数据采集卡采集程控电源的输出以实现对程控电源的闭环控制，采集发电机控制器和汇流条功率控制器的保护信号以计算延时时间。
Data acquisition card collects data about the power output to realize a close-loop control, and protection signal of the two controllers to compute the delay time.
因此，电压经过ESD保护二极管D1A 和D1B接近0V，二极管漏电流均不影响 传感器输出信号。
Thus, the voltage across ESD-protection diode D1A or D1B approaches 0V, and neither diode's leakage current affects the sensor's output signal.
用断相保护继电器获取断相信号，据输出电压变化构成断相保护电路实现保护。
Short-phase relay obtains short-phase signal, short-phase protection circuit was formed according to change of output voltage to realize short-phase protection.
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