DE750646C - Tap transformer - Google Patents

Tap transformer

Info

Publication number
DE750646C
DE750646C DE1935750646D DE750646DD DE750646C DE 750646 C DE750646 C DE 750646C DE 1935750646 D DE1935750646 D DE 1935750646D DE 750646D D DE750646D D DE 750646DD DE 750646 C DE750646 C DE 750646C
Authority
DE
Germany
Prior art keywords
winding
unregulated
voltage
switching
voltage winding
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
DE1935750646D
Other languages
German (de)
Inventor
Rudolf Kuechler
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 filed Critical
Application granted granted Critical
Publication of DE750646C publication Critical patent/DE750646C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/025Constructional details of transformers or reactors with tapping on coil or windings

Landscapes

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

Description

Anzapftransformator Gegenstand des Hauptpatents ist *ein Allzapftransfornlator mit konzentrischen Wicklungen auf der Hochspannungsseite, bei dein die zwischen den - Anzapfungen liegenden .Wicklungsteile als besondere, über die ganze Wicklungslänge `-erlaufende Schaltspule ausgebildet sind. Sein besonderes Kennzeichen besteht darin, daß der nicht geregelte Wicklun"-steil (Stammwicklung) aus mehreren in Reihe geschalteten Wicklungsröhren bestellt und daß die Schaltspule gegen den nicht geregelten Wicklungsteil nur für die Spannung einer benachbarten @@'iclclungsröhre dieses Wicklungsteiles isoliert ist. Dabei kann die Schaltspule all beliebiger Stelle der Stammwicklung vorgesehen @vera:n. Würde man nun bei Drehstromausführung und großem Regelbereich die Schaltspule der HE: cllvoltwicklung am Nullpunkt in unmittelbarer 1;acbbarscbäft der Niedervoltwicklung anordnen, so erhielte man beim Schalten infolge des sich verändernden Streukanals eine sehr starke Änderung der Kurzschlußspannung. Gemäß der Erfindung werden nun bei einem Drehstrotntranstormator die Schaltspulen so gelegt, daß in allen drei Phasen wenigstens eine Wicklungsröhre des nicht geregelten Wicklungsteils der Hochspannungswicklung in unmittelbarer Nälre der -Niederspannungswicklung liegt, darauf die Schaltspule und anschließend die übrigen., nicht geregelten Wicklungsteile der Hochspannungswicklung folgen. Auf diese Weise bleibt die hurzschlußspannung praktisch unverändert. Auch bleibt stets die kapazitive Wirkung der dem Streukanal benachbarten Wicklungsröhre g C genül)er der Niedervoltwicklun- erhalten, womit ein erheblicher Schutz gegen Merspannungen verbunden ist. Schließlich braucht man -auch die in Frage konlrnenden Regelschalter nicht für eitle hohe Spannung zu isolieren, was geschehen iilül;lte, wenn die Schaltspulen von den an den -Nullpunkt angeschlossenen Wicklungsröhren weit entfernt wären. In der Abbildung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es ist r die Begrenzungslinie eines Schenkels des Transformators. Jenen umgibt zunächst die \Tieder-oltwiel;lung 2, alsdann folgen die Wicklungslagen der @ochspannungsüickluag, und zwar zunächst die Lage 3 der Stammwicklung dann die Schaltspule ; und ini Ansc daran die übrigen, nicht geregelten langsteile d., 3 und t?. 'Mittels d°s Regle . werden die Wicklungsteile der Schaltspule die als mehrgängige Schraube ausgeführt ist, ;,u- oder abgeschaltet, wodurch sich die: Span- nung an den ILleinmen 1- und ir ändert. Die Spule 3 verbleibt dabei stets in, Str.,inl;reis. Tapped transformer The subject of the main patent is * an all-tapped transformer with concentric windings on the high-voltage side, in which the winding parts between the taps are designed as a special switching coil running over the entire length of the winding. Its special characteristic is that the unregulated winding part (main winding) consists of several winding tubes connected in series and that the switching coil is isolated from the unregulated winding part only for the voltage of an adjacent winding tube of this winding part The switching coil is provided at any point in the main winding @vera: n. If one were to arrange the switching coil of the HE: voltage winding at the zero point in the immediate 1; acbbarscbäft of the low-voltage winding with a three-phase current version and a large control range, one would get a very when switching due to the changing scatter channel According to the invention, the switching coils of a three-phase transformer are placed so that in all three phases at least one winding tube of the non-regulated winding part of the high-voltage winding is in the immediate vicinity of the low-voltage winding, and the switching coil on top and then the remaining., unregulated winding parts of the high-voltage winding follow. In this way, the short-circuit voltage remains practically unchanged. Also, the capacitive effect of the winding tube adjacent to the scattering channel is always retained, which is associated with considerable protection against excessive voltages. After all, there is no need to isolate the control switches in question from vain high voltage, which would happen if the switching coils were far away from the winding tubes connected to the zero point. In the figure, an embodiment of the invention is shown. It is r the boundary line of one leg of the transformer. This is first surrounded by the \ Tieder-oltwiel; lung 2, then the winding layers follow the @ ochspannungsüickluag, and although initially the layer 3 of the trunk winding then the switching coil; and ini Ansc on it the rest, not regulated langsteile d., 3 and t ?. 'By means of the rule. become the winding parts of the switching coil which is designed as a multi-start screw, ;, u- or switched off, whereby the: voltage on the IL lines 1- and ir changes. the Coil 3 always remains in, Str., Inl; rice.

Claims (1)

PATENTANSPRUCH: Anzapftransforniator nach Patent 718671 in Drelistromausführung, da-
durch gekentizeielinet, daß in allen drei Phasen wenigstens eine Wicklungsröhre des nicht geregelten Zi`id;ltingsteils der Hochspannungswicklung in unmittelbarer Mhe der 1Tiederspannungstvicklung liegt, rlai-3tif dic Sclialtsprl.e un_1 anschließend die übrigen, nicht geregelten Wicklungs- teile der I-Iocli:panntingswirl;ltui" folgen.
C@ F Zur Abgrenzung des Anmeldungsgegen- standes vom Stand der Technik sind im Er- teilungsverfahren folgende Druckschriften in Betracht gezogen worden: det,tsclie Patentschriften .... \r.3-IG t2;, 398 933, 408 03.1, -4-11 e21 Zeitschrift ASEA--Journal Nov./Dez. 1024, S. t i; bis r io, insbesondere Fig. '? auf @ . i 18.
PATENT CLAIM: Tapping transformer according to patent 718671 in three-phase design, there-
by gekentizeielinet that in all three Phases at least one winding tube of the unregulated zi`id; part of the High voltage winding in the immediate vicinity Before the 1 low voltage winding is located, rlai-3tif dic Sclialtsprl.e un_1 subsequently the remaining, unregulated winding parts of the I-Iocli: panntingswirl; ltui "follow.
C @ F To delimit the registration object state of the art are being developed the following publications in Considered: det, tsclie patents .... \ r.3-IG t2 ;, 39 8 933, 408 03.1, -4-11 e2 1 ASEA journal Nov./Dec. 1024, S. ti; to r io, especially Fig. '? on @. i 18.
DE1935750646D 1935-02-01 1935-02-01 Tap transformer Expired DE750646C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE750646T 1935-02-01

Publications (1)

Publication Number Publication Date
DE750646C true DE750646C (en) 1945-01-20

Family

ID=6650590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1935750646D Expired DE750646C (en) 1935-02-01 1935-02-01 Tap transformer

Country Status (1)

Country Link
DE (1) DE750646C (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE346127C (en) * 1919-10-11 1921-12-27 Siemens & Halske Akt Ges High voltage transformer for the operation of X-ray tubes with auxiliary cathode
DE398935C (en) * 1922-11-24 1924-07-26 Bbc Brown Boveri & Cie Winding arrangement for high voltage transformers with multiple concentric high voltage cylinder winding and conductive protective rings for the ends of the winding cylinder
DE408054C (en) * 1925-01-08 Aeg Multiple concentric winding for transformers
DE441821C (en) * 1924-11-21 1927-03-12 Aeg Multiple concentric winding for transformers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE408054C (en) * 1925-01-08 Aeg Multiple concentric winding for transformers
DE346127C (en) * 1919-10-11 1921-12-27 Siemens & Halske Akt Ges High voltage transformer for the operation of X-ray tubes with auxiliary cathode
DE398935C (en) * 1922-11-24 1924-07-26 Bbc Brown Boveri & Cie Winding arrangement for high voltage transformers with multiple concentric high voltage cylinder winding and conductive protective rings for the ends of the winding cylinder
DE441821C (en) * 1924-11-21 1927-03-12 Aeg Multiple concentric winding for transformers

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