DE934960C - Winding arrangement for transformers, inductors, etc. the like. large current - Google Patents

Winding arrangement for transformers, inductors, etc. the like. large current

Info

Publication number
DE934960C
DE934960C DEA6753D DEA0006753D DE934960C DE 934960 C DE934960 C DE 934960C DE A6753 D DEA6753 D DE A6753D DE A0006753 D DEA0006753 D DE A0006753D DE 934960 C DE934960 C DE 934960C
Authority
DE
Germany
Prior art keywords
winding
coil
parallel conductors
coils
transformers
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.)
Expired
Application number
DEA6753D
Other languages
German (de)
Inventor
Wilhelm Koechling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
AEG AG
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 AEG AG filed Critical AEG AG
Priority to DEA6753D priority Critical patent/DE934960C/en
Application granted granted Critical
Publication of DE934960C publication Critical patent/DE934960C/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2871Pancake coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)

Description

Für Transformatoren großer Stromstärke werden gewöhnlich für die den hohen Strom führende Wicklung Scheibenspulen verwendet. Mit Rücksicht auf Stromverdrängung und Zusatzverluste ist es notwendig, den Drahtquerschnitt in parallele Leiter zu unterteilen und die. parallelen Leiter untereinander so zu verdrillen, daß sie alle gleiche Wicklungslängen erhalten. Solche Wicklungen sind z. B. die bekannten Wendelwicklungen mit mehreren übereinanderliegenden und an gewissen Stellen verdrillten Drähten, die verstürzte Wicklung mit mehreren Paralleldrähten und die gruppenweise parallel geschaltete Scheibenspulenwicklung. Die Wendelwicklungen haben nur einen beschränkten Anwendungsbereich, da Windungszahl und axiale Wicklungslänge in einem bestimmten Verhältnis stehen müssen und das Verdrillen gewisse Schwierigkeiten beim Wickeln verursacht. Aus einzelnen Scheibenspulen mit parallelen Drähten bestehende Wicklungen zeigen bei mehr als zwei parallelen Drähten eine ungünstige Verdrillung und die gruppenweise parallel geschalteten Spulen bedürfen vieler Ableitungen und Lötstellen.Large amperage transformers are usually used for the Used high current carrying winding disc coils. With regard to current displacement and additional losses it is necessary to convert the wire cross-section into parallel conductors subdivide and the. twist parallel conductors so that they all get the same winding lengths. Such windings are e.g. B. the known helical windings with several wires lying on top of one another and twisted at certain points, the overturned winding with several parallel wires and the parallel in groups switched disc coil winding. The helical windings have only a limited one Area of application, since number of turns and axial winding length in a certain Must be in proportion and twisting certain difficulties in winding caused. Windings made up of individual disc coils with parallel wires show an unfavorable twist with more than two parallel wires and the Coils connected in parallel in groups require many leads and soldering points.

Diese Nachteile werden beim Erfindungsgegenstand dadurch vermieden, daß jede Spule nur den Bruchteil einer Windung erhält und die parallelen Leiter gleichmäßig verteilt schuppenartig übereinander angeordnet werden. In radialer Richtung liegt immer nur ein Teil der parallelen Leiter übereinander. Da schon in jeder Spule jeder parallele Leiter die Spule gleichmäßig von unten bis oben durchläuft, ist jeder Leiter dem Streufluß in gleicher Weise ausgesetzt und die einzelnen parallelen Leiter erhalten stets die gleiche Länge. Es wird also so jede Stromverdrängung verhindert. Diese Wicklung kann fortlaufend gewickelt werden, indem jede zweite Spule in bekannter Weise verstürzt gewickelt wird, und man erhält so eine gut verdrillte Wicklung, deren Zusatzverluste ein Minimum betragen. Gegen Stoßspannungen ist diese Wicklungsanordnung infolge der engen kapazitiven Kopplung der parallelen Leiter im Gegensatz zur gruppenweisen Parallelschaltung der Spulen besonders sicher. Die Betriebs- und stoßmäßige Beanspruchung benachbarter Spulen ist ein Minimum.These disadvantages are avoided in the subject matter of the invention by that each coil only receives a fraction of a turn and the parallel conductors evenly distributed like scales are arranged one above the other. In the radial direction only a part of the parallel conductors lies one on top of the other. There already in every spool every parallel conductor runs evenly through the coil from top to bottom every conductor exposed to the leakage flux in the same way and the individual parallel ones Ladders are always the same length. So it prevents any current displacement. This winding can be continuously wound by every other coil in a known manner Is wound upside down in a way that results in a well-twisted winding, whose additional losses are a minimum. This winding arrangement is resistant to surge voltages due to the close capacitive coupling of the parallel conductors in contrast to the group-wise Particularly safe parallel connection of the coils. The operational and shock loads adjacent coils is a minimum.

Nachstehend wird die Erfindung an Hand eines in der Zeichnung dargestellten Ausführungsbeispiels noch näher beschrieben.The invention is illustrated below with reference to one in the drawing Embodiment described in more detail.

Fig. i zeigt eine Transformatorspule, bei der der Drahtquerschnitt z. B. in zwölf parallele Leiter i bis 2i unterteilt ist, deren Anfänge gleichmäßig über den inneren Spulenumfang verteilt sind. Jeder Leiter besitzt nur etwa die Länge von einem Drittel des mittleren Spulenumfanges und stellt so nur eine drittel Windung dar. Die Herstellung der Wicklung wird am besten an Hand der Fig. 2, in der eine Ansicht der Wicklung senkrecht zur Spulenachse gezeigt ist, erläutert. Die erforderliche Zahl der parallelen Drähte, z. B. zwölf, wird auf den Umfang des Wickelzylinders gleichmäßig verteilt und dann die erste Spule hochgewickelt. Es liegen dann in der Spule vier Drähte übereinander, wie aus Fig. z ersichtlich ist. Die nächste Spule wird nach entsprechendem Kröpfen sämtlicher am äußeren Umfang verteilter Drähte von außen nach innen, d. h. verstürzt gewickelt. Die dritte Spule wieder-nach Kröpfung am inneren Umfang von innen nach außen. In Fig. 2 sind z. B. die Spulen 6, 8 und io normal und die Spulen 7 und 8 verstürzt gewickelt. Je drei Spulen, z. B. 6 bis 8, stellen eine Windung dar. Da alle Leiter in den Spulen in gleicher Weise abwechselnd von innen nach außen und von außen nach innen laufen, sind die mittleren Windungslängen aller Leiter gleich, wodurch auch die Streuspannung aller Leiter gleich ist, was zu einer starken Verringerung der Zusatzverluste führt. Am Anfang und Ende der Wicklung werden die abgekröpften Leiterenden 12 zu geschlitzten Sammelringen 13 geführt, wodurch ein guter Abschluß der Wicklung und eine gute Anschlußmöglichkeit für die Ableitungen erreicht wird.Fig. I shows a transformer coil in which the wire cross-section z. B. is divided into twelve parallel conductors i to 2i, the beginnings of which are evenly distributed over the inner circumference of the coil. Each conductor is only about a third of the average coil circumference and thus only represents a third turn. The manufacture of the winding is best explained with reference to FIG. 2, which shows a view of the winding perpendicular to the coil axis. The required number of parallel wires, e.g. B. twelve, is evenly distributed over the circumference of the winding cylinder and then wound up the first coil. There are then four wires on top of each other in the coil, as can be seen in FIG. The next coil is wound from the outside to the inside, that is to say turned upside down, after all the wires distributed on the outer circumference have been appropriately crimped. The third coil again-after cranking on the inner circumference from the inside to the outside. In Fig. 2, for. B. the coils 6, 8 and io normal and the coils 7 and 8 wound upside down. Three coils each, e.g. B. 6 to 8, represent one turn. Since all conductors in the coils alternately run from the inside to the outside and from the outside to the inside, the mean turn lengths of all conductors are the same, which means that the stray voltage of all conductors is the same, which leads to a strong reduction in additional losses. At the beginning and end of the winding, the bent conductor ends 12 are led to slotted collecting rings 13 , whereby a good termination of the winding and a good connection for the leads is achieved.

Claims (3)

PATENTANSPRÜCHE: i. Wicklungsanordnung für Transformatoren, Drosselspulen u. dgl. großer Stromstärke, bestehend aus einzelnen Scheibenspulen mit mehreren .parallelen Leitern, dadurch gekennzeichnet, daß jede Spule nur den Bruchteil einer Windung der parallelen Leiter enthält und diese schuppenartig übereinanderliegend derart angeordnet sind, daß die radiale Höhe jeder Spule geringer ist, als sich aus der Gesamtzahl der parallelen Leiter ergeben würde. PATENT CLAIMS: i. Winding arrangement for transformers, reactors and the like. Large amperage, consisting of individual disc coils with several .Parallel conductors, characterized in that each coil is only a fraction of one Contains turn of the parallel conductors and these overlap like scales are arranged such that the radial height of each coil is less than itself would result from the total number of parallel conductors. 2. Anordnung nach Anspruch i, dadurch gekennzeichnet, daß die Wicklung verstürzt gewickelt wird.. 2. Arrangement according to claim i, characterized in that the winding is wound upside down .. 3. Anordnung nach Anspruch i und 2, dadurch gekennzeichnet, daß die Zahl der zwecks Erzielung eines Kühlkanals zwischen den Spulen angeordneten Abstützstellen gleich oder ein Vielfaches der parallelen Leiter ist. q.. Anordnung nach Anspruch i bis 3, dadurch gekennzeichnet, daß die am Umfang verteilten Anfänge und Enden der Wicklung an geschlitzte Sammelringe geführt sind. Angezogene Druckschriften: Britische Patentschrift Nr. 279 967.3. Arrangement according to claim i and 2, characterized in that the number of support points arranged between the coils in order to achieve a cooling channel is equal to or a multiple of the parallel conductors. q .. Arrangement according to claim i to 3, characterized in that the beginnings and ends of the winding distributed on the circumference are guided to slotted collecting rings. Energized publications: British Patent No. 279,967..
DEA6753D 1943-01-24 1943-01-24 Winding arrangement for transformers, inductors, etc. the like. large current Expired DE934960C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA6753D DE934960C (en) 1943-01-24 1943-01-24 Winding arrangement for transformers, inductors, etc. the like. large current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA6753D DE934960C (en) 1943-01-24 1943-01-24 Winding arrangement for transformers, inductors, etc. the like. large current

Publications (1)

Publication Number Publication Date
DE934960C true DE934960C (en) 1955-11-10

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DEA6753D Expired DE934960C (en) 1943-01-24 1943-01-24 Winding arrangement for transformers, inductors, etc. the like. large current

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018983B (en) * 1955-12-09 1957-11-07 Licentia Gmbh Winding for transformers, inductors or the like.
DE1114920B (en) * 1958-07-17 1961-10-12 Licentia Gmbh Short-circuit proof multi-layer cylinder winding with a large pitch
DE1141376B (en) * 1958-05-27 1962-12-20 Westinghouse Electric Corp Winding arrangement built up from disc coils for transformers, inductors, etc. like
DE1263170B (en) * 1964-01-13 1968-03-14 Westinghouse Electric Corp Pulse transformer for data processing systems
DE2732181A1 (en) * 1977-07-15 1979-01-25 Proizv Ob Uralelektrotjaschmas Transformer core winder producing coil groups - winds turns in cyclic symmetric pattern to reduce radial dimension

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279967A (en) * 1926-08-18 1927-11-10 Aeg Improvements in or relating to windings for transformers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279967A (en) * 1926-08-18 1927-11-10 Aeg Improvements in or relating to windings for transformers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018983B (en) * 1955-12-09 1957-11-07 Licentia Gmbh Winding for transformers, inductors or the like.
DE1141376B (en) * 1958-05-27 1962-12-20 Westinghouse Electric Corp Winding arrangement built up from disc coils for transformers, inductors, etc. like
DE1114920B (en) * 1958-07-17 1961-10-12 Licentia Gmbh Short-circuit proof multi-layer cylinder winding with a large pitch
DE1263170B (en) * 1964-01-13 1968-03-14 Westinghouse Electric Corp Pulse transformer for data processing systems
DE2732181A1 (en) * 1977-07-15 1979-01-25 Proizv Ob Uralelektrotjaschmas Transformer core winder producing coil groups - winds turns in cyclic symmetric pattern to reduce radial dimension

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