{"id":422892,"date":"2024-10-20T06:43:27","date_gmt":"2024-10-20T06:43:27","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-clc-ts-51643-322020-2\/"},"modified":"2024-10-26T12:36:45","modified_gmt":"2024-10-26T12:36:45","slug":"bsi-pd-clc-ts-51643-322020-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-clc-ts-51643-322020-2\/","title":{"rendered":"BSI PD CLC\/TS 51643-32:2020"},"content":{"rendered":"<p>This document describes the principles for selection, installation and coordination of SPDs intended for use in Photovoltaic (PV) systems up to 1500 V DC and for the AC side of the PV system rated up to 1000 V RMS 50\/60 Hz.<\/p>\n<p>The photovoltaic installation extends from a PV array or a set of interconnected PV-modules to include the associated cabling and protective devices and the converter up to the connection point in the distribution board or the utility supply point.<\/p>\n<p>This document considers SPDs used in different locations and in different kinds of PV systems:<\/p>\n<ul>\n<li>\n<p>PV systems located on the top of a building;<\/p>\n<\/li>\n<li>\n<p>PV systems located on the ground like free field power plants characterized by multiple earthing and a meshed earthing system.<\/p>\n<\/li>\n<\/ul>\n<p>The term PV installation is used to refer to both kinds of PV systems. The term PV power plant is only used for extended free-field multi-earthed power systems located on the ground.<\/p>\n<p>For PV installations including batteries additional requirements could be necessary.<\/p>\n<blockquote>\n<p>NOTE 1 The HD 60364 series, EN 62305 series and CLC\/TS 61643-12 also apply.<\/p>\n<\/blockquote>\n<blockquote>\n<p>NOTE 2 This document deals only with SPDs and not with surge protective components integrated inside equipment (e.g. inverters, (PCE) power conversion equipment).<\/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>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>4 Systems and equipment to be protected  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5 Overvoltages in a PV installation <br \/> 6 Selection and erection of SPDs <br \/> 6.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>6.2 Requirements for different PV installations <br \/> 6.2.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>6.2.2 PV installation without an external LPS <br \/> 6.2.3 PV installation with an external LPS when the separation distance (s) is maintained (excluding multi-earthed solar systems, such as PV power plants)  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>6.2.4 PV installation with an external LPS where the separation distance (s) cannot be maintained (including multi-earthed systems, such as PV power plants) <br \/> 6.2.5 PV installation including communication and signalling circuits  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>6.3 Selection and erection of SPDs installed on the AC side <br \/> 6.3.1 General <br \/> 6.3.2 Selection of SPDs with regard to nominal discharge current In and impulse current Iimp <br \/> 6.3.3 Selection of SPDs with regard to voltage protection level Up <br \/> 6.3.4 Installation of SPDs on the AC side  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>6.4 Selection and erection of SPDs installed on the DC side <br \/> 6.4.1 General <br \/> 6.4.2 Selection of SPDs with regard to nominal discharge current In and impulse current Iimp <br \/> 6.4.3 Selection of UCPV of SPDs on the DC side <br \/> 6.4.4 Selection of SPDs with regard to its leakage current IPE <br \/> 6.4.5 Selection of SPDs with regard to voltage protection level Up  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>6.4.6 Installation of SPDs on the DC side  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>6.4.7 Cross-sections of connecting conductors for SPDs on the DC side  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>6.4.8 Connection schemes of assemblies of SPDs on the DC side.  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>6.4.9 Selection of ISCPV of SPDs on the DC side  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>6.5 Coordination of SPDs <br \/> 7 Earthing Arrangement  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>8 Requirements for the installation of surge protective devices (SPDs) in a PV system <br \/> 9 Maintenance  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Annex A (normative)Determination of the value of Iimp or In for SPDs according to the simplified approach for different structures protected by an LPS <br \/> A.1 Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>A.2 Building with a PV installation on the roof according to 6.2.4  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>A.3 Free- field PV power plant  <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>A.4 Selection of Type 1 SPDs impulse current Iimp when A.2 or A.3 cannot be applied.  <\/td>\n<\/tr>\n<tr>\n<td><b>37<b><\/td>\n<td>Annex B (informative)Characteristics of a PV source <br \/> B.1 PV source characteristics  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>B.2 Calculation of UOC MAX <br \/> B.3 Calculation of ISC MAX  <\/td>\n<\/tr>\n<tr>\n<td><b>41<b><\/td>\n<td>Annex C (informative)Additional information to Clause 6: Selection and erection of SPDs and to Clause 7: Earthing Arrangement <br \/> C.1 PV installation including communication and signalling circuits  <\/td>\n<\/tr>\n<tr>\n<td><b>43<b><\/td>\n<td>C.2 PV installation and dimensions of equipotential bonding conductors  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Low-voltage surge protective devices &#8211; Surge protective devices connected to the DC side of photovoltaic installations. Selection and application principles<\/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>2020<\/td>\n<td>48<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":422902,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[511,2641],"product_tag":[],"class_list":{"0":"post-422892","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-120-50","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/422892","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\/422902"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=422892"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=422892"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=422892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}