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Q : Once the frequency exceeds 31hz, the output current surges, resulting in overcurrent and overload fault
A: Gd200a drives 380V 50Hz motor.
When the 380V 50Hz motor runs to 31hz, the corresponding output voltage is 236v. If the current surges beyond this voltage, it can be judged that the motor is 220V. Use 220V inverter or change the motor winding connection method.
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