Arrester should be in the thunderstorm season after a year to conduct a preventive test.
避雷器每年应在雷雨季节前后进行一次预防性试验。
For this problem, the paper puts forward a way of doing preventive test without disconnection.
针对这一问题，提出采用不拆头方法做预防性试验。
The judgment of transformer insulation condition, which is based on preventive test and DGA, has played an important role of accident prevention for a long time.
长期以来，根据预防性试验和油中溶解气体的气相色谱分析结果判断变压器的绝缘状况，对防止事故的发生起到了很大作用。
The Substation Electrical Testing Coach(EST-C1) is used for high voltage electrical equipment in substation or feeder station's preventive test and project's handing over test.
C1变电站电气试验车适用于电力变电站及电气化铁路牵引变电所的电力设备的工程交接试验及预防性试验。
Applying voltage into the bushing tap method for preventive test of converter transformer value side bushing in HVDC, especially in the future for UHV, will have better practical value.
末端加压法对高压直流输电系统所用换流变压器阀侧套管预防性试验，特别是将来特高压直流换流变压器阀侧套管预防性试验具有较高的实用价值。
Applying voltage into the bushing tap method for preventive test of converter transformer value side bushing in HVDC, especially in the future for UHV, will have better practical value.
末端加压法对高压直流输电系统所用换流变压器阀侧套管预防性试验，特别是将来特高压直流换流变压器阀侧套管预防性试验具有较高的实用价值。
应用推荐