ZA804977B - Variable speed electric machine having controlled magnetic flux density - Google Patents

Variable speed electric machine having controlled magnetic flux density

Info

Publication number
ZA804977B
ZA804977B ZA00804977A ZA804977A ZA804977B ZA 804977 B ZA804977 B ZA 804977B ZA 00804977 A ZA00804977 A ZA 00804977A ZA 804977 A ZA804977 A ZA 804977A ZA 804977 B ZA804977 B ZA 804977B
Authority
ZA
South Africa
Prior art keywords
magnetic flux
electric machine
flux density
variable speed
speed electric
Prior art date
Application number
ZA00804977A
Other languages
English (en)
Inventor
C Wanlass
Original Assignee
Wanlass Tech Inc
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 Wanlass Tech Inc filed Critical Wanlass Tech Inc
Publication of ZA804977B publication Critical patent/ZA804977B/xx

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
    • H02P23/28—Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Windings For Motors And Generators (AREA)
ZA00804977A 1979-08-14 1980-08-14 Variable speed electric machine having controlled magnetic flux density ZA804977B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/066,411 US4338557A (en) 1979-08-14 1979-08-14 Variable speed electric machine having controlled magnetic flux density

Publications (1)

Publication Number Publication Date
ZA804977B true ZA804977B (en) 1982-04-28

Family

ID=22069338

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00804977A ZA804977B (en) 1979-08-14 1980-08-14 Variable speed electric machine having controlled magnetic flux density

Country Status (25)

Country Link
US (1) US4338557A (xx)
JP (1) JPS56501031A (xx)
KR (1) KR830001998B1 (xx)
AU (1) AU550663B2 (xx)
BE (1) BE884792A (xx)
BR (1) BR8008788A (xx)
CA (1) CA1164933A (xx)
CH (1) CH667167A5 (xx)
DK (1) DK162781A (xx)
ES (1) ES8200526A1 (xx)
FR (1) FR2463533A1 (xx)
GB (1) GB2071441B (xx)
HK (1) HK63886A (xx)
HU (1) HU193143B (xx)
IE (1) IE52038B1 (xx)
IL (1) IL60777A (xx)
IN (1) IN154351B (xx)
IT (1) IT1218422B (xx)
MX (1) MX148605A (xx)
NL (1) NL8020327A (xx)
NO (1) NO811271L (xx)
PL (1) PL226234A1 (xx)
SE (1) SE455748B (xx)
WO (1) WO1981000651A1 (xx)
ZA (1) ZA804977B (xx)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN157249B (xx) * 1980-09-26 1986-02-15 Nat Res Dev
US4489265A (en) * 1983-03-24 1984-12-18 Westinghouse Electric Corp. Electric machine with continuous pole phase modulation
US4761602A (en) * 1985-01-22 1988-08-02 Gregory Leibovich Compound short-circuit induction machine and method of its control
US4959573A (en) * 1986-08-27 1990-09-25 S.P.C. Holding, Co., Ltd. Electromagnetic induction machines having regulated polar magnetic symmetry
US4808868A (en) * 1986-08-27 1989-02-28 S.P.C. Holding Co., Inc. Single and polyphase electromagnetic induction machines having regulated polar magnetic symmetry
DE3814244A1 (de) * 1987-07-23 1989-02-16 Siemens Ag Schaltungs- und wicklungsanordnung fuer eine mehrphasige elektrische drehfeldmaschine
US5225729A (en) * 1990-09-14 1993-07-06 Yang Tai Her Lap-wound stator with adjustable commutating angle
GB9414116D0 (en) * 1994-07-13 1994-08-31 Switched Reluctance Drives Ltd Polyphase switched reluctance machines
CA2151532C (en) * 1994-07-25 1998-12-22 Emerson Electric Co. Auxiliary starting switched reluctance motor
JP3530911B2 (ja) * 1995-03-29 2004-05-24 正 深尾 可変速発電電動機
US5780949A (en) * 1996-01-29 1998-07-14 Emerson Electric Co. Reluctance machine with auxiliary field excitations
US5866964A (en) * 1996-01-29 1999-02-02 Emerson Electric Company Reluctance machine with auxiliary field excitations
US5923142A (en) * 1996-01-29 1999-07-13 Emerson Electric Co. Low cost drive for switched reluctance motor with DC-assisted excitation
US5982650A (en) * 1996-03-11 1999-11-09 Luce; John W. Intra-grid power director
US6008561A (en) * 1996-10-31 1999-12-28 Emerson Electric Co. Switched reluctance motor with damping windings
US5811905A (en) * 1997-01-07 1998-09-22 Emerson Electric Co. Doubly-fed switched reluctance machine
US5929590A (en) * 1997-01-07 1999-07-27 Emerson Electric Co. Method and apparatus for implementing sensorless control of a switched reluctance machine
US6331760B1 (en) * 1998-10-06 2001-12-18 Mclane, Jr. Oscar B. Capacitive induction motor and method
US6057622A (en) * 1999-01-21 2000-05-02 Lockhead Martin Energy Research Corporation Direct control of air gap flux in permanent magnet machines
JP2001275325A (ja) * 2000-03-27 2001-10-05 Honda Motor Co Ltd 電動パワーステアリング装置
KR100757060B1 (ko) * 2005-04-01 2007-09-10 엘지전자 주식회사 저속에서의 발전 효율이 개선된 에스알 발전기
GB2431528B (en) * 2005-10-18 2009-04-29 Alstom Power Conversion Ltd Electronic commutator circuits
ITMI20071432A1 (it) * 2007-07-17 2009-01-18 Ducati Energia Spa Regolatore di tensione per magnetogeneratori a connessione configurabile degli avvolgimenti di fase
US20110241630A1 (en) 2008-09-03 2011-10-06 Exro Technologies Inc. Power conversion system for a multi-stage generator
DK2474092T3 (da) * 2009-09-03 2020-07-27 Dpm Tech Inc Variabelt spolekonfigurationssystem, apparat og fremgangsmåde
EP3354522A1 (en) 2017-01-25 2018-08-01 TVS Motor Company Limited Immobilizer for a two-wheeled vehicle
JP2020521418A (ja) 2017-05-23 2020-07-16 ディーピーエム テクノロジーズ インク． 可変コイル結線システム
US11722026B2 (en) 2019-04-23 2023-08-08 Dpm Technologies Inc. Fault tolerant rotating electric machine
WO2021145864A1 (en) 2020-01-14 2021-07-22 Adventech, Llc Enhanced reverse-winding induction motor designs, systems, and methods
CA3217299A1 (en) 2021-05-04 2022-11-10 Tung Nguyen Battery control systems and methods
CA3159864A1 (en) 2021-05-13 2022-11-13 Exro Technologies Inc. Method and apparatus to drive coils of a multiphase electric machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039050A (en) * 1933-03-17 1936-04-28 English Electric Co Ltd Polyphase alternating current motor
US2697810A (en) * 1950-08-30 1954-12-21 Hutchins Electric Company Inc Single phase induction motor
US2991402A (en) * 1957-03-22 1961-07-04 San Ei Kogyo Ltd Single phase electric motor of ferro resonance type
US3354370A (en) * 1965-05-20 1967-11-21 Gen Motors Corp Electrical inverter having separate shutoff power supplies
DE1949301C1 (de) * 1969-09-30 1978-04-27 Maschf Augsburg Nuernberg Ag Elektrische Antriebseinheit fuer schnellaufende Geraete,zum Beispiel Gas-Ultra-Zentrifugen
US3940646A (en) * 1974-03-28 1976-02-24 A. O. Smith Corporation Single-phase induction motor
US4187457A (en) * 1975-07-21 1980-02-05 Wanlass Cravens Lamar Polyphase electric motor having controlled magnetic flux density
US4132932A (en) * 1975-07-21 1979-01-02 Wanlass Cravens Lamar Balanced split-phase electric motor
US4063135A (en) * 1975-07-21 1977-12-13 Cravens Research Company Electric motor having controlled magnetic flux density
FR2347815A1 (fr) * 1976-04-07 1977-11-04 Wanlass Cravens Moteur electrique a couple commande
US4095149A (en) * 1976-04-07 1978-06-13 Wanlass Cravens Lamar Optimized electric motor having controlled magnetic flux density

Also Published As

Publication number Publication date
IT1218422B (it) 1990-04-19
HK63886A (en) 1986-09-05
KR830003963A (ko) 1983-06-30
NO811271L (no) 1981-04-13
AU6228780A (en) 1981-03-18
BR8008788A (pt) 1981-06-23
CH667167A5 (de) 1988-09-15
BE884792A (fr) 1980-12-01
DK162781A (da) 1981-04-10
SE8102273L (sv) 1981-04-09
CA1164933A (en) 1984-04-03
US4338557A (en) 1982-07-06
IE52038B1 (en) 1987-05-27
WO1981000651A1 (en) 1981-03-05
ES494234A0 (es) 1981-11-01
JPS56501031A (xx) 1981-07-23
MX148605A (es) 1983-05-16
IE801715L (en) 1981-02-14
NL8020327A (nl) 1981-07-01
IL60777A (en) 1983-03-31
ES8200526A1 (es) 1981-11-01
FR2463533A1 (fr) 1981-02-20
GB2071441B (en) 1983-06-22
GB2071441A (en) 1981-09-16
HU193143B (en) 1987-08-28
KR830001998B1 (ko) 1983-10-04
AU550663B2 (en) 1986-03-27
PL226234A1 (xx) 1981-06-19
IT8024134A0 (it) 1980-08-12
IN154351B (xx) 1984-10-20
SE455748B (sv) 1988-08-01

Similar Documents

Publication Publication Date Title
GB2071441B (en) Variable speed electric machine having controlled magnetic flux density
GB2074796B (en) Polyphase electric machine having controlled magnetic flux density
JPS55133664A (en) Magnetic reluctance machine
GB2064377B (en) Magnetic separators
GB1550392A (en) Electric motors having controlled magnetic flux density
GB2039157B (en) Magnetic core
JPS55133640A (en) Electric machine having laminated iron core
PH19909A (en) Variable speed electric machine having controlled magnetic flux density
DE3068468D1 (en) Machine for making flat or conical disk-shaped windings for electric motors
GB2120894B (en) Magnetic printing machine
DE3049814A1 (de) Variable speed electric machine having controlled magnetic flux density
GB2061020B (en) Electric motors automatic control of speed
JPS5683231A (en) High speed electric machine
PH19852A (en) Polyphase electric machine having controlled magnetic flux density
DK162881A (da) Flerfaset elektrisk maskine med styret magnetisk fluxtaethed
AU514894B2 (en) Optimized electric motor having controlled magnetic flux density
DE2966237D1 (en) Magnetic control apparatus
SU1146762A1 (en) Detachable magnetic circuit for electric machine
SU1146761A1 (en) Magnetic circuit for electric machine
GB2054941B (en) Process for geenerating a magnetic induction field within a magnetic medium
CS181036B1 (en) Inexplosive insulated inductive machine squirrelcage winding
GB2048546B (en) Process for generating a magnetic induction field within a magnetic medium
JPS5682795A (en) Multiple winding speed electric hoist
JPS52144719A (en) Magnet power machine
JPS56162378A (en) Magnetic refrigerating machine