For parallel centrifugal pumps, why is it necessary to start the high-power pump first and then the low-power pump?
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For parallel centrifugal pumps, why is it necessary to start the high-power pump first and then the low-power one?
Because when a motor starts, the starting current is very high, resulting in a significant voltage drop across the entire circuit at that moment. Starting the high-power pump first ensures that it operates when the circuit’s capacity is at its maximum, thereby minimizing the current and voltage drop during startup. The starting current of a low-power pump has little impact on the voltage drop in the circuit, so it can be started after the high-power pump has finished starting.
When loading the goods, load the larger items first and the smaller ones later
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