A Study on Intelligent Warning in Power System Dispatching

The connotation of intelligent warning is defined from five facets including category, screening, tracing and location of the cause, exhibition and information processing. The warning sets which are commonly used in power system real-time dispatching are classified component level, system level, single, serial, concurrent, combined, sensitivity and gradient warnings; meanwhile, these warnings are given definition, equation expression and illustration. Moreover, the application of intelligent warning is verified by rules, dates, modeling and deduction. Through the analysis of intelligent warning, the dispatchers will know the state of system and equipments distinctly, evaluate the power system security in general, and take control measures promptly, to guarantee the safety of system.