scope:

Foreword

This guide concentrates on the connection of surge arresters for distribution system terminal pole applications in order to minimize the total impressed transient voltage that the cable system can experience during surge current discharge. It is not the intent of this guide to recommend the use of surge arresters, as that is addressed in IEEE Std C62.22-1991, IEEE Guide for the Application of Metal-Oxide Surge Arresters for Alternating-Current Systems. Pole or system grounding values and techniques are not addressed. Practical, simple examples are provided in an informative annex to estimate margins of protection depending upon the arrester installation technique used.

Scope

This guide suggests surge arrester installation methods at distribution cable terminal poles in order to minimize the total impressed transient voltage on medium-voltage distribution cables. Grounding electrode techniques, pole ground values, and system ground grid values are not addressed or considered in this document.