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DL/T 474.3-2018Guide for insulation test on site Dielectric dissipation 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 474.3-2018 (Guide for insulation test on site Dielectric dissipation test) is available as an English-translated PDF.

DL/T 474.3-2018 — This standard specifies the measurement method, test wiring and judgment criteria for the dielectric loss factor tan�� and capacitance of high-voltage power equipment.

It focuses on various influencing factors, possible errors and technical measures to reduce errors.

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Document preview — DL/T 474.3-2018

National Standard of the People's Republic of China

ICS: 29.040.10
Classification: E 38
Replacing: DL/T 474.3-2006

Issued by: National Energy Administration

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the measurement method, test wiring and judgment criteria for the dielectric loss factor tandegC and capacitance of high-voltage power equipment. It focuses on various influencing factors, possible errors and technical measures to reduce errors. This standard is applicable to the dielectric loss factor tan degC and capacitance of high voltage electrical equipment insulation under the conditions of power plants, substation sites and repair workshops, laboratories, etc.

Document data

International classification (ICS): 29.040.10.

Chinese classification (CCS): E38.

Estimated length of the Chinese original: 20,251 words.

Supersedes the earlier edition DL/T 474.3-2006.

Standards quoted by this document

GB/T 19749.1-2016; DL/T 596; DL/T 962

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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