Complex Event Processing in Power Distribution Systems: A Case Study

Complex Event Processing (CEP) is an emerging discipline. This paper focuses on the application of CEP for fault detection and classification in 11kV radial distribution system using data collected from a Phasor Measurement Unit (PMU). The analysis has been done by monitoring the electrical quantities in the 11kV radial distribution system simulated using Matlab Simulink. The PMU is placed at the substation and' transmits data to the Command and Control Center. The data is analyzed to identify the signatures of different types of faults and based on that rules have been designed to categorize them. An architecture stack has been designed based on a commercial CEP product (Tibco Business Events) to implement the fault detection. In this paper we present the architecture, the 11kV distribution system simulation and share our experience about fault detection. The paper outlines the categorization and analysis of various types of faults like Single Line to Ground (SLG) fault, Double Line to Ground (DLG) fault, and Three phase (30) fault using CEP software. Thus it shows a real life application of CEP software for fault classification with low computational time.