Substation Data Integration for Automated Data Analysis Systems

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Abstract
The paper discusses a concept of substation data integration for implementation of new automated analysis functions. Proper data integration is the main requirement to enable automation of the analysis and its future extensions. The integrated data concept is making the whole solution transparent to adding new types or product versions of IEDs, as well as new analysis functions. There are several types of modern IEDs used in today's substations. Different file formats and data collection strategies are implemented by different vendors. The paper addresses the issue of integrating IED data recorded by different IED types and then focuses on how to facilitate the use the integrated data. Several new analysis functions can be performed on the collected IED data and the results of the analysis can serve different groups of utility users. The paper introduces examples of automated analysis functions configured using the proposed concept for integration of IED data. The solution is open for adding new analysis functions that can utilize both the integrated IED data and the processing (analysis) results from other automated analysis functions. The analysis functions, system configuration, and the whole concept of data integration are evaluated using digital power system simulator.