Method and device for detecting overload capacity of natural ester insulating oil transformer
The invention discloses a method and device for detecting the overload capacity of a natural ester insulating oil transformer. The method comprises the steps that S100, rated current is applied on the premise that the top oil temperature rise and the average oil temperature rise are stable, so that...
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| creator | QI QINGFENG DENG XIANSHENG YUAN TIAN GONG YUJIA HU JIANGFENG YING SI LI JINGQI YANG GUOTAI FAN FAN WANG XINSHENG HUANG XIAOHUA CAI SHENGWEI ZHANG CHUNLONG WEI ZHIXIONG TANG FANG YAO YIXIN WU GANG |
| description | The invention discloses a method and device for detecting the overload capacity of a natural ester insulating oil transformer. The method comprises the steps that S100, rated current is applied on the premise that the top oil temperature rise and the average oil temperature rise are stable, so that the load capacity of the natural ester insulating oil transformer to be detected is detected; s200, after the load capacity detection is passed, applying a first-stage overload current to the to-be-detected natural ester insulating oil transformer so as to carry out primary detection on the overload capacity of the to-be-detected natural ester insulating oil transformer; and S300, after the primary detection of the overload capacity passes, applying a second-stage overload current to the to-be-detected natural ester insulating oil transformer so as to detect the overload capacity of the to-be-detected natural ester insulating oil transformer again, and after the secondary detection of the overload capacity passes, |
| format | Patent |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Method and device for detecting overload capacity of natural ester insulating oil transformer |
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