发电设备利用小时数是一定时期内一个地区平均发电设备容量在满负荷运行条件下的运行小时数，即发电量与平均装机容量之比，反映了该地区发电设备利用率，也是反映该地区电力供需形势的主要指标之一。
这就是说，日调峰水电在一定工作容量下年利用小时数越低，其节煤率越高。
That is, under a cerium capacity, thesmaller the total number of daily regulating hours in a year, the higher the ratio.
汽轮机通流部分改造的经济性与机组的年可利用小时数和标准煤价有很大的关联。
The economics of retrofitting of flow passage of stream turbine is closely associated with the available hours in whole year and the cost of coal.
以指定时间段内参与计算电站的装机利用小时数相等为目标建立中期火电开机优化模型。
An optimization model is established for medium-term thermal power boot, which takes the equal hours of capacity utilization as the objective for all thermal power plants in a certain period.
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