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The effect of ceria nanoparticles on the breakdown strength of transformer oil
ABB, Sweden.
ABB, Sweden.
ABB, Sweden.
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.ORCID-id: 0000-0001-8775-0602
Vise andre og tillknytning
2015 (engelsk)Inngår i: 2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM), Institute of Electrical and Electronics Engineers (IEEE), 2015, s. 289-292Konferansepaper, Publicerat paper (Fagfellevurdert)
Resurstyp
Text
Abstract [en]

Nanotechnologies have potential to be used in transformer industry in enhancing material properties which may lead to a compact design of transformer and reduced manufacturing cost. Effect of adding different nanoparticles such as titania, silica, nano-diamond, etc. has been studied in literatures. In this paper, nano-ceria particles have been successfully added into transformer mineral oil with different content. The suspension is very stable and no segmentation can be observed over several months. The ceria nanoparticles are commercially available, which have a quite narrow size distribution. UV-Vis, TGA and FT-IR are used to characterize the ceria nanofluids. The water content of the ceria nanofluids has been measured by Karl Fisher titration, which is important for the breakdown strength of transformer oil. AC voltage breakdown and lightning impulse voltage breakdown measurements have been performed on the ceria nanofluids. An enhancement of 15% on AC breakdown voltage has been observed on ceria nanofluids with some content compared to reference transformer oil. On the other hand, no clear difference on the lightning impulse breakdown voltage is observed between the ceria nanofluids and reference transformer oil.

sted, utgiver, år, opplag, sider
Institute of Electrical and Electronics Engineers (IEEE), 2015. s. 289-292
Emneord [en]
ceria, dielectric breakdown, nanofluid, transformer
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-143DOI: 10.1109/ICPADM.2015.7295265Scopus ID: 2-s2.0-84962538594ISBN: 978-1-4799-8903-4 (digital)OAI: oai:DiVA.org:ri-143DiVA, id: diva2:933976
Konferanse
11th IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM 2015), July 19-22, 2015, Sydney, Australia
Merknad

SP Chemistry, Materials and Surfaces publication nr: A3662

Tilgjengelig fra: 2016-06-07 Laget: 2016-06-07 Sist oppdatert: 2019-07-12bibliografisk kontrollert

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