The HVDC withstand voltage test can discover the defect of paper insulated cable efficiently, but it has limitation in discovering the defect of cross-linked polyethylene insulated power cable.

• 分析了高电压直流耐压试验可有效发现纸绝缘电缆缺陷,但在发现交联聚乙烯绝缘电力电缆缺陷方面有局限性。