Q : Why use GD20UL to drive the motor, consumes more electricity instead of saving energy?
A: The inverter itself needs to consume a part of energy. The inverter has a soft start function, which can reduce the starting impulse current of the motor; the frequency can be adjusted to realize the motor speed regulation. When using a inverter, the motor has been working at the rated frequency. In this case, energy saving cannot be achieved. When the water pump or fan is driven by frequency conversion, it can replace the valve to adjust the flow, which can save energy.
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