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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: Operation Analysis of a Main Transformer’s False Trip Because of the of Change the Phase Sequence
Source: 12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK) (pp 84-86)
Author(s): Xiao-mei Fu, Pingdingshan Power Supply Company,Pingdingshan 467001,China
Ke-yong Zhang, Pingdingshan Power Supply Company,Pingdingshan 467001,China
Da-qing Zhang, Pingdingshan Power Supply Company,Pingdingshan 467001,China
Abstract: Transformer wiring is an important parameter of transformer, It affects each side of the transformer voltage and current phase relationship .By introducing an accident of the transformer’s false tripping due to external fault, combined with wave recording data and the principle of computer ratio of differential protection, analysis the cause of differential current elaborate the impact of grid and relay because of the adjustment of the transformer sequence, described the change of the transformer wiring by adjusting the phase sequence of transformer, providing experience on the use of transformers for other units.
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