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Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications (2020)
Presentation / Conference
Khera, F., Klumpner, C., & Wheeler, P. (2020, December). Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications. Paper presented at 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), Online

This paper presents a novel quasi Z-source Hybrid modular multilevel converter (qZS-HMMC) for medium voltage applications where the “hybrid” concept refers to the implementation of the MMC strings that consist of a mixture of half bridge sub-modules... Read More about Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications.

Model Predictive Control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids (2019)
Presentation / Conference
Chen, L., Zanchetta, P., Tarisciotti, L., Wheeler, P., Costabebber, A., & Dragi?evi?, T. (2019, May). Model Predictive Control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids. Paper presented at 3rd IEEEE ICDCM (International Conference on DC Microgrids)

The proposed control for DC/DC converters with high frequency isolation, on one hand, provides fast stabilization to the DC microgrids without introducing additional passive components. On the other hand, it can improve load transition performance. A... Read More about Model Predictive Control for isolated DC/DC converters with fast dynamic stabilization in DC microgrids.

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
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.

Unipolar single reference multicarrier sinusoidal pulse width modulation based 7-level inverter with reduced number of semiconductor switches for renewable energy applications (2018)
Presentation / Conference
Raj, K., Mahajan, S. B., Sanjeevikumar, P., Frede, B., Pat, W., & Muhammad H., R. (2018, August). Unipolar single reference multicarrier sinusoidal pulse width modulation based 7-level inverter with reduced number of semiconductor switches for renewable energy applications. Paper presented at IEEE-PEMC 2018 - 18th International Conference on Power Electronics and Motion Control

In the present scenario of increasing power demand and depletion of fossil fuel results in the research advancements in the field of renewable energy sources. Among various types of renewable energy sources, photovoltaic related applications are... Read More about Unipolar single reference multicarrier sinusoidal pulse width modulation based 7-level inverter with reduced number of semiconductor switches for renewable energy applications.

Flux control modulation for the dual active bridge DC/DC converter (2018)
Presentation / Conference
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2018, April). Flux control modulation for the dual active bridge DC/DC converter. Paper presented at 9th International Conference on Power Electronics, Machines and Drives (PEMD 2018)

This paper introduces a novel modulation technique for the single phase Dual Active Bridge (DAB) in which the switching frequency and transformer flux are modulated to achieve improved power transfer characteristics and reduced converter losses. By a... Read More about Flux control modulation for the dual active bridge DC/DC converter.