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蓄電池內部發生短路故障及處理方法

admin 2019-07-24

  蓄電池內部發生短路故障時,將出現以下現象:

  (1)電解液比重比正常電池低,開路電壓也比較低;


  (2)接進電路放電時,短路電池的電壓下降迅速;若和其他正常電池相串聯,短路電池的極板會出現深硫化現象,其正極板將由褐色變為棕黃色,而負極板則由淺灰色變為灰色。


  (3)充電時冒氣遲緩或不冒氣,電解液溫度高;


  此時,應針對造成短路的原因采用不同的處理方法:


  (1)假如是由于蓄電池底部沉積物過多而造成的短路,應使蓄電池完全放電,然后倒出電解液,用純水反復清洗之后再重新充電;


  (2)假如是由于極板彎曲而造成的短路,可以考慮在極板接觸的地方加插隔離板;


  (3)假如是由于鉛彈簧位移及極板和鉛襯造成的短路,只需糾正彈簧的位置即可


  


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