DE102009037987A1 - Rotating electric machine, particularly double-fed asynchronous machine in certain performance range, has rotor which rotates about axis and is concentrically surrounded by stator - Google Patents
Rotating electric machine, particularly double-fed asynchronous machine in certain performance range, has rotor which rotates about axis and is concentrically surrounded by stator Download PDFInfo
- Publication number
- DE102009037987A1 DE102009037987A1 DE102009037987A DE102009037987A DE102009037987A1 DE 102009037987 A1 DE102009037987 A1 DE 102009037987A1 DE 102009037987 A DE102009037987 A DE 102009037987A DE 102009037987 A DE102009037987 A DE 102009037987A DE 102009037987 A1 DE102009037987 A1 DE 102009037987A1
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- Germany
- Prior art keywords
- pressure plate
- rotor
- electric machine
- machine according
- rotary electric
- 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.)
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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
- H02K1/26—Rotor cores with slots for windings
Abstract
Description
TECHNISCHES GEBIETTECHNICAL AREA
Die vorliegende Erfindung bezieht sich auf das Gebiet der Erzeugung elektrischer Energie Sie betrifft eine rotierende elektrische Maschine, insbesondere doppelt gespeiste Asynchronmaschine in einem Leistungsbereich zwischen 20 MVA und 500 MVA oder darüber, gemäss dem Oberbegriff des Anspruchs 1.The The present invention relates to the field of production electrical energy It concerns a rotating electrical machine, in particular double-fed asynchronous machine in a power range between 20 MVA and 500 MVA or above, according to the preamble of claim 1.
STAND DER TECHNIKSTATE OF THE ART
Doppelt
gespeiste Asynchronmaschinen im Leistungsbereich von 20 MVA bis
500 MVA oder darüber können zur drehzahlvariablen
Energieproduktion eingesetzt werden. Diese Maschinen zeichnen sich
durch eine verteilte Dreiphasenwicklung auf dem Rotor aus. Die Rotorwicklung
besteht aus einzelnen Stäben, welche im Rotorblechpaket
in Nuten eingebettet sind. Im Wickelkopf werden die einzelnen Stäbe
zu einer Wicklung verschaltet. Die Einspeisung der Ströme
erfolgt über mindestens drei Schleifringe, welche am Ende
der Maschine an der Welle befestigt sind. Ein Ausschnitt aus einer
solchen Maschine ist in
Da
die Rotoren von doppelt gespeisten Asynchronmaschinen eine Rotorwicklung
Verschiedene
Ansprüche werden an den Rotorblechkörper
DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION
Es ist daher Aufgabe der Erfindung, eine elektrische Maschine der eingangs genannten Art so zu verbessern, dass die unterschiedlichen Anforderungen an die Verspannung des Rotorblechkörpers in den unterschiedlichen Bereichen erheblich besser erfüllt werden können.It is therefore an object of the invention to provide an electric machine of the beginning mentioned type to improve the different requirements to the tension of the rotor plate body in the different Areas can be met much better.
Die Aufgabe wird durch die Gesamtheit der Merkmale des Anspruchs 1 gelöst. Wichtig für die erfindungsgemässe Lösung ist, dass die Pressplatte entsprechend der radialen Unterteilung des Rotorblechkörpers radial unterteilt ist in eine separate innere Pressplatte und eine separate äussere Pressplatte. Durch die Auftrennung der Pressplatte entsprechend den unterschiedlichen Bereichen des Rotorblechkörpers können die auf den Rotorblechkörper wirkenden Kräfte getrennt optimiert werden.The The object is solved by the totality of the features of claim 1. Important for the inventive solution is that the press plate according to the radial subdivision of the rotor body is radially divided into a separate inner press plate and a separate outer press plate. By separating the press plate according to the different Areas of the rotor body can on the forces acting on the rotor body are separated be optimized.
Eine erste Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die innere und äussere Pressplatte miteinander lösbar verbunden sind. Hierdurch können die an der äusseren Pressplatte angreifenden Zentrifugalkräfte wirksam aufgefangen werden.A First embodiment of the invention is characterized in that the inner and outer pressure plate releasable together are connected. This allows the on the outside Pressing plate attacking centrifugal forces are effectively absorbed.
Eine andere Ausgestaltung zeichnet sich dadurch aus, dass die innere und äussere Pressplatte derart aneinander grenzen und miteinander verbunden sind, dass die äussere Pressplatte gegenüber der inneren Pressplatte gekippt werden kann.A another embodiment is characterized in that the inner and outer pressure plate adjacent to each other and with each other are connected, that the outer pressure plate opposite the inner pressure plate can be tilted.
Insbesondere ist es dabei von Vorteil, wenn die äussere Pressplatte entlang dem Umfang in einzelne gleichartige Umfangsteile unterteilt ist, wenn die Umfangsteile der äusseren Pressplatte jeweils mit einer geraden Kippkante an die innere Pressplatte angrenzen, und wenn die Umfangsteile der äusseren Pressplatte jeweils in die innere Pressplatte eingehängt sind.Especially It is advantageous if the outer pressure plate divided along the circumference into individual similar peripheral parts is when the peripheral parts of the outer pressure plate each with a straight tilting edge adjacent to the inner pressure plate, and if the peripheral parts of the outer pressure plate respectively are hung in the inner pressure plate.
Vorzugsweise können die Umfangsteile der äusseren Pressplatte jeweils mittels Hammerklauen in die innere Pressplatte eingehängt sein.Preferably, the peripheral parts of the outer pressing plate be mounted in each case by means of hammer claws in the inner pressure plate.
Eine weitere Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die innere Pressplatte erste Löcher aufweist, durch welche erste Bolzen zum Verpressen des Rotorblechkörpers im mechanischen Bereich hindurchreichen, und dass die äussere Pressplatte zweite Löcher aufweist, durch welche zweite Bolzen zum Verpressen des Rotorblechkörpers im elektrischen Bereich hindurchreichen.A further embodiment of the invention is characterized in that that the inner pressure plate has first holes through which first pin for pressing the rotor body in the mechanical area, and that the outer one Press plate has second holes through which second Bolt for pressing the rotor body in electrical Pass through the area.
Dabei ist es von Vorteil, wenn die ersten Bolzen als Scherbolzen und die zweiten Bolzen als Zugbolzen ausgebildet sind.there it is advantageous if the first bolts as shear pins and the second bolts are designed as tension bolts.
KURZE ERLÄUTERUNG DER FIGURENBRIEF EXPLANATION OF THE FIGURES
Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigenThe Invention will be described below with reference to embodiments explained in more detail in connection with the drawing become. Show it
WEGE ZUR AUSFÜHRUNG DER ERFINDUNGWAYS TO EXECUTE THE INVENTION
Wie bereits eingangs erwähnt, soll einerseits in den Zähnen genügend axialer Druck zwischen den Schichten der Bleche bestehen, um die Homogenität des Körpers zu garantieren. Um Vibrationen zu vermeiden, dürfen sich die Schichten nicht lockern, da Relativbewegungen zwischen den Zähnen und der Rotorwicklung die Isolation beschädigen könnten. Andererseits darf der Druck nicht zu hoch sein, um Schaden an den Isolationsschichten zwischen den einzelnen Blechen zu vermeiden, da solche Schäden zu erhöhten Verlusten führen würden. Im mechanischen Bereich des Rims soll der axiale Druck höher sein als im elektrischen Teil, um eine gewisse Reibkraft zwischen den Blechen zu erhalten.As already mentioned above, on the one hand in the teeth sufficient axial pressure between the layers of the sheets to guarantee the homogeneity of the body. To avoid vibration, the layers are allowed to Do not loosen, because relative movements between the teeth and the rotor winding could damage the insulation. on the other hand The pressure must not be too high to damage the insulation layers between the individual sheets to avoid, since such damage too would lead to increased losses. in the mechanical area of the rim axial pressure should be higher as in the electrical part, to have a certain frictional force between the To obtain sheets.
Diese
sich widersprechenden Anforderungen an den elektrischen und mechanischen
Teil des Statorblechkörpers
Die
innere Pressplatte
Die äussere
Pressplatte
Um
ein gezieltes Kippen der äusseren Pressplatte
Um
den gewünschten axialen Druck im Rotorblechkörper
Anstelle
von durchgängigen Zugbolzen
Die
Scherbolzen
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Asynchronmaschineasynchronous
- 1111
- Zentralkörper (mit Welle)central body (with wave)
- 1212
- Schleifringslip ring
- 1313
- Achseaxis
- 1414
- RotorblechkörperRotor core body
- 14a14a
- elektrischer Bereichelectrical Area
- 14b14b
- mechanischer Bereichmechanical Area
- 1515
- Statorblechkörperlaminated stator
- 1616
- RotorwickelkopfRotor winding
- 1717
- Statorwickelkopfstator coil
- 1818
- Rotorwicklungrotor winding
- 1919
- Pressplattepress plate
- 2020
- HilfsrimHilfsrim
- 2121
- Zugbolzentension bolt
- 2222
- Scherbolzenshear pin
- 2323
- innere Pressplatteinner press plate
- 2424
- äussere Pressplatteouter press plate
- 24a–d24a-d
- Umfangsteilperipheral part
- 25, 2725 27
- Lochhole
- 2626
- Hammerklauehammer claw
- 2828
- Zahntooth
- 2929
- Kippkantetilting edge
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 19513457 A1 [0003] DE 19513457 A1 [0003]
- - DE 102007000668 A1 [0003] DE 102007000668 A1 [0003]
Claims (9)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009037987A DE102009037987A1 (en) | 2009-08-20 | 2009-08-20 | Rotating electric machine, particularly double-fed asynchronous machine in certain performance range, has rotor which rotates about axis and is concentrically surrounded by stator |
BRPI1014875A BRPI1014875B1 (en) | 2009-04-24 | 2010-04-16 | rotary electric motor, especially double feed asynchronous motor, in the performance range between 20 mva and more than 500 mva |
PT107142721T PT2422427E (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-feed asynchronous machine in the power range between 20mva and over 500mva |
CN201080017516.7A CN102405581B (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-fed asynchronous machine in the performance range between 20 mva and more than 500 mva |
EP10714272.1A EP2422427B1 (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-feed asynchronous machine in the power range between 20mva and over 500mva |
KR1020117025015A KR101598381B1 (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-fed asynchronous machine in the performance range between 20 mva and more than 500 mva |
SI201031065T SI2422427T1 (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-feed asynchronous machine in the power range between 20mva and over 500mva |
CA2759270A CA2759270C (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-fed asynchronous machine in the performance range between 20 mva and more than 500 mva |
PCT/EP2010/055055 WO2010121970A1 (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-fed asynchronous machine in the performance range between 20 mva and more than 500 mva |
RU2011147709/07A RU2539569C2 (en) | 2009-04-24 | 2010-04-16 | Rotating electrical machine, namely asynchronous machine of double-way feed, which is intended for operation in power range of 20 mva to 500 mva and higher |
ES10714272.1T ES2553633T3 (en) | 2009-04-24 | 2010-04-16 | Rotary electric machine, especially double-fed asynchronous machine in the power range between 20 MVA and more than 500 MVA |
US13/275,416 US8569923B2 (en) | 2009-04-24 | 2011-10-18 | Rotating electric machine with interlocking inner and outer press plates |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009037987A DE102009037987A1 (en) | 2009-08-20 | 2009-08-20 | Rotating electric machine, particularly double-fed asynchronous machine in certain performance range, has rotor which rotates about axis and is concentrically surrounded by stator |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009037987A1 true DE102009037987A1 (en) | 2011-02-24 |
Family
ID=43495406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102009037987A Withdrawn DE102009037987A1 (en) | 2009-04-24 | 2009-08-20 | Rotating electric machine, particularly double-fed asynchronous machine in certain performance range, has rotor which rotates about axis and is concentrically surrounded by stator |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102009037987A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2519219A (en) * | 1947-08-21 | 1950-08-15 | Westinghouse Electric Corp | Rotor construction for induction motors |
DE1178143B (en) * | 1961-02-15 | 1964-09-17 | Oerlikon Maschf | Press plate segments for sheet metal stacks of electrical machines |
US5068564A (en) * | 1990-10-29 | 1991-11-26 | General Electric Company | End retainer ring assembly for rotary electrical devices |
US5473213A (en) * | 1993-04-06 | 1995-12-05 | Sundstrand Corporation | Sew through eciter armature with integral banding rings |
DE19513457A1 (en) | 1995-04-08 | 1996-10-10 | Abb Management Ag | Rotor of an electrical machine |
DE102007000668A1 (en) | 2007-11-08 | 2009-05-14 | Alstom Technology Ltd. | Rotor for electric machine i.e. hydrogenerator, has winding head retained against centrifugal forces arising by retaining device, which comprises set of radial bolts, where radial bolts have heads that are rigidly fixed to shaft |
-
2009
- 2009-08-20 DE DE102009037987A patent/DE102009037987A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2519219A (en) * | 1947-08-21 | 1950-08-15 | Westinghouse Electric Corp | Rotor construction for induction motors |
DE1178143B (en) * | 1961-02-15 | 1964-09-17 | Oerlikon Maschf | Press plate segments for sheet metal stacks of electrical machines |
US5068564A (en) * | 1990-10-29 | 1991-11-26 | General Electric Company | End retainer ring assembly for rotary electrical devices |
US5473213A (en) * | 1993-04-06 | 1995-12-05 | Sundstrand Corporation | Sew through eciter armature with integral banding rings |
DE19513457A1 (en) | 1995-04-08 | 1996-10-10 | Abb Management Ag | Rotor of an electrical machine |
DE102007000668A1 (en) | 2007-11-08 | 2009-05-14 | Alstom Technology Ltd. | Rotor for electric machine i.e. hydrogenerator, has winding head retained against centrifugal forces arising by retaining device, which comprises set of radial bolts, where radial bolts have heads that are rigidly fixed to shaft |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
R081 | Change of applicant/patentee |
Owner name: ALSTOM RENEWABLE TECHNOLOGIES, FR Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH Effective date: 20111006 Owner name: ALSTOM HYDRO FRANCE, FR Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH Effective date: 20111006 |
|
R082 | Change of representative |
Representative=s name: DREISS PATENTANWAELTE PARTNERSCHAFT, DE Effective date: 20111006 Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE Effective date: 20111006 Representative=s name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE Effective date: 20111006 |
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R012 | Request for examination validly filed |
Effective date: 20130625 |
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R082 | Change of representative |
Representative=s name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE |
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R081 | Change of applicant/patentee |
Owner name: ALSTOM RENEWABLE TECHNOLOGIES, FR Free format text: FORMER OWNER: ALSTOM HYDRO FRANCE, LEVALLOIS-PERRET, FR Effective date: 20131125 |
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R082 | Change of representative |
Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE Effective date: 20131212 Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE Effective date: 20131125 Representative=s name: DREISS PATENTANWAELTE PARTNERSCHAFT, DE Effective date: 20131125 Representative=s name: DREISS PATENTANWAELTE PARTNERSCHAFT, DE Effective date: 20131212 |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20150303 |