BR9806999A - Aperfeiçoamento em motores elétricos de alta valocidade. - Google Patents

Aperfeiçoamento em motores elétricos de alta valocidade.

Info

Publication number
BR9806999A
BR9806999A BR9806999-3A BR9806999A BR9806999A BR 9806999 A BR9806999 A BR 9806999A BR 9806999 A BR9806999 A BR 9806999A BR 9806999 A BR9806999 A BR 9806999A
Authority
BR
Brazil
Prior art keywords
high speed
core
jacket
rotor
improvement
Prior art date
Application number
BR9806999-3A
Other languages
English (en)
Inventor
Howard C Lovatt
Peter Andrew Watterson
Original Assignee
Commw Scient Ind Res Org
Univ Technology Sidney
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 Commw Scient Ind Res Org, Univ Technology Sidney filed Critical Commw Scient Ind Res Org
Publication of BR9806999A publication Critical patent/BR9806999A/pt

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Brushless Motors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

"APERFEIçOAMENTO EM MOTORES ELéTRICOS DE ALTA VELOCIDADE". Trata-se de um motor DC sem escova de alta velocidade que tem um rotor (10) que compreende um núcleo e magneto de terra rara sólido (17) magnetizado diametralmente. O rotor inclui uma camisa (18) que circunda o núcleo de magneto (17) de modo a restringir radialmente o núcleo durante sua rotação a alta velocidade. A camisa (18) se estende axialmente em ambas as direções a partir do núcleo para formar um eixo oco para rotor (16). A camisa (18) é formada de material não magnético de baixa condutividade elétrica. O conjunto de circuitos de controle (14) é proporcionado e inclui um inversor eletrónico de uma capacidade nominal predeterminada, sendo que o conjunto de circuitos de controle inclui um meio para manter substancialmente constante a potência em toda a faixa de velocidade do motor desde uma velocidade base até uma velocidade máxima ao mesmo tempo em que mantém um fator de potência próximo a 1.
BR9806999-3A 1997-01-24 1998-01-23 Aperfeiçoamento em motores elétricos de alta valocidade. BR9806999A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPO4782A AUPO478297A0 (en) 1997-01-24 1997-01-24 Improvements in high speed electric motors
PCT/AU1998/000035 WO1998033260A1 (en) 1997-01-24 1998-01-23 Improvements in high speed electric motors

Publications (1)

Publication Number Publication Date
BR9806999A true BR9806999A (pt) 2000-03-14

Family

ID=3799086

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9806999-3A BR9806999A (pt) 1997-01-24 1998-01-23 Aperfeiçoamento em motores elétricos de alta valocidade.

Country Status (13)

Country Link
US (1) US6194852B1 (pt)
EP (1) EP0954895A1 (pt)
JP (1) JP4144672B2 (pt)
KR (1) KR100508315B1 (pt)
CN (1) CN1249862A (pt)
AU (1) AUPO478297A0 (pt)
BR (1) BR9806999A (pt)
CA (1) CA2278581C (pt)
ID (1) ID22909A (pt)
MY (1) MY121757A (pt)
RU (1) RU99118227A (pt)
TW (1) TW366623B (pt)
WO (1) WO1998033260A1 (pt)

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GB2469144B (en) * 2009-04-04 2014-11-05 Dyson Technology Ltd Control of an electric machine
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GB2469142B (en) * 2009-04-04 2014-04-23 Dyson Technology Ltd High-speed electric system
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GB201006387D0 (en) 2010-04-16 2010-06-02 Dyson Technology Ltd Control of a brushless motor
GB201006392D0 (en) 2010-04-16 2010-06-02 Dyson Technology Ltd Controller for a brushless motor
GB201006395D0 (en) 2010-04-16 2010-06-02 Dyson Technology Ltd Control of a brushless motor
GB201006386D0 (en) 2010-04-16 2010-06-02 Dyson Technology Ltd Control of a brushless motor
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Also Published As

Publication number Publication date
TW366623B (en) 1999-08-11
JP2001508997A (ja) 2001-07-03
MY121757A (en) 2006-02-28
CN1249862A (zh) 2000-04-05
KR20000070440A (ko) 2000-11-25
CA2278581A1 (en) 1998-07-30
EP0954895A1 (en) 1999-11-10
CA2278581C (en) 2005-04-19
US6194852B1 (en) 2001-02-27
KR100508315B1 (ko) 2005-08-17
JP4144672B2 (ja) 2008-09-03
WO1998033260A1 (en) 1998-07-30
AUPO478297A0 (en) 1997-02-20
ID22909A (id) 1999-12-16
RU99118227A (ru) 2001-08-27

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]