Abstract
Excitation system and governor system are the important parts of power system control. Advanced control strategy of excitation and governor system can effectively improve the stability of power system. If we can effectively realize coordination control between the excitation and governor System, we will obtain the best control effect. In this paper, the coordination control system (CCS) between nonlinear robust excitation control (NREC) and governor power system stabilizer (GPSS) in multi-machine power system has been carried out, in order to enhance small-signal stability and get better dynamic quality. Firstly, the principle and design flow of NREC and GPSS are separately discussed. On the basis of the dynamic performance caused by application of NREC and GPSS, a pattern of CCS of NREC and GPSS is presented. In the end, computer simulation results have proven the validity of the system and the approaches designed in the paper.
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