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모듈형 멀티레벨 전압형 HVDC 시스템을 위한 시간 지연을 고려한 디지털 제어기의 설계
A Design Methodology of Digital Controller Considering Time Delay Effect for a Modular Multilevel Converter VSC HVDC System
- 송지완;
- 구남준;
- 김래영
초록
A modular multilevel converter is widely adapted for a high-voltage direct current power transmission system. This study proposes a design methodology for a novel digital control that mitigates the negative effects caused by time delay, including communication transport delay for a modular multilevel converter. The modeling and negative effect of time delay are analyzed theoretically in a frequency domain, and its compensation methodology based on an inverse model is described fully with practical considerations. The proposed methodology is verified through several simulation results using a modular 21-level converter system.
키워드
Time delay effect; Modular multilevel converter; Digital control; High voltage direct current
- 제목
- 모듈형 멀티레벨 전압형 HVDC 시스템을 위한 시간 지연을 고려한 디지털 제어기의 설계
- 제목 (타언어)
- A Design Methodology of Digital Controller Considering Time Delay Effect for a Modular Multilevel Converter VSC HVDC System
- 저자
- 송지완; 구남준; 김래영
- 발행일
- 2016-02
- 저널명
- 전력전자학회 논문지
- 권
- 21
- 호
- 1
- 페이지
- 49 ~ 57