AT338915B - STAND FOR ELECTRIC MACHINERY - Google Patents

STAND FOR ELECTRIC MACHINERY

Info

Publication number
AT338915B
AT338915B AT120275A AT120275A AT338915B AT 338915 B AT338915 B AT 338915B AT 120275 A AT120275 A AT 120275A AT 120275 A AT120275 A AT 120275A AT 338915 B AT338915 B AT 338915B
Authority
AT
Austria
Prior art keywords
pressure
stand
slot
stator
fingers
Prior art date
Application number
AT120275A
Other languages
German (de)
Other versions
ATA120275A (en
Original Assignee
Dukshtau Alexandr Antonovich
Prutkovsky Samuil Alexandrovic
Detinko Felix Moiseevich
Golubentsev Jury Sergeevich
Lurie Alexandr Nesanelevich
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 Dukshtau Alexandr Antonovich, Prutkovsky Samuil Alexandrovic, Detinko Felix Moiseevich, Golubentsev Jury Sergeevich, Lurie Alexandr Nesanelevich filed Critical Dukshtau Alexandr Antonovich
Priority to AT120275A priority Critical patent/AT338915B/en
Priority to FR7509166A priority patent/FR2305879A1/en
Publication of ATA120275A publication Critical patent/ATA120275A/en
Application granted granted Critical
Publication of AT338915B publication Critical patent/AT338915B/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/42Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/16Stator cores with slots for windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



   Die Erfindung bezieht sich auf Ständer für elektrische Maschinen, mit einem aus Blechen geschichteten Kern, der mittels zweier, je an einer Ständerstirnseite angeordneter Druckplatten aus magnetisierbarem Stahl zusammengehalten ist, die mit in Achsrichtung offenen, im wesentlichen radial verlaufenden Nuten und mit in diesen befestigten Druckfingern aus unmagnetisierbarem Stahl versehen sind. 



   Ziel der Erfindung ist ein Ständer dieses Aufbaues, bei dem die zu der Ständerstirnseite senkrechte Abmessung der aus jeweils einer Druckplatte und den an ihr befestigten Druckfingern bestehenden Einheiten die 
 EMI1.1 
 herstellbar sind. 



   Zur Erreichung dieses Zieles sind erfindungsgemäss die Nuten als durchgehende Schlitze ausgebildet und die in je einen Schlitz eingesetzten, stabförmigen Druckfinger an die Druckplatte im Bereich des Schlitzes angeschweisst. Die Herstellung von Schlitzen ist einfacher als die von Nuten, bei welchen darauf geachtet werden muss, dass sämtliche Nutensohlen in einer gemeinsamen Ebene liegen. Bei Druckplatten mit Schlitzen und in 
 EMI1.2 
 manchen Maschinen um 100 bis 120 mm ; was zu einer merklichen Verringerung des Kupfergewichtes und der Kupferverluste führt, die nicht mit Nachteilen verbunden ist. 



   Die Erfindung ist im folgenden an Hand einer beispielsweisen Ausführungsform näher erläutert, die in den Zeichnungen veranschaulicht ist. In den Zeichnungen zeigt Fig. 1 einen Teil eines erfindungsgemässen Ständers in 
 EMI1.3 
 Druckeinrichtungen sind die Ständerbleche aneinandergepresst. Diese Druckeinrichtungen, die an den beiden Stirnseiten des Ständers angeordnet sind, bestehen je aus einer   Druckplatte --5-- und   aus an dieser befestigten Druckfingern--6--. In den aus üblichem magnetisierbarem Stahl hergestellten Druckplatten sind in bezug auf die Ständerachse radiale   Schlitze --7-- ausgebildet,   und in jedem Schlitz ist ein   Druckfinger --6-- aus   unmagnetisierbarem Stahl eingesetzt. Platten und Finger sind im Bereich des Schlitzes miteinander verschweisst. 



  An den beiden Ständerstirnseiten einander gegenüberliegender Druckplatten sind mittels Gewindestangen--8-und   Muttern--9--zusammengespannt.   In den Druckplatten sind ferner Gewindebohrungen vorgesehen, in die   Justierschrauben --9-- eingeschraubt   sind. Diese gegen einen festen Teil des Ständer-oder Maschinengestelles abstützbaren Schrauben ermöglichen eine Ausrichtung der Druckplatten gegenüber dem Kern. 



   Die einzelnen Druckfinger sind in denselben Abständen ausgeteilt wie die Zähne des Kernes, von welchen 
 EMI1.4 
 und untereinander gleichen Druckfinger dient unmagnetisierbarer Flachstahl, der einfach zerschnitten wird. Die üblichen Toleranzen und die Oberflächenbeschaffenheit der stabförmigen Abschnitte erlauben deren Verwendung als Druckfinger ohne irgendwelche Bearbeitung. Auch die saubere Durchführung der notwendigen Schweissverbindungen stösst auf keine Schwierigkeiten. Von dem Abstand der Druckplatten von dem zusammengepressten Eisenkern hängt die Erwärmung der Platten ab. Dieser Abstand ist davon bestimmt, wie weit die Schmalseiten der hochkant gestellten Druckfingerstäbe über die Plattenseite vorstehen, die dem Kern 
 EMI1.5 
 schmal sein können, so dass der Verbrauch von teurem unmagnetisierbarem Stahl weitestgehend herabgesetzt ist. 



   Aus diesem Grund und vor allem wegen des geringen Arbeitsaufwandes bei ihrer Herstellung erweisen sich erfindungsgemässe Ständer als sehr wirtschaftlich. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



   The invention relates to stator for electrical machines, with a core layered from sheet metal, which is held together by means of two pressure plates made of magnetizable steel, each arranged on a stator end face, with essentially radial grooves that are open in the axial direction and with pressure fingers fastened in them are made of non-magnetizable steel.



   The aim of the invention is a stand of this structure, in which the dimension perpendicular to the stand face of the units consisting of a pressure plate and the pressure fingers attached to it
 EMI1.1
 can be produced.



   To achieve this goal, according to the invention, the grooves are designed as continuous slots and the rod-shaped pressure fingers inserted into each slot are welded to the pressure plate in the area of the slot. The production of slots is easier than that of grooves, in which it must be ensured that all the groove bottoms are in a common plane. For printing plates with slots and in
 EMI1.2
 some machines by 100 to 120 mm; which leads to a noticeable reduction in the copper weight and the copper losses, which are not associated with disadvantages.



   The invention is explained in more detail below using an exemplary embodiment which is illustrated in the drawings. In the drawings, FIG. 1 shows part of a stand according to the invention in FIG
 EMI1.3
 The stator plates are pressed together with pressure devices. These pressure devices, which are arranged on the two end faces of the stand, each consist of a pressure plate --5-- and pressure fingers - 6-- attached to it. In the pressure plates made of conventional magnetizable steel, radial slots --7-- are formed in relation to the stator axis, and a pressure finger --6-- made of non-magnetizable steel is inserted in each slot. The plates and fingers are welded together in the area of the slot.



  On the two stand end faces of opposite pressure plates are clamped together by means of threaded rods - 8 - and nuts - 9. There are also threaded holes in the pressure plates, into which adjusting screws --9-- are screwed. These screws, which can be supported against a fixed part of the stand or machine frame, enable the pressure plates to be aligned with respect to the core.



   The individual pressure fingers are distributed at the same intervals as the teeth of the core, from which
 EMI1.4
 and the same pressure finger is used for non-magnetizable flat steel that is simply cut up. The usual tolerances and the surface properties of the rod-shaped sections allow them to be used as pressure fingers without any processing. Even the clean execution of the necessary welded connections does not encounter any difficulties. The heating of the plates depends on the distance between the pressure plates and the pressed iron core. This distance is determined by how far the narrow sides of the pressure finger rods placed on edge protrude beyond the side of the plate, which is the core
 EMI1.5
 can be narrow, so that the consumption of expensive, non-magnetizable steel is largely reduced.



   For this reason, and above all because of the low amount of work involved in their manufacture, stands according to the invention have proven to be very economical.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

PATENTANSPRUCH : Ständer für elektrische Maschinen, mit einem aus Blechen geschichteten Kern, der mittels zweier, je an einer Ständerstirnseite angeordneter Druckplatten aus magnetisierbarem Stahl zusammengehalten ist, die mit in Achsrichtung offenen, im wesentlichen radial verlaufenden Nuten und mit in diesen befestigten Druckfingern aus EMI1.6 Schlitze (7) ausgebildet und die je in einen Schlitz eingesetzten, stabförmigen Druckfinger (6) an die Druckplatte (5) im Bereich des Schlitzes angeschweisst sind. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Stator for electrical machines, with a core layered from sheet metal, which is held together by means of two pressure plates made of magnetizable steel, each arranged on a stator end face, with essentially radial grooves that are open in the axial direction and with pressure fingers fastened in these EMI1.6 Slits (7) are formed and the rod-shaped pressure fingers (6) inserted into a slot are welded to the pressure plate (5) in the region of the slot. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT120275A 1975-02-18 1975-02-18 STAND FOR ELECTRIC MACHINERY AT338915B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT120275A AT338915B (en) 1975-02-18 1975-02-18 STAND FOR ELECTRIC MACHINERY
FR7509166A FR2305879A1 (en) 1975-02-18 1975-03-24 Stator with end plate and finger assembly of reduced height - has nonmagnetic steel pressure fingers located in grooves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT120275A AT338915B (en) 1975-02-18 1975-02-18 STAND FOR ELECTRIC MACHINERY
FR7509166A FR2305879A1 (en) 1975-02-18 1975-03-24 Stator with end plate and finger assembly of reduced height - has nonmagnetic steel pressure fingers located in grooves

Publications (2)

Publication Number Publication Date
ATA120275A ATA120275A (en) 1977-01-15
AT338915B true AT338915B (en) 1977-09-26

Family

ID=34827836

Family Applications (1)

Application Number Title Priority Date Filing Date
AT120275A AT338915B (en) 1975-02-18 1975-02-18 STAND FOR ELECTRIC MACHINERY

Country Status (2)

Country Link
AT (1) AT338915B (en)
FR (1) FR2305879A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513450A1 (en) * 1981-09-24 1983-03-25 Alsthom Atlantique FULLY MAGNETIC CIRCUIT STATOR WITH CLAMPING FINGERS FOR A ROTATING DYNAMOELECTRIC MACHINE, IN PARTICULAR OF A BULB IMMERING TYPE
SE9602079D0 (en) 1996-05-29 1996-05-29 Asea Brown Boveri Rotating electric machines with magnetic circuit for high voltage and a method for manufacturing the same
UA44857C2 (en) 1996-05-29 2002-03-15 Абб Аб ELECTROMAGNETIC DEVICE (option), high-voltage electric power SET, power grid, method of controlling the electric field in the electromagnetic DEVICES, a method of manufacturing a magnetic circuit for electrical machines rotating CABLE FOR DEVICES FORMATION in electromagnetic winding generating a magnetic field
AU718707B2 (en) 1996-05-29 2000-04-20 Abb Ab Insulated conductor for high-voltage windings and a method of manufacturing the same
WO1997045937A1 (en) * 1996-05-29 1997-12-04 Asea Brown Boveri Ab A device in the stator of a rotating electric machine
SE510192C2 (en) 1996-05-29 1999-04-26 Asea Brown Boveri Procedure and switching arrangements to reduce problems with three-tier currents that may occur in alternator and motor operation of AC machines connected to three-phase distribution or transmission networks
ATE250817T1 (en) 1996-05-29 2003-10-15 Abb Ab CONDUCTOR FOR HIGH VOLTAGE WINDINGS AND ROTATING ELECTRICAL MACHINE HAVING SUCH A CONDUCTOR
SE509072C2 (en) 1996-11-04 1998-11-30 Asea Brown Boveri Anode, anodizing process, anodized wire and use of such wire in an electrical device
SE515843C2 (en) 1996-11-04 2001-10-15 Abb Ab Axial cooling of rotor
SE512917C2 (en) 1996-11-04 2000-06-05 Abb Ab Method, apparatus and cable guide for winding an electric machine
SE510422C2 (en) 1996-11-04 1999-05-25 Asea Brown Boveri Magnetic sheet metal core for electric machines
SE9704423D0 (en) 1997-02-03 1997-11-28 Asea Brown Boveri Rotary electric machine with flushing support
SE508544C2 (en) 1997-02-03 1998-10-12 Asea Brown Boveri Method and apparatus for mounting a stator winding consisting of a cable.
SE9704421D0 (en) 1997-02-03 1997-11-28 Asea Brown Boveri Series compensation of electric alternator
SE9704427D0 (en) 1997-02-03 1997-11-28 Asea Brown Boveri Fastening device for electric rotary machines
SE9704431D0 (en) 1997-02-03 1997-11-28 Asea Brown Boveri Power control of synchronous machine
SE508543C2 (en) 1997-02-03 1998-10-12 Asea Brown Boveri Coiling
SE9704422D0 (en) 1997-02-03 1997-11-28 Asea Brown Boveri End plate
BR9815420A (en) 1997-11-28 2001-07-17 Abb Ab Method and device for controlling the magnetic flux with an auxiliary winding on a rotating high voltage alternating current machine
GB2331867A (en) 1997-11-28 1999-06-02 Asea Brown Boveri Power cable termination
US6801421B1 (en) 1998-09-29 2004-10-05 Abb Ab Switchable flux control for high power static electromagnetic devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE315881C (en) *
GB240971A (en) * 1924-08-07 1925-10-15 Jan Arthur Kuyser Improvements relating to dynamo-electric machines

Also Published As

Publication number Publication date
ATA120275A (en) 1977-01-15
FR2305879A1 (en) 1976-10-22
FR2305879B1 (en) 1978-02-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties