IEEE C37.93-2004 - IEEE Guide for Power System Protective Relay Applications of Audio Tones Over Voice Grade Channels

Publication Date: July 31, 2004

Publishing Organization: IEEE

Format: PDF

Summary:
This document contains the detailed information of the standard IEEE C37.93-2004. Guidelines for applying audio tones over voice grade channels for power system relaying are provided in this document, including transmitting and receiving equipment, leased voice grade channels, application principles, installation, and testing.