[go: up one dir, main page]

GB588030A - Improvements in or relating to systems for stopping induction motors - Google Patents

Improvements in or relating to systems for stopping induction motors

Info

Publication number
GB588030A
GB588030A GB442644A GB442644A GB588030A GB 588030 A GB588030 A GB 588030A GB 442644 A GB442644 A GB 442644A GB 442644 A GB442644 A GB 442644A GB 588030 A GB588030 A GB 588030A
Authority
GB
United Kingdom
Prior art keywords
contacts
motor
control
phase motor
star
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
GB442644A
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.)
Cutler Hammer Europe Ltd
Original Assignee
Igranic Electric Co Ltd
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 Igranic Electric Co Ltd filed Critical Igranic Electric Co Ltd
Priority to GB442644A priority Critical patent/GB588030A/en
Publication of GB588030A publication Critical patent/GB588030A/en
Expired legal-status Critical Current

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
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

588,030. Control of A.C. motors. IGRANIC ELECTRIC CO., Ltd., and WEST, R. A. March 9, 1944, No. 4426. [Class 38 (iii)] In a control system for a polyphase induction motor of the slip-ring type, the motor is brought to rest by opening the main contacts 3 and closing the braking-contacts 7, and approximately at the same time inserting the resistance 4 in circuit with the rotor winding 2. Consequently, one stator winding is short-circuited, and the voltage applied to another reversed, thereby producing a magnetic field greater than normal and a powerful braking-effort. The contacts 7 may open, under the control of a timing-relay, after a period sufficient to enable the motor to come to rest. Interlocks ensure that the contacts 3 and 7 are not closed together. The Specification describes also the application of the invention to a two-phase motor with a threewire supply, a two-phase motor with a fourwire supply and a three-phase motor with its primary connected in star. The rotor windings can be connected in either star or mesh. An automatic sequence control subject to stop and start push-button switches is described.
GB442644A 1944-03-09 1944-03-09 Improvements in or relating to systems for stopping induction motors Expired GB588030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB442644A GB588030A (en) 1944-03-09 1944-03-09 Improvements in or relating to systems for stopping induction motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB442644A GB588030A (en) 1944-03-09 1944-03-09 Improvements in or relating to systems for stopping induction motors

Publications (1)

Publication Number Publication Date
GB588030A true GB588030A (en) 1947-05-13

Family

ID=9776965

Family Applications (1)

Application Number Title Priority Date Filing Date
GB442644A Expired GB588030A (en) 1944-03-09 1944-03-09 Improvements in or relating to systems for stopping induction motors

Country Status (1)

Country Link
GB (1) GB588030A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2958813A1 (en) * 2010-03-18 2011-10-14 Heinrich Krieger CONNECTING A POLYPASE WINDING TO GENERATE AN ALTERNATIVE FIELD

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2958813A1 (en) * 2010-03-18 2011-10-14 Heinrich Krieger CONNECTING A POLYPASE WINDING TO GENERATE AN ALTERNATIVE FIELD
GB2489234A (en) * 2010-03-18 2012-09-26 Heinrich Krieger Braking of multi-phase motors using an alternating field
GB2489234B (en) * 2010-03-18 2015-12-02 Heinrich Krieger Connection for a multi-phase winding generating an alternating field
AT509827A3 (en) * 2010-03-18 2018-04-15 Krieger Heinrich CIRCUIT FOR GENERATING A POINTWAY DIRECTIONAL CONVERTING CHANGE FIELD BY MEANS OF MULTI-PHASE DEVELOPMENT

Similar Documents

Publication Publication Date Title
US2338518A (en) Dynamoelectric machine
GB588030A (en) Improvements in or relating to systems for stopping induction motors
US2210412A (en) Motor control system
US2804582A (en) Electric induction motor reversing circuit
GB1154930A (en) D.C. Excited Synchronous Motors
US2089448A (en) Synchronizing device
US1995157A (en) Motor control system
GB743985A (en) Improvements in and relating to electrical relays
GB501026A (en) Improvements in or relating to electric motors
GB1169481A (en) Improvements in Single Phase Alternating Current Multi-Voltage Induction Motor Stator.
US3207968A (en) Electric motor control system
GB921270A (en) Improvements in or relating to self-starting single-phase induction motors
US2215063A (en) Synchronizing equipment
GB990561A (en) Direct-current motor having contact-less commutation
US1586744A (en) Method of reversing polarity of synchronous converters
US2282845A (en) Control system
US2717348A (en) Dual frequency single phase alternating current motor
US2205246A (en) Synchronous-motor-control system
US1791395A (en) Synchronizing apparatus
US1759787A (en) Protective device for rotary converters
US1718500A (en) Electric relay
US2255490A (en) Protective system for alternating current dynamoelectric machines
GB591766A (en) Improvements in electrical protective systems for use with synchronous motors
GB251559A (en) Improvements in or relating to electric motor controllers
GB700258A (en) Improvements in control systems for single-phase asynchronous motors