{"id":12305,"date":"2026-03-07T09:00:00","date_gmt":"2026-03-07T01:00:00","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=12305"},"modified":"2026-03-27T09:18:03","modified_gmt":"2026-03-27T01:18:03","slug":"differences-between-ct-and-pt","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/","title":{"rendered":"Transformatoren begrijpen: wat is het verschil tussen CT en PT?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >Inhoudsopgave<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Inhoudsopgave in-\/uitschakelen\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Schakelaar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#CT_vs_PT_Key_Differences_Overview\" title=\"CT vs PT: Belangrijkste verschillen Overzicht\">CT vs PT: Belangrijkste verschillen Overzicht<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Key_Differences_Between_CT_and_PT\" title=\"Belangrijkste verschillen tussen CT en PT\">Belangrijkste verschillen tussen CT en PT<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Primary_Function\" title=\"Primaire functie\">Primaire functie<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Design_and_Construction\" title=\"Ontwerp en constructie\">Ontwerp en constructie<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Accuracy_and_Load_Handling\" title=\"Nauwkeurigheid en lastbehandeling\">Nauwkeurigheid en lastbehandeling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Applications\" title=\"Toepassingen\">Toepassingen<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#When_Is_a_CT_Used_and_When_Is_a_PT_Used\" title=\"When Is a CT Used and When Is a PT Used?\">When Is a CT Used and When Is a PT Used?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#What_is_a_Current_Transformer_CT\" title=\"Wat is een stroomtransformator (CT)?\">Wat is een stroomtransformator (CT)?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Purpose_of_Current_Transformer\" title=\"Doel van de stroomtransformator\">Doel van de stroomtransformator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Use_of_Current_Transformer\" title=\"Gebruik van stroomtransformator\">Gebruik van stroomtransformator<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#What_is_a_Potential_Transformer_PT\" title=\"Wat is een potentiaaltransformator (PT)?\">Wat is een potentiaaltransformator (PT)?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Purpose_of_Potential_Transformer\" title=\"Doel van de potentiaaltransformator\">Doel van de potentiaaltransformator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Common_Applications\" title=\"Veelvoorkomende toepassingen\">Veelvoorkomende toepassingen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Importance_of_Using_Both_CTs_and_PTs\" title=\"Het belang van het gebruik van zowel CT&#039;s als PT&#039;s\">Het belang van het gebruik van zowel CT&#039;s als PT&#039;s<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Current_and_Potential_Transformer_FAQs\" title=\"Veelgestelde vragen over stroom- en potentiaaltransformatoren\">Veelgestelde vragen over stroom- en potentiaaltransformatoren<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#What_is_the_difference_between_CT_and_PT_in_electrical_terms\" title=\"Wat is elektrisch gezien het verschil tussen CT en PT?\">Wat is elektrisch gezien het verschil tussen CT en PT?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Why_are_CTs_and_PTs_important_in_power_systems\" title=\"Waarom zijn CT&#039;s en PT&#039;s belangrijk in energiesystemen?\">Waarom zijn CT&#039;s en PT&#039;s belangrijk in energiesystemen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#How_do_CTs_and_PTs_ensure_system_safety\" title=\"Hoe garanderen CT&#039;s en PT&#039;s de veiligheid van het systeem?\">Hoe garanderen CT&#039;s en PT&#039;s de veiligheid van het systeem?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Can_CT_and_PT_be_used_together_in_one_system\" title=\"Can CT and PT be used together in one system?\">Can CT and PT be used together in one system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#What_should_buyers_check_before_selecting_a_CT_or_PT\" title=\"What should buyers check before selecting a CT or PT?\">What should buyers check before selecting a CT or PT?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/#Current_and_Potential_Transformer_Conclusion\" title=\"Stroom- en potentiaaltransformator: Conclusie\">Stroom- en potentiaaltransformator: Conclusie<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>CTs and PTs are both instrument transformers, but they do not serve the same measurement purpose.<\/p>\n\n\n\n<p>A current transformer is used when current needs to be reduced to a measurable level for meters or protection devices. A potential transformer is used when voltage needs to be stepped down for safe measurement and control. For buyers, the practical question is not just the definition, but which one is required for the metering or protection task in the system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CT_vs_PT_Key_Differences_Overview\"><\/span>CT vs PT: Belangrijkste verschillen Overzicht<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Functie<\/strong><\/td><td><strong><a href=\"https:\/\/www.tosunlux.eu\/nl\/category\/current-transformer\/\">Stroomtransformator (CT)<\/a><\/strong><\/td><td><strong>Potenti\u00eble transformator (PT)<\/strong><\/td><\/tr><tr><td>Meting Focus<\/td><td>Stroommeting<\/td><td>Spanningsmeting<\/td><\/tr><tr><td>Invoerbereik<\/td><td>Hoge stroom (bijv. 100A tot 5.000A)<\/td><td>Hoge spanning (bijv. 11kV tot 400kV)<\/td><\/tr><tr><td>Uitvoerbereik<\/td><td>Lage, veilige stroom (bijv. 5A of 1A)<\/td><td>Gestandaardiseerde lage spanning (bijv. 110V)<\/td><\/tr><tr><td>Veelvoorkomende toepassingen<\/td><td>Industri\u00eble en onderstationstroombewaking<\/td><td>Bewaking van de transmissiespanning<\/td><\/tr><tr><td>Nauwkeurigheid<\/td><td>Hoog voor stroom bij wisselende belastingen<\/td><td>Hoog voor spanning bij vaste verhoudingen<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Differences_Between_CT_and_PT\"><\/span>Belangrijkste verschillen tussen CT en PT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Primary_Function\"><\/span>Primaire functie<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CT&#039;s meten de stroomsterkte door hoge stroomniveaus te verlagen, terwijl PT&#039;s de spanning meten door de hoge spanning te verlagen naar een veiliger niveau.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_and_Construction\"><\/span>Ontwerp en constructie<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CT&#039;s zijn gebouwd om hoge stromen te verwerken en hebben vaak een toro\u00efdaal ontwerp. PT&#039;s daarentegen zijn ontworpen voor nauwkeurige spanningsschaling, met isolatie die geschikt is voor toepassingen met hoge spanning.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Accuracy_and_Load_Handling\"><\/span>Nauwkeurigheid en lastbehandeling<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CT&#039;s zijn geoptimaliseerd voor nauwkeurige stroomsterktes onder wisselende belastingomstandigheden. PT&#039;s geven prioriteit aan spanningsnauwkeurigheid om nauwkeurige meting en relaiswerking te garanderen.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications\"><\/span>Toepassingen<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CT&#039;s zijn ideaal voor industri\u00eble systemen die stroombewaking vereisen, terwijl PT&#039;s essentieel zijn voor transmissie- en distributiesystemen die <a href=\"https:\/\/www.tosunlux.eu\/nl\/control-transformer\/\">spanningsregeling<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Is_a_CT_Used_and_When_Is_a_PT_Used\"><\/span>When Is a CT Used and When Is a PT Used?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A CT is selected when the system requires current measurement, current monitoring, or current input for protective relays and metering devices.<\/p>\n\n\n\n<p>A PT is selected when voltage measurement, voltage monitoring, or voltage input for relays and <a href=\"https:\/\/www.tosunlux.eu\/nl\/modular-smart-energy-meter\/\" target=\"_blank\" rel=\"noreferrer noopener\">metering equipment<\/a> is needed.<\/p>\n\n\n\n<p>In many substations and industrial systems, CTs and PTs are used together so that both current and voltage can be monitored safely and accurately.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_Current_Transformer_CT\"><\/span>Wat is een stroomtransformator (CT)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Een stroomtransformator (CT) is ontworpen om de hoge stroomsterkte in een circuit te meten en deze terug te brengen naar een veiliger, meetbaar niveau voor meters en beveiligingsapparaten.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Purpose_of_Current_Transformer\"><\/span>Doel van de stroomtransformator<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>CT&#039;s zijn essentieel voor het bewaken van hoogstroomcircuits zonder dat er direct contact nodig is. Ze beschermen apparaten door de <a href=\"https:\/\/www.tosunlux.eu\/nl\/blog\/understanding-electrical-short-circuits-types-and-causes\/\">risico&#039;s verbonden aan hoogspanning<\/a> en stroompieken.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_of_Current_Transformer\"><\/span>Gebruik van stroomtransformator<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>CT&#039;s worden veel gebruikt in onderstations, energiecentrales en industri\u00eble omgevingen voor stroommeting, relaisbeveiliging en systeembewaking.<\/p>\n\n\n\n<iframe width=\"760\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/32Vw40nUSwA?si=YN3SWlWwiFMej-Fe\" title=\"YouTube-videospeler\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_Potential_Transformer_PT\"><\/span>Wat is een potentiaaltransformator (PT)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Een potentiaaltransformator (PT), ook wel spanningstransformator genoemd, wordt gebruikt om een hoge spanning terug te brengen naar een lager, gestandaardiseerd niveau dat geschikt is voor meting en regeling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Purpose_of_Potential_Transformer\"><\/span>Doel van de potentiaaltransformator<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>PT&#039;s maken nauwkeurige spanningsmetingen en systeembeveiliging mogelijk door een verkleinde replica van de hoge spanning in het circuit te leveren.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Applications\"><\/span>Veelvoorkomende toepassingen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>PT&#039;s worden veel gebruikt in elektriciteitsdistributienetwerken, transmissiesystemen en industri\u00eble apparatuur om veilige spanningsniveaus voor meters en relais te garanderen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Importance_of_Using_Both_CTs_and_PTs\"><\/span>Het belang van het gebruik van zowel CT&#039;s als PT&#039;s<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CT&#039;s en PT&#039;s werken samen om de veilige werking van elektrische systemen te garanderen. CT&#039;s beschermen apparaten tegen overstroom, terwijl PT&#039;s beschermen tegen overspanning.&nbsp;<\/p>\n\n\n\n<p>Door ze gecombineerd te gebruiken, worden nauwkeurige metingen gegarandeerd, wat essentieel is voor de effici\u00ebntie en veiligheid van het systeem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Current_and_Potential_Transformer_FAQs\"><\/span>Veelgestelde vragen over stroom- en potentiaaltransformatoren<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_CT_and_PT_in_electrical_terms\"><\/span>Wat is elektrisch gezien het verschil tussen CT en PT?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>CT&#039;s meten stroom, terwijl PT&#039;s spanning meten. Beide verlagen hun respectievelijke parameters voor veilige en nauwkeurige monitoring.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_are_CTs_and_PTs_important_in_power_systems\"><\/span>Waarom zijn CT&#039;s en PT&#039;s belangrijk in energiesystemen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ze zorgen voor nauwkeurige metingen, systeembeveiliging en veilige werking van apparatuur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_do_CTs_and_PTs_ensure_system_safety\"><\/span>Hoe garanderen CT&#039;s en PT&#039;s de veiligheid van het systeem?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Door hoge spanningen en stromen te isoleren, beschermen ze gevoelige meet- en beveiligingsapparatuur tegen directe blootstelling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_CT_and_PT_be_used_together_in_one_system\"><\/span>Can CT and PT be used together in one system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Yes. In metering and relay protection systems, they are often used together to provide safe current and voltage inputs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_should_buyers_check_before_selecting_a_CT_or_PT\"><\/span>What should buyers check before selecting a CT or PT?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Key checks include input rating, output rating, accuracy class, insulation requirement, and the intended metering or protection application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Current_and_Potential_Transformer_Conclusion\"><\/span>Stroom- en potentiaaltransformator: Conclusie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Het begrijpen van de verschillen tussen stroomtransformatoren (CT&#039;s) en potentiaaltransformatoren (PT&#039;s) is essentieel voor het selecteren van de juiste apparatuur voor elektrische systemen.&nbsp;<\/p>\n\n\n\n<p>Terwijl CT&#039;s zich richten op stroombewaking, behandelen PT&#039;s spanningsschaling. Beide apparaten werken samen om de veiligheid, betrouwbaarheid en effici\u00ebntie in energiesystemen te verbeteren.&nbsp;<\/p>\n\n\n\n<p>Hun verschillende, maar elkaar aanvullende rollen zorgen voor een soepele werking van moderne elektriciteitsnetwerken.<\/p>\n\n\n\n<p>For metering panels, substations, and protection systems, CT\/PT selection should be matched to the actual measurement objective and relay or meter configuration rather than selected by terminology alone.<\/p>\n\n\n\n\n  <style>\n\t\t\t.module {\n\t\t\t\tmargin: 10px 0 30px 0;\n\t\t\t\twidth: 100%;\n\t\t\t\ttext-align: left;\n\t\t\t}\n\t\t\t\/* \u6807\u9898 *\/\n\t\t\t.module .module-title {\n\t\t\t\tfont-size: 18px;\n\t\t\t\tdisplay: flex;\n\t\t\t\talign-items: center;\n\t\t\t}\n\n\t\t\t.module .module-button {\n\t\t\t\tcursor: pointer;\n\t\t\t\tborder: 0px;\n\t\t\t\ttext-align: center;\n\t\t\t\tmargin-left: 10px;\n\t\t\t\tbackground: none;\n\t\t\t}\n\n\t\t\t.module .module-content {\n\t\t\t\tdisplay: 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width='18' height='18'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u5927\u5c0f\u8bf7\u5728width\u548cheight\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M511.602721 1023.001027a511.474051 511.474051 0 1 1 360.629164-148.84694 509.476105 509.476105 0 0 1-360.629164 149.845913z m0-941.032335c-109.887003 0-220.772979 41.956856-304.686691 125.870567-167.827423 168.826396-167.827423 441.545958 0 609.373381s440.546985 167.827423 609.373381 0c167.827423-167.827423 167.827423-440.546985 0-609.373381-83.913711-82.914739-194.799687-124.871594-304.68669-124.871595z m332.657927 763.215185z'\n\t\t\t\t\t\t\tfill='#00b1cdbd' p-id='2000'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M780.326392 552.484859H241.880077a39.95891 39.95891 0 0 1 0-79.91782h538.446315a39.95891 39.95891 0 0 1 0 79.91782z'\n\t\t\t\t\t\t\tfill='#00b1cdbd' p-id='2001'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t<\/svg>\n\t\t\t\t<\/button>\n\t\t\t<\/div>\n\t\t\t<div class='module-content'>\n\t\t\t\t<div class='d1' style='background-color:#00b1cdbd'>\n\t\t\t\t\t<!-- \u8fd9\u662f\u6587\u5b57\u7b80\u4ecb -->\n\t\t\t\t\t<span style='font-size:18px'>De TOSUNlux gebruikt alleen bronnen van hoge kwaliteit, waaronder peer-reviewed studies, om de feiten in onze artikelen te ondersteunen. Onze toewijding aan nauwkeurigheid en betrouwbaarheid zorgt ervoor dat lezers goed onderzochte informatie ontvangen die ze kunnen vertrouwen.\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<ul class='d2'>\n\t\t\t\t\n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/www.vedantu.com\/question-answer\/are-ct-and-pt-in-the-transformer-class-12-physics-cbse-60cd937960e3b42d26cf7874'>Wat zijn CT en PT in de transformator?<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/circuitglobe.com\/difference-between-current-transformer-ct-and-potential-transformer-pt.html'>Verschil tussen stroomtransformator (CT) en potentiaaltransformator (PT)<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class='aaa a2' target='_blank' href='https:\/\/www.electricaltechnology.org\/2021\/09\/difference-between-current-voltage-potential-transformer.html'>Verschil tussen stroomtransformator en potentiaaltransformator<\/a><\/li>\n  \n\t\t\t\t<\/ul>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<script>\n\t\t\tconst moduleButtons = document.querySelectorAll('.module-button');\n\t\t\tconst svg1 = document.getElementById('svg-1');\n\t\t\tconst svg2 = document.getElementById('svg-2');\n\t\t\tfor (const button of moduleButtons) {\n\t\t\t\tbutton.addEventListener('click', function() {\n\t\t\t\t\tconst content = this.parentNode.nextElementSibling;\n\t\t\t\t\tcontent.classList.toggle('show');\n\t\t\t\t\tconst svg = this.querySelector('svg');\n\t\t\t\t\tconst plusPath = svg.querySelector('#plus');\n\t\t\t\t});\n\t\t\t\tsvg1.addEventListener('click', function() {\n\t\t\t\t\tsvg1.style.display = 'none';\n\t\t\t\t\tsvg2.style.display = 'block';\n\t\t\t\t});\n\n\t\t\t\tsvg2.addEventListener('click', function() {\n\t\t\t\t\tsvg2.style.display = 'none';\n\t\t\t\t\tsvg1.style.display = 'block';\n\t\t\t\t});\n\t\t\t}\n\t\t<\/script>","protected":false},"excerpt":{"rendered":"<p>CTs and PTs are both instrument transformers, but they do not serve the same measurement purpose. A current transformer is used when current needs to be reduced to a measurable level for meters or protection devices. A potential transformer is used when voltage needs to be stepped down for safe measurement and control. For buyers, the practical question is not just the definition, but which one is required for the metering or protection task in the system. CT vs PT: Key Differences Overview Feature Current Transformer (CT) Potential Transformer (PT) Measurement Focus Current measurement Voltage measurement Input Range High current (e.g., 100A to 5,000A) High voltage (e.g., 11kV to 400kV) Output Range Low, safe current (e.g., 5A or 1A) Standardized low voltage (e.g., 110V) Common Uses Industrial and substation current monitoring Power transmission voltage monitoring Accuracy High for current at varying loads High for voltage at fixed ratios Key Differences Between CT and PT Primary Function CTs measure current by stepping down high current levels, while PTs measure voltage by reducing high voltage to a safer level. Design and Construction CTs are built to handle high currents, often featuring a toroidal design. PTs, in contrast, are designed for precise voltage scaling, with insulation suited for high-voltage applications. Accuracy and Load Handling CTs are optimized for current accuracy under varying load conditions. PTs prioritize voltage precision to ensure accurate metering and relay operation. Applications CTs are ideal for industrial systems requiring current monitoring, while PTs are essential for transmission and distribution systems requiring voltage control. When [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12306,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-12305","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Understanding Transformers: What is the Difference Between CT and PT? - TOSUNlux Official Site - Electrical Circuit Breaker Manufacturer in China<\/title>\n<meta name=\"description\" content=\"Learn the key differences between current transformers (CT) and potential transformers (PT) in electrical systems and their respective roles.\" \/>\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.tosunlux.eu\/nl\/blog\/differences-between-ct-and-pt\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding Transformers: What is the Difference Between CT and PT? - 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