FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and acronyms
4 Classification
5 Ratings
6 Load loss and voltage drop in
transformers and reactors
7 Tests for converter transformers
8 On load noise level with transductors
and/or IPT
Annex A (informative) - Determination of transformer
service load loss at rated nonsinusoidal
converter current from measurements
with rated transformer current of
fundamental frequency
Annex B (informative) - Short-circuit test currents
and load losses in transformers for
single-way converters (total loss injection)
Annex C (informative) - Current sharing measurement
in high current valve windings
Annex D (informative) - Examples of duty cycles
Annex E (informative) - Guidelines for design review
Annex F (informative) - Determination of loss in
transformer tank due to magnetic
field. 3D simulation and guidelines
for tank losses evaluation and tank
hotspot calculation
Annex G (informative) - Short-circuit measurements
of rectifier transformers equipped
with built in transductors
Annex H (informative) - Determination of the transformer
voltage ratio and phase displacement
by the turn ratio measurements
Annex I (informative) - Phase displacement connections
and terminal indications of
converter transformers
Annex J (normative) - Correlation between IEC 61378-1
and IEC 60146-1-1 ratings
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications