Open Access Open Access  Restricted Access Subscription or Fee Access

Asymmetric Space Vector Modulation for Voltage Source Converter

T. BenitoRanjit Raj, M.L. Ramamoorthy

Abstract


Conventional methods for two level voltage source converters (SPWM, SVM etc.,) having high THD of output current ,higher switching loss, when the switching frequency is as low as 9 times of line frequency. Improved asymmetric space vector modulation scheme is implemented by adding two pulses in each line cycle when the fundamental voltage crosses zero, the total harmonic distortion (THD) of output current can be reduced significantly. The penalty of additional switching loss is very limited for high power factor operation. Improved ASVM can also reduce the amplitude of circulating current in the interleaved VSCs, leading to smaller interphase inductors. The analysis results are verified by simulation results.


Keywords


SPWM, SVM,THD,ASVM.

Full Text:

PDF

References


N. Flourentzou, V. G. Agelidis and G. D. Demetriades, “VSC-based HVDC power transmission systems: an overview”, IEEE Trans. Power Elec., vol. 24, no. 3, pp. 592 – 602, 2009.

M. S. A. Dahidah and V. G. Agelidis, V.G, “Selective harmonic elimination PWM control for cascaded multilevel voltage source converters: a generalized formula”, IEEE Trans. Power Elec., vol. 23, no. 4, pp. 1620 – 1630, 2008.

S. Bernet, “Recent developments of high power converters for industry and traction applications”, IEEE Trans. Power Elec., vol. 15, no. 6, pp. 1102 – 1117, 2000.

D. G. Holmes and T. A. Lipo, “Pulse Width Modulation for Power Converters-Principle and Practice,” Wiley-IEEE Press, 2003.

J. Holtz, P. Lammert and W. Lotzkat, “High-speed drive system with ultrasonic MOSFET PWM inverter and single-chip microprocessor control,” in Proc. IEEE Ind. Appl. Spec. (IAS), 1986, pp. 12-17.

H. W. Van der Broeck, H. C. Skudelny and G. Stanke, “Analysis and realization of a pulse width modulator based on voltage space vectors,” in Proc. IEEE Ind. Appl. Spec. (IAS), 1986, pp. 244-251.

V. Blasko, “A Novel Method for Selective Harmonic Elimination in Power Electronic Equipment”, IEEE Trans. Power Elec., vol. 22, no. 1, pp. 223 – 228, 2007.

V. G. Agelidis, A. Balouktsis, I. Balouktsis, and C. Cossar, “Multiple sets of solutions for harmonic elimination PWM bipolar waveforms: Analysis and experimental verification,” IEEE Trans. Power Elec., vol. 21, no. 2, pp. 415 – 421,2006.

J.R. Wells, B.M. Nee, P.L. Chapman and P. T. Krein, P.T., “Selective harmonic control: a general problem formulation and selected solutions”, IEEE Trans. Power Elec., vol. 20, no. 6, pp. 1337 – 1345, 2005.


Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.