Introduction ED and UC establish the optimal operation point based on economic consideration (how to implement it?) Operation point is implemented by generation control: Local control of every generator 口 Large system control and interconnection control at operation center Area control of multiple power network and Independent Power Produces (IPP's) ISO-Independent System Operator RTO-Regional Transmission System Operator 电力镜广城测量乌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 Introduction  ED and UC establish the optimal operation point based on economic consideration (how to implement it?)  Operation point is implemented by generation control:  Local control of every generator  Large system control and interconnection control at operation center  Area control of multiple power network and Independent Power Produces (IPP’s）  ISO - Independent System Operator  RTO - Regional Transmission System Operator