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Single Equipment Visualization for Improved Power System Monitoring
KTH, School of Electrical Engineering and Computer Science (EECS).
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Gemensam visualiseringsutrustning för förbättrad kraftsystemsövervakning (Swedish)
Abstract [en]

With the expansion of the power system scale, the demand for power system visualization is increasing in the recent of years. A stable operation of the power system is very important for people’s normal life. Operators have to monitor 4-5 screens at the same time to check the status of the system. Each screen contains thousands of transmission lines and thousands of different data. When one of the data is out of the safe range, the operator needs to take action and repair it in time. Otherwise, it will lead to a catastrophe.

The goal of this thesis is to test whether the graphics visualization can be used in the power system and accurately communicate the data. A new visualization was created which included graphics to express data in the single transmission line diagram. Afterwards, a user study was conducted with 7 people, where the results showed that some data could be expressed in the image but not all of them. And the feature of image visualization was that it contained more useful information that could be easily understood by the operators.

Abstract [sv]

Med expansionen av kraftsystemets skala ökar efterfrågan på strömsystemvisualisering under de senaste åren. En stabil drift av elsystemet är mycket viktigt för människors normala liv. Operatörerna måste övervaka 4-5 skärmar samtidigt för att kontrollera systemets status. Varje skärm innehåller tusentals överföringslinjer och tusentals olika data. När en av datan ligger utanför det säkra området måste operatören vidta åtgärder och reparera den i tid. Annars kommer det att leda till en katastrof.

Målet med denna avhandling är att testa om grafisk visualisering kan användas i kraftsystemet och korrekt kommunicera data. En ny visualisering skapades som inkluderade grafik för att uttrycka data i det enkla transmissionslinjediagrammet. Därefter genomfördes en användarstudie med 7 personer, där resultaten visade att vissa data kunde uttryckas i bilden men inte alla. Och egenskapen för bildvisualisering var att den innehöll mer användbar information som lätt kunde förstås av operatörerna.

Place, publisher, year, edition, pages
2019.
Series
TRITA-EECS-EX ; 2018:790
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-248044OAI: oai:DiVA.org:kth-248044DiVA, id: diva2:1304613
Supervisors
Examiners
Available from: 2019-04-24 Created: 2019-04-12 Last updated: 2019-04-24Bibliographically approved

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