NDLI: Exploration on bus differential protection intelligent transformation of 500 kV conventional substation

Content Provider	IEEE Xplore Digital Library
Author	Yang Yue Lv Xu Dong Liu Yong Jie Zhang GanFeng
Copyright Year	2014
Description	Author affiliation: Maintenance Co. of STATE GRID ZheJiang Electr. Power Co., Hangzhou, China (Yang Yue; Lv Xu Dong; Liu Yong Jie; Zhang GanFeng)
Abstract	This paper takes the intelligent transformation of Zhejiang 500kV Lanting Substation for example, as the practical intelligent transformation experience of conventional substation is so little at present, the paper puts forward four different retrofit schemes after deeply discuss on the retrofit scheme of bus differential protection intelligent transformation in a conventional substation, and compares their advantages and disadvantages as well as applicability. First scheme is the retrofit scheme by the transitional the sub computer of the bus differential protection; Second scheme is the retrofit scheme by conventional CT and intelligent terminal direct access digital bus differential protection; Third scheme is the retrofit scheme by digitization of interval after unified access digital bus protection; Fourth scheme is the retrofit scheme by bus splitting intelligent. After the paper to substation operation reliability and the project of transforming operational as a higher priority, and to compare their advantages and disadvantages as well as applicability· Decide to take some kind of retrofit scheme, and carry out detailed analysis and research retrofit scheme taken. It has a certain practical value, and explores transformation model of similar projects and provides practical ideas for implementing intelligent transformation of 500 kV substations with security and reliability.
Starting Page	1992
Ending Page	1999
File Size	710649
Page Count	8
File Format	PDF
ISBN	9781479950324
DOI	10.1109/POWERCON.2014.6993920
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Substations Wiring Reliability Artificial intelligence Protective relaying Power system reliability retrofit scheme 500kV bus differential protection intelligent transformation
Content Type	Text
Resource Type	Article

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