GB1221865A - A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors - Google Patents

A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors

Info

Publication number
GB1221865A
GB1221865A GB02691/68A GB1269168A GB1221865A GB 1221865 A GB1221865 A GB 1221865A GB 02691/68 A GB02691/68 A GB 02691/68A GB 1269168 A GB1269168 A GB 1269168A GB 1221865 A GB1221865 A GB 1221865A
Authority
GB
United Kingdom
Prior art keywords
circuit
rotor
supply
thyristors
controlling
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
GB02691/68A
Inventor
Siegfried Thamm
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.)
Institut fuer Schiffbau
Original Assignee
Institut fuer Schiffbau
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 Institut fuer Schiffbau filed Critical Institut fuer Schiffbau
Priority to GB02691/68A priority Critical patent/GB1221865A/en
Publication of GB1221865A publication Critical patent/GB1221865A/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
    • 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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/04—Single phase motors, e.g. capacitor 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/16—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using ac to ac converters without intermediate conversion to dc

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

1,221,865. Control of A.C. motors. INSTITUT FUR SCHIFFBAU. 15 March, 1968, No. 12691/68. Heading H2J. A circuit for controlling the speed of asynchronous, wound rotor, machines comprises controllable switch means to conduct current in either direction (thyristors 5a ... 13b) to connect the rotor windings to the stator and hence to the A.C. supply, and a quenching circuit (capacitor 20 and thyristors 14a ... 19b) connected to the rotor, the speed being controlled by the frequency and duration of operation of the switch means. Instead of the thyristors shown the switch means may comprise thyratrons. They may be triggered to short circuit for variable periods of time any two phases of the rotor, or to connect them to any of the phases of the supply. When short circuiting thyristors are quenched the rotor voltage is boosted by inductors 3r, 3s, 3t so that current is fed back into the supply. Capacitors 21 suppress harmonics in the supply, and a number of motors may be controlled by a single control circuit.
GB02691/68A 1968-03-15 1968-03-15 A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors Expired GB1221865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB02691/68A GB1221865A (en) 1968-03-15 1968-03-15 A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB02691/68A GB1221865A (en) 1968-03-15 1968-03-15 A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors

Publications (1)

Publication Number Publication Date
GB1221865A true GB1221865A (en) 1971-02-10

Family

ID=10009357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB02691/68A Expired GB1221865A (en) 1968-03-15 1968-03-15 A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors

Country Status (1)

Country Link
GB (1) GB1221865A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1416626A2 (en) * 2002-10-31 2004-05-06 Alstom Three-motor with a slip-ring rotor and transportsystem provided with the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1416626A2 (en) * 2002-10-31 2004-05-06 Alstom Three-motor with a slip-ring rotor and transportsystem provided with the same
EP1416626A3 (en) * 2002-10-31 2005-12-21 Alstom Three-motor with a slip-ring rotor and transportsystem provided with the same

Similar Documents

Publication Publication Date Title
GB1272982A (en) Improvements in or relating to electric motors with control means
GB1221865A (en) A circuit for controlling the rotational speed of asynchronous machines with slip-ring rotors
ES426704A1 (en) Braking circuit for alternating current induction motor
GB1292542A (en) Improvements relating to the speed control of an electric motor
GB1464454A (en) Type of single phase squirrel cage induction motor assembly
GB1277225A (en) Commutatorless motor system
GB1115658A (en) Arrangement for controlling three phase a.c. asynchronous motors
US3293520A (en) Arrangement for generating a rotary movement at a variable speed
GB1474414A (en) Electric circuit for braking an asynchronous electric motor
GB1309034A (en) Variable speed drive arrangements
GB1076228A (en) Arrangement for the operation of a slip-ring induction motor
GB1136620A (en) Apparatus for supplying electric current from an a.c. supply to a load at a low frequency
GB1327141A (en) Reluctance machine
GB1243657A (en) Improvements in and relating to rotating field motors for single-phase operation
GB941163A (en) Electric motor control system
GB1008700A (en) Improved means for and method of controlling dynamo-electric machines
GB1223031A (en) Direct-current machine arrangement
GB1226428A (en)
GB1085520A (en) The control of three-phase motors
GB1004888A (en) Electric motor controlling system
GB1021088A (en) A driving system comprising an alternating current motor
GB991379A (en) Improved circuit arrangement for braking a.c. machines of the schrage kind
GB1202919A (en) A controllable-speed electric drive
GB995852A (en) Improvements in and relating to alternating current switching arrangements for reversing polyphase motors
GB1006813A (en) Improvements in drive assemblies of the kind comprising two or more asynchronous electric motors