공진회로를 이용한 대용량 인버터 구성용 밸브 및 폴 시험설비에 관한 연구A Test System of Valve and Poles for Large Scale Inverter using Resonant Circuit
- Other Titles
- A Test System of Valve and Poles for Large Scale Inverter using Resonant Circuit
- Authors
- 한영성; 정정주
- Issue Date
- May-2011
- Publisher
- 대한전기학회
- Keywords
- Valve; Pole; VSC; Inverter; Power semiconductor test; FACTS
- Citation
- 전기학회논문지, v.60, no.5, pp.971 - 976
- Indexed
- SCOPUS
KCI
- Journal Title
- 전기학회논문지
- Volume
- 60
- Number
- 5
- Start Page
- 971
- End Page
- 976
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/168489
- DOI
- 10.5370/KIEE.2011.60.5.971
- ISSN
- 1975-8359
- Abstract
- This paper proposes a test system for a valve and poles building blocks used for large scale inverters such as STATCOM, SSSC, UPFC and VSC HVDC. Power semiconductors in the valve are normally connected in series to withstand switching voltage much larger than the voltage rating of a single power semiconductor. Therefore, there is a need to verify if the dynamic voltage sharing during switching in a valve is satisfactory. In this paper, we propose a test system that provides the necessary test condition: voltage and current in the valve using resonant circuits. A test scheme for a single phase inverter consisting two poles is also proposed. The performance of the inverter pole has to be verified at the factory test, before the system is installed at the site to secure the reliability of the system. The proposed scheme makes it possible to confirm if the pole can withstand voltage and current switching condition and handle loss.
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