All Outputs (20)

Sensorless Control of a Fault-tolerant Multi-level PMSM Drive (2018)
Journal Article

This paper presents a new technique to track the saliency position in a permanent magnet synchronous motor (PMSM) post a single phase open-circuit fault. The PMSM is driven by a fault-tolerant multi-level inverter that is utilized to implement a faul... Read More about Sensorless Control of a Fault-tolerant Multi-level PMSM Drive.

Influence of DGs on the Single-Ended Impedance Based Fault Location Technique (2018)
Conference Proceeding

The penetration of Distributed Generation (DG) into electricity distribution systems or the integrated power system such as ship or aircraft power systems present a challenge to fault location techniques. This paper investigates the influence of inve... Read More about Influence of DGs on the Single-Ended Impedance Based Fault Location Technique.

A Wideband Fault Location Scheme for Active Distribution Systems (2018)
Conference Proceeding

This paper proposes a fault location technique for future distribution systems with distributed generation. The technique considers the circuit analysis at the non-fundamental frequencies that are generated when a fault occurs. To consider both induc... Read More about A Wideband Fault Location Scheme for Active Distribution Systems.

Microgrid Energy Management Using a Two Stage Rolling Horizon Technique for Controlling an Energy Storage System (2018)
Conference Proceeding

In this paper, a new Energy Management (EM) strategy is proposed which uses a two-stage rolling horizon (RH) technique to control a battery energy storage system (BESS). The objectives of the control are to increase the self-consumption of the renewa... Read More about Microgrid Energy Management Using a Two Stage Rolling Horizon Technique for Controlling an Energy Storage System.

Utilizing Spare Inverter Capacity for Distribution Grid Voltage Support: An Adaptive Control Scheme (2018)
Conference Proceeding

Grid-tie inverters for connecting renewables to the grid are generally rated based on the peak power rating of the sources feeding them but, owing to the inherent variability and uncontrollability of most renewable energy sources, much of the inverte... Read More about Utilizing Spare Inverter Capacity for Distribution Grid Voltage Support: An Adaptive Control Scheme.

A Control Algorithm Based on the Conservative Power Theory for Cooperative Sharing of Imbalances in 4-Wire Systems (2018)
Journal Article

© 1986-2012 IEEE. A cooperative control scheme based on the conservative power theory (CPT) is proposed, which can share imbalances in three-phase four-wire droop-controlled systems. By utilizing the CPT, the balanced, unbalanced, and distorted compo... Read More about A Control Algorithm Based on the Conservative Power Theory for Cooperative Sharing of Imbalances in 4-Wire Systems.

A DC-DC boost converter with a wide input range and high voltage gain for fuel cell vehicles (2018)
Journal Article

In fuel cell vehicles, the output voltage of the fuel cell source is typically much lower than the voltage required by the DC bus and also this output voltage drops significantly as the output current increases. In order to match the output voltage o... Read More about A DC-DC boost converter with a wide input range and high voltage gain for fuel cell vehicles.

Influence of an inverter based DG on a double-ended fault location scheme (2018)
Journal Article

This paper describes the influence of Distributed Generation (DG) on a double ended fault location based on measuring the high frequency fault transients. The additional non-fundamental frequency current components from DG will influence the accuracy... Read More about Influence of an inverter based DG on a double-ended fault location scheme.

Zero and low-speed sensorless control of induction machines using only fundamental pulse width modulation waveform excitation (2018)
Book Chapter

This chapter presents a position sensorless method for induction machines that only relies on the fundamental pulse width modulation (PWM) waveforms to excite saliency. Position signals can be synthesized through the measurement of the derivatives of... Read More about Zero and low-speed sensorless control of induction machines using only fundamental pulse width modulation waveform excitation.

Sensorless Control of a Fault Tolerant Multi-level Inverter PMSM Drives in Case of an Open Circuit Fault (2018)
Conference Proceeding

© 2018 IEEE. This paper introduces a fault tolerant multi-level inverter PMSM Drive that is capable to work in case of a single phase open circuit fault without degrading the system performance. Moreover, it can work in sensorless mode in case of an... Read More about Sensorless Control of a Fault Tolerant Multi-level Inverter PMSM Drives in Case of an Open Circuit Fault.

Hybrid switched-capacitor/switched-quasi-Z-source bidirectional DC-DC converter with wide-voltage-gain range for hybrid energy sources EVs (2018)
Journal Article

In this paper, a hybrid switched-capacitor/ switched-quasi-Z-source bidirectional dc-dc converter is proposed for electric vehicles (EVs) with hybrid energy sources, which has a wide voltage gain range in the bidirectional energy flows. Compared with... Read More about Hybrid switched-capacitor/switched-quasi-Z-source bidirectional DC-DC converter with wide-voltage-gain range for hybrid energy sources EVs.

An independently controlled energy storage to support short term frequency fluctuations in weak electrical grids (2018)
Journal Article

This paper proposes the use of Energy Storage (ES) to support frequency fluctuations in weak grids powered by low-power synchronous generators (SGs). Traditionally, large synchronous generators rely on high inertia and governor control to guarantee t... Read More about An independently controlled energy storage to support short term frequency fluctuations in weak electrical grids.

Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions (2018)
Journal Article

This paper proposes a novel frequency-based predictive sequence estimator that allows for the isolation of voltages and currents harmonic components needed for the control of grid-tied converters. The proposed method relays on an enhanced Sliding Goe... Read More about Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions.

An enhanced hybrid switching-frequency modulation strategy for fuel cell vehicle three-level DC-DC converters with quasi-Z source (2018)
Journal Article

For fuel cell vehicles, the fuel cell stack has a soft output characteristic whereby the output voltage drops quickly with the increasing output current. In order to interface the dynamic low voltage of the fuel cell stack with the required constant... Read More about An enhanced hybrid switching-frequency modulation strategy for fuel cell vehicle three-level DC-DC converters with quasi-Z source.

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.

Wide frequency range active damping of LCL-filtered grid connected converters (2018)
Conference Proceeding

It can be challenging to guarantee the stability of grids with many converters with LCL filters connected due to the presence of multiple resonances within the system. This paper presents an active damping technique to mitigate multiple resonance eff... Read More about Wide frequency range active damping of LCL-filtered grid connected converters.

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.

Wide voltage-gain range asymmetric H-bridge bidirectional DC-DC converter with common ground for energy storage systems (2018)
Journal Article

A wide-voltage-conversion range bidirectional DC-DC converter is proposed in this paper. The topology is comprised of one typical LC energy storage component and the special common grounded asymmetric H-bridge with four active power switches/anti-par... Read More about Wide voltage-gain range asymmetric H-bridge bidirectional DC-DC converter with common ground for energy storage systems.

Observer-based pulsed signal injection for grid impedance estimation in three phase systems (2018)
Journal Article

This paper addresses the estimation of the grid impedance and the control of grid-tied converters by combining pulsed-signal injection and observer based techniques. A Luenberger based observer is used for controlling the grid-side current of an LCL... Read More about Observer-based pulsed signal injection for grid impedance estimation in three phase systems.

A switched-capacitor bidirectional DC-DC converter with wide voltage gain range for electric vehicles with hybrid energy sources (2018)
Journal Article

A switched-capacitor bidirectional DC-DC converter with a high step-up/step-down voltage gain is proposed for electric vehicles (EVs) with a hybrid energy source system (HESS). The converter presented has the advantages of being a simple circuit, a r... Read More about A switched-capacitor bidirectional DC-DC converter with wide voltage gain range for electric vehicles with hybrid energy sources.