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Converter transformer is one of the most important equipment in ultra-high voltage direct current transmission system, periodic preventive maintenance strategy is widely in its maintenance. Excessive maintenance often arises in the attempt to always ensure the reliable operation of converter transformers. To solve this problem, this study proposes a maintenance decision optimization method for converter...
Perfected maintenance strategies of power transformer in high voltage transmission system with improved reliability in the power system and reduced maintenance cost are required by electric utilities. Risk optimization model for maintaining the transformer is developed by a combination of transformer condition and network characteristic with applied scoring and weighting approach. Electrical and oil...
This article aims at optimizing the choice of the power rating of the 33/225 KV transformers of the wind farms under the Moroccan program of 850 MW wind, important part of the Moroccan renewable energy strategy up to 2020. This optimization is based on a technical and economic approach that integrates parameters such as turbine power distributions, selling price of the kWh and discount rate. The power...
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