All Outputs (53)

The Effect of Spread Spectrum Modulation for a Buck Converter Coupled with a Single Wired Communication Link (2021)
Conference Proceeding
Pena-Quintal, A., Niewiadomski, K., Muneeswaran, V., Greedy, S., Sumner, M., & Thomas, D. (2021). The Effect of Spread Spectrum Modulation for a Buck Converter Coupled with a Single Wired Communication Link. In EMC/SI/PI and EMC Europe Symposium, IEEE International Joint (445-450). https://doi.org/10.1109/EMC/SI/PI/EMCEurope52599.2021.9559276

This paper explores the effect of using a Spread Spectrum modulation technique with a Buck Converter on a communication cable coupled at the input voltage. The EMI created by the switching of the power converter generates damped oscillations on the d... Read More about The Effect of Spread Spectrum Modulation for a Buck Converter Coupled with a Single Wired Communication Link.

Distributed Predictive Control using Frequency and Voltage Soft Constraints in AC Microgrids including Economic Dispatch of Generation (2021)
Conference Proceeding
Navas-Fonseca, A., Burgos-Mellado, C., Gomez, J. S., Llanos, J., Espina, E., Saez, D., & Sumner, M. (2021). Distributed Predictive Control using Frequency and Voltage Soft Constraints in AC Microgrids including Economic Dispatch of Generation. . https://doi.org/10.1109/IECON48115.2021.9589500

This paper proposes a distributed predictive secondary controller to tackle together frequency and voltage regulation, realize the economic dispatch and reactive power sharing of generation units in isolated AC microgrids. Contrary to most approaches... Read More about Distributed Predictive Control using Frequency and Voltage Soft Constraints in AC Microgrids including Economic Dispatch of Generation.

Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor (2021)
Conference Proceeding
Raqib, A., Jahanger, H., Sumner, M., Cox, T., Klumpner, C., Agha, I., …Lonsdale, P. (2021). Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor. In 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) (621 – 626). https://doi.org/10.1049/icp.2021.1169

Electrolytic capacitors continue to be used for the DC-link in motor drive systems due to their high specific capacitance. The degradation of electrolytic capacitors can lead to increased equivalent series resistances (ESR) and reduction in capacitan... Read More about Comparison of Frequency Transform Methods for Condition Monitoring of a DC-Link Capacitor.

A compensated impedance based ground fault locator for an unearthed power system (2021)
Conference Proceeding
Jahanger, H. K., Raqib, A., Thomas, D. W., & Sumner, M. (2021). A compensated impedance based ground fault locator for an unearthed power system. In 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) (592 – 597). https://doi.org/10.1049/icp.2021.1001

Continuous operation of a power system during a ground fault can be achieved by employing either a High Resistance Grounded (HRG) power source or a floating power source. However, if a second ground fault occurs in the system it can cause significant... Read More about A compensated impedance based ground fault locator for an unearthed power system.

Distributed Predictive Secondary Control for Imbalance Sharing in AC Microgrids (2021)
Journal Article
Navas-Fonseca, A., Burgos-Mellado, C., Gomez, J. S., Donoso, F., Tarisciotti, L., Saez, D., …Sumner, M. (2022). Distributed Predictive Secondary Control for Imbalance Sharing in AC Microgrids. IEEE Transactions on Smart Grid, 13(1), 20-37. https://doi.org/10.1109/TSG.2021.3108677

This paper proposes a distributed predictive secondary control strategy to share imbalance in three-phase, three-wire isolated AC Microgrids. The control is based on a novel approach where the imbalance sharing among distributed generators is control... Read More about Distributed Predictive Secondary Control for Imbalance Sharing in AC Microgrids.

Distributed Predictive Control Strategy for Frequency Restoration of Microgrids Considering Optimal Dispatch (2021)
Journal Article
F., A. N., Gomez, J. S., Llanos, J., Rute, E., Saez, D., & Sumner, M. (2021). Distributed Predictive Control Strategy for Frequency Restoration of Microgrids Considering Optimal Dispatch. IEEE Transactions on Smart Grid, 12(4), 2748-2759. https://doi.org/10.1109/tsg.2021.3053092

Microgrids are the cornerstone for a new model of electrical generation based on renewable resources. Commonly microgrids are controlled with a centralised hierarchical structure, which is inherited from power systems. However, a time-scale separatio... Read More about Distributed Predictive Control Strategy for Frequency Restoration of Microgrids Considering Optimal Dispatch.

Distributed Predictive Secondary Control for Voltage Restoration and Economic Dispatch of Generation for DC Microgrids (2021)
Conference Proceeding
Navas-Fonseca, A., Burgos-Mellado, C., Espina, E., Rute, E., Gomez, J. S., Saez, D., & Sumner, M. (2021). Distributed Predictive Secondary Control for Voltage Restoration and Economic Dispatch of Generation for DC Microgrids. . https://doi.org/10.1109/ICDCM50975.2021.9504612

DC microgrids ease the integration of renewables and can be easily put together with plug-and-play operation. However, most control techniques in DC microgrids focus on voltage regulation without considering its economical operation. Furthermore, the... Read More about Distributed Predictive Secondary Control for Voltage Restoration and Economic Dispatch of Generation for DC Microgrids.

Sensorless Speed Control of a Fault-Tolerant Five-Phase PMSM Drives (2020)
Journal Article
Saleh, K., & Sumner, M. (2020). Sensorless Speed Control of a Fault-Tolerant Five-Phase PMSM Drives. Electric Power Components and Systems, 48(9-10), 919-932. https://doi.org/10.1080/15325008.2020.1825555

This paper introduces a novel method to achieve sensorless speed control of a Five-phase Permanent Magnet Synchronous Motor (PMSM) drive in case of a single-phase open-circuit fault regardless which phase is open. The motor performance when an open c... Read More about Sensorless Speed Control of a Fault-Tolerant Five-Phase PMSM Drives.

Time-domain Assessment of Data Transmission Errors in Systems with Multiple DC/DC Converters (2020)
Conference Proceeding
Niewiadomski, K., Lezynski, P., Smolenski, R., Bojarski, J., Sumner, M., & Thomas, D. W. P. (2020). Time-domain Assessment of Data Transmission Errors in Systems with Multiple DC/DC Converters. . https://doi.org/10.1109/emceurope48519.2020.9245673

In this paper a statistical approach to quantify time-domain impact of common mode (CM) voltage induced on a communication system by the operation of several DC/DC converters is presented. The mathematical formulation of a problem of conducted electr... Read More about Time-domain Assessment of Data Transmission Errors in Systems with Multiple DC/DC Converters.

An Open Source, FPGA-Based Bit Error Ratio Tester for Serial Communications (2020)
Conference Proceeding
Basford, M. J., Pena-Quintal, A. E., Greedy, S., Sumner, M., & Thomas, D. W. P. (2020). An Open Source, FPGA-Based Bit Error Ratio Tester for Serial Communications. In Proceedings of 2020 International Symposium on Electromagnetic Compatibility - EMC EUROPE. https://doi.org/10.1109/emceurope48519.2020.9245786

This paper discusses the design of a FPGA-based Bit Error Ratio (BER) measurement system in a serial communication link under electromagnetic emissions. The BER measurement is an important figure for the reliability of digital communication systems.... Read More about An Open Source, FPGA-Based Bit Error Ratio Tester for Serial Communications.

Power Quality Analysis (0-2kHz) in DC/DC Converters under Steady State and Transient Conditions (2020)
Conference Proceeding
Khilnani, A. D., Niewiadomski, K., Rose, C., Sumner, M., Thomas, D. W. P., Ballukja, E., …Mariscotti, A. (2020). Power Quality Analysis (0-2kHz) in DC/DC Converters under Steady State and Transient Conditions. . https://doi.org/10.1109/emceurope48519.2020.9245758

The aim of this paper is to understand the effects of low frequency (0-2kHz) conducted emissions on power quality from a microgrid based DC/DC converter under steady state and transient loading conditions. The experimental data obtained from the lab... Read More about Power Quality Analysis (0-2kHz) in DC/DC Converters under Steady State and Transient Conditions.

Performance Assessment of an Energy Management System for a Home Microgrid with PV Generation (2020)
Journal Article
Elkazaz, M., Sumner, M., Pholboon, S., Davies, R., & Thomas, D. (2020). Performance Assessment of an Energy Management System for a Home Microgrid with PV Generation. Energies, 13(13), https://doi.org/10.3390/en13133436

Home energy management systems (HEMS) are a key technology for managing future electricity distribution systems as they can shift household electricity usage away from peak consumption times and can reduce the amount of local generation penetrating i... Read More about Performance Assessment of an Energy Management System for a Home Microgrid with PV Generation.

A Fault Location Scheme for Active Untransposed Distribution Systems Using a Limited Number of Synchronized Measurements (2020)
Journal Article
Aboshady, F., Thomas, D., & Sumner, M. (2020). A Fault Location Scheme for Active Untransposed Distribution Systems Using a Limited Number of Synchronized Measurements. Electric Power Components and Systems, 48(1-2), 1-11. https://doi.org/10.1080/15325008.2020.1731880

This paper presents a fault location scheme for unbalanced and untransposed distribution systems which contain different types of distributed generation (DG). A general formula has been derived for any fault type using a limited number of synchronize... Read More about A Fault Location Scheme for Active Untransposed Distribution Systems Using a Limited Number of Synchronized Measurements.

Fault Ride-Through Power Electronic Topologies for Hybrid Energy Storage Systems (2020)
Journal Article
Georgious, R., Garcia, J., Sumner, M., Saeed, S., & Garcia, P. (2020). Fault Ride-Through Power Electronic Topologies for Hybrid Energy Storage Systems. Energies, 13(1), https://doi.org/10.3390/en13010257

This work presents a fault ride-through control scheme for a non-isolated power topology used in a hybrid energy storage system designed for DC microgrids. The hybrid system is formed by a lithium-ion battery bank and a supercapacitor module, both co... Read More about Fault Ride-Through Power Electronic Topologies for Hybrid Energy Storage Systems.

Hierarchical Energy Management System for Microgrid Operation Based on Robust Model Predictive Control (2019)
Journal Article
Núñez, A., Marín, L. G., Sáez, D., Sumner, M., Pholboon, S., Muñoz-Carpintero, D., & Köbrich, D. (2019). Hierarchical Energy Management System for Microgrid Operation Based on Robust Model Predictive Control. Energies, 12(23), Article 4453. https://doi.org/10.3390/en12234453

© 2019 by the authors. This paper presents a two-level hierarchical energy management system (EMS) for microgrid operation that is based on a robust model predictive control (MPC) strategy. This EMS focuses on minimizing the cost of the energy drawn... Read More about Hierarchical Energy Management System for Microgrid Operation Based on Robust Model Predictive Control.

An Exploration of Design Options for Integrated Residential PV-ESS (2019)
Conference Proceeding
Panagiotou, K., Klumpner, C., Sumner, M., & Georghiou, G. E. (2019). An Exploration of Design Options for Integrated Residential PV-ESS. In Proceedings: IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society (4721-4726). https://doi.org/10.1109/IECON.2019.8927217

The behind-the-meter integration of the distributed energy sources and the energy storage systems (ESSs) presents one of the key solutions for the 21st century energy and power challenges. A comprehensive design and development procedure, which integ... Read More about An Exploration of Design Options for Integrated Residential PV-ESS.

A Wideband Single End Fault Location Scheme for Active Untransposed Distribution Systems (2019)
Journal Article
Aboshady, F., Thomas, D., & Sumner, M. (2020). A Wideband Single End Fault Location Scheme for Active Untransposed Distribution Systems. IEEE Transactions on Smart Grid, 11(3), 2115 - 2124. https://doi.org/10.1109/TSG.2019.2947870

This paper presents a single end fault location scheme for distribution networks with distributed generation (DG). The high frequency transients generated when a fault occurs are used to locate the fault point. An equivalent circuit at high frequenci... Read More about A Wideband Single End Fault Location Scheme for Active Untransposed Distribution Systems.

Distributed Control Strategy Based on a Consensus Algorithm and on the Conservative Power Theory for Imbalance and Harmonic Sharing in 4-Wire Microgrids (2019)
Journal Article
Burgos-Mellado, C., Llanos, J., Cardenas, R., Saez, D., Olivares, D. E., Sumner, M., & Costabeber, A. (2020). Distributed Control Strategy Based on a Consensus Algorithm and on the Conservative Power Theory for Imbalance and Harmonic Sharing in 4-Wire Microgrids. IEEE Transactions on Smart Grid, 11(2), 1604 -1619. https://doi.org/10.1109/tsg.2019.2941117

A distributed control system is proposed which uses the Conservative Power Theory (CPT) and a consensus algorithm to share imbalance and harmonics between different converters in three-phase four-wire droop-controlled Microgrids (MGs). The CPT is use... Read More about Distributed Control Strategy Based on a Consensus Algorithm and on the Conservative Power Theory for Imbalance and Harmonic Sharing in 4-Wire Microgrids.

Energy management system for hybrid PV-wind-battery microgrid using convex programming, model predictive and rolling horizon predictive control with experimental validation (2019)
Journal Article
Elkazaz, M., Sumner, M., & Thomas, D. (2020). Energy management system for hybrid PV-wind-battery microgrid using convex programming, model predictive and rolling horizon predictive control with experimental validation. International Journal of Electrical Power and Energy Systems, 115, Article 105483. https://doi.org/10.1016/j.ijepes.2019.105483

The integration of energy storage technologies with renewable energy systems can significantly reduce the operating costs for microgrids (MG) in future electricity networks. This paper presents a novel energy management system (EMS) which can minimiz... Read More about Energy management system for hybrid PV-wind-battery microgrid using convex programming, model predictive and rolling horizon predictive control with experimental validation.

Real-Time Energy Management for a Small Scale PV-Battery Microgrid: Modeling, Design, and Experimental Verification (2019)
Journal Article
Elkazaz, M., Sumner, M., & Thomas, D. (2019). Real-Time Energy Management for a Small Scale PV-Battery Microgrid: Modeling, Design, and Experimental Verification. Energies, 12(14), 1-16. https://doi.org/10.3390/en12142712

A new energy management system (EMS) is presented for small scale microgrids (MGs). The proposed EMS focuses on minimizing the daily cost of the energy drawn by the MG from the main electrical grid and increasing the self-consumption of local renewab... Read More about Real-Time Energy Management for a Small Scale PV-Battery Microgrid: Modeling, Design, and Experimental Verification.