3상 부하 전류 제어를 위한 강인한 제어기 설계기법Robust Controller Design for the Regulation of Currents in a Three-phase Load
- Other Titles
- Robust Controller Design for the Regulation of Currents in a Three-phase Load
- Authors
- 지수정; 조남훈
- Issue Date
- Jul-2013
- Publisher
- 한국조명.전기설비학회
- Keywords
- Robust controller; DQ transformation; Parameter uncertainties; Disturbance Observer
- Citation
- 조명.전기설비학회논문지, v.27, no.7, pp.17 - 23
- Journal Title
- 조명.전기설비학회논문지
- Volume
- 27
- Number
- 7
- Start Page
- 17
- End Page
- 23
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/11829
- ISSN
- 1229-4691
- Abstract
- The regulation of currents in a three-phase load is an important issue for electric power systems. The most popular conventional method is a decoupling controller that compensates the coupling terms arising from DQ rotating frame transformation. Although the decoupling controller achieves decent performance in the absence of load parameter uncertainties, the variation of parameters causes performance to degrade intolerably. In this paper, we propose to use disturbance observer based controller to improve the control performance in spite of the parameter uncertainties. The computer simulation study validates the effectiveness of the proposed method.
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