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도시철도직류변전소의 회생전력 흡수를 위한 회생인버터 시뮬레이션
배창한(Bae C. H),한문섭(Han M. S),김용기(Kim Y. G),권삼영(Kwon S. Y),박현준(Park H. J) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
In DC traction substation with 12-pulse diode rectifiers, the DC line voltage tends to rise above noload voltage because it can"t absorb the regenerative power caused by electric brakes of train. To solve this problem, an IGBT regenerative inverter should be installed and recycles the surplus regenerative power by delivering it to the supply grid. In this paper, the DC traction substation equipped with a IGBT regenerative inverter is studied using computer simulation. Matlab/simulink is used to simulate the operation of regenerative inverter which injects the regenerative power into the supply grid and stabilizes the DC line voltage. It is confirmed that the high quality regenerative power is delivered to the supply grid thorough computer simulation.