NO122084B - - Google Patents

Download PDF

Info

Publication number
NO122084B
NO122084B NO161466A NO16146666A NO122084B NO 122084 B NO122084 B NO 122084B NO 161466 A NO161466 A NO 161466A NO 16146666 A NO16146666 A NO 16146666A NO 122084 B NO122084 B NO 122084B
Authority
NO
Norway
Prior art keywords
speed
phase
motor
torque
controlled
Prior art date
Application number
NO161466A
Other languages
English (en)
Norwegian (no)
Inventor
U Krabbe
H Hedstroem
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of NO122084B publication Critical patent/NO122084B/no

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
    • H02P27/026—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B66C13/23—Circuits for controlling the lowering of the load
    • B66C13/26—Circuits for controlling the lowering of the load by ac motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
    • B66C2700/081—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists with ac motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control And Safety Of Cranes (AREA)
NO161466A 1965-02-08 1966-01-28 NO122084B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1569/65A SE313871B (de) 1965-02-08 1965-02-08

Publications (1)

Publication Number Publication Date
NO122084B true NO122084B (de) 1971-05-18

Family

ID=20258429

Family Applications (1)

Application Number Title Priority Date Filing Date
NO161466A NO122084B (de) 1965-02-08 1966-01-28

Country Status (5)

Country Link
BE (1) BE675942A (de)
DE (1) DE1538268A1 (de)
GB (1) GB1129492A (de)
NO (1) NO122084B (de)
SE (1) SE313871B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461102C2 (de) * 1974-12-23 1985-09-19 Impuls Elektronik Gmbh & Co Kg, 7100 Heilbronn Aufzugsantrieb mit polumschaltbarem Drehstrommotor
SE422862B (sv) * 1978-02-13 1982-03-29 Wihk Bernt Erik Livingstone Strom-tid-styrd regleranordning for en kortsluten flerfasig asynkronmotor
AT395273B (de) * 1988-06-13 1992-11-10 Voith Werke Antrieb fuer hubwerke od.dgl.
CN112242800B (zh) * 2020-11-20 2022-05-17 中船华南船舶机械有限公司 一种多电机电控系统

Also Published As

Publication number Publication date
BE675942A (de) 1966-06-16
DE1538268A1 (de) 1969-06-19
GB1129492A (en) 1968-10-09
SE313871B (de) 1969-08-25

Similar Documents

Publication Publication Date Title
NO161466B (no) Optisk fiber for elektriske kabler.
NO122084B (de)
US2235537A (en) Phase relay control for split phase motors
US2195287A (en) Reversing single phase motor
US11012017B2 (en) Method for operating a three-phase machine
US2549265A (en) Reversible split-phase motor
US2293484A (en) Control system
US2280888A (en) Electric motor control
US2418560A (en) Motor control system
US2816258A (en) Dynamically braked polyphase induction motor
US3201673A (en) Induction motor starting circuits
US2593987A (en) Three-phase motor control apparatus
US4214195A (en) Motor control circuits
US1855736A (en) Motor control system
US1761748A (en) Variable-speed motor-control apparatus
US3114093A (en) Two-speed single-phase electric motor
US3566226A (en) Single-phase operation of three-phase motor
US2320896A (en) Motor control system
US1628409A (en) Control system for electric motors
US2084058A (en) Condenser motor
US3302086A (en) Rotor resistance control circuit for reversible a.-c. motors
US2194334A (en) Electric circuit
US1556620A (en) Control system for alternating-current motors
US1476914A (en) Electrically-controlled governor for water wheels
US1875280A (en) Lotris w