All Outputs (198)

An islanding detection method for multi-DG systems based on high-frequency impedance estimation (2016)
Journal Article

Active islanding detection methods are generally employed for grid-connected inverter-based Distributed Generation (DG). However, there might be mutual influences and power quality issues caused by the disturbance signal when multiple inverters are i... Read More about An islanding detection method for multi-DG systems based on high-frequency impedance estimation.

Advanced computational electromagnetics at BAE systems (2016)
Conference Proceeding

Modulation strategies for an open-end winding induction machine fed by a two-output indirect matrix converter (2016)
Journal Article

This paper presents a two-output indirect matrix converter feeding an open-ended winding induction machine. The modulation strategy for the converter input stage, which provides the DC voltage for the output stages, exploits the capability of the inp... Read More about Modulation strategies for an open-end winding induction machine fed by a two-output indirect matrix converter.

A modeling methodology for robust stability analysis of nonlinear electrical power systems under parameter uncertainties (2016)
Journal Article

This paper develops a modelling method for robust stability analysis of non-linear electrical power systems over a range of operating points and under parameter uncertainties. Standard methods can guarantee stability under nominal condi¬tions but do... Read More about A modeling methodology for robust stability analysis of nonlinear electrical power systems under parameter uncertainties.

Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter (2016)
Conference Proceeding

This article presents the developments of a novel isolated/non-isolated quad inverter configuration for multilevel dual six-phase (twelve-phase) star-winding converter. The modular circuit consists of four standard voltage source inverters (VSIs). Ea... Read More about Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter.

Sensorless finite-control set model predictive control for IPMSM drives (2016)
Journal Article

This paper investigates the feasibility of a sensorless field oriented control (FOC) combined with a finite control set model predictive current control (FCS-MPC) for an interior permanent magnet synchronous motor (IPMSM). The use of a FCS-MPC makes... Read More about Sensorless finite-control set model predictive control for IPMSM drives.

Dynamic output feedback linearizing control of saturated induction motors with torque per ampere ratio maximization (2016)
Conference Proceeding

The paper presents a novel maximum torque per Ampere (MTA) controller for induction motor (IM) drives. The proposed controller exploits the concept of direct (observer based) field orientation and guarantees asymptotic torque tracking of smooth refer... Read More about Dynamic output feedback linearizing control of saturated induction motors with torque per ampere ratio maximization.

The importance of considering pushback time and arrivals when routing departures on the ground at airports (2016)
Conference Proceeding

With the constant increase in air traffic, airports are facing capacity problems. Many airports are increasingly interested in utilising optimisation methods for specific airport processes. However, many such processes do happen in parallel, and maxi... Read More about The importance of considering pushback time and arrivals when routing departures on the ground at airports.

Simultaneous temperature and humidity measurements in a mechanical ventilator using an optical fibre sensor (2016)
Journal Article

An optical fibre sensor for simultaneous temperature and humidity measurements consisting of one fibre Bragg grating (FBG) to measure temperature and a mesoporous film of bilayers of Poly(allylamine hydrochloride)(PAH) and silica (SiO2) nanoparticles... Read More about Simultaneous temperature and humidity measurements in a mechanical ventilator using an optical fibre sensor.

Experimental efficiency comparison between a direct matrix converter and an indirect matrix converter using both Si IGBTs and SiC MOSFETs (2016)
Journal Article

This paper presents an experimental efficiency comparison study between two different direct AC-AC converter topologies: a direct matrix converter (DMC) and an indirect matrix converter (IMC). The evaluation is performed under variable load condition... Read More about Experimental efficiency comparison between a direct matrix converter and an indirect matrix converter using both Si IGBTs and SiC MOSFETs.

Conducted emission evaluation for direct matrix converters (2016)
Conference Proceeding

Matrix converters have been recently proposed as an alternative solution to the standard back-to-back converter in aerospace applications. However, Electromagnetic Interference (EMI), in particular, conducted emissions represent a critical aspect for... Read More about Conducted emission evaluation for direct matrix converters.

Open source cable models for EMI simulations (2016)
Conference Proceeding

This paper describes the progress of work towards an Open Source software toolset suitable for developing Spice based multi-conductor cable models. The issues related to creating a transmission line model for implementation in Spice which include the... Read More about Open source cable models for EMI simulations.

Resonant control system for low-voltage ride-through in wind energy conversion systems (2016)
Journal Article

Owing to the high penetration of electrical energy from wind energy conversion systems (WECSs), some countries are enforcing stringent grid codes to regulate low-voltage-ride-through (LVRT) operation of WECSs. This study presents a self-tuning resona... Read More about Resonant control system for low-voltage ride-through in wind energy conversion systems.

Assessment of power quality in a microgrid with power electronic converters (2016)
Conference Proceeding

This paper highlights the importance of assessing Power Quality (PQ) of microgrids using the recommended indices as stated in IEEE 519 and IEEE 1547 standards. It assesses the microgrid PQ by verifying if converter harmonics at the Point of Common Co... Read More about Assessment of power quality in a microgrid with power electronic converters.

Comparative stability analysis of droop control approaches in voltage-source-converter-based DC microgrids (2016)
Journal Article

Droop control has been widely applied in DC microgrids (MGs) due to its inherent modularity and ease of implementation. Among the different droop control methods that can be adopted in DC MGs, two options have been considered in this paper; I-V and V... Read More about Comparative stability analysis of droop control approaches in voltage-source-converter-based DC microgrids.

High frequency impedance based fault location in distribution system with DGs (2016)
Journal Article

Distributed Generations (DGs) with power electronic devices and their control loops will cause distortion to the fault currents and result in errors for power frequency measurement based fault locations. This might jeopardize the distribution system... Read More about High frequency impedance based fault location in distribution system with DGs.

Reliability-driven assessment of GaN HEMTs and Si IGBTs in 3L-ANPC PV inverters (2016)
Journal Article

In this paper, thermal loading of the state-of-the-art GaN HEMTs and traditional Si IGBTs in 3L-ANPC PV inverters is presented considering real-field long-term mission profiles (i.e., ambient temperature and solar irradiance). A comparison of Si IGBT... Read More about Reliability-driven assessment of GaN HEMTs and Si IGBTs in 3L-ANPC PV inverters.

Model predictive control for a dual active bridge inverter with a floating bridge (2016)
Journal Article

This paper presents a Model Predictive Control technique applied to a dual active bridge inverter where one of the bridges is floating. The proposed floating bridge topology eliminates the need for isolation transformer in a dual inverter system and... Read More about Model predictive control for a dual active bridge inverter with a floating bridge.

A comprehensive study of the short-circuit ruggedness of silicon carbide power MOSFETs (2016)
Journal Article

The behavior of Silicon Carbide Power MOSFETs under stressful short circuit conditions is investigated in this paper. Illustration of two different short-circuit failure phenomena for Silicon Carbide Power MOSFETs are thoroughly reported. Experimenta... Read More about A comprehensive study of the short-circuit ruggedness of silicon carbide power MOSFETs.

A multi-level converter with a floating bridge for open-ended winding motor drive applications (2016)
Journal Article

This paper presents a dual three phase open end winding induction motor drive. The drive consists of a three phase induction machine with open stator phase windings and dual bridge inverter supplied from a single DC voltage source. To achieve multi-l... Read More about A multi-level converter with a floating bridge for open-ended winding motor drive applications.