JPS5421506A - Rotation/frequency converter for motor - Google Patents

Rotation/frequency converter for motor

Info

Publication number
JPS5421506A
JPS5421506A JP8601477A JP8601477A JPS5421506A JP S5421506 A JPS5421506 A JP S5421506A JP 8601477 A JP8601477 A JP 8601477A JP 8601477 A JP8601477 A JP 8601477A JP S5421506 A JPS5421506 A JP S5421506A
Authority
JP
Japan
Prior art keywords
rotation
motor
frequency converter
voltage
rectifier
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
JP8601477A
Other languages
Japanese (ja)
Other versions
JPS614053B2 (en
Inventor
Keishin Hatakeyama
Takeshi Ohira
Tomiaki Kurihara
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 JP8601477A priority Critical patent/JPS5421506A/en
Publication of JPS5421506A publication Critical patent/JPS5421506A/en
Publication of JPS614053B2 publication Critical patent/JPS614053B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Elevator Control (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

PURPOSE: To detect frequency proportional with the rotation of motor, by employing the voltage across random rectifier element in rectifier circuit as input voltage of frequency detecting circuit.
COPYRIGHT: (C)1979,JPO&Japio
JP8601477A 1977-07-20 1977-07-20 Rotation/frequency converter for motor Granted JPS5421506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8601477A JPS5421506A (en) 1977-07-20 1977-07-20 Rotation/frequency converter for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8601477A JPS5421506A (en) 1977-07-20 1977-07-20 Rotation/frequency converter for motor

Publications (2)

Publication Number Publication Date
JPS5421506A true JPS5421506A (en) 1979-02-17
JPS614053B2 JPS614053B2 (en) 1986-02-06

Family

ID=13874815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8601477A Granted JPS5421506A (en) 1977-07-20 1977-07-20 Rotation/frequency converter for motor

Country Status (1)

Country Link
JP (1) JPS5421506A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6091837U (en) * 1983-11-29 1985-06-22 日立造船株式会社 pin rack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6091837U (en) * 1983-11-29 1985-06-22 日立造船株式会社 pin rack

Also Published As

Publication number Publication date
JPS614053B2 (en) 1986-02-06

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