DL/T 557-2005Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V-impulse puncture tests in air (English PDF)
高压线路绝缘子空气中冲击击穿试验―定义、试验方法和判据
DL/T 557 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| DL/T 557-2021 | Impulse puncture tests in air on insulators for overhead lines — Definitions, test methods and acceptance criteria | Valid |
| DL/T 557-2005 | Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V-impulse puncture tests in air | Obsolete |
DL/T 557-2005 is obsolete. It has been replaced by DL/T 557-2021. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Electric Power Industry Technical Committee on High-voltage Testing Technology
Level / Type
National · Recommended
Issue date
February 14, 2005
Implementation date
June 1, 2005
Scope
DL/T 557-2005 is the English-translated version of 高压线路绝缘子空气中冲击击穿试验―定义、试验方法和判据.
DL/T 557-2005 is the Chinese industry standard "Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V-impulse puncture tests in air".
It was issued on February 14, 2005 by Electric Power Industry Technical Committee on High-voltage Testing Technology, and took effect on June 1, 2005. It is obsolete: it has been replaced by DL/T 557-2021.
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Document preview — DL/T 557-2005
National Standard of the People's Republic of China
Issued by: Electric Power Industry Technical Committee on High-voltage Testing Technology
Contents
- Document data
1 Document data
Sector: Electricity & Power (industry standard).
Issuing body: Electric Power Industry Technical Committee on High-voltage Testing Technology.
Date of issue: 2005-02-14.
Date of implementation: 2005-06-01.
Status: obsolete, replaced by DL/T 557-2021.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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