KL-25 type automatic thyristor excitation device circuit

Posted on Mar 28, 2007

Circuit shown in Figure 7-32. The excitation device is suitable for terminal voltage of 400V, a capacity of less than 75kW synchronous generator motor for automatic adjustment

KL-25 type automatic thyristor excitation device circuit
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of excitation. Figure, SB Kai Lai button when the generator is pulled to the rated speed of the prime mover, short press the SB, to make electricity to build several self-stimulation voltage; RPi manual regulator potentiometer, RPi reduced ( or increase), the generator voltage drop (or rise Fan). Adjusting RP2, adjustable sensitivity of the device. If the excitation oscillation, can reduce sensitivity try. Shutdown, the switch SA cutoff, trigger circuit loses power, you can achieve generator de-excitation.

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