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Fault current limitation in metropolitan power system using HVDC link

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2 Author(s)
Tongsiri, S. ; Dept. of Electr. Eng., Chulalongkorn Univ., Bangkok, Thailand ; Hoonchareon, N.

In this paper, the solution for limitation of short-circuit current using High Voltage Direct Current (HVDC) transmission has been examined. The HVDC is used to replace some AC lines considering two major impacts in a test system. In the first solution, the maximum short-circuit current location is considered. The AC lines connected to the maximum short-circuit bus are chosen to be replaced by HVDC line. In the second solution, the lines with maximum power flow location is considered. The investigation has been conducted on a modified Electricity Generating Authority of Thailand (EGAT) metropolitan area power system. Comparison of short-circuit current and voltage stability index are provided for the two locations to examine feasibility of the proposal method to curtail the fault currents.

Published in:

Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 2011 8th International Conference on

Date of Conference:

17-19 May 2011