Selection Analysis of Northwest Yunnan to Guangdong EHV DC Converter Station's Ice Melting Scheme
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Abstract
Icing flashover is an important cause of icing transmission lines' trip fault. In China's Yunnan, Guizhou and other relatively high elevation of the mountain, especially the developed, in river basin areas of complex topography, the installation of the ice melting device can reduce the icing flashover accident rate and improve the safety of winter operation of transmission network. In this paper, through the analysis of the sending station selection of ice melting scheme in the Northwest Yunnan Province to Guangdong EHV DC transmission project, from the technical scheme, the thesis compares the construction management, operation and maintenance, project investment etc, put forward the technical economy has obvious advantages on DC ice melting scheme, and provide reference for the follow-up project.
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