DL/T 474.4-2018
Guide for insulation test on site AC voltage withstanding test (English Version)

Standard No.

DL/T 474.4-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

Professional Standard - Electricity

Latest

DL/T 474.4-2018

Replace

DL/T 474.4-2006

Scope

This standard proposes some technical details such as test wiring, test equipment, test methods and precautions involved in the AC withstand voltage test of high-voltage electrical equipment. This standard is applicable to AC withstand voltage tests on high-voltage electrical equipment under conditions such as power plants, substations, repair workshops, and laboratories.

DL/T 474.4-2018 history

• 2018 DL/T 474.4-2018 Guide for insulation test on site AC voltage withstanding test
• 2006 DL/T 474.4-2006 Guide for insulation test on site AC voltage withstanding test
• 1992 DL 474.4-1992 Guidelines for Implementation of On-Site Insulation Tests AC Withstand Voltage Test