Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Rahisham Abd Rahman"'
Autor:
M.H.A. Hamid, M.T. Ishak, N.S. Suhaimi, J. Adnan, N.I. Hashim, M. Ariffin, N.I.A. Katim, Rahisham Abd Rahman
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 11, Pp 9095-9105 (2022)
This paper presents the investigation on the dielectric properties (dissipation factor, relative permittivity, and resistivity) and AC breakdown voltage behaviour of Palm Oil (PO) and Rice Bran Oil (RBO). The dielectric properties experiment was carr
Externí odkaz:
https://doaj.org/article/3e6fc7eac1ee48a481f3391c4f1e3140
Publikováno v:
Polymer Testing, Vol 121, Iss , Pp 107985- (2023)
Due to their many benefits, especially their high hydrophobicity, silicone rubber-based composite materials gradually substitute conventional porcelain and glass insulators. However, polymeric-based materials are degraded when subjected to various ex
Externí odkaz:
https://doaj.org/article/87f38e2b20ef4fd89da5fcd460580083
Autor:
Rizwan Ahmed, Rahisham Abd Rahman, Adel S. Aldosary, Baqer Al-Ramadan, Rahmat Ullah, Arshad Jamal
Publikováno v:
Applied Sciences, Vol 13, Iss 15, p 8940 (2023)
This paper investigates C4H2F6, a promising environmentally friendly insulating gas that possesses high dielectric strength and a low global warming potential. The study focuses on examining the insulation properties of C4H2F6 when combined with CO2/
Externí odkaz:
https://doaj.org/article/c08a2b35e73841d591c681aba273199c
Autor:
Nauman Ahmed, Huigang Wang, Rizwan Ahmad, Ali Ahmed Salem, Rahisham Abd Rahman, Muhammad Kashif, Shahzad Arshad, Kwan. Y. Lau
Publikováno v:
PLoS ONE, Vol 17, Iss 6 (2022)
SONAR signal processing plays an indispensable role when it comes to parameter estimation of Direction of Arrival (DOA) of acoustic plane waves for closely spaced target exclusively under severe noisy environments. Resolution performance of classical
Externí odkaz:
https://doaj.org/article/c59d98c683f44f1f8e5396c24e6e1473
Autor:
Matiullah Ahsan, Md Nor Ramdon Bin Baharom, Zainab Zainal, Luqman Hakim Mahmod, Irshad Ullah, Mohd Fairouz Mohd Yousof, Nor Akmal Mohd Jamail, Muhammad Saufi Kamarudin, Rahisham Abd Rahman
Publikováno v:
Energies, Vol 15, Iss 21, p 8221 (2022)
High-voltage transmission technology has advanced quickly with the overall development and increased use of renewable energy. More demands on the insulating system are made when high-voltage power systems evolve. One of the significant factors is the
Externí odkaz:
https://doaj.org/article/127b4c6e122d401f864e02a0ee52657d
Autor:
Israr Ullah, Rahmat Ullah, Muhammad Amin, Rahisham Abd Rahman, Aftab Khan, Nasim Ullah, Sattam Alotaibi
Publikováno v:
Polymers, Vol 14, Iss 19, p 3927 (2022)
Polymeric insulators have replaced ceramic insulators due to their obvious properties like low surface energy, which exhibits good hydrophobic performance, low weight, etc. However, electric utilities have concerns about their long-term performance.
Externí odkaz:
https://doaj.org/article/82f8c46a69664a7382e3bc714e17a354
Autor:
Ali Ahmed Salem, Kwan Yiew Lau, Zulkurnain Abdul-Malek, Wenbin Zhou, Salem Al-Ameri, Samir A. Al-Gailani, Rahisham Abd Rahman
Publikováno v:
Polymers, Vol 14, Iss 6, p 1236 (2022)
In this paper, a unique approach based on electrical characteristics observed from measurements of contaminated polymeric insulators was established to calculate the electric field distribution over their surfaces. A case study using two different 33
Externí odkaz:
https://doaj.org/article/6cb9e873271043c28fac163882d05bd1
Autor:
Rizwan Ahmed, Rahisham Abd Rahman, Arshad Jamal, Ali Ahmed Salem, Bander Saman, Kwan Yiew Lau, Sherif S. M. Ghoneim
Publikováno v:
Polymers, Vol 14, Iss 3, p 516 (2022)
In-depth understanding of the pollution problems such as dry bands and the polymeric aging process requires better determination of electric field strength and its distribution over the polymeric surface. To determine the electric field distribution
Externí odkaz:
https://doaj.org/article/afd91b7c92e548389010729d867ea660
Autor:
Mardhiah Hayati Abdul Hamid, Mohd Taufiq Ishak, Nur Sabrina Suhaimi, Jaafar Adnan, Nazrul Fariq Makmor, Nurul Izzatul Akma Katim, Rahisham Abd Rahman
Publikováno v:
Energies, Vol 14, Iss 16, p 5084 (2021)
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 transformers for more than 150 years. Recently, researchers have attempted to search for alte
Externí odkaz:
https://doaj.org/article/513cd65e306645778176cd4c6bc445c2
Publikováno v:
Jurnal Teknologi. 85:33-41
Insulation oil is one of the most important components in an oil-insulated transformer. With the use of the dissolved gas analysis (DGA) tool, the condition of the transformer can be studied and predicted to prevent unwanted events from occurring. Ho