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首页> 外文会议>Global Power, Energy and Communication Conference >Series Resonance Type Fault Current Limiter for Fault Current Limitation and Voltage Sag Mitigation in Electrical Distribution Network
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Series Resonance Type Fault Current Limiter for Fault Current Limitation and Voltage Sag Mitigation in Electrical Distribution Network

机译：串联谐振型故障电流限制器，用于配电网络中的故障电流限制和电压暂降

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摘要

Nowadays, the fault currents have increased significantly due to the growing number of resources in the interconnected grid. Some of the existing circuit breakers using in the grid are not capable of interrupting increased short-circuit currents. The replacement of all existing inadequate circuit breakers to interrupt these currents requires high implementation costs. Further, the fault currents cause voltage sags. These voltage sags cause power quality problems and additional economic losses for the consumers. Therefore, new solutions are required against increased short-circuit currents and voltage sags. In this study, a series resonance type fault current limiter (SRFCL) is used to mitigate problems. Short-circuit analyses are performed by using MATLAB/Simulink in order to show the impact of the fault current limiter. These analysis results show that the designed fault current limiter reduces the fault currents additionally, voltage sags caused by faults are significantly improved. Finally, a decision algorithm based on monetary value is proposed to reduce short-circuit currents and improve voltage sags with SRFCL. This algorithm includes technical examination, obtaining the SRCFL parameters and cost analysis. Also, this algorithm ensures that the SRFCL is reliable and effective system to overcome the problems related with the faults.
机译：如今，由于互连电网中资源的不断增加，故障电流已大大增加。电网中使用的某些现有断路器无法中断增加的短路电流。替换所有现有的不足的断路器以中断这些电流需要高昂的实施成本。此外，故障电流会引起电压骤降。这些电压骤降会导致电能质量问题，并给消费者带来额外的经济损失。因此，需要新的解决方案来应对增加的短路电流和电压骤降。在这项研究中，串联谐振型故障电流限制器（SRFCL）用于缓解问题。短路分析通过使用MATLAB / Simulink进行，以显示故障电流限制器的影响。这些分析结果表明，所设计的故障限流器可进一步减少故障电流，从而显着改善了由故障引起的电压骤降。最后，提出了一种基于货币价值的决策算法，以减少短路电流并利用SRFCL改善电压骤降。该算法包括技术检查，获得SRCFL参数和成本分析。而且，该算法确保了SRFCL是可靠且有效的系统，可以克服与故障相关的问题。

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