Efficiency and power, as important parameters of motor products, are often used as the basis for selection; So in the three-phase asynchronous motor products, what is the relationship between the two? Here is a simple understanding with Senli Motor Xiaobian.

       The efficiency and power factors of the motor are contradictory and the sameThree-phase asynchronous motor, high efficiency, low power factor, conversely, low efficiency, high power factor;

       High power, good for motor use; Low power factor will reduce the transmission efficiency of the grid, because the power factor is low, so the reactive power loss of the grid is large. But for AC motor loss is resistive. In the power trianglePThe greater the power factor AngleφThe smaller the power factorcosφThe bigger. On the contrary, the efficiency is high, indicating that the loss is small, in the power trianglePAlso the smaller the power factor AngleφBecomes smaller, power factorcosφSmaller.

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