摘要
Reliable connection of turbine generators in complex main wiring structures to the power grid through a plurality of switches is a new key problem,referred to as multipoint automatic synchronization(MPAS),in automatic control systems(ACS).In this paper,different methods of voltage-frequency and phase-difference control are analyzed,and a control methodology based on active frequency tracking(AFT)is presented.Through the establishment of the multi-point automatic synchronization model and the analysis of the governor transfer function with this control method,the important control parameters and automatic process control sequence are summarized.The correctness and effectiveness of the designed methodology are inspected through on-site testing,and the importance of the function and selection of parameters are also explored.
Reliable connection of turbine generators in complex main wiring structures to the power grid through a plurality of switches is a new key problem, referred to as multipoint automatic synchronization （MPAS）, in automatic control systems （ACS）. In this paper, different methods of voltage-frequency and phase-difference control are analyzed, and a control methodology based on active frequency tracking （AFT） is presented. Through the establishment of the multi-point automatic synchronization model and the analysis of the governor transfer function with this control method, the important control parameters and automatic process control sequence are summarized. The correctness and effectiveness of the designed methodology are inspected through on-site testing, and the importance of the function and selection of parameters are also explored.
