H.A. Illias, G. Chen, and P.L. Lewin, "The influence of spherical cavity surface charge distribution on the sequence of partial discharge events," Journal of Physics D: Applied Physics, vol.44, no.24, pp. 1-15, June 2011. (ISI-Cited Publication) |
H.A. Illias, G. Chen, and P.L. Lewin, "Partial Discharge Behaviour within a Spherical Cavity in a Solid Dielectric Material as a Function of Frequency and Amplitude of the Applied Voltage," IEEE Transactions on Dielectrics and Electrical Insulation, vol.18, no.2, pp.432-443, April 2011 (ISI-Cited Publication) |
H.A. Illias, G. Chen, and P.L. Lewin, "Modeling of partial discharge activity in spherical cavities within a dielectric material," IEEE Electrical Insulation Magazine, vol.27, no.1, pp.38-45, January 2011 (ISI-Cited Publication) |
H.A. Illias, A.H.A. Bakar, H. Mokhlis, S.A. Halim, "Calculation of inductance and capacitance in power system transmission lines using finite element analysis method," Przegląd Elektrotechniczny, vol. 88, pp. 278-283, October 2012. |
H.A. Illias, G. Chen, and P.L. Lewin, "Partial Discharge within a Spherical Cavity in a Dielectric Material as a Function of Cavity Size and Material Temperature," IET Science, Measurement and Technology, vol. 6, no. 2, pp. 52-62, 2012. (ISI-Cited Publication) |
A. H. A. Bakar, H. Mokhlis, H. Illias and D.N.A. Talib, Lightning Back Flashover Double Circuit Tripping Pattern of 132kV Lines in Malaysia, International Journal of Electrical Power and Energy Systems, Vol. 45, pp. 235-241, 2013. (ISI-Cited Publication) |
A.H.A. Bakar, H. Moklis, M.K. Othaman and H.A. Illias, Identification of Failure Root Causes using conditioned based monitoring data on a 33 kV Switchgear, International Journal of Electrical Power and Energy Systems, vol. 47, pp. 305-312, 2013. (ISI-Cited Publication) |
H. A. Illias, G. Chen, A. H. A. Bakar, H. Mokhlis, and M. A. Tunio, "Partial discharges within two spherical voids in an epoxy resin," Journal of Physics D: Applied Physics, vol. 46, pp. 1-10, 2013. (ISI-Cited Publication) |
H.A. Illias, A.H.A. Bakar, H. Mokhlis, M.A. Tunio and G. Chen, "Partial discharge behaviours within a void-dielectric system under square waveform applied voltage stress," IET Science, Measurement and Technology, vol. 6(2), 2013, p. 52 - 62 (ISI-Cited Publication) |
H. A. Illias, X. R. Chai, A. H. A. Bakar, and H. Mokhlis, "Transformer incipient fault prediction using combined artificial neural network and various particle swarm optimisation techniques," Plos One, vol.10, no.6, pp.1-16, 2015. (ISI-Cited Publication) DOI:10.1371/journal.pone.0129363 |
J. K. Wong, H. A. Illias, A. H. A. Bakar, and H. Mokhlis, "Partial Discharge Classifications: Review of Recent Progress," Measurement, vol. 68, pp. 164 181, March 2015. (ISI-Cited Publication) |
H. A. Illias, M. A. Tunio, G. Chen, A. H. A. Bakar, and H. Mokhlis, "Experiment and Modelling of Void Discharges Within Dielectric Insulation Material Under Impulse Voltage," IEEE Transactions on Dielectrics and Electrical Insulation, vol. 22, no. 4, pp. 2252-2260, August 2015. (ISI-Cited Publication) |
H. A. Illias, S.A. Halim, A. H. A. Bakar, and H. Mokhlis, "Determination of surge arrester discharge energy using finite element analysis method," IET Science, Measurement & Technology, vol.9, no.6, pp. 693-701, 2015. (ISI-Cited Publication) |
H. A. Illias, M. A. Tunio, G. Chen, A. H. A. Bakar, and H. Mokhlis, "Determination of Partial Discharge Time Lag in Void using Physical Model Approach," IEEE Transactions on Dielectrics and Electrical Insulation, vol.22, no.1, pp. 463-471, February 2015. (ISI-Cited Publication) |
A.A. Masud, R. Albarracin, J.A. Ardila-Rey, F.M.Sukki, H.A. Illias, N.A. Bani, A.B. Munir, "Artificial neural network application for partial discharge recognition: Survey and future directions," Energies, vol.9 , no.8, pp.1-18, 2016. (ISI-Cited Publication) |
H. A. Illias, X. R. Chai and A. H. A. Bakar, "Hybrid modified evolutionary particle swarm optimisation-time varying acceleration coefficient-artificial neural network for power transformer fault diagnosis," Measurement, vol.90, pp.94-102, August 2016. (ISI-Cited Publication) |
H. A. Illias, M. A. Tunio, A. H. A. Bakar, H. Mokhlis and G. Chen, "Partial Discharge Phenomena within an Artificial Void in Cable Insulation Geometry: Experimental Validation and Simulation," IEEE Transactions on Dielectrics and Electrical Insulation, vol.23, no.1, pp.451-459, February 2016. (ISI-Cited Publication) |
S.A. Halim, A. H. A. Bakar, H. A. Illias, N.H.N. Hassan, H. Mokhlis and V. Terzija, "Lightning Backflashover Tripping Patterns on a 275/132 kV Quadruple Circuit Transmission Line in Malaysia," IET Science, Measurement & Technology, pp. 1-11, March 2016. (ISI-Cited Publication) |
A.H.A. Bakar, A.Z. Abidin, H.A. Illias, H. Mokhlis, S.A. Halim, N.H.N. Hassan, C.K. Tan, “Determination of striking distance of lightning rod using Finite Element Analysis,” Turkish Journal of Electrical Engineering and Computer Sciences, vol. 24, pp. 4063-4097, February 2016. (ISI-Cited Publication) |
S. Z. Dabbak, H. A. Illias and B. C. Ang, "Effect of surface discharges on different polymer dielectric materials under high field stress," IEEE Transactions on Dielectrics and Electrical Insulation, vol. 24, no. 6, pp. 3758-3765, Dec. 2017. (ISI-cited publication) |
H.A. Illias, K.J. Mou, A.H.A. Bakar, "Estimation of Transformer Parameters from Nameplate Data by Imperialist Competitive and Gravitational Search Algorithms," Swarm and Evolutionary Computation, Vol. 36, pp. 18-26, 2017. (ISI-cited publication) |
J.K. Wong, H.A. Illias and A.H.A. Bakar, "Classification of Partial Discharge Measured Under Different Levels of Noise Contamination," Plos One, vol.12, no.1, pp.1-20, 2017. (ISI-Cited Publication) DOI:10.1371/journal.pone.0170111 |
W. J. K. Raymond, H. A. Illias and A. H. Abu Bakar, "High Noise Tolerance Feature Extraction for Partial Discharge Classification in XLPE Cable Joints," IEEE Transactions on Dielectrics and Electrical Insulation, vol.24, no.1, pp.66-74, February 2017. (ISI-Cited Publication) |
H.A. Illias, G. Chen and P.L. Lewin, "Comparison between Three-Capacitance, Analytical-based and Finite Element Analysis Partial Discharge Models in Condition Monitoring," IEEE Transactions on Dielectrics and Electrical Insulation, vol.24, no.1, pp.99-109, February 2017. (ISI-Cited Publication) |
H.A. Illias, G. Altamimi, N. Mokhtar and H. Arof, "Classification of Multiple Partial Discharge Sources in Dielectric Insulation Material using Cepstrum Analysis-Artificial Neural Network," IEEJ Transactions on Electrical and Electronic Engineering, vol.12, no.3, May 2017. (ISI-Cited Publication) |
S. Z. A. Dabbak, H. A. Illias, B. C. Ang, N. A. A. Latiff, and M. Z. H. Makmud, "Electrical Properties of Polyethylene/Polypropylene Compounds for High-Voltage Insulation," Energies, vol. 11, no. 6, p. 1448, 2018. (ISI-cited publication) |
N.A.A. Latiff, H.A. Illias, A.H.A. Bakar, S.Z.A. Dabbak, "Measurement and Modelling of Leakage Current Behaviour in ZnO Surge Arresters under Various Applied Voltage Amplitudes and Pollution Conditions," Energies, Vol. 11, No. 875, pp. 1-16, 2018. (ISI-cited publication) |
M. Z. H. Makmud, H. A. Illias, C. Y. Chee and M. S. Sarjadi, "Influence of Conductive and Semi-Conductive Nanoparticles on the Dielectric Response of Natural Ester-Based Nanofluid Insulation," Energies, vol. 11, no. 2, pp. 1-12, 2018. (ISI-cited publication) |
N.A.A. Latiff, H.A. Illias, A.H.A. Bakar, S.A. Halim, S.Z. Dabbak, "Design technique for leakage current reduction in surge arrester using gravitational search algorithm and imperialist competitive algorithm", COMPEL - Computation and Mathematics in Electrical and Electronic Engineering, Vol. 37, No. 1, pp.357-374, 2018. (ISI-cited publication) |
H.A. Illias, Z.L. Wee, "Identification of transformer fault based on dissolved gas analysis using hybrid support vector machine-modified evolutionary particle swarm optimisation," Plos One, Vol. 13, No. 1, pp. 1-15: e0191366, 2018. (ISI-cited publication) |
S.S. Gururajapathy, H. Mokhlis, H.A. Illias, "Fault location using mathematical analysis and database approach," COMPEL-The international journal for computation and mathematics in electrical and electronic engineering, vol. 38, no. 1, pp. 415-430, 2019. (ISI-Indexed) |
M.Z.H. Makmud, H.A. Illias, C.Y. Ching, S.Z.A. Dabbak, "Partial Discharge in Nanofluid Insulation Material with Conductive and Semiconductive Nanoparticles," Materials, vol. 12, no. 5, pp. 816, 2019. (ISI-Indexed) |
N.H.N. Hassan, A.H.A. Bakar, H.A. Illias, S.A. Halim, H. Mokhlis, V. Terzija, "Analysis of discharge energy on surge arrester configurations in 132 kV double circuit transmission lines," Measurement, vol. 139, pp. 103-111, 2019. (ISI-Indexed) |
K. Aramugam, H.A. Illias, Y.C. Ching, "Optimisation of corona ring design for composite insulator strings", COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, vol. 38 no. 1, pp. 232-246, 2019. (ISI indexed) |
H.A. Illias, K.C. Chan, H. Mokhlis, "Hybrid feature selection–artificial intelligence–gravitational search algorithm technique for automated transformer fault determination based on dissolved gas analysis," IET Generation Transmission and Distribution, vol. 14, no. 8, pp. 1575 - 1582, 2020. (ISI-Indexed) |
Chong Wan Xin, Wong Jee Keen Raymond, Hazlee Azil Illias, Lai Weng Kin, Yiauw Kah Haur, "Effects of shorter phase-resolved partial discharge duration on PD classification accuracy," International Journal of Power Electronics and Drive Systems (IJPEDS), vol. 11, no. 1, pp. 326-332, 2020. |
M.F.M. Yousof, S.Al-Ameri, H. Ahmad, H.A. Illias, S.N.M. Arshad, "A New Approach for Estimating Insulation Condition of Field Transformers Using FRA," Advances in Electrical and Computer Engineering, vol. 20, no. 1, pp.35-42, 2020 (ISI-Indexed) |
H. A. Illias, N. S. Ishak, N. A. M. N. Alam, "Awareness Towards Renewable Energy Among Secondary School Students in Malaysia," International Journal of Renewable Energy Research, Vol.10, No.4, pp. 1645-1654, December, 2020. (SCOPUS-Indexed) |
H. A. Illias, M.M. Lim, A. H. A. Bakar, H. Mokhlis, S. Ishak, M. D. M. Amir, "Classification of abnormal location in medium voltage switchgears using hybrid gravitational search algorithm-artificial intelligence," Plos One, vol. 16, no. 7, e0253967, 2021. (ISI-Indexed) |
H.A. Illias, C.S. Su, A.H.A. Bakar, "Investigation on soil resistivity of two-layer soil structures using finite element analysis method," IET Science Measurement and Technology, vol. 15, no. 2, pp. 120 - 129, 2021. (ISI-Indexed) |
M. A. C. M. Haniffa, K. Munawar, C. Y. Chee, S. Pramanik, A. Halilu, H. A. Illias, M. Rizwan, R. Senthilnithy, K. R. R. Mahanama, et al, "Cellulose supported magnetic nanohybrids: Synthesis, pysicomagnetic properties and biomedical applications-a review," Carbohydrate polymers, 118136, 2021. (ISI-Indexed) |
M. A. C. M. Haniffa, M. Khadija, C. Y. Ching, H. A. Illias, C. H. Chuah, "Bio based poly (hydroxy urethane)s: Synthesis and pre/post functionalization," Chemistry An Asian Journal, vol. 16, no. 11, pp. 1281 - 1297, 2021. (ISI-Indexed) |
W. J. K. Raymond, C. W. Xin, L. W. Kin, H. A. Illias, "Noise invariant partial discharge classification based on convolutional neural network," Measurement, vol. 177, no. 9, p.109220, 2021. (ISI-Indexed) |
Hossain M.Z., Illias H.A. (2022). Binary power generation system by utilizing solar energy in Malaysia, Ain Shams Engineering Journal. 13(4). doi:10.1016/j.asej.2021.11.019 |
Ghunem R.A., Cherney E.A., Farzaneh M., Momen G., Illias H.A., Mier G., Peesapati V., Yin F. (2022). Development and Application of Superhydrophobic Outdoor Insulation: A Review, IEEE Transactions on Dielectrics and Electrical Insulation. 29(4), 1392-1399. doi: 10.1109/TDEI.2022.3183671. |
D. Fahmi, H. Illias, H. Mokhlis and I. M. Yulistya Negara, "Particle-triggered Corona Discharge Characteristics in Air Insulation under DC Voltage," in IEEE Transactions on Dielectrics and Electrical Insulation, 2022, doi: 10.1109/TDEI.2022.3218519. |
Ahmed, Nasiru Yahaya; Illias, Hazlee Azil; Mokhlis, Hazlie (2023). A protocol for selecting viable transmission line arrester for optimal lightning protection, ELECTRIC POWER SYSTEMS RESEARCH. 221, 109489. doi:10.1016/j.epsr.2023.109489 |
Aramugam, Kalaiselvi; Illias, Hazlee Azil; Ching, Yern Chee; Ali, Mohd Syukri; Makmud, Mohamad Zul Hilmey (2023). Optimal Design of Corona Ring for 132 kV Insulator at High Voltage Transmission Lines Based on Optimisation Techniques, ENERGIES. 16(2), . doi:10.3390/en16020778 |
Azam, S. M. Kayser; Othman, Mohamadariff; Illias, Hazlee Azil; Latef, Tarik Abdul; Islam, Mohammad Tariqul; Ain, Mohd Fadzil (2023). Ultra-high frequency printable antennas for partial discharge diagnostics in high voltage equipment, ALEXANDRIA ENGINEERING JOURNAL. 64(), 709-729. doi:10.1016/j.aej.2022.11.026 |
Chan, Jun Qiang; Raymond, Wong Jee Keen; Illias, Hazlee Azil; Othman, Mohamadariff (2023). Partial Discharge Localization Techniques: A Review of Recent Progress, ENERGIES. 16(6), 2863. doi:10.3390/en16062863 |
Fahmi, Daniar; Illias, Hazlee Azil; Mokhlis, Hazlie; Negara, I. M. Yulistya (2023). Negative DC corona patterns for different wire particle geometries in air insulation, ALEXANDRIA ENGINEERING JOURNAL. 73(), 635-649. doi:10.1016/j.aej.2023.04.068 |
Ahmed, Nasiru Yahaya; Illias, Hazlee Azil; Mokhlis, Hazlie (2023). A protocol for selecting viable transmission line arrester for optimal lightning protection, ELECTRIC POWER SYSTEMS RESEARCH. 221, 109489. doi:10.1016/j.epsr.2023.109489 |
Azam, S. M. K., Chan, J. Q., Othman, M., Raymond, W. J. K., Illias, H. A., Latef, T. A., Hossain, A. K. M. Z., Vettikalladi, H., Almuhlafi, A. M., Himdi, M., & Rahman, A. K. A. (2024). Electromagnetic Characteristics Interpretation of Partial Discharge Phenomena at Variable Distance in High-Voltage Systems. IEEE Access, 12, 127718-127730. doi: 10.1109/ACCESS.2024.3456833. |
Chen, S., Illias, H. A., Wong, J. K. R., & Mansor, N. N. (2024). Denoising of partial discharges in switchgear insulation material using hybrid wavelet denoising-optimization-machine learning. Ain Shams Engineering Journal, 103032. doi: 10.1016/j.asej.2024.103032. |
Kumar, Dhruba; Dutta, Saurabh; Illias, Hazlee Azil (2024). Streamlining Fault Classification of Dissolved Gases in Transformer using Data Synthesis and Dimension Reduction, IEEE Transactions on Dielectrics and Electrical Insulation. (early access). doi: 10.1109/TDEI.2024.3387416. |
Kumar, Dhruba; Dutta, Saurabh; Illias, Hazlee Azil (2024). Optimizing Transformer Fault Detection Performance through the Synergy of AI and Statistical Analysis for Multi-Fault Classification, IEEE Transactions on Power Delivery. 39(5), 2932-2942. doi: 10.1109/TPWRD.2024.3449389. |
Afzal, Suhail; Mokhlis, Hazlie; Illias, Hazlee Azil; Bajwa, Abdullah Akram; Mekhilef, Saad; Mubin, Marizan; Muhammad, Munir Azam; Shareef, Hussain (2024). Modelling spatiotemporal impact of flash floods on power distribution system and dynamic service restoration with renewable generators considering interdependent critical loads, IET GENERATION TRANSMISSION & DISTRIBUTION. doi:10.1049/gtd2.12947 |
Ahmed, Nasiru Yahaya; Illias, Hazlee Azil; Mokhlis, Hazlie; Fahmi, Daniar; Abdullah, Noradlina (2024). Flashover pattern analysis for 275 kV double circuit transmission lines during direct lightning strikes, ELECTRIC POWER SYSTEMS RESEARCH. 228. doi:10.1016/j.epsr.2023.110104 |
Azam, S. M. Kayser; Othman, Mohamadariff; Illias, Hazlee Azil; Latef, Tarik Abdul; Fahmi, Daniar; Raymond, Wong Jee Keen; Mahadi, Wan Nor Liza Wan; Hossain, K. M. Zakir; Aziz, M. Z. A. Abd.; Ababneh, Ahmad (2024). Unknown PD distinction in HVAC/HVDC by antenna-sensor with pulse sequence analysis, ALEXANDRIA ENGINEERING JOURNAL. 91, 457-471. doi:10.1016/j.aej.2024.02.013 |
Last Update: 26/09/2024