{"id":19414,"date":"2024-07-25T10:26:20","date_gmt":"2024-07-25T02:26:20","guid":{"rendered":"https:\/\/www.evb.com\/?p=19414"},"modified":"2024-07-30T09:20:10","modified_gmt":"2024-07-30T01:20:10","slug":"pen-fault-protection","status":"publish","type":"post","link":"https:\/\/www.evb.com\/fi\/pen-fault-protection\/","title":{"rendered":"Miksi PEN-vikasuojaus on olennainen s\u00e4hk\u00f6autojen latausteollisuudessa?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"19414\" class=\"elementor elementor-19414\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ad22dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4ad22dc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bdea1df\" data-id=\"bdea1df\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8ea06ed elementor-widget elementor-widget-text-editor\" data-id=\"8ea06ed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"NfJldcLUnoSokJx42vucjtL1nHl\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MCJadhD2QoNRNPxbEtlcfRekn4f\"><div data-page-id=\"A53XdjnUJo0OVTxKjfhcbzOBnpd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZRByd0yBYoewZYx6eeFcQ34cnjb\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IRg3dqnpkos6lfxkkEXcOyl4nO3\">PEN-vikasuojaus on s\u00e4hk\u00f6ajoneuvojen latausalan ratkaisevan t\u00e4rke\u00e4 turvaominaisuus, jonka tarkoituksena on varmistaa latausinfrastruktuurin turvallisuus ja luotettavuus.<\/div><div>\u00a0<\/div><div class=\"ace-line ace-line old-record-id-IRg3dqnpkos6lfxkkEXcOyl4nO3\">T\u00e4ss\u00e4 on yksityiskohtainen selitys siit\u00e4, mit\u00e4 PEN-vikasuojaus on ja miksi se on olennainen s\u00e4hk\u00f6autojen latauksessa.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5b81de3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5b81de3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7b29592\" data-id=\"7b29592\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-13c21e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13c21e6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-9e11a5e\" data-id=\"9e11a5e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2efac74 elementor-widget elementor-widget-spacer\" data-id=\"2efac74\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76d0fb8 elementor-widget elementor-widget-text-editor\" data-id=\"76d0fb8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\" style=\"list-style-type: circle;\"><li class=\"ace-line ace-line old-record-id-TBf7dD8Q4oQTi2xmBG2cjMmWndh\" data-list=\"bullet\"><div><a href=\"#a1\">Mik\u00e4 on PEN-vikasuojaus?<\/a><\/div><\/li><li class=\"ace-line ace-line old-record-id-TET7dIerBoZc6NxhVhucugqWn6c\" data-list=\"bullet\"><div><a href=\"#a2\">Miksi PEN-vikasuojaus on niin t\u00e4rke\u00e4?<\/a><\/div><\/li><li class=\"ace-line ace-line old-record-id-Zc5qdrnFhoQ045xvwpAc6g20n8c\" data-list=\"bullet\"><div><a href=\"#a3\">Miten PEN-vianilmaisin toimii?<\/a><\/div><\/li><li class=\"ace-line ace-line old-record-id-HvUNd8ra0oNTq2xj0FQck5D3n8b\" data-list=\"bullet\"><div><a href=\"#a4\">Ovatko PEN ja PME sama asia?<\/a><\/div><\/li><\/ul><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fe9444 elementor-widget elementor-widget-spacer\" data-id=\"7fe9444\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1d07962\" data-id=\"1d07962\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ef7ad3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ef7ad3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c7f9dd2\" data-id=\"c7f9dd2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f565f0 elementor-widget elementor-widget-spacer\" data-id=\"3f565f0\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed32142 elementor-widget elementor-widget-heading\" data-id=\"ed32142\" data-element_type=\"widget\" id=\"a1\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mik\u00e4 on PEN-vikasuojaus?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d7c74f elementor-widget elementor-widget-text-editor\" data-id=\"9d7c74f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MW6EdVxcMoBMH0xEzXpcPLSzn2g\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-LO4Ed2jxbonxv6xOGlQcFC54nTh\">PEN-vikasuojaus on lyhenne sanoista Protective Earth Neutral Fault Protection. T\u00e4m\u00e4 suojausmekanismi on v\u00e4ltt\u00e4m\u00e4t\u00f6n j\u00e4rjestelmiss\u00e4, joissa suojamaadoitus- (PE) ja nollajohdin (N) on yhdistetty yhdeksi johtimeksi, jota kutsutaan PEN-johtimeksi. T\u00e4m\u00e4 kokoonpano on yleinen TN-CS-j\u00e4rjestelmiss\u00e4 (Terra Neutral \u2013 Combined and Separated). <a href=\"https:\/\/en.wikipedia.org\/wiki\/Earthing_system\"><strong><span style=\"color: #3366ff;\">maadoitusj\u00e4rjestelm\u00e4t<\/span><\/strong><\/a>.<\/div><\/div><\/div><\/div><div>\u00a0<\/div><div><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-SUjUdPh8KoW18fxEg2zcuCwknWb\">S\u00e4hk\u00f6autojen latausteollisuudessa PEN-vikasuojauksella on ratkaiseva rooli latausasemien turvallisuuden ja luotettavuuden varmistamisessa. Monissa s\u00e4hk\u00f6autojen latausj\u00e4rjestelmiss\u00e4 PEN-johdinta k\u00e4ytet\u00e4\u00e4n yhdist\u00e4m\u00e4\u00e4n suojamaadoituksen ja nollajohtimen toiminnot, mik\u00e4 auttaa yksinkertaistamaan maadoitusj\u00e4rjestelm\u00e4\u00e4.<\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-070c7b6 elementor-widget elementor-widget-video\" data-id=\"070c7b6\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=AxY0GEJN3QI&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-40ebf36 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40ebf36\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-344d6a6\" data-id=\"344d6a6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-febbe31 elementor-widget elementor-widget-spacer\" data-id=\"febbe31\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a1e118 elementor-widget elementor-widget-heading\" data-id=\"0a1e118\" data-element_type=\"widget\" id=\"a2\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tarvitsevatko s\u00e4hk\u00f6auton laturit PEN-vikasuojauksen?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c14ec66 elementor-widget elementor-widget-text-editor\" data-id=\"c14ec66\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MW6EdVxcMoBMH0xEzXpcPLSzn2g\">Ehdottomasti s\u00e4hk\u00f6autojen latauspisteesi tarvitsevat PEN-vikasuojauksen sek\u00e4 ajoneuvojen ett\u00e4 k\u00e4ytt\u00e4jien turvallisuuden varmistamiseksi. Kuvitellaanpa seuraava tilanne:<\/div><div>\u00a0<\/div><div class=\"ace-line ace-line old-record-id-MW6EdVxcMoBMH0xEzXpcPLSzn2g\">Kun s\u00e4hk\u00f6auto on kytketty latausasemaan, mik\u00e4 tahansa PEN-johtimen vika voi johtaa vaarallisiin tilanteisiin. Esimerkiksi jos PEN-johdin katkeaa tai siin\u00e4 on suuri vastus, ajoneuvon ja latausaseman metalliosat voivat joutua j\u00e4nnitteisiksi, mik\u00e4 aiheuttaa s\u00e4hk\u00f6iskun vaaran k\u00e4ytt\u00e4jille. T\u00e4m\u00e4 on erityisen t\u00e4rke\u00e4\u00e4 ulkoymp\u00e4rist\u00f6iss\u00e4, joissa riski kasvaa vaihtelevien s\u00e4\u00e4olosuhteiden ja mahdollisen maankosketuksen vuoksi.<\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f24b16 elementor-widget elementor-widget-image\" data-id=\"9f24b16\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-detection.webp\" class=\"attachment-large size-large wp-image-19509\" alt=\"kyn\u00e4n vian havaitseminen\" srcset=\"https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-detection.webp 1280w, https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-detection-600x338.webp 600w, https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-detection-768x432.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fdec52 elementor-widget elementor-widget-text-editor\" data-id=\"5fdec52\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MW6EdVxcMoBMH0xEzXpcPLSzn2g\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D50DdqVF2oqf7FxkqJ9cJxBnntb\">S\u00e4hk\u00f6autojen latauslaitteiden PEN-vikasuojausj\u00e4rjestelm\u00e4t on suunniteltu valvomaan jatkuvasti PEN-johtimen eheytt\u00e4. Ne havaitsevat mahdolliset viat, kuten katkokset tai korkean impedanssin, ja ryhtyv\u00e4t v\u00e4litt\u00f6m\u00e4sti toimiin riskien lievent\u00e4miseksi. N\u00e4ihin kuuluvat h\u00e4lytysten laukaiseminen, virransy\u00f6t\u00f6n katkaiseminen ja vian erist\u00e4minen vaarojen est\u00e4miseksi. N\u00e4m\u00e4 j\u00e4rjestelm\u00e4t varmistavat, ett\u00e4 latausinfrastruktuuri pysyy turvallisena k\u00e4ytt\u00e4jille ja auttaa noudattamaan tiukkoja turvallisuusm\u00e4\u00e4r\u00e4yksi\u00e4.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-36edde7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"36edde7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0d489c1\" data-id=\"0d489c1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2258b83 elementor-widget elementor-widget-spacer\" data-id=\"2258b83\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a03f84 elementor-widget elementor-widget-heading\" data-id=\"0a03f84\" data-element_type=\"widget\" id=\"a3\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Miten PEN-vianilmaisin toimii?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1f0bfb elementor-widget elementor-widget-text-editor\" data-id=\"c1f0bfb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L5W5dgdnNouKTuxSIxjcwYaZn6g\">Yleisesti ottaen PEN-vianilmaisin varmistaa s\u00e4hk\u00f6j\u00e4rjestelmien turvallisuuden seuraavien vaiheiden avulla:<\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c3c0ca elementor-widget elementor-widget-heading\" data-id=\"0c3c0ca\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Vaihe 1: Seuranta<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fb7434 elementor-widget elementor-widget-text-editor\" data-id=\"5fb7434\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L5W5dgdnNouKTuxSIxjcwYaZn6g\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CsXbd18caoOY0hxzFVVcTz2QnRg\">Kolmivaiheinen PEN-vianilmaisin valvoo jatkuvasti s\u00e4hk\u00f6autojen latauslaitteiden j\u00e4nnitetasoja ja PEN-johtimen eheytt\u00e4. Se k\u00e4ytt\u00e4\u00e4 antureita ja ilmaisimia tarkistaakseen mahdolliset poikkeamat, jotka saattavat viitata PEN-vikaan, varmistaen s\u00e4hk\u00f6autojen latausj\u00e4rjestelm\u00e4n turvallisuuden ja luotettavuuden.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-471271a elementor-widget elementor-widget-image\" data-id=\"471271a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-protection.webp\" class=\"attachment-large size-large wp-image-19415\" alt=\"kyn\u00e4n vikasuojaus\" srcset=\"https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-protection.webp 1280w, https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-protection-600x338.webp 600w, https:\/\/www.evb.com\/wp-content\/uploads\/2024\/07\/pen-fault-protection-768x432.webp 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4fd129 elementor-widget elementor-widget-heading\" data-id=\"c4fd129\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Vaihe 2: Vianm\u00e4\u00e4ritys<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d328a75 elementor-widget elementor-widget-text-editor\" data-id=\"d328a75\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L5W5dgdnNouKTuxSIxjcwYaZn6g\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TpkHdnpBwosmTUxDwZYcFRnenhM\">Kun kolmivaiheinen PEN-vikasuojalaite havaitsee vian, kuten PEN-johtimen katkoksen tai ep\u00e4tavallisen j\u00e4nnitetason, se laukaisee h\u00e4lytyksen tai k\u00e4ynnist\u00e4\u00e4 automaattisen sammutuksen. T\u00e4m\u00e4 est\u00e4\u00e4 k\u00e4ytt\u00e4jille ja laitteille aiheutuvat vahingot ja yll\u00e4pit\u00e4\u00e4 s\u00e4hk\u00f6autolatureiden turvallisuutta PEN-viantunnistuksella.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47d8175 elementor-widget elementor-widget-heading\" data-id=\"47d8175\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Vaihe 3: Irtikytkent\u00e4mekanismi<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83d394e elementor-widget elementor-widget-text-editor\" data-id=\"83d394e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L5W5dgdnNouKTuxSIxjcwYaZn6g\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TpkHdnpBwosmTUxDwZYcFRnenhM\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PfBvdOxzSoYpXlxUoz2cJVSgnTb\">Havaitun vian sattuessa kolmivaiheinen PEN-vikasuojausj\u00e4rjestelm\u00e4 voi automaattisesti katkaista s\u00e4hk\u00f6auton latausaseman virransy\u00f6t\u00f6n. T\u00e4m\u00e4 erist\u00e4\u00e4 vian ja est\u00e4\u00e4 mahdolliset vaarat varmistaen, ett\u00e4 s\u00e4hk\u00f6auton latausasema pysyy turvallisena k\u00e4ytt\u00e4\u00e4.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fde4cf2 elementor-widget elementor-widget-heading\" data-id=\"fde4cf2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Vaihe 4: H\u00e4lytys ja lokikirjaus<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c782b2 elementor-widget elementor-widget-text-editor\" data-id=\"5c782b2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L5W5dgdnNouKTuxSIxjcwYaZn6g\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TpkHdnpBwosmTUxDwZYcFRnenhM\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R7xLd5IyyoFcaDxv8y8cGo4hnWh\">Kolmivaiheinen PEN-vianilmaisin voi ilmoittaa viasta huoltohenkil\u00f6st\u00f6lle tai j\u00e4rjestelm\u00e4nvalvojalle h\u00e4lytyksill\u00e4 tai ilmoituksilla. Se my\u00f6s kirjaa vikatiedot jatkoanalyysia ja huoltoa varten, mik\u00e4 parantaa PEN-vikasuojauksella varustetun s\u00e4hk\u00f6auton latausaseman yleist\u00e4 luotettavuutta.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6acfc4c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6acfc4c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7db7c25\" data-id=\"7db7c25\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ded6199 elementor-widget elementor-widget-spacer\" data-id=\"ded6199\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-787753b elementor-widget elementor-widget-heading\" data-id=\"787753b\" data-element_type=\"widget\" id=\"a4\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ovatko PEN ja PME sama asia?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b9e6e0 elementor-widget elementor-widget-text-editor\" data-id=\"5b9e6e0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"A53XdjnUJo0OVTxKjfhcbzOBnpd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XpxndD61soaD7Txdlumc2e3Zn4c\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PMW3dT8VeoocFcxAc7Tc82tjnMd\">S\u00e4hk\u00f6ajoneuvojen latausasemien alalla PEN- ja PME-vianilmaisu ovat toisiinsa liittyvi\u00e4, mutta eri k\u00e4sitteit\u00e4.<\/div><div>\u00a0<\/div><div class=\"ace-line ace-line old-record-id-PMW3dT8VeoocFcxAc7Tc82tjnMd\">PEN viittaa suojamaadoituksen (PE) ja nollajohtimen (N) yhdist\u00e4miseen yhdeksi johtimeksi. PEN-johtimen k\u00e4yt\u00f6n etuna on johdotuksen yksinkertaistaminen. Se tuo kuitenkin mukanaan my\u00f6s turvallisuusriskej\u00e4; esimerkiksi jos PEN-johdin katkeaa, latausasema ja ajoneuvon metalliosat voivat joutua j\u00e4nnitteisiksi, mik\u00e4 lis\u00e4\u00e4 s\u00e4hk\u00f6iskun riski\u00e4.<\/div><div>\u00a0<\/div><div class=\"ace-line ace-line old-record-id-PMW3dT8VeoocFcxAc7Tc82tjnMd\">PME (Protective Multiple Earthing) tarkoittaa, ett\u00e4 nollajohdin on maadoitettu useista pisteist\u00e4. T\u00e4m\u00e4n moninkertaisen maadoitusmenetelm\u00e4n tarkoituksena on parantaa j\u00e4rjestelm\u00e4n turvallisuutta ja luotettavuutta. Vaikka yksi maadoituspiste pett\u00e4isi, muut maadoituspisteet voivat silti tarjota tehokkaan maadoituksen, mik\u00e4 v\u00e4hent\u00e4\u00e4 s\u00e4hk\u00f6iskun riski\u00e4.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d426f03 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d426f03\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8b8a209\" data-id=\"8b8a209\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9442c19 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9442c19\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-617f761 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"617f761\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-521a012\" data-id=\"521a012\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-29e0a23 elementor-widget elementor-widget-text-editor\" data-id=\"29e0a23\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div data-page-id=\"A53XdjnUJo0OVTxKjfhcbzOBnpd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-GxItdDsFioAracxifVgcz6Sgnff\"><div data-page-id=\"O6xfdk7GsoNXSVx0Tvwcf1K6nXf\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Yeowdwhxpo35QcxJToXcqAOMnFe\">Kun olet ymm\u00e4rt\u00e4nyt PEN-vikasuojauksen olennaisen tiedon, on selv\u00e4\u00e4, kuinka ratkaisevan t\u00e4rke\u00e4\u00e4 se on s\u00e4hk\u00f6ajoneuvojen latausasemien alalla. PEN-vikasuojaus valvoo ja k\u00e4sittelee vikoja tehokkaasti varmistaen latausasemien ja ajoneuvojen turvallisuuden ja v\u00e4hent\u00e4en s\u00e4hk\u00f6iskun riski\u00e4. Jos tarvitset s\u00e4hk\u00f6autojen latausasemia, joissa on PEN-vikatunnistus, ota yhteytt\u00e4 <span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/www.evb.com\/fi\">EVB<\/a><\/strong><\/span> lis\u00e4tietoja ja tukea varten.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-608a2d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"608a2d9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9d832ad\" data-id=\"9d832ad\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-48ea976 elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"48ea976\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t<h3 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">Hanki PEN-vikasuojatut s\u00e4hk\u00f6auton laturit EVB:lt\u00e4 nyt!<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-sm\" href=\"#elementor-action:action=popup:open&settings=eyJpZCI6IjQzNzMiLCJ0b2dnbGUiOmZhbHNlfQ==\">\n\t\t\t\t\t\tKlikkaa t\u00e4st\u00e4 &gt;&gt;\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>PEN fault protection is a crucial safety feature in the electric vehicle (EV) charging industry, designed to ensure the safety and reliability of charging infrastructure.\u00a0Here&#8217;s a detailed explanation of what PEN fault protection is and why it is essential in EV charging. What is PEN fault protection? Why is PEN fault protection so important? How [&hellip;]<\/p>","protected":false},"author":3,"featured_media":19509,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-19414","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why PEN Fault Protection is Essential in the EV Charging Industry?<\/title>\n<meta name=\"description\" content=\"Read this article to understand PEN fault protection, how PEN fault detection devices work, and find out how PEN differs from PME.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.evb.com\/fi\/pen-fault-protection\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" 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