基于Hopf分岔的电力系统HVDC稳定直流分段控制策略

任民

任民.基于Hopf分岔的电力系统HVDC稳定直流分段控制策略[J].电测与仪表,2017,54(18):.
Ren Min.Hopf bifurcation control strategy for power system HVDC stability control[J].Electrical Measurement & Instrumentation,2017,54(18):.

基于Hopf分岔的电力系统HVDC稳定直流分段控制策略

Hopf bifurcation control strategy for power system HVDC stability control

DOI：

中文关键词: Hopf分岔直流分段 HVDC线路雅可比矩阵稳定控制

英文关键词:DC block Hopf bifurcation Jacobi matrix HVDC line stability control

基金项目:

作者中文名	作者英文名	单位
任民	Ren Min	1. 安徽省电力公司电力科学研究院计量中心

摘要点击次数: 1678

中文摘要:

为有效处理电力动态失稳现象,提出基于Hopf分岔的电力系统HVDC稳定直流分段控制策略。首先,基于IEEE14电力测试系统,并利用HVDC整流器进行电力3段系统构建,然后利用代数方程实现系统模型表示；其次,对3段系统利用Hopf雅可比分岔点理论进行灵敏度研究,并选用HVDC工作点进行线路电流参数调整,实现最佳参数的线性可控确定,获得电力系统直流分段的稳态控制效果；最后,实验对比结果显示,所提策略可得到最佳操作点,可实现Hopf分岔过程的阻尼振荡和稳定裕度提升,从而大幅提升系统的稳态控制效果。

英文摘要:

In order to solve the problem of dynamic instability of power system, here proposed the HVDC setting value control strategy of Hopf bifurcation Jacobi sensitivity for DC power system. Firstly, the 2 and 3 sections of power system are constructed by using IEEE14 bus system and HVDC rectifier, and the algebraic equation model of the system is given; Secondly, here take the Jacobian sensitivity calculation for 2-segment and 3-segment power system model, and based on this take HVDC line adjustment strategy, then linear search to determine the optimal control parameters for DC power system steady state sectional control; Finally, simulation results show that the optimal operating points obtained by the proposed algorithm can effectively improve the stability margin of the Hopf bifurcation and the damping ratio of the damped oscillation modes, and also can greatly improve the steady-state control speed.

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