All Outputs (69)

Sensorless Control of a Fault Tolerant Multi-level Inverter PMSM Drives in Case of an Open Circuit Fault (2018)
Presentation / Conference Contribution
Saleh, K., & Sumner, M. (2018). Sensorless Control of a Fault Tolerant Multi-level Inverter PMSM Drives in Case of an Open Circuit Fault. In 2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM) (883-888). https://doi.org/10.1109/SPEEDAM.2018.8445360

© 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.

Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions (2018)
Journal Article
Blanco, C., Garcia, P., Navarro-Rodríguez, Á., & Sumner, M. (2018). Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions. IEEE Transactions on Industry Applications, 54(5), 5306-5317. https://doi.org/10.1109/TIA.2018.2846552

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
Zhang, Y., Shi, J., Fu, C., Zhang, W., Wang, P., Li, J., & Sumner, M. (2018). An enhanced hybrid switching-frequency modulation strategy for fuel cell vehicle three-level DC-DC converters with quasi-Z source. Energies, 11(5), 1-16. https://doi.org/10.3390/en11051026

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)
Presentation / Conference Contribution
Panagiotou, K., Klumpner, C., & Sumner, M. (2018). Sizing guidelines for grid-connected decentralised energy storage systems: single house application.

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.

Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs (2018)
Presentation / Conference Contribution
Fares, A., Klumpner, C., & Sumner, M. (2018). Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs.

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.

Observer-based pulsed signal injection for grid impedance estimation in three phase systems (2018)
Journal Article
Garcia, P., Sumner, M., Navarro-Rodríguez, Á., Guerrero, J. M., & Garcia, J. (in press). Observer-based pulsed signal injection for grid impedance estimation in three phase systems. IEEE Transactions on Industrial Electronics, https://doi.org/10.1109/TIE.2018.2801784

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
Zhang, Y., Gao, Y., Zhou, L., & Sumner, M. (in press). A switched-capacitor bidirectional DC-DC converter with wide voltage gain range for electric vehicles with hybrid energy sources. IEEE Transactions on Power Electronics, PP(99), https://doi.org/10.1109/TPEL.2017.2788436

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.

Single-Switch, Wide Voltage-Gain Range, Boost DC–DC Converter for Fuel Cell Vehicles (2017)
Journal Article
Zhang, Y., Zhou, L., Sumner, M., & Wang, P. (2018). Single-Switch, Wide Voltage-Gain Range, Boost DC–DC Converter for Fuel Cell Vehicles. IEEE Transactions on Vehicular Technology, 67(1), 134-145. https://doi.org/10.1109/TVT.2017.2772087

In order to match voltages between the fuel cell stacks and the DC link bus of fuel cell vehicles, a single-switch Boost DC-DC converter with diode-capacitor modules is proposed in this paper. The capacitors are charged in parallel and discharged in... Read More about Single-Switch, Wide Voltage-Gain Range, Boost DC–DC Converter for Fuel Cell Vehicles.

Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions (2017)
Presentation / Conference Contribution
Garcia, P., Blanco, C., Navarro-Rodríguez, Á., & Sumner, M. (2017). Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE) (2940-2947). https://doi.org/10.1109/ECCE.2017.8096542

This paper proposes a novel frequency-based predictive sequence extractor that allows to isolate the harmonic components of both voltages and currents needed for the control of grid-tied converters. The proposed method is based on a modification of t... Read More about Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions.

Design recommendations for energy systems: a UK energy community study (2017)
Presentation / Conference Contribution
Panagiotou, K., Klumpner, C., Sumner, M., & Wheeler, P. (in press). Design recommendations for energy systems: a UK energy community study.

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.

Combining fault location estimates for a multi-tapped distribution line (2017)
Presentation / Conference Contribution
Jahanger, H., Sumner, M., & Thomas, D. W. (2017). Combining fault location estimates for a multi-tapped distribution line.

Multi-tapped lines are common in integrated power systems and microgrids which supply variable loads between the main source and the main load. Adopting a cost effective and efficient method for fault location is important for fast power recovery and... Read More about Combining fault location estimates for a multi-tapped distribution line.

Limits, stability and disturbance rejection analysis of voltage control loop strategies for grid forming converters in DC and AC microgrids with high penetration of constant power loads (2017)
Presentation / Conference Contribution
Navarro-Rodríguez, Á., Garcia, P., Cano, J., & Sumner, M. (2017). Limits, stability and disturbance rejection analysis of voltage control loop strategies for grid forming converters in DC and AC microgrids with high penetration of constant power loads.

This paper extensively analyzes the operation limits, system stability and disturbance rejection capability of the voltage control loops used in master-slave AC and DC Microgrids (MGs). Two different control schemes are studied analytically, simulat... Read More about Limits, stability and disturbance rejection analysis of voltage control loop strategies for grid forming converters in DC and AC microgrids with high penetration of constant power loads.

A Wide Input-Voltage Range Quasi-Z-Source Boost DC–DC Converter With High-Voltage Gain for Fuel Cell Vehicles (2017)
Journal Article
Zhang, Y., Fu, C., Sumner, M., & Wang, P. (2018). A Wide Input-Voltage Range Quasi-Z-Source Boost DC–DC Converter With High-Voltage Gain for Fuel Cell Vehicles. IEEE Transactions on Industrial Electronics, 65(6), 5201-5212. https://doi.org/10.1109/TIE.2017.2745449

A quasi-Z-source Boost DC-DC converter which uses a switched-capacitor is proposed for fuel cell vehicles. The topology can obtain a high voltage gain with a wide input-voltage range, and requires only a low voltage stress across each of the componen... Read More about A Wide Input-Voltage Range Quasi-Z-Source Boost DC–DC Converter With High-Voltage Gain for Fuel Cell Vehicles.

A double end fault location technique for distribution systems based on fault-generated transients (2017)
Presentation / Conference Contribution
Aboshady, F., Sumner, M., & Thomas, D. W. (2017). A double end fault location technique for distribution systems based on fault-generated transients.

This paper presents a fault location technique for distribution systems. It is a two end impedance based technique that uses the fault generated transients to estimate the fault distance over a broad range of frequencies. Then, curve fitting is appli... Read More about A double end fault location technique for distribution systems based on fault-generated transients.

Being a member of an energy community: Assessing the financial benefits for end-users and management authority (2017)
Presentation / Conference Contribution
Panagiotou, K., Klumpner, C., & Sumner, M. (2017). Being a member of an energy community: Assessing the financial benefits for end-users and management authority. In 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE) (957-963). https://doi.org/10.1109/ISIE.2017.8001375

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.

Sensorless speed control of five-phase PMSM drives with low current distortion (2017)
Journal Article
Saleh, K., & Sumner, M. (in press). Sensorless speed control of five-phase PMSM drives with low current distortion. Electrical Engineering, https://doi.org/10.1007/s00202-017-0511-9

This paper introduces a design for a sensorless control of a five-phase PMSM drive working at low and zero speeds with low current distortion. The rotor position is obtained through tracking the saturation saliency by measuring the dynamic currents r... Read More about Sensorless speed control of five-phase PMSM drives with low current distortion.

Hybrid active damping of LCL-filtered grid connected converter (2016)
Presentation / Conference Contribution
Ghanem, A., Rashed, M., Sumner, M., Elsayes, M., & Mansy, I. (2016). Hybrid active damping of LCL-filtered grid connected converter.

A method for hybrid active damping in power converters connected to a weak grid using an LCL filter is proposed. It uses feedback of the grid current and capacitor voltage and is derived as an equivalent to the capacitor current feedback active dampi... Read More about Hybrid active damping of LCL-filtered grid connected converter.

A modelling and simulation of a sensorless control of five-phase PMSM drives using multi-dimension space vector modulation (2016)
Journal Article
Saleh, K., & Sumner, M. (2016). A modelling and simulation of a sensorless control of five-phase PMSM drives using multi-dimension space vector modulation. TELKOMNIKA (Telecommunication, Computing, Electronics and Control), 14(4), https://doi.org/10.12928/TELKOMNIKA.v14i4.3996

This paper introduces a new method to track the saturation saliency for position measurement of a five-phase PMSM motor fed by a five-phase inverter through measuring the dynamic current response of the motor line currents due to the IGBT switching a... Read More about A modelling and simulation of a sensorless control of five-phase PMSM drives using multi-dimension space vector modulation.

Development of a battery energy loss observer based on improved equivalent circuit modelling (2016)
Presentation / Conference Contribution
Fares, A., Klumpner, C., & Sumner, M. (2016). Development of a battery energy loss observer based on improved equivalent circuit modelling. . https://doi.org/10.1109/EPE.2016.7695602

This paper proposes a new energy loss observer for batteries that has a good accuracy and low complexity. This observer can provide a support for battery management systems (BMS) in terms of predicting battery energy loss and/or battery internal temp... Read More about Development of a battery energy loss observer based on improved equivalent circuit modelling.

Analysis of hybrid energy storage systems with DC link fault ride-through capability (2016)
Presentation / Conference Contribution
Georgious, R., Garcia, J., Garcia, P., & Sumner, M. (2016). Analysis of hybrid energy storage systems with DC link fault ride-through capability.

In this work, a Fault Ride-Through control scheme for a non-isolated power topology for Hybrid Energy Storage Systems in a DC microgrid is presented. The Hybrid System is created from a Lithium-Ion Battery and a Supercapacitor Module coordinated to a... Read More about Analysis of hybrid energy storage systems with DC link fault ride-through capability.