Study On Optimal Operation For Jinpen Reservoir

Jinpen Reservoir is a multi-purpose reservoir with the main objective of supply water for Xi'an city as well as irrigation, electricity generation and flood control. The operation results for Jinpen Reservoir considers not only the water demand quantity of Xi'an city but also the benefit that Jinpen Reservoir may bring about. Based on the above-mentioned purposes, system engineering is used to study the optimal operation for Jinpen Reservoir and some new methods are attempted to apply in reservoir operation. The main contents and results are as follows:(1) The treatment of several key problems in Jinpen Reservoir optimal operation is discussed. The short-term flood forecast data are used as the inflow of reservoir and the calculating period is one hour. The results of short-term flood forecast are modified hour by hour. The results of middle-term forecast are used in reservoir operation with the fuzzy method and the rules of middle-term operation are established for the guidance of real-time operation.(2) The optimal operation models are established and solved. According to the characteristics of multi-purpose of the Jinpen Reservoir, four optimal operation models are set up. By analyzing the feasibility of each model, the operation rules of reservoir are obtained by solving four models based on the progressive optimal algorithm.(3) The real-time operation model is established. According to above operation results of short-term forecast, the regression model is obtained by stepwise regression method. The real-time operation rules are obtained by the way of middle-term operation and regression model.(4) The feasibility of genetic algorithm used in reservoir operation is discussed. According to the characteristics of genetic algorithm, take the monthly data of one year as an example to show the monthly operation results by the method of genetic algorithm. Compared POA with GA, their used extends, advantages and disadvantages can be known.(5) The forecast and operation system is exploited. An applicable forecast and operation system is established by utilizing advanced developing platform and following the regulations of "the design and developing rules of reservoir flood system". The system has the function of data processing, calibrating, forecasting and operating with the aid of computers.