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首页> 外文期刊>Electric power systems research >Short-term optimization of the new Avce pumping plant and three existing hydro power plants on the Soca river in Slovenia
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Short-term optimization of the new Avce pumping plant and three existing hydro power plants on the Soca river in Slovenia

机译：斯洛文尼亚Soca河上新的Avce抽水厂和三个现有水力发电厂的短期优化

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摘要

In the following years a new pumping plant Avce is going to join the existing cascade of three small-regulating-basin hydro power plants (HPPs) on the Soca river in Slovenia. The pumping plant operation will have to be synchronous to the operation of existing plants and vice versa since all four plants depend upon the same inflow and since they all belong to the same generation company that buys and sells electricity to a day-ahead electricity market. The Soca river has torrent alpine characteristics so there are doubts about the operation of the system in frequent dry seasons. As shown in this article, such questions can be effectively solved by first presenting the hydro system of four HPPs under study as a directed graph and then as a mixed integer linear program (MILP): a set of equations and inequations modeling technical issues of HPPs and a target function (the day-ahead market price) modeling the electricity market. A small and simple MILP model called Flores has been used for this study. The MILP approach requires only to specify the problem since the solution is found by using available commercial computer solvers. It can be applied on-line and it can be augmented to include also the transmission constraints, ancillary services, etc.
机译：在接下来的几年中，新的抽水厂Avce将加入斯洛文尼亚Soca河上现有的由三个小型调节流域水力发电厂（HPP）组成的级联。抽水厂的运营必须与现有工厂的运营保持同步，反之亦然，因为所有四个工厂都依赖于相同的流入量，并且它们都属于向日间电力市场买卖电力的同一个发电公司。索卡河具有洪流的高山特征，因此在频繁的干旱季节对该系统的运行存在疑问。如本文所示，可以通过首先将四个正在研究的HPP的水力系统呈现为有向图，然后以混合整数线性程序（MILP）的形式来有效解决这些问题：一组方程和不等式对HPP的技术问题进行建模目标函数（日前市价）对电力市场进行建模。这项研究使用了一个名为Flores的小型且简单的MILP模型。 MILP方法仅需要指定问题，因为可以通过使用可用的商用计算机求解器找到解决方案。它可以在线应用，也可以扩展以包括传输限制，辅助服务等。

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