CH391071A - Laminated stator bodies for electrical machines, in particular turbo generators - Google Patents
Laminated stator bodies for electrical machines, in particular turbo generatorsInfo
- Publication number
- CH391071A CH391071A CH251562A CH251562A CH391071A CH 391071 A CH391071 A CH 391071A CH 251562 A CH251562 A CH 251562A CH 251562 A CH251562 A CH 251562A CH 391071 A CH391071 A CH 391071A
- Authority
- CH
- Switzerland
- Prior art keywords
- sheet metal
- stator
- laminated
- laminated stator
- electrical machines
- Prior art date
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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
Ständerblechkörper für elektrische Maschinen, insbesondere Turbogeneratoren Im Zusammenhang mit der Fabrikation von elek trischen Maschinen, insbesondere grossen Turbogene ratoren, ist vor allem die Herstellung des Ständer blechkörpers eine zeitraubende Arbeit, da nach den herkömmlichen Methoden die Blecherei ausschliess lich als Handarbeit durchgeführt wird. Bis jetzt bestehen diese Blechkörper meistens aus durch am Umfang gegeneinander versetzte Einzelblechlagen, wobei die einzelnen Blechsegmente von Hand in das Maschinengehäuse eingebracht werden müssen.
Um eine wirtschaftliche Bauweise des Ständer blechkörpers zu erreichen, ist es bereits vorgeschla gen, die Blechlamellen vor dem Einbau in das Ständergehäuse zu geschlossenen Blechpaketringen mit begrenzter Axiallänge zusammenzusetzen und diese vorfabrizierten Blechpaketringe in das Ständer- gebäuse einzusetzen.
Mit dieser Bauweise wird ledig lich bezüglich der Festigkeit des Ständerblechkörpers ein gewisser Vorteil erreicht, aber die Herstellung der Blechpaketringe muss infolge der Versetzung der einzelnen Blechlagen in der Umfangsrichtung des Ständers von Hand erfolgen, so dass der Zeitaufwand für das Blechen des Ständers nicht wesentlich ver mindert wird;.
Der Zweck der Erfindung ist nunmehr, einen Ständerblechkörper für elektrische Maschinen, ins besondere Turbogeneratoren, zu schaffen, der bezüg lich seiner Herstellungszeit einen sehr wesentlichen Fortschritt mit sich bringt und von arbeitstechni schem Standpunkt aus betrachtet ausserordentlich vorteilhaft ist.
Die Erfindung geht von der Erkenntnis aus, dass die bis jetzt als erforderlich betrachtete gegenseitige Versetzung der Blechlagen ohne weiteres verlassen werden kann. Gemäss der Erfindung ist daher der Ständerblechkörper dadurch gekennzeichnet, dass die ser aus zu einem Hohlzylinder zusammengebauten Blechsäulen segmentförmigen Querschnittes besteht, die eine der Axiällänge des Ständers entsprechende Länge aufweisen und aus geschichteten, miteinander verbundenen Blechsegmenten gebildet sind.
Ferner bezieht sich die Erfindung auf ein Ver fahren zur Herstellung des erfindungsgemässen Stän- derblechkörpers. Gemäss diesem Verfahren werden die den Ständerblechkörper bildenden Blechsegmente zu einzelnen Blechsäulen geschichtet und mit einem Bindemittel zusammengehalten, worauf die vorfabri zierten Blechsäulen in das Ständergehäuse zu einem Hohlzylinder zusammengebaut und mechanisch unter Druck festgehalten werden.
Anhand der Zeichnung ist .ein Ausführungsbei spiel der Erfindung näher erläutert, und zwar zeigt die Figur einen Ständerblechkörper in perspektivi scher Darstellung.
Der Blechkörper des Ständers besteht im vor liegenden Falle aus acht Blechsäulen 1, die eine der Axiallänge des Ständereisens entsprechende Länge aufweisen und zu einem Hohlzylinder zusam mengebaut werden. Diese Blechsäulen 1 werden aus Blechsegmenten vor dem Einbau hergestellt. Die einzelnen Blechsegmente werden in einer Paketier- maschine maschinell geschichtet und unter Anwen dung eines Klebelackes bei entsprechendem Druck und nachträglichem Aushärten zu kompakten Säulen geformt. Für den ,Zusammenbau dieser vorfabrizier ten Blechsäulen sind Zentrierkeile 2 vorgesehen.
Durch die Zugstangen 3, die mit je einem End ring 4 fest verbunden sind, und die Schrumpfringe 5 wird der mittels der Blechsäulen 1 gebildete Hoch zylinder mit dem erforderlichen Druck verspannt.
Der beschriebene Ständerblechkörper wird nach seiner Fertigstellung in das nicht dargestellte Ge häuse des Ständers eingebaut. Die einzelnen Blech körper 1 können auch direkt in das Ständergehäuse eingebaut und durch diesen unter Druck gehalten werden, so dass in diesem Falle die Schrumpfringe 5 und Zugstangen 3 wegfallen. Ferner ist es auch zweckmässig, bei sehr grossen Maschinen mit ent sprechend langen Ständerblechkörpern die Blech säulen 1 radial zu unterteilen, so dass jede Blechsäule aus zwei oder mehr Teilsäulen besteht. Falls er wünscht, kann beim maschinellen Schichten der Säu lenbleche ein Schrägblechen erfolgen.
Mit dem beschriebenen Ständerblechkörper, der vorwiegend auf maschinelle Weise hergestellt werden kann, ergibt sich gegenüber den bisherigen Ständer blechkörpern eine sehr grosse Verkürzung der Her stellungszeit mit einer entsprechenden Verminderung der Herstellungskosten.
Ausserdem ergibt sich noch der sehr wesentliche Vorteil, dass bei grossen Turbo generatoren, wo mit der zunehmenden Grösse das Transportproblem immer schwieriger wird, die Mög lichkeit besteht, das leere Ständergehäuse und das vorfabrizierte Ständerblechpaket getrennt zum Auf- stellungsort zu transportieren und erst dort zusam menzubauen.
Laminated stator bodies for electrical machines, especially turbo generators In connection with the manufacture of electrical machines, especially large turbo generators, the manufacture of the laminated stator body is a time-consuming job, since sheet metal processing is done exclusively by hand using conventional methods. Until now, these sheet metal bodies have mostly consisted of individual sheet metal layers offset from one another on the circumference, with the individual sheet metal segments having to be inserted into the machine housing by hand.
In order to achieve an economical construction of the stator sheet metal body, it has already been proposed to assemble the sheet metal lamellas into closed laminated core rings with a limited axial length before installing them in the stator housing and to use these prefabricated sheet metal core rings in the stator housing.
With this construction, a certain advantage is achieved with regard to the strength of the laminated stator body, but the production of the laminated core rings has to be done by hand due to the offset of the individual sheet metal layers in the circumferential direction of the stator, so that the time required for sheet metal of the stator is not significantly reduced becomes;.
The purpose of the invention is now to create a laminated stator body for electrical machines, in particular turbo-generators, which brings with it a very substantial advance in terms of its manufacturing time and which is extremely advantageous from a technical point of view.
The invention is based on the knowledge that the mutual offset of the sheet metal layers, which has been considered necessary up to now, can be left without further ado. According to the invention, therefore, the laminated stator body is characterized in that it consists of segmented sheet metal columns assembled to form a hollow cylinder, which have a length corresponding to the axial length of the stator and are formed from layered, interconnected sheet metal segments.
The invention also relates to a method for producing the laminated stator body according to the invention. According to this method, the sheet metal segments forming the stator core are layered into individual sheet metal columns and held together with a binding agent, whereupon the pre-fabricated sheet metal columns are assembled in the stator housing to form a hollow cylinder and held mechanically under pressure.
Based on the drawing .ein Ausführungsbei game of the invention is explained in more detail, namely the figure shows a laminated stator body in a perspective view.
The sheet metal body of the stator consists in the present case of eight sheet metal columns 1, which have a length corresponding to the axial length of the stator iron and are built together to form a hollow cylinder. These sheet metal columns 1 are made from sheet metal segments before installation. The individual sheet metal segments are layered by machine in a stacking machine and formed into compact columns using an adhesive varnish with the appropriate pressure and subsequent curing. Centering wedges 2 are provided for the assembly of these pre-fabricated sheet metal columns.
Through the tie rods 3, which are each firmly connected to an end ring 4, and the shrink rings 5, the high cylinder formed by means of the sheet metal columns 1 is braced with the required pressure.
The laminated stator body described is installed after its completion in the housing of the stand, not shown Ge. The individual sheet metal bodies 1 can also be installed directly in the stator housing and kept under pressure by this, so that in this case the shrink rings 5 and tie rods 3 are omitted. Furthermore, it is also useful for very large machines with correspondingly long sheet metal stator bodies to divide the sheet metal columns 1 radially so that each sheet metal column consists of two or more partial columns. If he wishes, inclined sheets can be used for machine layering of the column sheets.
With the laminated stator body described, which can be mainly produced by machine, there is a very large reduction in the production time compared to the previous stator laminated bodies with a corresponding reduction in production costs.
There is also the very important advantage that with large turbo generators, where the transport problem becomes more and more difficult with increasing size, it is possible to transport the empty stator housing and the prefabricated stator core separately to the installation site and only assemble them there .
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH251562A CH391071A (en) | 1962-03-01 | 1962-03-01 | Laminated stator bodies for electrical machines, in particular turbo generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH251562A CH391071A (en) | 1962-03-01 | 1962-03-01 | Laminated stator bodies for electrical machines, in particular turbo generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH391071A true CH391071A (en) | 1965-04-30 |
Family
ID=4235512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH251562A CH391071A (en) | 1962-03-01 | 1962-03-01 | Laminated stator bodies for electrical machines, in particular turbo generators |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH391071A (en) |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2361767A1 (en) * | 1976-08-11 | 1978-03-10 | Gen Electric | PROCESS FOR MAKING A STATORIC CORE AND STATORIC CORE THUS OBTAINED |
| WO1994009546A1 (en) * | 1992-10-09 | 1994-04-28 | Wolfgang Hill | Process for producing a multi-phase machine with non-salient poles |
| WO1999019969A1 (en) * | 1997-10-13 | 1999-04-22 | Abb Ab | A stator and a method for manufacturing a stator |
| US6261437B1 (en) | 1996-11-04 | 2001-07-17 | Asea Brown Boveri Ab | Anode, process for anodizing, anodized wire and electric device comprising such anodized wire |
| US6279850B1 (en) | 1996-11-04 | 2001-08-28 | Abb Ab | Cable forerunner |
| US6357688B1 (en) | 1997-02-03 | 2002-03-19 | Abb Ab | Coiling device |
| US6369470B1 (en) | 1996-11-04 | 2002-04-09 | Abb Ab | Axial cooling of a rotor |
| US6376775B1 (en) | 1996-05-29 | 2002-04-23 | Abb Ab | Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor |
| US6396187B1 (en) | 1996-11-04 | 2002-05-28 | Asea Brown Boveri Ab | Laminated magnetic core for electric machines |
| US6417456B1 (en) | 1996-05-29 | 2002-07-09 | Abb Ab | Insulated conductor for high-voltage windings and a method of manufacturing the same |
| US6429563B1 (en) | 1997-02-03 | 2002-08-06 | Abb Ab | Mounting device for rotating electric machines |
| US6439497B1 (en) | 1997-02-03 | 2002-08-27 | Abb Ab | Method and device for mounting a winding |
| US6465979B1 (en) | 1997-02-03 | 2002-10-15 | Abb Ab | Series compensation of electric alternating current machines |
| WO2002071575A3 (en) * | 2001-03-02 | 2002-12-12 | Matsushita Electric Industrial Co Ltd | Motor with divided stator having bonded laminations |
| US6525504B1 (en) | 1997-11-28 | 2003-02-25 | Abb Ab | Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine |
| US6525265B1 (en) | 1997-11-28 | 2003-02-25 | Asea Brown Boveri Ab | High voltage power cable termination |
| US6577487B2 (en) | 1996-05-29 | 2003-06-10 | Asea Brown Boveri Ab | Reduction of harmonics in AC machines |
| US6646363B2 (en) | 1997-02-03 | 2003-11-11 | Abb Ab | Rotating electric machine with coil supports |
| US6801421B1 (en) | 1998-09-29 | 2004-10-05 | Abb Ab | Switchable flux control for high power static electromagnetic devices |
| US6822363B2 (en) | 1996-05-29 | 2004-11-23 | Abb Ab | Electromagnetic device |
| US6825585B1 (en) | 1997-02-03 | 2004-11-30 | Abb Ab | End plate |
| US6828701B1 (en) | 1997-02-03 | 2004-12-07 | Asea Brown Boveri Ab | Synchronous machine with power and voltage control |
| US6831388B1 (en) | 1996-05-29 | 2004-12-14 | Abb Ab | Synchronous compensator plant |
| US6867674B1 (en) | 1997-11-28 | 2005-03-15 | Asea Brown Boveri Ab | Transformer |
| US6873080B1 (en) | 1997-09-30 | 2005-03-29 | Abb Ab | Synchronous compensator plant |
| US6885273B2 (en) | 2000-03-30 | 2005-04-26 | Abb Ab | Induction devices with distributed air gaps |
| US6891303B2 (en) | 1996-05-29 | 2005-05-10 | Abb Ab | High voltage AC machine winding with grounded neutral circuit |
| US6970063B1 (en) | 1997-02-03 | 2005-11-29 | Abb Ab | Power transformer/inductor |
| US6972505B1 (en) | 1996-05-29 | 2005-12-06 | Abb | Rotating electrical machine having high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing the same |
| US6995646B1 (en) | 1997-02-03 | 2006-02-07 | Abb Ab | Transformer with voltage regulating means |
| US7019429B1 (en) | 1997-11-27 | 2006-03-28 | Asea Brown Boveri Ab | Method of applying a tube member in a stator slot in a rotating electrical machine |
| US7045704B2 (en) | 2000-04-28 | 2006-05-16 | Abb Ab | Stationary induction machine and a cable therefor |
| US7046492B2 (en) | 1997-02-03 | 2006-05-16 | Abb Ab | Power transformer/inductor |
| US7061133B1 (en) | 1997-11-28 | 2006-06-13 | Abb Ab | Wind power plant |
| US7141908B2 (en) | 2000-03-01 | 2006-11-28 | Abb Ab | Rotating electrical machine |
-
1962
- 1962-03-01 CH CH251562A patent/CH391071A/en unknown
Cited By (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2361767A1 (en) * | 1976-08-11 | 1978-03-10 | Gen Electric | PROCESS FOR MAKING A STATORIC CORE AND STATORIC CORE THUS OBTAINED |
| WO1994009546A1 (en) * | 1992-10-09 | 1994-04-28 | Wolfgang Hill | Process for producing a multi-phase machine with non-salient poles |
| US6577487B2 (en) | 1996-05-29 | 2003-06-10 | Asea Brown Boveri Ab | Reduction of harmonics in AC machines |
| US6831388B1 (en) | 1996-05-29 | 2004-12-14 | Abb Ab | Synchronous compensator plant |
| US6822363B2 (en) | 1996-05-29 | 2004-11-23 | Abb Ab | Electromagnetic device |
| US6940380B1 (en) | 1996-05-29 | 2005-09-06 | Abb Ab | Transformer/reactor |
| US6894416B1 (en) | 1996-05-29 | 2005-05-17 | Abb Ab | Hydro-generator plant |
| US6376775B1 (en) | 1996-05-29 | 2002-04-23 | Abb Ab | Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor |
| US6891303B2 (en) | 1996-05-29 | 2005-05-10 | Abb Ab | High voltage AC machine winding with grounded neutral circuit |
| US6417456B1 (en) | 1996-05-29 | 2002-07-09 | Abb Ab | Insulated conductor for high-voltage windings and a method of manufacturing the same |
| US6972505B1 (en) | 1996-05-29 | 2005-12-06 | Abb | Rotating electrical machine having high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing the same |
| US6936947B1 (en) | 1996-05-29 | 2005-08-30 | Abb Ab | Turbo generator plant with a high voltage electric generator |
| US6919664B2 (en) | 1996-05-29 | 2005-07-19 | Abb Ab | High voltage plants with electric motors |
| US6906447B2 (en) | 1996-05-29 | 2005-06-14 | Abb Ab | Rotating asynchronous converter and a generator device |
| US6279850B1 (en) | 1996-11-04 | 2001-08-28 | Abb Ab | Cable forerunner |
| US6396187B1 (en) | 1996-11-04 | 2002-05-28 | Asea Brown Boveri Ab | Laminated magnetic core for electric machines |
| US6369470B1 (en) | 1996-11-04 | 2002-04-09 | Abb Ab | Axial cooling of a rotor |
| US6261437B1 (en) | 1996-11-04 | 2001-07-17 | Asea Brown Boveri Ab | Anode, process for anodizing, anodized wire and electric device comprising such anodized wire |
| US6429563B1 (en) | 1997-02-03 | 2002-08-06 | Abb Ab | Mounting device for rotating electric machines |
| US6995646B1 (en) | 1997-02-03 | 2006-02-07 | Abb Ab | Transformer with voltage regulating means |
| US6825585B1 (en) | 1997-02-03 | 2004-11-30 | Abb Ab | End plate |
| US6828701B1 (en) | 1997-02-03 | 2004-12-07 | Asea Brown Boveri Ab | Synchronous machine with power and voltage control |
| US6646363B2 (en) | 1997-02-03 | 2003-11-11 | Abb Ab | Rotating electric machine with coil supports |
| US7046492B2 (en) | 1997-02-03 | 2006-05-16 | Abb Ab | Power transformer/inductor |
| US6970063B1 (en) | 1997-02-03 | 2005-11-29 | Abb Ab | Power transformer/inductor |
| US6357688B1 (en) | 1997-02-03 | 2002-03-19 | Abb Ab | Coiling device |
| US6439497B1 (en) | 1997-02-03 | 2002-08-27 | Abb Ab | Method and device for mounting a winding |
| US6465979B1 (en) | 1997-02-03 | 2002-10-15 | Abb Ab | Series compensation of electric alternating current machines |
| US6873080B1 (en) | 1997-09-30 | 2005-03-29 | Abb Ab | Synchronous compensator plant |
| WO1999019969A1 (en) * | 1997-10-13 | 1999-04-22 | Abb Ab | A stator and a method for manufacturing a stator |
| US7019429B1 (en) | 1997-11-27 | 2006-03-28 | Asea Brown Boveri Ab | Method of applying a tube member in a stator slot in a rotating electrical machine |
| US6867674B1 (en) | 1997-11-28 | 2005-03-15 | Asea Brown Boveri Ab | Transformer |
| US6525504B1 (en) | 1997-11-28 | 2003-02-25 | Abb Ab | Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine |
| US6525265B1 (en) | 1997-11-28 | 2003-02-25 | Asea Brown Boveri Ab | High voltage power cable termination |
| US7061133B1 (en) | 1997-11-28 | 2006-06-13 | Abb Ab | Wind power plant |
| US6801421B1 (en) | 1998-09-29 | 2004-10-05 | Abb Ab | Switchable flux control for high power static electromagnetic devices |
| US7141908B2 (en) | 2000-03-01 | 2006-11-28 | Abb Ab | Rotating electrical machine |
| US6885273B2 (en) | 2000-03-30 | 2005-04-26 | Abb Ab | Induction devices with distributed air gaps |
| US7045704B2 (en) | 2000-04-28 | 2006-05-16 | Abb Ab | Stationary induction machine and a cable therefor |
| US7026741B2 (en) | 2001-03-02 | 2006-04-11 | Matsushita Electric Industrial Co., Ltd. | Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor |
| US7126248B2 (en) | 2001-03-02 | 2006-10-24 | Matsushita Electric Industrial Co., Ltd. | Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor |
| WO2002071575A3 (en) * | 2001-03-02 | 2002-12-12 | Matsushita Electric Industrial Co Ltd | Motor with divided stator having bonded laminations |
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