NDLI: BC hydro experiences with utilization of pseudo measurements in state estimation

Content Provider	IEEE Xplore Digital Library
Author	Atanackovic, D. Dwernychuk, G.
Copyright Year	2011
Description	Author affiliation: British Columbia Hydro and power Authority, Vancouver, British Columbia, Canada (Atanackovic, D.) \|\| British Columbia Hydro and Power Authority, Vancouver, British Columbia, Canada (Dwernychuk, G.)
Abstract	State estimator application is the core advanced application in the Energy Management system (EMS) that provides major inputs to other network applications that are executed to determine power system security in the real-time. Those applications include transient and voltage stability analysis that are also responsible for calculation and download of the remedial action schemes arming patterns to the field in the real-time. For this reason, state estimator performance and quality of results are highly important to BC Hydro real-time operations. State estimator relies on the quality of status and analog real-time telemetry and is also strongly dependent on the availability of measurements to provide observability and redundancy. In practical world, real-time measurements are seldom available at all locations and in sufficient quantity to ensure observability of the entire transmission network. In order to overcome the lack of real-time telemetry state estimators traditionally rely on utilization of pseudo measurements to complement real-time measurement set and provide necessary observability for state estimator to solve. The objective of this paper is to discuss the approaches that BC Hydro has adopted for application of pseudo measurements as well as methods used to increase quality of pseudo telemetry.
Starting Page	1
Ending Page	5
File Size	897082
Page Count	5
File Format	PDF
ISBN	9781457710001
ISSN	19449925
e-ISBN	9781457710025
e-ISBN	9781457710018
DOI	10.1109/PES.2011.6039283
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Fluid flow measurement Resource management Power measurement Telemetry Transmission line measurements Load flow State Estimation Energy Management System (EMS) Realtime Measurements Measurement Observability Measurement Redundancy Pseudo Measurements
Content Type	Text
Resource Type	Article

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