Results 1 to 10 of about 1,586 (160)

Study on the Anti-Aging Performance of Different Nano-Modified Natural Ester Insulating Oils Based on Molecular Dynamics [PDF]

Nanomaterials, 2023
In order to investigate the anti-aging performance of nano-modified natural ester insulating oils, in this paper, two different types of nanoparticles are selected to modify insulating oils.
Tao Zhang, Min Chen, Haohan Zhou, Guangrui Shi, Xiping Fan, Qian Wu   +5 more
doaj   +2 more sources

Infrared spectroscopy for ageing assessment of insulating oils via dielectric loss factor and interfacial tension

Open Physics, 2023
Along with the increase in demand for electricity, dependability requirements for the power supply system also increase. Transformers are the backbone of the electrical system; thus, they must function reliably and safely.
Qian Yi-Hua, Li Zhi, Zhao Yao-Hong, Wang Qing   +3 more
exaly   +2 more sources

Comparison of Dissolved Gases in Mineral and Vegetable Insulating Oils under Typical Electrical and Thermal Faults

Energies, 2016
Dissolved gas analysis (DGA) is attracting greater and greater interest from researchers as a fault diagnostic tool for power transformers filled with vegetable insulating oils.
Chenmeng Xiang, Jian Li, Qingdan Huang   +2 more
exaly   +3 more sources

An improved approach for the evaluation of the environmental impact of nano‐modified insulating oils in electrical transformers

IET Nanodielectrics
Nano‐modified electrical insulating fluids are a promising new family of insulating oils with enhanced characteristics. They can significantly improve many properties, such as fire point, breakdown voltage, partial discharge inception voltage and thermal
Chao Tang, Constantinos S Psomopoulos
exaly   +2 more sources

Up-gradation of the dielectric, physical & chemical properties of cottonseed-based, non-edible green nanofluids as sustainable alternatives for high-voltage equipment's insulation fluids [PDF]

Heliyon
The use of natural ester oils as electrically insulating fluids has gained significant attention from industries and electrical utilities as they aim to replace traditional mineral oils.
Abubakar Siddique, Muhammad Adnan, Waseem Aslam, Hafiz Ghulam Murtaza Qamar, Muhammad Nadeem Aslam, Salman A. Alqahtani   +5 more
doaj   +2 more sources

Influence of Mineral Oil-Based Nanofluids on the Temperature Distribution and Generated Heat Energy Inside Minimum Oil Circuit Breaker in Making Process

Nanomaterials, 2023
The enhancement of the thermal properties of insulating oils has positively reflected on the performance of the electrical equipment that contains these oils. Nanomaterial science plays an influential role in enhancing the different properties of liquids,
Hesham S. Karaman, Adel Z. El Dein, Diaa-Eldin A. Mansour, Matti Lehtonen, Mohamed M. F. Darwish   +4 more
doaj   +1 more source

Lubrication Performances of Polyalkylene Glycols at Steel Interface under External Electric Fields

Nanomaterials, 2022
This work studied the lubrication performances of polyalkylene glycols, which are insulating oils, at the steel interface under external electric fields.
Xiangyu Ge, Xiaodong Wu, Qiuyu Shi, Wenzhong Wang   +3 more
doaj   +1 more source

Application of IR spectroscopy to control oxidation inhibitor (ionol) concentration in mineral transformer oils [PDF]

E3S Web of Conferences, 2020
Mineral insulating oils used as dielectric and heat dissipating agent in high voltage oil-filled equipment are subject to oxidation. Oxidation results in the appearance of undesirable substances that reduce the electrical insulating properties of liquids.
Garifullin Marsel Sh., Lyutikova Marina N., Kuchkarova Adelya R., Bikzinurov Azat R., Solobodina Yuliya N.   +4 more
doaj   +1 more source

A study of correlation between the ect and ehd properties of different aged insulating oil mixtures that can Be an alternative to mineral oil for the insulation and cooling of power transformers

Heliyon, 2023
This article presents the hypothetical steps leading to the damage of power transformers in order to examine whether there is a correlation between the electrostatic properties (ECT) and the electro-hydrodynamic properties (EHD) of insulating oils ...
Jilani Rouabeh, Walid Nsibi, Lotfi M’barki, Sameh Khmeilia, Brahim Jallouli   +4 more
doaj   +1 more source

Nanofluids in the Service of High Voltage Transformers: Breakdown Properties of Transformer Oils with Nanoparticles, a Review

Energies, 2018
The continuous development of electrical systems and high voltage transformers builds the need for looking for new insulating media or to improve the insulating properties of commercially available transformer oils (TO) by various modification techniques.
Jacek Fal, Omid Mahian, Gaweł Żyła
doaj   +1 more source