随着光纤技术的迅猛发展，利用光纤传输继电保护信号，已获得了业内人士的普遍欢迎。
With the development of fiber optic cable technology, transmitting relay protection signal through optic cable are getting more and more popular.
电容式电压互感器是广泛应用在国内外高压电网中的一种用以进行电能计量、电压丈量和继电保护的信号取样装置。
CVT is a signal sampling device which is widely used to carry out an energy metering, measuring voltage and relay protection in high-voltage power network at home and abroad.
继电保护装置是一种反应电力系统故障和不正常运行状念，并动作于断路器跳闸和发出信号的设备。
Relay protection is one of device to respond the fault and abnormal circulate situation of electric power system, to make the breaker action and to send out the signal.
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