单位负荷 meaning in Chinese

specific load
unit loading

First , suppose a source point and a sink point . second , draw a unilateral line from source point to every substation node . the line ' s capacity is set as corresponding substation ' s allowable load value and the line cost is set as the substation ' s unit load cost
本文通过线性化处理后将网架优化模型描述为一个最小费用最大流问题，虚拟一个源点和一个汇点，从源点到各变电站节点各引一条单向弧，弧容量为变电站允许的负荷值，弧费用为变电站单位负荷的费用。