Outputs (14)

Optimal Location and Sizing of Distributed Generators and Energy Storage Systems in Microgrids: A Review (2022)
Journal Article
Grisales-Noreña, L. F., Restrepo-Cuestas, B. J., Cortés-Caicedo, B., Montano, J., Rosales-Muñoz, A. A., & Rivera, M. (2023). Optimal Location and Sizing of Distributed Generators and Energy Storage Systems in Microgrids: A Review. Energies, 16(1), Article 106. https://doi.org/10.3390/en16010106

This article reviews the main methodologies employed for the optimal location, sizing, and operation of Distributed Generators (DGs) and Energy Storage Systems (ESSs) in electrical networks. For such purpose, we first analyzed the devices that compri... Read More about Optimal Location and Sizing of Distributed Generators and Energy Storage Systems in Microgrids: A Review.

Research on a Three-Coil Hybrid IPT Charger with Improved Tolerance to Coupling Variation and Load-Independent Output (2022)
Journal Article
Wang, Y., Liu, H., Wu, F., Wheeler, P., Zhou, Q., & Zhao, S. (2023). Research on a Three-Coil Hybrid IPT Charger with Improved Tolerance to Coupling Variation and Load-Independent Output. IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 4(2), 625-636. https://doi.org/10.1109/JESTIE.2022.3231234

With the purpose of improving the reliability of inductive power transfer (IPT) system, a three-coil hybrid IPT topology with improved tolerance to coupling variation and load-independent output is presented, which can ensure constant output of the s... Read More about Research on a Three-Coil Hybrid IPT Charger with Improved Tolerance to Coupling Variation and Load-Independent Output.

An Improved Control Strategy of PM-Assisted Synchronous Reluctance Machines Based on an Extended State Observer (2022)
Presentation / Conference Contribution
Li, D., Gu, C., Wang, S., Zhang, H., Gerada, C., Camilleri, R., & Zhang, Y. (2022, October). An Improved Control Strategy of PM-Assisted Synchronous Reluctance Machines Based on an Extended State Observer. Presented at 2022 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific), Haining, China

PM-Assisted synchronous reluctance machines (PMSynRM) show large speed fluctuations and poor dynamic response when encountering a large disturbance. Additionally, the PI controller is not capable of eliminating steady-state errors when disturbances a... Read More about An Improved Control Strategy of PM-Assisted Synchronous Reluctance Machines Based on an Extended State Observer.

Sensorless control of IPMSM using a discrete-time super twisting observer by high-frequency current injection in low speed region (2022)
Journal Article
Xu, Z., & Gerada, C. (2022). Sensorless control of IPMSM using a discrete-time super twisting observer by high-frequency current injection in low speed region. Energy Reports, 8(Suppl 15), 650-657. https://doi.org/10.1016/j.egyr.2022.10.166

Control of interior permanent magnet synchronous motors (IPMSMs) has been extensively attempted without any position sensor. At extremely low speeds, sensorless operation would not rely on the fundamental model-based sensorless methods since the situ... Read More about Sensorless control of IPMSM using a discrete-time super twisting observer by high-frequency current injection in low speed region.

Dynamic power decoupling for low-voltage ride-through of grid-forming inverters (2022)
Journal Article
Ji, F., Xu, Z., & Gerada, C. (2022). Dynamic power decoupling for low-voltage ride-through of grid-forming inverters. Energy Reports, 8(Supplement 15), 247-258. https://doi.org/10.1016/j.egyr.2022.10.083

In grid-forming technologies, the power controllers emulate the operation of synchronous generator. The frequency regulation, power-decoupling and virtual inertia are mostly achieved on the basis of small-signal models. However, the transient power a... Read More about Dynamic power decoupling for low-voltage ride-through of grid-forming inverters.

Mitigation of AC Winding Losses for Aircraft Propulsion Motors (2022)
Presentation / Conference Contribution
Hebala, A., Nuzzo, S., Connor, P. H., Volpe, G., Gerada, C., & Galea, M. (2022, October). Mitigation of AC Winding Losses for Aircraft Propulsion Motors. Presented at IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society, Brussels, Belgium

In this paper, the AC copper losses are investigated and mitigated for different permanent magnet synchronous motor designs. AC copper losses can represent a substantial share of the total loss in electrical machines. In an application such as aerosp... Read More about Mitigation of AC Winding Losses for Aircraft Propulsion Motors.

Simplified model predictive current control based on fast vector selection method in a VIENNA rectifier (2022)
Journal Article
Song, W., Yang, Y., Jiao, Z., Xu, S., Dang, C., & Wheeler, P. (2023). Simplified model predictive current control based on fast vector selection method in a VIENNA rectifier. IET Power Electronics, 16(3), 436-446. https://doi.org/10.1049/pel2.12395

This paper presents a simplified finite-control-set model predictive control (S-FCS-MPC) based on fast vector selection method in a three-level VIENNA rectifier. This method features a high-power factor, a low input current THD as a well-controlled D... Read More about Simplified model predictive current control based on fast vector selection method in a VIENNA rectifier.

Magnetic Field and Radial Force Analysis of Six-Phase Rotary Machine (2022)
Journal Article
Dong, Z., Yan, L., & Gerada, C. (2022). Magnetic Field and Radial Force Analysis of Six-Phase Rotary Machine. Guidance, Navigation and Control, 02(03), Article 2250011. https://doi.org/10.1142/s273748072250011x

Six-phase permanent magnet synchronous machine and the control system are also widely used in industry, precision instruments and aerospace. However, most PMSMs employ magnet patterns either in alternatively radial magnetization or Halbach array, whi... Read More about Magnetic Field and Radial Force Analysis of Six-Phase Rotary Machine.

Electromechanical Characteristics Analysis under DSISC Fault in Synchronous Generators (2022)
Journal Article
He, Y.-L., Qiu, M.-H., Yuan, X.-H., He, X.-L., Wang, H.-P., Jiang, M.-Y., Gerada, C., & Wan, S.-T. (2022). Electromechanical Characteristics Analysis under DSISC Fault in Synchronous Generators. Machines, 10(6), Article 432. https://doi.org/10.3390/machines10060432

This paper studies the electromechanical characteristics of synchronous generators under dynamic stator interturn short circuit (DSISC). First, the air gap magnetic flux density (MFD) of the generator under normal and DSISC fault was obtained. Then,... Read More about Electromechanical Characteristics Analysis under DSISC Fault in Synchronous Generators.

FCS–MPC with Nonlinear Control Applied to a Multicell AFE Rectifier (2022)
Journal Article
Espinosa, E., Espinoza, J., Melín, P., Rohten, J., Rivera, M., & Muñoz, J. (2022). FCS–MPC with Nonlinear Control Applied to a Multicell AFE Rectifier. Sensors, 22(11), Article 4100. https://doi.org/10.3390/s22114100

The use of controlled power converters has been extended for high power applications, stacking off-the-shelve semiconductors, and allowing the implementation of, among others, AC drives for medium voltages of 2.3 kV to 13.8 kV. For AC drives based on... Read More about FCS–MPC with Nonlinear Control Applied to a Multicell AFE Rectifier.