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AC drive system


The system first rectifies the 600V AC power of the grid into 750V DC through the thyristor, filters the capacitor, and then uses the insulated gate bipolar transistor IGBT to complete the inverter process to obtain 600V, frequency 50-60Hz adjustable frequency AC power, to achieve the drilling rig drawworks, turntable mud The speed control and torque control of the pump and Song Zuan motor realize stepless speed regulation and meet the transmissi…


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