Abstract
A method of the coordinated optimization of multi control system for steam turbine generator unit was proposed in this paper. The primary frequency modulation performance and dynamic stability of the power system were taken into account in the method. The multi-control system to be optimized includes the excitation regulation system, the power system stabilizer (PSS), the speed control system and the boiler-turbine coordinated control system (CCS). And the taboo search (TS) algorithm was introduced as a means to obtain the optimal values of the system control parameters. The simulation result shows that the method can coordinate the primary frequency modulation performance and the dynamic stability of the system, and can effectively prevent the low frequency oscillation caused by the improper multi control system parameters setting.
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