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Hubei Motor Factory: Application of high altitude environment to plateau special motor

author:xiaoE date:2021-07-16 16: 33

  It is reminded that the altitude has an adverse effect on the temperature rise of the plateau motor, the motor corona (high-voltage motor) and the motor commutation.

  The following is the impact of high altitude environment on the operation of plateau motors organized by the manufacturer of IMB plateau motors.

  (1) At high altitude, the greater the temperature rise of the motor, the lower the output power.But when the temperature decreases with the increase in altitude enough to compensate for the influence of altitude on temperature rise, the rated output power of the motor can be unchanged;

  (2) The YGKK plateau special high-voltage motor should take necessary anti-corona measures when used in the plateau;

  高原电机使用场所海拔高于1000米的电机。指根据国家行业标准:JB/T7573-94高原环境条件下电工产品通用技术条件规定高原电机又分很多级:它们分别是不超过2000米、3000米、4000米、5000米。

  The influence of the plateau environment on the plateau special motor mainly has the following aspects: 1. Causes the insulation strength to decrease: for every 1000 meters, the insulation strength will be reduced by 8-15%. 2. The breakdown voltage of the electrical gap decreases, so the electrical gap should be increased according to the altitude. 3. The initial voltage of the corona is reduced, and measures to prevent corona should be strengthened. 4. The cooling effect of the air medium decreases, the heat dissipation capacity decreases, and the temperature rise increases. For every 1000M increase, the temperature rise will increase by 3-10%, so the temperature rise limit must be revised.

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