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.
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.
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%).
对于中性点不直接接地的发电机，由于三相对地电容值存在差异，中性点与地之间存在一定电压。
Due to three-phase capacitance to ground, certain voltage exists between the neutral and the ground for a generator with ungrounded neutral.
此时电压互感器的励磁阻抗和系统的对地电容形成非线性谐振电路。
At this moment, the excitation voltage transformer impedance and the system-to-ground capacitance come into being non-linear resonant circuit.
地电流干扰主要是由于半导体器件开关动作产生的快速上升和下降的开关电压作用在对地电容上产生的位移电流形成的。
The grounding current EMI is caused by charging and discharging of the parasitic capacitances between the circuit and ground during the switching instant devices.
地电流干扰主要是由于半导体器件开关动作产生的快速上升和下降的开关电压作用在对地电容上产生的位移电流形成的。
The grounding current EMI is caused by charging and discharging of the parasitic capacitances between the circuit and ground during the switching instant devices.
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