[go: up one dir, main page]

GB1388512A - Three phase main exciter - Google Patents

Three phase main exciter

Info

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
Application number
GB5359772A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kraftwerk Union AG
Original Assignee
Kraftwerk Union AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kraftwerk Union AG filed Critical Kraftwerk Union AG
Publication of GB1388512A publication Critical patent/GB1388512A/en
Expired legal-status Critical Current

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.
GB5359772A 1971-11-20 1972-11-20 Three phase main exciter Expired GB1388512A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0881748B1 (en) * 1997-05-26 2008-10-08 Denso Corporation Alternator for vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2157715B2 (en) 1974-01-17
DE2157715C3 (en) 1974-08-08
AU472794B2 (en) 1976-06-03
AU4907072A (en) 1974-05-23
JPS4863206A (en) 1973-09-03
DE2157715A1 (en) 1973-05-24
JPS5646708B2 (en) 1981-11-05
ZA728185B (en) 1973-07-25

Similar Documents

Publication Publication Date Title
GB1368788A (en) Electric stepping motor
US3394276A (en) Asynchronous electric motor
GB1266371A (en)
GB1164138A (en) Improvements in or relating to Electrical Machines
GB1246353A (en) Electric machines rotor
GB1135790A (en) Dynamoelectric machine cooling
GB1397302A (en) Cooling dynamoelectric machines
GB1307490A (en) Dynamoelectric machines having salient pole rotors and low loss ventilation
GB1226703A (en)
GB1215699A (en) Improvements in or relating to dynamo-electric machines
GB1388512A (en) Three phase main exciter
GB1318068A (en) Synchronous electric motor
GB1389983A (en) Electric synchronous motor
GB1292687A (en) Improvements in dynamoelectric machines
US3508093A (en) Ducted stator for electrical machines
US3567978A (en) Axial airgap motors with reduced iron losses
GB1362536A (en) Rotors for electrical machines
US2781466A (en) Induction motor rotor assembly
JPS54129407A (en) Rotary field type salient-pole machine
GB1522733A (en) Synchronous electric motor
GB975660A (en) Improvements in or relating to electric motors
NL6513136A (en)
GB1201790A (en) Improvements in turbo-generators
JPS55114165A (en) Device for ventilating and cooling rotary electric machine
GB1352814A (en) Air-ooled electrical machines

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee