JPS5336848A - Ac elevator speed control device - Google Patents

Ac elevator speed control device

Info

Publication number
JPS5336848A
JPS5336848A JP7374977A JP7374977A JPS5336848A JP S5336848 A JPS5336848 A JP S5336848A JP 7374977 A JP7374977 A JP 7374977A JP 7374977 A JP7374977 A JP 7374977A JP S5336848 A JPS5336848 A JP S5336848A
Authority
JP
Japan
Prior art keywords
control device
speed control
elevator speed
motor
winding
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
JP7374977A
Other languages
Japanese (ja)
Inventor
Masaru Komuro
Nobuo Mitsui
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 JP7374977A priority Critical patent/JPS5336848A/en
Publication of JPS5336848A publication Critical patent/JPS5336848A/en
Pending legal-status Critical Current

Links

Landscapes

  • Elevator Control (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To remove the noise, vibration and heat of a motor by continuously controlling the motoring torque generated by the first winding of an induction motor based on the deviation between the speed command and feedback speed and braking torque produced by the second winding of the motor.
COPYRIGHT: (C)1978,JPO&Japio
JP7374977A 1977-06-20 1977-06-20 Ac elevator speed control device Pending JPS5336848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7374977A JPS5336848A (en) 1977-06-20 1977-06-20 Ac elevator speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7374977A JPS5336848A (en) 1977-06-20 1977-06-20 Ac elevator speed control device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP10269471A Division JPS5424177B2 (en) 1971-12-20 1971-12-20

Publications (1)

Publication Number Publication Date
JPS5336848A true JPS5336848A (en) 1978-04-05

Family

ID=13527197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7374977A Pending JPS5336848A (en) 1977-06-20 1977-06-20 Ac elevator speed control device

Country Status (1)

Country Link
JP (1) JPS5336848A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573776U (en) * 1980-06-05 1982-01-09
JPS6036205U (en) * 1983-08-18 1985-03-13 株式会社クボタ Patterning device for inorganic extrusion molded products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573776U (en) * 1980-06-05 1982-01-09
JPS6036205U (en) * 1983-08-18 1985-03-13 株式会社クボタ Patterning device for inorganic extrusion molded products
JPS6325122Y2 (en) * 1983-08-18 1988-07-08

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