Seung-Rae Jo, Seok-Min Kim, and Kyo-Beum Lee, "Grid Fault Ride-Through Control of Modular Multilevel Converter for Medium Voltage DC Distribution," 전력전자학회 추계학술대회 논문집, pp. 27–29, 2018. > Paper

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Domestic Conference Seung-Rae Jo, Seok-Min Kim, and Kyo-Beum Lee, "Grid Fault Ride-Through Control of Modular Multilevel Converter for Medium Voltage DC Distribution," 전력전자학회 추계학술대회 논문집, pp. 27–29, 2018.

2018

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본 논문은 모듈형 멀티레벨 컨버터 기반 특고압직류 배전망의 수전 계통 사고 대응 기법을 제안한다. 수전 계통의 순간적인저전압 및 단락 사고 발생 시 전력변환장치는 계통 전압의 정상화를 지원하기 위해 연계를 유지해야 하며 계통 측의 요구에 따라전압 변동률에 따른 무효 전력을 공급해야 한다. 제안하는 기법은 계통 사고 발생 시 계통 코드에따라 무효 전류를 공급하여 수전 계통의 전압 레벨 복구를 지원한다. 시뮬레이션을통해 제안하는 계통 사고 대응 기법의 타당성을 확인한다. 

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