GB2120422B - Digital power controller for induction motors - Google Patents

Digital power controller for induction motors

Info

Publication number
GB2120422B
GB2120422B GB08312938A GB8312938A GB2120422B GB 2120422 B GB2120422 B GB 2120422B GB 08312938 A GB08312938 A GB 08312938A GB 8312938 A GB8312938 A GB 8312938A GB 2120422 B GB2120422 B GB 2120422B
Authority
GB
United Kingdom
Prior art keywords
power controller
digital power
induction motors
motors
induction
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
GB08312938A
Other versions
GB8312938D0 (en
GB2120422A (en
Inventor
Peter Joseph Unsworth
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB08312938A priority Critical patent/GB2120422B/en
Publication of GB8312938D0 publication Critical patent/GB8312938D0/en
Publication of GB2120422A publication Critical patent/GB2120422A/en
Application granted granted Critical
Publication of GB2120422B publication Critical patent/GB2120422B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1892—Arrangements for adjusting, eliminating or compensating reactive power in networks the arrangements being an integral part of the load, e.g. a motor, or of its control circuit
    • 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
    • H02P23/26—Power factor control [PFC]
GB08312938A 1982-05-17 1983-05-11 Digital power controller for induction motors Expired GB2120422B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08312938A GB2120422B (en) 1982-05-17 1983-05-11 Digital power controller for induction motors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8214255 1982-05-17
GB08312938A GB2120422B (en) 1982-05-17 1983-05-11 Digital power controller for induction motors

Publications (3)

Publication Number Publication Date
GB8312938D0 GB8312938D0 (en) 1983-06-15
GB2120422A GB2120422A (en) 1983-11-30
GB2120422B true GB2120422B (en) 1986-07-09

Family

ID=26282850

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08312938A Expired GB2120422B (en) 1982-05-17 1983-05-11 Digital power controller for induction motors

Country Status (1)

Country Link
GB (1) GB2120422B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8324780D0 (en) * 1983-09-15 1983-10-19 Unsworth P J Controller for induction motors
AU569646B2 (en) * 1984-12-18 1988-02-11 Toshiba, Kabushiki Kaisha Detecting critical rotation speed of an induction motor
US4859926A (en) * 1988-01-19 1989-08-22 Impact Systems, Inc. Power controller for heater load
BR9400925A (en) * 1993-07-15 1995-03-07 Electricity Reduction Technolo Control system for electric motors
HU9401800D0 (en) * 1994-06-17 1994-09-28 Energestor Kereskedelmi Es Szo Electronic apparatus for decrease of active and reactive energy consumption of ac electric motors with star-delta connection loaded by variable load, improvement of power factor and motor protection
US5723966A (en) * 1996-08-23 1998-03-03 Current Technology, Inc. System and method for increasing the efficiency of alternating current induction motors
US8207699B2 (en) 2009-07-08 2012-06-26 Innosave Ltd. Method and apparatus for AC motor control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361792A (en) * 1980-05-06 1982-11-30 Chesebrough-Pond's Inc. Digital induction motor control system
GB2084359B (en) * 1980-09-26 1984-08-15 Nat Res Dev Apparatus and methods for controlling three phase induction motors

Also Published As

Publication number Publication date
GB8312938D0 (en) 1983-06-15
GB2120422A (en) 1983-11-30

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20030510