无功补偿是保持电力系统无功功率平衡、降低损耗、提高供电质量的一种重要手段。
Reactive compensation is an important way which maintains the reactive power balance of the electric power system, reduces the loss and increases supply quality.
无功功率是电力系统的一个重要运行参数，它的平衡程度直接影响电网电压的稳定程度。
Wattles power is an important parameter in operation of electric power system. Its balancing level directly affects the stability of the voltage of power grid.
变电站无功功率的平衡与配置已经成为现代电力系统中十分重视的研究课题。
The reactive power balance and disposition of substations are very important for power systems.
本文通过分析无功功率平衡和电压水平的关系，指出了电力系统电压调整的复杂性，然后讨论了变电站电压无功控制的原理，给出了控制的数学模型。
In this paper the complexity of voltage control in power system is discussed through the analysis of relationship between power system balanced states of voltage and reactive power.
电力系统无功功率补偿不足会引起功率因数下降，而三相功率不平衡则会影响到用电设备的安全。
The power factor of power system will be decreased by under-compensation of reactive power and it is harmful for the devices of customers while the power in the three phases are unbalanced.
电力系统的负荷需要消耗大量的无功功率，而无功功率平衡要满足众多的结点电压，就需要分级分层就地平衡。
The electric power system entails enough reactive power to meet the needs of consumers and the network. To satisfy numerous node voltages, reactive power should be balanced locally and hierarchically.
电力系统的负荷需要消耗大量的无功功率，而无功功率平衡要满足众多的结点电压，就需要分级分层就地平衡。
The electric power system entails enough reactive power to meet the needs of consumers and the network. To satisfy numerous node voltages, reactive power should be balanced locally and hierarchically.
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