CEI EN 50522 : 2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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EARTHING OF POWER INSTALLATIONS EXCEEDING 1 KV A.C.
Hardcopy , PDF
English, English - Italian
01-01-2011
22-12-2022
1 Scope
2 Normative references
3 Terms and definitions
4 Fundamental requirements
5 Design of earthing systems
6 Measures to avoid transferred potential
7 Construction of earthing systems
8 Measurements
9 Maintainability
Annex A (normative) - Method of calculating permissible
touch voltages
Annex B (normative) - Touch voltage and body current
Annex C (normative) - Type and minimum dimensions of
earth electrode materials ensuring mechanical
strength and corrosion resistance
Annex D (normative) - Current rating calculation of earthing
conductors and earth electrodes
Annex E (normative) - Description of the recognized
specified measures M
Annex F (normative) - Measures on earthing systems to
reduce the effects of high frequency interference
Annex G (normative) - Detailed measures for earthing of
equipment and installations
Annex H (normative) - Measuring touch voltages
Annex I (informative) - Reduction factors related to earth
wires of overhead lines and metal sheaths of
underground cables
Annex J (informative) - Basis for the design of earthing
systems
Annex K (informative) - Installing the earth electrodes
and earthing conductors
Annex L (informative) - Measurements for and on
earthing systems
Annex M (normative) - Details on site inspection and
documentation of earthing systems
Annex N (informative) - The use of reinforcing bars in
concrete for earthing purpose
Annex O (informative) - Global Earthing System
Annex P (normative) - Special national conditions
Annex Q (informative) - A-deviations
Pertains to specify the requirements for the design and erection of earthing systems of electrical installations, in systems with nominal voltage above 1 kV a.c. and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended.
| Committee |
CT 99
|
| DevelopmentNote |
Classificazione CEI 99-3. Supersedes CEI 11-1. (03/2011) Supersedes CEI 11-1 V1. (12/2016)
|
| DocumentType |
Standard
|
| Pages |
70
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 50522:2010 | Identical |
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