Electrical submersible pump lifted Wells is the main high rate artificial lift method in the high water cut period, but it is difficult to determine the down hole failure during productions.
油田进入高含水期所采用的电潜泵作为增大排液量的方法，在生产过程中容易出现许多不易判断的井下故障。
Adopt magnetic induction control system of independent property right. It can effectively avoid electrical component deterioration and has lower failure rate.
采用拥有自主知识产权的磁感应可控制系统，有效方式电器元件的老化，故障率更低。
Conclusions The electric pollution can descend of electrical energy quality, lead to higher failure rate of medical equipment.
结论：电力污染使电能质量下降，导致医疗设备故障率升高。
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