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水电站水能调节计算的任务往往是:已知时段初水库的蓄水位及时段内的天然流量Q_e,在这个时段内水电站出力N为定值,推求时段末水库的蓄水位。调节计算一般是通过试算法实现,工作量很大。为了避免试算,节约工作量,通常大都结合调节计算辅助图进行计算。但过去应用的辅助图,不是失之于过繁,就是失于之过简(假设水电站效率为常数、下游水位不变等)。因此,本文拟建议一种新的辅助图,不但较全面地反映了各种因素,同时在应用上也很简便。
The task of hydro-power adjustment calculation of hydropower stations is often: the initial reservoir water level and the natural flow Q_e within a given period, and the output N of the hydropower station during this period is a fixed value, and the reservoir water level at the end of the period is deduced. Adjustment calculation is generally achieved by trial and error method, a heavy workload. In order to avoid trial calculation, saving workload, most commonly combined with the calculation of the auxiliary calculation of calculation. However, the auxiliary maps used in the past are either not excessive or simply lost (assuming constant hydropower station efficiency and constant water level downstream). Therefore, this article proposes to propose a new auxiliary figure, which not only reflects various factors more comprehensively but also is simple in application.