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Day Dispatch Strategy for Integrated System Based on Time-frequency Scales of PWP

机译:基于PWP时频尺度的集成系统日调度策略

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A day dispatch strategy for the integrated system (IS) of wind/photovoltaic/purnped-storage/gas-turbine-power/energy-storage plant is proposed in this paper based on the time-frequency scales of power of wind/photovoltaic (PWP). Based on the day-ahead dispatch strategy, the day dispatch optimization model of the IS is first established, and then according to the patulous short-time prediction (PSP) and ultra-short-time prediction (UP) of PWP, the day rolling and real-time scheduling strategies are put forward based on the time-frequency scales of PWP. Finally, the cone programming method is applied to optimize the day dispatch schedule. Simulation results show that the proposed strategy can compensate for the error in the day-ahead dispatch strategy based on short-time prediction (SP) of PWP. Thus, as an important supplement to the day-ahead dispatch strategy, this method is proved to be an effective solution to the power fluctuation problem in large-scale wind/photovoltaic integration, realizing a smooth power output, as well as guaranteeing the economical, efficient, and environmentally friendly operation of the system.
机译:基于风电/光伏发电(PWP)的时频尺度,提出了风电/光伏/抛储/燃气轮机发电/储能一体化系统的日调度策略。 )。基于超前调度策略,首先建立了IS的日调度优化模型,然后根据PWP的扩展短时预测(PSP)和超短时预测(UP)进行日滚动基于PWP的时频尺度,提出了实时调度策略。最后,采用锥编程方法优化日间调度计划。仿真结果表明,基于PWP的短时预测(SP),该策略可以弥补提前调度策略中的误差。因此,作为提前调度策略的重要补充,这种方法被证明是解决大规模风/光伏集成中功率波动问题的有效解决方案,可实现平稳的功率输出并保证经济,高效的运行。高效,环保的系统运行。

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