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Analysis of data quality issues in wide area monitoring and control systems
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.ORCID iD: 0000-0003-4386-3781
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.ORCID iD: 0000-0003-3014-5609
2010 (English)In: 2010 IREP Symposium - Bulk Power System Dynamics and Control - VIII, IREP2010, Rio de Janeiro, 2010Conference paper, Published paper (Refereed)
Abstract [en]

Synchronized phasor measurement based Wide Area Monitoring and Control (WAMC) system is becoming a reality with international research and development both in academia and industry. Timely and accurate data with high resolutions holds great promise for more responsible and advanced grid control and operation. Currently, most of the research focuses on the different control schemes and applications. A relatively less addressed aspect is the dependency of the WAMC system on the performance of the Information and Communication Technology (ICT) infrastructure, without whose support the projected functionalities of the WAMC systems will not be achieved. Possible input delay brought by the complex data transfer and processing processes in WAMC systems are presented at the beginning of this paper. Thereafter, simulations where delayed phasor measurements are fed to a typical WAMC application - Static Var Compensation (SVC) are conducted iteratively to detect its maximum tolerated delay. Based on this maximum tolerated delay, the consequences of missing certain data in the phaor packets have been studied. Furthermore, data quality requirements to design a reliable SVC function are analyzed based on simulation results. In conjunction with the requirement discussion, the paper is concluded by proposing a robust ICT architecture to mitigate the aforementioned data quality issues.

Place, publisher, year, edition, pages
Rio de Janeiro, 2010.
Keyword [en]
ICT infrastructures, Incompleteness, Phasor measurement delay, PMU, Remote signal based SVC, WAMC systems, Phasor measurements, Control system analysis, Data transfer, Electric network topology, Monitoring, Phase measurement, System theory, Quality control
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-49936DOI: 10.1109/IREP.2010.5563291Scopus ID: 2-s2.0-77958044250ISBN: 9781424474677 (print)OAI: oai:DiVA.org:kth-49936DiVA: diva2:460682
Conference
2010 IREP Symposium - Bulk Power System Dynamics and Control - VIII, IREP2010. Rio de Janeiro. 1 August 2010 - 6 August 2010
Note
QC 20111202Available from: 2011-11-30 Created: 2011-11-30 Last updated: 2013-10-15Bibliographically approved

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Zhu, KunNordström, Lars

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