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Chaotic Analysis of Interconnected Power SystemBased on Dual Frequency Disturbance(PDF)

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

Issue:
2018年02期
Page:
9-
Research Field:
电气与电子工程
Publishing date:

Info

Title:
Chaotic Analysis of Interconnected Power SystemBased on Dual Frequency Disturbance
Author(s):
Hu ZhenxinMin FuhongZhou Qi
School of NARI Electrical and Automation,Nanjing Normal University,Nanjing 210042,China
Keywords:
double frequency disturbancepower angle instabilitydynamic behaviornumerical simulation
PACS:
TP271
DOI:
10.3969/j.issn.1672-1292.2018.02.002
Abstract:
An interconnected power system model with electromagnetic power disturbance and load disturbance is established. Considering double disturbance with different frequency,the paper analyzes the dynamic characteristics of the system in depth when the disturbance amplitude is changed. Through the bifurcation diagram,the Lyapunov exponent spectra,the phase-plane diagram and the power spectrum,sensitivity of the system to the amplitude of disturbance is discussed. When pointing at the problem of power angle instability in the system,the numerical range of the disturbance parameters is accurately divided in the unstable scene,and numerical simulations for the dynamic behavior of the system are performed under different disturbances. At last,a reliable theoretical basis for the stable operation of the power system is provided.

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Last Update: 2018-06-30