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On the Parameter Estimation of Linear Models of Aggregate Power System Loads
KTH, Superseded Departments, Electrical Systems.
KTH, Superseded Departments. (Electric Power Systems)ORCID iD: 0000-0002-8189-2420
2003 (English)In: 2003 IEEE POWER ENGINEERING SOCIETY GENERAL MEETING, VOLS 1-4, CONFERENCE PROCEEDINGS, VDE Verlag GmbH, 2003, Vol. 4, 2392-2397 p.Conference paper (Refereed)
Abstract [en]

This paper addressed some theoretical and practical issues relevant to the problem of power system load modeling and Identification. An identification method Is developed in the theoretical framework of stochastic system identification. The identification method presented in this paper belongs to the family of output error models and Is based on well-established equations describing load recovery mechanisms having a commonly recognized physical appeal. Numerical experiments with artificially created data are first performed on the proposed technique and the estimates obtained proved to be reliable and accurate. The proposed method is then tested using actual field measurements taken at a paper mill, and the corresponding results are used to validate a commonly used linear model of aggregate power system load. The results reported In this paper indicate that the existing load models satisfactorily describe the actual behavior of the physical load and can be reliably estimated using the identification techniques presented herein.

Place, publisher, year, edition, pages
VDE Verlag GmbH, 2003. Vol. 4, 2392-2397 p.
Keyword [en]
Linear dynamic systems, Output error method, Parameter estimation, Power system load modeling, System identification, Control equipment, Electric loads, Electric potential, Error analysis, Identification (control systems), Mathematical models, Probability, Electric power systems
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-52348DOI: 10.1109/PES.2003.1271012ISI: 000187500300534ISBN: 0-7803-7989-6OAI: diva2:466323
IEEE-Power-Engineering-Society General Meeting, TORONTO, CANADA, JUL 13-17, 2003
QC 20111220 NR 20140804Available from: 2011-12-15 Created: 2011-12-15 Last updated: 2012-01-12Bibliographically approved

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Knyazkin, ValerySöder, Lennart
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