All Outputs (53)

A New Single End Wideband Impedance Based Fault Location Scheme for Distribution Systems (2019)
Journal Article
Aboshady, F. M., Thomas, D. W. P., & Sumner, M. (2019). A New Single End Wideband Impedance Based Fault Location Scheme for Distribution Systems. Electric Power Systems Research, 173, 263-270. https://doi.org/10.1016/j.epsr.2019.04.034

This paper proposes an improved impedance based fault location scheme based on system analysis at non-fundamental frequencies. The fault is treated as a voltage source that injects high frequency components into the system and the analysis is carried... Read More about A New Single End Wideband Impedance Based Fault Location Scheme for Distribution Systems.

Small-Signal Modelling and Stability Assessment of Phase-Locked Loops in Weak Grids (2019)
Journal Article
Burgos-Mellado, C., Costabeber, A., Sumner, M., Cárdenas-Dobson, R., & Sáez, D. (2019). Small-Signal Modelling and Stability Assessment of Phase-Locked Loops in Weak Grids. Energies, 12(7), 1227. https://doi.org/10.3390/en12071227

This paper proposes a low-complexity small signal model for a 3-leg converter connected to a balanced three-phase, three-wire weak grid and synchronised to this grid using a PLL implemented in a synchronous rotating d-q axis. A thorough analysis of t... Read More about Small-Signal Modelling and Stability Assessment of Phase-Locked Loops in Weak Grids.

Influence of inverter-interfaced renewable energy generators on directional relay and an improved scheme (2019)
Journal Article
Jia, K., Zhe, Y., Fang, Y., Bi, T., & Sumner, M. (2019). Influence of inverter-interfaced renewable energy generators on directional relay and an improved scheme. IEEE Transactions on Power Electronics, 34(12), 11843-11855. https://doi.org/10.1109/tpel.2019.2904715

Renewable energy sources (RESs) are typically interfaced to the grid using power electronics which can cause their fault current characteristics to display significant low frequency harmonics and unbalanced sequence impedances. Such current character... Read More about Influence of inverter-interfaced renewable energy generators on directional relay and an improved scheme.

A System Design for Distributed Energy Generation in Low-Temperature District Heating (LTDH) Networks (2019)
Journal Article
Jones, S. R., Gillott, M., Boukhanouf, R., Walker, G., Tunzi, M., Tetlow, D., …Sumner, M. (2019). A System Design for Distributed Energy Generation in Low-Temperature District Heating (LTDH) Networks. Future Cities and Environment, 5(1), Article 2. https://doi.org/10.5334/fce.44

Project SCENIC (Smart Controlled Energy Networks Integrated in Communities) involves connecting properties at the University of Nottingham’s Creative Energy Homes site in a community scale, integrated heat and power network. The system will use distr... Read More about A System Design for Distributed Energy Generation in Low-Temperature District Heating (LTDH) Networks.

Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs (2019)
Journal Article
Fares, A. M., Klumpner, C., & Sumner, M. (2019). Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs. Journal of Engineering, 2019(17), 3862-3866. https://doi.org/10.1049/joe.2018.8228

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.

Sizing guidelines for grid-connected decentralised energy storage systems: single house application (2019)
Journal Article
Panagiotou, K., Klumpner, C., & Sumner, M. (2019). Sizing guidelines for grid-connected decentralised energy storage systems: single house application. Journal of Engineering, 2019(17), 3802-3806. https://doi.org/10.1049/joe.2018.8155

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.

Sensorless Control of a Fault-tolerant Multi-level PMSM Drive (2018)
Journal Article
Saleh, K., & Sumner, M. (2018). Sensorless Control of a Fault-tolerant Multi-level PMSM Drive. TELKOMNIKA (Telecommunication, Computing, Electronics and Control), 16(6), 2930-2942

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
Jahanger, H. K., Sumner, M., & Thomas, D. W. P. (2018). Influence of DGs on the Single-Ended Impedance Based Fault Location Technique. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC)

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.

Microgrid Energy Management Using a Two Stage Rolling Horizon Technique for Controlling an Energy Storage System (2018)
Conference Proceeding
Elkazaz, M., Sumner, M., Pholboon, S., & Thomas, D. (2018). Microgrid Energy Management Using a Two Stage Rolling Horizon Technique for Controlling an Energy Storage System. . https://doi.org/10.1109/icrera.2018.8566761

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
Rose, C., Sumner, M., & Thomas, D. W. (2018). Utilizing Spare Inverter Capacity for Distribution Grid Voltage Support: An Adaptive Control Scheme. . https://doi.org/10.1109/ICRERA.2018.8566863

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
Burgos-Mellado, C., Cardenas-Dobson, R., Saez, D., Costabeber, A., & Sumner, M. (2019). A Control Algorithm Based on the Conservative Power Theory for Cooperative Sharing of Imbalances in 4-Wire Systems. IEEE Transactions on Power Electronics, 34(6), 5325-5339. https://doi.org/10.1109/tpel.2018.2869866

© 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.

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.

Real time parameter estimation for power quality control and intelligent protection of grid-connected power electronic converters (2014)
Journal Article
Sumner, M., Abusorrah, A., Thomas, D. W., & Zanchetta, P. (2014). Real time parameter estimation for power quality control and intelligent protection of grid-connected power electronic converters. IEEE Transactions on Smart Grid, 5(4), https://doi.org/10.1109/TSG.2014.2298495

This paper presents a method to identify power system impedance in real-time using signals obtained from grid- connected power electronic converters. The proposed impedance estimation has potential applications in renewable/distributed energy systems... Read More about Real time parameter estimation for power quality control and intelligent protection of grid-connected power electronic converters.