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發(fā)電機(jī)

柴油發(fā)電機(jī)輸出電壓不平衡的三大原因

發(fā)布日期:2022-10-09 點(diǎn)擊率:25

        柴油發(fā)電機(jī)組輸出電壓不平衡原因有三:

  1、三相負(fù)載不平衡。

  2、發(fā)電機(jī)繞組有輕微短路。

  3、發(fā)電機(jī)制造缺陷(三相繞組匝數(shù)不相等)。

  此時(shí)還有可能會(huì)出現(xiàn)如下情況:

  1、發(fā)電機(jī)組輸出功率下降,達(dá)不到用戶的功率要求

  2、三相電壓不對(duì)稱,使發(fā)電機(jī)組中性點(diǎn)電位產(chǎn)生位移

  3、中性電流過大,使配電變壓器運(yùn)行溫度升高,嚴(yán)重時(shí)會(huì)將變壓器燒壞

  4、使有的相電壓高,另外的相電壓降低

  5、燒壞發(fā)電機(jī),影響正常供電

  所以,柴油發(fā)電機(jī)組使用中一定要注意,不能三相不平衡,若不能改變它的輸出功率,則需選擇更換接線方式,以防造成發(fā)電機(jī)組損壞。

標(biāo)簽:柴油發(fā)電機(jī)輸出電壓不平衡的三大原因  

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