Why dry running protection is important for VFD pump inverter?

Dry Pump Protection should be integrated into a variable frequency drive (VFD) / variable speed drive (VSD) Constant Pressure Pump Inverter, relate to situations where the pump runs without enough water supply – for example, when the city water supply is cut off. In this situation, the drive sets off an alarm, shuts off the pump, or performs another pre-programmed action, in order to stop the pump from dry-running and prevent damaging the bearing or even the motor.

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