Why locked rotor protection is important for VFD pump inverter?

When a rotor is locked and still try to start operating, the amperage of the motor will rise dramatically. If there is no protection, the motor will be damaged or even be burned. VFD / VSD Constant Pressure Booster Pump Inverter with blocked rotor protection would detect the amperage of a motor during operation. If the amperage is higher than normal, the VFD / VSD Constant Pressure Booster Pump Inverter will stop the operation and show the warming signal for the technician to check and do the service.

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