GB927206A - Improvements in or relating to control arrangements for electric motors - Google Patents

Improvements in or relating to control arrangements for electric motors

Info

Publication number
GB927206A
GB927206A GB4174759A GB4174759A GB927206A GB 927206 A GB927206 A GB 927206A GB 4174759 A GB4174759 A GB 4174759A GB 4174759 A GB4174759 A GB 4174759A GB 927206 A GB927206 A GB 927206A
Authority
GB
United Kingdom
Prior art keywords
motor
rectifiers
phase
secondary windings
control
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
GB4174759A
Inventor
Erich Seigried Friedlander
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB4174759A priority Critical patent/GB927206A/en
Publication of GB927206A publication Critical patent/GB927206A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/34—Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter
    • H02K17/40—Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter with a rotary AC/DC converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

927,206. Control of A.C. motors. GENERAL ELECTRIC CO. Ltd. Nov. 23, 1960 [Dec. 8, 1959], No. 41747/59. Class 38 (3). In a control arrangement for a wound rotor induction motor, power is fed back into the A.C. supply from the secondary windings of the motor, each phase of the secondary windings being connected to each phase of the supply through a semi-conductor controlled rectifier having an anode and a cathode connected in said phases and a gate to which a control signal can be applied for controlling the feedback of power. In one embodiment the control signals to be applied to the base electrodes of the rectifiers are derived from a transformer through a phase-shift network, the rectifiers being of the silicon-controlled type. The secondary windings are short-circuited while the motor is running at full speed to prevent feedback of current by the rectifiers except during acceleration and deceleration of the motor. Specification 831,820 is referred to.
GB4174759A 1959-12-08 1959-12-08 Improvements in or relating to control arrangements for electric motors Expired GB927206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4174759A GB927206A (en) 1959-12-08 1959-12-08 Improvements in or relating to control arrangements for electric motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4174759A GB927206A (en) 1959-12-08 1959-12-08 Improvements in or relating to control arrangements for electric motors

Publications (1)

Publication Number Publication Date
GB927206A true GB927206A (en) 1963-05-29

Family

ID=10421194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4174759A Expired GB927206A (en) 1959-12-08 1959-12-08 Improvements in or relating to control arrangements for electric motors

Country Status (1)

Country Link
GB (1) GB927206A (en)

Similar Documents

Publication Publication Date Title
ES371105A1 (en) Static converter with dc intermediate circuit for controlling the speed of a three phase motor
GB1017405A (en) Electrical control system
GB833965A (en) Improvements in or relating to control systems for regulating the line voltage of a power source or power line
ES299136A1 (en) Driving device containing a first and a second electrodynamic system
GB927206A (en) Improvements in or relating to control arrangements for electric motors
GB964986A (en) Improvements in or relating to electrical inductor alternators and generating arrangements fitted therewith
GB1315851A (en) Direct current motors including series field windings
GB1514210A (en) Brushless three-phase generator
GB1490980A (en) Brushless ac synchronous motors
GB1223031A (en) Direct-current machine arrangement
GB1086418A (en) An electric a.c. generator in combination with a regulator
GB941163A (en) Electric motor control system
GB1309034A (en) Variable speed drive arrangements
GB1490979A (en) Brushless ac synchronous motors
US3383583A (en) Device for automatic field control in synchronous generators
ES271408A1 (en) A speed adjustment system for an electric motor (Machine-translation by Google Translate, not legally binding)
GB822044A (en) Improvements in or relating to methods of and apparatus for regulating the speed and the torque of a slip-ring asynchronous machine
GB1364679A (en) Direct current electrical machines
GB731928A (en) Apparatus for the regulation of rotation speed or torque of direct current motors
GB985311A (en) Improvements in or relating to systems for controlling the speed of alternating current motors
GB1014000A (en) Improvements in control systems for a.c. electric motors
GB1018200A (en) High speed centrifuge and speed control circuit therefor
GB875669A (en) Improvements in or relating to the braking of electric driving motors
GB816232A (en) Improvements in or relating to field excitation arrangements for synchronous electric motors
GB831820A (en) Improvements in or relating to electric motor control arrangements