电子科技大学：《电力系统运行与控制 Power System Operation and Control》课程教学资源（课件讲稿）Lecture 03 Power System Economic Dispatch

Valve 4 Valve 3 Valve 2 Valve 1 Pmin Output,P(MW) Pmax Combined cycle 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) Incremental hate rate Pmin Output, P(MW) Pmax (Btu/kWh Valve 1 Valve 2 Valve 3 Valve 4 Combined cycle

Combined reheat cycle HP LP Turbine Turbine 已oile condenser ELECTRICAL SUBSTATION UTIL 2 GRI 830MW NATURAL GAS FUEL CLEAN Supplie WATER Terry E.Caldwell COMPRESSOR TURBINE Substation Fig.1。hekankinsp6这de进ht名 10 AIR 75F GENERATOR 200 N01 STACK COMBUSTERS GAS TURBINE STEAM FLTE GENERATOR UNIT Hot Exhaust BOILER WATER HEATER HEAT RECOVERY No Victor Valley Water is used by the STEAM GENERATOR From utilizing the hot exhaust High Desert Power Plant! from the 3 Jet Turbines to power the Steam Turbine results in a 30%increase in electrical power generation. California Aqueduct Water GENERATOR NU.2 COOLING TURBINE WATER TOWER COOLING WATER TREATMENT ST正AM CONDENSER California Aqueduct Water 多控制四川省童点实验蜜 家电

电力系统广域测量与控制四川省重点实验室 Combined reheat cycle

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           

Typical curves Unit #1:Coal-fired steam unit: Max output =600MW;Min output 150MW = 510.0+7.2P+0.00142P2 Unit #2:Oil-fired steam unit: Max output =400MW;Min output 100MW H( =310.0+7.85P+0.00194P Unit #3:Oil-fired steam unit: Max output =200MW;Min output 50MW H. MBtu =78.0+7.97+0.00482P2 h 电力集院广城测量与控制四川省重点实验蜜 家电网

电力系统广域测量与控制四川省重点实验室 Typical curves  Unit #1: Coal-fired steam unit: Max output =600MW; Min output = 150MW  Unit #2: Oil-fired steam unit: Max output =400MW; Min output = 100MW  Unit #3: Oil-fired steam unit: Max output =200MW; Min output = 50MW 2 1 1 1 510.0 7.2 0.00142 MBtu H P P h          2 2 2 2 310.0 7.85 0.00194 MBtu H P P h          2 3 3 3 78.0 7.97 0.00482 MBtu H P P h         

Mathematic model of economic dispatch and its solution

Mathematic model of economic dispatch and its solution