List the characteristics of pump-specific motors in order to reduce the adverse consequences of design blind spots.
Pump load introduction
Pump-type dedicated motors have two types of application structure, horizontal and vertical, with three major technical features:
The starting torque is relatively small,Starts relatively infrequently,Continuous running time is relatively long.
Generally, pump motors are mostly asynchronous motors or synchronous motors with squirrel-cage rotors. The power of the motor is greater than the shaft power by one level. The number of motor poles used is closely related to the pump head and flow.
If the shaft power is 22kW, choose a 30kW motor; 2-pole motors are generally used when the head is slightly high and the flow is not large; when the flow is large and the head is small, a 4-pole motor can be selected; for large flow and low head, 4 or 6 poles Motor.
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