All Outputs (505)

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, 37(7), 8488-8501. 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, 10(4), 4347-4360. 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.

Instantaneous Power Control Within an Advanced Power Generation Center for More-Electric Aircraft Applications (2021)
Journal Article
Lang, X., Yang, T., Huang, Z., Wang, Z., Bozhko, S., & Wheeler, P. (2022). Instantaneous Power Control Within an Advanced Power Generation Center for More-Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, 8(3), 3261-3274. https://doi.org/10.1109/tte.2021.3137399

This article presents an instantaneous power control (IPC) to regulate the power flow of a back-to-back converter (BTB converter) within an advanced power generation center (APGC) for more-electric aircraft applications. The APGC essentially is compo... Read More about Instantaneous Power Control Within an Advanced Power Generation Center for More-Electric Aircraft Applications.

Finite Control Set Model Predictive Control for Dual Active Bridge Converter (2021)
Journal Article
Tarisciotti, L., Chen, L., Shao, S., Dragicevic, T., Wheeler, P., & Zanchetta, P. (2022). Finite Control Set Model Predictive Control for Dual Active Bridge Converter. IEEE Transactions on Industry Applications, 58(2), 2155-2165. https://doi.org/10.1109/tia.2021.3135373

Dual active bridge is often considered in many dc/dc converter applications where high efficiency, input/output voltage ratio, and power level are required. Recently, a predictive control technique, named moving discretized control set model predicti... Read More about Finite Control Set Model Predictive Control for Dual Active Bridge Converter.

Enhancement of dynamic wireless power transfer system by model predictive control (2021)
Journal Article
Alkasir, A., Abdollahi, S. E., Abdollahi, S. R., & Wheeler, P. (2022). Enhancement of dynamic wireless power transfer system by model predictive control. IET Power Electronics, 15(1), 67-79. https://doi.org/10.1049/pel2.12213

Wireless power transfer (WPT) system based on a dynamic wireless charging (DWC) scheme, eliminates waiting time for charging electric vehicles (EVs), increases the range of motion, reduces the size of Li-ion battery, and automates the charging proces... Read More about Enhancement of dynamic wireless power transfer system by model predictive control.

An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives (2021)
Journal Article
Li, C., Yang, T., Huang, Z., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives. IEEE Access, 9, 144805-144819. https://doi.org/10.1109/access.2021.3122922

This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation... Read More about An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives.

A Switched-DC Source Sub-Module Multilevel Inverter Topology for Renewable Energy Source Applications (2021)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Babaei, E., Rivera, M., & Wheeler, P. (2021). A Switched-DC Source Sub-Module Multilevel Inverter Topology for Renewable Energy Source Applications. IEEE Access, 9, 135964-135982. https://doi.org/10.1109/access.2021.3115660

This article presents a sub-module topology for switched DC source cascaded multilevel inverter configurations that require fewer switching devices and can generate a high number of voltage levels that are suitable for renewable energy sources. The p... Read More about A Switched-DC Source Sub-Module Multilevel Inverter Topology for Renewable Energy Source Applications.

Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique (2021)
Journal Article
Khera, F. A., Klumpner, C., & Wheeler, P. (2021). Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique. IEEE Access, 9, 133091-133101. https://doi.org/10.1109/ACCESS.2021.3115634

The integration of a Z-source network with a modular multilevel converter (MMC) to provide voltage step-up function is proposed in this paper. The proposed Z-source modular multilevel converter (ZS-MMC) uses a Z-source network connected between the D... Read More about Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique.

Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications (2021)
Journal Article
Gao, Y., Yang, T., Bozhko, S., Wheeler, P., Dragicevic, T.-L., & Gerada, C. (2022). Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications. Chinese Journal of Aeronautics, 35(10), 233-246. https://doi.org/10.1016/j.cja.2021.08.006

This study uses the Neural Network (NN) technique to optimize design of surface-mounted Permanent Magnet Synchronous Motors (PMSMs) for More-Electric Aircraft (MEA) applications. The key role of NN is to provide dedicated correction factors for the a... Read More about Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications.

Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications (2021)
Journal Article
Huang, Z., Yang, T., Giangrande, P., Galea, M., & Wheeler, P. (2021). Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, 8(2), 1966 - 1980. https://doi.org/10.1109/tte.2021.3113606

Electric drives are an essential part of more electric aircraft (MEA) applications with ever-growing demands for high power density, high performance, and high fault-tolerant capability. High-speed motor drives can fulfil those needs, but their speed... Read More about Technical Review of Dual Inverter Topologies for More Electric Aircraft Applications.

Soft-switching non-isolated high step-up three-level boost converter using single magnetic element (2021)
Journal Article
Jazi, H. M., Fekri, M., Keshani, M., Khorasani, R. R., Adib, E., Wheeler, P., …Velasco‐Quesada, G. (2021). Soft-switching non-isolated high step-up three-level boost converter using single magnetic element. IET Power Electronics, 14(14), 2324-2336. https://doi.org/10.1049/pel2.12183

Here, a soft switched three-level boost converter with high voltage gain is proposed which is suitable for high step-up applications with wide output power range. In this converter, a ZVT auxiliary circuit is used which provides soft switching in a w... Read More about Soft-switching non-isolated high step-up three-level boost converter using single magnetic element.

Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls (2021)
Journal Article
Savi, F., Harikumaran, J., Barater, D., Buticchi, G., Gerada, C., & Wheeler, P. (2021). Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls. IEEE Open Journal of the Industrial Electronics Society, 2, 479-488. https://doi.org/10.1109/OJIES.2021.3112124

In applications that require a high availability and high performance (for example aerospace),modular power electronics and multi-phase machines represent an advantageous choice. In this framework, a control system able to handle a high number of PWM... Read More about Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls.

Three-Level Indirect Matrix Converter With Neutral-Point Potential Balance Scheme for Adjustable Speed Drives (2021)
Journal Article
Wang, H., Chen, X., Su, M., Liang, X., Dan, H., Zhang, G., & Wheeler, P. (2022). Three-Level Indirect Matrix Converter With Neutral-Point Potential Balance Scheme for Adjustable Speed Drives. IEEE Transactions on Transportation Electrification, 8(1), 845-855. https://doi.org/10.1109/tte.2021.3112536

To improve the performance and explore a new solution of adjustable speed drive systems, a T-type three-level indirect matrix converter (T3LIMC) topology and its modulation scheme are presented in this article. The presented topology is composed of a... Read More about Three-Level Indirect Matrix Converter With Neutral-Point Potential Balance Scheme for Adjustable Speed Drives.

An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives (2021)
Journal Article
Guo, F., Yang, T., Diab, A. M., Yeoh, S. S., Li, C., Bozhko, S., & Wheeler, P. (2022). An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives. IEEE Transactions on Power Electronics, 37(2), 2021-2032. https://doi.org/10.1109/tpel.2021.3105752

In this article, a virtual space vector based overmodulation algorithm is presented for three-level neutral-point (NP) clamped converters in high-speed aerospace motor drives. With the proposed inscribed polygonal-boundary compression technique, the... Read More about An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives.

An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications (2021)
Journal Article
Lang, X., Yang, T., Li, C., Yeoh, S. S., Bozhko, S., & Wheeler, P. (2021). An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications. IET Power Electronics, 14(13), 2179-2193. https://doi.org/10.1049/pel2.12170

Permanent magnet machines have been used in the high-speed drive applications due to their high-efficiency, high-power-density, and wide-speed range characteristics. However, control of such high-speed permanent magnet machines machine is always chal... Read More about An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive 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.

Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor (2021)
Journal Article
Khowja, M. R., Vakil, G., Gerada, C., Patel, C., Odhano, S., & Wheeler, P. (2021). Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor. Energies, 14(15), Article 4564. https://doi.org/10.3390/en14154564

The present trend of aerospace industries is being shifted towards a “More Electric Aircraft” system which needs to be high power dense. For this purpose, the integration technologies have gained massive interest, providing the benefits of reduced lo... Read More about Integrated motor drive: Mass and volume optimization of the motor with an integrated filter inductor.

Development of High-Current Solid-State Power Controllers for Aircraft High-Voltage DC Network Applications (2021)
Journal Article
Huang, Z., Yang, T., Adhikari, J., Wang, C., Wang, Z., Bozhko, S., & Wheeler, P. (2021). Development of High-Current Solid-State Power Controllers for Aircraft High-Voltage DC Network Applications. IEEE Access, 9, 105048-105059. https://doi.org/10.1109/access.2021.3099257

Solid-state power controllers (SSPCs) have been received increasing attention as they can configure the electrical system and protect the system by fast tripping mechanism at the same time. Although the high-voltage direct current (HVDC) electrical s... Read More about Development of High-Current Solid-State Power Controllers for Aircraft High-Voltage DC Network Applications.

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.

Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft (2021)
Journal Article
Lang, X., Yang, T., Huang, Z., Wang, C., Wang, Z., Bozhko, S., & Wheeler, P. (2021). Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft. IEEE Transactions on Transportation Electrification, 8(1), 660-674. https://doi.org/10.1109/tte.2021.3095256

In the high-power settings of engine, such as maximum take-off, more power should be extracted from the high-pressure spool of engine (HPS) than the low-pressure spool of engine (LPS) to avoid the overspeed and potential instability of the HPS. Howev... Read More about Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft.