Microcontroller-based validation system for RCCB/RCBO residual current and trip time testing using CT sensing, ADC threshold detection, and IEC 61008/61009 test verification.

Documents (Voltage transformers, Current transformers, Energy meters installation and maintenance

Electrical energy metering system website

This repository contains information for proper sizing of Current and Voltage transformers for a low voltage metering system.

Reason why the secondary terminals of a CT shouldn't be left open