DL/T 1498.4-2017Technical specification for on-line monitoring device of transformation equipment--Part 4: On-line partial discharge monitoring device of gas insulated metal-enclosed switchgear based on ultra high frequency (English PDF)
变电设备在线监测装置技术规范 第4部分：气体绝缘金属封闭开关设备局部放电特高频在线监测装置
DL/T 1498.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| DL/T 1498.4-2025 | Technical specification for on-line monitoring device of transformation equipment - Part 4: On-line partial discharge monitoring device of gas insulated metal-enclosed switchgear based on ultra high frequency | Valid |
| DL/T 1498.4-2017 | Technical specification for on-line monitoring device of transformation equipment--Part 4: On-line partial discharge monitoring device of gas insulated metal-enclosed switchgear based on ultra high frequency | Obsolete |
DL/T 1498.4-2017 is obsolete. It has been replaced by DL/T 1498.4-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Energy Administration
Level / Type
National · Recommended
Issue date
August 2, 2017
Implementation date
December 1, 2017
Scope
DL/T 1498.4-2017 is the English-translated version of 变电设备在线监测装置技术规范 第4部分：气体绝缘金属封闭开关设备局部放电特高频在线监测装置.
DL/T 1498.4-2017 is the Chinese industry standard "Technical specification for on-line monitoring device of transformation equipment--Part 4: On-line partial discharge monitoring device of gas insulated metal-enclosed switchgear based on ultra high frequency".
It was issued on August 2, 2017 by the National Energy Administration, and took effect on December 1, 2017. It is obsolete: it has been replaced by DL/T 1498.4-2025.
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Document preview — DL/T 1498.4-2017
National Standard of the People's Republic of China
Issued by: National Energy Administration
Contents
- Document data
1 Document data
Sector: Electricity & Power (industry standard).
Issuing body: National Energy Administration.
Date of issue: 2017-08-02.
Date of implementation: 2017-12-01.
Status: obsolete, replaced by DL/T 1498.4-2025.
......
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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DL/T 1498.5-2019 — Technical specification for on-line monitoring device of transformation equipment. Part 5: On-line monitoring device of transformer core earthing current
DL/T 1498.3-2016 — Technical specification for on-line monitoring device of transformation equipment. Part 3: On-line insulation monitoring device of capacitive equipment and metal-oxide surge arrester
DL/T 1498.6-2025 — Technical Specifications for Online Monitoring Devices for Power Equipment - Part 6: Infrared Temperature Measurement Online Monitoring Devices
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