JPS5683252A - Squirrel-cage type induction motor - Google Patents

Squirrel-cage type induction motor

Info

Publication number
JPS5683252A
JPS5683252A JP15978979A JP15978979A JPS5683252A JP S5683252 A JPS5683252 A JP S5683252A JP 15978979 A JP15978979 A JP 15978979A JP 15978979 A JP15978979 A JP 15978979A JP S5683252 A JPS5683252 A JP S5683252A
Authority
JP
Japan
Prior art keywords
grooves
cage type
auxiliary
constitution
squirrel
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.)
Pending
Application number
JP15978979A
Other languages
Japanese (ja)
Inventor
Sadaaki Mori
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15978979A priority Critical patent/JPS5683252A/en
Publication of JPS5683252A publication Critical patent/JPS5683252A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To stabilize a torque during operation and also to prevent a magnetic noise due to groove higher harmonics by a construction wherein rotor grooves are provided in two steps, main grooves on the lower part are formed at regular intervals and auxiliary grooves on the upper part are formed at irregular intervals. CONSTITUTION:When a cage type rotor is obtained through building up steel sheets axially to a given thickness, providing a plurality of grooves axially and applying a cage winding thereon, said axial grooves are arranged in two steps consisting of auxiliary grooves 4a on the upper part and main grooves 4b on the lower part. Then, the auxiliary grooves 4a coming near to the outer peripheral surface of a core are formed in a small sectional area and at irregular intervals, and the main grooves 4b coming near to the center are formed in a large sectional area and at regular intervals. This way of constitution may suppress an electromagnetic noise and also minimize a torque pulsation.
JP15978979A 1979-12-11 1979-12-11 Squirrel-cage type induction motor Pending JPS5683252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15978979A JPS5683252A (en) 1979-12-11 1979-12-11 Squirrel-cage type induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15978979A JPS5683252A (en) 1979-12-11 1979-12-11 Squirrel-cage type induction motor

Publications (1)

Publication Number Publication Date
JPS5683252A true JPS5683252A (en) 1981-07-07

Family

ID=15701294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15978979A Pending JPS5683252A (en) 1979-12-11 1979-12-11 Squirrel-cage type induction motor

Country Status (1)

Country Link
JP (1) JPS5683252A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005086324A1 (en) * 2004-03-03 2005-09-15 Siemens Aktiengesellschaft Three-phase asynchronous machine
EP1976101A2 (en) 2007-03-28 2008-10-01 Hitachi, Ltd. Induction machine with etched lamination sheets
WO2010054992A2 (en) * 2008-11-14 2010-05-20 Robert Bosch Gmbh Electric machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005086324A1 (en) * 2004-03-03 2005-09-15 Siemens Aktiengesellschaft Three-phase asynchronous machine
EP1976101A2 (en) 2007-03-28 2008-10-01 Hitachi, Ltd. Induction machine with etched lamination sheets
WO2010054992A2 (en) * 2008-11-14 2010-05-20 Robert Bosch Gmbh Electric machine
WO2010054992A3 (en) * 2008-11-14 2010-07-15 Robert Bosch Gmbh Electric machine
CN102217176A (en) * 2008-11-14 2011-10-12 罗伯特·博世有限公司 Electric machine

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