CA960386A - Elevator motor control system employing power amplifier with output current limiting arrangement - Google Patents

Elevator motor control system employing power amplifier with output current limiting arrangement

Info

Publication number
CA960386A
CA960386A CA148,656A CA148656A CA960386A CA 960386 A CA960386 A CA 960386A CA 148656 A CA148656 A CA 148656A CA 960386 A CA960386 A CA 960386A
Authority
CA
Canada
Prior art keywords
control system
power amplifier
output current
motor control
current limiting
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.)
Expired
Application number
CA148,656A
Other languages
English (en)
Inventor
William P. Reid
John Lusti
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.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
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 Otis Elevator Co filed Critical Otis Elevator Co
Application granted granted Critical
Publication of CA960386A publication Critical patent/CA960386A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Direct Current Motors (AREA)
  • Types And Forms Of Lifts (AREA)
CA148,656A 1971-08-09 1972-08-03 Elevator motor control system employing power amplifier with output current limiting arrangement Expired CA960386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17007271A 1971-08-09 1971-08-09

Publications (1)

Publication Number Publication Date
CA960386A true CA960386A (en) 1974-12-31

Family

ID=22618438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA148,656A Expired CA960386A (en) 1971-08-09 1972-08-03 Elevator motor control system employing power amplifier with output current limiting arrangement

Country Status (6)

Country Link
US (1) US3688874A (de)
JP (1) JPS5412835Y2 (de)
AU (1) AU462309B2 (de)
CA (1) CA960386A (de)
GB (1) GB1385093A (de)
ZA (1) ZA725374B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072212A (en) * 1975-08-28 1978-02-07 Mitsubishi Denki Kabushiki Kaisha Elevator speed control system
JPH01318568A (ja) * 1988-06-17 1989-12-25 Japan Atom Energy Res Inst 発電機駆動装置
FI86053C (fi) * 1989-10-31 1992-07-10 Kone Oy Foerfarande och anordning foer styrning av en lyftmotor.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410367A (en) * 1964-02-07 1968-11-12 Reliance Electric & Eng Co Elevator motor acceleration control by a stepped resistor responsive to distance from floor
US3536969A (en) * 1968-04-01 1970-10-27 Otis Elevator Co Elevator motor control

Also Published As

Publication number Publication date
GB1385093A (de) 1975-02-26
JPS4825458U (de) 1973-03-26
US3688874A (en) 1972-09-05
AU4539172A (en) 1974-02-14
JPS5412835Y2 (de) 1979-06-04
AU462309B2 (en) 1975-06-19
ZA725374B (en) 1973-05-30

Similar Documents

Publication Publication Date Title
AU4828972A (en) Electric vehicle drive control system
AU469060B2 (en) Current limiting control foran electric power system
CA944025A (en) Power control circuit
CA960303A (en) Current converter control system
CA963816A (en) Vehicle drive and power control means
AU462309B2 (en) Elevator motor control system employing power amplifier with output current limiting arrangement
CA993038A (en) Motor controller with power limiting
CA928787A (en) Electric power control device
CA929224A (en) Direct current power control system
CA992607A (en) System for controlling an electric output with reduced recovery time
AU448298B2 (en) An improved elevator power control system
AU433321B2 (en) Direct current power control system
AU1780970A (en) Electric control motor
CA880498A (en) Power control system
AU474146B2 (en) Electric power control unit
AU3929472A (en) Power conversion control system
CA842381A (en) Electric motor control system
AU434747B2 (en) Electric power control device
CA854952A (en) Power transmission control system
CA846394A (en) Group elevator control for restricted power conditions
CA888416A (en) Full time power assist control system
CA851310A (en) Hoist control motor
CA868590A (en) Stabilizing means for electric power systems
CA863444A (en) Motor power supply system
CA860459A (en) Motor power supply system