Introduction System monitoring Voltage,current,power flow,breaker status,switch status; frequency,generator output,tap changer,etc. SCADA,state estimation Contingency analysis: Perform analysis of possible faults beforehand,and then make plans for outages,or alert when the outages are to be occuring Security constrained OPF Optimal dispatch ▣Post-fault analysis Secure dispatch Post-fault security 电力镜广城测量乌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 Introduction  System monitoring  Voltage, current, power flow, breaker status, switch status; frequency, generator output, tap changer, etc.  SCADA, state estimation  Contingency analysis:  Perform analysis of possible faults beforehand, and then make plans for outages, or alert when the outages are to be occuring  Security constrained OPF  Optimal dispatch  Post-fault analysis  Secure dispatch  Post-fault security