All Outputs (247)

Three-phase rectifiers with current compensation schemes. Part I, Passive circuits (2018)
Conference Proceeding

—Three-phase rectifiers are widely used in several applications. The main feature desired in these power converters is a satisfying regulation of dc output voltage/current, but this ought to be achieved with high quality ac currents and unitary power... Read More about Three-phase rectifiers with current compensation schemes. Part I, Passive circuits.

Three-phase rectifiers with current compensation schemes. Part II, Active and hybrid configurations (2018)
Conference Proceeding

The current injection schemes for unidirectional three-phase diode bridge rectifiers are widely utilised in industrial and aerospace applications. The additional circuitry in combination with modern control strategies mitigate the effects of the conv... Read More about Three-phase rectifiers with current compensation schemes. Part II, Active and hybrid configurations.

Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part I (2018)
Conference Proceeding

© 2018 IEEE. AC-DC three-phase converters are very well known for having enhanced power quality with unity displacement power factor, low total harmonic pollution on the AC side, and controllable DC output with unidirectional or bidirectional power f... Read More about Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part I.

A New Voltage Doubler Based DC-DC 2LCm-Y Power Converter Topologies for High-Voltage/Low-Current Renewable Energy Applications (2018)
Conference Proceeding

In this treatise, a new voltage doubler based DCDC 2LCm-Y power converter topologies are uttered for the high voltage/low-current renewable energy applications. L-Y, 2L-Y, 2LC-Y and 2LCm-Y power converter categories are recently proposed in the exist... Read More about A New Voltage Doubler Based DC-DC 2LCm-Y Power Converter Topologies for High-Voltage/Low-Current Renewable Energy Applications.

Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part II (2018)
Conference Proceeding

© 2018 IEEE. AC-DC Three-phase converters are highly well known for having enhanced power quality with unity displacement power factor, low total harmonic pollution on the AC side, and controllable DC output with unidirectional or bidirectional power... Read More about Three-Phase AC-DC Converters with Passive, Active and Hybrid Current Injection Circuits - Part II.

A New Ground Power Unit (GPU) Supply for Aircraft Applications (2018)
Conference Proceeding

Nowadays, electrical energy is the alternative to supply aircraft systems. In this paper a new converter for ground power units supply in aircraft applications is proposed. The topology consists of a rectifier with an active current injection circuit... Read More about A New Ground Power Unit (GPU) Supply for Aircraft Applications.

Control of modular multilevel cascade converters for offshore wind energy generation and transmission (2018)
Conference Proceeding

The trend of multimegawatt (Multi-MW) wind turbines, especially for offshore installations, has positioned Modular Multilevel Cascade Converters (MMCCs) as a promising solution for Wind Energy Conversion Systems (WECSs). Additionally, High Voltage Di... Read More about Control of modular multilevel cascade converters for offshore wind energy generation and transmission.

Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter (2018)
Conference Proceeding

The Modular Multilevel Matrix Converter (M3C) is an ac-to-ac converter suitable for high-power applications. The control of this converter is complex, mainly when the frequencies of the ac systems connected to the ports of the converter are close or... Read More about Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter.

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.

Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application (2018)
Conference Proceeding

A design procedure for the Dual Active Bridge (DAB) converter is presented, which aims to optimized power density and computational effort. When designing a DAB, the selection of circuit design parameters such as switching frequency, leakage inductan... Read More about Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application.

An advanced modulation scheme emphasising neutral point ripple suppression using predictive control for three-level NPC converters in aircraft electric starter generator applications (2018)
Conference Proceeding

Electrical starter/generator (ESG) system is one of the key innovations of more-electric aircraft initiative. The ESG cranks the engine and accelerates it up to self-sustained speed using electric energy (starter mode) and then runs as a generator to... Read More about An advanced modulation scheme emphasising neutral point ripple suppression using predictive control for three-level NPC converters in aircraft electric starter generator applications.

Model predictive control for Active-Bridge-Active-Clamp (ABAC) converter (2018)
Conference Proceeding

The Dual-Active-Bridge is a well-established isolated, bidirectional DC/DC topology suitable for applications where high efficiency, galvanic isolation and large voltage conversion ratios are required. However, in low voltage high power cases, the ou... Read More about Model predictive control for Active-Bridge-Active-Clamp (ABAC) converter.

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 and testing of electromechanical actuator for aerospace applications (2018)
Conference Proceeding

Electromechanical actuators are gaining interest in the aerospace industry within the More Electrical Aircraft (MEA) architecture. The end-goal of fully electric aircraft includes Electromechanical actuation for flight control systems. The design and... Read More about Design and testing of electromechanical actuator for aerospace applications.

Bidirectional partial power converter interface for energy storage systems to provide peak shaving in grid-tied PV plants (2018)
Conference Proceeding

The ever growing participation of modern renewable resources in electric markets has shaken the paradigm of generation-demand constant match. Most modern renewables add intermittent behaviour and high variability to electric markets, forcing other re... Read More about Bidirectional partial power converter interface for energy storage systems to provide peak shaving in grid-tied PV plants.

Indirect model predictive control strategy with active damping implementation for a direct matrix converter operating at fixed switching frequency (2017)
Conference Proceeding

One of the main drawbacks of the implementation of predictive control in a direct matrix converter is the high com¬putational cost and the adequate selection of weighting factors in order to control both input and output sides. In this paper is propo... Read More about Indirect model predictive control strategy with active damping implementation for a direct matrix converter operating at fixed switching frequency.

Indirect predictive control strategy with fixed switching frequency for a direct matrix converter (2017)
Conference Proceeding

The direct matrix converter has a large number of available switching states which implies that the implementation of predictive control techniques in this converter requires high computational cost while an adequate selection of weighting factors in... Read More about Indirect predictive control strategy with fixed switching frequency for a direct matrix converter.

Electric superbike racing: the design and construction of a championship winning electric superbike (2017)
Conference Proceeding

The electric superbikes recently developed at The University of Nottingham have to be considered as a high performance vehicles, competing with its internal combustion engine driven counterparts. This paper presents the motivations for this work as w... Read More about Electric superbike racing: the design and construction of a championship winning electric superbike.

Indirect model predictive control strategies with input filter resonance mitigation for a matrix converter operating at fixed switching frequency (2017)
Conference Proceeding

The main issues of the implementation of model predictive control in a direct matrix converter are the high com¬putational cost, the adequate selection of weighting factors and the variable switching frequency which could produce resonances in the in... Read More about Indirect model predictive control strategies with input filter resonance mitigation for a matrix converter operating at fixed switching frequency.

A new AC/AC power converter (2017)
Conference Proceeding

The Future Electrical Network will be based on the integration of different renewable energy sources. In this regard, modular bidirectional power converter architectures will get special attention. Galvanic isolation in such power converter architect... Read More about A new AC/AC power converter.