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논문 기본 정보

자료유형
학술저널
저자정보
Pratheesh K. J. (National Institute of Technology) Jagadanand G. (National Institute of Technology) Rijil Ramchand (National Institute of Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.2
발행연도
2018.3
수록면
522 - 532 (11page)

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초록· 키워드

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The cascaded H Bridge (CHB) multilevel inverter (MLI) is popular among the classical MLI topologies due to its modularity and reliability. Although space vector modulation (SVM) is the most suitable modulation scheme for MLIs, it has not been used widely in industry due to the higher complexity involved in its implementation. In this paper, a simple and novel generalized SVM algorithm is proposed, which has both reduced time and space complexity. The proposed SVM involves the generalization of both the duty cycle calculation and switching sequence generation for any n-level inverter. In order to generate the gate pulses for an inverter, a generalized switch matrix (SM) for the CHB inverter is also introduced, which further simplifies the algorithm. The algorithm is tested and verified for three-phase, three-level and five-level CHB inverters in simulations and hardware implementation. A comparison of the proposed method with existing SVM schemes shows the superiority of the proposed scheme.

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Abstract
I. INTRODUCTION
II. PRINCIPLES OF SPACE VECTOR MODULATION AND NEAREST LEVEL MODULATION
III. PROPOSED SPACE VECTOR MODULATION
IV. RESULTS AND DISCUSSIONS
V. CONCLUSIONS
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UCI(KEPA) : I410-ECN-0101-2018-560-001826131