Nonlinear adaptive excitation controller design for multimachine power systems

Roy, T. K., Mahmud, M. A., Shen, Weixiang and Oo, A. M. T. 2015, Nonlinear adaptive excitation controller design for multimachine power systems, in 2015 IEEE Power and Energy Society General Meeting, IEEE, Piscataway, N.J., pp. 1-5, doi: 10.1109/PESGM.2015.7285932.

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Title Nonlinear adaptive excitation controller design for multimachine power systems
Author(s) Roy, T. K.
Mahmud, M. A.ORCID iD for Mahmud, M. A. orcid.org/0000-0002-5302-5338
Shen, Weixiang
Oo, A. M. T.
Conference name IEEE PES General Meeting (2015: Denver, Colo.)
Conference location Denver, Colo.
Conference dates 26-30 Jul. 2015
Title of proceedings 2015 IEEE Power and Energy Society General Meeting
Publication date 2015
Start page 1
End page 5
Total pages 5
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) Adaptive backstepping controller
excitation system
Lyapunov function
Multimachine power systems
unknown parameters
STABILITY
Summary This paper presents a nonlinear adaptive excitation control scheme to enhance the dynamic stability of multimachine power systems. The proposed controller is designed based on the adaptive backstepping technique where the mechanical power input to the generators and the damping coefficient of each generator are considered as unknown. These unknown quantities are estimated through the adaption laws. The adaption laws are obtained from the formulation of Lyapunov functions which guarantee the convergence of different physical quantities of generators such as the relative speed, terminal voltage, and electrical power output. The proposed scheme is evaluated by applying a three-phase short-circuit fault at one of the key transmission lines in an 11-bus test power system and compared with an existing backstepping controller and conventional power system stabilizer (CPSS). Simulation results show that the proposed scheme is much more effective than existing controllers.
ISBN 9781467380409
ISSN 1944-9925
1944-9933
Language eng
DOI 10.1109/PESGM.2015.7285932
Field of Research 090607 Power and Energy Systems Engineering (excl Renewable Power)
080503 Networking and Communications
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082865

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