IN169597B - - Google Patents

Info

Publication number
IN169597B
IN169597B IN438/CAL/88A IN438CA1988A IN169597B IN 169597 B IN169597 B IN 169597B IN 438CA1988 A IN438CA1988 A IN 438CA1988A IN 169597 B IN169597 B IN 169597B
Authority
IN
India
Application number
IN438/CAL/88A
Other languages
English (en)
Inventor
Herbert William Weiss
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IN169597B publication Critical patent/IN169597B/en

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
    • 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
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/22—Multiple windings; Windings for more than three phases

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
IN438/CAL/88A 1986-06-19 1988-05-30 IN169597B (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87603186A 1986-06-19 1986-06-19
US07/282,902 US4873478A (en) 1986-06-19 1988-12-12 Method and apparatus for controlling an alternating current motor particularly at low speeds

Publications (1)

Publication Number Publication Date
IN169597B true IN169597B (no) 1991-11-16

Family

ID=26961739

Family Applications (1)

Application Number Title Priority Date Filing Date
IN438/CAL/88A IN169597B (no) 1986-06-19 1988-05-30

Country Status (4)

Country Link
US (1) US4873478A (no)
EP (1) EP0344370B1 (no)
DE (1) DE3875962T2 (no)
IN (1) IN169597B (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5294875A (en) * 1989-05-25 1994-03-15 Otis Elevator Company Enhanced polyphase motor operation using a solid state inverter
US4968925A (en) * 1989-08-07 1990-11-06 General Electric Company Universal field-oriented controller
SE503106C2 (sv) * 1994-07-01 1996-03-25 Asea Brown Boveri Lastkommuterad synkronmotordrift
US5572916A (en) * 1994-10-20 1996-11-12 Hitachi Koki Haramachi Co., Ltd. Desk-top cutting machine
US5751585A (en) * 1995-03-20 1998-05-12 Electro Scientific Industries, Inc. High speed, high accuracy multi-stage tool positioning system
US5847960A (en) * 1995-03-20 1998-12-08 Electro Scientific Industries, Inc. Multi-tool positioning system
JP2000133533A (ja) * 1998-10-28 2000-05-12 Toshiba Corp サイクロコンバータ用変圧器
FI113106B (fi) 2001-06-14 2004-02-27 Abb Oy Menetelmä vaihtosuuntaajan kytkemiseksi vaihtojännitteeseen
DE102006031453A1 (de) * 2006-07-07 2008-01-17 Festo Ag & Co. Elektrischer Motor und Verfahren
WO2008094357A2 (en) * 2007-01-29 2008-08-07 Sumitomo Heavy Industries, Ltd. Expander speed control
JP4580023B2 (ja) 2009-03-02 2010-11-10 ファナック株式会社 複数の巻線を備えたモータを駆動するモータ駆動システム
US9919903B2 (en) * 2014-03-13 2018-03-20 Nabors Drilling Technologies Usa, Inc. Multi-speed electric motor
JP6390884B2 (ja) * 2015-04-27 2018-09-19 工機ホールディングス株式会社 電動工具

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492928B1 (no) * 1969-11-25 1974-01-23
US3991354A (en) * 1975-05-29 1976-11-09 Westinghouse Electric Corporation Variable speed drive for induction motor
US4449087A (en) * 1981-12-23 1984-05-15 General Electric Company Flux feedback firing control for a load commutated inverter
US4443747A (en) * 1982-04-01 1984-04-17 General Electric Company Transitioning between multiple modes of inverter control in a load commutated inverter motor drive
US4426611A (en) * 1982-04-28 1984-01-17 General Electric Company Twelve pulse load commutated inverter drive system
US4488101A (en) * 1982-12-23 1984-12-11 Borg-Warner Corporation Starting system for chopper controlled motor-commutated thyristor inverter
US4565953A (en) * 1984-07-02 1986-01-21 General Electric Company Twelve pulse AC motor drive
US4600874A (en) * 1985-01-26 1986-07-15 General Electric Company Excitation current control for induction motor drive using load commutated inverter circuit

Also Published As

Publication number Publication date
EP0344370B1 (en) 1992-11-11
EP0344370A1 (en) 1989-12-06
DE3875962T2 (de) 1993-03-18
US4873478A (en) 1989-10-10
DE3875962D1 (de) 1992-12-17

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