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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 487 - 496 (10page)
이용수
초록· 키워드
오류제보하기
For a solid-state transformer (SST), some factors, such as signal delay, switching loss and differences in the system parameters, lead to unbalanced DC-link voltages among the cascaded H-bridges (CHB). With a control method implemented in the αβ frame, the DC-link voltages are balanced, and the reactive power is equally distributed among all of the H-bridges. Based on the αβ frame control, the system can achieve independent active current and reactive current control. In addition, the control method of the highvoltage stage is easy to implement without decoupling or a phase-locked loop. Furthermore, the method can eliminate additional current delays during transients and get the dynamic response rapidly without an imaginary current component. In order to carry out the controller design, the vector refactoring relations that are used to balance DC-link voltages are derived. Different strategies are discussed and simulated under the unbalanced load condition. Finally, a three-cell CHB rectifier is constructed to conduct further research, and the steady and transient experimental results verify the effectiveness and correctness of the proposed method.
목차
Abstract
I. INTRODUCTION
II. MODEL OF A THREE-STAGE SST
III. METHOD BASED ON VECTOR REFACTORING
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
참고문헌 (28)
참고문헌 신청
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T. Besselmann, A. Mester, and D. Dujic, “Power electronic traction transformer: Efficiency improvements under light- Load conditions,” IEEE Trans. Power Electron., Vol. 29, No. 8, pp. 3971-3981, Aug. 2014.
C. Liu, P. W. Sun, J. S. Lai, Y. C. Ji, M. Y. Wang, C. L. Chen, and G. W. Cai, “Cascade dual-boost/buck activefront- end converter for intelligent universal transformer,” IEEE Trans. Ind. Electron., Vol. 59, No. 12, pp. 4671-4680, Dec. 2012.
E. R. Ronan, S. D. Sudhoff, S. F. Glover, and D. L. Galloway, “A power electronic-based distribution transformer,” IEEE Trans. Power Del., Vol. 17, No. 2, pp. 537-543, Apr. 2002.
T. F. Zhao, J. Zeng, S. Bhattacharya, M. E. Baran, and A. Q. Huang, “An average model of solid state transformer for dynamic system simulation,” in Proc. IEEE Power Energy &. Gen. Meeting, pp. 1-8, 2009.
T. Besselmann, A. Mester, and D. Dujic, “Power electronic traction transformer: Efficiency improvements under light- Load conditions,” IEEE Trans. Power Electron., Vol. 29, No. 8, pp. 3971-3981, Aug. 2014.
C. Liu, P. W. Sun, J. S. Lai, Y. C. Ji, M. Y. Wang, C. L. Chen, and G. W. Cai, “Cascade dual-boost/buck activefront- end converter for intelligent universal transformer,” IEEE Trans. Ind. Electron., Vol. 59, No. 12, pp. 4671-4680, Dec. 2012.
E. R. Ronan, S. D. Sudhoff, S. F. Glover, and D. L. Galloway, “A power electronic-based distribution transformer,” IEEE Trans. Power Del., Vol. 17, No. 2, pp. 537-543, Apr. 2002.
T. F. Zhao, J. Zeng, S. Bhattacharya, M. E. Baran, and A. Q. Huang, “An average model of solid state transformer for dynamic system simulation,” in Proc. IEEE Power Energy &. Gen. Meeting, pp. 1-8, 2009.
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