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A New Level Shifted Carrier Based PWM Technique for a 5-Level Multilevel Inverter Used in Induction Motor Drives
Abstract
The improvement of power quality at the supply side and the motor side for induction motor drives (IMDs) is always an industrial key interest. The traditional pulse width modulation (PWM) technique used in switching and controlling the IMDs greatly influences the grid power quality. In this paper, a new modified level shifted carrier based PWM technique is proposed for a multilevel inverter (MLI) based IMDs. A 36-pulse diode bridge rectifier is used at the input side of the inverter to suppress the total harmonic distortion (THD) of the supply current. The proposed PWM technique utilizes third harmonic injection technique with inverted sinusoidal carrier signals to form the four level shifted carrier signals for the 5-level (5L) modular multilevel cascaded (MMC) inverter, which is named as third-harmonic injected inverted sinusoidal carrier PWM (THI2SCPWM). The THI2SCPWM offers low supply current THD, low inverter line voltage THD, low stator current THD, high input power factor and smooth dynamic response of the IMD compared to the existing PWM techniques. The performance of the proposed THI2SCPWM technique is verified in MATLAB/Simulink in terms of starting behavior, speed control, load perturbation, and variation of the load and speed of the IMD.
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Research works printed but not linked: 10
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- biswas, 2020, Investigation of the impact of different PWM techniques on rectifier-inverter fed induction motor drive, Proc Australasian Uni Power Eng Conf (AUPEC), 1
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Cited by
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Kadir Sheikh, S., Jain, M., & Chandrakant Tapre, P. (2025) · Tehnički glasnik · doi:10.31803/tg-20230822132129 · Cited by 2
“Additionally, the common mode voltage generated by rectifiers is removed through the use of a phase-shifting transformer [8].”
Metadata
- Authors
- Biswas, S. P., Shamim Anower, M., Haq, S., Islam, M. R., Ashib Rahman, M., & Muttaqi, K. M.
- Affiliations
- Rajshahi University of Engineering and Technology (BD)
- University of Wollongong (AU)
- Venue
- 2021 IEEE Industry Applications Society Annual Meeting (IAS)
- Publisher
- IEEE
- Published
- 2021-10-10
- Pages
- 1-6
- ISSN
- 0197-2618 (ISSN-L)
- OpenAlex
- W4206246034
- Cited by
- 14
- References
- 0
- Citations by year
- 2025: 4 · 2024: 3 · 2023: 4 · 2022: 3
- FWCI
- 3.92
- Type
- conference paper
- Language
- en
- Open access
- closed
- Licence
- Locations
- IEEE Industry Applications Society Annual Meeting (IAS) (publishedVersion)
- Research Online (University of Wollongong) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Power Quality and Harmonics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Sensorless Control of Electric Motors
- Keywords
- induction motor drive, third harmonic injection, total harmonic distortion reduction, power quality, input power factor, speed control, load disturbance
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