Highland reaction! the electric motor also has?

Highland reaction! The Electric motor also has ?

why the general motor can not be used in highland areas, the answer to you

Highland reaction! We are all familiar with the fact that when we go to a higher altitude, many people will have plateau reaction, and electric motors are no exception.

Have you heard of plateau reaction of electric motors? What measures should we take to adjust the plateau reaction of electric motors?

The main characteristics of the plateau area are as follows;

1, the air pressure or air density is small.

2, the air temperature is lower, and the temperature varies widely.

3, the absolute humidity of the air is smaller.

4, solar radiation illumination is higher.

The oxygen content of the air at 5000m is only 53% of the oxygen content of the air at sea level. etc.

the altitude of the electric motor temperature rise, electric motor corona (high-voltage motor) and DC motor commutation have adverse effects.

The following three aspects should be noted.

(1) high altitude, the greater the motor temperature rise, the smaller the output power.

But when the temperature decreases with the rise of altitude enough to compensate for the effect of altitude on temperature rise, the rated output power of the motor can be unchanged;

(2) High-voltage motors should be used in the plateau to take anti-corona measures;

(3) altitude is not good for DC motor commutation,

pay attention to the choice of carbon brush material.

The plateau motor, refers to the use of places higher than 1000 meters above sea level motor.

According to the Chinese national industry standard: JB/T7573-94 plateau environmental conditions under the general technical conditions of electrical products plateau motor is divided into many levels: they are not more than 2000 meters, 3000 meters, 4000 meters, 5000 meters.

Plateau motor operating at high altitude, due to low air pressure, poor heat dissipation conditions, and loss will increase, the operating efficiency is reduced.

Therefore, the rated electromagnetic load and heat dissipation design of the same motor operating at different altitudes are different.

If the electric motor is not of high altitude, it is better to reduce the load appropriately.

Otherwise, the life and performance of the motor will be affected and even burned up in a short time.

Due to the characteristics of the plateau on the operation of the motor will bring the following adverse effects, because the surface in the design, manufacturing to take appropriate measures:

1, cause the insulation strength to reduce: every 1000 meters higher, the insulation strength to reduce 8-15%.

2, the breakdown voltage of the electrical gap decreases, so the electrical gap should be increased accordingly according to the altitude size.

3, the corona starting voltage is reduced, to strengthen the anti-corona measures.

4, the air medium cooling effect is reduced, the cooling capacity is reduced, the temperature rise is increased, every 1000M, the temperature rise is increased by 3-10%, so the temperature rise limit should be amended.

Electric motor from Dongchun motor company is not problem to using at highland Area.

Get a free quote from Dongchun motor

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