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has been cited by the following article:

• TITLE: Analysis of Nonlinear Characteristics of Turbine Governor and Its Impact on Power System Oscillation

  AUTHORS: Ge Jin, Hanting Yan, Shaoxiang Deng, Xiaomei Chen, Zexiang Cai

  KEYWORDS: Turbine Governor; Modeling; Nonlinear Characteristics; Power System Oscillation

  JOURNAL NAME: Energy and Power Engineering, Vol.5 No.4B, November 7, 2013

  ABSTRACT: In this paper, the model of turbine governorbased on the physical principles is constituted to improve the accuracy of power system dynamic simulation, making the results of simulation consistent with the actual situation. The unit and grid coupling model which reflects the interaction between thermal system of power plant and power system is built using EMTDC/PSCAD. The influence of nonlinear characteristics on the valve opening and the steam turbine mechanical power is also analyzed in this paper. The results of simulation show that the improper setting of parameters reflecting nonlinear characteristics of turbine governor can lead to the cyclical oscillations of the valve opening and thesteam turbine mechanical power, and even can lead to the power oscillation persistently. The research achievements in this paper have a certain reference value on exploring the causes of power oscillation from the prime mover.