Original scientific paper
https://doi.org/10.37798/202069449
Advanced and Rapid Tool in Control Room to Determine the Cause and Location of Events in Transmission Network
Igor Ivanković
; HOPS, Croatia
Ksenija Žubrinić-Kostović
; HOPS, Croatia
Ana Kekelj
; HOPS, Croatia
Per Andersson
; GoalArt Sweden
Jan Eric Larsson
; GoalArt Sweden
Abstract
Operating personnel in control room act on SCADA alarm generated on data from station computer. Using new technologies and advanced technical
solutions assistance tool can be designed. This tool provides quick help in busy situations for operator. For this new tool with three types of case studies
insight will be given in this paper. Introduction part has short information about numbers of alarms and events in Control centre, and their distribution
during one month period. Basic principles for alarm handling in SCADA system is given with all limitations. New tool, Intelligent Alarm Processing
system is designed and implemented in control room. It has connection to SCADA system with standard data exchange format CIM/XML and run in
real time, with only few seconds delay. This system based on Multilevel Flow Model has root cause analyses implemented for power system. Detail
fault location algorithm description with block scheme for this Intelligent Alarm Processing system is part of third chapter. Special attention must be
paid for modelling protection data in SCADA system which are sent to this new tool. Demonstration of Intelligent Alarm Processing system operation
is reported in fourth chapter. Three characteristic disturbances in transmission network were elaborated. Most complex and challenging disturbances
for operator in control room is cascading event. This case study is presented in detail in four sequences through graphical user interface. Second case
study is also challenging for operators, heavy winter storm with numerous isolated events. In this case study very effective graphical presentation and
alarm list with three types, primary event, consequences and detail list for this events were demonstrated. This list pointed out exactly and clearly
what happened in the network. Last case study presents common disturbances which appears on daily basis, where this tool is of great assistance
because it points on transmission elements very fast.
Keywords
Hrčak ID:
261843
URI
Publication date:
31.12.2020.
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