Modified:
The new IEC 61000-4-11: Electromagnetic compatibility (EMC) – Part 4-11: Testing and measurement techniques – Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase, is now in edition 3.0 and replaces the previous 2.1 edition. This section of IEC 61000 defines the immunity test method and range of preferred test levels for electrical and electronic equipment connected to low-voltage power supply networks for voltage dips, short interruptions, and voltage variations.
This applies to electrical/electronic equipment with a rated input current not exceeding 16A/phase, for 50 Hz or 60Hz networks. This document aims to establish a common reference for evaluating the immunity of electrical and electronic equipment when subjected to voltage dips. This document makes references to IEC 61000-2-8.
So What Changed?
Aside from some formatting changes, there are a few technical changes that have been made. Some sections that were optional in the previous editions are now required. Some sections were also taken out of this edition entirely. The biggest change is the addition of Appendix D which talks about the generator specification requirements for voltage, rise and fall time, and inrush current capability. to easily see the changes between editions make sure you grab the red-line edition here. Redline editions come pre-marked from the publisher and clearly show the changes that were made this time around.
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