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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DL/T 2557—2022 |
Guidelines for on-site testing of AC externally applied withstand voltage and partial discharge on the valve side of converter transformers {译} 换流变压器阀侧交流外施耐压及局部放电现场试验导则 |
China Electricity Industry
Standards Guidelines site testing |
 English PDF |
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