用于提高多机系统阻尼的可控串补稳定器的研究

Research on TCSC Stabilizer for Enhancing the Damping of Multi-machine Power System

在多机系统中,TCSC稳定器的阻尼作用在于提升系统主导振荡模式的阻尼水平。文中在合有TCSC稳定器的多机系统线性化方程的基础上,根据主导振荡模式特征根、TCSC控制器参数及附加转矩的关系,将系统主导模式的振荡频率代入TCSC附加转矩公式,利用相位补偿法完成TCSC控制器参数整定,达到提高主导振荡模式阻尼水平的目的。在IEEE5节点系统仿真算例中,利用特征根变化及转速时域仿真曲线验证了TCSC稳定器在多机系统中的阻尼效果。

In muhi-machine power system, damping effect of TCSC stabilizer reflects in improving tile damping level of dominant oscillation mode. Based on the linear equations of tile multi-machine power system including TCSC stabilize,＇, according to the relation among the eigenvalue of dominant oscillation mode, parameters of TCSC controller and additional torque, the oscillation frequency of dominant oscillation mode is substituted to the formula of TCSC additional torque, and phase compensation method is used to set the parameters of TCSC controller for enhancing the damping level of the dominant oscillation mode. Finally, through the simulation of IEEE5 ease, the change of eigenvalue and domain simulation eur,Je of rotate speed verified the damping effects ~/f TCSC stabilizer in the multi-nmehine power system.