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IEEE C62.41.3

IEEE Guide for Interactions between Power System Disturbances and Surge‐Protective Devices

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Organization: IEEE
Publication Date: 24 September 2020
Status: active
Page Count: 30
scope:

This guide applies to surge-protective devices (SPDs) intended for connection to 50 Hz to 60 Hz ac power circuits rated 1000 V RMS or less.

This guide describes the effects on SPDs of power system disturbances occurring in these low-voltage ac power circuits. The disturbances are not limited to surges. The effects of the presence and operation of SPDs on the quality of power available to the connected loads are described. The interaction among multiple SPDs on the same circuit is also described.

This guide discusses both voltage and current surges. Current surges that are solely the result of load changes and do not result in voltage increases, such as a short circuit, are not discussed in this guide. An SPD's primary purpose is to provide surge protection. Devices discussed in this guide contain at least one nonlinear component for diverting surge current and/or dissipating surge energy, such as a metal oxide varistor (MOV), silicon avalanche diode (SAD), thyristor, or spark gap. Uninterruptible power supplies (UPSs), ferroresonators, motor-generators, and filters containing only inductive and/or capacitive components are not considered SPDs in this guide.

Purpose

The purpose of this document is to provide information on the interactions between power system disturbances and SPDs that is not readily available in other standards. This document provides summary information on power system disturbances that affect or can affect SPDs. The description of the interactions is intended to inform the potential user of such SPDs as to what can be expected from such devices.

NOTE-Data used for the preparation of this standard was obtained primarily from low-voltage ac power distribution systems used in North America.1

1Notes in text, tables, and figures of a standard are given for information only and do not contain requirements needed to implement this standard.

Document History

IEEE C62.41.3
September 24, 2020
IEEE Guide for Interactions between Power System Disturbances and Surge‐Protective Devices
This guide applies to surge-protective devices (SPDs) intended for connection to 50 Hz to 60 Hz ac power circuits rated 1000 V RMS or less. This guide describes the effects on SPDs of power system...

References

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