For a given load demand, security economic dispatch (SED) allocates the units generation to minimize the total production costs, including the security and load flow equation constraints.
安全经济调度(SED)注重在满足输电元件安全条件下，对一定负荷需求，力求以费用最小化来安排发电方式。
However, the growing gas demand, total amount of city gas supply shortage and load capacity of the contradiction, which poses a severe test to the urban natural gas strategic security.
但是，不断增长的用气需求与城市气源总量和调峰能力不足的矛盾，还是给城市天然气战略安全提出了严峻的考验。
However, the contradiction between the growing gas demand and the shortage in the total amount of city gas supply and load capacity, poses a severe test to the urban natural gas strategic security.
但是，不断增长的用气需求与城市气源总量和调峰能力不足的矛盾，还是给城市天然气战略安全提出了严峻的考验。
The building of model of pressure-load character of main-pipe system is helpful to derive the calculation formula of main-pipe total steam load demand.
母管系统压力负荷特性模型的建立有助于推导母管蒸汽总负荷需求的计算公式。
The building of model of pressure-load character of main-pipe system is helpful to derive the calculation formula of main-pipe total steam load demand.
母管系统压力负荷特性模型的建立有助于推导母管蒸汽总负荷需求的计算公式。
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