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Comitato Elettrotecnico Italiano

Power installations exceeding 1 kV a.c. Part 1: Common rules
 N EN 61936-1

Annotation

This part of IEC 61936 provides common rules for the design and the erection of electrical power installations in systems with nominal voltages 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.

For the purpose of interpreting this standard, an electrical power installation is considered to be one of the following:

a) Substation, including substation for railway power supply

b) Electrical installations on mast, pole and tower Switchgear and/or transformers located outside a closed electrical operating area

c) One (or more) power station(s) located on a single site The installation includes generators and transformers with all associated switchgear and all electrical auxiliary systems. Connections between generating stations located on different sites are excluded.

d) The electrical system of a factory, industrial plant or other industrial, agricultural, commercial or public premises

e) Electrical installations erected on offshore platforms e.g. offshore wind power farms. The electrical power installation includes, among others, the following equipment:

– rotating electrical machines;

– switchgear;

– transformers and reactors;

– converters;

– cables;