A Hybrid Model of RVM and PSO for Dissolved Gases Content Forecasting in Transformer Oil

ISSN: 2213-1132 (Online)
ISSN: 2213-1116 (Print)


Volume 7, 2 Issues, 2014


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Recent Patents on Electrical & Electronic Engineering

Formerly: Recent Patents on Electrical Engineering

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Editor-in-Chief:
Huiyu Zhou
Queen's University Belfast
Belfast
United Kingdom


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A Hybrid Model of RVM and PSO for Dissolved Gases Content Forecasting in Transformer Oil

Author(s): Sheng-wei Fei, Yong He, Xiao-jian Ma and Yu-bin Miao

Affiliation: School of Mechanical Engineering, Donghua University, Shanghai 201620, China.

Abstract

Prediction of dissolved gases content in power transformer oil is very significant to detect incipient failures of transformer early. A hybrid model of RVM and PSO (PRVM) is applied to predict dissolved gases content in transformer oil in this paper, and particle swarm optimization is applied to choose the appropriate embedded dimension m because the choice of the embedded dimension has a great influence on its generalization performance. In this study, traditional support vector machine is used in comparison with the proposed PRVM method. In order to testify the superiority of PRVM compared with the traditional support vector machine fully, single-step prediction mode and multi-step prediction mode are employed respectively. The experimental results indicate that the prediction ability of PRVM is more excellent than that of SVM in single-step and multi-step prediction. The article also refers some recent patents on a hybrid model of RVM and PSO.

Keywords: Dissolved gases content, multi-step prediction, relevance vector machine, regression model, time series.

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Article Details

Volume: 6
Issue Number: 3
First Page: 183
Last Page: 189
Page Count: 7
DOI: 10.2174/22131116113066660010
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