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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: Discussion on Applications of Network Time Synchronization in 500kV Substation
Source: 12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK) (pp 516-524)
Author(s): Hai-sheng Zhao, East China Electric Power Test and Reasearch Institute Co.,Ltd., Shanghai 200437,China
Fan Yang, East China Electric Power Test and Reasearch Institute Co.,Ltd., Shanghai 200437,China
Jian Zhou, East China Electric Power Test and Reasearch Institute Co.,Ltd., Shanghai 200437,China
Abstract: The development of network communication technology provided the basis of realizing time synchronization in substation through network time protocol. Characteristics and basic principles of several common network time synchronzation protocols were introduced, in which the PTP synchronous mechanism based on IEEE1588 precision time protocol was emphatically analyzed. The development trend of network communication in 500kV substation and the accuracy of time synchronization required by different equipments in substation were discussed. Based on test data of IEEE1588 protocol, the feasibility of realizing time synchronization through network in conventional and digital substation were analyzed. Finally, according to electric power industry standards, several applications of network time synchronization protocol in 500kV substation were discussed.
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