GB2212348B - Improvements in circuits for starting electric motors - Google Patents

Improvements in circuits for starting electric motors

Info

Publication number
GB2212348B
GB2212348B GB8826346A GB8826346A GB2212348B GB 2212348 B GB2212348 B GB 2212348B GB 8826346 A GB8826346 A GB 8826346A GB 8826346 A GB8826346 A GB 8826346A GB 2212348 B GB2212348 B GB 2212348B
Authority
GB
United Kingdom
Prior art keywords
circuits
electric motors
starting electric
starting
motors
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 - Fee Related
Application number
GB8826346A
Other versions
GB8826346D0 (en
GB2212348A (en
Inventor
Brian Hawker
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.)
HAWKER CONTROLS Ltd
Original Assignee
HAWKER CONTROLS 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 HAWKER CONTROLS Ltd filed Critical HAWKER CONTROLS Ltd
Publication of GB8826346D0 publication Critical patent/GB8826346D0/en
Publication of GB2212348A publication Critical patent/GB2212348A/en
Application granted granted Critical
Publication of GB2212348B publication Critical patent/GB2212348B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H02P1/28—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 by progressive increase of voltage applied to primary circuit of motor
GB8826346A 1987-11-10 1988-11-10 Improvements in circuits for starting electric motors Expired - Fee Related GB2212348B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878726287A GB8726287D0 (en) 1987-11-10 1987-11-10 Circuits for electric motors

Publications (3)

Publication Number Publication Date
GB8826346D0 GB8826346D0 (en) 1988-12-14
GB2212348A GB2212348A (en) 1989-07-19
GB2212348B true GB2212348B (en) 1992-04-08

Family

ID=10626716

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878726287A Pending GB8726287D0 (en) 1987-11-10 1987-11-10 Circuits for electric motors
GB8826346A Expired - Fee Related GB2212348B (en) 1987-11-10 1988-11-10 Improvements in circuits for starting electric motors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878726287A Pending GB8726287D0 (en) 1987-11-10 1987-11-10 Circuits for electric motors

Country Status (1)

Country Link
GB (2) GB8726287D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003233690B2 (en) * 2002-05-29 2005-09-29 Bristol Compressors, Inc. System and method for soft starting a three phase motor
NO20033362D0 (en) * 2003-07-25 2003-07-25 Magtech As Soft starts for asynchronous motors

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284177A (en) * 1926-07-20 1928-01-20 Electric Machinery Mfg Co Method of and means for starting synchronous motors
GB1097427A (en) * 1965-04-05 1968-01-03 Takao Kawabe Improvements in or relating to starters for alternating current motors
US4100469A (en) * 1977-04-25 1978-07-11 Allen-Bradley Company Hybrid motor starter
EP0031688A2 (en) * 1979-12-28 1981-07-08 Myson Group Limited Electric motor start up control
WO1983003928A1 (en) * 1982-04-30 1983-11-10 Aset Ag Device for starting electric motors and method for its actuation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284177A (en) * 1926-07-20 1928-01-20 Electric Machinery Mfg Co Method of and means for starting synchronous motors
GB1097427A (en) * 1965-04-05 1968-01-03 Takao Kawabe Improvements in or relating to starters for alternating current motors
US4100469A (en) * 1977-04-25 1978-07-11 Allen-Bradley Company Hybrid motor starter
EP0031688A2 (en) * 1979-12-28 1981-07-08 Myson Group Limited Electric motor start up control
GB2067370A (en) * 1979-12-28 1981-07-22 Myson Group Ltd Electric motor start up control
WO1983003928A1 (en) * 1982-04-30 1983-11-10 Aset Ag Device for starting electric motors and method for its actuation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EP A2 0031688 is equivalent to GB 2067370 *

Also Published As

Publication number Publication date
GB8826346D0 (en) 1988-12-14
GB2212348A (en) 1989-07-19
GB8726287D0 (en) 1987-12-16

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee