高压直流试验是换流变压器的例行试验之一。

HVDC test is one of routine tests on the converter transformer.

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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.

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