Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter
The three-level neutral-point clamped inverter represents a significant advancement in direct torque-control systems for asynchronous motors. A significant achievement of this study lies in the comprehensive analysis of a random frequency-modulation algorithm, which demonstrates its efficacy in subs...
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MDPI AG
2024-11-01
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| Online Access: | https://www.mdpi.com/1996-1073/17/23/6017 |
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| author | Vasilev Bogdan Yurievich Nguyen The Hien |
| author_facet | Vasilev Bogdan Yurievich Nguyen The Hien |
| author_sort | Vasilev Bogdan Yurievich |
| collection | DOAJ |
| description | The three-level neutral-point clamped inverter represents a significant advancement in direct torque-control systems for asynchronous motors. A significant achievement of this study lies in the comprehensive analysis of a random frequency-modulation algorithm, which demonstrates its efficacy in substantially reducing the amplitude of harmonic oscillations and minimizing switching losses. This simplifies filter design and minimizes thermal dissipation in power transistors, thereby enhancing the overall reliability and efficiency of the system. Additionally, the implementation of a six-position torque regulator with a fixed sensitivity zone, applied in direct torque control based on the three-level inverter, improves the stability of the stator flux linkage and reduces the switching frequency of transistors. Numerical simulations conducted in the Matlab/Simulink environment indicate that the proposed algorithm reduces switching losses by 15% during transient states and by 2% during steady-state operation while increasing the system’s efficiency by 2% compared to conventional methods. These findings highlight the potential of the proposed solutions for application in energy-efficient drive systems. |
| format | Article |
| id | doaj-art-67acad345ccc401fa7a7debc598cec7e |
| institution | OA Journals |
| issn | 1996-1073 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj-art-67acad345ccc401fa7a7debc598cec7e2025-08-20T02:38:47ZengMDPI AGEnergies1996-10732024-11-011723601710.3390/en17236017Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped InverterVasilev Bogdan Yurievich0Nguyen The Hien1Department of Electricity and Electromechanics, Saint Petersburg Mining University, 199106 Saint Petersburg, RussiaDepartment of Electricity and Electromechanics, Saint Petersburg Mining University, 199106 Saint Petersburg, RussiaThe three-level neutral-point clamped inverter represents a significant advancement in direct torque-control systems for asynchronous motors. A significant achievement of this study lies in the comprehensive analysis of a random frequency-modulation algorithm, which demonstrates its efficacy in substantially reducing the amplitude of harmonic oscillations and minimizing switching losses. This simplifies filter design and minimizes thermal dissipation in power transistors, thereby enhancing the overall reliability and efficiency of the system. Additionally, the implementation of a six-position torque regulator with a fixed sensitivity zone, applied in direct torque control based on the three-level inverter, improves the stability of the stator flux linkage and reduces the switching frequency of transistors. Numerical simulations conducted in the Matlab/Simulink environment indicate that the proposed algorithm reduces switching losses by 15% during transient states and by 2% during steady-state operation while increasing the system’s efficiency by 2% compared to conventional methods. These findings highlight the potential of the proposed solutions for application in energy-efficient drive systems.https://www.mdpi.com/1996-1073/17/23/6017stochastic pulse-width modulationthree-level neutral-point clamped inverterdirect torque controlharmonic current distortion |
| spellingShingle | Vasilev Bogdan Yurievich Nguyen The Hien Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter Energies stochastic pulse-width modulation three-level neutral-point clamped inverter direct torque control harmonic current distortion |
| title | Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter |
| title_full | Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter |
| title_fullStr | Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter |
| title_full_unstemmed | Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter |
| title_short | Stochastic Pulse-Width Modulation and Modification of Direct Torque Control Based on a Three-Level Neutral-Point Clamped Inverter |
| title_sort | stochastic pulse width modulation and modification of direct torque control based on a three level neutral point clamped inverter |
| topic | stochastic pulse-width modulation three-level neutral-point clamped inverter direct torque control harmonic current distortion |
| url | https://www.mdpi.com/1996-1073/17/23/6017 |
| work_keys_str_mv | AT vasilevbogdanyurievich stochasticpulsewidthmodulationandmodificationofdirecttorquecontrolbasedonathreelevelneutralpointclampedinverter AT nguyenthehien stochasticpulsewidthmodulationandmodificationofdirecttorquecontrolbasedonathreelevelneutralpointclampedinverter |