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DL/T 2109-2020 English PDF

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DL/T 2109-2020: Selection and application guide of polymer-housed metal oxide surge arresters with external series gap for DC power transmission lines
Status: Valid
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DL/T 2109-2020English739 Add to Cart 5 days [Need to translate] Selection and application guide of polymer-housed metal oxide surge arresters with external series gap for DC power transmission lines Valid DL/T 2109-2020

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Basic data

Standard ID DL/T 2109-2020 (DL/T2109-2020)
Description (Translated English) Selection and application guide of polymer-housed metal oxide surge arresters with external series gap for DC power transmission lines
Sector / Industry Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard K49
Classification of International Standard 29.240.99
Word Count Estimation 32,391
Date of Issue 2020-10-23
Date of Implementation 2021-02-01
Quoted Standard GB/T 311.1-2012; GB/T 311.2-2013; GB/T 4585-2004; GB/T 7354; GB/T 11032-2010; GB/T 16927.1; GB/T 19519; GB/T 21429; GB/T 24842; GB/T 26218.1-2010; GB/T 32520-2016; GB/T 50064; DL/T 804; DL/T 815-2012; DL/T 1676; JB/T 8177; JB/T 8459; JB/T 10497; IEC 60099
Regulation (derived from) National Energy Administration Announcement No. 5 (2020)
Issuing agency(ies) National Energy Administration
Summary This standard specifies the marking and classification, standard ratings, operating conditions, general selection procedures, parameter selection and technical requirements, inspection, installation, etc. of metal oxide surge arresters with external series gaps in composite jackets for DC transmission lines. This standard applies to metal oxide surge arresters with external series gaps in composite jackets for DC transmission lines with a system rated voltage of ��400kV����1100kV. This lightning arrester is only used to protect line insulation [including insulators (strings) and air gaps] to prevent flashover or breakdown caused by lightning, and should not act under operating overvoltages. Composite jacket with external series gap metal oxide for DC transmission systems of other voltage levels

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