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The cause of excessive fan motor load.
Source: | Author:佚名 | 時間 :2022-01-20 | 614 Views | Share:
The fan is usually the wind hood, motor and wind leaf of three parts, including motor as outer substructure, exterior rotor motor compared with the inner rotor motor its advantage lies in the structure stability, good protection, little vibration, low noise, reliable running. But due to the high power high speed for a long time, often can appear the motor load is too large, if special electric fan captain time in the high load condition, can cause irreparable damage to the motor.

The fan is usually the wind hood, motor and wind leaf of three parts, including motor as outer substructure, exterior rotor motor compared with the inner rotor motor its advantage lies in the structure stability, good protection, little vibration, low noise, reliable running. But due to the high power high speed for a long time, often can appear the motor load is too large, if special electric fan captain time in the high load condition, can cause irreparable damage to the motor. 

       

Fan motor high cause load roughly divided into the following several ways:


1. Caused by drag by mechanical equipment. Such as irrigation and drainage machinery waterway jam, different heart, such as crankshaft, causing the motor load is too large, or blocked.


2. Due to the motor itself caused by poor working conditions. Such as ventilation is not good, the environment temperature is too high, the mechanical parts of the motor fault causes of motor overheating, such as insulation level is reduced, or even short circuit.


3. The other is the poor quality of power grid, such as low voltage, three-phase imbalance causes of motor current is added, etc.


  

Products used in our daily life is everywhere, our social productive forces development cannot leave the motor products, but is bothering a lot of people in the motor fault should how to solve? Then by the fan motor manufacturer small make up to explain the special fan motor for you when the fault should be how to solve.


1, the spring pressure uneven brush: appropriate adjust the spring pressure, keep the pressure of each brush in 1.47 x 104 ~ 2.45 x 104 pa, can also be used by hand feeling.


2, brush frame center position is wrong: mobile brush holder, choose good spark location.


3, the voltage is too high: well adjusted to the rating voltage.


4, the armature winding circuit: open motor, check the armature winding, using millivoltmeter to find open circuit, without welding will rewind.


Mica between commutation of 5, did not pull net: hand using a cutter to the rest of the mica.


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