UQ Cyber

Dr Hui Ma

Senior Lecturer in Power & Energy
School of Electrical Engineering and Computer Science
+61 7 334 68751
View researcher profile
Featured projects Duration
“Are Power Transformers Hackable?” - Leveraging Security and Reliability of Large Power Transformers in Australia’s Power Grids
UQ Cyber Seed Funding
 2023

Publications

Book Chapters (3)
Journal Articles (59)
Conference Papers (66)
Data Collection (1)
Research Report (1)

Book Chapters

Ma, Hui and Saha, Tapan (2017). Smart Transformer Condition Monitoring and Diagnosis. Transformer Ageing: Monitoring and Estimation Techniques. (pp. 403-439) edited by Tapan Kumar Saha and Prithwiraj Purkait. Singapore, Singapore: John Wiley & Sons.
Chan, Jeffery, Saha,Tapan and Ma, Hui (2017). Advanced Signal Processing Techniques for Partial Discharge Measurement. Transformer Ageing: Monitoring and Estimation Techniques. (pp. 245-302) Singapore: John Wiley & Sons.
Cui, Yi, Saha, Tapan and Ma, Hui (2017). Dissolved Gas Analysis Interpretation and Intelligent Machine Learning Techniques. Transformer Ageing: Monitoring and Estimation Techniques. (pp. 211-243) edited by Tapan Kumar Saha. Singapore: John Wiley & Sons.

Journal Articles

Xu, Shijie, Ma, Hui, Ekanayake, Chandima and Cui, Yi (2025). Swin transformer-based transferable PV forecasting for new PV sites with insufficient PV generation data. Renewable Energy, 246 122824, 122824. doi: 10.1016/j.renene.2025.122824
Feng, Jiajie, Bai, Feifei, Nadarajah, Mithulananthan, Ma, Hui and Pradana, Adlan (2025). Virtual inertia control for damping low-frequency oscillation in IBR-dominated networks. IEEE Transactions on Industry Applications, 61 (2), 1907-1916. doi: 10.1109/tia.2025.3532239
Liu, Kai, Jiao, Shibo, Nie, Guangbo, Ma, Hui, Gao, Bo, Sun, Chuanming, Xin, Dongli, Saha, Tapan K. and Wu, Guangning (2024). On image transformation for partial discharge source identification in vehicle cable terminals of high‐speed trains. High Voltage, 9 (5), 1090-1100. doi: 10.1049/hve2.12487
Liu, Kai, Nie, Guangbo, Jiao, Shibo, Gao, Bo, Ma, Hui, Fu, Jianmin, Mu, Junbin and Wu, Guangning (2024). Research on fault diagnosis method of vehicle cable terminal based on time series segmentation for graph neural network model. Measurement: Journal of the International Measurement Confederation, 237 114999, 1-13. doi: 10.1016/j.measurement.2024.114999
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
Xia, Zhong, Zhang, Ruiyuan, Ma, Hui and Saha, Tapan (2024). Day-ahead electricity consumption prediction of individual household – capturing peak consumption pattern. IEEE Transactions on Smart Grid, 15 (3), 2971-2984. doi: 10.1109/tsg.2023.3332281
Liu, Kai, Jiao, Shibo, Nie, Guangbo, Ma, Hui, Gao, Bo, Sun, Chuanming, Xin, Dongli, Kumar Saha, Tapan and Wu, Guangning (2024). Equivalent bandwidth matrix of relative locations: image modeling method for defect degree identification of in-vehicle cable termination. IEEE Transactions on Instrumentation and Measurement, 73 2536110. doi: 10.1109/tim.2024.3481567
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
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
You, Lei, Ma, Hui and Kumar Saha, Tapan (2023). A CVaR-constrained optimal power flow model for wind integrated power systems considering Transmission-side flexibility. International Journal of Electrical Power and Energy Systems, 150 109087, 109087. doi: 10.1016/j.ijepes.2023.109087
You, Lei, Ma, Hui, Saha, Tapan Kumar and Liu, Gang (2022). Security-constrained economic dispatch exploiting the operational flexibility of transmission networks. International Journal of Electrical Power and Energy Systems, 138 107914, 107914. doi: 10.1016/j.ijepes.2021.107914
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
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
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
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
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
You, Lei, Ma, Hui, Saha, Tapan and Liu, Gang (2021). Risk-based contingency-constrained optimal power flow with adjustable uncertainty set of wind power. IEEE Transactions on Industrial Informatics, 18 (2), 1-1. doi: 10.1109/TII.2021.3076801
Zhang, Ruiyuan, Ma, Hui, Saha, Tapan K. and Zhou, Xiaofang (2021). Photovoltaic nowcasting with bi-level spatio-temporal analysis incorporating sky images. IEEE Transactions on Sustainable Energy, 12 (3) 9374710, 1766-1776. doi: 10.1109/tste.2021.3064326
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
Xia, Zhong, Ma, Hui, Saha, Tapan Kumar and Zhang, Ruiyuan (2021). Consumption scenario-based probabilistic load forecasting of single household. IEEE Transactions on Smart Grid, 13 (2), 1-1. doi: 10.1109/tsg.2021.3132039
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
Naranpanawe, Lakshitha, Ma, Hui, Saha, Tapan Kumar, Lee, Colin and Ghosal, Ayan (2020). A practical health index for overhead conductors: experience from Australian distribution networks. IEEE Access, 8 9281285, 218863-218873. doi: 10.1109/access.2020.3042486
Liu, Gang, Xu, Zhifeng, Ma, Hui, Hao, Yanpeng, Wang, Pengyu, Wu, Wenbo, Xie, Yue and Guo, Deming (2020). An improved analytical thermal rating method for cables installed in short-conduits. International Journal of Electrical Power and Energy Systems, 123 106223. doi: 10.1016/j.ijepes.2020.106223
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
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
Zhang, Ruiyuan, Ma, Hui, Hua, Wen, Saha, Tapan and Zhou, Xiaofang (2020). Data-driven photovoltaic generation forecasting based on Bayesian network with spatial-temporal correlation analysis. IEEE Transactions on Industrial Informatics, 16 (3) 8746200, 1635-1644. doi: 10.1109/tii.2019.2925018
Samarasinghe, Sameera, Ma, Hui, Martin, Daniel and Saha, Tapan (2019). Investigations of silver sulfide formation on transformer OLTC tap selectors and its influence on oil properties. IEEE Transactions on Dielectrics and Electrical Insulation, 26 (6) 8924125, 1926-1934. doi: 10.1109/tdei.2019.008232
Zhang, Fan, Ji, Shengchang, Ma, Hui and Saha, Tapan Kumar (2019). Operational modal analysis of transformer windings. IEEE Transactions on Power Delivery, 35 (3) 8823986, 1-1. doi: 10.1109/tpwrd.2019.2939388
Wang, Peng-Yu, Ma, Hui, Liu, Gang, Han, Zhuo-Zhan, Guo, De-Ming, Xu, Tao and Kang, Long-Yun (2019). Dynamic thermal analysis of high-voltage power cable insulation for cable dynamic thermal rating. IEEE Access, 7 8701571, 56095-56106. doi: 10.1109/access.2019.2913704
Yang, Fan, Zhu, Ningxi, Liu, Gang, Ma, Hui, Wei, Xiaoyu, Hu, Chuanliang, Wang, Zhenhua and Huang, Jiasheng (2018). A new method for determining the connection resistance of the compression connector in cable joint. Energies, 11 (7) 1667, 1-19. doi: 10.3390/en11071667
You, Lei, Wang, Jian, Liu, Gang, Ma, Hui and Zheng, Ming (2018). Thermal rating of offshore wind farm cables installed in ventilated J-tubes. Energies, 11 (3) 545, 545. doi: 10.3390/en11030545
Li, Shuaibing, Ma, Hui, Saha, Tapan K., Yang, Yan and Wu, Guangning (2018). On particle filtering for power transformer remaining useful life estimation. IEEE Transactions on Power Delivery, 33 (6) 8294269, 1-1. doi: 10.1109/TPWRD.2018.2807386
Wang, Pengyu, Liu, Gang, Ma, Hui, Liu, Yigang and Xu, Tao (2017). Investigation of the Ampacity of a Prefabricated Straight-Through Joint of High Voltage Cable. Energies, 10 (12) 2050, 1-17. doi: 10.3390/en10122050
Liu, Xuejing, Jia, Shuhai, Li, Bo, Xing, Yu, Chen, Hualing, Ma, Hui and Sheng, Junjie (2017). An electromechanical model for the estimation of breakdown voltage in stretchable dielectric elastomer. IEEE Transactions on Dielectrics and Electrical Insulation, 24 (5) 8120369, 3099-3112. doi: 10.1109/TDEI.2017.006599
Seo, Junhyuck, Ma, Hui and Saha, Tapan (2017). On Savitzky-Golay filtering for online condition monitoring of transformer on-load tap changer. IEEE Transactions on Power Delivery, 33 (4), 1689-1698. doi: 10.1109/TPWRD.2017.2749374
Li, Shuaibing, Ma, Hui, Saha, Tapan and Wu, Guangning (2017). Bayesian information fusion for probabilistic health index of power transformer. IET Generation, Transmission and Distribution, 12 (2), 279-287. doi: 10.1049/iet-gtd.2017.0582
Cui, Yi, Ma, Hui, Saha, Tapan, Ekanayake, Chandima and Martin, Daniel (2016). Moisture dependent thermal modelling of power transformer. IEEE Transactions On Power Delivery, 31 (5) 7470291, 2140-2150. doi: 10.1109/TPWRD.2016.2569123
Cui, Yi, Ma, Hui, Saha, Tapan, Ekanayake, Chandima and Wu, Guangning (2016). Multi-physics modelling approach for investigation of moisture dynamics in power transformers. IET Generation Transmission and Distribution, 10 (8), 1993-2001. doi: 10.1049/iet-gtd.2015.1459
Seo, Junhyuck, Ma, Hui and Saha, Tapan (2016). A Novel Signal Extraction Technique for Online Partial Discharge (PD) Measurement of Transformers. International transactions on electrical energy systems, 26 (5), 1032-1048. doi: 10.1002/etep.2121
Bandara, Kapila, Ekanayake, Chandima, Saha, Tapan and Ma, Hui (2016). Performance of natural ester as a transformer oil in moisture-rich environments. Energies, 9 (4) 258, 258. doi: 10.3390/en9040258
Seo, Junhyuck, Ma, Hui and Saha, Tapan (2016). A joint vibration and arcing measurement system for online condition monitoring of on-load tap changer of power transformer. IEEE Transactions on Power Delivery, 32 (2) 7410100, 1031-1038. doi: 10.1109/TPWRD.2016.2531186
Cui, Yi, Ma, Hui, Saha, Tapan, Ekanayake, Chandima and Martin, Daniel (2016). Particle tracing modelling on moisture dynamics of oil-impregnated transformer. IET Science, Measurement and Technology, 10 (4), 335-343. doi: 10.1049/iet-smt.2015.0196
Catterson, V. M., Castellon, J., Pilgrim, J. A., Saha, T. K., Ma, H., Vakilian, M., Moradnouri, A., Gholami, M. and Sparling, B. D. (2015). The impact of smart grid technology on dielectrics and electrical insulation. IEEE Transactions on Dielectrics and Electrical Insulation, 22 (6) 7367548, 3505-3512. doi: 10.1109/TDEI.2015.00518
Chan, Jeffery C., Ma, Hui and Saha, Tapan K. (2015). Hybrid method on signal de-noising and representation for online partial discharge monitoring of power transformers at substations. IET Science, Measurement and Technology, 9 (7), 890-899. doi: 10.1049/iet-smt.2014.0358
Cui, Yi, Ma, Hui, Saha, Tapan and Ekanayake, Chandima (2015). Understanding moisture dynamics and its effect on dielectric response of transformer insulation. IEEE Transactions on Power Delivery, 30 (5) 7094283, 2195-2204. doi: 10.1109/TPWRD.2015.2426199
Seo, Junhyuck, Ma, Hui and Saha, Tapan (2015). Probabilistic wavelet transform for partial discharge measurement of transformer. IEEE Transactions on Dielectrics and Electrical Insulation, 22 (2) 7076812, 1105-1117. doi: 10.1109/TDEI.2015.7076812
Ma, Hui, Saha, Tapan K., Ekanayake, Chandima and Martin, Daniel (2015). Smart transformer for smart grid—intelligent framework and techniques for power transformer asset management. IEEE Transactions on Smart Grid, 6 (2) 7005528, 1026-1034. doi: 10.1109/TSG.2014.2384501
Martin, Daniel, Cui, Yi, Ekanayake, Chandima, Ma, Hui and Saha, Tapan (2015). An updated model to determine the life remaining of transformer insulation. IEEE Transactions on Power Delivery, 30 (1), 395-402. doi: 10.1109/TPWRD.2014.2345775
Chan, Jeffery C., Ma, Hui and Saha, Tapan K (2015). Time-frequency sparsity map on automatic partial discharge sources separation for power transformer condition assessment. IEEE Transactions on Dielectrics and Electrical Insulation, 22 (4) 7179191, 2271-2283. doi: 10.1109/TDEI.2015.004836
Cui, Yi, Ma, Hui and Saha, Tapan (2014). Improvement of Power Transformer Insulation Diagnosis Using Oil Characteristics Data Preprocessed by SMOTEBoost Technique. IEEE Transactions on Dielectrics and Electrical Insulation, 21 (5) 6927367, 2363-2373. doi: 10.1109/TDEI.2014.004547
Chan, Jeffrey C., Ma, Hui and Saha, Tapan Kumar (2014). Automatic blind equalization and thresholding for partial discharge measurement in power transformer. IEEE Transactions on Power Delivery, 29 (4) 6851211, 1927-1938. doi: 10.1109/TPWRD.2014.2322114
Cui, Yi, Ma, Hui and Saha, Tapan (2014). Pattern recognition techniques for power transformer insulation diagnosis: a comparative study. Part 1: framework, literature,and illustration. International Transactions on Electrical Energy Systems, 25 (10), 2247-2259. doi: 10.1002/etep.1959
Cui, Yi, Ma, Hui and Saha, Tapan (2014). Pattern recognition techniques for power transformer insulation diagnosis: a comparative study. Part 2: implementation, case study,and statistical analysis. International Transactions on Electrical Energy Systems, 25 (10), 2260-2274. doi: 10.1002/etep.1963
Dehghani Ashkezari, Atefeh, Ma, Hui, Saha, Tapan K. and Cui, Yi (2014). Investigation of feature selection techniques for improving efficiency of power transformer condition assessment. IEEE Transactions on Dielectrics and Electrical Insulation, 21 (2) 6783079, 836-844. doi: 10.1109/TDEI.2013.004090
Chan, Jeffery C., Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2014). Self-adaptive partial discharge signal de-noising based on ensemble empirical mode decomposition and automatic morphological thresholding. IEEE Transactions On Dielectrics and Electrical Insulation, 21 (1), 294-303. doi: 10.1109/TDEI.2014.6740752
Dehghani Ashkezari, Atefeh, Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2013). Application of fuzzy support vector machine for determining the health index of the insulation system of in-service power transformers. IEEE Transactions on Dielectrics and Electrical Insulation, 20 (3) 6518966, 965-973. doi: 10.1109/TDEI.2013.6518966
Ma, Hui, Chan, Jeffery C., Saha, Tapan K. and Ekanayake, Chandima (2013). Pattern recognition techniques and their applications for automatic classification of artificial partial discharge sources. IEEE Transactions on Dielectrics and Electrical Insulation, 20 (2) 6508749, 468-478. doi: 10.1109/TDEI.2013.6508749
Ma, Hui, Ekanayake, Chandima and Saha, Tapan (2012). Power transformer fault diagnosis under measurement originated uncertainties. IEEE Transaction on Dielectrics and Electrical Insulation, 19 (6) 6396956, 1982-1990. doi: 10.1109/TDEI.2012.6396956
Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2012). Statistical learning techniques and their applications for condition assessment of power transformer. IEEE Transactions on Dielectrics and Electrical Insulation, 19 (2) 6180241, 481-489. doi: 10.1109/TDEI.2012.6180241

Conference Papers

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
Zhang, Yirui, Cheng, Hao, Yang, Yueheng, Li, Xinquan, Ma, Hui, Liu, Zhiyuan, Geng, Yingsan and Wang, Jianhua (2024). Experimental Study of Vacuum Arc Characteristics of Cu-Cr Alloy Electrode Recorded by Various Wavelength Bandpass Filters. IEEE. doi: 10.1109/icepe-st61894.2024.10792599
Hu, Yuxiao, Ma, Hui, Ekanayake, Chandima, He, Shixiang, Zheng, Linzi and Xu, Yang (2024). A study of transient electric field distribution of XLPE cable joint in a VSC-HVDC system. 2024 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Auburn, AL United States, 6 - 9 October 20245. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ceidp61745.2024.10907476
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. 2024 IEEE Power & Energy Society General Meeting (PESGM), Seattle, WA USA, 21-25 July 2024. IEEE. doi: 10.1109/pesgm51994.2024.10761095
Yao, Shijie, Ma, Hui and Ekanayake, Chandima (2024). An Improved Power Transformer High Frequency Model for Transient Overvoltage Studies. IEEE Computer Society. doi: 10.1109/APPEEC61255.2024.10922309
Jiang, Hanjun, Ekanayake, Chandima and Ma, Hui (2024). On Deep Learning for Condition Assessment of Power Transformers. IEEE Computer Society. doi: 10.1109/APPEEC61255.2024.10922252
Shen, Taolue, Ma, Hui, Ekanayake, Chandima and Jiang, Hanjun (2024). On Synchro-Waveform Data Analytics for High Impedance Fault Identification in Distribution Networks. IEEE Computer Society. doi: 10.1109/APPEEC61255.2024.10922280
Feng, Jiajie, Bai, Feifei, Nadarajah, Mithulananthan and Ma, Hui (2023). Transition towards inverter-based generation with VSG control: low frequency instability prospective. 2023 IEEE International Conference on Energy Technologies for Future Grids (ETFG), Wollongong, NSW, Australia, 3-6 December 2023. Piscataway, NJ, United States: IEEE. doi: 10.1109/etfg55873.2023.10407495
Ma, Hui, Wang, Junjun, Li, Jiaqi, Hong, Zhiheng, Liu, Danqing, Cao, Wenping, Wu, Fengmin, Yang, Bin and Chen, Chuntian (2022). Temperature dependence of dielectric properties and domain structure of (K,Na)(Nb,Ta)O3 single crystal. 12th International Conference of the Chinese-Society-of-Micro-Nano-Technology / Microsystems and Nanoengineering Summit (CSMNT/MAN), Beijing, China, 8-11 October 2021. New York, NY USA: Taylor & Francis. doi: 10.1080/00150193.2022.2076429
Zhang, Ruiyuan, Ma, Hui, Saha, Tapan Kumar and Zhou, Xiaofang (2020). On sky imaging analysis and deep learning for photovoltaic output nowcasting. 2020 IEEE Power & Energy Society General Meeting (PESGM), Montreal, QC Canada, 2-6 August 2020. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/pesgm41954.2020.9281668
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 United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/CMD48350.2020.9287203
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
You, Lei, Ma, Hui and Saha, Tapan Kumar (2020). Optimal Co-Allocation Plan of Dynamic Line Rating and FACTS for Wind Integration Considering Forecast Uncertainties. 2020 IEEE Power & Energy Society General Meeting (PESGM), Montreal, QC Canada, 2-6 August 2020. Piscataway, NJ United States: IEEE. doi: 10.1109/PESGM41954.2020.9281624
Cui, Yi, Ma, Hui, Saha, Tapan and Liu, Yilu (2019). Hypothesis of interfacial charge transportation in oil-paper insulation for transformer moisture estimation. Power and Energy Society, IEEE General Meeting (PESGM), Atlanta, GA, United States, 4-8 August 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/pesgm40551.2019.8973596
Samarasinghe, S., Naranpanawe, L., Martin, D., Ma, H. and Saha, T. K. (2019). Finite element analysis on On-Load Tap Changer (OLTC) tap selector electrical breakdown mechanism caused by silver sulphide corrosion. IEEE Power and Energy Society General Meeting, Atlanta, GA, United States, 4-8 Aug. 2019. Piscataway, NJ, United States: IEEE Computer Society. doi: 10.1109/PESGM40551.2019.8973593
Samarasinghe, Sameera, Martin, Daniel and Ma, Hui (2019). Transformer Over Passivation to Prevent On-Load Tap Changer Silver Sulphide Corrosion. 2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia), Chengdu, China, 21-24 May 2019. Piscataway, NJ United States: IEEE. doi: 10.1109/isgt-asia.2019.8881450
Seo, Junhyuck, Ma, Hui and Saha, Tapan K. (2018). An improved spatial intersectional method for partial discharge (PD) source localization in power transformer. 12th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2018, Xian, China, 20-24 May 2018. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/ICPADM.2018.8401064
Ma, Hui, Seo, Junhyuck, Saha, Tapan and Chan, Jeffery (2018). Joint time-frequency analysis for partial discharge (PD) signal extraction. 12th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2018, Xi'an, China, 20-24 May 2018. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/ICPADM.2018.8401084
Seo, Junhyuck, Ma, Hui and Saha, Tapan K. (2018). Analysis of vibration signal for power transformer on-load tap changer (OLTC) condition monitoring. 2018 IEEE Power and Energy Society General Meeting, PESGM 2018, Portland, OR, United States, 5-10 August 2018. New York, NY, United States: IEEE Computer Society. doi: 10.1109/PESGM.2018.8585863
Cui, Yi, Ma, Hui, Saha, Tapan and Liu, Yilu (2017). Understanding the Effect of Non-Uniform Ageing on Dielectric Response of Transformer Insulation. 2017 IEEE Power & Energy Society General Meeting, Chicago, IL, United States, 16-20 July 2017. Piscataway NJ, United States: IEEE Computer Society. doi: 10.1109/PESGM.2017.8274446
Samarasinghe, W. M. S. C., Martin, D., Ma, H. and Saha, T. K. (2017). A review on influencing factors of sulphur corrosion and metal passivation in power transformers. Australasian Universities Power Engineering Conference (AUPEC), Melbourne, Australia, 19-22 November 2017. Piscataway, NJ, United States: IEEE. doi: 10.1109/AUPEC.2017.8282416
Ma, Hui, Saha, Tapan, Seo, Junhyuck, Chan, Jeffery and Cui, Yi (2017). PDTools: a toolbox of Partial Discharge (PD) signal analysis for transformer condition assessment. 2017 IEEE Power & Energy Society General Meeting, Chicago, IL, United States, 16-20 July 2017. Piscataway, NJ, United States: IEEE Computer Society. doi: 10.1109/PESGM.2017.8273888
Zhang, Zaiqin, Ma, Hui, Yi, Xiuli, Liu, Zhiyuan, Geng, Yingsan and Wang, Jianhua (2017). Study on the Heat Flux Density Delivered to the Anode at the Transition to Anode Spot Formation in High Current Vaccum Arcs. 4th International Conference on Electric Power Equipment-Switching Technology (ICEPE-ST), Xian Peoples R China, Oct 22-25, 2017. NEW YORK: IEEE.
Cui, Yi, Ma, Hui and Saha, Tapan (2016). Multi-source information fusion for power transformer condition assessment. IEEE Power and Energy Society General Meeting, Boston, MA, United States, 17-21 July 2016. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2016.7741121
Saha, T. K., Martin, D., Ma, H., Ekanayake, C., Russell, G., Buckley, G., Gray, T. and Caldwell, G. (2016). Smart monitoring of power transformers: project update. CIGRE Session 46, Paris, France, 21-26 August 2016. CIGRE.
Seo, Junhyuck, Ma, Hui and Saha, Tapan K. (2015). Vibration measurement and signal processing for condition assessment of OLTC of transformer. IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), Brisbane, QLD, Australia, 15-18 November 2015. Piscataway, NJ, United States: Institute of Electrical and Electronic Engineers (IEEE). doi: 10.1109/APPEEC.2015.7381074
Ma, Hui, Chan, Jeffery, Saha, Tapan, Seo, Junhyuck and Ekanayake, Chandima (2015). Advanced signal processing techniques for transformer condition assessment. IEEE International Conference on the Properties and Applications of Dielectric Materials, ICPADM, Sydney, Australia, 19-22 July 2015. Piscataway, NJ, United States: Institute for Electrical and Electronic Engineers. doi: 10.1109/ICPADM.2015.7295217
Cui, Yi, Martin, Daniel, Saha, Tapan, Ma, Hui, Ekanayake, Chandima and Lelekakis, Nick (2015). Multi-variable approach for evaluating transformer paper insulation. International Conference on the Properties and Applications of Dielectric Materials (ICPADM), Sydney, NSW, Australia, 19-22 July 2015. Piscataway, NJ, United States: IEEE (Institute for Electrical and Electronic Engineers). doi: 10.1109/ICPADM.2015.7295273
Seo, Junhyuck, Ma, Hui and Saha, Tapan K. (2015). Sinusoidal noise suppression technique for partial discharge measurement of transformers. IEEE Power and Energy Society General Meeting, PESGM, Denver, CO, United States, 26-30 July 2015. Piscataway, NJ, United States: Institute of Electrical and Electronic Engineers (IEEE). doi: 10.1109/PESGM.2015.7285855
Bandara, Kapila, Ekanayake, Chandima, Saha, Tapan and Ma, Hui (2015). Investigation of moisture influence on dielectric response of ester oil impregnated pressboard. Power and Energy Society General Meeting, Denver, CO, United States, 26-30 July 2015. Piscataway, NJ, United States: IEEE (Institute for Electrical and Electronic Engineers). doi: 10.1109/PESGM.2015.7286020
Cui, Yi, Ma, Hui, Saha, Tapan, Ekanayake, Chandima and Martin, Daniel (2015). Time Domain Diffusion-Driven Dielectric Response Model for Investigation of Moisture Dynamics in Transformers Insulation. IEEE Power and Energy Society General Meeting, Denver, CO United States, 26-30 July 2015. NEW YORK: IEEE Computer Society. doi: 10.1109/PESGM.2015.7285860
Seo, Junhyuck, Ma, Hui and Saha, Tapan (2015). Signal extraction methods for online partial discharge (PD) measurement of power transformers. 2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM), Sydney, Australia, 19-22 July 2015. New York, NY United States: IEEE. doi: 10.1109/ICPADM.2015.7295256
Cui, Yi, Ma, Hui and Saha, Tapan (2015). Transformer hot spot temperature prediction using a hybrid algorithm of support vector regression and information granulation. IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), Brisbane, Australia, 15-18 November 2015. Piscataway, NJ, United States: Institute of Electrical and Electronic Engineers (IEEE). doi: 10.1109/APPEEC.2015.7381066
Seo, Junhyuck, Ma, Hui and Saha, Tapan K. (2014). Differential partial discharge extraction technique for online power transformer insulation assessment. 2014 IEEE PES General Meeting: Conference and Exposition, National Harbor, MD, United States, 27-31 July 2014. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2014.6938894
Cui, Yi, Ma, Hui, Saha, Tapan and Ekanayake, Chandima (2014). A diffusion-driven model for investigating moisture effects on dielectric response measurement of transformer insulation. 2014 IEEE Power and Energy General Meeting (PES 2014), National Harbor, MD,United States, 27-31 July 2014. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2014.6938883
Chan, Jerrery C., Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2014). Stochastic noise removal on partial discharge measurement for transformer insulation diagnosis. 2014 IEEE PES General Meeting: Conference and Expositio, National Harbor, MD, United States, 27-31 July 2014. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2014.6938913
Saha, T. K., Ma, H., Ekanayake, C., Martin, D. and Allan, D. (2014). Pattern recognition techniques for determining the health index of oil-paper insulation of in-service power transformers. 45th International Conference on Large High Voltage Electric Systems 2014, CIGRE 2014, Paris, France, 24-29 August 2014. CIGRE.
Ma, Hui, Chan, Jeffery C. and Saha, Tapan K. (2013). Bayesian neural network and discrete wavelet transform for partial discharge pattern classification in high voltage equipment. PES-GM 2013: IEEE Power and Energy Society General Meeting, Vancouver, BC, Canada, 21-25 July, 2013. Red Hook, NY, USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/PESMG.2013.6672075
Martin, Daniel, Ma, Hui, Ekanayake, Chandima, Saha, Tapan, Lelekakis, Nick and Williams, Kerry (2013). State of the Art Review On Managing Vegetable Oil Filled Transformers. Cigre Study Communities B3 / D1 Colloquium Brisbane 2013, Brisbane, QLD, Australia, 8 - 13 September 2013. Brisbane, QLD, Australia: CIGRE.
Seo, Junhyuck, Ma, Hui and Saha, Tapan K. (2013). Practical issues of online partial discharge measurement for in-service substation transformer. 2013 Australasian Universities Power Engineering Conference, AUPEC 2013, Hobart, TAS, Australia, 29 September - 3 October 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/AUPEC.2013.6725478
Cui, Yi, Ma, Hui and Saha, Tapan K. (2013). Power transformer condition assessment using support vector machine with heuristic optimization. Australasian Universities Power Engineering Conference, AUPEC 2013, Hobart, TAS, Australia, 29 September - 03 October 2013. Piscataway, NJ United States: IEEE. doi: 10.1109/AUPEC.2013.6725452
Chan, Jeffery C., Ma, Hui and Saha, Tapan K. (2013). Partial discharge pattern recognition using multiscale feature extraction and support vector machine. 2013 IEEE Power and Energy Society General Meeting, PES 2013, Vancouver, BC, Canada, 21-25 July, 2013. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/PESMG.2013.6672194
Chan, Jeffery, Ma, Hui and Saha, Tapan (2013). A comparative study on signal processing for partial discharge measurement. Cigré Colloquium. Managing Substations in the Power System of the Future: Trends in Technology, Design, Materials and Diagnostics, Brisbane, QLD, Australia, 8-13 September, 2013.
Chan, Jeffery C., Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2013). Adaptive blind equalization for automatic partial discharge signal processing and pattern classification. 2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Chenzhen, China, 20-23 October 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/CEIDP.2013.6748108
Cui, Yi, Ekanayake, Chandima, Saha, Tapan K., Du, Peidong and Ma, Hui (2013). Finite element method modeled dielectric response for condition evaluation of transformer insulation. 2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Chenzhen, China, 20-23 October 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/CEIDP.2013.6748314
Ma, Hui, Seo, Junhyuck, Saha, Tapan K., Chan, Jeffery and Martin, Daniel (2013). Partial discharge sources classification of power transformer using pattern recognition techniques. 2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Chenzhen, China, 20-23 October 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/CEIDP.2013.6747430
Martin, D., Lelekakis, N., Ekanayake, C., Saha, T. and Ma, H. (2013). Improving measurement techniques of power transformer insulation: a study of the intermolecular interactions between water and vegetable oil based dielectrics. CEIDP 2013: Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Chenzhen, China, 20-23 October, 2013. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/CEIDP.2013.6748239
Yousof, M. F. M., Ekanayake, Chandima, Saha, Tapan K. and Ma, Hui (2012). A study on suitability of different transformer winding models for frequency response analysis. 2012 IEEE Power and Energy Society General Meeting, San Diego, United States, 22-26 July 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2012.6345217
Ma, H., Saha, T. K., Ekanayake, C. and Allen, D. (2012). Modern machine learning techniques for power transformer condition assessment. CIGRE Session 44, Paris, France, 26-31 August 2012. Paris, France: Council on Large Electric Systems (CIGRE).
Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2012). Interpretation of dielectric response measurements of transformer insulation under temperature variations and transient effects. 2012 IEEE Power and Energy Society General Meeting, San Diego, United States, 22-26 July 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2012.6344903
Chan, Jeffery C., Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2012). A novel level-based automatic wavelet selection scheme for partial discharge measurement. 2012 22nd Australasian Universities Power Engineering Conference, Bali, Indonesia, 26-29 September 2012. Piscataway, NJ, United States: IEEE.
Dehghani Ashkezari, Atefeh, Ma, Hui, Ekanayake, Chandima and Saha, Tapan K. (2012). Multivariate analysis for correlations among different transformer oil parameters to determine transformer health index. 2012 IEEE Power and Energy Society General Meeting, San Diego, United States, 22- 26 July 2012. Piscataway, NJ, United States: IEEE. doi: 10.1109/PESGM.2012.6345231
Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2011). Predictive learning and information fusion for condition assessment of power transformer. 2011 IEEE Power and Energy Society General Meeting, Detroit, MI, United States, 24-29 July 2011. Piscataway, NJ, United States: IEEE. doi: 10.1109/PES.2011.6039069
Dehghani Ashkezari, Atefeh, Ma, Hui, Saha, Tapan K. and Chandima Ekanayake (2011). Investigation of non-linearity in dielectric response measurements for transformer insulation diagnosis. IEEE Power and Energy Society’s Innovative Smart Grid Technologies Asia 2011 Conference (IEEE PES ISGT Asia 2011), Perth, W.A., Australia, 13-16 November 2011. Piscataway, NJ, United States: IEEE. doi: 10.1109/ISGT-Asia.2011.6167113
Ma, Hui (2011). Sensing nodes selection scheme for distributive target tracking in wireless sensor networks. 37th Annual Conference of the IEEE Industrial Electronics Society (IECON 2011), Melbourme, Australia, 7-10 November 2011. Piscataway, NJ, United States: I E E E. doi: 10.1109/IECON.2011.6119643
Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2011). Machine learning techniques for power transformer insulation diagnosis. 21st Australasian Universities Power Engineering Conference (AUPEC), 2011, Brisbane, Australia, 25-28 September 2011. Piscataway, NJ, United States: IEEE.
Dehghani Ashkezari, Atefeh, Saha, Tapan K., Ekanayake, Chandima and Ma, Hui (2011). Evaluating the accuracy of different DGA techniques for improving the transformer oil quality interpretation. AUPEC 2011: Australasian Universities Power Engineering Conference. Integrating Renewables into the Grid, Brisbane, QLD Australia, 25-28 September 2011. Piscataway, NJ United States: Institute for Electrical and Electronic Engineers.
Ekanayake, Chandima, Ma, Hui and Saha, Tapan (2010). Past experience and future developments toward the safeguarding of power transformers. 6th International Conference on Electrical and Computer Engineering, ICECE 2010, Dhaka, Bangladesh, 18-20 December 2010. Piscataway, NJ, United States: IEEE. doi: 10.1109/ICELCE.2010.5700682
Ekanayake, Chandima, Saha, Tapan K., Ma, Hui and Allan, David (2010). Application of polarization based measurement techniques for diagnosis of field transformers. IEEE Power and Energy Society 2010 General Meeting, Minneapolis, Minnesota, USA, 25 July - 29 July 2010. New York, N.Y.: Institute of Electrical and Electronics Engineers, Inc. : IEEE Power Engineering Society. doi: 10.1109/PES.2010.5589446
Ma, Hui, Saha, Tapan K. and Ekanayake, Chandima (2010). Power transformer insulation diagnosis under measurement originated uncertainties. IEEE Power and Energy Society 2010 General Meeting, Minneapolis, MN, USA, 25-29 July 2010. Piscataway, NJ, United States: IEEE. doi: 10.1109/PES.2010.5589395
Ekanayake, Chandima, Saha, Tapan, Thomas, Andrew and Ma, Hui (2009). Reliability of dielectric response measurements for estimating moisture in oil impregnated paper insulation. Energy 21C: The 10th International Transmission and Distribution Conference & Exhibition (Electricity and Gas Networks), Melbourne, VIC, Australia, 6-9 September 2009.
Ma, H, Saha, T.K., Thomas, A. and Ekanayake, C. (2009). Intelligent framework and techniques for power transformer insulation diagnosis. IEEE Power and Energy Society (PES) 2009 General Meeting, Calgary, Alberta, Canada, 26-30 July 2009. Piscataway, NJ, United States: IEEE. doi: 10.1109/PES.2009.5275876
Ma, Hui and Ng, Brian W. -H. (2007). Distributive target tracking in wireless sensor networks under measurement origin uncertainty. 3rd Intelligent Sensors, Sensor Networks and Information Processing Conference, Adelaide Australia, Dec 03-06, 2007. NEW YORK: IEEE.
Ma, Hui and Ng, Brian W. -H. (2006). Distributive JPDAF for multi-target tracking in wireless sensor networks. IEEE Region 10 Conference (TENCON 2006), Hong Kong Peoples R China, Nov 14-17, 2006. NEW YORK: QUEENSLAND UNIVERSITY TECHNOLOGY.
Ma, H, Zhang, JB, Zhao, YZ, Tan, CH and Qu, RT (2003). Knowledge discovery application framework for manufacturing execution, diagnosis and optimization. IEEE International Conference on Industrial Informatics (INDIN 2003), Banff Canada, Aug 21-24, 2003. NEW YORK: IEEE.
Wu, GG, Xie, HK, Ma, H, Jiang, XW, Chen, ZQ and Sun, DL (1997). Pattern recognition of PD in large turbine generators with a neural network system. 5th International Conference on Properties and Applications of Dielectric Materials, Seoul South Korea, May 25-30, 1997. NEW YORK: I E E E.

Data Collection

Xu, Shijie and Ma, Hui (2023). Gatton Sky Image and PV Generation 2020. The University of Queensland. (Dataset) doi: 10.48610/bd7e108

Research Report

Saha, Tapan K., Ma, Hui, Ekanayake, Chandima and Martin, Dan (2017). Development of smart power transformers with intelligent monitoring, diagnostic and life management systems. St Lucia, QLD Australia: University of Queensland.