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Measures to improve the efficiency of the motor

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Measures to improve the efficiency of the motor

Measures to improve the efficiency of the motor. The energy-saving of the motor is a systematic project involving the whole life cycle of the motor. From the design and manufacture of the motor to the selection, operation, adjustment, overhaul,and scrapping of the motor, the effect of the energy-saving measures should be considered from the entire life cycle of the motor. At home and abroad, we mainly consider improving the efficiency of the motor from the following aspects.


The design of an energy-saving motor refers to the use of modern design methods such as optimized design technology, new material technology, control technology, integration technology, test and detection technology to reduce the power loss of the motor, improve the efficiency of the motor, and design a highly efficient motor.
While converting electric energy into mechanical energy, the electric motor itself also consumes a part of energy. The typical AC motor loss can be divided into three parts: fixed loss, variable loss,, and stray loss. Variable losses are a function of load, including stator resistance loss (copper loss), rotor resistance loss, and brush resistance loss; fixed losses are independent of load, including core and mechanical loss. The iron loss is composed of hysteresis loss and eddy current loss, which is proportional to the voltage square. The hysteresis loss is also inversely proportional to the frequency. Other stray losses are mechanical loss and other losses, including bearing friction loss and fan. 

 

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Pub Time : 2019-08-28 09:17:39 >> News list
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