An adaptive, observer-based switching method for B4 inverters feeding three-phase induction motors
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Hossein Valiyan Holagh
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Tooraj Abbasian Najafabadi
Abstract
A four-switch inverter called the B4 inverter is a reconfigured topology of a B6 inverter, one leg of which is damaged. The four-switch topology provides the overall system with fault-tolerant characteristics. However, this reconfiguration will not only change the system dynamics but also degrade the system performance. For overcoming with these issues, this paper presents an adaptive switching method based on DC-link voltage control. In the proposed method, the selection of active vectors and the calculation of switching times are made according to an adaptive, observer-based algorithm which will reduce DC-link voltage oscillations and adjust unbalanced currents fed to induction machines. In this algorithm, an online, designed observer is utilized so as to estimate the DC amount of the DC-link voltage. Applying this method, we will decrease flux and torque ripples as well as increase the inverter efficiency and performance. The simulation results presented in the MATLAB environment evaluate and validate the performance and effectiveness of this approach.
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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.
References
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Research Articles
- Solving realistic reactive power market clearing problem of wind-thermal power system with system security
- A novel methodology for power loss allocation of both passive and active power distribution systems
- A simple network reduction technique for large autonomous microgrids incorporating an efficient reactive power sharing
- An adaptive, observer-based switching method for B4 inverters feeding three-phase induction motors
- Analysis and evaluation of two short-term load forecasting techniques
- Power quality improvement in a photovoltaic based microgrid integrated network using multilevel inverter
- Comparison between flexible AC transmission systems (FACTs) and filters regarding renewable energy systems harmonics mitigation
- Evaluating the impact of Khanh Son power plant on Danang Distribution Network
- Fast valving automation setting using HRTSim
- Mathematical modeling of polymer dielectric strength considering filling concentration
- Special action on high quality development of renewable energy in Northeast China: market implementation initiatives and suggestions
- Coordinated power management and control of renewable energy sources based smart grid
Articles in the same Issue
- Frontmatter
- Research Articles
- Solving realistic reactive power market clearing problem of wind-thermal power system with system security
- A novel methodology for power loss allocation of both passive and active power distribution systems
- A simple network reduction technique for large autonomous microgrids incorporating an efficient reactive power sharing
- An adaptive, observer-based switching method for B4 inverters feeding three-phase induction motors
- Analysis and evaluation of two short-term load forecasting techniques
- Power quality improvement in a photovoltaic based microgrid integrated network using multilevel inverter
- Comparison between flexible AC transmission systems (FACTs) and filters regarding renewable energy systems harmonics mitigation
- Evaluating the impact of Khanh Son power plant on Danang Distribution Network
- Fast valving automation setting using HRTSim
- Mathematical modeling of polymer dielectric strength considering filling concentration
- Special action on high quality development of renewable energy in Northeast China: market implementation initiatives and suggestions
- Coordinated power management and control of renewable energy sources based smart grid
