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Analysis of phasor data latency 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 IEEE International Conference on Communications Workshops, ICC 2010, Capetown, 2010Conference paper, Published paper (Other academic)
Abstract [en]

Synchronized phasor measurement based Wide Area Monitoring and Control (WAMC) system is becoming a reality within 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 be not achieved. Possible delays brought by the complex data transfer and processing processes in WAMC systems are addressed in the first part of this paper. Thereafter, simulations where delayed Phasor measurements are fed to the Static Var Compensator (SVC) are conducted iteratively to detect its maximum tolerated delay. Furthermore, performance requirements for the centralized computation and control actuation are researched and analyzed based on simulation results. It also includes a study on feasibility of compensations using local signal based Power System Stablizers (PSS) in situations with much phasor data delay. The paper is concluded by suggesting ICT architecture for WAMC systems aiming to improve its robustness.

Place, publisher, year, edition, pages
Capetown, 2010.
Keyword [en]
ICT infrastructures, Phasor measurement latency, PMU, PSS, Remote signal based SVC, WAMC systems, Centralized computation, Complex data, Control schemes, Data delays, Data latencies, Grid control, High resolution, ICT architecture, Information and Communication Technologies, International researches, Local signal, Performance requirements, Phasor measurements, Power system stablizers, Remote signals, Simulation result, Static Var compensator, Synchronized phasor measurements, Wide area monitoring, Control system analysis, Data transfer, Monitoring, Phase measurement, Research, Electric network topology
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-49938DOI: 10.1109/ICCW.2010.5503915Scopus ID: 2-s2.0-77954939184ISBN: 9781424468263 (print)OAI: oai:DiVA.org:kth-49938DiVA: diva2:460680
Conference
2010 IEEE International Conference on Communications Workshops, ICC 2010. Capetown. 23 May 2010 - 27 May 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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