All Outputs (60)

An Optimisation Tool for Hybrid-Electric Aircraft Propulsion Systems (2023)
Conference Proceeding

The requirement for reductions in CO 2 , NO X and noise emissions from aviation have come under great assiduity. The use of electric and hybrid-electric propulsion systems within aircraft offer potential performance and efficiency improvements, throu... Read More about An Optimisation Tool for Hybrid-Electric Aircraft Propulsion Systems.

Minimizing the Energy Storage Size in a Full Solar EV Charging Station by Optimising the Size and Orientation of PV Panel Group Sets (2022)
Conference Proceeding

Analysis of Using a Thermoelectric Module for Power Electronics Cooling (2022)
Conference Proceeding

This paper aims to develop a PLECS equivalent circuit of a thermoelectric module to be used in power electronics cooling applications. The proposed model is built using elements from the PLECS thermal model block-set. To test this, a resistive c dev... Read More about Analysis of Using a Thermoelectric Module for Power Electronics Cooling.

Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor (2021)
Conference Proceeding

Electrolytic capacitors continue to be used for the DC-link in motor drive systems due to their high specific capacitance. The degradation of electrolytic capacitors can lead to increased equivalent series resistances (ESR) and reduction in capacitan... Read More about Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor.

Trade-off Analysis of Energy Storage Systems for Helicopter Landing Gear Electromechanical Actuator (2021)
Conference Proceeding

The aerospace industry is rapidly changing towards more electric aircraft initiative, trying to alleviate pollution problems and obey the authority bodies' strict rules. Not only should aircraft comply with this initiative but also helicopters (i.e.,... Read More about Trade-off Analysis of Energy Storage Systems for Helicopter Landing Gear Electromechanical Actuator.

Novel Parameter Identification Method for Lithium-Ion Batteries Based on Curve Fitting (2020)
Conference Proceeding

This paper describes a new curve-fitting lithium-ion battery parameter identification method for equivalent circuit models. The current pulse/relaxation test is carried out and the corresponding terminal voltage is used for extracting the battery mod... Read More about Novel Parameter Identification Method for Lithium-Ion Batteries Based on Curve Fitting.

Integrating a Single Z-Source Network with a Modular Multilevel Converter for Voltage Boosting (2019)
Conference Proceeding

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.

Analysis of Energy Storage System Requirements for Aircraft Electric Taxiing Operations (2019)
Conference Proceeding

This paper focuses on evaluating the energy and power requirements of a specific aircraft on-board electric taxiing (ET) system. The developed model of the investigated system is used to determine the requisites for a typical taxiing profile mission... Read More about Analysis of Energy Storage System Requirements for Aircraft Electric Taxiing Operations.

An Exploration of Design Options for Integrated Residential PV-ESS (2019)
Conference Proceeding

The behind-the-meter integration of the distributed energy sources and the energy storage systems (ESSs) presents one of the key solutions for the 21st century energy and power challenges. A comprehensive design and development procedure, which integ... Read More about An Exploration of Design Options for Integrated Residential PV-ESS.

Modelling and Analysis of an Aircraft On-board Electric Taxiing System (2019)
Conference Proceeding

This paper presents a model that enables analysis and design validation of an aircraft on-board electric taxiing system. A detailed model, which includes power electronics, electrical machine and mechanical drivetrain, is first developed and discusse... Read More about Modelling and Analysis of an Aircraft On-board Electric Taxiing System.

Design and Evaluation of a Power Converter for an Energy Storage System for Aircrafts (2018)
Conference Proceeding

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.

Power Density Optimization of a DC/DC Converter for an Aircraft Supercapacitors Energy Storage (2018)
Conference Proceeding

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

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.

New modulation scheme for bidirectional quasi z-source modular multilevel converters (2018)
Conference Proceeding

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

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

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

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

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

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

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.