But because of various reasons, the equipment defect management in most power plants remains manual management mode now, even with computers, the current situation is still less than satisfactory.
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。
3
Then comes the introduction of the relative theories on the embedded mobile database (EMDB) and power line patrolling flow and the defect disposal method in detail.