All Outputs (29)

State of the Art of Near-Field Scanning: Contemporary Standards and Methods (2023)
Conference Proceeding
Voskresenskyi, S., Aitbar, I., Ballukja, E., Niewiadomski, K., Thomas, D. W., & Greedy, S. (2023). State of the Art of Near-Field Scanning: Contemporary Standards and Methods. In 2023 IEEE 7th Global Electromagnetic Compatibility Conference (GEMCCON) (29-30). https://doi.org/10.1109/GEMCCON57842.2023.10078194

This paper presents a review of a number of techniques used for near-field scanning and detection of electromagnetic radiation sources. It also gives an overview of standards, related to technical requirements for the devices as well as scanning meth... Read More about State of the Art of Near-Field Scanning: Contemporary Standards and Methods.

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.

Comparison of Great Britain and Ukraine railway systems based on their EMC capability and electrification systems (2023)
Conference Proceeding
Adhena, H. H., Serdiuk, T., Thomas, D., & Greedy, S. (2023). Comparison of Great Britain and Ukraine railway systems based on their EMC capability and electrification systems. In 2023 IEEE 7th Global Electromagnetic Compatibility Conference (GEMCCon) : Merusaka Nusa Dua, Bali 19 - 20 January 2023 (35-36). https://doi.org/10.1109/GEMCCON57842.2023.10078193

In this paper, a comparison based on electromagnetic compatibility capability, electromagnetic interference susceptibility, signalling, and electrification systems of Great Britain and Ukraine's railway systems will be analyzed.

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.

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.

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.

Data Links Modelling under Radiated EMI and its Impact on Sampling Errors in the Physical Layer (2020)
Conference Proceeding
Pena-Quintal, A. E., Basford, M. J., Niewiadomski, K., Greedy, S., Sumner, M., & Thomas, D. W. P. (2020). Data Links Modelling under Radiated EMI and its Impact on Sampling Errors in the Physical Layer. In Proceedings of 2020 International Symposium on Electromagnetic Compatibility - EMC EUROPE. https://doi.org/10.1109/emceurope48519.2020.9245670

This paper deals with the effects of radiated EMI on serial communication links using software modelling with particular emphasis on the physical layer. The effect of EMI in data links is an important problem to solve in many harsh environments such... Read More about Data Links Modelling under Radiated EMI and its Impact on Sampling Errors in the Physical Layer.

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.

Sizing Community Energy Storage Systems — Used for Bill Management compared to Use in Capacity and Firm Frequency Response Markets (2020)
Conference Proceeding
Elkazaz, M., Sumner, M., & Thomas, D. (2020). Sizing Community Energy Storage Systems — Used for Bill Management compared to Use in Capacity and Firm Frequency Response Markets. In 2020 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT) (1-6). https://doi.org/10.1109/ISGT45199.2020.9087724

This paper introduces an economic analysis for the optimal sizing of a battery energy storage system (BESS) for use in an Energy Community. The analysis is based on data from a UK community and aims to determine the best size for the BESS to manage t... Read More about Sizing Community Energy Storage Systems — Used for Bill Management compared to Use in Capacity and Firm Frequency Response Markets.

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.

A Wideband Fault Location Scheme for Active Distribution Systems (2018)
Conference Proceeding
Aboshady, F., Sumner, M., & Thomas, D. (2018). A Wideband Fault Location Scheme for Active Distribution Systems. In 2018 International Conference on Renewable Energy Research and Applications (ICRERA) (891-896). https://doi.org/10.1109/ICRERA.2018.8566780

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
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.

Analysis of Nonstationary Emissions for Efficient Characterization of Stochastic em Fields (2018)
Conference Proceeding
Baharuddin, M. H., Smartt, C., Maricar, M. I., Thomas, D. W., Gradoni, G., Creagh, S. C., & Tanner, G. (2018). Analysis of Nonstationary Emissions for Efficient Characterization of Stochastic em Fields. In 2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE) (208-213). https://doi.org/10.1109/EMCEurope.2018.8485104

A statistical approach using field-field correlation functions which is obtained from two-probe time domain measurement is used to characterize the radiation from complex devices. The time-frequency analysis provided by the measurement data has shown... Read More about Analysis of Nonstationary Emissions for Efficient Characterization of Stochastic em Fields.

Fast fault location scheme for distribution systems based on fault transients (2017)
Conference Proceeding
Aboshady, F., Thomas, D. W., & Sumner, M. (2017). Fast fault location scheme for distribution systems based on fault transients. In IET International Conference on Resilience of Transmission and Distribution Networks (RTDN 2017) (1-6). https://doi.org/10.1049/cp.2017.0327

This paper presents a combined double-end and single-end fault locator for distribution systems. The technique lies under the impedance based category and uses the fault generated high frequency components to locate the faults. The combination of dou... Read More about Fast fault location scheme for distribution systems based on fault transients.

Per-phase controller for medium voltage full-bridge modular multilevel converters (2017)
Conference Proceeding
Noori, A., Costabeber, A., Sumner, M., & Thomas, D. (2017). Per-phase controller for medium voltage full-bridge modular multilevel converters. In International Conference on Resilience of Transmission and Distribution Networks (RTDN 2017). https://doi.org/10.1049/cp.2017.0331

This work proposes a per-phase control architecture for a fullbridge modular multilevel converter (FB-MMC) intended for medium voltage applications, such as MVDC multi-terminal distribution networks in off-shore wind farms or MVDC networks in industr... Read More about Per-phase controller for medium voltage full-bridge modular multilevel converters.

Combining fault location estimates for a multi-tapped distribution line (2017)
Conference Proceeding
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.

EMC-oriented multi-conductor equivalent circuit cable models for spice, including transfer impedance coupling and incident field excitation (2017)
Conference Proceeding
Smartt, C., Basford, M., Greedy, S., Thomas, D., & Sumner, M. (2017). EMC-oriented multi-conductor equivalent circuit cable models for spice, including transfer impedance coupling and incident field excitation. In Proceedings of the 2017 19th International Conference on Electromagnetics in Advanced Applications (1283-1287). https://doi.org/10.1109/ICEAA.2017.8065507

This paper describes the development and application of sophisticated multi-conductor cable bundle models for Spice simulation. The cable models developed include frequency dependent parameters, transfer impedance coupling and incident plane wave exc... Read More about EMC-oriented multi-conductor equivalent circuit cable models for spice, including transfer impedance coupling and incident field excitation.

A double end fault location technique for distribution systems based on fault-generated transients (2017)
Conference Proceeding
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.

Time domain measurement of near field emissions from complex PCBs (2016)
Conference Proceeding
Thomas, D., Greedy, S., Smartt, C., Nasser, H., Baharuddin, M., Gradoni, G., …Tanner, G. (2016). Time domain measurement of near field emissions from complex PCBs. . https://doi.org/10.1109/EuMC.2016.7824441

This paper discusses how the measurements of the near-field emissions in the time domain can be used to characterize the broadband emissions from complex sources such as multifunctional Printed Circuit Boards (PCBs). The near- fields, transverse to t... Read More about Time domain measurement of near field emissions from complex PCBs.