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IEC/IEEE 60076-57-1202 : 1ED 2017

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IEC/IEEE 60076-57-1202 : 1ED 2017

POWER TRANSFORMERS - PART 57-1202: LIQUID IMMERSED PHASE-SHIFTING TRANSFORMERS

International Electrotechnical Committee

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Table of Contents

FOREWORD<br>1 Scope <br>2 Normative references <br>3 Terms and definitions <br>4 Use of normative references <br>5 Service conditions<br>6 Rating and general requirements<br>7 Construction <br>8 Short circuit capability<br>9 Connection phase displacement symbols<br>10 Rating plates (nameplates) <br>11 Terminal markings and phase rotation<br>12 Information to be provided by the manufacturer<br>13 Tests<br>14 Tolerances <br>Annex A (informative) - Check list of information to<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;be provided with enquiry and order<br>Annex B (informative) - Behaviour of a phase shifting<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;transformer with non-symmetrical fault currents<br>Annex C (informative) - Example specification of buck<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;capability<br>Annex D (informative) - Additional noise measurements<br>Annex E (informative) - Calculation of phase angle under<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;load<br>Annex F (informative) - Additional information on<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;advance-retard switch <br>Bibliography

Abstract

Includes the requirements for phase-shifting transformers of all types.

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Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 14