Harmonics and transient overvoltages due to capacitor switching

A. Girgis, C. Fallon, J. Rubino, R.C. Catoe
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引用次数: 63

Abstract

The authors present a study of the steady-state and transient effects of power factor correction capacitors on the utility and on the customer. The addition of a power factor correction capacitor in the presence of downstream harmonic loads and at the harmonic load site is considered. In both cases the resonance created by the addition of the capacitor caused the harmonic distortion of the voltage and current waveforms to increase. Another problem is transient overvoltages created by switching the capacitor. The steady-state concerns associated with the application of power factor correction capacitors in the presence of harmonic loads and unbalance are addressed. The transient problems associated with the switching of power factor correction capacitors are considered.<>
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电容器开关引起的谐波和瞬态过电压
作者研究了功率因数校正电容器的稳态和暂态效应对电力公司和用户的影响。在存在下游谐波负荷和谐波负荷现场时,考虑增加功率因数校正电容器。在这两种情况下,由增加电容器产生的谐振引起电压和电流波形的谐波失真增加。另一个问题是开关电容器产生的瞬态过电压。在存在谐波负载和不平衡的情况下,解决了与功率因数校正电容器应用相关的稳态问题。考虑了与功率因数校正电容器开关有关的暂态问题。
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