WO2004055957A1 - Moteur electrique comprenant un rotor et un stator dote de gorges, et enroulement destine a un moteur electrique - Google Patents

Moteur electrique comprenant un rotor et un stator dote de gorges, et enroulement destine a un moteur electrique Download PDF

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Publication number
WO2004055957A1
WO2004055957A1 PCT/EP2003/013112 EP0313112W WO2004055957A1 WO 2004055957 A1 WO2004055957 A1 WO 2004055957A1 EP 0313112 W EP0313112 W EP 0313112W WO 2004055957 A1 WO2004055957 A1 WO 2004055957A1
Authority
WO
WIPO (PCT)
Prior art keywords
winding
electrical machine
grooves
rotor
electric machine
Prior art date
Application number
PCT/EP2003/013112
Other languages
German (de)
English (en)
Inventor
Andreas Bethge
Irene Olbrich
Joachim Risse
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to AU2003294719A priority Critical patent/AU2003294719A1/en
Publication of WO2004055957A1 publication Critical patent/WO2004055957A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/223—Heat bridges
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/227—Heat sinks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto

Definitions

  • the invention relates to an electrical machine with a rotor and a grooved stator and a winding for an electrical machine according to the preambles of claims 1 and 9.
  • an electric motor which has a rotor connected in a rotationally fixed manner to the motor shaft and a stator.
  • the stator is provided with a winding which is arranged in grooves in a laminated core. The winding head of the winding protrudes from the end of the laminated core.
  • the casting compound is mechanically stressed and can, under certain circumstances, tear. This can damage the insulation and lead to failure of the electric motor.
  • the object of the invention is to avoid the above-mentioned disadvantages despite the stresses occurring and thus to ensure adequate cooling of the end windings of the electrical machine.
  • the solution provides that the material is a powder. Filling the end winding area with a thermally conductive powder effectively prevents the occurrence of cracks. Fluids and other aggressive media can no longer act on the winding.
  • a higher heat dissipation is ensured if the material is a compound-free solid powder with high thermal conductivity.
  • Alumina powder or boron nitride powder has a correspondingly good thermal conductivity.
  • the grain size of the powder is selected so that a predetermined compression of the powder is made possible in order to achieve better heat dissipation.
  • the powder is in thermal contact with the motor housing, via which the waste heat for cooling the electrical machine is dissipated.
  • a high cooling capacity is achieved if the material is located in an externally coolable container arranged in the motor housing, on the inside wall of which the material lies intimately.
  • the container is expediently cooled by means of an appropriate coolant.
  • the solution for the winding is that it is embedded in a thermally conductive powder.
  • the single figure shows a section of the end winding area of an electric motor 1 as the electrical machine.
  • the electric motor 1 consists of a rotor which is connected in a rotationally fixed manner to a rotatably mounted motor shaft (not shown).
  • the rotor is surrounded by a stator 2 designed as a laminated core.
  • stator 2 designed as a laminated core.
  • slots 3 are provided, into which a winding 4 is inserted. From the end face 5 of the stator 2, the winding 4 protrudes in a loop, which one in this area
  • Winding head 6 forms.
  • the winding head 6 is embedded in a powder 7 for heat dissipation of the heat loss generated during engine operation.
  • This powder pack consists of inert aluminum oxide or drilling nitride powder, which has a high thermal conductivity.
  • the powder 7 is connected directly and via cooling plates 8 to the housing 9, via which the heat is dissipated to the outside.
  • the housing 9 can be effectively cooled with water as a coolant.
  • the electric motor is supplied with power via a cable 10 which is electrically connected to the winding 4 via connections 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

La présente invention concerne un moteur électrique (1) comprenant un rotor et un stator (2) doté de gorges (3), ledit moteur comprenant au moins un enroulement (4) disposé dans les gorges, dont les têtes d'enroulement sont noyées dans un matériau qui conduit la chaleur par lequel la chaleur formée dans les têtes d'enroulement au cours du fonctionnement du moteur, est évacuée. L'invention a également pour objet un enroulement destiné à un moteur électrique. Pour garantir à tout instant un refroidissement suffisant des têtes d'enroulement du moteur, ledit matériau est une poudre (7).
PCT/EP2003/013112 2002-12-13 2003-11-21 Moteur electrique comprenant un rotor et un stator dote de gorges, et enroulement destine a un moteur electrique WO2004055957A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003294719A AU2003294719A1 (en) 2002-12-13 2003-11-21 Electric machine with a rotor and a stator provided with grooves and winding for an electric machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10258456.7 2002-12-13
DE10258456A DE10258456A1 (de) 2002-12-13 2002-12-13 Elektrische Maschine mit einem Läufer und einem mit Nuten versehenen Stator und eine Wicklung für eine elektrische Maschine

Publications (1)

Publication Number Publication Date
WO2004055957A1 true WO2004055957A1 (fr) 2004-07-01

Family

ID=32518949

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/013112 WO2004055957A1 (fr) 2002-12-13 2003-11-21 Moteur electrique comprenant un rotor et un stator dote de gorges, et enroulement destine a un moteur electrique

Country Status (3)

Country Link
AU (1) AU2003294719A1 (fr)
DE (1) DE10258456A1 (fr)
WO (1) WO2004055957A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018145807A1 (fr) 2017-02-07 2018-08-16 SciMo - Elektrische Hochleistungsantriebe GmbH Enroulement d'une machine électrique présentant un degré de remplissage plus élevé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6542835B2 (ja) 2017-05-30 2019-07-10 ファナック株式会社 固定子及び回転電機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56141741A (en) * 1980-04-03 1981-11-05 Mitsubishi Electric Corp Canned type electric rotary machine
EP0327338A2 (fr) * 1988-02-03 1989-08-09 Mitsubishi Denki Kabushiki Kaisha Générateur à courant alternatif de véhicule et procédé de fabrication
SU1690095A1 (ru) * 1988-06-15 1991-11-07 Всесоюзный Научно-Исследовательский Проектно-Конструкторский И Технологический Институт Взрывозащищенного И Рудничного Электрооборудования Электрическа машина
US5710475A (en) * 1995-11-22 1998-01-20 General Electric Company Insulation of high thermal conductivity and apparatus containing same
DE19718385A1 (de) * 1997-04-30 1998-11-05 Siemens Ag Beschichtung für Blechelemente von elektrischen Maschinen, insbesondere Statorblechen von Hochspannungsmaschinen
WO2001063727A1 (fr) * 2000-02-25 2001-08-30 Voith Siemens Hydro Power Generation Gmbh & Co. Kg Machine tournante electrique
DE10144653A1 (de) * 2001-09-11 2003-04-03 Ate Antriebstechnik Und Entwic Permanent erregte elektromechanische Maschine für den Betrieb in Flüssigkeiten und Gasen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56141741A (en) * 1980-04-03 1981-11-05 Mitsubishi Electric Corp Canned type electric rotary machine
EP0327338A2 (fr) * 1988-02-03 1989-08-09 Mitsubishi Denki Kabushiki Kaisha Générateur à courant alternatif de véhicule et procédé de fabrication
SU1690095A1 (ru) * 1988-06-15 1991-11-07 Всесоюзный Научно-Исследовательский Проектно-Конструкторский И Технологический Институт Взрывозащищенного И Рудничного Электрооборудования Электрическа машина
US5710475A (en) * 1995-11-22 1998-01-20 General Electric Company Insulation of high thermal conductivity and apparatus containing same
DE19718385A1 (de) * 1997-04-30 1998-11-05 Siemens Ag Beschichtung für Blechelemente von elektrischen Maschinen, insbesondere Statorblechen von Hochspannungsmaschinen
WO2001063727A1 (fr) * 2000-02-25 2001-08-30 Voith Siemens Hydro Power Generation Gmbh & Co. Kg Machine tournante electrique
DE10144653A1 (de) * 2001-09-11 2003-04-03 Ate Antriebstechnik Und Entwic Permanent erregte elektromechanische Maschine für den Betrieb in Flüssigkeiten und Gasen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section EI Week 199240, Derwent World Patents Index; Class V06, AN 1992-329267, XP002276506 *
PATENT ABSTRACTS OF JAPAN vol. 006, no. 021 (E - 093) 6 February 1982 (1982-02-06) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018145807A1 (fr) 2017-02-07 2018-08-16 SciMo - Elektrische Hochleistungsantriebe GmbH Enroulement d'une machine électrique présentant un degré de remplissage plus élevé

Also Published As

Publication number Publication date
AU2003294719A1 (en) 2004-07-09
DE10258456A1 (de) 2004-07-15

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