Torque Ripple Minimization of PMSM Drive using DTFC-SVM based Control Strategy for Five-Level Cascaded Symmetrical H-Bridge Inverter

Ramesh, T.; Pothuraju, Ramakrishna; Kumar, Poondla Dharmendra

doi:10.1109/icmica48462.2020.9242859

Cited by 7 publications

References 18 publications

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Analysis of torque controlling strategies of interior permanent magnet synchronous machine in hybrid electric vehicle

Usha,

Geetha,

Palanisamy

et al. 2023

SN Appl. Sci.

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Significance of this research is based on torque controlling strategies in hybrid electric vehicle. The traction motor of a hybrid electric commercial vehicle must have a high power density-to-weight ratio and excellent torque at extremely low speeds. A proportional-integral controller estimates the high-resolution rotor position based on the difference between actual as well as reference output power. This technique can correct for hall position sensor installation error and also accurately estimate rotor position. In this study, a current proportional integral controller is also used to determine the permanent magnetic flux linkage. Experiments are used to test other key metrics such as d-axis and q-axis inductances, stator resistance, and energy loss. The measured parameters are kept in lookup tables that span the whole operating range at various current levels. A maximum torque per ampere control methodology, paired with the feed forward parameter iteration method, may be used to produce accurate and efficient torque control based on these precise parameters. The standard driving cycle performance requirements of the modelled Federal Test Procedure vehicle is analysed in the article for understanding the real model requirements of the vehicle. The efficacy of the proposed methodology using Matlab/Simulink environment is analysed. Both modelling and experimental findings validate the efficacy, torque ripple, stator and rotor flux, sensitivity of the vehicle parameter as well as the computational complexity of the proposed methodology.

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Analysis of torque controlling strategies of interior permanent magnet synchronous machine in hybrid electric vehicle

Usha,

Geetha,

Palanisamy

et al. 2023

SN Appl. Sci.

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Effect of Inverter Voltage Levels on Torque Ripples of PMSM Drive

Pandraka,

Rao Tinnavelli,

Anil Kumar

et al. 2024

E3S Web of Conf.

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This paper investigates the performance of Permanent Magnet Synchronous Motors (PMSM) in terms of torque ripples, a critical aspect affecting their operational efficiency and stability. Torque ripples in AC motors are primarily attributed to the switching action of the inverter Insulated Gate Bipolar Transistors (IGBTs), resulting in current fluctuations that directly influence motor torque. Mitigating these ripples is crucial for enhancing motor performance and reducing mechanical stress. This study focuses on utilizing multilevel inverters to minimize torque ripples by smoothing the motor current through harmonic elimination. Three different types of inverters, namely 2-level, 3-level, and 5-level inverters, are simulated to assess their impact on torque ripple reduction. The torque ripples were obtained from two methods where direct simulation is a method chosen and in second method, the average torque is subtracted from instantaneous torque samples. Stator currents are analyzed in the alpha-beta frame to evaluate the effectiveness of each inverter configuration in producing smoother current profiles and subsequently reducing torque ripples. Additionally, simulations are conducted under varying load torque conditions to assess the robustness and applicability of the proposed methodology across a wide range of operating conditions.

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Sliding Mode Observer based Sensorless control of Five level inverter fed Fuzzy Logic based DTFC SVM Controlled PMSM drive

Tangirala

Ramesh

Kumar

et al. 2022

2022 IEEE IAS Global Conference on Emerging Technologies (GlobConET)

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Torque Ripple Minimization of PMSM Drive using DTFC-SVM based Control Strategy for Five-Level Cascaded Symmetrical H-Bridge Inverter

Cited by 7 publications

References 18 publications

Analysis of torque controlling strategies of interior permanent magnet synchronous machine in hybrid electric vehicle

Analysis of torque controlling strategies of interior permanent magnet synchronous machine in hybrid electric vehicle

Effect of Inverter Voltage Levels on Torque Ripples of PMSM Drive

Sliding Mode Observer based Sensorless control of Five level inverter fed Fuzzy Logic based DTFC SVM Controlled PMSM drive

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