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主要研究含有静态同步补偿器装置的电力系统协调控制方法,以单机无穷大(single machine infinite bus,SMIB)系统为例,采用凸极式发电机(xd′≠xq)模型,并利用几何反馈线性化方法,进行励磁与静止同步补偿器(staticsynchronous compensator,STATCOM)的协调控制。在所研究的系统模型中,假定STATCOM输出的电压向量方向与无穷大系统电压向量的夹角为任意的δS,建立凸极式发电机与STATCOM所组成的具有约束代数方程的非线性系统模型,弥补了凸极式发电机励磁与STATCOM协调控制技术研究的不足。克服了以往的STATCOM模型需要假设STATCOM输出电压向量在d轴的强约束条件,使得所研究的STATCOM模型与控制方法更加符合实际的工程应用。仿真结果表明了所提出的模型和协调控制方法的合理性和有效性。
In this paper, the coordinated control method of power system with static synchronous compensator is mainly studied. Taking the single machine infinite bus (SMIB) system as an example, the model of salient pole generator (xd ’≠ xq) is used and the geometric feedback linearization Method, coordinate control of excitation and staticsynchronous compensator (STATCOM). In the system model studied, assuming that the angle between voltage vector direction of STATCOM and voltage vector of infinite system is arbitrary δS, a nonlinear system model with constrained algebraic equation composed of salient pole generator and STATCOM is established to make up The lack of research on the coordination control technology between salient pole generator and STATCOM. It overcomes the strong constraint condition of the STATCOM output voltage vector on the d-axis that the previous STATCOM model needs, and makes the proposed STATCOM model and control method more in line with practical engineering applications. The simulation results show that the proposed model and the coordinated control method are reasonable and effective.