最后使用破坏性试验交流耐压试验方法检查，准确的判断了故障点，使之得以修复，提高了供电质量。
Finally using the destructive ac voltage testing method, accurately find the failure for repairing which improve the quality of power supply.
介绍一种调频串联谐振装置的原理及工作过程，并在高压交联聚乙烯（XLPE）绝缘电缆交流耐压试验中应用。
The principle and working process of a FM serial resonance device was introduced and its application no AC withstand voltage test of high voltage XLPE insulated cable was also discussed.
并介绍目前交流耐压试验设备及试验要求，提出今后的研究方向。
The paper also introduces AC voltage test equipment, test requirements and future development.
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