Potentiality of nanofilled thermoplastic insulation for DC cables and capacitors

Montanari, Gian Carlo; Seri, Paolo; Paajanen, Mika; Lahti, Kari; Rytöluoto, Ilkka; Ritamäki, Mikael; Blume, Anke; Dierkes, Wilma; Mahtabani, Amirhossein; He, Xiaozhen (2018)
 
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Montanari, Gian Carlo
Seri, Paolo
Paajanen, Mika
Lahti, Kari
Rytöluoto, Ilkka
Ritamäki, Mikael
Blume, Anke
Dierkes, Wilma
Mahtabani, Amirhossein
He, Xiaozhen
2018

8468427
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doi:10.1109/ICD.2018.8514726
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https://urn.fi/URN:NBN:fi:tty-201808292234

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This paper presents space charge accumulation characteristics of cable grade and capacitor grade nanostructured polypropylene (PP) materials, providing initial results regarding the electrical properties of nanofilled PP materials belonging to the European project GRIDABLE. This project has the aim to develop DC cable extruded insulation and MV and LV DC capacitor films having enhanced performance with respect to presently used materials. The paper shows that nanostructuration may be beneficial, especially at higher temperature, to improve the capacitor-grade material performance. On the other hand, this work validates the importance of surface functionalization of nanofillers, leading to lower space charge accumulation on DC cable-grade materials.
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