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Estimation of the Primary Current in a Saturated Transformer
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1991 (English)Report (Other academic)
Abstract [en]

It is pointed out that, when a current in a power system is measured using a transformer, the measurement can be distorted by transformer saturation. The authors examine two methods of estimating the primary current from the secondary in the presence of saturation. The first is based on an extended Kalman filter, while the second is based on an off-line Gauss-Newton method

Place, publisher, year, edition, pages
Linköping: Linköping University , 1991.
Series
LiTH-ISY-I, ISSN 8765-4321 ; 1247
Keyword [en]
Nonlinear, Saturation, Filtering, Kalman filters, Current measurement, Iteration
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-55460OAI: oai:DiVA.org:liu-55460DiVA: diva2:316143
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2013-07-28

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Glad, Torkel

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Automatic ControlThe Institute of Technology
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  • nn-NB
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