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本站關鍵詞: YE3系列三相異步電機,       YD系列變極多速三相異步電動機,       YVFE2系列變頻調速三相異步電動機,      

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電 機 進 水 后 怎 么 處 理

  • 發布日期:2021-07-29 總瀏覽:



電 機 進 水 后 怎 么 處 理


 電機種類凡多,只要電機進水一般都不會因進水損壞,只是絕緣程度會大大降低。

 不論什么類型電機進水的修理過程大體相似。即拆開電機進行烘干處理。

 今天咱以三相異步電機為例:如果電機被洪水浸泡多日,很可能電機腔內會進入大量泥沙,打開電機抽出轉子注意,不要碰到電機繞組,以免造成二次傷害。

 沖劇干凈后,首先用萬用表1K10K檔測其對地絕緣、相間絕緣,這時千萬不可以用搖表測量,因為500兆歐的搖表就輸出500的直流電壓很可能會擊穿進水電機的繞組絕緣,造成雪上加霜。

 不論測絕緣高低都下應放棄,丶病馬當作好馬醫。

 進水的電機要進行烘干處理,烘的方法很多,熱風機、燈炮、或在夏天的大陽下爆曬、當然用烘箱更好。但溫度不可太高,一般恒溫保持60度為宜。

 確認烘干后可以用500伏搖表測其對地及相間絕緣,如果對地及相間絕緣都達到0.5兆歐以上電機便可以投入使用,如果低于0.5兆歐就不可以投入使用。

How to deal with the water in the motor

There are many kinds of motors. As long as the motor enters the water, it will not be damaged by the water, but the insulation degree will be greatly reduced.

Regardless of the type of motor, the repair process for water ingress is generally similar. That is, disassemble the motor for drying.

Today, let's take the three-phase asynchronous motor as an example: if the motor is soaked in flood for many days, it is likely that a large amount of sediment will enter the motor cavity. Open the motor and draw out the rotor. Be careful not to touch the motor winding to avoid secondary injury.

After cleaning, first measure the ground insulation and phase to phase insulation with a multimeter at 1K or 10K. At this time, do not use a megger, because a 500 megohm megger will output 500 DC voltage, which is likely to break through the winding insulation of the water inlet motor, making it worse.

No matter how high or low the insulation is measured, you should give up and treat a sick horse as a good horse doctor.

There are many ways to dry the incoming motor, such as hot air blower, light bulb, or explosive drying in the summer sun. Of course, it is better to use an oven. However, the temperature should not be too high. Generally, the constant temperature should be kept at 60.

After confirmation, the insulation to ground and between phases can be measured with a 500 volt megger. If the insulation to ground and between phases reaches more than 0.5 megohm, the motor can be put into use. If it is less than 0.5 megohm, it can not be put into use.

How to deal with the water in the motor

There are many kinds of motors. As long as the motor enters the water, it will not be damaged by the water, but the insulation degree will be greatly reduced.

Regardless of the type of motor, the repair process for water ingress is generally similar. That is, disassemble the motor for drying.

Today, let's take the three-phase asynchronous motor as an example: if the motor is soaked in flood for many days, it is likely that a large amount of sediment will enter the motor cavity. Open the motor and draw out the rotor. Be careful not to touch the motor winding to avoid secondary injury.

After cleaning, first measure the ground insulation and phase to phase insulation with a multimeter at 1K or 10K. At this time, do not use a megger, because a 500 megohm megger will output 500 DC voltage, which is likely to break through the winding insulation of the water inlet motor, making it worse.

No matter how high or low the insulation is measured, you should give up and treat a sick horse as a good horse doctor.

There are many ways to dry the incoming motor, such as hot air blower, light bulb, or explosive drying in the summer sun. Of course, it is better to use an oven. However, the temperature should not be too high. Generally, the constant temperature should be kept at 60.

After confirmation, the insulation to ground and between phases can be measured with a 500 volt megger. If the insulation to ground and between phases reaches more than 0.5 megohm, the motor can be put into use. If it is less than 0.5 megohm, it can not be put into use.

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