{"id":250183,"date":"2024-10-19T16:30:04","date_gmt":"2024-10-19T16:30:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-50152-3-22016\/"},"modified":"2024-10-25T11:43:15","modified_gmt":"2024-10-25T11:43:15","slug":"bs-en-50152-3-22016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-50152-3-22016\/","title":{"rendered":"BS EN 50152-3-2:2016"},"content":{"rendered":"<p>This <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;50152\u20113\u20112<\/span> <\/span> is applicable to new current transformers which are:<\/p>\n<ul>\n<li>\n<p>intended for use in indoor or outdoor fixed installations in tractions systems, and<\/p>\n<\/li>\n<li>\n<p>operated with an a.c. line voltage and frequency as specified in <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;50163<\/span> <\/span>.<\/p>\n<\/li>\n<\/ul>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;1\n <\/div>\n<p><span class=\"std\"> <span class=\"std-ref\">EN&nbsp;50163<\/span> <\/span> specifies the a.c. traction systems 15&nbsp;kV 16,7&nbsp;Hz and 25&nbsp;kV 50&nbsp;Hz.<\/p>\n<\/div>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;2\n <\/div>\n<p>As rails of a.c. traction systems are typically connected to earth and included in the return current path, all phase to earth voltages are subject to the limits as given in <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;50163<\/span> <\/span>. Nevertheless conductor to conductor voltages are some times higher e.g. in autotransformer systems.<\/p>\n<\/div>\n<p>Current transformers are mainly used with:<\/p>\n<ul>\n<li>\n<p>measuring instruments,<\/p>\n<\/li>\n<li>\n<p>protective devices.<\/p>\n<\/li>\n<\/ul>\n<p>This <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;50152\u20113\u20112<\/span> <\/span> also applies to current transformers other than inductive types as far as reasonably possible. Requirements of this <span class=\"std\"> <span class=\"std-ref\">EN&nbsp;50152\u20113\u20112<\/span> <\/span> have priority.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;3\n <\/div>\n<p>Combined current and voltage transformers are typically not used in fixed installations in traction systems.<\/p>\n<\/div>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>Contents Page  <\/td>\n<\/tr>\n<tr>\n<td><b>5<b><\/td>\n<td>European foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms, definitions and abbreviations <br \/> 3.1 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>3.2 Abbreviations  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>4 Service conditions <br \/> 5 Rating <br \/> 5.1 General <br \/> 5.2 Nominal voltage (Un) <br \/> 5.3 Rated voltage (UNe) <br \/> 5.4 Insulation coordination <br \/> 5.4.1 General <br \/> 5.4.2 Rated insulation level  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>Table 1 \u2014 Nominal voltages (Un), rated voltages (UNe), rated impulse voltages (UNi) and power-frequency withstand voltage (Ud) for circuits connected to the contact line <br \/> 5.5 Rated frequency <br \/> 5.6 Rated accuracy classes <br \/> 6 Design and construction <br \/> 6.1 General <br \/> 6.2 Transformer construction  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>6.3 Requirements for the external insulation <br \/> 6.4 Electromagnetic compatibility (EMC) <br \/> 6.5 Nameplates <br \/> 7 Tests <br \/> 7.1 General <br \/> 7.2 Electromagnetic compatibility tests (EMC) <br \/> 7.3 Partial discharge test <br \/> Table 2 \u2014 Partial discharge test voltages and permissible levels for current transformers with solid insulation <br \/> 8 Rules for transport, storage, erection, operation and maintenance  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>9 Safety <br \/> 10 Influence of the product on the environment <br \/> 11 Information to be given with enquiries, tenders and orders  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Railway applications. Fixed installations. Particular requirements for a.c. switchgear &#8211; Measurement, control and protection devices for specific use in a.c. traction systems. Current transformers<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2016<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":250185,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-250183","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/250183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/250185"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=250183"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=250183"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=250183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}