Lessons and Enlightenment from Blackout Occurred in UCTE Grid on November 4,2006

Abstract

The whole process of large scale blackout occurred on November 4,2006 in Union for the Co-ordination of Transmission of Electricity (UCTC) power grid are presented and in the viewpoint of power grid dispatching and operation the problems revealed in this large scale blackout are analyzed.The lessons and enlightenment from the large scale blackout,such as in the aspects of power grid dispatching, power grid structure,security analysis,system reserve, premeditated project of accidents,application of backup protection and so on,are proposed.On this basis and combining with practical situation of East China Power Grid, some suggestions on enhancement of secure operation of power grid,analysis on weak links in power grid,anti-accident exercise,emergency mechanism establishment,coordinative management of parallel-operated plants,operation and maintenance of protective relayings,etc.,are put forward.