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- Title
Harmonic distortion reduction in modular multilevel converters by novel mixed harmonic injection.
- Authors
Motwani, Jayesh Kumar; Piegari, Luigi
- Abstract
Summary: This paper proposes a novel modulation scheme to reduce the harmonic content of voltages and currents caused by modular multilevel converters with embedded battery cell when employed for application in battery energy storage systems in the grid. The reduction in total harmonic distortion (THD) is obtained by injecting selected harmonics in modulating wave for phase disposition sinusoidal pulse width modulation. The main innovation is in the frequency of these injected harmonics, most of which are kept considerably higher than the carrier frequency. The injection has further been improved using closed‐loop control for optimum reduction in the harmonic content of output. The simulations are performed and tested on MATLAB‐SIMULINK and demonstrate a satisfactory reduction in both voltage and current THD without any counter effect.
- Subjects
INJECTIONS; BATTERY storage plants; HARMONIC distortion (Physics); GRID energy storage; PULSE width modulation; ENERGY storage
- Publication
International Transactions on Electrical Energy Systems, 2021, Vol 31, Issue 10, p1
- ISSN
2050-7038
- Publication type
Article
- DOI
10.1002/2050-7038.12871