Browse by Current Cardiff authors

Kherif, Omar, Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Griffiths, Huw, Harid, Noureddine, Thorpe, David and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2024. On the high frequency performance of vertical ground electrodes and LRM application. IEEE Transactions on Electromagnetic Compatibility 66 (5) , pp. 1655-1664. 10.1109/TEMC.2024.3435788

Thangabalan, Baskar, Sarathi, Ramanujam, Harid, Noureddine and Griffiths, Huw 2023. Impact of gamma irradiated SiR-Al2O3 nanocomposites and degradation diagnosis using LIBS method. IEEE Transactions on Dielectrics and Electrical Insulation 30 (4) , pp. 1760-1768. 10.1109/TDEI.2023.3261833

Thangabalan, B., Sarathi, R., Harid, N. and Griffiths, Huw 2023. Investigation of charge dynamics in the corona-aged silicone rubber alumina nanocomposite. Polymer Composites 44 (6) , pp. 3169-3184. 10.1002/pc.27309

Manjunath, Ashwin Desai Belaguppa, Harid, Noureddine, Griffiths, Huw, Nogueira, Ricardo Pereira, Noyanbayev, Nurym, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ramanujam, Sarathi 2023. Equivalent circuit models for soils and aqueous solutions under 2-terminal test configuration. IEEE Transactions on Electromagnetic Compatibility 65 (1) , pp. 225-234. 10.1109/TEMC.2022.3216813

Thangabalan, Baskar, Neelmani, Vasa, Neelesh J, Sarathi, Ramanujam, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Griffiths, Huw 2022. Understanding the surface condition of silicone rubber nanocomposite due to corona ageing using afm imaging and libs spectroscopy. IEEE Transactions on Dielectrics and Electrical Insulation 29 (6) , pp. 2089-2100. 10.1109/TDEI.2022.3214478

Amalanathan, A.J., Sarathi, R., Sarkar, Bhaswati, Gardas, Ramesh L., Harid, N. and Griffiths, H. 2022. Impact of silver sulfide on rheology and streaming electrification of mineral oil and mixed fluid. Journal of Electrostatics 119 , 103747. 10.1016/j.elstat.2022.103747

Manjunath, Ashwin Desai Belaguppa, Khan, Fatima, Noyanbayev, Nurym, Harid, Noureddine, Griffiths, Huw, Nogueira, Ricardo Pereira, De Oliveira, Nilson Tadeu Camarinho, Haddad, Manu ORCID: https://orcid.org/0000-0003-4153-6146 and Ramanujam, Sarathi 2022. Investigation into variation of resistivity and permittivity of aqueous solutions and soils with frequency and current density. IEEE Transactions on Electromagnetic Compatibility 64 (2) , pp. 443-455. 10.1109/TEMC.2021.3127640

Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2018. Traveling wave fault location using layer peeling. Energies 12 (1) , p. 126. 10.3390/en12010126

Abdul Hamid, Haziah, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Manu A. ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2018. Modelling of a 400-kV MSCDN reactor for computation of voltage and field distributions during switching transients. IEEE Access 6 , 36247 - 36255. 10.1109/ACCESS.2018.2849929

Chen, Lujia, Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Kamarudin, Mohammad S., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2017. CF3I gas mixtures: breakdown characteristics and potential for electrical insulation. IEEE Transactions on Power Delivery 32 (2) , pp. 1089-1097. 10.1109/TPWRD.2016.2602259

Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2016. A new methodology for network scale simulation of emerging power line communication standards. IEEE Transactions on Power Delivery 33 (3) , pp. 1025-1034. 10.1109/TPWRD.2016.2595639

Chen, Lujia ORCID: https://orcid.org/0000-0001-6983-3156, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Kamarudin, M. S. 2016. Breakdown of CF3I gas and its mixtures under lightning impulse in coaxial-gil geometry. IEEE Transactions on Dielectrics and Electrical Insulation 23 (4) , pp. 1959-1967. 10.1109/TDEI.2016.7556467

Widger, P. ORCID: https://orcid.org/0000-0002-0662-8590, Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, H. 2016. Breakdown performance of vacuum circuit breakers using alternative CF3I-CO2 insulation gas mixture. IEEE Transactions on Dielectrics and Electrical Insulation 23 (1) , pp. 14-21. 10.1109/TDEI.2015.005254

Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Waters, Ronald T., Charalampidis, P., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2016. Infrared analysis of dry-band flashover of silicone rubber insulators. IEEE Transactions on Dielectrics and Electrical Insulation 23 (1) , pp. 304-310. 10.1109/TDEI.2015.005026

Harid, N., Bogias, A. C., Griffiths, Huw, Robson, S. and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2016. A wireless system for monitoring leakage current in electrical substation equipment. IEEE Access 4 , pp. 2965-2975. 10.1109/ACCESS.2016.2577553

Abid, Rabia, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Cole, M., Griffiths, Huw, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Stone, Christopher and Evans, Samuel Lewin ORCID: https://orcid.org/0000-0003-3664-2569 2015. Mechanisms of damage propagation in carbon composites under high impulse current magnitudes. Presented at: 50th International Universities Power Engineering Conference (UPEC), Stoke-on-Trent, UK, 1-4 September 2015. Power Engineering Conference (UPEC), 2015 50th International Universities. p. 1. 10.1109/UPEC.2015.7339853

Elzowawi, Alseddig, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Clark, David ORCID: https://orcid.org/0000-0002-1090-2361 2015. Investigation of soil ionization propagation in two-layer soil samples. Presented at: 50th International Universities Power Engineering Conference (UPEC), Stoke-on-Trent, UK, 1-4 September 2015. 2015 50th International Universities Power Engineering Conference (UPEC 2015). Institute of Electrical and Electronics Engineers (IEEE), 10.1109/UPEC.2015.7339782

Harid, Noureddine, Griffiths, Huw, Mousa, Salah, Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2015. On the analysis of impulse test results on grounding systems. IEEE Transactions on Industry Applications 51 (6) , pp. 5324-5334. 10.1109/TIA.2015.2442517

Elzowawi, Alseddig, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Clark, David ORCID: https://orcid.org/0000-0002-1090-2361 2015. Investigation of soil ionization propagation in two- layer soil samples. Presented at: 50th International Universities Power Engineering Conference UPEC 2015, Staffordshire University, UK, 1-4 September 2015.

Elzowawi, Alseddig, Griffiths, Huw, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2015. Investigation of impulse discharges in two-layer wet and dry soil sample. Presented at: 19th International Symposium on High Voltage Engineering – ISH 2015, Pilsen, Czech Republic, 23-28-August 2015.

Elzowawi, Alseddig, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2015. Visualization of the ionization phenomenon in porous materials under lightning impulse. Presented at: 9th Asia-Pacific International Conference on Lightning, Nagoya, Japan, 23-27 June 2015.

Elzowawi, Alseddig, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Clark, David ORCID: https://orcid.org/0000-0002-1090-2361 2015. Investigation of impulse discharges in two-layer wet and dry soil sample. Presented at: ISH 2015 - 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic, 23-28 August 2015. Proceedings of the 19th International Symposium on High Voltage Engineering: ISH,

Chen, Lujia ORCID: https://orcid.org/0000-0001-6983-3156, Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Kamarudin, M. S., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2015. Potential of CF3I gas mixture as an insulation medium in gas-insulated equipment. Presented at: 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Ann Arbor, MI, USA, 18-21 October 2015. 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP). 2015 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP). Institute of Electrical and Electronics Engineers (IEEE), pp. 868-871. 10.1109/CEIDP.2015.7352013

Hasan, Hasan, Hamzeh Bahmani, Hamed, Griffiths, Huw, Harid, Noureddine, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2015. Characterisation of earth electrodes subjected to impulse and variable frequency currents. Presented at: ISH 2015 - 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic, 23-28 August 2015.

Al Ali, D., Cipcigan, Liana ORCID: https://orcid.org/0000-0002-5015-3334, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2015. Assessment of line overloading risk for transmission networks. Presented at: 11th IET International Conference on AC and DC Power Transmission, Birmingham, 10-12 February 2015. 11th IET International Conference on C and DC Power Transmission. IET, 015 (6 .). 10.1049/cp.2015.0040

Omar, S., Griffiths, Huw, Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Tuffery, D., Moseley, P., Smith, M., Donnelly, S. and Ali, S. 2015. HV distribution network supply restoration. Presented at: 2015 50th International Universities Power Engineering Conference (UPEC), Stoke-on-Trent, UK, 1-4 September 2015. Power Engineering Conference (UPEC), 2015 50th International Universities. 2015 50TH INTERNATIONAL UNIVERSITIES POWER ENGINEERING CONFERENCE (UPEC). IEEE,

Hasan, Hasan, Hamzehbahmani, H., Griffiths, Huw, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2015. Characterization of horizontal earth electrodes: variable frequency and impulse responses. Presented at: 2015 50th International Universities Power Engineering Conference (UPEC), Stoke-on-Trent, UK, 1-4 September 2015. Power Engineering Conference (UPEC), 2015 50th International Universities. IEEE, pp. 1-5.

Ahmad, Hafisoh, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Nishimura, T. and Tsukamoto, N. 2015. Electrical characterisation of ZnO microvaristor materials and compounds. Presented at: 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Ann Arbor, MI, USA, 18-21 Oct. 2015. Electrical Insulation and Dielectric Phenomena (CEIDP), 2015 IEEE Conference on. Electrical Insulation and Dielectric Phenomena (CEIDP), 2015 IEEE Conference on. IEEE, pp. 688-692.

Jamoshid, Noor Shahida, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Mitchard, Daniel 2015. Modelling the deflection of carbon fibre reinforced polymer materials under lightning strikes. Presented at: [International Conference on Lightning & Static Electricity (ICOLSE 2015), Toulouse, 9-11 September 2015. International Conference on Lightning & Static Electricity (ICOLSE 2015). , vol.6 p. 42. 10.1049/ic.2015.0189

Chen, L., Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Tateyama, C., Kumada, A., Griffiths, Huw, Hidaka, K. and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2015. Breakdown characteristics of CF3I/CO2 gas mixtures under fast impulse in rod-plane and GIS geometries. Presented at: The 19th International Symposium on High Voltage Engineering, Czech Republic, 28 August 2015.

Mousa, S., Harid, N., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. Experimental investigation of high frequency and transient performance of earth rod systems. Electric Power Systems Research 113 , pp. 196-203. 10.1016/j.epsr.2014.03.024

El-Mghairbi, A, Griffiths, Huw, Harid, N and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. Comparative assessment of enhancements to wind turbine earthing systems. IEEJ Transactions on Power and Energy 134 (7) , pp. 562-567. 10.1541/ieejpes.134.562

Clark, D. ORCID: https://orcid.org/0000-0002-1090-2361, Guo, Dongsheng, Lathi, D., Harid, N. ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, H., Ainsley, Alan and Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 2014. Controlled large-scale tests of practical grounding electrodes--part II: comparison of analytical and numerical predictions with experimental results. IEEE Transactions on Power Delivery 29 (3) , pp. 1240-1248. 10.1109/TPWRD.2014.2298358

Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2014. Fault location on branched networks using a multiended approach. IEEE Transactions on Power Delivery 29 (4) , pp. 1955-1963. 10.1109/TPWRD.2014.2302137

Guo, Dongsheng, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Lathi, Deepak Kamlakar, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Ainsley, Alan and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. Controlled large-scale tests of practical grounding electrodes--part I: test facility and measurement of site parameters. IEEE Transactions on Power Delivery 29 (3) , pp. 1231-1239. 10.1109/TPWRD.2013.2284261

Albano, M. ORCID: https://orcid.org/0000-0002-5486-4299, Charalampidis, P., Waters, R. T., Griffiths, H. and Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 2014. Silicone rubber insulators for polluted environments part 2: textured insulators. IEEE Transactions on Dielectrics and Electrical Insulation 21 (2) , pp. 749-757. 10.1109/TDEI.2013.004016

Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2014. An integrated device for optimised power line communication and measurement on smart grids. Presented at: T&D conference and exposition, Chicago, Il, 14-17 April 2014. T&D Conference and Exposition, 2014 IEEE PES. IEEE, pp. 505-509. 10.1109/TDC.2014.6863309

Charalampidis, P., Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Waters, Ronald T. 2014. Silicone rubber insulators for polluted environments part 1: enhanced artificial pollution tests. IEEE Transactions on Dielectrics and Electrical Insulation 21 (2) , pp. 740-748. 10.1109/TDEI.2013.004015

Sarathi, R., Harsha, V. Sri, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. Understanding water droplet initiated discharges on epoxy nanocomposites under harmonic AC voltages adopting UHF technique. IEEE Transactions on Dielectrics and Electrical Insulation 21 (2) , pp. 918-925. 10.1109/TDEI.2013.004378

Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Mousa, Salah, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. Lightning performance analysis of different length rod ground electrodes. Presented at: GROUND2014: International Conference on Grounding and Earthing & 6th International Conference on Lightning Physics and Effects, Manaus, Brazil, 12-16 May 2014.

Elzowawi, Alseddig, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2014. Visualization of electric discharge in porous materials. Presented at: ICHVE conference, Poznan, Poland, 8-11 September 2014.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Mousa, Salah, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. Impulse characterization of ground electrodes. Presented at: 32nd International Conference on Lightning Protection (ICLP), Shanghai, China, 13-17 October 2014.

Griffiths, Huw, Van De Linde, F., Uliah, N., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Harid, N. 2014. High frequency and impulse earthing for surge arresters. International conference on lightning protection (ICLP) , pp. 1454-1459. 10.1109/ICLP.2014.6973359

Chen, L., Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Elnaddab, K. H., Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2014. CF3I gas and its mixtures: potential for electrical insulation. Presented at: Cigre Session 45, Paris, 24-29 August 2014.

El Mghairbi, Ahmed, Ahmeda, Mohammad, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2013. Technique to increase the effective length of practical earth electrodes: simulation and field test results. Electric Power Systems Research 94 , pp. 99-105. 10.1016/j.epsr.2012.04.015

Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Guo, Dongsheng 2013. Wireless measurement system for a large-scale grounding electrode test facility. Presented at: 48th Power Engineering Conference (UPEC), Dublin, Ireland, 2-5 Sept 2013. Power Engineering Conference (UPEC), 2013 48th International Universities'. Picastaway, NJ: IEEE, pp. 1-4. 10.1109/UPEC.2013.6714998

Abid, Rabia, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Cole, Matt and Evans, Simon 2013. Electrical characterization of aerospace graded carbon fiber reinforced plastic composites under low current DC and impulse energizations. Presented at: ICOLSE 2013 - International Conference on Lightning and Static Electricity, Seattle, WA, 18-20 September, 2013. Proceedings of the 2013 International Conference on Lightning and Static Electricity: ICOLSE,

Dimopoulos, Athanasios, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Ainsley, A., Guo, D. and Mpofu, G. 2012. Proposal for Probabilistic Risk Assessment in Grounding Systems and Its Application to Transmission Substations. IEEE Transactions on Power Delivery 27 (4) , pp. 2219-2226. 10.1109/TPWRD.2012.2204440

Dimopoulos, Athanasios, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Ainsley, A. and Mpofu, G. 2012. Probability Surface Distributions for Application in Grounding Safety Assessment. IEEE Transactions on Power Delivery 27 (4) , pp. 1928-1936. 10.1109/TPWRD.2012.2204442

Abd Rahman, Rahisham, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Griffiths, Huw 2012. Stress Control on Polymeric Outdoor Insulators Using Zinc Oxide Microvaristor Composites. IEEE Transactions on Dielectrics and Electrical Insulation 19 (2) , pp. 705-713. 10.1109/TDEI.2012.6180266

Bell, K. R. W., Fenton, B., Griffiths, Huw, Pal, B. C. and McDonald, J. R. 2012. Attracting Graduates to Power Engineering in the U.K.: Successful University and Industry Collaboration. IEEE Transactions on Power Systems 27 (1) , pp. 450-457. 10.1109/TPWRS.2011.2163323

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Ullah, Niamat, Ahmeda, Mohammad and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2012. Experimental Investigation of Impulse Characteristics of Transmission Line Tower Footings. Journal of Lightning Research 4 (S1) , pp. 36-44. 10.2174/1652803401204010036

Alali, Dawood, Griffiths, Huw, Cipcigan, Liana ORCID: https://orcid.org/0000-0002-5015-3334 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2012. Steady-state security assessment for transmission systems and its application to the Dubai network. Presented at: Universities Power Engineering Conference (UPEC), London, UK, 4-7 September 2012. 2012 47th International Universities Power Engineering Conference (UPEC). Piscataway, New Jersey: Institute of Electrical and Electronics Engineers, pp. 1-6. 10.1109/UPEC.2012.6398548

Waters, Ronald T., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Charalampidis, Panagiotis and Sarkar, Partha 2011. Dry-band discharges on polluted silicone rubber insulation: control and characterization. IEEE Transactions on Dielectrics and Electrical Insulation 18 (6) , pp. 1995-2003. 10.1109/TDEI.2011.6118637

Ahmeda, Mohammad, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2011. Earth surface potential in the vicinity of transmission tower under low frequency and transient currents. Presented at: XVII International Symposium on High Voltage Engineering, Hannover, Germany, 22-26 August 2011.

King, R., Moore, F., Jenkins, Nicholas ORCID: https://orcid.org/0000-0003-3082-6260, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Osborne, M. 2011. Switching transients in offshore wind farms - impact on the offshore and onshore networks. Presented at: International Conference on Power Systems Transients (IPST2011), Delft, Netherlands,

Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Coventry, P. 2011. Performance of compact air insulated substations under surge conditions. Presented at: 17th International Symposium on High Voltage Engineering (ISH 2011), Hannover, Germany, 22-26 August 2011. Published in: Gockenbach, Ernst, Eichler, Christian, Mohsen, Farahani, Fischer, Markus, Gratz, Olaf, Pham, Khoi and Zhang, Xiang eds. Book of abstract / ISH 2011. Berlin: VDE-Verl,

Charalampidis, Panagiotis, Waters, Ronald T., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Sarkar, P. 2011. Material tests for textured silicone rubber insulators. Presented at: International Symposium on High Voltage Engineering 17, 2011 Hannover, Hannover, Germany, 22-26 August 2011. Published in: Gockenbach, Ernst, Eichler, Christian, Mohsen, Farahani, Fischer, Markus, Gratz, Olaf, Pham, Khoi and Zhang, Xiang eds. Book of abstract / ISH 2011 August, 22 - 26, 2011, Hannover, Germany. Berlin: VDE-Verl,

Crespo-Sandova, Milka Jackeline, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Coventry, P. F. 2010. Rate of energy absorption as indicator for the tracking/erosion test of silicone rubber. IEEE Transactions on Dielectrics and Electrical Insulation (TDEI) 17 (6) , pp. 1772-1780. 10.1109/TDEI.2010.5658228

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Ahmeda, Mohammad and Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 2010. Experimental investigation of the impulse characteristics of practical ground electrode systems. Presented at: 2010 International Conference on High Voltage Engineering and Application (ICHVE), New Orleans, LA, USA, 11-14 October 2010. Proceedings of the 2010 International Conference on High Voltage Engineering and Application (ICHVE). Piscataway, NJ: IEEE, pp. 469-472. 10.1109/ICHVE.2010.5640724

Griffiths, Huw, Jones, P., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2010. Proposal for measurement of earth impedance using variable frequency injection. IOP Measurement Science and Technology 21 (8) , 085102. 10.1088/0957-0233/21/8/085102

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Waters, Ronald T., Griffiths, Huw, Chrzan, Krystian, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Sarkar, Partha and Charalampidis, Panagiotis 2010. A new approach to anti-fog design for polymeric insulators. IEEE Transactions on Dielectrics and Electrical Insulation (TDEI) 17 (2) , pp. 343-350. 10.1109/TDEI.2010.5448087

Waters, Ronald T., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Sarkar, Partha 2010. Partial-arc and spark models of the flashover of lightly polluted insulators. IEEE Transactions on Dielectrics and Electrical Insulation (TDEI) 17 (2) , pp. 417-424. 10.1109/TDEI.2010.5448096

Sarkar, Partha, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Waters, Ronald T., Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Charalampidis, Panagiotis 2010. Inclined-plane tests of textured silicone rubber samples. Presented at: International Conference on High Voltage Engineering and Application, New Orleans, LA, USA, 11-14 October 2010. 2010 International Conference on High Voltage Engineering and Application (ICHVE 2010). New York: IEEE, pp. 532-535. 10.1109/ICHVE.2010.5640708

Guo, Dongsheng, Lathi, Deepak, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainsley, A. 2010. Experimental investigation into the performance of large-scale earthing electrodes. Presented at: 2010 International Conference on High Voltage Engineering and Application (ICHVE), New Orleans, LA, USA, 11-14 October 2010. Proceedings of the 2010 International Conference on High Voltage Engineering and Application (ICHVE). Los Alamitos, CA: IEEE, pp. 465-468. 10.1109/ICHVE.2010.5640727

Bhattarai, R., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 2010. Voltage uprating of overhead transmission lines. Presented at: 45th International Universities Power Engineering Conference, Cardiff, UK, 31 August - 3 September 2010. 2010 45th International Universities Power Engineering Conference (UPEC 2010). London: Institute of Electrical and Electronics Engineers (IEEE), pp. 348-353.

Venkatesan, S., Bhattarai, R., Osborne, M., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 2010. A case study on voltage uprating of overhead lines - air clearance requirements. Presented at: 45th International Universities Power Engineering Conference, Cardiff, UK, 31 August- 3 September 2010. 2010 45th International Universities Power Engineering Conference (UPEC 2010). London: Institute of Electrical and Electronic Engineers (IEEE), pp. 343-347.

Charalampidis, Panagiotis, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Waters, Ronald T., Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Sarkar, P. 2010. Five-electrode inclined plane tests of textured silicone rubber samples. Presented at: 45th International Universities Power Engineering Conference, Cardiff, UK, 31 August-3 September 2010. 2010 45th International Universities Power Engineering Conference (UPEC 2010). Institute of Electrical and Electronics Engineers (IEEE), pp. 311-315.

El Mghairbi, Ahmed, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2010. A new method to increase the effective length of horizontal earth electrodes. Presented at: 45th International Universities Power Engineering Conference, Cardiff, UK, 31 August - 3 September 2010. 2010 45th International Universities Power Engineering Conference (UPEC 2010). London: Institute of Electrical and Electronics Engineers (IEEE), pp. 802-805.

Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2010. Narrowband power line communications: channel characteristics and modulation. Presented at: 4th International Universities Power Engineering Conference, Cardiff, UK, 31 August - 3 September 2010. 2010 45th International Universities Power Engineering Conference (UPEC 2010). London: Institute of Electrical and Electronics Engineers (IEEE), pp. 1310-1315.

Robson, Stephen ORCID: https://orcid.org/0000-0003-3156-1487, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2010. Simulation of power line communication using ATP-EMTP and MATLAB. Presented at: IEEE PES Conference on Innovative Smart Grid Technologies Europe, Gothenburg, Sweden, 11-13 October 2010. IEEE PES Conference on Innovative Smart Grid Technologies Europe (ISGT Europe 2010). Piscataway, N.J: Institute of Electrical and Electronics Engineers, pp. 92-99. 10.1109/ISGTEUROPE.2010.5638862

Ahmeda, M., Ullah, N., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2009. Current and voltage distribution in a horizontal earth electrode under impulse conditions. Presented at: Proceedings of the 44th International Universities Power Engineering Conference, Glasgow, UK,

Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Coventry, P. 2009. Electric and magnetic fields in 400kV compact substations. Presented at: 16th International Symposium on High Voltage Engineering ISH2009,, Cape Town, South Africa, 24-28 August 2009. (B-11) pp. 404-409.

Elmghairbi, A., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2009. Potential rise and safety voltages of wind turbine earthing systems under transient conditions. Presented at: Proceedings of 20th International Conference and Exhibition on Electricity Distribution (CIRED 2009), Prague, Czech Republic, (937) 10.1049/cp.2009.1083

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Ullah, N., Ahmeda, M., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and A., Ainsley 2009. Experimental evaluation of potential rise and step and touch voltages at high voltage towers under lightning impulses. Presented at: Proceedings of 16th International Symposium on High Voltage Engineering ISH2009, Cape Town, South Africa, (G-2) pp. 1651-1656.

Bell, K. R. W., Fenton, W., Griffiths, Huw, McDonald, J. R. and Pal, B. C. 2009. The Power Academy in the UK: A successful initiative to attract graduates to the power industry. Presented at: Power and Energy Society General Meeting (PES '09), , vol.IEEE 2

Bhattarai, R., Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2009. Calculation of energy stress on surge arresters in 275kV transmission lines. Presented at: 16th International Symposium on High-Voltage Engineering, Cape Town, South Africa, (G-11)

Bhattarai, R., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2009. Application of surge arresters for lightening protection of 33kW wood pole distribution lines. Presented at: 20th International Conference on Electricity Distribution (CIRED), Prague, Czech Republic, (947)

Bogias, A.C., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2009. Wireless monitoring system for high-voltage substations. Presented at: Proceedings of the 16th International Symposium on High-Voltage Engineering, Cape Town, South Africa, (D32)

Clark, D., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2009. Switching transient analysis of small distributed generators in low voltage networks. Presented at: Proceedings of 20th International Conference and Exhibition on Electricity Distribution (CIRED 2009), Prague, (975)

Clark, D., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2009. Switching transisent analysis of microgenerators in low-voltage networks. Presented at: North American Power Symposium (NAPS2009), Mississippi State University,, Mississippi, USA,

Robson, S., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2009. Monitoring system for overhead lines using communications through power lines. Presented at: 2nd Universities High Voltage Network (UHVNet), Colloquium on High Voltage Measurement and Insulation Research, Glasgow, UK,

Robson, S., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2009. Simulation of narrowband power line commuication using ATP-EMTP. Presented at: North American Power Symposium (NAPS2009), Starkville, USA, (2124)

Ullah, Niamat, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainsley, A. 2009. Practical evaluation of voltage rise and prospective step and touch voltages at high voltage towers under lightening surges. Presented at: Proceedings of the 16th International Symposium on High-Voltage Engineering, Cape Town, South Africa, (G-2)

Venkatesan, Sangeetha, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299 2009. Reducing air clearance requirements for voltage uprating of overhead line by use of line surge arresters. Presented at: IEEE Conference on Electrical Insulation and Dielectric Phenomena, Virginia Beach, USA, (8)

Venkatesan, Sangeetha, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299 2009. Reducing air clearance requirements for voltage uprating of overhead line by use of line surge arresters. Presented at: 2009 annual report Conference on Electrical Insulation and Dielectric Phenomena, Virginia Beach, VA, USA, 18-21 October 2009. IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2009. CEIDP '09. CEIDP: 2009 ANNUAL REPORT CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA. IEEE, pp. 224-229.

Ahmeda, Mohammad, Ullah, Niamat, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2009. Current and voltage distribution in a horizontal earth electrode under impulse conditions. Presented at: Universities Power Engineering Conference (UPEC), 2009: Proceedings of the 44th International, Glasgow, UK, 1-4 September 2009. International Universities Power Engineering Conference (UPEC): Proceedings of the 44th. Proceedings of the 44th international Universities Power Engineering Conference (UPEC). IEEE, pp. 707-710.

Guo, D., Lathi, Deepak, Harid, D., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainsley, A. 2009. Large-scale earthing test facilities at Dinorwig Power Station. Presented at: International Symposium on High Voltage Engineering, Cape Town, Cape Town, South Africa, 24-28 August 2009. Published in: Nixon, Kenneth John ed. Proceedings of the 16th International Symposium on High-Voltage Engineering, Cape Town, South Africa, 24-28 August 2009. IEEE South African Institute of Electrical Engineers, pp. 454-459.

Rashidin, R., Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2009. Uprating the electrical capacity of an existing transmission line - 275kV to 400kV. Presented at: 16th International Symposium on High-Voltage Engineering, Cape Town, South Africa, 24-28 August 2009. Published in: Dixon, Kenneth John ed. Proceedings of the 16th International Symposium on High-Voltage Engineering, Cape Town, South Africa, August 24 - 28. South African Institute of Electrical Engineers, pp. 797-802.

Waters, Ronald T., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Sarkar, Partha 2009. Dry-band breakdown of lightly polluted insulators. Presented at: 16th International Symposium on High Voltage Engineering, Cape Town, South Africa, 24-28 August 2009. Published in: Nixon, Kenneth John ed. Proceedings of the 16th International Symposium on High-Voltage Engineering ISH 2009, Cape Town, South Africa, August 24 - 28. South African Institute of Electrical Engineers, pp. 1460-1465.

Bogias, C., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2009. Wireless data acquisition systems for high-voltage substations. Presented at: 16th International Symposium on High Voltage Engineering ISH2009,, Cape Town, South Africa, 24-28 August 2009. Proceedings of the 16th International Symposium on High Voltage Engineering. Johannesburg: South African Institute of Electrical Engineers, pp. 1014-1018.

Clark, David ORCID: https://orcid.org/0000-0002-1090-2361, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Schulz, N. N. 2009. Analysis of switching transients in domestic installations with grid-tied microgeneration. Presented at: North American Power Symposium (NAPS2009), Starkville, USA, 4 - 6 October 2009. Proceedings of the North American Power Symposium (NAPS), 2009. Starkville, MS: IEEE, pp. 1-6. 10.1109/NAPS.2009.5484013

Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Coventry, P. 2008. Air insulated compact substations. Presented at: UPEC 2008 : 43rd International Universities Power Engineering Conference, Padova, Italy, 1-4 September 2008. Proceedings of the 43rd International Universities Power Engineering Conference, 2008. UPEC 2008. Universities Power Engineering Conference, 2008. UPEC 2008. 43rd International. IEEE, pp. 1-4. 10.1109/UPEC.2008.4651626

Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Coventry, P. 2008. Air insulated compact substations. Presented at: Proceedings of 43rd International Universities Power Engineering Conference (IUEPC), Padova, Italy, (414)

Guo, D., Lathi, D., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and A., Ainsley 2008. Large-scale earthing test facilities at Dinorwig Power Station. Presented at: 2nd International Conference on Monitoring and Diagnostics (CMD2008), Beijing, China, pp. 808-811. 10.1109/CMD.2008.4580407

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and M., Osborne 2008. Performance of parallel surge arresters. Presented at: Proceedings of CIGRE International Colloquium on Application of Line Surge Arresters in Power Distribution and Transmission Systems, Cavtat, Croatia, (25)

Petrov, N. I., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Petrova, G. N. and Waters, R. T. 2008. Lightning strikes to aircraft radome: simulation models and laboratory tests. Presented at: Proceedings of 29th International Conference on Lightening Protection (ICLP2008), Uppsala, Sweden, (9a-05) 9.9.1-9.9.11.

Petrov, N. I., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Waters, R. T. 2008. Lightning strikes to aircraft radome: electric field shielding simulation. Presented at: Proceedings of the 17th International Conference on Gas Discharges and their Applications, Cardiff, UK, pp. 513-516.

Bhattarai, R., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Rashedin, R. and S, Venkatesan 2008. Comparative study of lightning performance of 275 kV transmission line using Tflash and Sigma-slp. Presented at: 43rd International Universities Power Engineering Conference (IUPEC2008), Padova, Italy,

Bhattarai, R., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Rashedin, R. and Venkatesan, S. 2008. Lightning performance of 275kV transmission lines. Presented at: 43rd International Universities Power Engineering Conference (IUEPC2008), Padova, Italy, (138) 01-Apr.

Bhattarai, Roshan, Rashedin, Razib, Venkatesan, Sangeetha, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 2008. Lightning performance of 275 kV transmission lines. Presented at: 43rd International Universities Power Engineering Conference (IUPEC 2008), Padova, Italy, 1-4 September 2008. 43rd International Universities Power Engineering Conference, 2008. UPEC 2008. 2008 PROCEEDINGS OF THE 43RD INTERNATIONAL UNIVERSITIES POWER ENGINEERING CONFERENCE, VOLS 1-3. Piscataway, N.J.: IEEE, pp. 983-987.

Guo, D., Hauser-Ehninger, U., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Ainsley, A., Ainslie, F. and D., Frame 2007. A technique for the continuous condition monitoring of substation earthing systems. Presented at: Proceedings of the 15th International Symposium on High Voltage Engineering, Ljubljana, Slovenia, (T2-445) pp. 1-6.

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Chrzan, K., Griffiths, Huw and RT., Waters 2007. A new approach to anti-fog design for polymeric insulators. Presented at: Proceedings of the 15th International Symposium on High Voltage Engineering, Ljubljana, Slovenia, (T2446) pp. 1-6.

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and RT., Waters 2007. Principles of anti-fog design for polymeric insulators. Presented at: IEEE International Conference on Solid Dielectrics (ISCD '07), Winchester, UK, pp. 302-305.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2007. Computation model for ground potential and current distribution in ground impedance measurements at high-voltage towers. Presented at: 42nd International Universities Power Engineering Conference IUEPC2007, Brighton, UK, pp. 806-811.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and A., Ainsley 2007. Factors affecting impedence measurement of transmission line earthing systems. Presented at: Proceedings of the 15th International Symposium on High Voltage Engineering, Ljubljana, Slovenia, (T2-444) pp. 1-6.

Bendjamin, J., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Ainsley, A. 2007. High-magnitude current impulse tests on a 275kV transmission tower base. Presented at: Proceedings of the XVth International Symposium on High Voltage Engineering, Ljubljana, Slovenia, (T2-443)

Ullah, Niamat, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainsley, A. 2007. Current distribution on tower lines under fault and surge conditions. Presented at: 42nd International Universities Power Engineering Conference (IUEPC2007), Brighton, UK, pp. 812-817.

Ullah, Niamat, Griffiths, Huw, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainsley, A. 2007. Current distribution on tower lines under fault and surge conditions. Presented at: 42nd International Universities Power Engineering Conference (IUEPC2007), Brighton, UK, 42nd International Universities Power Engineering Conference. 2007 42nd International Universities Power Engineering Conference, Vols 1-3. , vol.1-3 IEEE, pp. 812-817.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2007. Computation model for ground potential and current distribution in ground impedance measurements at high-voltage towers. Presented at: 42nd Universities Power Engineering Conference, Brighton, UK., 4-6 September 2007. Universities Power Engineering Conference, 2007. UPEC 2007. 42nd International. 2007 42nd International Universities Power Engineering Conference, Vols 1-3. , vol.1-3 IEEE, pp. 806-811.

Guo, D., Lathi, Deepak, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, A and Ainsley, A. 2007. Large-scale earthing test facilities at Dinorwig power station. Presented at: International Conference on Condition Monitoring and Diagnosis (CMD 2008), Beijing, China, 21-24 April 2008. International Conference on Condition Monitoring and Diagnosis, 2008. CMD 2008. PROCEEDINGS OF 2008 INTERNATIONAL CONFERENCE ON CONDITION MONITORING AND DIAGNOSIS. IEEE, pp. 808-811.

Nor, N. Mohamad, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2006. Performance of earthing systems of low resistivity soils. IEEE Transactions on Power Delivery 21 (4) , pp. 2039-2047. 10.1109/TPWRD.2006.874656

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2006. A new frequency-dependent surge impedance calculation method for high-voltage towers. IEEE Transactions on Power Delivery 21 (3) , pp. 1430-1437. 10.1109/TPWRD.2005.864066

Nor, N. Mohamad, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2006. Characterisation of ionization phenomena in soils under fast impulses. IEEE Transactions on Power Delivery 21 (1) , pp. 353-361. 10.1109/TPWRD.2005.852352

Albano, Maurizio ORCID: https://orcid.org/0000-0002-5486-4299, Turri, R., Dessanti, S., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Howat, B. 2006. Computation of the electromagnetic coupling of parallel untransposed power lines. Presented at: 41st International Universities Power Engineering Conference, Session TAT4c., Newcastle, UK, pp. 17-21.

Dimopoulos, A., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Ainslie, A. F. and Frame, D. 2006. Parametric analysis of safety limit-curves in earthing systems and comparison of international standard recommendations. Presented at: 41st International Universities Power Engineering Conference, Session (WPT4b)., Newcastle, UK, pp. 13-17.

Griffiths, Huw, Guo, D., Zhao, H., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Ainsley, A., Ainsley, F. and D., Frame 2006. Error minimisation in step and touch voltage measurements at electrical substations. Presented at: International Conference on Grounding and Earthing & 2nd International Conference on Lightning Physics and Effects, Maceió, Brazil,

Griffiths, Huw, Jones, P., Tomlin, D., Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2006. Proposal for measurement of earth impedance at high voltage electricity installations using variable frequency injection. Presented at: International Conference on Grounding and Earthing & 2nd International Conference on Lightning Physics and Effects, Maceió, Brazil,

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2006. A new method for the measurement of tower earth impedance. Presented at: International Conference on Grounding and Earthing & 2nd International Conference on Lightning Physics and Effects, Maceió, Brazil,

Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainslie, A. 2006. Effect of earth wire connections on hazard limitation at, often frequented, towers. Presented at: 41st International Universities Power Engineering Conference, Newcastle-Upon-Tyne, UK, Institute of Electrical and Electronics Engineers (IEEE), pp. 13-17.

Zhao, Huiliang, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Ainsley, A. 2005. Safety limit-curves for earthing system designs: appraisal of standard recommendations. IEE Proceedings - Generation, Transmission and Distribution 152 (6) , pp. 871-879. 10.1049/ip-gtd:20050007

Nor, N. Mohamad, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2005. Determination of threshold electric field EC of soil under high impulse currents. IEEE Transactions on Power Delivery 20 (3) , pp. 2108-2113. 10.1109/TPWRD.2005.848761

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2005. Monitoring of earthing systems. Presented at: 1st Universities' High Voltage network (UHVnet) Colloquium, Cardiff, UK, (13)

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2005. A new approach for the calculation of tower surge impedance using a hybrid field-transmission line technique. Presented at: 14th International Symposium on High Voltage Engineering, Beijing, China, , vol.B-03 pp. 1-6.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2005. Practical issues with the measurement of earth impedance at transmission tower bases. Presented at: 14th International Symposium on High Voltage Engineering, Beijing, China, , vol.B-13 pp. 1-6.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2005. Effect of remote current electrode on tower impedance measurement. Presented at: 40th International Universities Power Engineering Conference, Cork, Ireland, , vol.WP2 pp. 5-8.

Hauser-Ehninger, U., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2005. Characteristion of earth electrodes using power consumption methods. Presented at: 40th International Universities Power Engineering Conference 2005, Cork, Ireland, , vol.WP2 pp. 9-11.

Crespo-Sandoval, J., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2005. AI monitoring of insulation systems. Presented at: 1st Universities' High Voltage network (UHVnet) Colloquium, Cardiff University, January 2005, Cardiff, UK, (11)

Crespo-Sandoval, J., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw and Coventry, P. F. 2005. Indicators for monitoring ageing of silicone rubber materials. Presented at: 14th International Symposium on High Voltage Engineering(ISH), Vol. H Beijing (China), August 2005, Beijing, China, , vol.H

Zhao, H., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Ainsley, A., Ainsley, F. and Frame, D. 2005. Error in step and touch voltage measurements at large substations. Presented at: 14th International Symposium on High Voltage Engineering (ISH), Beijing, China, , vol.B

Zhao, H., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Ainsley, A., Ainsley, F. and Frame, D. 2005. Effect of the auxiliary electrode location on measured potential profiles at large substations. Presented at: 14th International Symposium on High Voltage Engineering(ISH), Beijing, China, , vol.B

Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895 2004. Characterisation of earthing systems under high frequency and transient conditions. Presented at: 39th International Universities Power Engineering Conference, Bristol, UK,

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Edgington, C. and Griffiths, Huw 2004. Effect of distance on surge arrester protection: comparison of recommended practice. Presented at: 27th International conference on lightning protection, Avignon, France,

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2004. Energy absorption of parallel arresters. Presented at: Invited Presentation at IEC TC37 MT10 Meeting, Stockholm, Sweden,

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Zanini, A., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2004. Characterisation of tower base earthing systems under impulse conditions. Presented at: 27th International Conference on Lightning Protection, Avignon, France,

Hauser- Ehninger, U., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2004. A new approach to accurate frequency extraction from noisy signals. Presented at: 39th International Universities Power Engineering Conference, Bristol, UK,

Hauser-Ehninger, U., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2004. A new approach to accurate frequency extraction from noisy signals. Presented at: 12th Workshop of High Voltage Engineering, Lübbenau, Germany,

Lazzari, D., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2004. Ground potential rise in GIS under fast transients. Presented at: 12th Workshop of High Voltage Engineering, Lubbenau/Spreewald, Germany,

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and K., Walker 2003. Issues associated with GSM installations on power line towers. Presented at: 13th International Symposium on High Voltage Engineering (ISH), Delft, Netherlands, 25-29 August 2003. Published in: Smit, J. J. ed. Proceedings of the XIIIth International Symposium on High Voltage Engineering. Rotterdam: Millpress, p. 520.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Walker, K. 2003. Soil resistivity mapping of non-homogeneous soils. Presented at: 13th International Symposium on High Voltage Engineering (ISH), Delft, Netherlands, 25-29 August 2003. Published in: Smit, J. J. ed. Proceedings of the XIIIth International Symposium on High Voltage Engineering. Rotterdam: Millpress, p. 554.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Walker, K. 2003. Monitoring of earthing system performance at transmission line tower bases. Presented at: 13th International Symposium on High Voltage Engineering (ISH), Delft, Netherlands, 25-29 August 2003. Published in: Smit, Johan J. ed. Proceedings of the XIIIth International Symposium on High Voltage Engineering. Rotterdam: Millpress, p. 553.

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Crespo-Sandoval, J., Rowlands, A. R., Griffiths, Huw and Williams, D. L. 2003. Techniques for monitoring outdoor polymeric insulators. Presented at: The 2nd International Conference on Insulation Condition Monitoring of Electrical Plants and 2003 Asian Conference on Electrical Insulation DiagnosisI (CMEP-ACEID), Chongqing, China,

Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Griffiths, Huw, Zedan, B. and Van Der Linde, F. 2003. The impulse response of earth grids. Presented at: 13th International Conference on High Voltage Engineering, Delft, Netherlands, , vol.1 pp. 119-123.

Md Nor, N., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Griffiths, Huw 2003. Factors affecting soil characteristics under fast transients. Presented at: International Conference on Power Systems Transients (IPST2003), New Orleans, USA, (05-Jul)

Crespo Sandoval, J., Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Rowlands, A. R., Griffiths, Huw and Williams, D. L. 2003. Artificial intellligence technique for monitoring degradation of outdoor polymeric insulators. Presented at: 13th International Symposium on High Voltage Engineering (ISH), Delft, The Netherlands, (0.15.0)

Griffiths, Huw, Zedan, B. and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2003. Frequency response of earthing systems. Presented at: 38th Universities Power Engineering Conference, Thessaloniki, Greece, 1-3 September 2003. Published in: Thessalonikes, Aristoteleio Panepistemio ed. 38th International Universities Power Engineering Conference : UPEC 2003, Thessaloniki 1st, 2nd and 3rd September 2003 : conference proceedings. , vol.2 Thessaloniki: Zephyr Publications, pp. 717-720.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Walker, K. 2003. Impulse response of transmission tower earthing systems. Presented at: 38th Universities Power Engineering Conference, Thessaloniki, Greece, 1-3 September 2003. Published in: Thessalonikes, Aristoteleio Panepistemio ed. 38th International Universities Power Engineering Conference : UPEC 2003, Thessaloniki 1st, 2nd and 3rd September 2003 : conference proceedings. , vol.2 Thessaloniki: Zephyr Publications, pp. 721-724.

Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2002. Earthing systems under lightning impulse conditions. Presented at: Lightning Protection – Standards and Practices 2002, Coventry, UK, (ERA Re) pp. 1-11.

Harid, Noureddine ORCID: https://orcid.org/0000-0001-8203-1895, Mghairbi, A., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2002. The effect of AC mutual coupling on earth impedance measurement of shielded transmission lines. Presented at: 37th International Universities Power Engineering Conference UPEC, Stafford, UK, pp. 822-826.

Srisakot, S., Md Nor, Noratiqah, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2002. Soil ionisation under fast surges. Presented at: XIV International Conference on Gas Discharges and their Applications, Liverpool, UK, September 2002, pp. 251-254.

Van Der Linde, F., Zedan, B., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2002. Impulse response of earth electrode systems. Presented at: 37th International Universities Power Engineering Conference (UPEC 2002), Stafford, UK, pp. 827-831.

Morris, Rhys J. ORCID: https://orcid.org/0000-0002-9210-1567, Griffiths, Huw and Woodcock, John Patrick 2002. Analysis of the operation of the SCD Response intermittent compression system. Journal of Medical Engineering & Technology 26 (3) , pp. 111-116. 10.1080/03091900210124413

Griffiths, Huw and Laver, J. A. 2001. The variability of soils in earthing measurements and earthing system performance. Revue des Energies Renouvelables; Revue Internationale (UNESCO) Special Issue, Power Engineering , pp. 57-61.

Griffiths, Huw and Davies, A. M 2001. Frequency performance of concentrated earthing systems. Presented at: 12th Institute Symposium on High Voltage Engineering, Indian Institute of Science, Bangalore, India, , vol.2

Md Nor, N., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2001. Impulse characteristics of low resistivity soils. Presented at: 36th Universities’ Power Engineering Conference (UPEC2001), Swansea, UK,

Mghairbi, A., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Jones, P., Sparrow, L. and Moore, J. 2001. The chain impedance of shielded transmission lines. Presented at: 36th Universities’ Power Engineering Conference (UPEC 2001), Swansea, Wales,

Srisakot, S., Dana, G., Md Nor, Noratiqah, Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2001. Effect of frequency on soil characteristics. Presented at: 36th Universities’ Power Engineering Conference, (UPEC 2001), Swansea, UK,

Srisakot, S., Griffiths, Huw and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2001. Soil ionisation modelling under fast impulse. Presented at: 36th Universities’ Power Engineering Conference (UPEC’2001), Swansea, UK,

Zedan, B., Griffiths, Huw, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146, Walker, K., Horne, C., Frame, D. and McDonald, N. 2001. The effect of grid mesh density on substation earth impedance. Presented at: 36th Universities’ Power Engineering Conference(UPEC’2001), Swansea, UK,