GB1201790A - Improvements in turbo-generators - Google Patents

Improvements in turbo-generators

Info

Publication number
GB1201790A
GB1201790A GB58648/67A GB5864867A GB1201790A GB 1201790 A GB1201790 A GB 1201790A GB 58648/67 A GB58648/67 A GB 58648/67A GB 5864867 A GB5864867 A GB 5864867A GB 1201790 A GB1201790 A GB 1201790A
Authority
GB
United Kingdom
Prior art keywords
bundle
conductors
coolant
conductor
tongues
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
GB58648/67A
Inventor
Edgar Essen
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB1201790A publication Critical patent/GB1201790A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)

Abstract

1,201,790. Cooling dynamo electric machines. ALLMANNA SVENSKA ELEKTRISKA A.B. 27 Dec., 1967 [27 Dec., 1966], No. 58648/67. Heading H2A. In a gas cooled turbo-generator the coolant gas is passed through radial channels between the stator laminations into the air gap and by the effect of rotation is drawn through cooling channels in the rotor winding slots formed between the bundle of conductors in the slots and the insulated slot wall. In the form shown, the bundle of conductors 8, consisting of individual insulated conductors glued together, is spaced from slot wall insulation 7 by a spacer 9 which is provided by an insulating tape helically wound on the bundle with a pitch several times greater than the width of the tape. Coolant is drawn in through slots 12 and travels around the conductor bundle through the space 24 to outlet 13 on the opposite side of the conductor bundle. In a modification axially spaced distance pieces are bent around the bottom of the bundle and on one side extend to the top of the conductor as a rectangular piece and on the other side of the bundle as a triangular piece, Figs. 7 and 8 (not shown). In this construction the coolant again flows from an inlet on one side of the bundle to an outlet on the other side. In a further modification the spacers comprise axially spaced tongues glued to the top and sides of the conductor bundle and having a length less than the depth of the slot. Coolant flows around the tongues but is restricted to flow on one side of the bundle only, Figs. 10-13 (not shown). If the tongues consist of superposed layers of material the ends may be secured between the conductors in the bundle.
GB58648/67A 1966-12-27 1967-12-27 Improvements in turbo-generators Expired GB1201790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1773266 1966-12-27

Publications (1)

Publication Number Publication Date
GB1201790A true GB1201790A (en) 1970-08-12

Family

ID=20303922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB58648/67A Expired GB1201790A (en) 1966-12-27 1967-12-27 Improvements in turbo-generators

Country Status (3)

Country Link
US (1) US3431443A (en)
CH (1) CH470101A (en)
GB (1) GB1201790A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH622133A5 (en) * 1978-01-25 1981-03-13 Bbc Brown Boveri & Cie Cooling arrangement for a winding of an electric machine which is held in slots by means of wedges
US4217511A (en) * 1978-06-13 1980-08-12 Westinghouse Electric Corp. Stator core cooling for dynamoelectric machines
US5473207A (en) * 1993-11-04 1995-12-05 General Electric Co. Cooling pads for water-cooled stator cores in dynamoelectric machines and methods of fabrication
US7088210B2 (en) * 2004-01-23 2006-08-08 The Boeing Company Electromagnet having spacer for facilitating cooling and associated cooling method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US563379A (en) * 1896-07-07 Ferson
GB286427A (en) * 1927-02-03 1928-03-08 English Electric Co Ltd Improvements connected with the windings of electric machines and apparatus
US2043120A (en) * 1933-09-30 1936-06-02 Punga Franklin Cooling the inductors of turbo-generators
US2702870A (en) * 1952-09-04 1955-02-22 Gen Electric Dynamoelectric machine winding ventilation
US2728001A (en) * 1953-07-20 1955-12-20 Bbc Brown Boveri & Cie Electrical generator with cooled rotor windings
CA591705A (en) * 1954-12-28 1960-02-02 M. Willyoung David Dynamoelectric machine conductor with internal fluid cooling passages
GB834232A (en) * 1956-03-26 1960-05-04 British Thomson Houston Co Ltd Improvements relating to the cooling of dynamo-electric machines
DE1143917B (en) * 1961-09-20 1963-02-21 Licentia Gmbh Groove ventilation on the runner body of a synchronous machine of high performance and very high speed with the winding structure as a Schenkelpollaeufer
US3265912A (en) * 1964-06-15 1966-08-09 Westinghouse Electric Corp Dynamoelectric machine

Also Published As

Publication number Publication date
CH470101A (en) 1969-03-15
US3431443A (en) 1969-03-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees