Dr ALAN WATSON's Outputs (9)

Continuous Set Model Predictive Control for Energy Management of Modular Multilevel Matrix Converters (2021)
Journal Article
Urrutia, M., Cardenas-Dobson, R., Clare, J. C., Diaz, M., & Watson, A. J. (2022). Continuous Set Model Predictive Control for Energy Management of Modular Multilevel Matrix Converters. IEEE Transactions on Power Electronics, 37, 5731-5748. https://doi.org/10.1109/TPEL.2021.3133695

The Modular Multilevel Matrix Converter is an AC-AC power converter proposed for high power applications such as motor drive and wind energy conversion systems. The M 3C has 9 clusters, allowing 4 circulating currents for converter energy management.... Read More about Continuous Set Model Predictive Control for Energy Management of Modular Multilevel Matrix Converters.

Trapezoidal operation of modular multilevel DC-DC converter for HVDC interconnections (2021)
Presentation / Conference Contribution
Saleh, B. M., Donoso Merlet, F., Costabeber, A., Watson, A. J., & Clare, J. C. (2021, October). Trapezoidal operation of modular multilevel DC-DC converter for HVDC interconnections. Presented at IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, Ontario, Canada

High Voltage Direct Current (HVDC) grids are becoming a preferred option for the expansion of the traditional electrical networks as a result of their potential economic, technical and environmental benefits. Developing HVDC grids includes the linkin... Read More about Trapezoidal operation of modular multilevel DC-DC converter for HVDC interconnections.

A Push-Pull Series Connected Modular Multilevel Converter for HVDC Applications (2021)
Journal Article
Kaya, M., Costabeber, A., Watson, A. J., Tardelli, F., & Clare, J. C. (2022). A Push-Pull Series Connected Modular Multilevel Converter for HVDC Applications. IEEE Transactions on Power Electronics, 37(3), 3111 - 3129. https://doi.org/10.1109/TPEL.2021.3115338

This article introduces a push-pull series connected (PPSC) ac-dc converter intended for high voltage direct current (HVDC) applications. The proposed topology requires fewer submodules compared to a standard modular multilevel converter (MMC) to wit... Read More about A Push-Pull Series Connected Modular Multilevel Converter for HVDC Applications.

Current Control of LCL-Type Shunt APFs: Damping Characteristics, Stability Analysis, and Robust Design against Grid Impedance Variation (2021)
Journal Article
Yang, L., Yang, J., Gao, M., Watson, A., & Wheeler, P. (2021). Current Control of LCL-Type Shunt APFs: Damping Characteristics, Stability Analysis, and Robust Design against Grid Impedance Variation. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(4), 5026-5042. https://doi.org/10.1109/JESTPE.2020.3017551

This article is focused on a dual-loop current control (grid current loop and inverter-side current loop) with the point of common coupling (PCC) voltage feedforward control for digitally controlled LCL-type shunt active power filters (APFs). However... Read More about Current Control of LCL-Type Shunt APFs: Damping Characteristics, Stability Analysis, and Robust Design against Grid Impedance Variation.

Model Predictive Control with Triple Phase Shift Modulation for a Dual Active Bridge DC-DC Converter (2021)
Journal Article
Akbar, S. M., Hasan, A., Watson, A. J., & Wheeler, P. (2021). Model Predictive Control with Triple Phase Shift Modulation for a Dual Active Bridge DC-DC Converter. IEEE Access, 9, 98603-98614. https://doi.org/10.1109/ACCESS.2021.3095553

A fast dynamic response is one of the key demands for the dual active bridge (DAB) dc-dc converter to achieve a well-regulated output voltage over a wide range of operating conditions. Recently, model predictive control (MPC) has become a promising a... Read More about Model Predictive Control with Triple Phase Shift Modulation for a Dual Active Bridge DC-DC Converter.

Optimal ZCS Modulation for BidirectionalHigh-Step-Ratio Modular Multilevel dc-dc Converter (2021)
Journal Article
Pineda, C., Pereda, J., Rojas, F., Droguett, G., Burgos-Mellado, C., & Watson, A. J. (2021). Optimal ZCS Modulation for BidirectionalHigh-Step-Ratio Modular Multilevel dc-dc Converter. IEEE Transactions on Power Electronics, 36(11), 12540 - 12550. https://doi.org/10.1109/TPEL.2021.3078235

Recent developments in dc powered technologies have increased interest in highly efficient dc-dc converters, especially at high voltage and high-step voltage ratios. Modular multilevel converters (MMCs) are an attractive alternative approach to this... Read More about Optimal ZCS Modulation for BidirectionalHigh-Step-Ratio Modular Multilevel dc-dc Converter.

Circulating Current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control (2021)
Journal Article
Urrutia, M., Cardenas, R., Clare, J. C., & Watson, A. (2021). Circulating Current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(5), 6069-6085. https://doi.org/10.1109/jestpe.2021.3071964

In this work, a Continuous-Control-Set Model Predictive Control (CCS-MPC) strategy, with a saturation scheme for protection, is presented for regulating the circulating currents of a Modular Multilevel Matrix Converter (M3C). The proposed scheme is b... Read More about Circulating Current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control.

A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability (2021)
Presentation / Conference Contribution
Kaya, M., Costabeber, A., Watson, A. J., Tardelli, F., & Clare, J. C. (2020, December). A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability. Presented at 9th IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2020), Jaipur, India

This paper introduces a hybrid chain-link push-pull series connected (H-CL-P2SC) modular multilevel converter for HVDC applications, especially for those considering a connection of off-shore wind farms to the grid. On the ac side, each converter pha... Read More about A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability.

Experimental Validation of a Nested Control System to Balance the Cell Capacitor Voltages in Hybrid MMCs (2021)
Journal Article
Donoso, F., Cardenas, R., Espinoza, M., Clare, J., Mora, A., & Watson, A. (2021). Experimental Validation of a Nested Control System to Balance the Cell Capacitor Voltages in Hybrid MMCs. IEEE Access, 9, 21965-21985. https://doi.org/10.1109/ACCESS.2021.3054340

© 2013 IEEE. In a hybrid modular multilevel converter (MMC), capacitor voltage balance between the Full-Bridge Sub-Modules (FBSMs) and Half-Bridge Sub-Modules (HBSMs) is only possible when the arm currents are bipolar. For a grid-connected MMC, opera... Read More about Experimental Validation of a Nested Control System to Balance the Cell Capacitor Voltages in Hybrid MMCs.