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IEC 61439-5:2023

(Main)

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

IEC 61439-5:2023 is available as IEC 61439-5:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61439-5:2023 defines the specific requirements for public electricity network distribution assemblies (PENDAs). PENDAs have the following criteria:
- used for the distribution of electrical energy in three phase systems for which the rated voltage does not exceed 1 000 V AC (see Figure 101 for a typical distribution network) and DC systems not exceeding 1 500 V DC;
- stationary;
- open type assemblies are not covered by this document;
- suitable for installation in places where only skilled persons have access for their use, however, outdoor types can be installed in situations that are accessible to ordinary persons
- intended for use in energy distribution in public power grids;
- indoor use: assemblies for installation inside of electric power substations;
- outdoor use: assemblies containing an enclosure suitable for open air installation.
This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) omission of the requirement to conduct mechanical tests at -25 °C when enclosures are made of a metallic material;
b) addition of assumed loading factors generation supplies and electric vehicle charging applications;
c) additional dielectric tests when a PENDA is used in a distribution substation with separate HV and LV earths;
d) further clarification of representative samples for design verification.

Ensembles d'appareillage à basse tension - Partie 5: Ensembles pour réseaux de distribution publique

IEC 61439-5:2023 est disponible sous forme de IEC 61439-5:2023 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 61439-5:2023 définit les exigences spécifiques aux ensembles pour réseaux de distribution publique d'électricité (ERD). Les ERD remplissent les critères suivants:
- ils sont utilisés pour la distribution de l'énergie électrique dans des systèmes triphasés pour lesquels la tension assignée ne dépasse pas 1 000 V en courant alternatif (se reporter à la Figure 101 qui représente un réseau de distribution classique) et des systèmes à courant continu qui ne dépassent pas 1 500 V en courant continu;
- ils sont fixes;
- les ensembles ouverts ne sont pas couverts par le présent document;
- ils sont adaptés à une installation dans des emplacements où seules des personnes qualifiées ont accès pour leur utilisation; cependant, les types pour l'extérieur peuvent être installés dans des endroits accessibles à des personnes ordinaires;
- ils sont destinés à être utilisés dans les réseaux de distribution publique;
- à l'intérieur: ensembles installés à l'intérieur de postes d'alimentation électrique;
- à l'extérieur: ensembles avec une enveloppe adaptée à une installation en plein air.
Cette troisième édition annule et remplace la deuxième édition parue en 2014. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) omission de l'exigence de réalisation d'essais mécaniques à -25 °C lorsque les enveloppes sont en matériau métallique;
b) ajout d'application de charge de véhicules électriques et de production d'énergie avec des facteurs de charge présumés;
c) ajout d'essais diélectriques lorsqu'un ERD est utilisé dans un poste avec terres HT et BT séparées;
d) description plus détaillée des échantillons représentatifs pour la vérification de la conception.

General Information

Status
Published
Publication Date
03-May-2023
ICS
29.130.20 - Low voltage switchgear and controlgear
Technical Committee
SC 121B - Low-voltage switchgear and controlgear assemblies
Drafting Committee
MT 7 - TC 121/SC 121B/MT 7
Current Stage
PPUB - Publication issued
Start Date
02-Jun-2023
Completion Date
05-May-2023
Ref Project

Relations

Revises
IEC 61439-5:2014 - Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks
Effective Date
05-Sep-2023

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IEC 61439-5:2023 RLV - Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks Released:5/4/2023IEC 61439-5:2023 RLV - Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks Released:5/4/2023
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IEC 61439-5:2023 RLV - Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks Released:5/4/2023
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IEC 61439-5
®


Edition 3.0 2023-05
REDLINE VERSION
INTERNATIONAL
STANDARD

colour
inside

Low-voltage switchgear and controlgear assemblies –
Part 5: Assemblies for power distribution in public networks

IEC 61439-5:2023-05 RLV(en)

---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61439-5
®

Edition 3.0 2023-05
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Low-voltage switchgear and controlgear assemblies –
Part 5: Assemblies for power distribution in public networks
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.130.20 ISBN 978-2-8322-6987-9

 Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission

---------------------- Page: 3 ----------------------
– 2 – IEC 61439-5:2023 RLV © IEC 2023
CONTENTS
FOREWORD . 3
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 8
4 Symbols and abbreviations . 9
5 Interface characteristics. 9
6 Information . 10
7 Service conditions . 10
8 Constructional requirements . 10
9 Performance requirements. 14
10 Design verification . 14
11 Routine verification . 30
Annexes .
...

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