Analyze the reasons why Industrial Fans do not rotate fast

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 In the hot summer, Industrial Fans play an unparalleled role in our lives. However, Industrial Fans will also malfunction after being used for a period of time. The most obvious thing is that the speed of the Industrial Fans slows down. There are many reasons why Industrial Fans rotate slowly, but in summary there are mainly four reasons.

Permanent Magnet Industrial Ceiling Fan

The speed regulator is broken. If you bought it new, it may be that the Industrial Fans speed regulator is broken. The bearing is short of oil. If the bearing of an Industrial Ceiling Fan is short of oil, you can add some oil (you must use butter). If there is a short circuit between turns, the motor will overheat and it will need to be wound from the beginning. To determine whether there is a problem with the bearing, you can listen to the sound.
If there is a problem with the bearing, call a professional repairman to repair it. The capacitance capacity decreases. Most household appliances are powered by a single-phase power supply. However, electrical appliances with motors must be powered by two-phase or more than two-phase power supplies. What should I do? The designer has already thought about connecting a large capacitor in parallel in a single-phase circuit.
Because the large capacitor has a hysteresis effect on the current in relation to the AC power supply (the circuit with the capacitor is 90 degrees behind the current of the circuit without the capacitor), in this way, the original one-phase input becomes two-phase, and the motor can work normally. The household appliances we use (single-phase) all use this principle.

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