Outputs (27)

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.

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.

An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator (2018)
Journal Article
Cumming, D. R., Thomas, D., Maricar, M. I., Khalid, A., Dunn, G., Greedy, S., …Oxley, C. H. (2018). An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator. Microwave and Optical Technology Letters, 60(9), 2144-2148. https://doi.org/10.1002/mop.31312

© 2018 Wiley Periodicals, Inc. The planar Gunn diode offers the potential of microwave, milli-metric and THz-based oscillators, which can be fabricated as part of a microwave monolithic integrated circuit (mmic). The paper develops an electrical repr... Read More about An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator.

Influence of an inverter based DG on a double-ended fault location scheme (2018)
Journal Article
Jahangar, H., Thomas, D. W., Sumner, M., & Rose, C. J. (2018). Influence of an inverter based DG on a double-ended fault location scheme. Journal of Engineering, 2018(15), 1078–1083. https://doi.org/10.1049/joe.2018.0261

This paper describes the influence of Distributed Generation (DG) on a double ended fault location based on measuring the high frequency fault transients. The additional non-fundamental frequency current components from DG will influence the accuracy... Read More about Influence of an inverter based DG on a double-ended fault location scheme.

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.

Near-field scanning and propagation of correlated low-frequency radiated emissions (2017)
Journal Article
Gradoni, G., Madenoor Ramapriya, D., Creagh, S. C., Tanner, G., Baharuddin, M. H., Nasser, H., …Thomas, D. W. (2017). Near-field scanning and propagation of correlated low-frequency radiated emissions. IEEE Transactions on Electromagnetic Compatibility, 60(6), 2045-2048. https://doi.org/10.1109/TEMC.2017.2778046

Electromagnetic radiation from complex printed circuit boards can occur over a broad frequency bandwidth, ranging from hundreds of MHz to tens of GHz. This is becoming a critical issue for assessment of EMC and interoperability as electronic componen... Read More about Near-field scanning and propagation of correlated low-frequency radiated emissions.

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.