IEEE 2455-2023
$47.67
IEEE Recommended Practice for the Repair and Maintenance of Direct Current Electric Machines (Published)
| Published By | Publication Date | Number of Pages |
| IEEE | 2023 | 76 |
New IEEE Standard – Active. Best practice methods for the inspection, testing, mechanical repair, rewinding, assembly and acceptance testing, as well as recommended and maintenance practices for direct current electric motors and generators, are covered in this recommended practice. (Additional downloads are available for this standard at https://standards.ieee.org/wp-content/uploads/import/download/2455-2023_downloads.zip)
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std 2455™-2023 Front cover |
| 2 | Title page |
| 4 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
| 8 | Participants |
| 9 | Introduction |
| 10 | Contents |
| 12 | 1. Overview 1.1 Scope 1.2 Purpose |
| 13 | 1.3 Word usage 2. Normative references |
| 14 | 3. Definitions, acronyms, and abbreviations 3.1 Definitions |
| 15 | 3.2 Acronyms and abbreviations |
| 16 | 4. Responsibilities 4.1 User responsibility |
| 18 | 4.2 Repair facility responsibility |
| 19 | 5. Preliminary assessment 5.1 Initial receipt |
| 20 | 5.2 Incoming tests |
| 22 | 5.3 Initial run check |
| 23 | 6. Condition and damage appraisal 6.1 Component marking and evaluation |
| 26 | 6.2 Detailed mechanical evaluation |
| 33 | 6.3 Detailed electrical evaluation |
| 35 | 6.4 Brush rigging evaluation |
| 37 | 7. Cleaning and reconditioning 8. Facility repair or refurbishment period 8.1 Armatures |
| 38 | 8.2 Field frames, brush rigging, and associated parts |
| 39 | 8.3 Stripping and recording of winding data |
| 40 | 8.4 Armature and frame lamination evaluation |
| 41 | 8.5 Field winding types |
| 43 | 8.6 Replacement of coils |
| 44 | 8.7 Bearing replacement and restoration of rotational fits and seals |
| 45 | 8.8 Balancing |
| 46 | 8.9 Electrical connections 8.10 Connection methods |
| 50 | 8.11 Other mechanical fits 8.12 Painting 8.13 Permanent magnet fields |
| 51 | 8.14 Final test |
| 52 | 8.15 No-load vibration testing |
| 53 | 9. Preparation for shipping 10. Field service and repairs 11. Post repair 11.1 Repair facility 11.2 Receiving at site |
| 54 | 11.3 User handling 11.4 Storage |
| 57 | Annex A (informative) Bibliography |
| 58 | Annex B (informative) Typical repair facility Evaluation and Repair Form21 |
| 62 | Annex C (informative) Commutator and commutation C.1 Turn and undercut C.2 Commutation |
| 63 | C.3 Acceptable commutator appearance |
| 65 | C.4 Other commutator patterns |
| 66 | Annex D (informative) Sleeve bearing clearance |
| 69 | Annex E (informative) Ventilation and cooling E.1 Overview |
| 70 | E.2 Missing or improperly installed fans or auxiliary blowers |
| 71 | E.3 Missing, damaged, or incorrectly installed covers and gaskets |
| 72 | E.4 Ventilation improvement tips |
| 74 | Annex F (informative) Post-assembly electrical adjustments |
| 75 | Annex G (informative) Bearing currents in dc machines |
| 76 | Back cover |
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