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Switched Dynamic Modeling and Excitation Control of Power Systems
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[1]LI Jianyong,ZHAO Feng,DING Qingqing.Switched Dynamic Modeling and Excitation Control of Power Systems[J].Journal of Zhengzhou University (Engineering Science),2014,35(05):6-10.[doi:10.3969/j.issn.1671 -6833.2014.05.002]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 35卷 Number of periods: 2014 05 Page number: 6-10 Column: Public date: 2014-09-30
Title:
Switched Dynamic Modeling and Excitation Control of Power Systems
Author(s):
LI Jianyong; ZHAO Feng; DING Qingqing
1. School of Computer and Communication Engineering, 2hengzhou University of light lndustry, 2hengzhou 450001 , China; 2Sehool of Eleetrical Engineering, 2hengzhou Uiniversity, 2hengzhou 450001, China; 3. Department of Electrical Engineering, Ts.inghua University, Beijing 100084.China
Keywords:
power system;  switched system ;  dissipalive Hamiltonian realization;  exeitation control
CLC:
TP273
DOI:
10.3969/j.issn.1671 -6833.2014.05.002
Abstract:
The exeilation conlrol of power systems under generator tripping emergeney measurement is invesli-gated. First, a switched dynamie model for a typieal lEEE three-machine multi-area power system is devel.oped. Then , the switched power system is transformed to an equivalent switched dissipative Hamiltonian sys.tem via pre-feedback control. A state feedbaek switching eontroller is constructed based on the dissipativeHamiltonian realization. Using the Hamiltonian funetions of the subsysems as multiple Lyapunov funetions, itis shown that the closed-loop system is asymptotically stable under arbitrary switching path. Simulation resultsdemonstrate that the proposed eontroller ean elfeclively improve the transient stability of the power system.
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