Why over & low voltage protection is important for VFD pump inverter?

In some countries or areas, the electricity supply is not very stable. In those areas, during the period of electricity peak usage, the voltage might be much lower than what water pumps or VFD / VSD Constant Pressure Booster Pump Inverter can handle. On the other hand, when the total electricity usage is low in those areas, the voltage might be much higher than water pumps or VFD / VSD Constant Pressure Booster Pump Inverter can handle. Moreover, both over and low voltage electricity supply would damage water pumps and VFD / VSD Constant Pressure Booster Pump Inverter. Therefore, it is critical for VFD / VSD Constant Pressure Booster Pump Inverter to have over and low voltage protection.

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