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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.3
- 수록면
- 132 - 139 (8page)
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The selective harmonic elimination pulse width modulation (SHEPWM) switching strategy has been applied to multilevel inverters to remove low order harmonics. Naturally, the related equations do not have feasible solutions for some operating points associated with the modulation index (M). However, with these infeasible points, minimizing instead of eliminating harmonics is performed. Thus, harmful harmonics such as the 5<SUP>th</SUP> harmonic still remains in the output waveform. Therefore, it is proposed in this paper to ignore solving the equation associated with the highest order harmonics. A reduction in the eliminated harmonics results in an increase in the degrees of freedom. As a result, the lower order harmonics are eliminated in more operating points. A 9-level inverter is chosen as a case study. The genetic algorithm (GA) for optimization purposes is used. Simulation results verify the proposed method.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. STRUCTURES OF MULTI-LEVEL INVERTERS
Ⅲ. SWITCHING STRATEGIES
Ⅳ. GENETIC ALGORITHM
Ⅴ. SIMULATION RESULT
Ⅵ. CONCLUSION
REFERENCES
참고문헌 (27)
참고문헌 신청
J. Rodriguez / 2002 / Multilevel inverters: a survey of topologies, controls, and applications / IEEE Trans. Ind. Electron 49(4):724~738
C. Cecati / 2010 / A multilevel inverter for PV systems with fuzzy logic control / IEEE Trans. Ind. Electron 57(12):4115~4125
N. Flourentzou / 2009 / VSC-based HVDC power transmission systems: an overview / IEEE Trans. Power Electron 24(3):592~602
K. Gopakumar / 2010 / A hybrid multilevel inverter topology for an open-end winding induction motor drive using two-level inverters in series with a capacitor fed Hbridge cell / IEEE Trans. Ind. Electron 57(11):3707~3714
N. Farokhnia / 2009 / Direct nonlinear control for individual DC voltage balancing in cascaded multilevel DSTATCOM / Proc. EPECS :1~8
C. Cecati / 2010 / A multilevel inverter for PV systems with fuzzy logic control / IEEE Trans. Ind. Electron 57(12):4115~4125
N. Flourentzou / 2009 / VSC-based HVDC power transmission systems: an overview / IEEE Trans. Power Electron 24(3):592~602
K. Gopakumar / 2010 / A hybrid multilevel inverter topology for an open-end winding induction motor drive using two-level inverters in series with a capacitor fed Hbridge cell / IEEE Trans. Ind. Electron 57(11):3707~3714
N. Farokhnia / 2009 / Direct nonlinear control for individual DC voltage balancing in cascaded multilevel DSTATCOM / Proc. EPECS :1~8
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UCI(KEPA) : I410-ECN-0101-2012-560-004202433