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Analysis Of Power System Frequency Responses With Hydro Turbines Incorporating Load Shedding, Lin Gao
Analysis Of Power System Frequency Responses With Hydro Turbines Incorporating Load Shedding, Lin Gao
Lin Gao
As shown in many recent works, the load-frequency behavior can be represented by system frequency response models especially for an islanding process. In this paper, a frequency response model incorporating an under-frequency load-shedding scheme is presented for islanding power system simulations. The model was applied for a realistic power system with hydro power generators. The hydro power generator model parameters were identified and similar responses were observed between the simulations and the accident records. The simulation results showed disadvantages of the primary frequency control systems of hydro power generators at the beginning of the load disturbances. The power system stability …