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An Integrated Method for Three-Phase AC Excitation and High-Frequency Voltage Signal Injection for Sensorless Starting of Aircraft Starter/Generator (2018)
Journal Article
Wei, J., Xu, H., Zhou, B., Zhang, Z., & Gerada, C. (2019). An Integrated Method for Three-Phase AC Excitation and High-Frequency Voltage Signal Injection for Sensorless Starting of Aircraft Starter/Generator. IEEE Transactions on Industrial Electronics, 66(7), 5611-5622. https://doi.org/10.1109/tie.2018.2871795

© 1982-2012 IEEE. This paper proposes an integrated method of three-phase ac excitation and high-frequency voltage signal injection (HFVSI) for sensorless controlled starting of brushless synchronous machines (BSM) used as starter/generator in variab... Read More about An Integrated Method for Three-Phase AC Excitation and High-Frequency Voltage Signal Injection for Sensorless Starting of Aircraft Starter/Generator.

A novel immense configurations of boost converter for renewable energy application (2018)
Presentation / Conference Contribution
Maroti, P. K., Padmanaban, S., Blaabjerg, F., Ionel, D., & Wheeler, P. (2018, September). A novel immense configurations of boost converter for renewable energy application. Presented at RPG 2018 - 7th International Conference on Renewable Power Generation

A three immense configurations of boost converter for renewable energy application is presented in the paper. The Voltage Lift Switched Inductor (VLSI) structure is pledge to extra high voltage conversion. The proposed work represent the modified hig... Read More about A novel immense configurations of boost converter for renewable energy application.

Vector control of a modular multilevel matrix converter operating over the full output-frequency range (2018)
Journal Article
Diaz, M., Cardenas, R., Espinoza, M., Hackl, C. M., Rojas, F., Clare, J. C., & Wheeler, P. (2019). Vector control of a modular multilevel matrix converter operating over the full output-frequency range. IEEE Transactions on Industrial Electronics, 66(7), 5102-5114. https://doi.org/10.1109/tie.2018.2870367

The Modular Multilevel Matrix Converter ( M 3 C ) is an ac-to-ac converter topology suitable for the control of high-power variable-speed drives. The control of this converter is complex, particularly when the two ac system frequencies are similar o... Read More about Vector control of a modular multilevel matrix converter operating over the full output-frequency range.

New inverting modified CUK converter configurations with switched inductor (MCCSI) for high-voltage/low-current renewable applications (2018)
Presentation / Conference Contribution
Maroti, P. K., Padmanaban, S., Bhaskar, M. S., Blaabjerg, F., & Wheeler, P. (2018, September). New inverting modified CUK converter configurations with switched inductor (MCCSI) for high-voltage/low-current renewable applications. Presented at EPE'18 ECCE Europe 20th European Conference on Power Electronics and Applications, Riga, Latvia

Inverting Modified CUK Converter with Switched Inductor (MCCSI) configurations are articulated in the paper for high-voltage and low-current renewable energy applications. Based on the Switched Inductor (SI) position in MCC converter, four new modifi... Read More about New inverting modified CUK converter configurations with switched inductor (MCCSI) for high-voltage/low-current renewable applications.

A comparison of modulation techniques for three-phase quasi Z-source modular multilevel converter able to provide DC-link fault blocking capability (2018)
Presentation / Conference Contribution
Khera, F. A., Klumpner, C., & Wheeler, P. W. (2018, September). A comparison of modulation techniques for three-phase quasi Z-source modular multilevel converter able to provide DC-link fault blocking capability. Paper presented at EPE'18 ECCE Europe - 20th European Conference on Power Electronics and Applications

Future transmission and distribution grids will use power converters to enable interface with HVDC systems and the Modular Multilevel Converter (MMC) is a topology that is already employed in commercial systems. The MMC converter inherent the benefit... Read More about A comparison of modulation techniques for three-phase quasi Z-source modular multilevel converter able to provide DC-link fault blocking capability.

Thermal analysis of fault-tolerant electrical machines for aerospace actuators (2018)
Journal Article
Madonna, V., Giangrande, P., Galea, M., & Gerada, C. (2019). Thermal analysis of fault-tolerant electrical machines for aerospace actuators. IET Electric Power Applications, 13(7), 843 – 852. https://doi.org/10.1049/iet-epa.2018.5153

For safety critical applications, electrical machines need to satisfy several constraints, in order to be considered fault-tolerant. In fact, if specific design choices and appropriate control strategies are embraced, fault-tolerant machines can oper... Read More about Thermal analysis of fault-tolerant electrical machines for aerospace actuators.

Improved thermal management and analysis for stator end-windings of electrical machines (2018)
Journal Article
Madonna, V., Walker, A., Giangrande, P., Serra, G., Gerada, C., & Galea, M. (2019). Improved thermal management and analysis for stator end-windings of electrical machines. IEEE Transactions on Industrial Electronics, 66(7), 5057-5069. https://doi.org/10.1109/tie.2018.2868288

In electrical machine design, thermal management plays a key role in improving performance and reducing size. End-windings are commonly identified as the machine hot-spot. Hence, lowering and predicting end-windings temperature are crucial tasks in t... Read More about Improved thermal management and analysis for stator end-windings of electrical machines.

An Improved Multistage Switched Inductor Boost Converter (Improved M-SIBC) for Renewable Energy Applications: A key to Enhance Conversion Ratio (2018)
Presentation / Conference Contribution
Bhaskar, M. S., Padmanaban, S., Blaabjerg, F., & Wheeler, P. W. (2018, June). An Improved Multistage Switched Inductor Boost Converter (Improved M-SIBC) for Renewable Energy Applications: A key to Enhance Conversion Ratio. Presented at 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018, Padua, Italy

In this article, an improved Multistage Switched Inductor (M-SI) based power converter or Improved Multistage Switched Inductor Boost Converter (Improved M-SIBC) is proposed for renewable applications which provides a key to enhancing the voltage con... Read More about An Improved Multistage Switched Inductor Boost Converter (Improved M-SIBC) for Renewable Energy Applications: A key to Enhance Conversion Ratio.

Design of a cooperative voltage harmonic compensation strategy for islanded microgrids combining virtual admittance and Repetitive Controller (2018)
Journal Article
Blanco, C., Tardelli, F., Diaz, D., Zanchetta, P., & Briz, F. (2018). Design of a cooperative voltage harmonic compensation strategy for islanded microgrids combining virtual admittance and Repetitive Controller. IEEE Transactions on Industry Applications, 55(1), 680-688. https://doi.org/10.1109/tia.2018.2868691

Non-linear loads (NLLs) in three-phase systems are
known to produce current harmonics at -5, 7, -11, 13… times the
fundamental frequency; harmonics of the same frequencies are
induced in microgrid voltage, reducing therefore the power
quality. De... Read More about Design of a cooperative voltage harmonic compensation strategy for islanded microgrids combining virtual admittance and Repetitive Controller.

Investigation of AC Copper and Iron Losses in High-Speed High-Power Density PMSM (2018)
Presentation / Conference Contribution
Al-Timimy, A., Giangrande, P., Degano, M., Galea, M., & Gerada, C. (2018, September). Investigation of AC Copper and Iron Losses in High-Speed High-Power Density PMSM. Presented at 23rd International Conference on Electrical Machines (ICEM 2018), Alexandroupoli, Greece

This paper presents a detailed investigation of AC copper losses in high-speed high-power density permanent magnet synchronous machine. For parallel strands winding, it is not easy to accurately estimate the AC copper losses using finite element mode... Read More about Investigation of AC Copper and Iron Losses in High-Speed High-Power Density PMSM.