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GB/Z 41909-2022Low-voltage switchgear and controlgear - Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/Z 41909-2022 (Low-voltage switchgear and controlgear - Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies) is available as an English-translated PDF.

GB/Z 41909-2022 is the Chinese standard "Low-voltage switchgear and controlgear - Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies".

Its scope clause reads: The purpose of this document is to define the classification of the electromagnetic environment to harmonize as far as possible all low-voltage switchgear, controlgear with built-in electronic circuits And EMC principles and requirements for complete sets of equipment.

This document also covers EMC requirements related to radiocommunication functions. Typical application environments for such devices include power distribution in infrastructure, commercial and industrial buildings, and machines including motor drive systems. mechanical control system.

The purpose of the EMC requirements is to ensure the safe and reliable operation of equipment and to ensure that radio communication equipment is in its intended use environment. communication efficiency in the environment.

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Document preview — GB/Z 41909-2022

National Standard of the People's Republic of China

ICS: 29.130.20
Classification: K 30

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Classification of the electromagnetic environment
5 Drafting EMC requirements in relevant standards
6 Radio communication
7 EMC related information
8 Tests of switchgear and controlgear
Appendix A (Informative) Principles of Electromagnetic Compatibility Based on Grid Topology
Appendix B (Informative) Electromagnetic Phenomena

1 Scope

The purpose of this document is to define the classification of the electromagnetic environment to harmonize as far as possible all low-voltage switchgear, controlgear with built-in electronic circuits

And EMC principles and requirements for complete sets of equipment.

This document also covers EMC requirements related to radiocommunication functions.

Typical application environments for such devices include power distribution in infrastructure, commercial and industrial buildings, and machines including motor drive systems.

mechanical control system.

The purpose of the EMC requirements is to ensure the safe and reliable operation of equipment and to ensure that radio communication equipment is in its intended use environment.

communication efficiency in the environment.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 7251.1-2013 Low-voltage switchgear and control equipment - Part 1.General (IEC 61439-1.2011, IDT)

GB/T 17626.2-2018 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test (IEC 61000-4-2.2008,

IDT)

GB/T 18039.4-2017 Compatibility Level of Low-Frequency Conducted Disturbance in Factory for Electromagnetic Compatibility Environment (IEC 61000-2-4.2002,

IDT)

IEC 60050-161.1990/AMD1.1997 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 1

IEC 60050-161.1990/AMD2.1998 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 2

IEC 60050-161.1990/AMD3.2014 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 3

IEC 60050-161.1990/AMD4.2014 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 4

IEC 60050-161.1990/AMD5.2015 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 5

IEC 60050-161.1990/AMD6.2016 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 6

IEC 60050-161.1990/AMD7.2017 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 7

IEC 60050-161.1990/AMD8.2018 International Electrotechnical Vocabulary Part 161.Electromagnetic Compatibility Amendment 8

Note. GB/T 4365-2003 Electrotechnical Terminology Electromagnetic Compatibility (IEC 60050-161.1990 AMD2, IDT)

Note. GB/T 15166.1-2019 High Voltage AC Fuses Part 1.Terminology (IEC 60050-441.1984, MOD)

IEC 60364-4-44 Low-voltage electrical installations - Part 4-44.Protection against voltage disturbances and electromagnetic disturbances (Low-

GB/T 36277 | GB/T 34130.1 | GB/T 34130.21 | GB/T 11918.1 | GB/Z 41912 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 51 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 61439 · IEC 61000 · IEC 60050 · IEC 60364

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