Space-Vector Pulsewidth Modulation for Three-Level NPC Converter With the Neutral Point Voltage Control Academic Article

abstract

• This paper proposes a new space-vector pulsewidth modulation (SV-PWM) strategy for a three-level neutral point clamped inverter. The presented SV-PWM strategy makes it possible to control the neutral point voltage by optimum choice of switch sequence for any position and length of output voltage vector. The proposed solution takes into consideration the unbalance of the dc-link voltages. It also analyzes the influence of vector sequences on the predicted unbalance of the dc-link voltage. The solution allows selecting optimum vectors and their on-time durations in order to reduce quickly the dc-link voltage unbalance. The calculation of the space vector area proposed in this paper takes into consideration voltage unbalance and its influence on the length and position of vectors. The proposed approach assures properly generating the voltage output vectors, even in the case of the existing large voltage unbalance in the dc-link. The results of the experimental investigation of the proposed modulation strategy are presented in this paper. 2006 IEEE.

authors

• Abu-Rub, Haitham

published proceedings

• IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

author list (cited authors)

• Lewicki, A., Krzeminski, Z., & Abu-Rub, H.

citation count

• 129

complete list of authors

• Lewicki, Arkadiusz||Krzeminski, Zbigniew||Abu-Rub, Haitham

publication date

• November 2011

publisher

• Institute of Electrical and Electronics Engineers (IEEE)  Publisher

keywords

• Multilevel Inverter
• Neutral Point Clamped (npc) Inverter
• Neutral Point Voltage Control
• Pulsewidth Modulation (pwm)

Digital Object Identifier (DOI)

• 10.1109/TIE.2011.2119453

start page

• 5076

end page

• 5086

volume

• 58

issue

• 11

URL

• http://dx.doi.org/10.1109/tie.2011.2119453