{"id":289,"date":"2026-04-01T15:42:53","date_gmt":"2026-04-01T07:42:53","guid":{"rendered":"https:\/\/gd-penglong.com\/?post_type=product&#038;p=289"},"modified":"2026-04-01T15:42:53","modified_gmt":"2026-04-01T07:42:53","slug":"current-transformer","status":"publish","type":"product","link":"https:\/\/gd-penglong.com\/index.php\/product\/current-transformer\/","title":{"rendered":"Current Transformer"},"content":{"rendered":"<p><strong>Purpose<\/strong><br data-filtered=\"filtered\" \/>It is outdoor, single phase and oil immersed hair-pin type current transformer, which is used for metering and relay protection of220kv,50 or 60Hz system.<\/p>\n<p><strong>Standards<\/strong><br data-filtered=\"filtered\" \/>IEC Standard:IEC60044-1\u300aCurrent Transformer\u300b National Standard:GB1208\u300aCurrent Transformer\u300b<br data-filtered=\"filtered\" \/>GB311.1\u300aInsulation co-ordination for high voltage transmission and distribution equipment\u300b<\/p>\n<p><strong>Service condition<\/strong><br data-filtered=\"filtered\" \/>Ambient temperature:-40~+40\u2103<br data-filtered=\"filtered\" \/>Altitude:LB7-220(W1,W2,W3) less than 1000m<br data-filtered=\"filtered\" \/>LB7-220GY(W2) less than 3000m<br data-filtered=\"filtered\" \/>Environment pollutionlevel:\u2161I\u3001\u2162I\u3001IV<\/p>\n<p><strong>System condition<\/strong><br data-filtered=\"filtered\" \/>System Rated Voltage:220kV System Highest Voltage:252kV<br data-filtered=\"filtered\" \/>System Rated frequency:50Hz or 60Hz<br data-filtered=\"filtered\" \/>System neutral earthing method: effectively earthed<\/p>\n<p><strong>Structure feature<\/strong><br data-filtered=\"filtered\" \/>It is oil\/paper insulation system, the primary insulationis wound from high voltage cable paper, and is placed several capacitor screen of voltage divisionin the primary insulation, which can improve electric field distributing and decrease the consumption ofinsulation material. It will be immersed with transformer oil after desiccating under vacuum. It has advantages of stable and reliable performance ofinsulation,<br data-filtered=\"filtered\" \/>rich successful experience, along life time and convenient maintenance.<br data-filtered=\"filtered\" \/>\u2022 Perfect fluidity performance of transfonmer oil is good for heat dissipation, it also has self recover ability for the failure of partial discharge caused by air bubble and dust.<br data-filtered=\"filtered\" \/>\u2022The current ratio can be changed easily by change the connection method of connecting plate on series or parallel connection.<br data-filtered=\"filtered\" \/>\u2022 Hermetically sealed stainless steel metallic bellows is installed on the top, which protects the trans former oil from moisture and extend the life time, also there is a oil level gauge on the bellows for observing the changing of oil volume .<br data-filtered=\"filtered\" \/>\u2022 There is amulti function oil drain valve on the base, which makes it more convenient for sampling and draining.<br data-filtered=\"filtered\" \/>\u2022 There is a individual terminal of earth screen in the terminal box.\u00a0<br data-filtered=\"filtered\" \/>\u2022 If you have special requirement for our product, please add note explanation<\/p>\n","protected":false},"excerpt":{"rendered":"<h1 class=\"e_text-4 s_title response-transition\">Outdoor Oil-Immersed Current Transformer<\/h1>\n<h1 class=\"e_text-4 s_title response-transition\">Outdoor\u00a0 Gas-Insulated Current Transformer<\/h1>\n<h1 class=\"e_text-4 s_title response-transition\">Outdoor Organic Composite Insulation Current Transformer<\/h1>\n","protected":false},"featured_media":290,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[55],"product_tag":[],"class_list":{"0":"post-289","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-products","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/product\/289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/comments?post=289"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/media\/290"}],"wp:attachment":[{"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/media?parent=289"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=289"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=289"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gd-penglong.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}