/li>\n    <li><strong>Projekt\u0113\u0161ana tikai m\u016bsdienu autoparkam:<\/strong> V\u0113l\u0101ka papla\u0161in\u0101\u0161ana var pras\u012bt nov\u0113r\u0161amu tran\u0161eju rak\u0161anu, sadales iek\u0101rtu, transformatoru uzst\u0101d\u012b\u0161anu un civilo p\u0101rb\u016bvi.<\/li>\n    <li><strong>Aizmirstot l\u0101d\u0113t\u0101ja pal\u012bgier\u012bces un zudumus:<\/strong> Transportl\u012bdzek\u013ca izejas str\u0101va un mai\u0146str\u0101vas ieeja nav identiskas.<\/li>\n    <li><strong>Apr\u012bkojuma izv\u0113le pirms sazin\u0101\u0161an\u0101s ar komun\u0101lo pakalpojumu sniedz\u0113ju:<\/strong> Pieejam\u0101 jauda, spriegums, piesl\u0113guma laika grafiks un tarifi var main\u012bt arhitekt\u016bru.<\/li>\n  <\/ul>\n\n  <h2>K\u0101 EVB atbalsta komerci\u0101lus l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des projektus<\/h2>\n\n  <p>EVB atbalsta komerci\u0101lus un autoparka projektus ar lieljaudas l\u012bdzstr\u0101vas uzl\u0101des aparat\u016bru, divu savienot\u0101ju konfigur\u0101cij\u0101m, uzl\u0101des ier\u012b\u010du p\u0101rvald\u012bbu, uz OCPP balst\u012btu komunik\u0101ciju, dinamisko jaudas sadali, att\u0101lin\u0101tu uzraudz\u012bbu un integr\u0101ciju ar fotoelektrisko \u0123eneratoru un akumulatoru uzglab\u0101\u0161anu.<\/p>\n\n  <p>In\u017eeniertehniskajai sec\u012bbai j\u0101paliek disciplin\u0113tai:<\/p>\n  <ol>\n    <li>Defin\u0113jiet transportl\u012bdzek\u013cus, ener\u0123ijas pat\u0113ri\u0146u un darb\u012bbas grafiku.<\/li>\n    <li>Izm\u0113riet iek\u0101rtas slodzi un apstipriniet komun\u0101lo pakalpojumu jaudu.<\/li>\n    <li>Mode\u013ca l\u0101d\u0113t\u0101ja daudzums, nomin\u0101lv\u0113rt\u012bba un vienlaic\u012bga darb\u012bba.<\/li>\n    <li>Sal\u012bdziniet nep\u0101rvald\u012btus, p\u0101rvald\u012btus, t\u012bkla jaunin\u0101\u0161anas un BESS atbalst\u012btus scen\u0101rijus.<\/li>\n    <li>Izv\u0113lieties l\u0101d\u0113t\u0101ja un vad\u012bbas ier\u012bces konfigur\u0101ciju.<\/li>\n    <li>Piln\u012bga elektrotehnika, atbilst\u012bbas p\u0101rbaude, nodo\u0161ana ekspluat\u0101cij\u0101 un rezerves test\u0113\u0161ana.<\/li>\n  <\/ol>\n\n  <div class=\"evb-image-grid\">\n    <figure>\n      <img decoding=\"async\" class=\"evb-contain\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/07\/evb-360kw-dual-connector-dc-charger.webp\" alt=\"EVB divu savienot\u0101ju lieljaudas l\u012bdzstr\u0101vas l\u0101d\u0113t\u0101js\" loading=\"lazy\">\n      <figcaption>EVB divu savienot\u0101ju l\u012bdzstr\u0101vas platforma ir pieejama augstas jaudas konfigur\u0101cij\u0101s komerci\u0101liem uzl\u0101des projektiem.<\/figcaption>\n    <\/figure>\n    <figure>\n      <img decoding=\"async\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/07\/evb-dc-charger-in-operation-germany-1.webp\" alt=\"EVB uzl\u0101des stacija, kas darbojas komerci\u0101l\u0101 viet\u0101\" loading=\"lazy\">\n      <figcaption>Re\u0101lai instal\u0101cijai ir j\u0101saska\u0146o transportl\u012bdzek\u013cu piepras\u012bjums ar visas objekta elektriskajiem ierobe\u017eojumiem un darb\u012bbas priorit\u0101t\u0113m.<\/figcaption>\n    <\/figure>\n  <\/div>\n\n  <p>Lieljaudas projektiem pirc\u0113ji var p\u0101rskat\u012bt EVB <a href=\"https:\/\/www.evb.com\/lv\/product-item\/2-guns-liquid-cooled-dc-ev-fast-charger\/\">divu savienot\u0101ju \u0161\u0137idruma dzes\u0113\u0161anas l\u012bdzstr\u0101vas \u0101trais l\u0101d\u0113t\u0101js<\/a>Prec\u012bza jaudas v\u0113rt\u012bba, savienot\u0101ja konfigur\u0101cija, katra savienot\u0101ja str\u0101va, jaudas koplieto\u0161ana, ieejas pras\u012bbas, OCPP funkcijas, sertifik\u0101cija, m\u0113r\u012b\u0161ana un pakalpojumu pakete ir j\u0101apstiprina pieg\u0101d\u0101tajam modelim un m\u0113r\u0137a tirgum.<\/p>\n\n  <h2>Secin\u0101jums<\/h2>\n\n  <p>L\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijas nepiecie\u0161am\u0101 t\u012bkla jauda nav vienk\u0101r\u0161i uzl\u0101des apar\u0101tu skaits, kas reizin\u0101ts ar to maksim\u0101lo jaudu. Pareizo rezult\u0101tu ieg\u016bst no laika mode\u013ca, kur\u0101 \u0146emta v\u0113r\u0101 transportl\u012bdzek\u013ca ener\u0123ija, uzl\u0101des logi, transportl\u012bdzek\u013ca piesl\u0113gums, akt\u012bvie savienot\u0101ji, uzl\u0101des apar\u0101ta mai\u0146str\u0101vas ieeja, eso\u0161\u0101s iek\u0101rtas piepras\u012bjums, apstiprin\u0101t\u0101 t\u012bkla jauda un izv\u0113l\u0113t\u0101 vad\u012bbas strat\u0113\u0123ija.<\/p>\n\n  <p>Dinamiska slodzes p\u0101rvald\u012bba var ierobe\u017eotu jaudu sadal\u012bt sapr\u0101t\u012bg\u0101k. Akumulatora uzkr\u0101\u0161ana var samazin\u0101t izv\u0113l\u0113tos maksimumus, ja tai ir pietiekami daudz pieejamo kW, izmantojamo kWh, uzl\u0101des l\u012bme\u0146a un atk\u0101rtotas uzl\u0101des iesp\u0113ju. Neviens no \u0161iem faktoriem neatbr\u012bvo no nepiecie\u0161am\u012bbas p\u0113c koordin\u0101cijas ar komun\u0101lajiem pakalpojumiem un kvalific\u0113ta elektroprojekta.<\/p>\n\n  <p>Projektu \u012bpa\u0161niekiem visnoder\u012bg\u0101kais pirmais solis nav jaut\u0101jums: &quot;Cik lielam j\u0101b\u016bt transformatoram?&quot; T\u0101 ir darb\u012bbas datu apkopo\u0161ana, kas \u013cauj transformatoru, l\u0101d\u0113t\u0101jus, vad\u012bbas ier\u012bces un papildu BESS izm\u0113r\u012bt vien\u0101 sist\u0113m\u0101.<\/p>\n\n  <h2 id=\"faq\">Bie\u017ei uzdotie jaut\u0101jumi: L\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijas jaudas pras\u012bbas<\/h2>\n\n  <div class=\"evb-faq\">\n    <h3>Cik daudz ener\u0123ijas nepiecie\u0161ams l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijai?<\/h3>\n    <p>Tas ir atkar\u012bgs no uzl\u0101des ier\u012b\u010du maksim\u0101l\u0101 vienlaic\u012bg\u0101 mai\u0146str\u0101vas piepras\u012bjuma, eso\u0161\u0101s iek\u0101rtas slodzes, apstiprin\u0101t\u0101 t\u012bkla importa ierobe\u017eojuma, uzl\u0101des ier\u012b\u010du zudumiem un pal\u012bgier\u012bc\u0113m, transportl\u012bdzek\u013cu grafikiem un jebkuras at\u013caut\u0101s saules vai BESS ieguld\u012bjuma. Uzl\u0101des ier\u012b\u010du datu pl\u0101ksn\u012b\u0161u summa ir augst\u0101k\u0101 iek\u0101rtas jauda, nevis autom\u0101tiski objekta nep\u0101rtraukt\u0101s t\u012bkla pras\u012bbas.<\/p>\n\n    <h3>Vai \u010detr\u0101m 240 kW uzl\u0101des ier\u012bc\u0113m no t\u012bkla ir nepiecie\u0161ami 960 kW?<\/h3>\n    <p>Ne oblig\u0101ti. \u010cetru uzl\u0101des staciju kop\u0113j\u0101 nomin\u0101l\u0101 jauda ir 960 kW, ta\u010du faktiskais t\u012bkla piepras\u012bjums ir atkar\u012bgs no vienlaic\u012bgas lieto\u0161anas, transportl\u012bdzek\u013ca uzl\u0101des pie\u0146em\u0161anas, jaudas koplieto\u0161anas, vietas vad\u012bbas ier\u012bc\u0113m, cit\u0101m slodz\u0113m un uzl\u0101des stacijas mai\u0146str\u0101vas ieejas. Ja vis\u0101m \u010detr\u0101m uzl\u0101des stacij\u0101m vienlaikus j\u0101nodro\u0161ina gandr\u012bz pilna jauda, elektrosist\u0113mai j\u0101b\u016bt projekt\u0113tai atbilsto\u0161i \u0161ai darb\u012bbas pras\u012bbai.<\/p>\n\n    <h3>K\u0101da izm\u0113ra transformators ir nepiecie\u0161ams l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des stacijai?<\/h3>\n    <p>Transformators j\u0101izv\u0113las no paredzam\u0101s sakrito\u0161\u0101s \u0161\u0137ietam\u0101s jaudas un j\u0101p\u0101rskata, \u0146emot v\u0113r\u0101 eso\u0161o slodzi, spriegumu, jaudas koeficientu, harmonikas, slodzes krit\u0113rijus, apk\u0101rt\u0113j\u0101s vides apst\u0101k\u013cus, redundanci un turpm\u0101ko papla\u0161in\u0101\u0161anos. Nav univers\u0101las transformatora un l\u0101d\u0113t\u0101ja attiec\u012bbas. Gal\u012bgo projektu j\u0101apstiprina komun\u0101lo pakalpojumu uz\u0146\u0113mumam un kvalific\u0113tam elektroin\u017eenierim.<\/p>\n\n    <h3>Vai dinamisk\u0101 slodzes p\u0101rvald\u012bba var pal\u012bdz\u0113t izvair\u012bties no transformatora moderniz\u0101cijas?<\/h3>\n    <p>Tas var samazin\u0101t vai atlikt moderniz\u0101ciju, ja transportl\u012bdzek\u013ciem ir pietiekama uzl\u0101des elast\u012bba un pieejamais savienojums joproj\u0101m var pieg\u0101d\u0101t nepiecie\u0161amo ener\u0123iju pirms atie\u0161anas. Tas nevar atrisin\u0101t probl\u0113mu, kur visiem transportl\u012bdzek\u013ciem nekav\u0113joties nepiecie\u0161ama liela jauda un eso\u0161ajam savienojumam nav pietiekamas jaudas.<\/p>\n\n    <h3>Vai akumulatora uzglab\u0101\u0161ana var darbin\u0101t l\u012bdzstr\u0101vas \u0101tr\u0101s uzl\u0101des ier\u012bces?<\/h3>\n    <p>J\u0101, pareizi konstru\u0113ta uzl\u0101des sist\u0113ma (BESS) var atbalst\u012bt da\u013cu no uzl\u0101des slodzes. T\u0101s ieguld\u012bjumu ierobe\u017eo pieejam\u0101 izl\u0101des jauda, izmantojam\u0101 ener\u0123ija, uzl\u0101des st\u0101voklis, efektivit\u0101te, temperat\u016bra, rezerves iestat\u012bjumi, garantijas ierobe\u017eojumi un uzl\u0101des iesp\u0113ja. Atliku\u0161o piepras\u012bjumu parasti nodro\u0161ina t\u012bkls vai cits avots.<\/p>\n\n    <h3>K\u0101 tiek apr\u0113\u0137in\u0101ta elektrotransportl\u012bdzek\u013cu uzl\u0101des stacijas BESS ietilp\u012bba?<\/h3>\n    <p>Vispirms apr\u0113\u0137iniet laika rindas starp\u012bbu starp v\u0113lamo objekta piepras\u012bjumu un at\u013cauto t\u012bkla importa m\u0113r\u0137i. BESS jaudai kW ir j\u0101sedz izv\u0113l\u0113tais maksimums, savuk\u0101rt izmantojamajai ener\u0123ijai kWh ir j\u0101nosedz izv\u0113l\u0113tais maksimums nepiecie\u0161amo laiku. P\u0113c tam \u0146emiet v\u0113r\u0101 darb\u012bbas rezervi, konversijas zudumus, temperat\u016bru, degrad\u0101ciju, garantijas ierobe\u017eojumus, atk\u0101rtotus ciklus un atk\u0101rtotu uzl\u0101di.<\/p>\n\n    <h3>K\u0101p\u0113c transportl\u012bdzeklis ne vienm\u0113r uzl\u0101d\u0113jas ar l\u0101d\u0113t\u0101ja maksim\u0101lo jaudu?<\/h3>\n    <p>Transportl\u012bdzeklis kontrol\u0113, cik daudz jaudas tas sa\u0146em. Akumulatora temperat\u016bra, uzl\u0101des st\u0101voklis, akumulatora spriegums, uzl\u0101des l\u012bkne, savienot\u0101ja str\u0101va, transportl\u012bdzek\u013ca ierobe\u017eojumi un koplietot\u0101s l\u0101d\u0113t\u0101ja jauda var samazin\u0101t faktisko jaudu.<\/p>\n\n    <h3>Vai, nosakot t\u012bkla jaudu, j\u0101\u0146em v\u0113r\u0101 saules ener\u0123ija?<\/h3>\n    <p>Saules ener\u0123ija var samazin\u0101t neto t\u012bkla importu, ja ra\u017eo\u0161ana p\u0101rkl\u0101jas ar uzl\u0101di, ta\u010du konservat\u012bv\u0101 maksim\u0101l\u0101s jaudas gad\u012bjum\u0101 j\u0101p\u0101rbauda ar\u012b zema vai nulles saules ener\u0123ijas ra\u017eo\u0161ana. Objektam j\u0101paliek savas robe\u017ev\u0113rt\u012bbas robe\u017e\u0101s, ja laikapst\u0101k\u013ci vai uzl\u0101des grafiki samazina saules ener\u0123ijas ieguld\u012bjumu.<\/p>\n\n    <h3>Kas notiek, ja BESS vai slodzes p\u0101rvald\u012bbas sist\u0113ma neizdodas?<\/h3>\n    <p>Nodotajam rezerves re\u017e\u012bmam ir j\u0101uztur objekta darb\u012bba apstiprin\u0101taj\u0101s elektr\u012bbas robe\u017e\u0101s. Tas var ierobe\u017eot kop\u0113jo l\u0101d\u0113t\u0101ja jaudu, aptur\u0113t zem\u0101kas priorit\u0101tes sesijas vai atgriezties pie konservat\u012bvas lok\u0101l\u0101s robe\u017eas, vienlaikus nos\u016btot trauksmi. Pirms darb\u012bbas uzs\u0101k\u0161anas ir j\u0101defin\u0113 un j\u0101p\u0101rbauda rezerves darb\u012bba.<\/p>\n\n    <h3>K\u0101da inform\u0101cija j\u0101sniedz elektrotransportl\u012bdzek\u013cu uzl\u0101des staciju pieg\u0101d\u0101t\u0101jam?<\/h3>\n    <p>Sniedziet transportl\u012bdzek\u013cu uzl\u0101des pras\u012bbas, iera\u0161an\u0101s un atie\u0161anas grafikus, ener\u0123ijas pat\u0113ri\u0146u uz vienu transportl\u012bdzekli, paredzam\u0101s vienlaic\u012bg\u0101s sesijas, interv\u0101lu datus par iek\u0101rtas slodzi, transformatoru un pakalpojumu inform\u0101ciju, komun\u0101lo pakalpojumu ierobe\u017eojumus, vietas ras\u0113jumus, turpm\u0101ko izaugsmi, aizmugures sist\u0113mas pras\u012bbas un visus saules vai BESS m\u0113r\u0137us.<\/p>\n  <\/div>\n\n  <div class=\"evb-warning\"><strong>In\u017eeniertehnisk\u0101 piez\u012bme:<\/strong> \u0160aj\u0101 rokasgr\u0101mat\u0101 sniegt\u0101s formulas un darb\u012bbas piem\u0113rs ir paredz\u0113ti pl\u0101no\u0161anas apm\u0101c\u012bbai. Gal\u012bgie l\u0113mumi par komun\u0101lo pakalpojumu starpsavienojumiem, transformatoriem, sadales iek\u0101rt\u0101m, kabe\u013ciem, aizsardz\u012bbu, zem\u0113jumu, harmoniku, ugunsdro\u0161\u012bbu, civilo dro\u0161\u012bbu, pieejam\u012bbu, m\u0113r\u012b\u0161anu un nodo\u0161anu ekspluat\u0101cij\u0101 j\u0101pie\u0146em konkr\u0113taj\u0101 objekt\u0101 kvalific\u0113tiem speci\u0101listiem un attiec\u012bgaj\u0101m iest\u0101d\u0113m.<\/div>\n\n  <h2>Avoti un papildu las\u0101mviela<\/h2>\n\n  <ol>\n    <li>Klin\u0161u kalnu nacion\u0101l\u0101 laboratorija, <a href=\"https:\/\/www.nlr.gov\/transportation\/evi-ensitepy\">EVI-EnSitePy: Elektrotransportl\u012bdzek\u013cu infrastrukt\u016bras ener\u0123ijas nov\u0113rt\u0113\u0161anas un vietas optimiz\u0101cijas r\u012bks<\/a>Skat\u012bts 2026. gada 24. j\u016blij\u0101.<\/li>\n    <li>ASV Ener\u0123\u0113tikas departaments, <a href=\"https:\/\/www.energy.gov\/cmei\/femp\/articles\/evi-locate-step-step\">EVI-LOCATE Soli pa solim<\/a>Skat\u012bts 2026. gada 24. j\u016blij\u0101.<\/li>\n    <li>ASV Ener\u0123\u0113tikas departaments, <a href=\"https:\/\/www.energy.gov\/cmei\/femp\/managed-and-bidirectional-charging\">P\u0101rvald\u012bta un divvirzienu uzl\u0101de<\/a>Skat\u012bts 2026. gada 24. j\u016blij\u0101.<\/li>\n    <li>Atv\u0113rt\u0101s maksas alianse, <a href=\"https:\/\/openchargealliance.org\/ocpp-2-0-1-full-certification-is-now-available\/\">OCPP 2.0.1 pilna sertifik\u0101cija tagad ir pieejama<\/a>Skat\u012bts 2026. gada 24. j\u016blij\u0101.<\/li>\n    <li>Alternat\u012bvo degvielu datu centrs, <a href=\"https:\/\/afdc.energy.gov\/fuels\/electricity-infrastructure-development\">Elektromobi\u013cu uzl\u0101des infrastrukt\u016bras iepirkums un uzst\u0101d\u012b\u0161ana<\/a>Skat\u012bts 2026. gada 24. j\u016blij\u0101.<\/li>\n  <\/ol>\n\n<\/div>\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How much power does a DC fast charging station need?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It depends on the maximum coincident AC demand of the chargers, existing facility load, approved grid-import limit, charger losses and auxiliaries, vehicle schedules, and any permitted solar or BESS contribution. The sum of charger nameplates is an upper equipment rating, not automatically the site's continuous grid requirement.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do four 240 kW chargers require 960 kW from the grid?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Not necessarily. Four chargers have 960 kW of aggregate nameplate power, but actual grid demand depends on simultaneous use, vehicle charge acceptance, power sharing, site controls, other loads, and charger AC input. If all four must provide near-full power simultaneously, the electrical system must be designed for that operating requirement.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What size transformer is needed for a DC fast charging station?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The transformer must be selected from expected coincident apparent power and reviewed for existing load, voltage, power factor, harmonics, loading criteria, ambient conditions, redundancy, and future expansion. There is no universal transformer-to-charger ratio. The utility and qualified electrical engineer must approve the final design.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can dynamic load management avoid a transformer upgrade?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It can reduce or defer an upgrade when vehicles have enough charging flexibility and the available connection can still deliver the required energy before departure. It cannot solve a site where all vehicles need immediate high power and the existing connection lacks sufficient capacity.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can battery storage power DC fast chargers?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, a properly designed BESS can support part of the charging load. Its contribution is limited by available discharge power, usable energy, state of charge, efficiency, temperature, reserve settings, warranty limits, and recharge opportunity. The grid or another source normally supplies the remaining demand.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How is BESS capacity calculated for an EV charging station?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"First calculate the time-series difference between desired site demand and the permitted grid-import target. BESS power in kW must cover the selected peak, while usable energy in kWh must sustain it for the required duration. Then account for operating reserve, conversion losses, temperature, degradation, warranty limits, repeated cycles, and recharging.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why does a vehicle not always charge at the charger's maximum power?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The vehicle controls how much power it accepts. Battery temperature, state of charge, battery voltage, charging curve, connector current, vehicle limits, and shared charger power can all reduce actual output.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Should solar power be included when sizing grid capacity?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Solar can reduce net grid import when generation overlaps charging, but a conservative peak case should also test low or zero solar output. The site must remain within its limits when weather or charging schedules reduce solar contribution.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What happens if the BESS or load-management system fails?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The commissioned fallback mode should keep the site within approved electrical limits. It may cap aggregate charger power, pause lower-priority sessions, or revert to a conservative local limit while sending an alarm. Fallback behavior must be defined and tested before operation.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What information should be provided to an EV charger supplier?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Provide vehicle charging requirements, arrival and departure schedules, energy per vehicle, expected simultaneous sessions, interval facility-load data, transformer and service details, utility limits, site drawings, future growth, backend requirements, and any solar or BESS objectives.\"\n            }\n        }\n    ]\n}<\/script>\n\n\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>EVB.COM \u00b7 Author: EVB Charging Solutions Team \u00b7 Technical Review: EVB Commercial Charging Engineering Team \u00b7 Updated July 2026 \u00b7 19-minute read \u00b7 DC Fast Charging \u00b7 Grid Capacity \u00b7 Transformer Planning \u00b7 Dynamic Load Management How much grid power does a DC fast charging station actually need? The answer is rarely the sum of [&hellip;]<\/p>","protected":false},"author":3,"featured_media":42523,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[368,377,369,354,364,372,214,362,205,371,204,375,363,278,367,376,373,366,365,370,374],"class_list":["post-42558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-almacenamiento-de-energia-2","tag-armazenamento-de-energia-2","tag-batteriespeicher","tag-battery-storage-for-ev-charging","tag-bess-ev-charging","tag-carregamento-rapido-dc","tag-commercial-ev-charging","tag-dc-fast-charger","tag-dc-fast-charging","tag-dc-schnellladestation","tag-dynamic-load-management","tag-estacion-de-carga-rapida","tag-ev-charging-station","tag-fleet-charging","tag-gestao-de-carga","tag-gestion-de-carga","tag-grid-power-requirements","tag-ladeinfrastruktur","tag-lastmanagement","tag-netzanschluss","tag-transformer-sizing"],"acf":[],"yoast_head":"<!-- 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