JPS52111616A - Method of detecting wounddrotor induction motor speed - Google Patents

Method of detecting wounddrotor induction motor speed

Info

Publication number
JPS52111616A
JPS52111616A JP2879476A JP2879476A JPS52111616A JP S52111616 A JPS52111616 A JP S52111616A JP 2879476 A JP2879476 A JP 2879476A JP 2879476 A JP2879476 A JP 2879476A JP S52111616 A JPS52111616 A JP S52111616A
Authority
JP
Japan
Prior art keywords
wounddrotor
detecting
motor speed
induction motor
induction
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
JP2879476A
Other languages
Japanese (ja)
Inventor
Kazuo Oda
Jiyunichi Teruda
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 Kiden Kogyo Ltd
Original Assignee
Hitachi Kiden Kogyo 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 Kiden Kogyo Ltd filed Critical Hitachi Kiden Kogyo Ltd
Priority to JP2879476A priority Critical patent/JPS52111616A/en
Publication of JPS52111616A publication Critical patent/JPS52111616A/en
Pending legal-status Critical Current

Links

Landscapes

  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Control Of Ac Motors In General (AREA)
JP2879476A 1976-03-16 1976-03-16 Method of detecting wounddrotor induction motor speed Pending JPS52111616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2879476A JPS52111616A (en) 1976-03-16 1976-03-16 Method of detecting wounddrotor induction motor speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2879476A JPS52111616A (en) 1976-03-16 1976-03-16 Method of detecting wounddrotor induction motor speed

Publications (1)

Publication Number Publication Date
JPS52111616A true JPS52111616A (en) 1977-09-19

Family

ID=12258319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2879476A Pending JPS52111616A (en) 1976-03-16 1976-03-16 Method of detecting wounddrotor induction motor speed

Country Status (1)

Country Link
JP (1) JPS52111616A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165578A (en) * 1981-04-03 1982-10-12 Kenichi Hayashida Fine speed control circuit of automatic door

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4891516A (en) * 1972-03-03 1973-11-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4891516A (en) * 1972-03-03 1973-11-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165578A (en) * 1981-04-03 1982-10-12 Kenichi Hayashida Fine speed control circuit of automatic door
JPH0227511B2 (en) * 1981-04-03 1990-06-18 Kenichi Hayashida

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