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Load Modeling Techniques for Power System Dynamic Studies Open Access


Other title
Load model
Power system dynamic studies
DC Motors
Type of item
Degree grantor
University of Alberta
Author or creator
Li, Shengqiang
Supervisor and department
Wilsun Xu (Electrical and Computer Engineering)
Examining committee member and department
Vinay Prasad (Chemical & Materials Engineering)
Wilsun Xu (Electrical and Computer Engineering)
Yasser A.-R. I. Mohamed (Electrical and Computer Engineering)
Department of Electrical and Computer Engineering
Power Engineering and Power Electronics
Date accepted
Graduation date
Master of Science
Degree level
Accurately modeling power system loads is essential in simulation-based power system planning and operation studies. Since large industrial facilities such as petro-chemical plants and paper mills are major power system loads, they must be modeled properly. Utilizing the concept of the template-based load modeling technique for industry facilities, this thesis investigates the modeling of paper mills for power system dynamic studies. A systematic approach with representative data is established for constructing equivalent dynamic models of the Kraft type of paper mills. Case studies demonstrate that the proposed model can capture the dynamic behavior of paper mill facilities adequately and accurately. This thesis also investigates the modeling of DC (motor) drives and their collective dynamic responses for system dynamic studies. The DC drive is one type of elementary load, the modeling of which has not been fully studied in the past. It is also a major load component in paper mills. This work develops an equivalent dynamic model of DC drives, and a model aggregation technique. Simulation results demonstrate the accuracy and usefulness of the proposed model.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
S. Li, et al., "Analysis and Monitoring of Small-Signal Angle Stability by Using the Channel Components Transform and Phasor Data (Submitted)," IEEE Trans. Smart Grid, 2012.

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