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New experimental insights for controlling the electrical arcs in electrical switching applications : a comparative study on PMMA nanocomposites of Au and ZnO
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- Doddapaneni, Venkatesh (author)
- KTH,Material- och nanofysik
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- Ye, Fei (author)
- KTH,Material- och nanofysik
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- Saleemi, Mohsin (author)
- KTH,Material- och nanofysik
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- (creator_code:org_t)
- Elsevier, 2017
- 2017
- English.
- In: Composites Science And Technology. - : Elsevier. - 0266-3538 .- 1879-1050.
- Journal article (other academic/artistic)
Abstract
Subject headings
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- Polymer inorganic nanocomposites (PINCs) are developed, not only due to scientific interest but also improving theelectric arc interruption process in the electrical switching applications like circuit breakers. The novelty of this work isin integrating the current developments in PINCs into electrical switching application in order to extend the limits of thepower switching devices. Several PINCs are fabricated by using pre-synthesized Au nanoparticles (NPs) of size 2.75 ±0.4 nm and poly (methyl methacrylate) (PMMA) matrix via in-situ polymerization method. Six homogeneous PINCsamples with ultra-low wt% of Au NPs varying from 0.0003 to 0.005 wt% have been fabricated. We find that thepresence of Au NPs improved the convective heat transfer and visible optical radiation absorption of PMMA. Thefabricated PINCs are tested for their arc interruption performance and the results are compared with ZnO PINCs in ourearlier work. The results of the experiments insights demonstrate the impact of PINCs on the electrical arcs and theirpotential advantages of having PINCs for the electric arc interruption process in high power switching devices.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
Keyword
- Polymer-matrix composites; Nano particles; Electrical properties; Infrared (IR) spectroscopy; Electric arc interruption process.
Publication and Content Type
- vet (subject category)
- art (subject category)
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