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DL/T 474.1-2018

Chinese Standard: 'DL/T 474.1-2018'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
DL/T 474.1-2018English229 Add to Cart Days<=3 Guide for insulation test on site Insulation resistance, dielectric absorption ratio and polarization index test Valid DL/T 474.1-2018
DL/T 474.1-2018Chinese18 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]  

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Detail Information of DL/T 474.1-2018; DL/T474.1-2018
Description (Translated English): (On-site insulation test implementation guidelines Insulation resistance, absorption ratio and polarization index test)
Sector / Industry: Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard: E38
Classification of International Standard: 29.040.10
Word Count Estimation: 11,182
Date of Issue: 2018-04-03
Date of Implementation: 2018-07-01
Older Standard (superseded by this standard): DL/T 474.1-2006
Quoted Standard: GB/T 6451; DL/T 596; JJG 622
Drafting Organization: North China Electric Power Research Institute Co., Ltd.
Administrative Organization: Power Industry High Voltage Test Technology Standardization Technical Committee
Regulation (derived from): National Energy Administration Announcement No.4 of 2018
Summary: This standard specifies the technical requirements for instrument selection, test methods, precautions and judgment principles related to insulation resistance, absorption ratio and polarization index test. This standard is applicable to insulation resistance, absorption ratio and polarization index test of high and low voltage electrical equipment insulation in power plants, substations, power lines, etc., and in repair workshops and laboratories.

Related standard:   DL/T 474.2-2018  DL/T 474.3-2018
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