All Outputs (14)

Stochastic Approach to Modelling Emissions of Multiple Power Electronic Converters (2023)
Conference Proceeding
Ballukja, E., Aitbar, I., Niewiadomski, K., Thomas, D. W., Sumner, M., & Smolenski, R. (2023). Stochastic Approach to Modelling Emissions of Multiple Power Electronic Converters. In 2023 IEEE 7th Global Electromagnetic Compatibility Conference (GEMCCON). https://doi.org/10.1109/gemccon57842.2023.10078210

The aim of this paper is to describe the effects of time delays (Δt) between the switching of several converters on the statistical quantification of the common mode current caused by a multiple converters set-up. To this end, the time delays are con... Read More about Stochastic Approach to Modelling Emissions of Multiple Power Electronic Converters.

EMI Spectral Aggregation of Modulation Schemes in a lab-based DC Microgrid (2022)
Conference Proceeding
Pena-Quintal, A., Khilnani, A., Sandrolini, L., Sumner, M., Thomas, D., & Greedy, S. (2022). EMI Spectral Aggregation of Modulation Schemes in a lab-based DC Microgrid. In 2022 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (EMCSI) (226-231). https://doi.org/10.1109/emcsi39492.2022.9889337

DC Microgrid research has developed in the recent years following the increasing integration of power electronic based switching devices at the point of common coupling in DC grids. This has led to electromagnetic interference problems caused by the... Read More about EMI Spectral Aggregation of Modulation Schemes in a lab-based DC Microgrid.

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.

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.

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.

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.

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.

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.

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.