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A prototype of a full-scale SCADA system installation using an operator training simulator module as power grid
KTH, School of Electrical Engineering (EES).
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [sv]

Modulen Operator Training Simulator (OTS) syftar till att hjälpa elkraftsystemsoperatörer att förbättra sina kunskaper av elkraftsystemets beteende.  Många kraftföretag har integrerat OTS i sina SCADA-system för utbildningsändamål. Det samma gäller ABB som har en OTS integrerad i sitt Network Manager SCADA / EMS-system. Dock , vid användandet av OTS har Network Manager inte egenskaper såsom det skulle haf om det opererade ett riktigt elkraftnät. Detta projekt syftar till att lösa detta problem och ett alternativt tillvägagångssätt för OTS integration till SCADA föreslagits. Arbetet inleddes med en undersökning av ABB:s SCADA / OTS med en analys av dess avvikelser till ett faktiskt SCADA styrsystem. Efter en inledande fas som involverade testning och studera SCADA / OTS arbetsflöde, fortsatte arbetet med att skapa alternativa lösningar för att undanröja avvikelserna mellan de två systemen. Kärnan i projektet innefattade att konstruera, implementera och testa nya alternativ för integration av OTS och SCADA system. Den framtagna prototypens funktionalitet, nätverksarkitektur, kommunikationsprotokoll och dataflöde undersöktes och jämfördes med de egenskaper på ett SCADA-system för verklig drift. Resultaten av utvärderingen visade att prototypen var en bra representation av ett verkligt SCADA-system.

Abstract [en]

The Operator Training Simulator (OTS) aims to help power system operators to improve their proficiency of the power system behavior in the current increasing complexity of the control system. Many power utility companies have integrated the OTS into their SCADA system (Walve & Edstrom, 1998) (Demjen, Kadar, Meszaros, & Szendy, 1994) for training purposes. There is no exception for ABB’s; they integrated the OTS into their Network Manager SCADA/EMS system, and it is the main tool for this project. However, the ABB’s SCADA/OTS suffers from incomplete real SCADA properties, e.g., PCU and RTU, due to its sandbox nature. Consequently, it does not realistically represent the full properties and functionalities of an actual SCADA system. To address this issue, an alternative approach for OTS integration to the SCADA has been proposed.  The work started with an exploration of the current ABB’s SCADA/OTS with an analysis of its deviations to an actual SCADA control system. After a preliminary stage that involved testing and studying SCADA/OTS’s workflow, the work continued with creating alternative solutions to eliminate the deviations between the two systems. Then, the core work of the project involved implementation and testing the new alternative prototype since there is a possibility that KTH and/or ABB will use the simulator for a future project. To finalize the work, the prototype’s functionality, network architecture, communication protocols and data flow were examined and compared with the actual SCADA to evaluate the quality of the design. The results of the evaluation showed that the prototype was a good representation of a real SCADA system. 

Place, publisher, year, edition, pages
2016. , 48 p.
Series
EES Examensarbete / Master Thesis, TRITA-EE 2016:169
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-196218OAI: oai:DiVA.org:kth-196218DiVA: diva2:1046339
External cooperation
ABB
Examiners
Available from: 2016-11-14 Created: 2016-11-14 Last updated: 2016-11-16Bibliographically approved

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Electrical Engineering, Electronic Engineering, Information Engineering

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