CEI EN 61378-1 : 2012

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

Related to the specification, design and testing of power transformers and reactors which are intended for integration within semiconductor converter plants.