How to deal with the failure of single-phase asynchronous motor? Where to start? Today, Dalan Motor manufacturers will share an easy-to-understand and practical formula for everyone to learn from.
1. The reason and determination method of capacitor starting single-phase motor not starting
It is necessary to analyze the capacitor starting motor without turning on the power.
Listen to the sound of the motor, there are one of five reasons.
The load is too heavy to drag; the power supply voltage is too low;
The centrifugal switch is not closed, the circuit is not in a hurry;
The main and auxiliary windings are broken; capacitors are often damaged.
Remove the load and turn on the power, take a look at the shaft by hand.
Four reasons can be judged when the rotor turns up.
The load, open circuit, capacitor is broken, and the centrifugal switch has not been restored.
Finding test lamps for circuit breaking, resistance measurement is also feasible.
The electric meter measures the voltage value and observes to find out the heavy load.
Meter measurement discharge method, the quality of the capacitor can be determined.
2. The reason and determination method of single-value capacitor single-phase motor not starting
For single-value capacitor motors, analysis is required if the power is not turned.
Listen to the sound of the motor, there are one of four reasons.
The main and auxiliary windings are open; the power supply voltage is too low;
The load is too heavy to drag; capacitors are often damaged.
It is not difficult to determine the method, the capacitor starting is the same.
3. The reason and determination method of the shaded pole (shielded pole) single-phase motor does not start
The shaded pole starts the motor, and it is necessary to analyze if it is turned on.
Listening to the sound of the motor, there are one of three reasons.
The starting winding is broken; the overload voltage is low;
To check that the winding is broken, the motor is generally disassembled.
Through the explanation of the above Dalan motor manufacturers, when the problem of single-phase motor failure occurs again next time, we will know how to solve it. It is recommended that friends read the recipe a few times, keeping in mind that there is a certain amount of maintenance for us Help.
----- Responsible Editor: Dalan Oil Pump Motor 02-Procurement Consultant
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