KEVCR 24 BA2 Indoor Combined Sensor Technical Description

This document describes the ABB KEVCR 24 BA2 indoor combined sensor, which integrates a Rogowski coil for current measurement and a capacitive divider for voltage measurement in medium voltage power systems. It details the sensor's parameters, principles, accuracy classes, and advantages over conventional instrument transformers, including linearity, compactness, and compatibility with modern protection and control IEDs.