利用阻尼电抗器增强功率因数校正设备的性能(案例研究)

Mohammed Alghaiheb, Ayat Albuali, M. Gamaleldin
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摘要

设备和导体的过热主要是由电力系统中的谐波引起的。减少谐波被认为是必要的,特别是当电容器组存在时。使用失谐滤波器是传统的解决方案。将限流电抗器(CLR)安装在最佳位置,是一种经济有效的解决谐波污染的方法。本文通过对CLR放置在不同位置时的电力系统研究,包括:负载潮流、电机启动、短路等,找到CLR的最优位置。同样,讨论了使用CLR的限制和成本。本研究建议采用CLR来减少谐波污染,而当CLR不能满足电网电压调节方面的要求时,则采用失谐滤波器。
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Enhancement of power factor correction equipment performance using damping reactors (case study)
Overheating in the equipment and conductors can be primarily caused by harmonics in power systems. Decrease of harmonics is considered necessary, especially when capacitor banks exist. Using a detuned harmonic filter is a traditional solution. Current limiting reactors (CLR) can be an economical solution to damp harmonic pollution if installed in the optimal location. In this paper, power system studies, including: load flow, motor starting, and short circuit, are performed when placing CLR in different locations, to find the optimal location. Similarly, limitation of using CLR and costs are discussed. The study suggests CLR to reduce harmonic pollution, while detuned filters are used in case the CLR fails to satisfy the voltage regulation aspects of the network.
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