BS EN IEC 61472-2:2021
Current
The latest, up-to-date edition.
Live working. Minimum approach distances Method of determination of the electrical component distance for AC systems from 1,0 kV to 72,5 kV
Hardcopy , PDF
English
11-05-2021
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
PEL/78
|
| DocumentType |
Standard
|
| ISBN |
9780539020700
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| SupersededBy |
IEC 61472-2:2021 specifies a method for determining the electrical component of the minimum approach distances for live working, for AC systems 1 kV up to and including 72,5 kV. This document addresses system overvoltages and the working air distances between equipment and/or workers at different potentials. The withstand voltage and minimum approach distances determined by the method described in this document can be used only if the following working conditions prevail:
- workers are trained for, and skilled in, working live lines or close to live conductors or equipment;
- the operating conditions are adjusted so that the statistical overvoltage does not exceed the value selected for the determination of the required withstand voltage;
- transient overvoltages are the determining overvoltages;
- tool insulation has no continuous film of moisture present on the surface;
- no lightning is observed within 10 km of the work site;
- allowance is made for the effect of the conducting components of tools.
| Standards | Relationship |
| EN 60034-14:2004/A1:2007 | Identical |
| IEC 61472-2:2021 | Identical |
| EN IEC 61472-2:2021 | Identical |
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