GB1444332A - Electrical machines - Google Patents

Electrical machines

Info

Publication number
GB1444332A
GB1444332A GB707774A GB707774A GB1444332A GB 1444332 A GB1444332 A GB 1444332A GB 707774 A GB707774 A GB 707774A GB 707774 A GB707774 A GB 707774A GB 1444332 A GB1444332 A GB 1444332A
Authority
GB
United Kingdom
Prior art keywords
current
transistors
winding
transistor
windings
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
GB707774A
Other languages
English (en)
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of GB1444332A publication Critical patent/GB1444332A/en
Expired 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Brushless Motors (AREA)
GB707774A 1973-02-16 1974-02-15 Electrical machines Expired GB1444332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48019065A JPS49105913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-02-16 1973-02-16

Publications (1)

Publication Number Publication Date
GB1444332A true GB1444332A (en) 1976-07-28

Family

ID=11989015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB707774A Expired GB1444332A (en) 1973-02-16 1974-02-15 Electrical machines

Country Status (6)

Country Link
US (1) US3938014A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS49105913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2363632A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2218684A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1444332A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7401185A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169990A (en) * 1974-06-24 1979-10-02 General Electric Company Electronically commutated motor
US5023527A (en) * 1974-06-24 1991-06-11 General Electric Company Control circuits, electronically commutated motor systems and methods
US4459519A (en) * 1974-06-24 1984-07-10 General Electric Company Electronically commutated motor systems and control therefor
US4039912A (en) * 1974-10-30 1977-08-02 Victor Company Of Japan, Limited Three-phase brushless dc motor using two hall effect devices
DE2452082A1 (de) * 1974-11-02 1976-05-06 Papst Motoren Kg Kollektorloser gleichstrommotor mit einstraengiger statorwicklung
US4162435A (en) * 1976-10-05 1979-07-24 General Electric Company Method and apparatus for electronically commutating a direct current motor without position sensors
US4164691A (en) * 1977-03-03 1979-08-14 Victor Company Of Japan, Limited Multiphase brushless DC motor using two Hall-effect generators
DE2835210C2 (de) 1978-08-11 1988-03-24 Papst-Motoren GmbH & Co KG, 7742 St Georgen Zweipulsiger, zweisträngiger Kollektorloser Gleichstrommotor mit einem mindestens vierpoligen permanentmagnetischen Rotor
US4547714A (en) * 1978-08-11 1985-10-15 Papst-Motoren Gmbh & Co. Kg Low magnetic leakage flux brushless pulse controlled d-c motor
DE2937866C3 (de) * 1979-09-19 1988-07-07 Siemens AG, 1000 Berlin und 8000 München Kollektorloser Gleichstrommotor
JPS5678385A (en) * 1979-11-24 1981-06-27 Matsushita Electric Ind Co Ltd Operating device of motor
US4513230A (en) * 1980-04-17 1985-04-23 General Electric Company Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, and method of operating an electronically commutated motor
US4532459A (en) * 1980-04-17 1985-07-30 General Electric Company Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor and method of operating an electronically commutated motor
DE3026797C2 (de) * 1980-07-15 1986-09-11 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Kollektorloser Gleichstrommotor
JPS57177293A (en) * 1981-04-21 1982-10-30 Victor Co Of Japan Ltd Drive circuit for dc brushless motor
JPS5822594A (ja) * 1981-07-30 1983-02-09 Matsushita Electric Ind Co Ltd 直流ブラシレスモ−タの駆動装置
JPS5833986A (ja) * 1981-08-20 1983-02-28 Matsushita Electric Ind Co Ltd ブラシレス直流モ−タ
JPS58138111A (ja) * 1982-02-12 1983-08-16 Toshiba Corp 差動検出回路
US4528485A (en) * 1982-04-13 1985-07-09 General Electric Company Electronically commutated motor, method of operating such, control circuit, laundry machine and drive therefor
FR2542872B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1983-03-18 1985-07-05 Etri Sa
US4977356A (en) * 1990-02-27 1990-12-11 Rohm Co., Ltd. Driver circuit for D.C. motor
US5821660A (en) * 1997-03-05 1998-10-13 Mts Systems Corporation Brushless direct current motor having adjustable motor characteristics

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577176A (en) * 1968-04-26 1971-05-04 Compudyne Corp Constant current step motor system
JPS4827205A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-08-18 1973-04-10
US3750000A (en) * 1972-06-19 1973-07-31 Ncrc Stepping motor exciter apparatus and method
US3767896A (en) * 1972-11-22 1973-10-23 J Ryan Frying pan with a welded hollow-core expansion joint

Also Published As

Publication number Publication date
NL7401185A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-08-20
US3938014A (en) 1976-02-10
DE2363632A1 (de) 1974-08-22
FR2218684A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-13
JPS49105913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-10-07

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed