Research on Neutral Point Potential Balancing Algorithm of NPC Inverter Based on Redundant Voltage Space Vector

Wen Zhong Ma; Tian Tian Sun; Ke Cheng Chen; Li Li Jiang; Lin Huan Li

doi:10.4028/www.scientific.net/AMR.846-847.559

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 846-847Research on Neutral Point Potential Balancing...

Research on Neutral Point Potential Balancing Algorithm of NPC Inverter Based on Redundant Voltage Space Vector

Abstract:

The imbalanced neutral point potential issue of the NPC inverter is analyzed in this paper. Based on the redundant voltage space vector control algorithm, a novel strategy by adjusting the working situation of positive and negative small vectors is proposed, which can suppress the neutral point potential imbalances effectively. The method is simulated with SIMULINK, and the control algorithm is implemented with the DSP of TMS3202812 in the laboratory. The simulation and experiments showed that the strategy is effective.

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Periodical:

Advanced Materials Research (Volumes 846-847)

Pages:

559-562

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.846-847.559

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Online since:

November 2013

Authors:

Wen Zhong Ma*, Tian Tian Sun, Ke Cheng Chen, Li Li Jiang, Lin Huan Li

Keywords:

Neutral Point Potential Balancing, NPC Inverter, Redundant, SVPWM

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* - Corresponding Author

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