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Thermal unit load optimization control method based on nonlinear dynamic compensation of governing valve

Jun Li1HuiCong Li2Jie Li3Yong Zhang1Na Li1WenTao Lei4

1. State Grid Shandong Electric Power Research Institute2. State Grid Shandong Electric Power Company3. Huaneng Shandong Power Generation Co.,Ltd4. Shandong Naxin Electric Power Technology Co.,Ltd

摘要:Thermal power generating units are the main force of frequency modulation and peak modulation in Chinese power grid.The accuracy of power regulation of thermal units is directly related to the stability of power grid frequency.Through the analysis of typical grid fluctuations and the characteristics of primary frequency compensation(PFC) and automatic power generation control(AGC) assessment indicators,it is concluded that the linearization of the turbine governing values have a direct impact on the unit’s actual power capacity,which in turn affects the safety and stability of the grid operation.The problem that the valve flow characteristic curve function can not be automatically adjusted in real time,the dynamic adjustment method to solve the valve non-linearity is proposed to improve the load regulation capacity of the unit.
会议名称:

2018 First International Conference on Environment Prevention and Pollution Control Technology (EPPCT 2018)

会议时间:

2018-11-09

会议地点:

日本东京

  • 专辑:

    工程科技Ⅱ辑

  • 专题:

    电力工业

  • 分类号:

    TM621

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