AH ▣Heat comsumption H or AF can be expressed in △P two forms: P .Quadratic or cubic Pmin curve Output,P(MW) Pmax .Piecewise linear +△HI△P curve C,(P6)=&,+BP+yP $/hr (fuel-cost ICi(PGi)= dC (PG)=B+2yPGi S/MWh dPGi Pmin Output,P(MW) Pmax 电力拿镜广城洲量写控制四川省重点实验蜜 家电电力系统广域测量与控制四川省重点实验室 Pmin Output, P(MW) Pmax Input, H(Mbtu/h) or F(R/h) P H P H or F   Incremental hate rate Pmin Output, P(MW) Pmax (Btu/kWh   H P / Heat comsumption can be expressed in two forms: •Quadratic or cubic curve •Piecewise linear curve 2 ( ) $/hr (fuel-cost) ( ) ( ) 2 $/MWh i Gi i Gi Gi i Gi i Gi Gi Gi C P P P dC P IC P P dP           