SE7700007L - ROTOR FOR ASYNCHRON MACHINE - Google Patents

ROTOR FOR ASYNCHRON MACHINE

Info

Publication number
SE7700007L
SE7700007L SE7700007A SE7700007A SE7700007L SE 7700007 L SE7700007 L SE 7700007L SE 7700007 A SE7700007 A SE 7700007A SE 7700007 A SE7700007 A SE 7700007A SE 7700007 L SE7700007 L SE 7700007L
Authority
SE
Sweden
Prior art keywords
radial extent
rotor
radially
slot
external part
Prior art date
Application number
SE7700007A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE406527B (en
Inventor
A Andreassen
Original Assignee
Asea 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 filed Critical Asea Ab
Priority to SE777700007A priority Critical patent/SE406527B/en
Priority to CH1409977A priority patent/CH621441A5/en
Priority to DE19772756685 priority patent/DE2756685A1/en
Priority to FI773984A priority patent/FI61974C/en
Publication of SE7700007L publication Critical patent/SE7700007L/en
Publication of SE406527B publication Critical patent/SE406527B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • H02K17/18—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having double-cage or multiple-cage rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Induction Machinery (AREA)

Abstract

The rotor has a laminated rotor core with open or half-closed, essentially axially extending winding slots (3) and a squirrel-cage winding with axially extending conductor rods (4). A conductor rod (4) arranged in each winding slot (3) consists of a radially internal part (5) clamped in the slot and having an essentially trapezoidal cross-section tapering radially inwards and two shoulders (7), which are directed radially outwards and each bear against a tooth, and has a radially external part (6) projecting between the shoulders. The maximum width of the external part (6) is less than the maximum width of the internal part (5), and its radial extent is less than the radial extent of the internal part (5). The external part (6) is separated electrically at least along a predominant range of its radial extent from at least one of the two slot walls by means of a gap (8, 9). In such an arrangement the conductor rods (4) withstand large centrifugal forces and additionally prevent an electrical connection of the rotor teeth (2) bounding an air gap. <IMAGE>
SE777700007A 1976-12-31 1976-12-31 ROTOR FOR ASYNCHRON MACHINE SE406527B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE777700007A SE406527B (en) 1976-12-31 1976-12-31 ROTOR FOR ASYNCHRON MACHINE
CH1409977A CH621441A5 (en) 1976-12-31 1977-11-18 Rotor for an asynchronous machine having a squirrel-cage winding
DE19772756685 DE2756685A1 (en) 1976-12-31 1977-12-20 RUNNER FOR ASYNCHRONOUS MACHINES
FI773984A FI61974C (en) 1976-12-31 1977-12-30 ROTOR FOER ASYNCHRONOUS MASK

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE777700007A SE406527B (en) 1976-12-31 1976-12-31 ROTOR FOR ASYNCHRON MACHINE

Publications (2)

Publication Number Publication Date
SE7700007L true SE7700007L (en) 1978-07-01
SE406527B SE406527B (en) 1979-02-12

Family

ID=20330096

Family Applications (1)

Application Number Title Priority Date Filing Date
SE777700007A SE406527B (en) 1976-12-31 1976-12-31 ROTOR FOR ASYNCHRON MACHINE

Country Status (4)

Country Link
CH (1) CH621441A5 (en)
DE (1) DE2756685A1 (en)
FI (1) FI61974C (en)
SE (1) SE406527B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644210A (en) * 1985-12-12 1987-02-17 Rockwell International Corporation High speed induction motor with squirrel cage rotor
EP2288004B1 (en) * 2009-08-19 2017-05-17 Siemens Aktiengesellschaft Cage rotor with start-up rod
KR102080634B1 (en) * 2013-10-15 2020-02-24 현대모비스 주식회사 Rotor with 2-step shaped slot and Induction motor having the same

Also Published As

Publication number Publication date
CH621441A5 (en) 1981-01-30
FI773984A (en) 1978-07-04
DE2756685A1 (en) 1978-07-06
SE406527B (en) 1979-02-12
FI61974B (en) 1982-06-30
FI61974C (en) 1982-10-11

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