All Outputs (20)

Design and Analysis of Reconfigurable Resonant Converter with Ultra Wide Output Voltage Range (2024)
Journal Article
Qazi, S., Venugopal, P., Watson, A. J., Wheeler, P., & Soeiro, T. B. (2024). Design and Analysis of Reconfigurable Resonant Converter with Ultra Wide Output Voltage Range. IEEE Transactions on Power Electronics, 39(5), 5750-5763. https://doi.org/10.1109/tpel.2024.3365391

In this article, a reconfigurable isolated dc/dc converter is proposed suitable for a wide output voltage range of 180–1500 V for efficient onshore charging in maritime applications. The proposed circuit concept can also fulfill the requirements of o... Read More about Design and Analysis of Reconfigurable Resonant Converter with Ultra Wide Output Voltage Range.

A Survey on Multi-Active Bridge DC-DC Converters: Power Flow Decoupling Techniques, Applications, and Challenges (2023)
Journal Article
Koohi, P., Watson, A. J., Clare, J. C., Batista Soeiro, T., & Wheeler, P. W. (2023). A Survey on Multi-Active Bridge DC-DC Converters: Power Flow Decoupling Techniques, Applications, and Challenges. Energies, 16(16), Article 5927. https://doi.org/10.3390/en16165927

Multi-port DC-DC converters are a promising solution for a wide range of applications involving multiple DC sources, storage elements, and loads. Multi-active bridge (MAB) converters have attracted the interest of researchers over the past two decade... Read More about A Survey on Multi-Active Bridge DC-DC Converters: Power Flow Decoupling Techniques, Applications, and Challenges.

Powering Maritime: Challenges and prospects in ship electrification (2023)
Journal Article
Qazi, S., Venugopal, P., Rietveld, G., Soeiro, T. B., Shipurkar, U., Grasman, A., …Wheeler, P. (2023). Powering Maritime: Challenges and prospects in ship electrification. IEEE Electrification Magazine, 11(2), 74-87. https://doi.org/10.1109/mele.2023.3264926

The exponential increase in Global greenhouse gas (GHG) emissions and the rapid depletion of fossil fuels over the past few decades have swayed the transportation sector toward becoming more electric. In the last decade, with continuous improvements... Read More about Powering Maritime: Challenges and prospects in ship electrification.

A Class-E-Based Multichannel Auxiliary Power Supply with Individual Hysteresis Control (2023)
Journal Article
Li, Y., Watson, A. J., & Kaya, M. (2023). A Class-E-Based Multichannel Auxiliary Power Supply with Individual Hysteresis Control. IEEE Journal of Emerging and Selected Topics in Power Electronics, 11(3), 3335-3347. https://doi.org/10.1109/jestpe.2023.3264107

A high performance auxiliary power supply (APS) with multiple isolated outputs plays a crucial role in ensuring the effective operation of power converter systems. An isolated resonant current source converter is usually adopted as the APS in medium-... Read More about A Class-E-Based Multichannel Auxiliary Power Supply with Individual Hysteresis Control.

Reinforcement Learning-Based Method to Exploit Vulnerabilities of False Data Injection Attack Detectors in Modular Multilevel Converters (2023)
Journal Article
Burgos-Mellado, C., Zuñiga-Bauerle, C., Muñoz-Carpintero, D., Arias-Esquivel, Y., Càrdenas-Dobson, R., DragiČević, T., …Watson, A. (2023). Reinforcement Learning-Based Method to Exploit Vulnerabilities of False Data Injection Attack Detectors in Modular Multilevel Converters. IEEE Transactions on Power Electronics, 1-15. https://doi.org/10.1109/TPEL.2023.3263728

Implementing control schemes for modular multilevel converters (M2Cs) involves both a cyber and a physical level, leading to a cyber-physical system (CPS). At the cyber level, a communication network enables the data exchange between sensors, control... Read More about Reinforcement Learning-Based Method to Exploit Vulnerabilities of False Data Injection Attack Detectors in Modular Multilevel Converters.

A Switched Mid-Point Modular Multilevel Converter for HVDC Applications (2022)
Journal Article
Hassan, Z., Watson, A. J., Tardelli, F., & Clare, J. (2023). A Switched Mid-Point Modular Multilevel Converter for HVDC Applications. IEEE Transactions on Power Delivery, 38(3), 1534-1547. https://doi.org/10.1109/tpwrd.2022.3217715

The modular multilevel converter (MMC) has emerged as the industry standard for voltage source converters (VSC) based high voltage direct-current (HVDC) applications since its benefits of scalability, modularity, high efficiency and better output qua... Read More about A Switched Mid-Point Modular Multilevel Converter for HVDC Applications.

A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation (2022)
Conference Proceeding
Li, Y., Watson, A., Kaya, M., & Wheeler, P. (2022). A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation. In 2022 IEEE Energy Conversion Congress and Exposition (ECCE). https://doi.org/10.1109/ECCE50734.2022.9948104

A high performance auxiliary power supply (APS) plays a crucial role in ensuring the reliability and safety of power converter systems. In this paper, a Class E-based multichannel APS, featured with simple circuit structure, zero-voltage-switching (Z... Read More about A Class E-Based Multichannel Auxiliary Power Supply with Load Independent Zero-Voltage-Switching Operation.

Cyber-attacks in modular multilevel converters (2022)
Journal Article
Burgos-Mellado, C., Donoso, F., Dragicevic, T., Cardenas-Dobson, R., Wheeler, P., Clare, J. C., & Watson, A. J. (2022). Cyber-attacks in modular multilevel converters. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2022.3147466

Distributed control of modular multilevel converter (MMC) submodules offers several potential benefits such as flexibility and modularity. In this approach, low-level control tasks, such as capacitor voltage balancing, can be distributed amongst cont... Read More about Cyber-attacks in modular multilevel converters.

FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation (2022)
Journal Article
Akbar, S. M., Hasan, A., Watson, A. J., & Wheeler, P. (2022). FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation. IEEE Journal of Emerging and Selected Topics in Power Electronics, https://doi.org/10.1109/JESTPE.2022.3148355

High frequency transformers are a key component of dual active bridge (DAB) dc-dc converters, providing isolation and voltage scaling. The losses in the transformer should be minimized to improve efficiency and extend lifetime. The existing research... Read More about FEA based Transformer Loss Analysis for Dual Active Bridge DC-DC Converter using Triple Phase Shift Modulation.

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. (2021). Continuous Set Model Predictive Control for Energy Management of Modular Multilevel Matrix Converters. IEEE Transactions on Power Electronics, 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)
Conference Proceeding
Saleh, B. M., Donoso Merlet, F., Costabeber, A., Watson, A. J., & Clare, J. C. (2021). Trapezoidal operation of modular multilevel DC-DC converter for HVDC interconnections. In IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society (1-6). https://doi.org/10.1109/IECON48115.2021.9589971

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.

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.

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)
Conference Proceeding
Kaya, M., Costabeber, A., Watson, A. J., Tardelli, F., & Clare, J. C. (2021). A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability. In 2020 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). https://doi.org/10.1109/PEDES49360.2020.9379514

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.

A Series Chain-Link Modular Multilevel DC-DC Converter For High Voltage and High Power Applications (2020)
Conference Proceeding
Saleh, B. M., Costabeber, A., Watson, A. J., & Clare, J. C. (2020). A Series Chain-Link Modular Multilevel DC-DC Converter For High Voltage and High Power Applications. . https://doi.org/10.1109/COMPEL49091.2020.9265662

© 2020 IEEE. In high voltage and high-power applications, many modular multilevel DC-DC converter topologies have been proposed for DC voltage scaling applications. In most of those proposed a three phase transformer is required. The construction of... Read More about A Series Chain-Link Modular Multilevel DC-DC Converter For High Voltage and High Power Applications.

Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter (2020)
Conference Proceeding
Akbar, S. M., Hasan, A., Watson, A., Wheeler, P., & Odhano, S. (2020). Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter. . https://doi.org/10.1109/IECON43393.2020.9254434

© 2020 IEEE. Isolated DC/DC modular multilevel converters (MMC) consisting of two MMCs isolated by a transformer are one of the converter topologies being considered used for DC/DC conversion in HVDC transmission. Two level modulation can be used to... Read More about Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter.

Asymmetrical Triangular Current Mode (ATCM) for Bidirectional High Step Ratio Modular Multilevel Dc–Dc Converter (2019)
Journal Article
Pineda, C., Pereda, J., Rojas, F., Cerda, C., Zhang, X., & J. Watson, A. (2020). Asymmetrical Triangular Current Mode (ATCM) for Bidirectional High Step Ratio Modular Multilevel Dc–Dc Converter. IEEE Transactions on Power Electronics, 35(7), 6906-6915. https://doi.org/10.1109/tpel.2019.2957951

Direct current (Dc) networks have proven advantages in high voltage direct current (HVDC) transmission systems, and now they are expanding to medium- and low-voltage distribution networks. One of the major challenges is to develop reliable dc-dc volt... Read More about Asymmetrical Triangular Current Mode (ATCM) for Bidirectional High Step Ratio Modular Multilevel Dc–Dc Converter.

A New Capacitor Voltage Balancing Method for Trapezoidal Operation of Modular Multilevel DC-DC Converters (2019)
Conference Proceeding
Saleh, B. M., Costabeber, A., Watson, A., Tardelli, F., & Clare, J. (2019). A New Capacitor Voltage Balancing Method for Trapezoidal Operation of Modular Multilevel DC-DC Converters. In 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe) (1-9). https://doi.org/10.23919/EPE.2019.8915177

© 2019 EPE Association. In this paper, a new submodule (SM) capacitor voltage balancing algorithm is proposed for the trapezoidal operation of a Modular Multilevel DC-DC converter (MMC-DC-DC) for HVDC/MVDC. Trapezoidal wave-shaping leads to SM switch... Read More about A New Capacitor Voltage Balancing Method for Trapezoidal Operation of Modular Multilevel DC-DC Converters.

Modulated Model Predictive Control for a Three-Phase Active Rectifier (2014)
Journal Article
Tarisciotti, L., Zanchetta, P., Watson, A., Clare, J. C., Degano, M., & Bifaretti, S. (2015). Modulated Model Predictive Control for a Three-Phase Active Rectifier. IEEE Transactions on Industry Applications, 51(2), 1610-1620. https://doi.org/10.1109/TIA.2014.2339397

Model predictive control (MPC) has a number of desirable attributes which are difficult to achieve with classical converter control techniques. Unfortunately, the nature of power electronics imposes restriction to the method, as a result of the limit... Read More about Modulated Model Predictive Control for a Three-Phase Active Rectifier.