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116问答网 > 两路380V电源并列之前，为什么要先进行核相？

两路380V电源并列之前，为什么要先进行核相？

两路380V电源并列之前，为什么要先进行核相？

2024-10-31 04:29:24

推荐回答（2个）

回答1：

异相并列相当于相间短路，将会烧毁线路上的电气设备，所以必须先进行核相。低压核相如果没有核相仪的话可以直接用万用表测两线路的电压差来判断，电压差为380V左右即为异相，电压差为0V左右就是同相。我公司生产的TAG-8600无线语音高压核相仪专门为电力系统核相而设计，能在5V-500kV的电压范围内使用，并能语音播报核相结果，操作简便，准确度高，值得信赖。我公司专业研发生产各类高低压试验设备，有兴趣也可以到我公司官网互相探讨。

回答2：

如相序不相同会引起严重短路。影响安全供电。

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