GB2398940B - Method and apparatus of improving the efficiency of an induction motor - Google Patents

Method and apparatus of improving the efficiency of an induction motor

Info

Publication number
GB2398940B
GB2398940B GB0411708A GB0411708A GB2398940B GB 2398940 B GB2398940 B GB 2398940B GB 0411708 A GB0411708 A GB 0411708A GB 0411708 A GB0411708 A GB 0411708A GB 2398940 B GB2398940 B GB 2398940B
Authority
GB
United Kingdom
Prior art keywords
improving
efficiency
induction motor
induction
motor
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 - Lifetime
Application number
GB0411708A
Other versions
GB0411708D0 (en
GB2398940A (en
Inventor
Brian Thomas Branecky
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.)
AO Smith Corp
Original Assignee
AO Smith Corp
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
Priority claimed from US09/713,343 external-priority patent/US6433504B1/en
Application filed by AO Smith Corp filed Critical AO Smith Corp
Publication of GB0411708D0 publication Critical patent/GB0411708D0/en
Publication of GB2398940A publication Critical patent/GB2398940A/en
Application granted granted Critical
Publication of GB2398940B publication Critical patent/GB2398940B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
GB0411708A 1999-12-13 2000-12-11 Method and apparatus of improving the efficiency of an induction motor Expired - Lifetime GB2398940B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17033899P 1999-12-13 1999-12-13
US09/713,343 US6433504B1 (en) 1999-12-13 2000-11-14 Method and apparatus of improving the efficiency of an induction motor
GB0030105A GB2359427B (en) 1999-12-13 2000-12-11 Method and apparatus of improving the efficiency of an induction motor

Publications (3)

Publication Number Publication Date
GB0411708D0 GB0411708D0 (en) 2004-06-30
GB2398940A GB2398940A (en) 2004-09-01
GB2398940B true GB2398940B (en) 2004-10-20

Family

ID=32830352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0411708A Expired - Lifetime GB2398940B (en) 1999-12-13 2000-12-11 Method and apparatus of improving the efficiency of an induction motor

Country Status (1)

Country Link
GB (1) GB2398940B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110247612B (en) * 2019-05-21 2023-01-17 瑞声科技(新加坡)有限公司 Motor closed-loop control system and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144795A (en) * 1986-12-08 1988-06-16 Toyota Autom Loom Works Ltd Speed controller for induction motor
GB2323984A (en) * 1997-04-04 1998-10-07 Ford Global Tech Inc Induction motor control method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144795A (en) * 1986-12-08 1988-06-16 Toyota Autom Loom Works Ltd Speed controller for induction motor
GB2323984A (en) * 1997-04-04 1998-10-07 Ford Global Tech Inc Induction motor control method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE Transactions on Industry applications, Vol IA-11, No. 5 Sept/Oct 1974, pages 483-488. (USA) A Abbondanti et al., Variable speed induction motor drives use electronic slip calculator based on motor voltages and current *

Also Published As

Publication number Publication date
GB0411708D0 (en) 2004-06-30
GB2398940A (en) 2004-09-01

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