JPS57183244A - Stator coil for rotary electric machine - Google Patents

Stator coil for rotary electric machine

Info

Publication number
JPS57183244A
JPS57183244A JP6694781A JP6694781A JPS57183244A JP S57183244 A JPS57183244 A JP S57183244A JP 6694781 A JP6694781 A JP 6694781A JP 6694781 A JP6694781 A JP 6694781A JP S57183244 A JPS57183244 A JP S57183244A
Authority
JP
Japan
Prior art keywords
layer
electric machine
rotary electric
stator coil
core
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
JP6694781A
Other languages
Japanese (ja)
Inventor
Koichi Umemoto
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 JP6694781A priority Critical patent/JPS57183244A/en
Publication of JPS57183244A publication Critical patent/JPS57183244A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

PURPOSE:To facilitate the detection of the damage of an insulator at the exterior of a core slot by forming a semiconductor layer in the intermediate of ground insulating layer at the exterior of the core slot and applying a voltage between the layer and the core or the conductor. CONSTITUTION:A semiconductor layer 5 is formed in the intermediate of ground insulating layer 2 at the exterior 4 of a core slot of ground insulating layers wound on the periphery of a conductor 1, and the one end 6 of the layer 5 is led to the outer surface of the layer 2. A voltage applying unit 7 is connected between the layer 5 and the conductor 1 or the core, and the deterioration of the insulation of the layer 2 is measured.
JP6694781A 1981-05-06 1981-05-06 Stator coil for rotary electric machine Pending JPS57183244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6694781A JPS57183244A (en) 1981-05-06 1981-05-06 Stator coil for rotary electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6694781A JPS57183244A (en) 1981-05-06 1981-05-06 Stator coil for rotary electric machine

Publications (1)

Publication Number Publication Date
JPS57183244A true JPS57183244A (en) 1982-11-11

Family

ID=13330709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6694781A Pending JPS57183244A (en) 1981-05-06 1981-05-06 Stator coil for rotary electric machine

Country Status (1)

Country Link
JP (1) JPS57183244A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737775A (en) * 1984-12-14 1988-04-12 Kabushiki Kaisha Meidensha Insulation deterioration monitoring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737775A (en) * 1984-12-14 1988-04-12 Kabushiki Kaisha Meidensha Insulation deterioration monitoring apparatus

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