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Chaotic Analysis and Synchronization Control of Fractional OrderPower System with the Disturbance of Electromagnetic Power(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2017年01期
Page:
18-
Research Field:
电气工程
Publishing date:

Info

Title:
Chaotic Analysis and Synchronization Control of Fractional OrderPower System with the Disturbance of Electromagnetic Power
Author(s):
Peng Guangya; Min Fuhong; Huang Wendi; Ye Biaoming; Dou Yiping
School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China
Keywords:
chaotic oscillation; fractional order power system; angle instability; synchronization control
PACS:
TP391.9
DOI:
10.3969/j.issn.1672-1292.2017.01.003
Abstract:
Chaotic oscillation is an inherent phenomenon of nonlinear power system. However,when the operation conditions in power system become complicated,the integer-order system models have not fully met the demands of research needs. In this paper,the basic dynamic properties of the fractional-order power system are investigated with the disturbance of electromagnetic power through the bifurcation diagram,Lyapunov exponent spectrum and Poincaré section. In the case of fractional-order power system,the lowest order at which chaos exists is observed. With the disturbance amplitude of electromagnetic power and the frequency factor varying,this power system shows rich dynamic behaviors characterized as period-doubling bifurcation transferring to chaos and angle instability. Based on the double parameters mapping,the regions are divided into the domains of periodic motion,chaos and angle instability. Due to the route to chaos appearing before the angle instability,the control method which can eliminate the chaos should be designed to avoid the harm of angle instability in power system. Therefore,a nonlinear controller which meets the stability requirement is designed to realize the synchronization of the fractional-order chaotic power system. Simulation results verify the effectiveness of the proposed methods,and provide theoretical references for the secure and stable operation of power system.

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