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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
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Research Paper, Electrical Engineering, India, Volume 11 Issue 12, December 2022
Pages: 746 - 748Analyze Voltage Unbalance in Electrical Distribution Power Network in Low Voltage
Mohammed Abdulhadi Almahdi Alsaddeeq
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Research Paper, Electrical Engineering, India, Volume 10 Issue 9, September 2021
Pages: 456 - 459Three Phase Three Level Distribution STATCOM Integrated with Solar
Jitesh Kumar Sahu | Devendra Sharma