Aging of silicone rubber-based composite insulators under multi-stressed conditions: an overview M Akbar, R Ullah, S Alam Materials Research Express 6 (10), 102003, 2019 | 87 | 2019 |
Dielectric characteristic of dichlorodifluoromethane (R12) gas and mixture with N2/air as an alternative to SF6 gas R Ullah, A Rashid, A Rashid, F Khan, A Ali High voltage 2 (3), 205-210, 2017 | 53 | 2017 |
Dielectric properties of tetrafluoroethane (R134) gas and its mixtures with N2 and air as a sustainable alternative to SF6 in high voltage applications R Ullah, Z Ullah, A Haider, S Amin, F Khan Electric Power Systems Research 163, 532-537, 2018 | 34 | 2018 |
Accelerated aging effect on high temperature vulcanized silicone rubber composites under DC voltage with controlled environmental conditions B Mehmood, M Akbar, R Ullah Engineering Failure Analysis 118, 104870, 2020 | 31 | 2020 |
Measuring electrical, thermal and mechanical properties of DC-stressed HTV silicone rubber loaded with nano/micro-fillers exposed to long-term aging R Ullah, M Akbar, S Amin Applied Nanoscience 10 (7), 2101-2111, 2020 | 22 | 2020 |
Multi-stress aging investigations of HTV silicone rubber filled with Silica/ATH composites for HVAC and HVDC transmission M Akbar, R Ullah, I Qazi Engineering Failure Analysis 110, 104449, 2020 | 21 | 2020 |
Lifetime estimation based on surface degradation and characterization of HTV silicone-rubber based composites for HVAC and HVDC transmission R Ullah, M Akbar CSEE Journal of Power and Energy Systems 9 (2), 751-758, 2020 | 17 | 2020 |
Effect of AC stressed aging on partial discharge, thermal and tensile performance of silicone rubber-based composites R Ullah, M Akbar Composites Communications 24, 100634, 2021 | 15 | 2021 |
Decentralized MPC based frequency control for smart grid A Ali, B Khan, CA Mehmood, Z Ullah, SM Ali, R Ullah 2017 International Conference on Energy Conservation and Efficiency (ICECE), 1-6, 2017 | 15 | 2017 |
Interpreting surface degradation of HTV silicone rubber filled with micro/nano-silica Under AC and DC Voltages M Akbar, R Ullah, MR Abdul Karim Journal of Electronic Materials 49 (9), 5399-5410, 2020 | 13 | 2020 |
Load frequency control for EVs based smart grid system using PID and MPC R Asghar, A Ali, F Rehman, R Ullah, K Ullah, Z Ullah, MA Sarwar, B Khan 2020 3rd International conference on computing, mathematics and engineering …, 2020 | 13 | 2020 |
AC performance of HTV-SR and its hybrids loaded with nano-/micro-silica/ATH fillers F Ahmad, M Akbar, R Ullah Arabian Journal for Science and Engineering 46 (2), 1103-1114, 2021 | 11 | 2021 |
Environment-Friendly and Efficient Gaseous Insulator as a Potential Alternative to SF6 HS Kharal, M Kamran, R Ullah, MZ Saleem, MJ Alvi Processes 7 (10), 740, 2019 | 11 | 2019 |
Aging mechanism of HTV silicone rubber loaded with hybrid nano/micro silica and alumina exposed to concurrent multistress R Ullah, R Abd Rahman, R Ahmed, K Wali, I Ullah Polymer Testing 121, 107985, 2023 | 8 | 2023 |
Understanding variations in the tracking and erosion performance of HTV-SR-based composites due to AC-stressed aging R Ullah, M Akbar, N Ullah, SA Otaibi, A Althobaiti Polymers 13 (21), 3634, 2021 | 7 | 2021 |
Water absorption resistance study of HTV silicone rubber-based hybrid composites B Mehmood, M Akbar, R Ullah 2021 International Conference on Emerging Power Technologies (ICEPT), 1-5, 2021 | 6 | 2021 |
Performance evaluation of power transformer under different diagnostic techniques R Ullah, A Rashid, A Haider, Z Ullah, N Ahmad, MS Sulemani, ... 2018 International Conference on Computing, Mathematics and Engineering …, 2018 | 5 | 2018 |
Lifetime estimation and orientation effect based on long-term degradation analysis of thermoset and thermoplastic insulators I Ullah, R Ullah, M Amin, RA Rahman, A Khan, N Ullah, S Alotaibi Polymers 14 (19), 3927, 2022 | 4 | 2022 |
Chlorodifluoromethane (R22) Gas and Its Mixtures with CO2/N2/Air as an Alternative to SF6 MZ Saleem, M Kamran, S Amin, R Ullah, HS Abbas Kharal, Nasimullah, ... Journal of Electrical Engineering & Technology 16, 1573-1581, 2021 | 4 | 2021 |
Investigation on dielectric properties of chlorodifluoromethane and mixture with other N2/CO2/air as a promising substitute to SF6 in high voltage application MZ Saleem, M Kamran, S Amin, R Ullah Electrical Engineering 102, 2341-2348, 2020 | 4 | 2020 |