A message priority local area network for substation protection and control

Choi, Jose (1989) A message priority local area network for substation protection and control. Masters thesis, Memorial University of Newfoundland.

[English] PDF (Migrated (PDF/A Conversion) from original format: (application/pdf)) - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Download (12MB) [English] PDF - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. (Original Version)

Abstract

A specialized microcomputer network is developed to meet the real-time processing requirements of a digitally protected substation. This application has strict timing constraints and requires a fast communication response. The network is based on the principle that direct access to channel is granted exclusively to the ready message with the current highest priority. -- The network requirements of the digitally protected substation are defined. The data flow of the substation resembles the message priority in nature. To implement the message priority scheme, a totally distributed network is employed. -- A simulation model is developed to predict the performance of the network. Results from the simulation indicate that the network is capable of meeting the timing constraints of the real-time application.

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