基于航电一体化的梯级枢纽运行模式优化*

提出一种基于航电一体化的梯级枢纽运行模式优化研究方法。对整个航道进行断面划分，并在各枢纽处设置虚化断面，对航道天然断面和枢纽所在的虚化断面分别采用求解圣维南方程和考虑枢纽调度的水量平衡计算方法，确定断面水位和流量过程，实现全航道断面水力要素的同步计算，满足梯级通航枢纽联合调度对航道水位和口门区流速的高计算精度要求；并在此基础上构建梯级通航枢纽联合优化调度模型，渠化航道，改善口门区和引航道水流条件，同时优化发电策略，实现梯级通航和发电综合利用效益最大化。衢江梯级通航枢纽结果表明，构建模型具有较高的模拟精度，有效提高了梯级通航保证率和总发电量。

Optimization of operation mode of cascade hub based on integration of navigation-power junction

This paper presents a optimization scheduling method on cascade navigation hubs based on waterway hydrodynamic calculation.By dividing the whole channel into some sections and setting virtual sections at the junctions positions,the water level and flow process hydraulic factors of the virtual channel crosses and the natural crosses will be determined by solving Saint Venant equations and water balance calculation considering hub scheduling.Thus,hydraulic factors of all sections of full channel can be computed synchronously and meet the high accuracy requirements of the flow channel level and entrance during the navigation hubs cascade dispatching periods.Joint optimization scheduling model of the navigation hub cascade is built,which can canalize the waterway and improve the entrance area and the navigation flow conditions and optimize the generation strategy,and thus realize the cascade of navigation and power generation comprehensive utilization benefit maximization.Example of Qujiang traffic hub cascade results show that the constructed model is more accuracy and improve the cascade navigable guarantee rate and total generating capacity.