International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Since Year 2012 | Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064




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Research Paper | Electrical Engineering | India | Volume 4 Issue 7, July 2015


Level Shifted Pulse Width Modulation in Three Phase Multilevel Inverter for Power Quality Improvement

S. B. Sakunde | V. D. Bavdhane


Abstract: This paper emphasize on harmonics elimination by using 5 level cascaded H-bridge (CHB) inverter. The CHB inverter is having more importance in power electronics application due to reduction in switching losses to other type of inverter. The inverter is adopted with level shifted carrier PWM (LSCPWM) technique. The reference harmonics compensating current signal is generated by synchronous reference frame (SRF) theory and DC side voltage of inverter is regulated by using PI controller. The inverter functions as a DSTATCOM for reduction of harmonics and improvement of power factor. System is designed in MATLAB/SIMULINK for 11kV distribution system.


Keywords: Synchronous reference frame theory SRF, phase shifted carrier pulse width modulation PSCPWM, level shifted carrier pulse width modulation LSCPWM, cascaded H bridge multilevel inverter CHB


Edition: Volume 4 Issue 7, July 2015,


Pages: 1193 - 1197

Level Shifted Pulse Width Modulation in Three Phase Multilevel Inverter for Power Quality Improvement


How to Cite this Article?

S. B. Sakunde, V. D. Bavdhane, "Level Shifted Pulse Width Modulation in Three Phase Multilevel Inverter for Power Quality Improvement", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SUB156567, Volume 4 Issue 7, July 2015, 1193 - 1197, #ijsrnet

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