The threshold voltage is set by output channel comprised of pulse generator, photoelectric coupler and F/V converter, and the detection result is input through photoelectric coupler.
利用可变频脉冲发生器、光电耦合器和F/V转换器组成输出通道，设定阀值；
The generator embodies an integrator as a ramp generator and a threshold detector with hysterisis as a reset circuit.
此电路用积分器产生斜坡信号，用阈值检测器作为复位电路。
A revised formula for calculating the stability threshold speed of turbine-generator bearings is presented.
对现用的汽轮发电机组轴承失稳转速的计算公式进行了修正，提出了修正公式。
A revised formula for calculating the stability threshold speed of turbine-generator bearings is presented.
对现用的汽轮发电机组轴承失稳转速的计算公式进行了修正，提出了修正公式。
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