当系统中存在谐波源时，无功补偿电容器组与系统电路会在某次谐波频率下发生并联谐振。
When harmonic sources exist in power system, parallel resonance occurs due to the interaction between shunt capacitor bank and system inductance.
介绍采用同步电动机和并联电容器进行无功补偿等常用的无功功率补偿方法，以提高用电设备的功率因数。
The common methods of compensating reactive power are introduced to raise the power factor of electric equipment, such as those of using synchronous motors and parallel capacitors.
并联电容器组作为一种无功电源被广泛应用于电网的无功补偿。
Shunt capacitor banks are now widely applied for reactive compensation in power system as a reactive source.
第二章分析了无功补偿的原理及优势，并建立了较符合实际的配电网并联电容器优化配置模型。
In chapter two, the theory and superiority of reactive power compensation is analyzed and a practical mathematic model of optimal capacitor placement is set up.
它不仅有效地提高无功电流的补偿质量，改善了供电系统的功率因数，而且并联电容的成本和投切频率都很低。
It improves the quality reactive current compensation effectively and the power factor highly with lower capacitor costing and switching frequency.
它不仅有效地提高无功电流的补偿质量，改善了供电系统的功率因数，而且并联电容的成本和投切频率都很低。
It improves the quality reactive current compensation effectively and the power factor highly with lower capacitor costing and switching frequency.
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