All Outputs (17)

Active DC-link capacitor harmonic current reduction in two-level back-to-back converter (2015)
Journal Article

The paper proposes a method of active switching harmonics current reduction in the DC-link capacitor of a two-level, three-phase, back-to-back converter. Based on the derived analytical solution for switching harmonic currents in the DC-link, it is s... Read More about Active DC-link capacitor harmonic current reduction in two-level back-to-back converter.

An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft (2015)
Journal Article

This paper proposes an improved voltage regulation method in multi-source based DC electrical power system in the more electric aircraft. The proposed approach, which can be used in terrestrial DC microgrids as well, effectively improves the load sha... Read More about An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft.

Modular integration of a matrix converter (2015)
Journal Article

The future development of high-performance power electronics will rely increasingly on system-level integration, where semiconductor devices are co-packaged with other active and passive components (e.g., gate drivers, filter capacitors, and inductor... Read More about Modular integration of a matrix converter.

Electromagnetic launch systems for civil aircraft assisted take-off (2015)
Journal Article

This paper considers the feasibility of different technologies for an electromagnetic launcher to assist civil aircraft take-off. This method is investigated to reduce the power required from the engines during initial acceleration. Assisted launch h... Read More about Electromagnetic launch systems for civil aircraft assisted take-off.

Wavelet-fuzzy speed indirect field oriented controller for three-phase AC motor drive – Investigation and implementation (2015)
Journal Article

Three-phase voltage source inverter driven induction motor is used in many medium- and high-power applications. Precision in speed of the motor play vital role, i.e. popular methods of direct/indirect field-oriented control (FOC) are applied. FOC is... Read More about Wavelet-fuzzy speed indirect field oriented controller for three-phase AC motor drive – Investigation and implementation.

Electrical braking in matrix converter for more electric aircraft: bi-directional switch and input power clamp methods (2015)
Journal Article

Current aircraft power quality specifications do not allow regeneration onto the power bus. Therefore, the inherent regeneration available from Matrix Converter (MC) is not desirable in More Electric Aircraft (MEA) aerospace applications. In this pap... Read More about Electrical braking in matrix converter for more electric aircraft: bi-directional switch and input power clamp methods.

A hybrid control method to suppress the three time fundamental frequency neutral-point voltage fluctuation in a VIENNA rectifier (2015)
Journal Article

This paper presents a solution to the control of the three times fundamental frequency fluctuation of the neutral-point in a VIENNA rectifier. A hybrid method combining a dynamic adjustment factor with a voltage deviation control of the split DC-link... Read More about A hybrid control method to suppress the three time fundamental frequency neutral-point voltage fluctuation in a VIENNA rectifier.

Investigations in the Modeling and Control of a Medium-Voltage Hybrid Inverter System That Uses a Low-Voltage/Low-Power Rated Auxiliary Current Source Inverter (2015)
Journal Article

Hybrid converters consist of a main inverter processing the bulk of the power with poor waveform performance and a fast and versatile auxiliary inverter to correct the distortion. In this paper, the main converter is a medium voltage NPC inverter and... Read More about Investigations in the Modeling and Control of a Medium-Voltage Hybrid Inverter System That Uses a Low-Voltage/Low-Power Rated Auxiliary Current Source Inverter.

Short-circuit fault analysis and isolation strategy for matrix converters (2015)
Journal Article

The behavior of matrix converter (MC) drive systems under the condition of MC short-circuit faults is comprehensively investigated. Two isolation strategies using semiconductors and high speed fuses (HSFs) for MC short-circuit faults are examined and... Read More about Short-circuit fault analysis and isolation strategy for matrix converters.

Analysis and implementation of power management and control strategy for six-phase multilevel ac drive system in fault condition (2015)
Journal Article

This research article exploits the power management algorithm in post-fault conditions for a six-phase (quad) multilevel inverter. The drive circuit consists of four 2-level, three-phase voltage source inverter (VSI) supplying a six-phase open-end wi... Read More about Analysis and implementation of power management and control strategy for six-phase multilevel ac drive system in fault condition.

Robustness analysis and experimental validation of a fault detection and isolation method for the modular multilevel converter (2015)
Journal Article

This paper presents a fault detection and isolation (FDI) method for open-circuit faults of power semiconductor devices in a modular multilevel converter (MMC). The proposed FDI method is simple with only one sliding mode observer (SMO) equation and... Read More about Robustness analysis and experimental validation of a fault detection and isolation method for the modular multilevel converter.

Speed Finite Control Set Model Predictive Control of a PMSM fed by Matrix Converter (2015)
Journal Article

This paper presents a new speed Finite Control Set Model Predictive Control (FCS-MPC) algorithm which has been applied to a Permanent Magnet Synchronous Motor (PMSM) driven by a Matrix Converter (MC). This method replaces the classical cascaded contr... Read More about Speed Finite Control Set Model Predictive Control of a PMSM fed by Matrix Converter.

Implementation of wavelet-based robust differential control for electric vehicle application (2015)
Journal Article

This research letter presents the modeling and simulation of electronic differential, employing a novel wavelet controller for two brushless dc motors. The proposed controller uses discrete wavelet transform to decompose the error between actual and... Read More about Implementation of wavelet-based robust differential control for electric vehicle application.

Self-tuning resonant control of a 7-leg back-to-back converter for interfacing variable speed generators to 4-wire loads (2015)
Journal Article

This paper considers the control of a 7-leg back-to-back Voltage Source Inverter (VSI) arrangement feeding a 4-wire load from a 3-phase Permanent Magnet Synchronous Generator (PMSG) operating at variable speed. The PMSG is controlled using a sensorle... Read More about Self-tuning resonant control of a 7-leg back-to-back converter for interfacing variable speed generators to 4-wire loads.

Experimental comparison of a matrix converter using Si IGBT and SiC MOSFETs (2015)
Journal Article

This paper presents an analytical and experimental comparison between comparable Silicon (Si) IGBTs and Silicon Carbide (SiC) MOSFETS when used in a direct AC/AC matrix converter circuit. The switching performance of the two devices is analysed and t... Read More about Experimental comparison of a matrix converter using Si IGBT and SiC MOSFETs.

Multi-objective modulated Model Predictive Control for a multilevel solid state transformer (2015)
Journal Article

Finite Control Set Model Predictive Control (FCS-MPC) offers many advantages over more traditional control techniques, such as the ability to avoid cascaded control loops, easy inclusion of constraint and fast transient response of the control system... Read More about Multi-objective modulated Model Predictive Control for a multilevel solid state transformer.

Control of a hybrid modular multilevel converter during grid voltage unbalance (2015)
Conference Proceeding

The recently proposed parallel hybrid modular multilevel converter is considered to be a low loss, low component count converter with soft switching capability of the ‘main’ bridge. The converter has similar advantages to other emerging modular multi... Read More about Control of a hybrid modular multilevel converter during grid voltage unbalance.