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Motor Phase Failure Protector (1)

2016-09-04 18:59  
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Motor Phase Failure Protector (1)
When Q1 is connected and S2 is pushed, KM begins to work. KM KM2 are connected. If Q2 is connected, M will begin to work. When M begins to work, TA1-TA3 will generate 6V voltage. K1-K3 begin to work and K1-K3 are connected. When S2 is released, KM remains connected. HL is illuminated and the motor keeps working. When there is phase failure, KM is disconnected and M's power is cut off.