{"id":250182,"date":"2024-10-19T16:30:04","date_gmt":"2024-10-19T16:30:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-50152-3-32016\/"},"modified":"2024-10-25T11:43:14","modified_gmt":"2024-10-25T11:43:14","slug":"bs-en-50152-3-32016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-50152-3-32016\/","title":{"rendered":"BS EN 50152-3-3:2016"},"content":{"rendered":"<p>This EN&nbsp;50152-3-3 is applicable to new voltage 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 EN&nbsp;50163.<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>NOTE&nbsp;1 EN&nbsp;50163 specifies the a.c. traction systems 15&nbsp;kV 16,7&nbsp;Hz and 25&nbsp;kV 50&nbsp;Hz.<\/p>\n<\/blockquote>\n<blockquote>\n<p>NOTE&nbsp;2 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 EN&nbsp;50163. Nevertheless conductor to conductor voltages are some times higher e.g. in autotransformer systems.<\/p>\n<\/blockquote>\n<p>Voltage 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 EN&nbsp;50152-3-3 also applies to voltage transformers other than inductive types as far as reasonably possible. Requirements of this EN&nbsp;50152-3-3 have priority.<\/p>\n<blockquote>\n<p>NOTE&nbsp;3 Combined current and voltage transformers also capacitive voltage transformers are typically not used in fixed installations in traction systems.<\/p>\n<\/blockquote>\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 output <br \/> 5.7 Rated accuracy class <br \/> 5.8 Standard values of rated voltages <br \/> 5.9 Standard values of rated voltage factor  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>5.10  Ferroresonance <br \/> 6 Design and construction <br \/> 6.1 General <br \/> 6.2 Transformer construction <br \/> 6.3 Requirements for the external insulation <br \/> 6.4 Nameplates <br \/> 7 Tests <br \/> 7.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>7.2 Ferroresonance withstand test <br \/> 7.3 Partial discharge test <br \/> Table 2 \u2014 Partial discharge test voltages and permissible levels for voltage transformers with solid insulation <br \/> 8 Rules for transport, storage, erection, operation and maintenance <br \/> 9 Safety <br \/> 10 Influence of the product on the environment  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>11 Information to be given with enquiries, tenders and orders  <\/td>\n<\/tr>\n<tr>\n<td><b>14<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. Voltage 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":250184,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-250182","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\/250182","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\/250184"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=250182"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=250182"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=250182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}