ZA725374B - 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
ZA725374B
ZA725374B ZA725374A ZA725374A ZA725374B ZA 725374 B ZA725374 B ZA 725374B ZA 725374 A ZA725374 A ZA 725374A ZA 725374 A ZA725374 A ZA 725374A ZA 725374 B ZA725374 B ZA 725374B
Authority
ZA
South Africa
Prior art keywords
control system
power amplifier
output current
motor control
current limiting
Prior art date
Application number
ZA725374A
Inventor
J Lusti
W Reid
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
Publication of ZA725374B publication Critical patent/ZA725374B/en

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)
ZA725374A 1971-08-09 1972-08-04 Elevator motor control system employing power amplifier with output current limiting arrangement ZA725374B (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
ZA725374B true ZA725374B (en) 1973-05-30

Family

ID=22618438

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA725374A ZA725374B (en) 1971-08-09 1972-08-04 Elevator motor control system employing power amplifier with output current limiting arrangement

Country Status (6)

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

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 (en) * 1988-06-17 1989-12-25 Japan Atom Energy Res Inst Generator driver
FI86053C (en) * 1989-10-31 1992-07-10 Kone Oy Method and apparatus for controlling a lifting motor

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
AU4539172A (en) 1974-02-14
US3688874A (en) 1972-09-05
JPS4825458U (en) 1973-03-26
JPS5412835Y2 (en) 1979-06-04
GB1385093A (en) 1975-02-26
AU462309B2 (en) 1975-06-19
CA960386A (en) 1974-12-31

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