All Outputs (13)

Matrix converter based compensator for unbalance mitigation in traction system (2024)
Presentation / Conference Contribution
Kurati, J. S., Mir, T. N., Wheeler, P. W., & Rivera, M. (2024, June). Matrix converter based compensator for unbalance mitigation in traction system. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham. UK

Modern AC Electric trains are designed as single-phase loads and are operated on the three-phase utility grid which causes load asymmetry and leads to unbalanced current flow in the three-phase grid. Several traction unbalance compensators have been... Read More about Matrix converter based compensator for unbalance mitigation in traction system.

Power Electronic Autotransformer Based 3×25 kV Network for Power Quality Enhancement In Railway Supply Systems (2023)
Journal Article
Mir, T. N., & Tricoli, P. (2024). Power Electronic Autotransformer Based 3×25 kV Network for Power Quality Enhancement In Railway Supply Systems. IEEE Transactions on Transportation Electrification, 10(3), 4699-4708. https://doi.org/10.1109/tte.2023.3319591

State of the art single-phase AC traction systems are based on a split-phase 2×25kV supply network with multiple regularly spaced auto-transformers. The main drawbacks of this arrangement are the unbalanced currents in the three-phase grid and reacti... Read More about Power Electronic Autotransformer Based 3×25 kV Network for Power Quality Enhancement In Railway Supply Systems.

Reduced sensor based single stage charger with four quadrant capabilities using predictive control (2023)
Journal Article
Kumar, R., Singh, B., & Mir, T. N. (2023). Reduced sensor based single stage charger with four quadrant capabilities using predictive control. Electric Power Systems Research, 223, Article 109684. https://doi.org/10.1016/j.epsr.2023.109684

Single stage battery chargers eliminate the DC link capacitor stage between two stage power conversion. In this work, a reduced sensor based four quadrant charger with single stage power conversion is realized with AC–DC matrix converter topology. A... Read More about Reduced sensor based single stage charger with four quadrant capabilities using predictive control.

Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter (2023)
Journal Article
Mir, T. N., Singh, B., Bhat, A. H., Rivera, M., & Wheeler, P. (2023). Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter. IEEE Open Journal of Industry Applications, 4, 178-187. https://doi.org/10.1109/ojia.2023.3279776

This article presents an alternative ac–ac converter topology and its control for low-speed three-phase induction motor drives fed from single-phase ac mains. The proposed matrix converter based drive system eliminates the dc link capacitor, thus fac... Read More about Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter.

Adaptive Hysteresis Current Control For Improved EMI Performance in Fast Switching Motor Drives (2023)
Presentation / Conference Contribution
Mir, T. N., Deng, X., Mecrow, B., Smith, D., Wu, M., Ullah, S., & Ikhlaq, M. (2023). Adaptive Hysteresis Current Control For Improved EMI Performance in Fast Switching Motor Drives. In 2023 IEEE International Electric Machines & Drives Conference (IEMDC). https://doi.org/10.1109/iemdc55163.2023.10239058

Electromagnetic interference (EMI) in pulse width modulated converters is exacerbated through carrier based modulation techniques that are associated with sharp spectral peaks around multiples of the switching frequency. As a mitigation measure, spre... Read More about Adaptive Hysteresis Current Control For Improved EMI Performance in Fast Switching Motor Drives.

Predictive Algorithm for Control of Common Mode Voltage and Switching Frequency in Direct Matrix Converter Fed System (2021)
Journal Article
Qazi, S., Mir, T. N., Bhat, A. H., & Singh, B. (2022). Predictive Algorithm for Control of Common Mode Voltage and Switching Frequency in Direct Matrix Converter Fed System. IEEE Transactions on Industrial Electronics, 69(12), 13316-13325. https://doi.org/10.1109/TIE.2021.3128889

Multiobjective model predictive control (Mo-MPC), owing to its simplicity and adaptability to comply with diverse constraints, has gained popularity in the control of direct matrix converters (DMCs). However, the MPC strategy makes the converter oper... Read More about Predictive Algorithm for Control of Common Mode Voltage and Switching Frequency in Direct Matrix Converter Fed System.

FS-MPC-Based Speed Sensorless Control of Matrix Converter Fed Induction Motor Drive with Zero Common Mode Voltage (2020)
Journal Article
Mir, T. N., Singh, B., & Bhat, A. H. (2021). FS-MPC-Based Speed Sensorless Control of Matrix Converter Fed Induction Motor Drive with Zero Common Mode Voltage. IEEE Transactions on Industrial Electronics, 68(10), 9185-9195. https://doi.org/10.1109/TIE.2020.3020031

The matrix converter (MC) is often projected as a substitute to voltage source converter due to its numerous advantages, especially in converter fed drive systems, where features like bidirectional power flow, common mode voltage (CMV) elimination, i... Read More about FS-MPC-Based Speed Sensorless Control of Matrix Converter Fed Induction Motor Drive with Zero Common Mode Voltage.

Predictive Speed Estimation for Encoderless Control of an Induction Motor Fed by Delta Sigma Modulated Matrix Converter (2020)
Journal Article
Mir, T. N., Singh, B., & Bhat, A. H. (2020). Predictive Speed Estimation for Encoderless Control of an Induction Motor Fed by Delta Sigma Modulated Matrix Converter. IEEE Transactions on Industry Applications, 56(6), 6477-6485. https://doi.org/10.1109/TIA.2020.3013722

Predictive control has emerged as a popular tool in the modulation of power converters and control of sensorless motor drives. However, it is associated with inherent limitations, such as increased processor burden and heuristic weight tuning, when d... Read More about Predictive Speed Estimation for Encoderless Control of an Induction Motor Fed by Delta Sigma Modulated Matrix Converter.

Delta-Sigma Modulation Based Common-Mode Voltage Elimination in Direct Matrix Converter (2020)
Journal Article
Mir, T. N., Singh, B., & Bhat, A. H. (2020). Delta-Sigma Modulation Based Common-Mode Voltage Elimination in Direct Matrix Converter. IEEE Transactions on Industrial Informatics, 17(2), 1048-1057. https://doi.org/10.1109/TII.2020.2987918

The direct matrix converter (DMC) offers a compact and robust solution over typical ac-dc-ac converter, by enabling direct ac-ac power conversion without any energy storage requirements. Moreover, it offers enhanced source current quality, innate bid... Read More about Delta-Sigma Modulation Based Common-Mode Voltage Elimination in Direct Matrix Converter.

Improvised multi-objective model predictive control of matrix converter using fuzzy logic and space vectors for switching decisions (2020)
Journal Article
Mir, T. N., Singh, B., & Bhat, A. H. (2020). Improvised multi-objective model predictive control of matrix converter using fuzzy logic and space vectors for switching decisions. IET Power Electronics, 13(4), 758-764. https://doi.org/10.1049/iet-pel.2018.5873

Finite control set model predictive control (FCS-MPC) has lately received noteworthy attention in the control of power converters. Such converters have a finite number of switching states, which ensure a small sample space of predictions and minimum... Read More about Improvised multi-objective model predictive control of matrix converter using fuzzy logic and space vectors for switching decisions.

Predictive delta sigma modulation for three-phase to three-phase matrix converters (2019)
Journal Article
Mir, T. N., Singh, B., & Bhat, A. H. (2019). Predictive delta sigma modulation for three-phase to three-phase matrix converters. IEEE Transactions on Power Electronics, 35(1), 968-976. https://doi.org/10.1109/TPEL.2019.2910586

As research in matrix converters (MCs) has progressed over time, space vector modulation has emerged as the most popular technique for their modulation. Lately, model predictive control (MPC) has also been explored for the modulation and control of M... Read More about Predictive delta sigma modulation for three-phase to three-phase matrix converters.

Speed-Sensorless DTC of a Matrix Converter Fed Induction Motor Using an Adaptive Flux Observer (2018)
Journal Article
Mir, T. N., Singh, B., & Bhat, A. H. (2021). Speed-Sensorless DTC of a Matrix Converter Fed Induction Motor Using an Adaptive Flux Observer. IETE Journal of Research, 67(3), 414-424. https://doi.org/10.1080/03772063.2018.1552206

This paper aims at combining some of the best features of an available induction motor (IM) drive system while introducing a simplified adaptive flux estimation algorithm for sensorless operation. The use of a matrix converter (MC) is proposed to ach... Read More about Speed-Sensorless DTC of a Matrix Converter Fed Induction Motor Using an Adaptive Flux Observer.

Constant Switching Frequency DTC for Matrix Converter Fed Speed Sensorless Induction Motor Drive (2018)
Journal Article
Nazir Mir, T., Singh, B., & Hamid Bhat, A. (2018). Constant Switching Frequency DTC for Matrix Converter Fed Speed Sensorless Induction Motor Drive. Journal of The Institution of Engineers (India): Series B, 99, 527–535. https://doi.org/10.1007/s40031-018-0336-6

The paper presents a constant switching frequency scheme for speed sensorless Direct Torque Control (DTC) of Matrix Converter fed Induction Motor Drive. The use of matrix converter facilitates improved power quality on input as well as motor side, al... Read More about Constant Switching Frequency DTC for Matrix Converter Fed Speed Sensorless Induction Motor Drive.