GB1388512A - Three phase main exciter - Google Patents
Three phase main exciterInfo
- Publication number
- GB1388512A GB1388512A GB5359772A GB5359772A GB1388512A GB 1388512 A GB1388512 A GB 1388512A GB 5359772 A GB5359772 A GB 5359772A GB 5359772 A GB5359772 A GB 5359772A GB 1388512 A GB1388512 A GB 1388512A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exciter
- fan
- cooling
- ducts
- armature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
1388512 Cooling electric exciter windings KRAFTWERK UNION AG 20 Nov 1972 [20 Nov 1971] 53597/72 Heading H2A In a 3 Ph. main exciter whose armature incorporates a plurality of conductor bars 1, 2 portions 1<SP>1</SP> , 1<SP>11</SP> of which project as winding end turns from one end of the armature core and which are uniformly disposed in two layers around the outer region of the armature the portions in each layer are for a part of these length so bent together in pairs that the parts of each pair are adjacent each other and that the spacing between neighbouring conductor pairs is greater than that between bar portions at the end of the core, there being a fan 14 secured to the exciter shaft 10 for impelling cooling air into the spaces 5 between the conductor pairs. This construction is to improve the cooling of the end turns, and whilst as shown a single radial fan is provided the fan may alternatively be axial, or there may be two fans at one end or one fan at each end of the exciter. The shaft 10 has a star-shaped cross-section to define axial cooling ducts 11 leading through passages 12 between the armature core laminations 3 towards the field poles 13. A baffle 16 divides the fan output into two streams 17, 18, the former passing through passages 21 between the field poles 13 and the exciter housing 20 to both the remote end turns 22, and the ducts 11, and the latter passing to both the near end turns 29 and the ducts 11. In addition, openings 28 in the baffle 19 permit cooling of the field poles 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2157715A DE2157715C3 (en) | 1971-11-20 | 1971-11-20 | Arrangement for cooling the winding bars of the rotor winding heads of an electrical machine, in particular a three-phase main exciter |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1388512A true GB1388512A (en) | 1975-03-26 |
Family
ID=5825712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5359772A Expired GB1388512A (en) | 1971-11-20 | 1972-11-20 | Three phase main exciter |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5646708B2 (en) |
AU (1) | AU472794B2 (en) |
DE (1) | DE2157715C3 (en) |
GB (1) | GB1388512A (en) |
ZA (1) | ZA728185B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0881749A2 (en) * | 1997-05-26 | 1998-12-02 | Denso Corporation | Stator winding arrangement of alternator for vehicle |
EP0881751A2 (en) * | 1997-05-26 | 1998-12-02 | Denso Corporation | Stator cooling arrangement of alternator for vehicle |
EP0881748A2 (en) * | 1997-05-26 | 1998-12-02 | Denso Corporation | Alternator for vehicle |
US5965965A (en) * | 1997-05-26 | 1999-10-12 | Denso Corporation | Stator winding arrangement of alternator for vehicle |
US6011332A (en) * | 1997-05-26 | 2000-01-04 | Denso Corporation | Stator cooling arrangement of alternator for vehicle |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59133906U (en) * | 1983-02-28 | 1984-09-07 | 東芝テック株式会社 | cooking machine |
-
1971
- 1971-11-20 DE DE2157715A patent/DE2157715C3/en not_active Expired
-
1972
- 1972-11-20 GB GB5359772A patent/GB1388512A/en not_active Expired
- 1972-11-20 ZA ZA728185A patent/ZA728185B/en unknown
- 1972-11-20 JP JP11649272A patent/JPS5646708B2/ja not_active Expired
- 1972-11-20 AU AU49070/72A patent/AU472794B2/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0881749A2 (en) * | 1997-05-26 | 1998-12-02 | Denso Corporation | Stator winding arrangement of alternator for vehicle |
EP0881751A2 (en) * | 1997-05-26 | 1998-12-02 | Denso Corporation | Stator cooling arrangement of alternator for vehicle |
EP0881748A2 (en) * | 1997-05-26 | 1998-12-02 | Denso Corporation | Alternator for vehicle |
EP0881751A3 (en) * | 1997-05-26 | 1999-01-13 | Denso Corporation | Stator cooling arrangement of alternator for vehicle |
EP0881749A3 (en) * | 1997-05-26 | 1999-01-20 | Denso Corporation | Stator winding arrangement of alternator for vehicle |
US5965965A (en) * | 1997-05-26 | 1999-10-12 | Denso Corporation | Stator winding arrangement of alternator for vehicle |
US6011332A (en) * | 1997-05-26 | 2000-01-04 | Denso Corporation | Stator cooling arrangement of alternator for vehicle |
EP1465321A3 (en) * | 1997-05-26 | 2004-10-27 | Denso Corporation | Stator winding arrangement of alternator for vehicle |
EP0881748B1 (en) * | 1997-05-26 | 2008-10-08 | Denso Corporation | Alternator for vehicle |
Also Published As
Publication number | Publication date |
---|---|
JPS4863206A (en) | 1973-09-03 |
ZA728185B (en) | 1973-07-25 |
JPS5646708B2 (en) | 1981-11-05 |
AU4907072A (en) | 1974-05-23 |
DE2157715A1 (en) | 1973-05-24 |
AU472794B2 (en) | 1976-06-03 |
DE2157715B2 (en) | 1974-01-17 |
DE2157715C3 (en) | 1974-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |