M\u00e3 l\u01b0\u1edbi nghi\u00eam ng\u1eb7t<\/strong> ng\u00e0y c\u00e0ng y\u00eau c\u1ea7u c\u00e1c \u0111\u1ecba \u0111i\u1ec3m ph\u1ea3i cung c\u1ea5p h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (v\u00ed d\u1ee5: Q(U), Q(P), h\u00e0m Volt-VAR) \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh l\u01b0\u1edbi \u0111i\u1ec7n c\u1ee5c b\u1ed9.<\/li>\n<\/ul>\nN\u1ebfu kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng th\u00f4ng minh, t\u1eadp trung, to\u00e0n b\u1ed9 trang web s\u1ebd g\u1eb7p ph\u1ea3i nh\u1eefng v\u1ea5n \u0111\u1ec1 sau:<\/strong><\/p>\n\n- S\u1ef1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p<\/strong>, d\u1eabn \u0111\u1ebfn \u0111\u00e8n nh\u1ea5p nh\u00e1y ho\u1eb7c thi\u1ebft b\u1ecb ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
- Gi\u1ea3m t\u1ed1c \u0111\u1ed9 s\u1ea1c<\/strong> v\u00ec b\u1ed9 s\u1ea1c b\u1ecb gi\u1ea3m c\u00f4ng su\u1ea5t do \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n \u00e1p k\u00e9m.<\/li>\n
- Bi\u1ebfn t\u1ea7n gi\u1ea3m c\u00f4ng su\u1ea5t<\/strong>, h\u1ea1n ch\u1ebf ti\u1ec1m n\u0103ng t\u1ea1o ra doanh thu t\u1eeb h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n.<\/li>\n
- N\u00e2ng c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 t\u1ed1n k\u00e9m<\/strong> \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/li>\n
- Ph\u00ed nhu c\u1ea7u kVA cao h\u01a1n<\/strong> t\u1eeb ti\u1ec7n \u00edch do h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t k\u00e9m.<\/li>\n<\/ul>\n
N\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng t\u00edch h\u1ee3p c\u1ee7a EVB<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho th\u1eed th\u00e1ch ch\u00ednh x\u00e1c n\u00e0y. N\u00f3 v\u01b0\u1ee3t xa vi\u1ec7c hi\u1ec7u ch\u1ec9nh b\u1ed9 s\u1ea1c ri\u00eang l\u1ebb \u0111\u1ec3 \u0111i\u1ec1u ph\u1ed1i c\u00e1c b\u1ed9 bi\u1ebfn t\u1ea7n PV, BESS v\u00e0 b\u1ed9 s\u1ea1c EV th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng h\u00e0i h\u00f2a duy nh\u1ea5t.<\/strong> \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t g\u1ea7n b\u1eb1ng 1 (~0,99), t\u1ed1i \u0111a h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u1ea1i ch\u1ed7 v\u00e0 \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 \u0111i\u1ec7n n\u0103ng cho EV trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n t\u1ea3i\u2014b\u1ea3o v\u1ec7 kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ee7a b\u1ea1n tr\u01b0\u1edbc c\u00e1c y\u00eau c\u1ea7u thay \u0111\u1ed5i c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n trong t\u01b0\u01a1ng lai.<\/p>\nNh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\nC\u00e2u h\u1ecfi 1: H\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t l\u00fd t\u01b0\u1edfng cho tr\u1ea1m s\u1ea1c EV l\u00e0 bao nhi\u00eau v\u00e0 t\u1ea1i sao?<\/h3>\n
M\u1ed8T:<\/strong> H\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t l\u00fd t\u01b0\u1edfng l\u00e0 c\u00e0ng g\u1ea7n 1.0 (\u0111\u01a1n v\u1ecb) c\u00e0ng t\u1ed1t<\/strong>. \u0110\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng th\u01b0\u01a1ng m\u1ea1i, h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u1ea1t ti\u1ec1n \u0111i\u1ec7n th\u01b0\u1eddng l\u00e0 0,90 \u0111\u1ebfn 0,95<\/strong>Tuy nhi\u00ean, m\u1ed9t tr\u1ea1m th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3 n\u00ean h\u01b0\u1edbng t\u1edbi 0,98 tr\u1edf l\u00ean<\/strong>H\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t cao (v\u00ed d\u1ee5: 0,99) \u0111\u1ea3m b\u1ea3o b\u1ea1n kh\u00f4ng ph\u1ea3i tr\u1ea3 ti\u1ec1n cho c\u00f4ng su\u1ea5t ch\u01b0a s\u1eed d\u1ee5ng (c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng), t\u1ed1i \u0111a h\u00f3a k\u1ebft n\u1ed1i l\u01b0\u1edbi \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra doanh thu t\u1eeb c\u00f4ng su\u1ea5t ho\u1ea1t \u0111\u1ed9ng (kW) v\u00e0 gi\u1ea3m thi\u1ec3u \u00e1p l\u1ef1c l\u00ean thi\u1ebft b\u1ecb.<\/p>\nC\u00e2u h\u1ecfi 2: T\u1ea1i sao b\u1ed9 s\u1ea1c nhanh DC (DCFC) c\u00f3 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t th\u1ea5p?<\/h3>\n
M\u1ed8T:<\/strong> B\u1ed9 s\u1ea1c nhanh DC v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 b\u1ed9 ch\u1ec9nh l\u01b0u c\u00f4ng su\u1ea5t cao. Th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a ch\u00fang \u2014 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i AC\/DC \u2014 s\u1eed d\u1ee5ng cu\u1ed9n c\u1ea3m v\u00e0 c\u00e1c linh ki\u1ec7n chuy\u1ec3n m\u1ea1ch (nh\u01b0 IGBT) c\u1ea7n t\u1eeb tr\u01b0\u1eddng \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. Vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec t\u1eeb tr\u01b0\u1eddng n\u00e0y ti\u00eau t\u1ed1n c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng c\u1ea3m \u1ee9ng (kvar)<\/strong>, kh\u00f4ng g\u00f3p ph\u1ea7n s\u1ea1c pin nh\u01b0ng l\u1ea1i r\u1ea5t c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i. \u0110\u1eb7c t\u00ednh v\u1ed1n c\u00f3 n\u00e0y d\u1eabn \u0111\u1ebfn h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t th\u1ea5p n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh.<\/p>\nC\u00e2u 3: C\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u00ed nhu c\u1ea7u ti\u1ec7n \u00edch nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n
M\u1ed8T:<\/strong> H\u1ea7u h\u1ebft c\u00e1c ti\u1ec7n \u00edch t\u00ednh ph\u00ed kh\u00e1ch h\u00e0ng th\u01b0\u01a1ng m\u1ea1i d\u1ef1a tr\u00ean m\u1ee9c cao \u0111i\u1ec3m c\u1ee7a h\u1ecd c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn (kVA)<\/strong> Nhu c\u1ea7u \u0111i\u1ec7n, kh\u00f4ng ch\u1ec9 l\u00e0 l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 (kWh). H\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t th\u1ea5p \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c b\u1ea1n s\u1ebd ti\u00eau th\u1ee5 nhi\u1ec1u kVA h\u01a1n cho c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng h\u1eefu \u00edch (kW). Nhu c\u1ea7u kVA cao h\u01a1n n\u00e0y s\u1ebd l\u00e0m t\u0103ng "ph\u00ed nhu c\u1ea7u" h\u00e0ng th\u00e1ng c\u1ee7a b\u1ea1n. H\u01a1n n\u1eefa, c\u00e1c c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c th\u01b0\u1eddng \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p t\u00e0i ch\u00ednh tr\u1ef1c ti\u1ebfp. h\u00ecnh ph\u1ea1t<\/strong> n\u1ebfu h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t c\u1ee7a b\u1ea1n gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi ng\u01b0\u1ee1ng theo h\u1ee3p \u0111\u1ed3ng (v\u00ed d\u1ee5: 0,90).<\/p>\nC\u00e2u h\u1ecfi 4: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SVG v\u00e0 c\u00e1c t\u1ee5 \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t l\u00e0 g\u00ec?<\/h3>\n
M\u1ed8T:<\/strong> \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7:<\/p>\n\n- Ng\u00e2n h\u00e0ng t\u1ee5 \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng:<\/strong> Cung c\u1ea5p b\u00f9 tr\u1eeb t\u1eebng b\u01b0\u1edbc "t\u0129nh". Ch\u00fang chuy\u1ec3n \u0111\u1ed5i c\u00e1c t\u1ea7ng t\u1ee5 \u0111i\u1ec7n v\u00e0o v\u00e0 ra, r\u1ea5t ch\u1eadm (v\u00e0i gi\u00e2y \u0111\u1ebfn v\u00e0i mili gi\u00e2y) v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn b\u00f9 tr\u1eeb qu\u00e1 m\u1ee9c\/thi\u1ebfu h\u1ee5t. Ch\u00fang c\u0169ng d\u1ec5 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng s\u00f3ng h\u00e0i.<\/li>\n
- Tr\u00ecnh t\u1ea1o Var t\u0129nh (SVG):<\/strong> Cung c\u1ea5p kh\u1ea3 n\u0103ng b\u00f9 tr\u1eeb "\u0111\u1ed9ng", li\u00ean t\u1ee5c v\u00e0 t\u1ee9c th\u1eddi (ph\u1ea3n h\u1ed3i t\u00ednh b\u1eb1ng mili gi\u00e2y). SVG s\u1eed d\u1ee5ng \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t (IGBT) \u0111\u1ec3 t\u1ea1o ra l\u01b0\u1ee3ng c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng ch\u00ednh x\u00e1c, \u0111\u00e1p \u1ee9ng tr\u01a1n tru v\u1edbi t\u1ea3i thay \u0111\u1ed5i nhanh ch\u00f3ng c\u1ee7a b\u1ed9 s\u1ea1c EV. Ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i, ng\u0103n ng\u1eeba qu\u00e1 \u00e1p v\u00e0 c\u0169ng c\u00f3 th\u1ec3 gi\u00fap l\u1ecdc s\u00f3ng h\u00e0i.<\/li>\n<\/ul>\n
C\u00e2u h\u1ecfi 5: C\u00e1c \u0111\u1ecba \u0111i\u1ec3m t\u00edch h\u1ee3p PV + ESS + EV c\u00f3 c\u1ea7n h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng kh\u00f4ng?<\/h3>\n
M\u1ed8T:<\/strong> Ch\u1eafc ch\u1eafn r\u1ed3i. Th\u1ef1c t\u1ebf, y\u00eau c\u1ea7u n\u00e0y th\u1eadm ch\u00ed c\u00f2n quan tr\u1ecdng h\u01a1n.<\/strong> S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c b\u1ed9 bi\u1ebfn t\u1ea7n PV (t\u1ef1 qu\u1ea3n l\u00fd c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng), pin hai chi\u1ec1u v\u00e0 t\u1ea3i bi\u1ebfn thi\u00ean cao c\u1ee7a b\u1ed9 s\u1ea1c nhanh DC t\u1ea1o ra m\u1ed9t h\u1ec7 sinh th\u00e1i n\u0103ng l\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p, d\u1ec5 b\u1ecb m\u1ea5t \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p. N\u1ebfu kh\u00f4ng c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng t\u1eadp trung ch\u1ee7 \u0111\u1ed9ng \u0111i\u1ec1u ph\u1ed1i h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng gi\u1eefa t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i s\u1ea3n, hi\u1ec7u su\u1ea5t, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p \u0111i\u1ec7n s\u1ea1c \u0111\u1ea7y c\u1ee7a nh\u00e0 m\u00e1y s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\nK\u1ebft lu\u1eadn: Bi\u1ebfn chi ph\u00ed \u1ea9n th\u00e0nh l\u1ee3i th\u1ebf c\u1ea1nh tranh<\/h2>\n
Trong b\u1ed1i c\u1ea3nh c\u1ea1nh tranh c\u1ee7a ng\u00e0nh s\u1ea1c xe \u0111i\u1ec7n, s\u1ef1 xu\u1ea5t s\u1eafc trong v\u1eadn h\u00e0nh l\u00e0 t\u1ed1i quan tr\u1ecdng. Vi\u1ec7c hi\u1ec3u v\u00e0 qu\u1ea3n l\u00fd C\u00f4ng su\u1ea5t ch\u1ee7 \u0111\u1ed9ng so v\u1edbi C\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m \u0111i\u1ec7n ph\u1ee9c t\u1ea1p\u2014m\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t doanh nghi\u1ec7p sinh l\u1eddi v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n
B\u1eb1ng c\u00e1ch h\u1ee3p t\u00e1c v\u1edbi EVB, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n l\u00e0 ch\u1ec9 ph\u1ea7n c\u1ee9ng. B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c ba th\u1eadp k\u1ef7 kinh nghi\u1ec7m v\u1ec1 k\u1ef9 thu\u1eadt \u0111i\u1ec7n<\/strong> t\u1eadp trung v\u00e0o vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a to\u00e0n b\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ea1c c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i cung c\u1ea5p h\u01b0\u1edbng d\u1eabn \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh \u0111\u1ec3 bi\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1eeb m\u1ed9t kho\u1ea3n n\u1ee3 th\u00e0nh m\u1ed9t t\u00e0i s\u1ea3n chi\u1ebfn l\u01b0\u1ee3c, t\u1eeb c\u00e1c \u0111i\u1ec3m s\u1ea1c \u0111\u01a1n l\u1ebb \u0111\u1ebfn c\u00e1c trung t\u00e2m n\u0103ng l\u01b0\u1ee3ng t\u00edch h\u1ee3p ph\u1ee9c t\u1ea1p nh\u1ea5t.<\/p>\nB\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n v\u00e0 b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn ch\u01b0a?<\/strong> Li\u00ean h\u1ec7 v\u1edbi c\u00e1c chuy\u00ean gia EVB ngay h\u00f4m nay \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u0111\u1ecba \u0111i\u1ec3m mi\u1ec5n ph\u00ed v\u00e0 ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng.<\/a><\/p>","protected":false},"excerpt":{"rendered":"Active vs. Reactive Power: The Unseen Battle for EV Charging Profitability At EVB, with over three decades of experience in electrical infrastructure and EV charging solutions, we’ve observed a critical knowledge gap. While operators focus on charger count and power ratings (kW), many overlook the fundamental electrical phenomenon that silently erodes profitability: the interplay between […]<\/p>","protected":false},"author":3,"featured_media":32413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[101,100,112,103,108,104,111,110,109,107,106,102,105],"class_list":["post-36140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dc-fast-charger-power","tag-ev-charging-power-factor","tag-ev-charging-station-efficiency","tag-evb-charger","tag-integrated-charging-site","tag-kva","tag-kvar","tag-kw-vs-kva","tag-power-factor-correction","tag-power-quality","tag-reactive-power-compensation","tag-svg-vs-capacitor","tag-utility-demand-charges"],"acf":[],"yoast_head":"\n
Active vs. Reactive Power: The Hidden Cost Most EV Charging Operators Miss | EVB<\/title>\n<meta name=\"description\" content=\"EVB Experts Decode Power Fundamentals: Learn how managing Active (kW) vs. Reactive Power (kvar) impacts your EV charging station's efficiency, utility costs, and long-term viability. 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