IEC 60076-13:2006
Current
The latest, up-to-date edition.
Power transformers - Part 13: Self-protected liquid-filled transformers
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, Spanish, Castilian
05-24-2006
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
5 Electrical characteristics
5.1 Rated power
5.2 Highest voltage for equipment
5.3 Windings
5.4 Tappings
5.5 Connection group
5.6 Dimensioning of the low-voltage winding neutral
connection
5.7 Short-circuit impedance
5.8 Insulation levels and dielectric tests
5.9 Temperature rise limits at rated power
5.10 Overload capability
6 Self-protection and disconnection device (SPDD)
6.1 Functional requirements
6.2 Coordination principle
6.3 Mechanical requirements
7 Constructional requirements
7.1 Liquid preservation system
7.2 Bushings
7.3 Dielectric liquid and component materials
7.4 Disconnection function
8 Information to be supplied by the customer
9 Information to be supplied by the manufacturer
10 Rating plate
11 Tests
11.1 List and classification of tests (routine, type and
special tests)
11.2 Routine tests
11.3 Type tests
11.4 Short-circuit test with the self-protection and
disconnection device disconnected or bypassed
12 Test procedure
12.1 Measurement of partial discharges
12.2 Transformer pressure test
12.3 Switching cycle tests
12.4 Behaviour test of self-protection and disconnection
device
Figure
Table
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