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DL/T 352-2019Guidelines for maintenance of HVDC switches (English PDF)

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

November 4, 2019

Implementation date

May 1, 2020

Scope

DL/T 352-2019 (Guidelines for maintenance of HVDC switches) is available as an English-translated PDF.

DL/T 352-2019 — Guidelines for maintenance of HVDC switches

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Document preview — DL/T 352-2019

National Standard of the People's Republic of China

ICS: 29.040.01
Classification: F 23
Replacing: DL/T 352-2010

Issued by: National Energy Administration

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the maintenance items, cycle and technical requirements for DC circuit breakers of converter stations based on high-power thyristors of degC400kV and above. This standard is applicable to the on-site daily inspection and routine inspection of five types of DC circuit breakers, such as neutral bus switch, metal return transfer switch, neutral bus grounding switch, earth return transfer switch and bypass switch, which cut off the load current when switching operation modes. Overhaul, special overhaul. This standard does not apply to flexible DC transmission circuit breakers that directly cut off DC fault currents.

Document data

International classification (ICS): 29.040.01.

Chinese classification (CCS): F23.

Estimated length of the Chinese original: 17,124 words.

Supersedes the earlier edition DL/T 352-2010.

Standards quoted by this document

GB/T 1984; GB 26860; DL/T 273-2012; DL/T 345; DL/T 596-1996; DL/T 664

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

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