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DL/T 474.2-2018Guide for insulation test on site DC high voltage test (English PDF)

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

April 3, 2018

Implementation date

July 1, 2018

Scope

DL/T 474.2-2018 (Guide for insulation test on site DC high voltage test) is available as an English-translated PDF.

DL/T 474.2-2018 — This standard specifies the technical rules and precautions for the generation of test voltage, test wiring, selection of main components and test methods involved in the on-site DC high voltage test.

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Document preview — DL/T 474.2-2018

National Standard of the People's Republic of China

ICS: 29.040.10
Classification: E 38
Replacing: DL/T 474.2-2006

Issued by: National Energy Administration

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the technical rules and precautions for the generation of test voltage, test wiring, selection of main components and test methods involved in the on-site DC high voltage test. This standard is applicable to DC withstand voltage test and DC leakage current test of high voltage electrical equipment insulation in substation, power plant site and in repair workshop and laboratory conditions.

Document data

International classification (ICS): 29.040.10.

Chinese classification (CCS): E38.

Estimated length of the Chinese original: 12,174 words.

Supersedes the earlier edition DL/T 474.2-2006.

Standards quoted by this document

GB/T 16927.1; GB/T 16927.2

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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