

{"id":130164,"date":"2022-09-02T10:29:22","date_gmt":"2022-09-02T08:29:22","guid":{"rendered":"https:\/\/support.wallbox.com\/knowledge-base\/hvad-er-faseskift-og-hvorfor-bor-det-overvejes-til-installationer-med-flere-opladere\/"},"modified":"2022-11-03T14:32:30","modified_gmt":"2022-11-03T13:32:30","slug":"hvad-er-faseskift-og-hvorfor-bor-det-overvejes-til-installationer-med-flere-opladere","status":"publish","type":"ht_kb","link":"https:\/\/support.pre.wallbox.com\/da\/knowledge-base\/hvad-er-faseskift-og-hvorfor-bor-det-overvejes-til-installationer-med-flere-opladere\/","title":{"rendered":"Hvad er faseskift, og hvorfor b\u00f8r det overvejes til installationer med flere opladere?"},"content":{"rendered":"\n<p><strong>Faseskift er en almindelig praksis, der udf\u00f8res af installat\u00f8rer i elektriske installationer, hvor installat\u00f8ren \u00e6ndrer den r\u00e6kkef\u00f8lge, hvori belastningerne tilsluttet til faserne, <\/strong>s\u00e5 enfasede belastninger fordeles j\u00e6vnt.\u00a0<\/p>\n\n\n\n<p>Dette kan v\u00e6re s\u00e6rligt fordelagtigt i visse elektriske installationer, da det sikrer, at vi ikke overbelaster visse faser, hvis andre har rigeligt med tilg\u00e6ngelig energi.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hvordan fungerer faseskift?<\/h2>\n\n\n\n<p>Ved opladning af elbiler kan visse elbiler kun oplade p\u00e5 1 fase, da deres On-Board-Charger (OBC) er begr\u00e6nset. I disse tilf\u00e6lde vil elbilen kun oplade p\u00e5 en enkelt fase, selvom en elbilsoplader er kompatibel og installeret med 3 faser.\u00a0<\/p>\n\n\n\n<p>Trefaset opladning er hurtigere en etfaset opladning (ved samme str\u00f8mstyrke), men i visse tilf\u00e6lde kan <strong>etfaset opladning v\u00e6re nok til at oplade biler over et l\u00e6ngere tidsrum.<\/strong> For eksempel har lejlighedsbygninger betydelige udfordringer med at fordele elektriske str\u00f8mkabler over hele deres parkeringsplads. Oprettelse af enfasede kredsl\u00f8b p\u00e5 en enkel m\u00e5de for at holde omkostningerne nede, mens der installeres flere ladepunkter.<strong> Det er ogs\u00e5 veldimensioneret til kundernes behov, idet opladning i l\u00f8bet af natten giver rigelig tid til at &#8220;<em>fylde batteriet op<\/em>&#8221; og er stadig den billigste m\u00e5de at oplade elbiler p\u00e5<\/strong>.\u00a0<\/p>\n\n\n\n<p>Men n\u00e5r det g\u00e6lder supermarkeder eller tankstationer, har elbilsbrugere behov for at f\u00e5 s\u00e5 meget str\u00f8m p\u00e5 batteriet som muligt p\u00e5 mindst mulig tid. <strong>Det er her faseskift kommer ind i billedet.<\/strong>\u00a0<\/p>\n\n\n\n<p>Lad os sige, at du har tre ladepunkter<strong> i samme belastningsstyringnetv\u00e6rk <\/strong>installeret i en trefaset facilitet. Hvad nu, hvis<strong> alle disse ladepunkter anvendes til at oplade enfasede biler.<\/strong> Hvis alle tre opladere er installeret i samme r\u00e6kkef\u00f8lge (fase 1 &#8211; fase 2 &#8211; fase 3), ville det betyder, at der potentielt er en samlet belastning p\u00e5 30A p\u00e5 L1 &#8211; idet hele belastningen er begr\u00e6nset til nettets enfasede kapacitet &#8211; mens L2 og L3 slet ikke bruges (figur 1). Derudover<strong> lader hver oplader ved 10A,<\/strong> da den maksimalt tilg\u00e6ngelige str\u00f8m p\u00e5 hver fase er 30A, <strong>og de skal dele den tilg\u00e6ngelige str\u00f8m mellem belastningsstyringsnetv\u00e6rket.<\/strong><\/p>\n\n\n\n<p>I dette scenarie er elbilsinstallationen ikke balanceret, og den tilg\u00e6ngelige str\u00f8m g\u00e5r tabt. For at im\u00f8deg\u00e5 dette og opn\u00e5 opladning ved fuld hastighed <strong>\u00f8nsker vi at balancere str\u00f8mmen over de tre faser<\/strong>.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/support.wallbox.com\/wp-content\/uploads\/2022\/09\/Illustrations-04.png\" alt=\"\" class=\"wp-image-123312\" width=\"458\" height=\"448\" srcset=\"https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/Illustrations-04.png 485w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/Illustrations-04-300x293.png 300w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/Illustrations-04-50x50.png 50w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/Illustrations-04-60x60.png 60w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/Illustrations-04-100x98.png 100w\" sizes=\"(max-width: 458px) 100vw, 458px\" \/><figcaption>Figur 1<\/figcaption><\/figure><\/div>\n\n\n\n<p>Det er her faseskift kommer ind i billedet. Hvis elbilsopladerne er installeret med en modificeret faser\u00e6kkef\u00f8lge, fordeles enfasede opladninger mellem faser, hvilket giver en <strong>balanceret belastning og maksimerer ladehastigheden for hver enfasede opladning.<\/strong> (Figur 2).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"939\" height=\"375\" src=\"https:\/\/support.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10.jpg\" alt=\"\" class=\"wp-image-125249\" srcset=\"https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10.jpg 939w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10-300x120.jpg 300w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10-768x307.jpg 768w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10-50x20.jpg 50w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10-60x24.jpg 60w, https:\/\/support.pre.wallbox.com\/wp-content\/uploads\/2022\/09\/assetFichier-10-100x40.jpg 100w\" sizes=\"(max-width: 939px) 100vw, 939px\" \/><figcaption>Figur 2<\/figcaption><\/figure><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">At g\u00e5 endnu l\u00e6ngere<\/h1>\n\n\n\n<p>Hvis du er interesseret i at optimere din ladeinfrastrukturs ydeevne, eller hvis du planl\u00e6gger at udvide dit str\u00f8mnetv\u00e6rk, b\u00f8r du ogs\u00e5 overveje Static Load Management og Dynamic Static Load Management.<\/p>\n\n\n\n<p>Hvis du har brug for mere information om, hvordan man designer en installation til flere opladere eller har sp\u00f8rgsm\u00e5l om faseskift, kan du kontakte os <a href=\"https:\/\/support.wallbox.com\/da\/kontakt-os\/\"><strong>via vores kontaktformular<\/strong><\/a>. Vores eksperter vil s\u00e5 r\u00e5dgive dig om de bedste l\u00f8sninger.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Faseskift er en almindelig praksis, der udf\u00f8res af installat\u00f8rer i elektriske installationer, hvor installat\u00f8ren \u00e6ndrer den r\u00e6kkef\u00f8lge, hvori belastningerne tilsluttet&#8230;<\/p>\n","protected":false},"author":12,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"ht-kb-category":[2181,9721,9918],"ht-kb-tag":[1927],"class_list":["post-130164","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-energy-management-solutions","ht_kb_category-chargers-da","ht_kb_category-hjaelp-til-artikel","ht_kb_tag-artikler-da"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hvad er faseskift, og hvorfor b\u00f8r det overvejes til installationer med flere opladere? 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