On-site processing method for improving power factor of low-voltage asynchronous motor and saving electricity
An asynchronous motor and power factor technology, which is applied to asynchronous induction motors, motor control, electric components, etc., can solve the problems of insufficient circuit safety and low power factor of asynchronous motors, so as to reduce reactive power loss and avoid low and good power factor. Effects of running characteristics
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[0026] A method for improving the power factor of a low-voltage asynchronous motor, comprising the steps of:
[0027] Step 1. Install a centrifugal switch on the motor running circuit;
[0028] Step 2, connecting the starting capacitor in series on the centrifugal switch circuit;
[0029] Step 3, parallel running capacitors on the motor running circuit;
[0030] Step 4. Install the voltage regulator after the running capacitor and starting capacitor;
[0031] Step five, install primary and secondary windings on the motor running circuit.
[0032] In the present invention, when the rotational speed of the motor reaches about 80% of the rated rotational speed, the contact of the centrifugal switch will be disconnected, thereby cutting off the connection between the starting capacitor and the circuit. At this time, the motor current decreases, and the motor enters a normal In the running state, the starting capacitor only works during the starting process of the motor, and it ...
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