In resonant ground systems, both asymmetric fault of high-voltage side and asymmetry of load cause the asymmetry of system electrical source voltage. Then they change neutral displacement voltage.

在谐振接地系统中，系统高压侧不对称故障及负荷的不对称会引起系统电源电势的不对称，从而改变中性点位移电压。

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Some cars equipped with high strength discharge headlights HID, the device through its pre designed electrical system generated high voltage arc discharge generated high density light source.

有些汽车装备了高强度放电前大灯hid，该设备通过其预先设计的电子系统产生的高压电弧放电生成高密度光源。

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Consisting of a rectifier, charger, battery bank, inverter, monitor and other devices, UPS can offer the energy storage with constant voltage and frequency power source for the electrical load.

UPS是一种以整流器、充电器、电池组、逆变器、监控器等装置组成的、能够为电气负载提供恒压恒频电源的储能设备。

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