IEEE 389 2020
$53.63
IEEE Recommended Practice for Testing Transformers and Inductors for Electronics Applications
| Published By | Publication Date | Number of Pages |
| IEEE | 2020 | 97 |
Revision Standard – Active. A number of tests are presented for use in determining the significant parameters and performance characteristics of electronics transformers and inductors. These tests are designed primarily for transformers and inductors used in all types of electronics applications, but they may apply to the other types of transformers of large apparent-power rating used in the electric power utility industry.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std 389™-2020 front cover |
| 2 | Title page |
| 4 | Important Notices and Disclaimers Concerning IEEE Standards Documents Notice and Disclaimer of Liability Concerning the Use of IEEE StandardsDocuments |
| 5 | Translations Official statements Comments on standards Laws and regulations Copyrights |
| 6 | Photocopies Updating of IEEE Standards documents Errata Patents |
| 7 | Participants |
| 8 | Introduction |
| 9 | Contents |
| 12 | 1. Overview 1.1 Scope 1.2 Purpose |
| 13 | 1.3 Word usage |
| 14 | 2. Normative references 3. Definitions |
| 15 | 4. How to specify electronics transformers |
| 19 | 5. Insulation and corona tests 5.1 General 5.2 Electric strength test (hi-pot test) |
| 21 | 5.3 Induced potential test |
| 23 | 5.4 Corona tests |
| 27 | 6. DC resistance tests 6.1 General 6.2 Resistance values under 1 Ω—Kelvin double-bridge method |
| 28 | 6.3 Resistance values from 1 Ω to megohms |
| 33 | 7. Loss measurements 7.1 No-load loss |
| 38 | 7.2 Excitation apparent-power measurements 7.3 Stray-load losses |
| 40 | 7.4 Short-circuit power test |
| 41 | 7.5 Efficiency and power factor |
| 43 | 8. Ratio of transformation 8.1 General 8.2 Ideal transformation ratio |
| 44 | 8.3 Transformation ratio by impedance 8.4 Transformation ratio by inductance |
| 45 | 8.5 Coefficient of coupling 8.6 Measurement methods |
| 47 | 8.7 Impedance unbalance |
| 49 | 8.8 Balance tests |
| 51 | 8.9 Polarity tests 9. Transformer capacitance 9.1 General |
| 54 | 9.2 Interwinding capacitance 9.3 Distributed capacitance |
| 55 | 9.4 Bridge methods |
| 56 | 10. Inductance measurements by impedance bridge method 10.1 General 10.2 Method of measurement |
| 61 | 11. Transformer response measurements 11.1 Transformer frequency response |
| 64 | 11.2 Transformer pulse response |
| 66 | 12. Noise tests 12.1 Test conditions for audible noise 12.2 Measurement of audible noise |
| 67 | 13. Terminated impedance measurements 13.1 General 13.2 Return-loss method |
| 69 | 14. Temperature rise tests 14.1 Test methods |
| 70 | 14.2 Notes on the technique of measurement |
| 71 | 15. Self-resonance 15.1 General |
| 72 | 15.2 Measurement |
| 73 | 16. Voltage-time product rating 16.1 General 16.2 Recommended voltage-time product test methods |
| 74 | 17. Shielding 17.1 Electrostatic shielding |
| 78 | 17.2 Magnetic shielding |
| 79 | 18. Measurement of quality factor Q 18.1 Definition 18.2 Methods |
| 80 | 18.3 Bridge measurements 18.4 Q-meter measurements |
| 81 | 18.5 Transmission method |
| 82 | 18.6 Damped-oscillation method |
| 87 | 19. Common-mode rejection (CMR) test |
| 88 | 20. Inrush-current evaluation and measurement 20.1 Measurement 20.2 Calculation |
| 89 | 20.3 Other considerations |
| 90 | 21. Current transformer test 21.1 General 21.2 Recommended test procedure for current-transformation ratio and phase angle |
| 92 | Annex A (informative) Instrumentation for voltage and current measurements on inductors and transformers A.1 General A.2 True RMS measurements |
| 93 | A.3 Flux voltage measurements A.4 Applications |
| 94 | Annex B (informative) AC high-potential dielectric testing B.1 General B.2 Leakage current B.3 Corona |
| 95 | B.4 Breakdown B.5 Test equipment requirement |
| 96 | Annex C (informative) Bibliography |
| 97 | Back Cover |
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