12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK)

Fuzhou,China,11.1-11.3,2010

ISBN: 978-1-935068-23-5 Scientific Research Publishing, USA

E-Book 660pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $120

Title: Analysis of 220kV Main Transformer Cooling Equipment All Stop
Source: 12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK) (pp 47-49)
Author(s): Jian-bo Zhao, Henan Pingdingshan Power Supply Company, Pingdingshan 467001,China
Yu-sheng Wang, Henan Pingdingshan Power Supply Company, Pingdingshan 467001,China
Zhong-yi Zhao, Henan Pingdingshan Power Supply Company, Pingdingshan 467001,China
Abstract: This article describes the inspection, analysis and processing of the cooling equipment all stop of a forced oil circulation ail-cooled 220kV transformer, analysis of the air-cooled unit full stop without reported any fault signal malfunction. Automatic air-cooled input control circuit and delay start tripping if cooling equipment full stop circuit were modified. The maloperation and misoperation of transformer air-cooled all stop secondary circuit was solved. The hidden danger to the main transformer safe operation was removed.
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