The principle and method of measuring the internal temperature of insulator of online HV equipment by optical temperature sensor is described, and the advantages of the method in practice are given.

讲述了光纤温度传感器用于在线测量高压电气设备内部绝缘温度的原理和方法，并说明这种测量方法在实际应用中的意义。

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In this paper a type of low current sensor based on zero flux compensation is described. The current sensor is specially designed for on line monitoring of HV apparatus.

研制了一种用于高压电容性设备在线监测的穿心式高精度微电流传感器。

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And in April, Toyota recalled 214, 000 RAV4s and 94, 000 Highlander and Highlander HV vehicles for airbag sensor problems and another 51, 000 of its Tundra trucks to inspect their rear drive shafts, according to the company.

FORBES: Toyota and Lexus Hybrids Recalled