DIN EN 50329 : 2011 COR 1 2011
Current
The latest, up-to-date edition.
Hardcopy
German
04-01-2011
Introduction
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 List of symbols
1.5 Service conditions
2 General requirements for a traction transformer
2.1 Loading
2.2 Checking of the capability of the transformer
to sustain the stipulated load cycle
2.3 Transferred overvoltages
2.4 Short circuit stresses
2.5 Insulation characteristics and test values
2.6 Other peculiar features
2.7 Requirements for the simulation test
2.8 Rating plate
3 Directly-coupled traction transformer
3.1 General
3.2 Dielectric tests for windings with U[m] < 300 kV
3.3 Dielectric tests for windings with U[m] >= 300 kV
4 Traction converter transformers
4.1 General
4.2 Short-circuit impedance and load loss
4.3 Tolerances
5 Auxiliary transformers
6 Traction auto-transformers
6.1 General
6.2 Specific requirements for auto-transformers
Annex A (informative) Preferred duty classes
Annex B (normative) Insulation characteristics and test
values
Annex C (normative) Determination of losses and of
equivalent current by means of alternative
methods
Annex D (informative) Method for the calculation of the
temperature rises during the load cycle
Annex E (informative) Evaluation of traction transformer
behaviour
Annex F (informative) Information for tenders and orders
Bibliography
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