JPS57186947A - Electric rotary machine - Google Patents

Electric rotary machine

Info

Publication number
JPS57186947A
JPS57186947A JP56070816A JP7081681A JPS57186947A JP S57186947 A JPS57186947 A JP S57186947A JP 56070816 A JP56070816 A JP 56070816A JP 7081681 A JP7081681 A JP 7081681A JP S57186947 A JPS57186947 A JP S57186947A
Authority
JP
Japan
Prior art keywords
blowers
temperature
cooling
generated
air
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
JP56070816A
Other languages
Japanese (ja)
Inventor
Yukio Kitabayashi
Masatoshi Watabe
Noriyoshi Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56070816A priority Critical patent/JPS57186947A/en
Publication of JPS57186947A publication Critical patent/JPS57186947A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/24—Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

PURPOSE:To prevent peeling off of an insulating layer of coil to be generated by variation of temperature and to contrive to elongate the life of an electric rotary machine by a method wherein the temperature of exhaused cooling air is detected, and the speed of motor for driving of blowers is controlled as to make temperature rise of the machine thereof to be fixed. CONSTITUTION:The blowers 11A, 11B of the plural number are equipped on the outside circumferential part of a stator frame 6 interposing the prescirbed interval between them to send cooling air into the stator frame, and a ventilation route is formed wherein after cooling is performed making air to pass in a ventilation flue from a rotor to a stator 4a, air is made to circulate from an exhause hole 7 passing in a cooler 10 and returning to the blowers 11 again. An element 22 for detection of temperature is provided in the exhaust hole 7 to detect the temperature of cooling air after cooling is performed, and after a detected signal is processed in the signal processing part 19, the motors 12A, 12B for driving of the blowers are controlled by the speed controlling parts 20 as to make temperature rise to be fixed. Accordingly overheating and overcooling are not generated, and damage of insulation to be generated by thermal expansion and contraction can be prevented.
JP56070816A 1981-05-13 1981-05-13 Electric rotary machine Pending JPS57186947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56070816A JPS57186947A (en) 1981-05-13 1981-05-13 Electric rotary machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56070816A JPS57186947A (en) 1981-05-13 1981-05-13 Electric rotary machine

Publications (1)

Publication Number Publication Date
JPS57186947A true JPS57186947A (en) 1982-11-17

Family

ID=13442470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56070816A Pending JPS57186947A (en) 1981-05-13 1981-05-13 Electric rotary machine

Country Status (1)

Country Link
JP (1) JPS57186947A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133854A (en) * 1986-11-21 1988-06-06 Mitsubishi Electric Corp Temperature monitoring method for cooling medium of rotary electric machine
JPH0498861U (en) * 1990-10-13 1992-08-26
WO1997031419A1 (en) * 1996-02-23 1997-08-28 Siemens Aktiengesellschaft Ventilation system for a tube mill ring motor
CN108768072A (en) * 2017-04-05 2018-11-06 西门子风力发电公司 Rotor machine with cooling system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133854A (en) * 1986-11-21 1988-06-06 Mitsubishi Electric Corp Temperature monitoring method for cooling medium of rotary electric machine
JPH0498861U (en) * 1990-10-13 1992-08-26
WO1997031419A1 (en) * 1996-02-23 1997-08-28 Siemens Aktiengesellschaft Ventilation system for a tube mill ring motor
CN108768072A (en) * 2017-04-05 2018-11-06 西门子风力发电公司 Rotor machine with cooling system

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