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2024

Conference Publication

Applicability of Modal Analysis on Health Condition Assessment of Transformers Under Uniform and Non-Uniform Clamping Pressure Change

Singha, Amita, Pallot, Jakob and Ekanayake, Chandima (2024). Applicability of Modal Analysis on Health Condition Assessment of Transformers Under Uniform and Non-Uniform Clamping Pressure Change. IEEE. doi: 10.1109/catcon60527.2024.10832097

Applicability of Modal Analysis on Health Condition Assessment of Transformers Under Uniform and Non-Uniform Clamping Pressure Change

2024

Conference Publication

Modal analysis of transformer winding under clamping pressure changes

Singha, Amita, Pallot, Jakob and Ekanayake, Chandima (2024). Modal analysis of transformer winding under clamping pressure changes. 2024 IEEE 34th Australasian Universities Power Engineering Conference, AUPEC 2024, Sydney, Australia, 20-22 November 2024. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/aupec62273.2024.10807624

Modal analysis of transformer winding under clamping pressure changes

2024

Conference Publication

Analysing harmonic resonance behaviour of a grid-connected PV plant

Abeysekara, Anuradha, Ekanayake, Chandima and Ma, Hui (2024). Analysing harmonic resonance behaviour of a grid-connected PV plant. 2024 IEEE 34th Australasian Universities Power Engineering Conference (AUPEC), Sydney, Australia, 20-22 November 2024. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/aupec62273.2024.10807515

Analysing harmonic resonance behaviour of a grid-connected PV plant

2024

Journal Article

Investigation of cellulose insulation ageing in transformers retrofilled with ester fluids at different service years

Dixit, Anupam, Ma, Hui, Ekanayake, Chandima, Daghrah, Muhammad and Saha, Tapan Kumar (2024). Investigation of cellulose insulation ageing in transformers retrofilled with ester fluids at different service years. IEEE Transactions on Dielectrics and Electrical Insulation, 31 (4), 2151-2160. doi: 10.1109/tdei.2024.3373557

Investigation of cellulose insulation ageing in transformers retrofilled with ester fluids at different service years

2024

Conference Publication

Cable Overvoltage Characteristics in Bipolar VSC-HVDC Configuration with Multiple Operation Modes

Hu, Yuxiao, Ma, Hui, Li, Jiangtao, Xu, Yang, Jin, Yan, Ekanayake, Chandima and Li, Junyao (2024). Cable Overvoltage Characteristics in Bipolar VSC-HVDC Configuration with Multiple Operation Modes. IEEE. doi: 10.1109/pesgm51994.2024.10761095

Cable Overvoltage Characteristics in Bipolar VSC-HVDC Configuration with Multiple Operation Modes

2024

Journal Article

On vision transformer for ultra-short-term forecasting of photovoltaic generation using sky images

Xu, Shijie, Zhang, Ruiyuan, Ma, Hui, Ekanayake, Chandima and Cui, Yi (2024). On vision transformer for ultra-short-term forecasting of photovoltaic generation using sky images. Solar Energy, 267 112203, 1-12. doi: 10.1016/j.solener.2023.112203

On vision transformer for ultra-short-term forecasting of photovoltaic generation using sky images

2023

Journal Article

Characterization of electrical tree initiation and growth in XLPE under harmonic waveforms

Arachchige, Thanuja Gawasingha, Zhong, Xin, Ekanayake, Chandima, Ma, Hui and Saha, Tapan (2023). Characterization of electrical tree initiation and growth in XLPE under harmonic waveforms. IEEE Transactions on Dielectrics and Electrical Insulation, 30 (5), 1974-1982. doi: 10.1109/tdei.2023.3297556

Characterization of electrical tree initiation and growth in XLPE under harmonic waveforms

2023

Conference Publication

Image-based condition monitoring of transmission line conductors using image processing and deep neural networks

Senavirathna, Shehan Kaushalya, Udawatte, Harith, Harischandra, Nalin, Fernando, Manjula and Ekanayake, Chandima (2023). Image-based condition monitoring of transmission line conductors using image processing and deep neural networks. 2023 IEEE 17th International Conference on Industrial and Information Systems (ICIIS), Peradeniya, Sri Lanka, 25-26 August 2023. Piscataway, NJ, United States: IEEE. doi: 10.1109/iciis58898.2023.10253531

Image-based condition monitoring of transmission line conductors using image processing and deep neural networks

2022

Journal Article

On recognition of multiple power quality disturbance events in electricity networks

Le, Vinh Hao, Ma, Hui, Ekanayake, Chandima and Saha, Tapan (2022). On recognition of multiple power quality disturbance events in electricity networks. IET Generation, Transmission and Distribution, 16 (9), 1697-1713. doi: 10.1049/gtd2.12378

On recognition of multiple power quality disturbance events in electricity networks

2022

Journal Article

Application of operational modal analysis to investigate transformer vibration patterns

Pallot, Jakob, Ekanayake, Chandima, Ma, Hui and Naranpanawe, Lakshitha (2022). Application of operational modal analysis to investigate transformer vibration patterns . IET Generation, Transmission and Distribution, 16 (10), 1964-1973. doi: 10.1049/gtd2.12406

Application of operational modal analysis to investigate transformer vibration patterns

2022

Journal Article

Thermal analysis of natural cooling type distribution transformer retrofilled with natural ester oil

Dixit, Anupam, Ekanayake, Chandima, Ma, Hui, Saha, Tapan K. and Ansari, Muhammad Hafeez (2022). Thermal analysis of natural cooling type distribution transformer retrofilled with natural ester oil. IEEE Transactions on Dielectrics and Electrical Insulation, 29 (1), 1-1. doi: 10.1109/tdei.2022.3148447

Thermal analysis of natural cooling type distribution transformer retrofilled with natural ester oil

2022

Journal Article

Experimental study on partial discharge inception voltage of pressboard-enclosed void at different frequencies from the perspective of the first partial discharge time lag

Zhong, Xin, Gawasingha Arachchige, Thanuja , Ma, Hui, Ekanayake, Chandima and Saha, Tapan Kumar (2022). Experimental study on partial discharge inception voltage of pressboard-enclosed void at different frequencies from the perspective of the first partial discharge time lag. IEEE Transactions on Dielectrics and Electrical Insulation, 29 (4), 1-1. doi: 10.1109/tdei.2022.3183674

Experimental study on partial discharge inception voltage of pressboard-enclosed void at different frequencies from the perspective of the first partial discharge time lag

2021

Journal Article

Electrical tree driven breakdown of XLPE under step stress breakdown test at multiple frequencies

Arachchige, Thanuja Gawasingha, Zhong, Xin, Ekanayake, Chandima, Ma, Hui and Saha, Tapan (2021). Electrical tree driven breakdown of XLPE under step stress breakdown test at multiple frequencies. IEEE Transactions on Dielectrics and Electrical Insulation, 28 (6), 2065-2073. doi: 10.1109/tdei.2021.009903

Electrical tree driven breakdown of XLPE under step stress breakdown test at multiple frequencies

2021

Journal Article

Frequency Domain Measurements for Diagnosis of Power Transformers: Experiences from Australia, Malaysia, Sri Lanka and UK

Kumara, S., Matharage, S., Bandara, K., Wickramasuriya, P., Yousuf, F., Ekanayake, C., Fernando, M., Wang, Z. and Gubanski, S. M. (2021). Frequency Domain Measurements for Diagnosis of Power Transformers: Experiences from Australia, Malaysia, Sri Lanka and UK. CIGRE Science and Engineering, 2021 (22).

Frequency Domain Measurements for Diagnosis of Power Transformers: Experiences from Australia, Malaysia, Sri Lanka and UK

2021

Journal Article

Ageing analysis of solar farm inverter transformers

Zhong, Xin, Ekanayake, Chandima, Ma, Hui and Saha, Tapan K. (2021). Ageing analysis of solar farm inverter transformers. IEEE Transactions on Power Delivery, 36 (6), 1-10. doi: 10.1109/tpwrd.2021.3049505

Ageing analysis of solar farm inverter transformers

2021

Journal Article

A risk assessment for utilities to prevent transformer OLTC failures caused by silver sulphide corrosion

Samarasinghe, Sameera, Ekanayake, Chandima, Ma, Hui, Saha, Tapan K., Baniya, Jayaram, Allan, David and Russel, Gary (2021). A risk assessment for utilities to prevent transformer OLTC failures caused by silver sulphide corrosion. IEEE Transactions on Power Delivery, 37 (3), 1-1. doi: 10.1109/tpwrd.2021.3128623

A risk assessment for utilities to prevent transformer OLTC failures caused by silver sulphide corrosion

2020

Conference Publication

Optimal accelerometer placement for online vibro-acoustic measurement based transformer winding condition monitoring

Pallot, Jakob, Ma, Hui, Naranpanawe, Lakshitha and Ekanayake, Chandima (2020). Optimal accelerometer placement for online vibro-acoustic measurement based transformer winding condition monitoring. 2020 8th International Conference on Condition Monitoring and Diagnosis (CMD), Phuket, Thailand, 25-28 October 2020. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/CMD48350.2020.9287203

Optimal accelerometer placement for online vibro-acoustic measurement based transformer winding condition monitoring

2020

Conference Publication

Breakdown mechanisms of XLPE cable with insulation defects

Arachchige, Thanuja Gawasingha, Narampanawa, Lakshitha, Ekanayake, Chandima and Ma, Hui (2020). Breakdown mechanisms of XLPE cable with insulation defects. IEEE Conference on Electrical Insulation and Dielectric Phenomena (IEEE CEIDP), East Rutherford, NJ United States, 18-30 October 2020. Piscataway, NJ United States: IEEE. doi: 10.1109/ceidp49254.2020.9437457

Breakdown mechanisms of XLPE cable with insulation defects

2020

Journal Article

Investigating passivator effectiveness for preventing silver sulfide corrosion in power transformer on-load tap changers

Samarasinghe, Sameera, Ma, Hui, Ekanayake, Chandima, Martin, Daniel and Saha, Tapan (2020). Investigating passivator effectiveness for preventing silver sulfide corrosion in power transformer on-load tap changers. IEEE Transactions on Dielectrics and Electrical Insulation, 27 (5) 9215132, 1761-1768. doi: 10.1109/tdei.2020.008996

Investigating passivator effectiveness for preventing silver sulfide corrosion in power transformer on-load tap changers

2020

Journal Article

Investigation of overall and local vibration characteristics of disk-type windings

Zhu, Lingyu, Zhang, Fan, Ji, Shengchang, Naranpanawe, Lakshitha, Ma, Hui, Ekanayake, Chandima and Saha, Tapan (2020). Investigation of overall and local vibration characteristics of disk-type windings. IET Generation, Transmission and Distribution, 14 (18), 3685-3691. doi: 10.1049/iet-gtd.2019.0756

Investigation of overall and local vibration characteristics of disk-type windings