IEC 60989 : 1.0
IEC 60989 : 1.0
SEPARATING TRANSFORMERS, AUTOTRANSFORMERS, VARIABLE TRANSFORMERS AND REACTORS
International Electrotechnical Committee
Specials
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SAE AS 4262 : 2012
$78.00 (-56%) $34.32
Table of Contents
Foreword<br>Preface<br>General Plan of the Standard<br>Chapter I: General Requirements<br>1. Scope and object<br>2. Definitions<br>3. General requirements<br>4. General notes on tests<br>5. Rating<br>6. Classification<br>7. Marking<br>8. Protection against electric shock<br>9. Change of input voltage setting<br>10. Output voltage and output current under load<br>11. No-load output voltage<br>12. Short-circuit voltage<br>13. Heating<br>14. Short-circuit and overload protection<br>15. Mechanical strength<br>16. Protection against harmful ingress of water and moisture<br>17. Insulation resistance and electric strength<br>18. Construction<br>19. Components<br>20. Internal wiring<br>21. Supply connection and external flexible cables and cords<br>22. Terminals for external conductors<br>23. Provision for protective earthing<br>24. Screws and connections<br>25. Creepage distances and clearances<br>26. Resistance to heat, abnormal heat, fire and tracking<br>27. Resistance to rusting<br>Appendix I-A - Production tests<br>Appendix I-B - Void <br>Appendix I-C - Examples of points of application of test <br>voltages<br>Appendix I-D - Measurement of creepage distances and <br>clearances<br>Appendix I-E - Examples of points of measurement of <br>creepage distances and clearances<br>Chapter II: Particular Requirements for Special Separating <br>Transformers<br>Section One - Control Transformers<br>1. Scope and Object<br>2. Definitions<br>7. Marking<br>9. Change of input voltage setting<br>10. Output voltage and output current under load<br>11. No-load output voltage<br>13. Heating<br>17. Insulation resistance and electric strength<br>25. Creepage distances and clearances<br>Section Two - Ignition Transformers for Gas and Oil Burners<br>1. Scope and object<br>2. Definitions<br>4. General notes on tests<br>5. Rating <br>6. Classification<br>7. Marking<br>8. Protection against electric shock<br>10. Output voltage and output current under load<br>11. No-load output voltage<br>13. Heating <br>14. Short-circuit and overload protection<br>16. Protection against harmful ingress of water and moisture<br>17. Insulation resistance and electric strength<br>18. Construction<br>25. Creepage distances and clearances<br>Appendix II-B - Void <br>Appendix II-B - Measurement of leakage current for ignition<br>transformers for gas and oil burners<br>Section Three - High Insulation Level Transformers and <br>Separating Transformers with Working Voltage Above 1 000 V<br>1. Scope and object<br>2. Definitions<br>7. Marking<br>10. Output voltage and output current under load<br>11. No-load output voltage<br>17. Insulation resistance and electric strength<br>25. Creepage distances and clearances<br>Section Four - Stray Field Transformers<br>Under consideration<br>Section Five - Stabilizing Transformers (Current and Voltage <br>Types)<br>Under consideration<br>Chapter III: Particular Requirements for Autotransformers<br>1. Scope and object<br>2. Definitions<br>5. Rating<br>7. Marking<br>8. Protection against electric shock<br>10. Output voltage and output current under load<br>17. Insulation resistance and electrical strength<br>25. Creepage and clearance distances<br>26. Resistance to heat, abnormal heat, fire and tracking<br>Appendix III-A - Production tests<br>Chapter IV: Supplementary Specifications for Variable <br>Transformers<br>1. Scope and object<br>2. Definitions<br>6. Classification<br>7. Marking<br>8. Protection against electric shock<br>10. Output voltage and output current under load<br>11. No-load output voltage<br>13. Heating<br>15. Mechanical strength<br>18. Construction<br>21. Supply connection and external flexible cables and cords<br>25. Creepage distances and clearances<br>Appendix IV-A - Tests during production<br>Chapter V: Supplementary Particular Requirements for Reactors<br>Under consideration<br>Figures
Abstract
Applies to stationary or portable, single-phase or polyphase, air-cooled separating transformers, autotransformers, variable transformers and small reactors, associated or not, and have a rated supply voltage of not more than 1 000 V a.c., a rated frequency of not more than 500 Hz, a rated no-load or load output voltage of not more than 15 kV a.c. or d.c. and a rated output not exceeding 1 kVA for single-phase transformers, 2 kVAR for single-phase reactors, 5kVA for polyphase transformers and 10 kVAR for polyphase reactors, unless stated otherwise in the relevant chapters.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 96 |
| Superseded By |
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