Harmonic Characteristic Analysis of Five-Phase Space Vector PWM

Fei Yu; Dong Xiang

doi:10.4028/www.scientific.net/AMR.1070-1072.1253

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1070-1072Harmonic Characteristic Analysis of Five-Phase...

Harmonic Characteristic Analysis of Five-Phase Space Vector PWM

Abstract:

Pulse modulation width (PWM) of multi-phase inverter is the key technologies of ships electrical propulsion. In this paper, theories and realization of space vector PWM (SVPWM) for five-phase inverter is analyzed. The proposed SVPWM adopts two adjacent large voltage vectors to composite the reference voltage vector and this method have advantages of easy to realize. Theoretical waveform and harmonics of five-phase inverter output voltages under the proposed control method are deduced. The analysis shows that there are very large third harmonics in the inverter output voltages and currents. The total harmonic distortion (THD) is large also, and changes small with the modulation index. Simulation and experiments certify the conclusions.

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Periodical:

Advanced Materials Research (Volumes 1070-1072)

Pages:

1253-1257

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1070-1072.1253

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Online since:

December 2014

Authors:

Fei Yu*, Dong Xiang

Keywords:

Five-Phase Inverter, Harmonics, Space Vector PWM, Total Harmonic Distortion

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References

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