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Open AccessArticle

Predicting the Dielectric Properties of Nanocellulose-Modified Presspaper Based on the Multivariate Analysis Method

1
State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
2
School of Electrical Engineering, Xinjiang University, Urumqi 830047, China
3
National Computer Network Emergency Response Technical Team/Coordination Center of China, Beijing 100029, China
*
Author to whom correspondence should be addressed.
Molecules 2018, 23(7), 1507; https://doi.org/10.3390/molecules23071507
Received: 20 May 2018 / Revised: 13 June 2018 / Accepted: 19 June 2018 / Published: 21 June 2018
(This article belongs to the Special Issue The Future for Cellulose Nanomaterials)
Nanocellulose-modified presspaper is a promising solution to achieve cellulose insulation with better performance, reducing the risk of electrical insulation failures of a converter transformer. Predicting the dielectric properties will help to further design and improvement of presspaper. In this paper, a multivariable method was adopted to determine the effect of softwood fiber on the macroscopic performance of presspaper. Based on the parameters selected using the optimum subset method, a multiple linear regression was built to model the relationship between the fiber properties and insulating performance of presspaper. The results show that the fiber width and crystallinity had an obvious influence on the mechanical properties of presspaper, and fiber length, fines, lignin, and nanocellulose had a significant impact on the breakdown properties. The proposed models exhibit a prediction accuracy of higher than 90% when verified with the experimental results. Finally, the effect of nanocellulose on the breakdown strength of presspaper was taken into account and new models were derived. View Full-Text
Keywords: presspaper; tensile strength; breakdown; regression prediction; multivariate analysis presspaper; tensile strength; breakdown; regression prediction; multivariate analysis
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MDPI and ACS Style

Zhou, Y.; Huang, X.; Huang, J.; Zhang, L.; Zhou, Z. Predicting the Dielectric Properties of Nanocellulose-Modified Presspaper Based on the Multivariate Analysis Method. Molecules 2018, 23, 1507.

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