All Outputs (59)

Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting (2019)
Conference Proceeding
Khera, F. A., Wheeler, P. W., & Klumpner, C. (2019). Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting

This paper proposes the integration of a Z-source network with the modular multilevel converter (MMC) to add voltage boosting capability to a voltage step down converter. To limit the increase in complexity, the proposed Z-source modular multilevel c... Read More about Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting.

A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems (2019)
Journal Article
Fares, A. M., Klumpner, C., & Sumner, M. (2019). A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems. Applied Sciences, 9(19), https://doi.org/10.3390/app9193948

This paper introduces a novel multiport power converter with modular architecture for photovoltaic (PV)-battery based power systems. Compared to conventional centralized multiport converters, the proposed converter significantly improves the utilizat... Read More about A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems.

Design Considerations to Optimise Supercapacitor-based Energy Storage Systems for Aerospace Applications (2018)
Conference Proceeding
Fares, A., Klumpner, C., & Rashed, M. (2018). Design Considerations to Optimise Supercapacitor-based Energy Storage Systems for Aerospace Applications. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-8). https://doi.org/10.1109/ESARS-ITEC.2018.8607796

© 2018 IEEE. This paper investigates the design optimization of a supercapacitor-based energy storage system for aerospace applications which may be needed to complement the operation of a high power pulsed load such as electromechanical actuators ha... Read More about Design Considerations to Optimise Supercapacitor-based Energy Storage Systems for Aerospace Applications.

Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage (2018)
Conference Proceeding
Fritz, N., Rashed, M., & Klumpner, C. (2018). Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-9). https://doi.org/10.1109/ESARS-ITEC.2018.8607774

This paper presents a computationally efficient design algorithm for a DC/DC converter, optimized for power density. Interleaving and series-connecting of several converter cells is included in the analysis. The choice of the converter design paramet... Read More about Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage.

State of the Art of Electric Taxiing Systems (2018)
Conference Proceeding
Lukic, M., Hebala, A., Giangrande, P., Klumpner, C., Nuzzo, S., Chen, G., …Galea, M. (2018). State of the Art of Electric Taxiing Systems. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-6). https://doi.org/10.1109/ESARS-ITEC.2018.8607786

The aviation industry represents an ever-expanding economy and the aircraft market forecast reveals an optimistic growth for the coming decades. New requirements and guidelines call for a more efficient, reliable, and environment friendly aircraft op... Read More about State of the Art of Electric Taxiing Systems.

Design and Evaluation of a Power Converter for an Energy Storage System for Aircrafts (2018)
Conference Proceeding
Klumpner, C., & Rashed, M. (2018). Design and Evaluation of a Power Converter for an Energy Storage System for Aircrafts. In Proceedings - 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-8). https://doi.org/10.1109/ESARS-ITEC.2018.8607274

This paper presents the design and evaluation of a power converter to be used in an energy storage system for aircrafts that is be able to control the 270V dc bus voltage during large load disturbances and regeneration. A study is conducted in order... Read More about Design and Evaluation of a Power Converter for an Energy Storage System for Aircrafts.

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.

Energy harvesting utilizing reciprocating flow-induced torsional vibration on a T-shaped cantilever beam (2018)
Journal Article
Zhang, G., Klumpner, C., & Lin, Y. (2018). Energy harvesting utilizing reciprocating flow-induced torsional vibration on a T-shaped cantilever beam. Smart Materials and Structures, https://doi.org/10.1088/1361-665x/aadb6d

This paper proposes a T-shaped cantilever energy harvester powered by flow-induced torsional vibration. To collect and convert the mechanical (kinetic) energy into electric power, a pair of symmetrical acrylic cylindrical bluff bodies were installed... Read More about Energy harvesting utilizing reciprocating flow-induced torsional vibration on a T-shaped cantilever beam.

New modulation scheme for bidirectional quasi z-source modular multilevel converters (2018)
Conference Proceeding
Khera, F., Klumpner, C., & Wheeler, P. (2018). New modulation scheme for bidirectional quasi z-source modular multilevel converters.

This paper proposes a dedicated modulation scheme for a bidirectional quasi Z-source modular multilevel converter (BqZS-MMC). The operation principle and a suitable PWM method are proposed. The relation between the modulation index and shoot-through... Read More about New modulation scheme for bidirectional quasi z-source modular multilevel converters.

Sizing guidelines for grid-connected decentralised energy storage systems: single house application (2018)
Conference Proceeding
Panagiotou, K., Klumpner, C., & Sumner, M. (2018). Sizing guidelines for grid-connected decentralised energy storage systems: single house application.

Nowadays, the existing hierarchical, centrally controlled power grid faces new challenges due to the increase penetration of renewable sources, the need of implementing demand side management and the 2020 and 2050 environmental targets. A promising c... Read More about Sizing guidelines for grid-connected decentralised energy storage systems: single house application.

Design and evaluation of an energy storage system for helicopters (2018)
Conference Proceeding
Klumpner, C., & Rashed, M. (2018). Design and evaluation of an energy storage system for helicopters.

This paper presents the design and evaluation of an energy storage system (ESS) for helicopters with the aim to recover the kinetic energy in the rotor available after landing and to be able to control the 270V dc bus voltage during load disturbances... Read More about Design and evaluation of an energy storage system for helicopters.

Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs (2018)
Conference Proceeding
Fares, A., Klumpner, C., & Sumner, M. (2018). Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs.

The overall performance of battery packs may be affected by imbalances between the series connected cells which is more likely in packs with high number of cells needed to provide a high voltage as needed for example in electric vehicles. In this cas... Read More about Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs.

Operation principles of quasi Z-source modular multilevel converters (2018)
Conference Proceeding
Khera, F. A., Klumpner, C., & Wheeler, P. W. (2018). Operation principles of quasi Z-source modular multilevel converters. In Proceedings 2017 IEEE Southern Power Electronics Conference (SPEC) (1-6). https://doi.org/10.1109/SPEC.2017.8333617

This paper proposes the integration of a quasi Z-source network with a modular multilevel converter (MMC) to provide voltage boost capability. The proposed quasi-Z-source MMC uses two symmetrical networks of inductors and capacitors connected between... Read More about Operation principles of quasi Z-source modular multilevel converters.

Design recommendations for energy systems: a UK energy community study (2017)
Conference Proceeding
Panagiotou, K., Klumpner, C., Sumner, M., & Wheeler, P. (in press). Design recommendations for energy systems: a UK energy community study.

One of the key elements towards a decentralised energy sector is the consumers’ choice and participation, as the concept of energy prosumer is gaining more and more ground and energy community projects are spouting across UK. In order for the upcomin... Read More about Design recommendations for energy systems: a UK energy community study.

Being a member of an energy community: Assessing the financial benefits for end-users and management authority (2017)
Conference Proceeding
Panagiotou, K., Klumpner, C., & Sumner, M. (2017). Being a member of an energy community: Assessing the financial benefits for end-users and management authority. In 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE) (957-963). https://doi.org/10.1109/ISIE.2017.8001375

Since 2011, in the context of sustainable development, UK government has been encouraging individuals to work as groups, and now, more than 5,000 community led projects are sprouted across the country, since more than 50% of the UK citizens had expre... Read More about Being a member of an energy community: Assessing the financial benefits for end-users and management authority.

Investigating the benefits and limitations of cascaded converter topologies used in modular battery systems (2017)
Conference Proceeding
Fares, A., Klumpner, C., & Sumner, M. (2017). Investigating the benefits and limitations of cascaded converter topologies used in modular battery systems. In 2017 IEEE International Symposium on Industrial Electronics (ISIE) (2123-2130). https://doi.org/10.1109/ISIE.2017.8001586

The Performance of battery packs is highly affected by imbalances between the series connected cells that provide the required string voltage. A modular battery implementation based on cascaded converters can have advantages over traditional centrali... Read More about Investigating the benefits and limitations of cascaded converter topologies used in modular battery systems.

A flow-induced structure-based kinetic energy harvester (2017)
Conference Proceeding
Zhang, G., Lin, Y., & Klumpner, C. (2017). A flow-induced structure-based kinetic energy harvester.

In this paper, a strategy utilizing a pair of cylinders which are put on the both sides of the cantilever beam and perpendicular to the water flow direction to harvest the energy is demonstrated. The novel flow induced structure based energy harveste... Read More about A flow-induced structure-based kinetic energy harvester.

Mitigating the effect of series capacitance unbalance on the voltage reduction capability of an auxiliary CSI used as switching ripple active filter (2017)
Conference Proceeding
Papadopoulos, S., Klumpner, C., Rashed, M., & Wheeler, P. (2017). Mitigating the effect of series capacitance unbalance on the voltage reduction capability of an auxiliary CSI used as switching ripple active filter. . https://doi.org/10.1109/ECCE.2016.7855244

The use of series connected capacitors for high voltage applications has been proven to be beneficial for voltage stress reduction across power semiconductors. In a 3-phase grid any asymmetry in the value of the series capacitance may lead to signifi... Read More about Mitigating the effect of series capacitance unbalance on the voltage reduction capability of an auxiliary CSI used as switching ripple active filter.

Experimental validation of the solid state substation with embedded energy storage concept (2016)
Conference Proceeding
Klumpner, C., Rashed, M., De, D., Patel, C., Kulsangcharoen, P., & Asher, G. (2016). Experimental validation of the solid state substation with embedded energy storage concept. In 2016 IEEE Energy Conversion Congress and Exposition (ECCE) - Proceedings (1-8). https://doi.org/10.1109/ECCE.2016.7855100

This paper proposes the concept of integrating the energy storage within a Medium Voltage to Low Voltage solid state substation in order to provide new features compatible with the requirements from future more intelligent grids. The principles for t... Read More about Experimental validation of the solid state substation with embedded energy storage concept.

Performance benchmark of Si IGBTs vs. SiC MOSFETs in small-scale wind energy conversion systems (2016)
Conference Proceeding
Hussein, A., Castellazzi, A., Wheeler, P., & Klumpner, C. (in press). Performance benchmark of Si IGBTs vs. SiC MOSFETs in small-scale wind energy conversion systems.

Modern power electronics devices based on SiC power MOSFETs technology become more demanding in the last few years. They show better performance over Si-IGBTs on renewable energy power conversion systems due to their higher switching frequency, highe... Read More about Performance benchmark of Si IGBTs vs. SiC MOSFETs in small-scale wind energy conversion systems.