Search Results - "Rahisham Abd-Rahman"

Aging mechanism of HTV silicone rubber loaded with hybrid nano/micro silica and alumina exposed to concurrent multistress by Ullah, Rahmat, Abd Rahman, Rahisham, Ahmed, Rizwan, Wali, Khan, Ullah, Israr

“…Due to their many benefits, especially their high hydrophobicity, silicone rubber-based composite materials gradually substitute conventional porcelain and…”
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High resolution DOA estimation of acoustic plane waves: An innovative comparison among Cuckoo search heuristics and subspace based algorithms by Ahmed, Nauman, Wang, Huigang, Ahmad, Rizwan, Salem, Ali Ahmed, Abd Rahman, Rahisham, Kashif, Muhammad, Arshad, Shahzad, Lau, Kwan Y

“…SONAR signal processing plays an indispensable role when it comes to parameter estimation of Direction of Arrival (DOA) of acoustic plane waves for closely…”
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Lifetime Estimation and Orientation Effect Based on Long-Term Degradation Analysis of Thermoset and Thermoplastic Insulators by Ullah, Israr, Ullah, Rahmat, Amin, Muhammad, Rahman, Rahisham Abd, Khan, Aftab, Ullah, Nasim, Alotaibi, Sattam

“…Polymeric insulators have replaced ceramic insulators due to their obvious properties like low surface energy, which exhibits good hydrophobic performance, low…”
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Investigation of High Voltage Polymeric Insulators Performance under Wet Pollution by Salem, Ali Ahmed, Lau, Kwan Yiew, Abdul-Malek, Zulkurnain, Zhou, Wenbin, Al-Ameri, Salem, Al-Gailani, Samir A, Rahman, Rahisham Abd

“…In this paper, a unique approach based on electrical characteristics observed from measurements of contaminated polymeric insulators was established to…”
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Historical Review of Advancements in Insulated Cross-Arm Technology by Ahsan, Matiullah, Baharom, Md Nor Ramdon Bin, Zainal, Zainab, Mahmod, Luqman Hakim, Ullah, Irshad, Yousof, Mohd Fairouz Mohd, Mohd Jamail, Nor Akmal, Kamarudin, Muhammad Saufi, Rahman, Rahisham Abd

“…High-voltage transmission technology has advanced quickly with the overall development and increased use of renewable energy. More demands on the insulating…”
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Classification of Fault and Stray Gassing in Transformer by Using Duval Pentagon and Machine Learning Algorithms by Jia Yong, Haw, Mohd Yousof, Mohd Fairouz, Abd Rahman, Rahisham, Talib, Mohd Aizam, Azis, Norhafiz

“…An oil-filled transformer should be able to operate for a long time with proper maintenance. One of the best diagnostic methods for oil-immersed transformer…”
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Field-Dependent Pollution Model under Polluted Environments for Outdoor Polymeric Insulators by Ahmed, Rizwan, Abd Rahman, Rahisham, Jamal, Arshad, Salem, Ali Ahmed, Saman, Bander, Lau, Kwan Yiew, Ghoneim, Sherif S M

“…In-depth understanding of the pollution problems such as dry bands and the polymeric aging process requires better determination of electric field strength and…”
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Pollution Flashover Characteristics of High-Voltage Outdoor Insulators: Analytical Study by Salem, Ali Ahmed, Abd Rahman, Rahisham, Al-Ameri, Salem

“…This paper introduces an analytical model of contaminated insulators under critical conditions. The dynamic mathematical model based on the description of the…”
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Sweep frequency response analysis of three-phase induction motors using high frequency circuit model by Khan, Rizwanullah, Yousof, Mohd Fairouz Mohd, Al-Ameri, Salem, Abd-Rahman, Rahisham, Azis, Norhafiz

“…•Innovative Approach: Introduces a novel method for Sweep Frequency Response Analysis (SFRA) using a high-frequency circuit model to assess the condition of…”
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The Insulation Performance of Novel Refrigerant Gas as an Alternative to SF6 For Medium Voltage Switchgear by Ahmed, Rizwan, Abd-Rahman, Rahisham, Ullah, Zahid, Ullah, Rahmat, Sami, Irfan, Yousof, Mohd F. M.

“…Gas-insulated systems are widely utilized in the electric power sector to transmit and distribute electrical energy. Sulphur-hexafluoride (SF 6 ) has dominated…”
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Partial Discharge Characterization of HFO(E) Gas Using Ultra-High Frequency (UHF) Antenna for Medium Voltage Switchgear Application by Ahmed, Rizwan, ABD-Rahman, Rahisham, Ullah, Zahid, Ullah, Rahmat, Fairouz Mohd Yousof, Mohd, Ullah, Kaleem

“…The most frequent and dangerous hazard to the electrical insulation of high voltage (HV) and high field (HF) equipment is partial discharges (PD). The…”
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Influence of contamination distribution in characterizing the flashover phenomenon on outdoor insulator by Ali Ahmed Salem, Rahisham Abd-Rahman, Mohd Taufiq Bin Ishak, Kwan Yiew Lau, Zulkurnain Abdul-Malek, Salem Al-ameri, Samir A. Al-Gailani, Sherif S.M. Ghoneim

“…The aim of this work is to model the influence of uneven contamination distribution under various humidity on the pollution flashover voltage of 11 kV…”
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Risk Assessment of Polluted Glass Insulator Using Leakage Current Index Under Different Operating Conditions by Salem, Ali Ahmed, Abd-Rahman, Rahisham, Al-Gailani, Samir Ahmed, Salam, Zainal, Kamarudin, Muhammad Saufi, Zainuddin, Hidayat, Yousof, Mohd Fairouz Mohd

“…In this article, an innovative approach to assess the risk of uniform/non-uniform pollution and wet high voltage glass insulator is proposed. The assessment is…”
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Analysis of the Insulation Characteristics of Hexafluorobutene (C4H2F6) Gas and Mixture with CO2/N2 as an Alternative to SF6 for Medium-Voltage Applications by Ahmed, Rizwan, Rahman, Rahisham Abd, Aldosary, Adel S., Al-Ramadan, Baqer, Ullah, Rahmat, Jamal, Arshad

“…This paper investigates C4H2F6, a promising environmentally friendly insulating gas that possesses high dielectric strength and a low global warming potential…”
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Electrical properties of palm oil and rice bran oil under AC stress for transformer application by Hamid, M.H.A., Ishak, M.T., Suhaimi, N.S., Adnan, J., Hashim, N.I., Ariffin, M., Katim, N.I.A., Abd Rahman, Rahisham

“…This paper presents the investigation on the dielectric properties (dissipation factor, relative permittivity, and resistivity) and AC breakdown voltage…”
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Lightning Impulse Breakdown Voltage of Rice Bran Oil for Transformer Application by Abdul Hamid, Mardhiah Hayati, Ishak, Mohd Taufiq, Suhaimi, Nur Sabrina, Adnan, Jaafar, Makmor, Nazrul Fariq, Katim, Nurul Izzatul Akma, Abd Rahman, Rahisham

“…Transformer oil does not only serve as an insulating liquid, but also in removing heat from the windings and cores. Mineral oil (MO) has been widely used in…”
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Controlling electrical stress of polymeric insulators using zinc oxide microvaristor by Ahmed Salem, Ali, Abd-rahman, Rahisham, Abdul-Malek, Zulkurnain, Yiew Lau, Kwan, Ashida Salim, Nur

“…•Non-linear field grading materials (FGM) based on zinc oxide (ZnO) microvaristors were fabricated.•The field grading materials (FGM) electrical…”
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Characterization of the impact of coating defects on ceramic insulator efficiency: Machine learning approaches by Salem, Ali Ahmed, Alawady, Ahmed Allawy, AL-Gailani, Samir A., Amer, Abdulrahman Ahmed Ghaleb, Al-Ameri, Salem Mgammal, Abd-Rahman, Rahisham, AL-Gailani, Nasir Ahmed

“…•Flashover voltage and leakage current of nine coating damagestested experimentally•SOM was utilized for clustering flashover voltage and leakage current…”
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Analysis of the Insulation Characteristics of Hexafluorobutene Gas and Mixture with CO[sub.2]/N[sub.2] as an Alternative to SF[sub.6] for Medium-Voltage Applications by Ahmed, Rizwan, Rahman, Rahisham Abd, Aldosary, Adel S, Al-Ramadan, Baqer, Ullah, Rahmat, Jamal, Arshad

“…This paper investigates C[sub.4]H[sub.2]F[sub.6], a promising environmentally friendly insulating gas that possesses high dielectric strength and a low global…”
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High resolution DOA estimation of acoustic plane waves: An innovative comparison among Cuckoo search heuristics and subspace based algorithms by Nauman Ahmed, Huigang Wang, Rizwan Ahmad, Ali Ahmed Salem, Rahisham Abd Rahman, Muhammad Kashif, Shahzad Arshad, Kwan Y Lau

“…SONAR signal processing plays an indispensable role when it comes to parameter estimation of Direction of Arrival (DOA) of acoustic plane waves for closely…”
Get full text