JPS563544A - Rotor for rotary electric machine - Google Patents

Rotor for rotary electric machine

Info

Publication number
JPS563544A
JPS563544A JP7906279A JP7906279A JPS563544A JP S563544 A JPS563544 A JP S563544A JP 7906279 A JP7906279 A JP 7906279A JP 7906279 A JP7906279 A JP 7906279A JP S563544 A JPS563544 A JP S563544A
Authority
JP
Japan
Prior art keywords
slot
tooth portions
wedges
centrifugal force
wedge
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.)
Granted
Application number
JP7906279A
Other languages
Japanese (ja)
Other versions
JPH0156622B2 (en
Inventor
Takeshi Matsuda
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 JP7906279A priority Critical patent/JPS563544A/en
Publication of JPS563544A publication Critical patent/JPS563544A/en
Publication of JPH0156622B2 publication Critical patent/JPH0156622B2/ja
Granted 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
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/48—Fastening of windings on the stator or rotor structure in slots
    • H02K3/487—Slot-closing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

PURPOSE:To eliminate a couple of forces of bending working to slot tooth portions and improve reliability by a method wherein the angles of surfaces, where wedges inserted into slot opening portions contact with the slot tooth portions, to the central axes of the wedges are made differ according to the locations of slots. CONSTITUTION:The angles theta of surfaces where wedges 5 inserted into the opening portions of slots formed on the surface of a rotor contact with slot tooth portions 7 are made differ in response to centrifugal force functioning to each wedge. For example, since centrifugal force F1 working to the wedge 5a inserted into the slot near a magnetic pole 8 is less than centrifugal force F2 functioning to the adjacent wedge 5b, the angles theta1 and theta2 are selected as shown in the formula, and each horizontal components f1 and f2 is equalized. Thus, a couple of forces of bending working to the slot tooth portions 7 are approximately eliminated, and reliability can be improved.
JP7906279A 1979-06-25 1979-06-25 Rotor for rotary electric machine Granted JPS563544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7906279A JPS563544A (en) 1979-06-25 1979-06-25 Rotor for rotary electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7906279A JPS563544A (en) 1979-06-25 1979-06-25 Rotor for rotary electric machine

Publications (2)

Publication Number Publication Date
JPS563544A true JPS563544A (en) 1981-01-14
JPH0156622B2 JPH0156622B2 (en) 1989-11-30

Family

ID=13679396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7906279A Granted JPS563544A (en) 1979-06-25 1979-06-25 Rotor for rotary electric machine

Country Status (1)

Country Link
JP (1) JPS563544A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1339157A1 (en) * 2002-02-21 2003-08-27 Hitachi, Ltd. Rotor comprising slots for wedges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1339157A1 (en) * 2002-02-21 2003-08-27 Hitachi, Ltd. Rotor comprising slots for wedges

Also Published As

Publication number Publication date
JPH0156622B2 (en) 1989-11-30

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