论文部分内容阅读
考虑静止无功发生器(static var generator,SVG)的非线性和能量耗散特性,基于系统模型的广义Hamilton系统实现,设计非线性控制器。论述了广义Hamilton系统及其实现问题。针对SVG的工作原理建立其非线性动态模型,依据系统模型特性,选取适当的结构矩阵和Hamilton函数,完成了系统的广义Hamilton实现。针对SVG模型的广义Hamilton实现,引用L_2干扰抑制控制方法,设计单负荷-无穷大系统中运行的SVG非线性控制器,并利用电力系统分析综合软件(PSASP)对所设计的控制器进行不同负载情况下的仿真,数字仿真结果表明了控制器有较好的补偿效果,并能够维持负载母线电压的稳定。
Considering the nonlinear and energy dissipation characteristics of static var generator (SVG), a nonlinear controller is designed based on the generalized Hamilton system of system model. The generalized Hamiltonian system and its realization are discussed. According to the working principle of SVG, a nonlinear dynamic model is established. Based on the characteristics of the system model, the appropriate structural matrix and Hamilton function are selected to complete the generalized Hamiltonian realization of the system. Aiming at the generalized Hamiltonian implementation of SVG model, the L 2 interference suppression control method is used to design a SVG nonlinear controller operating in a single-load-infinite system. The PSASP is used to design the controller under different load conditions Under the simulation, the numerical simulation results show that the controller has better compensation effect and can maintain the stability of the load bus voltage.