Performance evaluation of seven level grid-tied PV inverter employs seven switches with the triple gain
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Tamiru Debela
und
Jiwanjot Singh
Abstract
In this paper, a novel switched capacitor converter has been proposed to generate 7-levels using seven semiconductor switches (7S7L) to get triple gain in the output voltage which is supplied by a single dc source. A PWM technique, phase disposition pulse width modulation (PD-PWM) has been designed to achieve a suitable switching operation for the 7S7L inverter. In addition, the capacitor voltage is balanced and the suggested inverter uses a charging inductor to decrease the capacitor inrush current, which is a shortcoming in the switched-capacitor multilevel inverters. Moreover, the 7S7L inverter is used to interface the solar panels with the utility grid using a synchronous reference frame-based controller. To check the efficiency, taking actual data, power loss calculation has been discussed for the 7S7L inverter. To illustrate the better performance of the proposed 7S7L inverter than the existing seven-level SC-MLI presented in the literature, a comparative study is also undertaken. To verify the feasibility and effectiveness of the proposed topology, a converter is simulated using Matlab/Simulink. To validate the simulation results, a real-time study is completed using the OPAL-RT 4510 real-time platform.
Acknowledgments
The authors gratefully acknowledge the financial support from the Department of Science and Technology (DST), India, sponsored project titled as “Design and development of multi-functional grid-tied inverter for solar energy integration to grid with power quality enhancement features” to successfully carry out the work.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Harmonic power sharing control using adaptive virtual harmonic impedance in islanded microgrids
- Performance evaluation of seven level grid-tied PV inverter employs seven switches with the triple gain
- Transient thermal analysis of gas insulated switchgear modules using thermal network approach
- Multi-source perceptual blind compensation inspection method for substation based on equipment’s visual blind area identification and saliency detection
- Electric vehicle charging pile capacity planning based on normal distribution Monte Carlo sampling model
- Robust synergetic control of electric vehicle equipped with an improved load torque observer
- Techno-economic analysis of integrating battery energy storage systems in industrial buildings
- Enhanced sensitive phase alpha plane scheme against high resistance ground faults
- Improved adaptive micro-grid over current protection scheme considering false tripping
- Low voltage ride through control strategy for grid-tied solar photovoltaic inverter
- Study on the influence of dual-winding optimization design on the torque and suspension performance of bearingless motor
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Harmonic power sharing control using adaptive virtual harmonic impedance in islanded microgrids
- Performance evaluation of seven level grid-tied PV inverter employs seven switches with the triple gain
- Transient thermal analysis of gas insulated switchgear modules using thermal network approach
- Multi-source perceptual blind compensation inspection method for substation based on equipment’s visual blind area identification and saliency detection
- Electric vehicle charging pile capacity planning based on normal distribution Monte Carlo sampling model
- Robust synergetic control of electric vehicle equipped with an improved load torque observer
- Techno-economic analysis of integrating battery energy storage systems in industrial buildings
- Enhanced sensitive phase alpha plane scheme against high resistance ground faults
- Improved adaptive micro-grid over current protection scheme considering false tripping
- Low voltage ride through control strategy for grid-tied solar photovoltaic inverter
- Study on the influence of dual-winding optimization design on the torque and suspension performance of bearingless motor
