IEC 60076-13 : 1.0
IEC 60076-13 : 1.0
POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
International Electrotechnical Committee
POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
International Electrotechnical Committee
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
Covers high-voltage/low-voltage self-protected liquid-filled and naturally cooled transformers for rated power 50 kVA to 1 000 kVA for indoor or outdoor use having a: - primary winding (high-voltage) with highest voltage for equipment up to 24 kV; - secondary winding (low-voltage) with highest voltage for equipment of 1,1 kV.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 14 |