发电厂厂用电率的计算
Thermal Power Generation(2012)
Abstract
1 厂用电率定义
以某台200 MW机组为例,其设计额定工况下的厂用电率估算方法为[1]
e=S(c)cos(e)av/Pe×100% (1)
Sc=∑(KP) (2)
式中:e为厂用电率,%;Sc为厂用电计算负荷,kVA;cos(e)av为电动机在运行功率时的平均功率因数,一般取0.8;Pe为发电机额定功率,kW;K为换算系数,取中的数值;P为电动机的计算功率,kW.
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