通过限制故障电流来改善电能质量

S. Henry, T. Baldwin
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引用次数: 18

摘要

电能质量的提高对电力公司和用户来说都是一个越来越重要的问题。由于敏感负载的不断增加,电力公司正在探索提高供电可靠性的方法。因此,本文探讨了串联谐振型故障限流器(FCL)对改善径向配电系统电能质量的影响。模拟了一个典型的配电系统,在有和没有FCL的情况下,确定其对故障条件下电压降的影响。本文还研究了FCL与系统保护的相互作用,并为保护工程师在将串联谐振FCL放入配电系统后重新协调保护方案提供了方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Improvement of power quality by means of fault current limitation
Power quality improvement is becoming an increasingly important issue for both electric utilities and customers. Utilities are currently exploring methods of increasing the reliability of the power supply due to the growing number of sensitive loads. Therefore, this paper explores the impact of a series resonant fault current limiter (FCL) on the improvement of power quality of a radial distribution system. It provides simulations of a typical distribution system with and without the FCL to determine its effect on voltage dips during faulted conditions. It also investigates the interaction of the FCL with system protection and provides protection engineers with methods of re-coordinating the protective scheme after placing the series resonant FCL into a distribution system.
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