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Based on the transient circuit model of series compensated line, a new method for identifying the fault location relative to series capacitor (SC) is proposed. Comparing the transient model of series compensated line when fault occurs before the SC and the one when fault occurs after the SC, it is found that the only difference is the value of a model-parameter: it respectively equals 0 and a large...
A novel wide area backup protection based on multi-agent technique for series compensated lines is proposed in this paper. The principle of conventional distance protection could be remained normally, and the operating procedure of relaying devices in adjacent substations would be coordinated by each agent within protected area. The simulation tests of practical series compensation project based on...
This paper proposes a new partition principle based on bus sequence voltage distribution characteristic for wide area protection system. The influence of short lines, multiple fault and high resistance ground faults are analyzed. Information from multiple points within wide area network is supervised by central station of protection system. Then, suspected faulty zone can be detected according to...
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