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Article

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

1
Department of Physics and Medical Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland
2
Center for Advanced Technologies, Ferdowsi University of Mashhad, 91775-1111 Mashhad, Iran
*
Author to whom correspondence should be addressed.
Energies 2018, 11(11), 2942; https://doi.org/10.3390/en11112942
Received: 3 October 2018 / Revised: 22 October 2018 / Accepted: 23 October 2018 / Published: 28 October 2018
(This article belongs to the Section A: Electrical Engineering)
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. One of these techniques is the modification of existing mineral oils by the addition of different types of nanoparticles in various concentrations. These types of materials, suspensions of nanoparticles called nanofluids, have found numerous applications in the energy industry, especially in heat exchanger systems and solar cells. Much research has been done on attempts to replace mineral oils (MO), which are harmful for the environment, with natural ester oils (NE), but to make this possible, it is necessary to improve the insulating properties of these oils, for example by adding nanoparticles. This paper presents an extensive overview of the insulating properties; including for AC, DC and the lightning impulse breakdown voltage; for both mineral and natural ester oils containing various type of nanoparticles (NP). It is presented that the use of nanofluids could improve the efficiency of existing high voltage infrastructures with a low financial cost. View Full-Text
Keywords: breakdown voltage; lightning breakdown voltage; nanofluids; insulating properties breakdown voltage; lightning breakdown voltage; nanofluids; insulating properties
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MDPI and ACS Style

Fal, J.; Mahian, O.; Żyła, G. Nanofluids in the Service of High Voltage Transformers: Breakdown Properties of Transformer Oils with Nanoparticles, a Review. Energies 2018, 11, 2942. https://doi.org/10.3390/en11112942

AMA Style

Fal J, Mahian O, Żyła G. Nanofluids in the Service of High Voltage Transformers: Breakdown Properties of Transformer Oils with Nanoparticles, a Review. Energies. 2018; 11(11):2942. https://doi.org/10.3390/en11112942

Chicago/Turabian Style

Fal, Jacek, Omid Mahian, and Gaweł Żyła. 2018. "Nanofluids in the Service of High Voltage Transformers: Breakdown Properties of Transformer Oils with Nanoparticles, a Review" Energies 11, no. 11: 2942. https://doi.org/10.3390/en11112942

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