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DL/T 474.1-2018 (DLT 474.1-2018)

DL/T 474.1-2018_English: PDF (DLT474.1-2018)
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DL/T 474.1-2018English259 Add to Cart 3 days Guide for insulation test on site Insulation resistance, dielectric absorption ratio and polarization index test DL/T 474.1-2018 Valid DL/T 474.1-2018

BASIC DATA
Standard ID DL/T 474.1-2018 (DL/T474.1-2018)
Description (Translated English) Guide for insulation test on site Insulation resistance, dielectric 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 11,144
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Older Standard (superseded by this standard) DL/T 474.1-2006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.