Journal of Power Electronics

  • 제19권5호
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  • Pages.1171-1181
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  • 2019
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Comparison of Capacitor Voltage Balancing Methods for 1GW MMC-HVDC Based on Real-Time Digital Simulator and Physical Control Systems

  • Lee, Jun-Min (Department of Electrical Engineering, Pusan National University) ;
  • Park, Jung-Woo (Korea Electrotechnology Research Institute) ;
  • Kang, Dae-Wook (Korea Electrotechnology Research Institute) ;
  • Lee, Jong-Pil (Korea Electrotechnology Research Institute) ;
  • Yoo, Dong-Wook (Korea Electrotechnology Research Institute) ;
  • Lee, Jang-Myung (Department of Electrical Engineering, Pusan National University)
  • 투고 : 2018.12.14
  • 심사 : 2019.05.29
  • 발행 : 2019.09.20
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초록

Modular Multilevel Converter (MMC)-based HVDC power transmission using a real-time simulator is one of the key technologies in power electronics research. This paper introduces the design methodology of a physical MMC-HVDC control system based on a Field-Programmable Gate Array (FPGA), which has the advantage of high-speed parallel operation, and validates the accuracy of MMC-HVDC control when operated with a Real-Time Digital Simulator (RTDS). Finally, this paper compares and analyzes the characteristics of capacitor voltage balancing methods such as Nearest Level Control (NLC), NLC with a reduced switching frequency, and tolerance band modulation implemented on physical control system.

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참고문헌

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