Space Vector Pulse Width Modulation for Three-level Indirect Matrix Converter to Eliminate Common Mode Voltage
Main Article Content
Abstract
This paper presents the pulse width modulation for multilevel indirect matrix converter for elimination common-mode voltage. The presented multilevel indirect matrix converter is based on the combination of T-type multilevel inverter and two cascaded rectifiers. Beside possessing the advantages of conventional matrix converter such as: sinusoidal input/output currents, bidirectional power flow, the multilevel indirect matrix converter provides some advantages: high performance of output voltage due to it is three-level voltage. The common mode voltage is responsible for overvoltage stress to the winding insulation and bearing damage of ac motor and it raises leakage currents, which can cause electromagnetic noise to the equipments installed near the converter. Therefore, the space vector modulation method is proposed in this paper to eliminate the common-mode voltage. In order to verify the theory analysis, some simulation results with Psim software are provided. Furthermore, one laboratory prototype was built and experimental results are presented to validate the simulation results.
Keywords
Matrix converter, multilevel inverter, pulse width modulation, common-mode voltage
Article Details
References
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[3] J. W. Kolar, F. Schafmeister, S. D. Round and H. Ertl, Novel Three-Phase AC–AC Sparse Matrix Converters, in IEEE Transactions on Power Electronics, vol. 22, no. 5, pp. 1649-1661, Sept. 2007.
[4] A. Trentin, L. Empringham, L. de Lillo, P. Zanchetta, P. Wheeler and J. Clare, Experimental Efficiency Comparison Between a Direct Matrix Converter and an Indirect Matrix Converter Using Both Si IGBTs and SiC mosfets, in IEEE Transactions on Industry Applications, vol. 52, no. 5, pp. 4135-4145, Sept.-Oct. 2016.
[5] X. Liu, P. Wang, P. C. Loh and F. Blaabjerg, A Compact Three-Phase Single-Input/Dual-Output Matrix Converter, in IEEE Transactions on Industrial Electronics, vol. 59, no. 1, pp. 6-16, Jan. 2012.
[6] Tuyen D. Nguyen and H. H. Lee, Dual Three-Phase Indirect Matrix Converter With Carrier-Based PWM Method, in IEEE Transactions on Power Electronics, vol. 29, no. 2, pp. 569-581, Feb. 2014.
[7] Tuyen D. Nguyen and H. H. Lee, Development of a Three-to-Five-Phase Indirect Matrix Converter With Carrier-Based PWM Based on Space-Vector Modulation Analysis, in IEEE Transactions on Industrial Electronics, vol. 63, no. 1, pp. 13-24, Jan. 2016.
[8] M. Y. Lee, P. Wheeler and C. Klumper, Space-Vector Modulated Multilevel Matrix Converter, in IEEE Transactions on Industrial Electronics, vol. 57, no. 10, pp. 3385-3394, Oct. 2010.
[9] Tuyen D. Nguyen and H. H. Lee, Modulation Strategies to Reduce Common-Mode Voltage for Indirect Matrix Converters, in IEEE Transactions on Industrial Electronics, vol. 59, no. 1, pp. 129-140, Jan. 2012.
[10] Q. Guan, P. W. Wheeler, Q. Guan and P. Yang, Common-Mode Voltage Reduction for Matrix Converters Using All Valid Switch States, in IEEE Transactions on Power Electronics, vol. 31, no. 12, pp. 8247-8259, Dec. 2016.
[11] Y. Wang, W. W. Shi, N. Xie and C. M. Wang, Diode-Free T-Type Three-Level Neutral-Point-Clamped Inverter for Low-Voltage Renewable Energy System, in IEEE Transactions on Industrial Electronics, vol. 61, no. 11, pp. 6168-6174, Nov. 2014.
[12] Hee-Jung Kim, Hyeoun-Dong Lee and Seung-Ki Sul, A new PWM strategy for common-mode voltage reduction in neutral-point-clamped inverter-fed AC motor drives, in IEEE Transactions on Industry Applications, vol. 37, no. 6, pp. 1840-1845, Nov/Dec 2001.