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BSI - BS EN 50522

Earthing of power installations exceeding 1 kV a.c.

active, Most Current
Organization: BSI
Publication Date: 28 February 2023
Status: active
Page Count: 114
ICS Code (Fuses and other overcurrent protection devices): 29.120.50

Document History

24/30485890 DC
January 12, 2024
Draft BS EN 50522 Earthing of power installations exceeding 1 kV a.c.
A description is not available for this item.
BS EN 50522
February 28, 2023
Earthing of power installations exceeding 1 kV a.c.
A description is not available for this item.
BS EN 50522
July 31, 2012
Earthing of power installations exceeding 1 kV a.c.
A description is not available for this item.

References

This document references:
EN 60529 - Degrees of Protection Provided by Enclosures (IP Code)
Published by CENELEC on October 1, 1991
This standard applies to the classification for degrees of protection provided by enclosures ofr electrical equipment with a rated voltage not exceeding 72.5 kV. The object of this standard is to...
This document references:
EN 60909-3 - Short-circuit currents in three-phase a.c systems - Part 3: Currents during two separate simultaneous line-to-earth short-circuits and partial short-circuit currents flowing through earth
Published by CENELEC on March 1, 2010
Scope and object This part of IEC 60909 specifies procedures for calculation of the prospective short-circuit currents with an unbalanced short circuit in high-voltage three-phase a.c. systems...
This document references:
EN IEC 62561-2 - Lightning protection system components (LPSC) - PART 2: Requirements for conductors and earth electrodes
Published by CENELEC on March 1, 2018
Part 2 of IEC 62561 specifies the requirements and tests for: – metallic conductors (other than "natural" conductors) that form part of the air-termination and down-conductor systems, – metallic...
This document references:
IEC 60479-1 - Effects of current on human beings and livestock – Part 1: General aspects
Published by IEC on December 1, 2018
This part of IEC 60479 provides basic guidance on the effects of shock current on human beings and livestock For a given current path through the human body, the danger to persons depends mainly on...
This document references:
IEC 60949 - Calculation of Thermally Permissible Short-Circuit Currents, Taking into Account Non-Adiabatic Heating Effects
Published by IEC on January 1, 1988
INTRODUCTION The method of calculating the short-circuit rating of any current carrying component of a cable has generally been based on the assumption that the heat is retained inside the current...
This document is referenced by:
BS EN 50110-1 - Operation of electrical installations Part 1: General requirements
Published by BSI on July 31, 2023
A description is not available for this item.
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