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The Korean Institute of Electrical Engineers (대한전기학회)
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A Studies for Sequential Mode Change Control Algorithm of the Parallel Dual Converter of Using Thyristor for Supplying the Urban Railway DC Power

도시철도의 직류전력 공급을 위한 사이리스터를 사용한 병렬 듀얼 컨버터의 순차적 모드 전환 제어 알고리즘에 대한 연구

  • Han, Sung-Woo (R&D Center, Busan, Transportation Corporation) ;
  • Kim, Sung-An (Dept. of Electrical Engineering, Dong-A University) ;
  • Cho, Yun-Hyun (Dept. of Electrical Engineering, Dong-A University) ;
  • Byun, Gi-Sig (Dept. of Control & Instrumentation, Pukyong National University)
  • Received : 2016.02.01
  • Accepted : 2016.02.22
  • Published : 2016.03.01
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Abstract

This paper is proposed control algorithm for the using thyristor of the parallel dual converter for Urban railway power supply in order to return the regenerative power generated by regenerative braking in urban railway train. Conventional control algorithm of Thyristor dual converter for urban railway power supply has voltage variation within a control range of hysteresis band. The purposed control algorithm of the parallel thyristor dual converter is to maintain a constant voltage without voltage variation in accordance with variable load through the Sequential mode change. And the control algorithm need calculating optimum initial firing angle to consider magnitude of the load current slope. For this purpose, Proposed algorithm for sequential conversion mode of the dual converter was verified by applying for the simulation.

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References

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  1. A Study on the Compensation Method for Unbalance Parallel Operation of Parallel Connected Thyristor Dual Converters using Circulating Current vol.21, pp.6, 2016, https://doi.org/10.6113/TKPE.2016.21.6.473