对地电压

/ duì dì diàn yā /

1
[电] voltage to earth
... voltage time-to-breakdown curve 击穿电压对击穿时间的关系曲线 voltage to earth 对地电压 voltage to frequency to voltage 电压-频率-电压 ...
2
voltage to ground
4、对地电压(voltage to ground)分以下两种情形： (1)被接地电路(a grounded circuit)：指电路中任何之导体与该电路被接地之点或导体间可获之最高标称电压。
3
To an electric voltage
... 纹波/ripple 对地电压/To an electric voltage 防护等级/Protection grade ...

短语

1
电气设备的接地部分与大地零电位点之间存在对地电压。
There is voltage to ground between ground part of electric equipment and point of zero electric potential of earth.
2
电焊机电缆的二次对地电压交流不超过200v，直流峰值不超过400v。
The 2nd earthing ac voltage of arc welding machine does not exceed 200v, and DC peak value does not exceed 400v.
3
当故障发生在3相4线系统中的一相时，其它两相的对地电压就升高（约升高20%）。好评（0）
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).

对地电压
对地电压 voltage to earth 所谓对地电压，即电气设备发生接地故障时，接地设备的外壳、接地线、接地体等与零电位点之间的电位差，称为电气设备接地时的对地电压。在电力系统中，对地电压指电气设备发生接地故障时，接地设备的外壳、接地线、接地体等与零电位点之间的电位差。通常将大地设为零电位点。

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