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In case different countries habitually use different calculation units, don't worry, here we summarize the common unit conversions as follows:
The power consumption of the pump does not depend on the power of the pump motor, but the shaft power of the pump.
Both pumps are equipped with a 30kw motor. The shaft power of one pump is 20.56kw and the other is 25.18kw. Obviously, 20.56kw is more energy-efficient. The key to the size of the shaft power depends on the overall efficiency of the pump.