A Brief Analysis of the Differences in Secondary Equipment Routine Inspection Work Between Intelligent Substations with Sampled Value and Trip Matrix and Conventional Substations

Taking the latest Southern Power Grid′s standard intelligent substation with sampled value and trip matrix as an example, this article introduces the differences in secondary equipment between intelligent substations and conventional substations. Using the routine inspection of main transformer protection devices as an example, it analyzes the content of secondary equipment inspection work, providing a reference for future operation and maintenance of intelligent substations with sampled value and trip matrix.