Simulation results show that nonlinear state PI SVC controller cooperating with the excitation system of generator can improve dynamic stability of power system effectively.

仿真计算表明，SVC与发电机励磁非线性状态PI协调控制器能有效地提高系统的暂态稳定性。

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This paper compiles the analysing program for the simulation of the nonlinear dynamic system. With this program, the locus property of the nonlinear dynamic system can be analysed visually.

应用先进的计算机图形学及科学计算可视化技术，编制了非线性动力系统仿真分析程序，可直观地分析混沌动力系统的轨迹特性。

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According to simulation model the effect of backlash and dead zone nonlinear on system performances was analyzed, and the measures of improving the system performances were put forward.

并根据仿真模型分析了间隙、死区等非线性因素对系统精确度的影响，提出了改进性能的措施。

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