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BS EN IEC 61439-5:2023

BS EN IEC 61439-5:2023

$167.15

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

Published By Publication Date Number of Pages
BSI 2023 44
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
7 FOREWORD
9 1 Scope
10 2 Normative references
Figures
Figure 101 – Typical distribution network
11 3 Terms and definitions
12 4 Symbols and abbreviations
5 Interface characteristics
6 Information
Tables
Table 101 – Values of assumed loading
13 7 Service conditions
14 8 Constructional requirements
16 9 Performance requirements
10 Design verification
19 Figure 102 – Diagram of test to verify resistance to shock load of a PENDA-O
20 Figure 103 – Diagram of test to verify impact force withstand of a PENDA-O
21 Figure 104 – Diagram of test to verify the resistance to static load
22 Figure 105 – Sandbag for test to verify the resistance to shock load
24 Figure 106 – Diagram of test to verify resistance to torsional stress of a PENDA-O
27 Figure 107 – Diagram of test to verify the mechanical strength of doors
28 Figure 108 – Striker element for test of resistanceto mechanical shock impacts induced by sharp-edged objects
Table 102 – Axial load to be applied to the inserts
29 Figure 109 – Typical test arrangement for mechanical strength of base
31 11 Routine verification
32 Annexes
33 Annex L (informative) Guidance on verification of temperature rise
34 Annex AA (normative) Cross-section of conductors
Table AA.1 – Minimum and maximum cross-section of copperand aluminium conductors, suitable for connection (see 8.8)
35 Table AA.2 – Standard cross-sections of round copper conductors and approximate relationship between mm2 and AWG/kcmil sizes (see 8.8 of IEC 61439‑1:2020)
36 Annex BB (informative) Items subject to agreement between the assembly manufacturer and the user
Table BB.1 – Items subject to agreement between the assembly manufacturer and the user
40 Annex CC (informative) Design verification
Table CC.1 – List of design verifications to be performed
41 Annex DD (informative) List of notes concerning certain countries
42 Bibliography

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