• Due to three-phase capacitance to ground, certain voltage exists between the neutral and the ground for a generator with ungrounded neutral.

    对于中性点不直接接地的发电机,由于三相对电容值存在差异中性点地之间存在一定电压

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  • In distributions, because of its low-level voltage, its neutral point used to disconnect to the ground in order to improve its reliability.

    城市配电网因为电压等级较低,为了提高系统供电的可靠性,曾广泛采用中性点不接地系统方式。

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  • R5 and R8 set a small bias level to reduce the otherwise quite wide neutral deadband caused by the forward voltage drops of the 1n4148's.

    R5r8设置一个偏见水平减少否则相当广泛中立的死所带来正向电压下降1n4148

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  • This dual path approach means that a single control voltage level signal doesn't have to traverse the full reverse range to get to neutral.

    这种双重路径做法就是一个单一控制电压水平信号没有充分扭转范围中立

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  • Therefore, the over-voltage caused by the electromagnetic voltage transformer saturation in the system with insulated neutral belongs to shifting over-voltage.

    可得出结论:中性点绝缘系统中,因电磁式电压互感器饱和引起过电压现象属于工频位移过电压。

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  • The problem of neutral-point balance is resolved by changing the amplitude of current reference according to the voltage error of two capacitors.

    通过输出电容电压偏差改变电流参考给定实现整流器输出中点平衡

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  • A dynamic hysteresis-band current PWM control arithmetic is also designed to control the voltage of the DC bus, which keeps it steady effectively for the voltage of the neutral point of the DC bus.

    设计了动态电流pwm控制算法直流电压进行控制,有效地保证直流侧中点电位平衡。

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  • In the neutral ungrounded power system, ferroresonance over-voltage due to electromagnetic transformer takes place frequently.

    中性点不接地电网中,频繁发生由电磁式电压互感器引起的铁磁谐振现象。

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  • But unlike metal, once the voltage is switched off, the plasma rapidly returns to a neutral gas, and the antenna, in effect, disappears.

    金属不同的一旦切断电压等离子便迅速地变性气体因而天线作用也就真正地“隐形”了。

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  • The neutral voltage of the three-phase four-leg inverter employed in UPS is desired to be very low.

    三相四桥逆变器用UPS时,要求其中线电压低。

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  • The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.

    三电平变流器中点电压波动与变流器采用的调制技术和三相电流有关

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  • The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.

    三电平变流器中点电压波动与变流器采用的调制技术和三相电流有关

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