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Title: Active and reactive power control of grid-connected single-phase asymmetrical eleven-level inverter
Authors: Tayyab, Mohammad
Sarwar, Adil
Murshid, Shadab
Tariq, Mohd
Al-Durra, Ahmed
Bakhsh, Farhad Ilahi
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Source: Tayyab, M., Sarwar, A., Murshid, S., Tariq, M., Al-Durra, A. & Bakhsh, F. I. (2022). Active and reactive power control of grid-connected single-phase asymmetrical eleven-level inverter. IET Generation, Transmission and Distribution, 12442-.
Journal: IET Generation, Transmission and Distribution
Abstract: In recent times, multilevel inverters (MLIs) have become very popular for commercial and industrial applications. Here, an eleven-level inverter and its power flow control are presented. The presented topology has a lesser component count than other existing topologies, thus reducing the devices and overall cost of the inverter. This inverter comprises six bidirectional switches, two DC sources, one four-quadrant switch, and two capacitors for the voltage divider circuit. The conduction modes and corresponding switching states of the presented eleven-level inverter are shown in detail. Further, the apparent power control of the presented inverter under grid-connected operation is discussed, which provides simultaneous active and reactive power control over the power injected into the grid. Switching and conduction losses are calculated for 3 and 6 kVA grid injected power at 0.8 power factor lagging. The obtained results show that the total harmonic distortion (THD) of the inverter output voltage and grid current is 12.10% and 0.23%, respectively, under 6 kVA power transfer conditions. The real-time analysis is also carried out for 3 and 6 kVA power transfer conditions for the presented eleven-level inverter to validate the active and reactive power flow control.
ISSN: 1751-8687
DOI: 10.1049/gtd2.12442
Schools: School of Electrical and Electronic Engineering 
Rights: © 2022 The Authors. IET Generation, Transmission & Distribution published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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