尝试将小波分析应用与降水量时间序列多时间尺度，以了解其不同时间尺度的详细结构和变化趋势-Try the applications of wavelet analysis and the precipitation time series of multiple time scale, the detailed structure and the change trend of the different time scales

建立了基于模型预测控制的配电网多时间尺度无功优化模型，包含日前优化调节层和实时滚动调控层。日前优化侧重于运行经济性，协调配合不同类型无功设备进行大尺度无功调节，并预留充足动态无功储备响应动态调控，降低运行风险；实时滚动调控侧重于系统运行可靠性。(A multi-time scale reactive power optimization model for distribution network based on model predictive control is established,