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启动机为什么会损坏?启动马达损坏症状有哪些? Why is the starter damaged? What are the symptoms of damaged starter motor?

作者:admin 浏览量:152 来源:本站 时间:2024-09-06 16:10:12

信息摘要:

柴油发电机组启动马达损坏的原因可能有以下几种:1、启动时间过长,没有按规定时间(约5s~10s)使用起动机,长时间在未查明原因情况下连续启动起动机。2、当电刷磨损到原长1/2时,应更换电刷。在维护起动机时,要定时对电刷高度和接触情况进行检查,发现问题及时排除,否则会造成起动机损坏。3、电磁开关触点接触不良、单向

柴油发电机组启动马达损坏的原因可能有以下几种:
1、启动时间过长,没有按规定时间(约5s~10s)使用起动机,长时间在未查明原因情况下连续启动起动机。
2、当电刷磨损到原长1/2时,应更换电刷。在维护起动机时,要定时对电刷高度和接触情况进行检查,发现问题及时排除,否则会造成起动机损坏。
3、电磁开关触点接触不良、单向齿、飞轮齿损坏。打铁线打铁不良等等都会造成起动机故障。
4、启动马达定子绕组短路、换向片损坏或者电刷粉尘造成短路、电枢局部短路、电刷磨损严重导致的接触不良、马达轴承磨损严重或者装配轴心线不直,转子拖壳、齿轮或皮带轮破裂等,其中一项出现问题都会造成马达无法启动。
启动马达损坏的常见症状有:
1、启动时无转动或转动缓慢。
2、启动时有异响。
3、启动时马达发热。
4、启动时电流过大。
5、启动无力。

There may be several reasons for damage to the starter motor, including:

1. The starting time is too long, and the starter is not used according to the prescribed time (about 5-10 seconds). The starter is continuously started for a long time without identifying the cause.

2. When the electric brush wears down to half of its original length, it should be replaced. When maintaining the starter motor, it is necessary to regularly check the height and contact of the electric brush, and promptly eliminate any problems found, otherwise it may cause damage to the starter motor.

3. Poor contact of electromagnetic switch contacts, damage to one-way teeth and flywheel teeth. Poor iron tapping and other issues can cause starter failure.

4. Short circuit of the stator winding of the starting motor, damage to the commutator or short circuit caused by brush dust, local short circuit of the armature, poor contact caused by severe brush wear, severe wear of the motor bearings or uneven assembly axis, rotor drag shell, gear or pulley rupture, etc., all of which can cause the motor to fail to start.

Common symptoms of damaged starter motors include:

1. No rotation or slow rotation during startup.

2. There is a strange noise when starting.

3. The motor heats up during startup.

4. Excessive current during startup.

5. Failed to start.


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