IEC 61330:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
High-voltage/low voltage prefabricated substations
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
13-06-2006
English - French, Spanish, Castilian
05-12-1995
FOREWORD
INTRODUCTION
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
2 Service conditions
2.1 Normal service conditions
2.2 Special service conditions
3 Requirements for components
4 Ratings
4.1 Rated voltages
4.2 Rated insulation levels
4.3 Rated frequency and number of phases
4.4 Rated normal currents and temperature rise
4.5 Rated short-time withstand currents
4.6 Rated peak withstand currents
4.7 Rated duration of short circuit
4.8 Rated supply voltage of operating devices and
auxiliary circuits
4.9 Rated supply frequency of operating devices and
auxiliary circuits
4.10 Rated maximum power of the prefabricated
substation
4.11 Rated class of enclosure
5 Designation and construction
5.1 Earthing
5.2 Auxiliary equipment
5.3 Nameplate
5.4 Degree of protection and internal fault
5.5 Enclosure
5.6 Sound emission
6 Type tests
6.1 Dielectric tests
6.2 Temperature-rise tests
6.3 Short-time and peak withstand current tests on
earthing circuits
6.4 Functional tests
6.5 Verification of the degree of protection
6.6 Mechanical tests
7 Routine tests
7.1 Voltage withstand tests on auxiliary circuits
7.2 Functional tests
7.3 Verification of correct wiring
7.4 Tests after assembly on site
8 Guide to the selection of prefabricated substations
for service
9 Information to be given with enquiries, tenders and
orders
9.1 Information with enquiries and orders
9.2 Information with tenders
10 Rules for transport, erection, operation and
maintenance
10.1 Conditions during transport, storage and
erection
10.2 Erection
10.3 Operation
10.4 Maintenance
Annex A - Method for testing the prefabricated substation
under conditions of arcing due to an internal fault
Annex B - Test to verify the sound level of a prefabricated
substation
Annex C - Mechanical impact test
Annex D - Rating of transformers in an enclosure
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