Uma técnica de análise de causa raiz para sistemas elétricos de potência.

Abstract

The root cause analysis of fault is an extremely task to keep the stability of the Eletric Power System (EPS). In the Supervision and Control Centers, the operators have the challenge of analyzing hundreds of alarms and discover the root cause of failures in a short period of time. If actions are not performed very quickly, the fault can spread and generate a ripple effect in the power grid. To help the operators, it becomes necessary to develop a solution to automate the discovery of root cause of faults. This work presents a new technique of root cause analysis of fault that offers the generation of trees of fault propagation, adaptability to topological changes, facility to change the business rules. It shows a simple implementation that use rules of cause and effect between the equipments and a good performance in generating fault trees. the new technique was validated by engineers of the area of eletric poert systems with fault occurrences of big power grids.