Abstract
Abstract - One of popular and effective solutions to voltage sag mitigation is the use of custom power devices (CPD) like dynamic voltage restorers (DVR). On the other hand, fault current limiter FCL) also has impacts on voltage sags caused by faults. This paper introduces a new combination between DVR and solid-state fault current limiter (SSFCL) that can further improve global performance of voltage sags due to faults in distribution system. The location of DVR-SSFCL combination is optimally selected basing on minimizing a global index - SARFIX. In optimizing DVR-SSFCL combination’s placement, various cases of parameters relating with its ratings are considered and discussed. The paper uses IEEE’s 33-bus distribution system for modeling voltage sag due to faults and DVR-SSFCL combination’s effectiveness on global voltage sag mitigation.
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