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Number of items: 22.

Hills, Meirion ORCID: https://orcid.org/0000-0003-3893-8486, Lugg-Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Stone, Christopher, Peretto, Nicolas ORCID: https://orcid.org/0000-0002-6893-602X, Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 and Mitchard, Daniel 2024. Spectroscopic measurements of light emissions from high current arcs. Presented at: Cardiff University Engineering Research Conference 2023, Cardiff, UK, 12-14 July 2023. Published in: Spezi, Emiliano and Bray, Michaela eds. Proceedings of the Cardiff University Engineering Research Conference 2023. Cardiff: Cardiff University Press, pp. 158-162. 10.18573/conf1.aj
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Lugg-Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Pearson, M and Anderson, Philip ORCID: https://orcid.org/0000-0001-6500-6583 2024. Acoustic noise emission detection and location analysis from a scaled laminated transformer. Presented at: Cardiff University Engineering Research Conference 2023, Cardiff, UK, 12-14 July 2023. Published in: Spezi, Emiliano and Bray, Michaela eds. Proceedings of the Cardiff University Engineering Research Conference 2023. Cardiff: Cardiff University Press, pp. 140-144. 10.18573/conf1.af
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Michelarakis, M. ORCID: https://orcid.org/0000-0003-2862-4539, Clark, D. ORCID: https://orcid.org/0000-0002-1090-2361, Widger, P. ORCID: https://orcid.org/0000-0002-0662-8590, Beroual, A., Waters, R.T. and Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 2022. Triple point surface discharge photography in atmospheric gases using Intensified high-speed camera system. IEEE Transactions on Dielectrics and Electrical Insulation 29 (1) , pp. 153-161. 10.1109/TDEI.2022.3148481
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Mitchard, D., Widger, P. ORCID: https://orcid.org/0000-0002-0662-8590 and Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 2021. Analysis of light emission and Schlieren from short gap high voltage streamers representing lightning impulses. Scientific Reports 11 (1) , 24324. 10.1038/s41598-021-03839-y
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Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Hills, Meirion ORCID: https://orcid.org/0000-0003-3893-8486 and Mitchard, Daniel 2020. Schlieren images of negative streamer and leader formations in CO2 and a CF3I-CO2 electronegative gas mixture. Applied Sciences 10 (22) , 8006. 10.3390/app10228006
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Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Carr, Daniel, Hills, Meirion ORCID: https://orcid.org/0000-0003-3893-8486 and Reid, Alistair ORCID: https://orcid.org/0000-0003-3058-9007 2020. A comparison of partial discharge sensors for natural gas insulated high voltage equipment. Sensors 20 (16) , 4443. 10.3390/s20164443
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Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Carr, Daniel, Reid, Alistair ORCID: https://orcid.org/0000-0003-3058-9007, Hills, Meirion ORCID: https://orcid.org/0000-0003-3893-8486, Stone, Chris and Haddad, A. (Manu) ORCID: https://orcid.org/0000-0003-4153-6146 2020. Partial discharge measurements in a high voltage gas insulated transmission line insulated with CO2. Energies 13 (11) , 2891. 10.3390/en13112891
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Michelarakis, Michail ORCID: https://orcid.org/0000-0003-2862-4539, Lugg-Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Beroual, Abderrahmane and Haddad, Abderrahmane (Manu) ORCID: https://orcid.org/0000-0003-4153-6146 2019. Electrical detection of creeping discharges over insulator surfaces in atmospheric gases under AC voltage application. Energies 12 (15) , 2970. 10.3390/en12152970
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Mitchard, D., Widger, P. ORCID: https://orcid.org/0000-0002-0662-8590, Clark, D. ORCID: https://orcid.org/0000-0002-1090-2361, Carr, D. and Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 2019. Optical emission spectra of high current and high voltage generated arcs representing lightning. Applied Physics Letters 114 (16) , 164103. 10.1063/1.5092875
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Lugg-Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2019. Analysis of gaseous by-products of CF3I and CF3I-CO2 after high voltage arcing using a GCMS. Molecules 24 (8) , 1599. 10.3390/molecules24081599
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Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2018. Evaluation of SF6 leakage from gas insulated equipment on electricity networks in Great Britain. Energies 11 (8) , 2037. 10.3390/en11082037
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Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Griffith, H. and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2018. Insulation strength of CF3I-CO2 gas mixtures as an alternative to SF6 in MV switch disconnectors. IEEE Transactions on Dielectrics and Electrical Insulation 25 (1) , pp. 330-338. 10.1109/TDEI.2018.006932
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Michelarakis, M. ORCID: https://orcid.org/0000-0003-2862-4539, Widger, P. ORCID: https://orcid.org/0000-0002-0662-8590, Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 and Beroual, A. 2018. Creeping discharge development over insulator surfaces in natural gases: Design and implementation of test procedure. Presented at: 2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE), Athens, Greece, 10-13 September 2018. 2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE). Piscataway, NJ: IEEE, 10.1109/ICHVE.2018.8642172

Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590 and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2017. Solid by-products of a CF3I-CO2 insulating gas mixtures on electrodes after lightning impulse breakdown. Journal of Physics Communications 1 (2) , 025010. 10.1088/2399-6528/aa8ab4
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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
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Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590 and Haddad, A ORCID: https://orcid.org/0000-0003-4153-6146 2017. Gaseous by-products of a CF3I-CO2 gas mixture under lightning impulse and AC breakdowns. Presented at: 20th International Symposium on high voltage engineering (ISH 2017), Buenos Aires, Argentina, 28th Aug - 01 Sept 2017.

Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590, Chen, L and Haddad, Abderrahmane ORCID: https://orcid.org/0000-0003-4153-6146 2016. Deposited by-products of CF3I-CO2 gas mixtures after lightning impulse flashover. Presented at: 51st International Universities Power Engineering Conference (UPEC), Coimbra, Portugal, 6-9 Sept 2016. 2016 51st International Universities Power Engineering Conference (UPEC). , vol.51 IEEE Xplore, pp. 1-5. 10.1109/UPEC.2016.8114031

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
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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

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.

Widger, Phillip ORCID: https://orcid.org/0000-0002-0662-8590 2014. Investigation into CF3I-CO2 gas mixtures for insulation of gas-insulated distribution equipment. PhD Thesis, Cardiff University.
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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.

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