지원사업
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
- 2018.9
- 수록면
- 1,315 - 1,324 (10page)
이용수
초록· 키워드
오류제보하기
A novel three-phase four-wire inverter topology is presented in this paper. This topology is equipped with a special capacitor balance grid without magnetic saturation. In response to unbalanced load and unequal split DC-link capacitors problems, a qusi-full-bridge DC/DC topology is applied in the balance grid. By using a high-frequency transformer, the energy transfer within the two split dc-link capacitors is realized. The novel topology makes the voltage across two split dc-link capacitors balanced so that the neutral point voltage ripple is inhibited. Under the condition of a stable neutral point voltage, the three-phase four-wire inverter can be equivalent to three independent single phase inverters. As a result, the three-phase inverter can produce symmetrical voltage waves with an unbalanced load. To avoid forward transformer magnetic saturation, the voltages of the primary and secondary windings are controlled to reverse once during each switching period. Furthermore, an improved mode chosen operating principle for this novel topology is designed and analyzed in detail. The simulated results verified the feasibility of this topology and an experimental inverter has been built to test the power quality produced by this topology. Finally, simulation results verify that the novel topology can effectively improve the inhibition of an inverter with a three-phase unbalanced load while decreasing the value of the split capacitor.
목차
Abstract
I. INTRODUCTION
II. NOVEL TOPOLOGY AND OPERATION MODE ANALYSIS
III. MODULATION STRATEGY DESIGN
IV. SIMULATION AND EXPERIMENT RESULTS
V. CONCLUSIONS
REFERENCES
참고문헌 (16)
참고문헌 신청
X. H. Guo, C. W. Chang, and L. R. Chang-Chien, “An automatic voltage compensation technique for three-phase stand-alone inverter to serve unbalanced or nonlinear load,” IEEE 2nd International Future Energy Electronics Conference (IFEEC), pp. 1-2, 2015.
G. Carrasco, C. A. Silva, R. Pena, and R. Cardenas, “Control of a four-leg converter for the operation of a DFIG feeding stand-alone unbalanced loads,” IEEE Trans. Ind. Electron., Vol. 62, No. 7, pp. 4630-4631, Jul. 2015
T. D. Do, V. Q. Leu, Y. S. Choi, H. H. Choi, and J. W. Jung, “An adaptive voltage control strategy of three-phase inverter for stand-alone distributed generation systems,” IEEE Trans. Ind. Electron., Vol. 60, No. 12, pp. 5660-5672, Dec. 2013,
M. S. Karbasforooshan, M. Monfared, and M. Dogruel, “Application of the harmonic control arrays technique to single-phase stand-alone inverters,” IEE Trans. Power Electron., Vol. 9, No. 7, pp. 1445-1453, Jun. 2016,
B. Y. Ren, M. Zhang, X. R. Zhao, and X. D. Sun, “Research on control strategy of load voltage unbalance problem for three-phase combined inverter,” IEEE 11th Conference on Industrial Electronics and Applications (ICIEA), pp. 2061-2063, 2016.
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