What is the role of capacitors in electric fans? -Alice factory

2021/08/28

Electric fans usually have only one capacitor, which is the starting capacitor, because most electric fans are single-phase, and direct use of single-phase electricity cannot generate a sufficient starting magnetic field and cannot maintain good operation, so this type of motor generally has The two windings are the main winding and the auxiliary winding.

Electric fans usually have only one capacitor, which is the starting capacitor, because most electric fans are single-phase, and direct use of single-phase electricity cannot generate a sufficient starting magnetic field and cannot maintain good operation, so this type of motor generally has The two windings are the main winding and the auxiliary winding.

The main winding is directly incorporated into the circuit, and the auxiliary winding is serially connected to the circuit after passing through the capacitor.

How to connect electric fan capacitor

1. Use a multimeter to measure the resistance of any 2 of the 3 wires to find the maximum resistance and mark AC;

2. Connect the capacitor to AC;

3. Find out the 2 wires (AB or BC) with the smallest resistance value and connect them to the 220 power supply.


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