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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 2,180 - 2,187 (8page)
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초록· 키워드
오류제보하기
For high-power converters with low pulse ratios (e.g. 80 Hz load frequency with 600Hz carrier frequency for a 27 MVA Variable Frequency Drive), the current control loop design has been a challenge due to the large signal delay and potentially higher-order plant (LCL filter between the converter and machines). The stability issue and cross-coupling effect is a problem in such application. In this paper, a complex current controller with excellent dynamic performance is proposed. The design is done by using the “double-sided frequency modeling” methodology. The stability, decoupling-effect, dynamic response and the robustness of the control loop are analyzed, which provides a design guideline for such applications. The performance of the proposed strategy and the improved state feedback method are compared. And finally simulation results are presented to validate the controller design and analysis.
목차
Abstract
I. INTRODUCTION
II. MODELING AND ANALYSIS METHODOLOGY
III. COMPLEX-GAIN PI CONTROLLER
IV. ROBUSTNESS AND IMPLEMENTATION
V. PERFORMANCE COMPARISON WITH SFB METHOD
VI. CONCLUSION
REFERENCES
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