IEEE Std C37.241 pdf download

IEEE Std C37.241 pdf download IEEE Guide for Application of Optical Instrument Transformers for Protective Relaying 4. Introduction 4.1 Overview Optical sensor technology to replace current transformers (CTs) and voltage transformers (VTs) has been demonstrated for over 20 years. These sensors use optics and electronics to achieve accuracy, linearity, dynamic range, and efficient installation far beyond the capabilities of familiar...