WO2019096687A1 - Ensemble enroulement - Google Patents

Ensemble enroulement Download PDF

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Publication number
WO2019096687A1
WO2019096687A1 PCT/EP2018/080756 EP2018080756W WO2019096687A1 WO 2019096687 A1 WO2019096687 A1 WO 2019096687A1 EP 2018080756 W EP2018080756 W EP 2018080756W WO 2019096687 A1 WO2019096687 A1 WO 2019096687A1
Authority
WO
WIPO (PCT)
Prior art keywords
winding
voltage winding
voltage
winding body
individual layers
Prior art date
Application number
PCT/EP2018/080756
Other languages
German (de)
English (en)
Inventor
Hans Jürgen Wagner
Jürgen Gangel
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2019096687A1 publication Critical patent/WO2019096687A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/071—Winding coils of special form

Definitions

  • the invention relates to a winding arrangement for a transformer, in particular for a transformer coil, comprising a low-voltage winding (NV winding) and an adjacently arranged high-voltage winding (HV winding).
  • NV winding low-voltage winding
  • HV winding high-voltage winding
  • the winding arrangement according to the invention can be used in various transformer types, in particular in
  • Layer windings are a cost-effective winding variant, which are usually used up to a resource voltage of Um ⁇ 52 kV. At a higher
  • Disk windings used in conjunction with cap rings to lower the high field strength produced at the winding ends.
  • Winding arrangement allows.
  • Claim 1 wherein the winding arrangement for a transformer, in particular for a transformer coil, comprising a low-voltage winding and an adjacent high-voltage winding is determined, wherein a high-voltage winding body is provided in layer winding, wherein the number of turns of the individual layers in the direction of the central longitudinal axis of the winding assembly radially arranged axis from the interior of the
  • High-voltage winding body decreases on both sides, so that the axial ends of the individual layers form a convex surface of the high-voltage winding body.
  • the interior of the high-voltage winding body may in this case be a layer which does not necessarily have to be located in the middle (in the half-width) of the high-voltage winding body, viewed in the direction of the radial axis.
  • an asymmetry of the curvature of the high voltage winding body is possible. It can be provided, for example, that that portion of the high-voltage winding body, which is the Low-voltage winding faces, a weaker
  • the decrease in the number of turns to form the rounding is to be understood that the number of turns per layer from the interior of the high-voltage winding body decreases on both sides outward in the direction of the axially disposed axis and thus the spatial extent of the individual layers
  • the side surfaces (which are formed by the outer layers) parallel to the central longitudinal axis continuously merge into the convex surface, which are formed by the ends of the individual layers. If all the layers had the same number of turns as in the prior art, a step would result in the transition from the side surfaces to the top or bottom of the high-voltage winding body.
  • High-voltage winding body decreases symmetrically on both sides. Due to the bilateral, symmetrical decrease of the
  • circumferential surface is generated a symmetrical rounding of the surface of the high voltage winding body. More specifically, the central and circumferential surface is arranged in the half width of the high voltage winding body. Half the width of the high-voltage winding body is here related to the spatial extent of the same in the direction of the radial axis.
  • the central peripheral surface will typically be a cylinder jacket concentric with the central longitudinal axis of the winding assembly.
  • High-voltage winding body will usually have approximately the shape of a hollow cylinder.
  • the insulation layers are formed in their axial length proportional to their adjacent layers to a convex rounding of the surface of the
  • the convex surface of the high voltage winding body does not fall below a minimum positive Gaussian curvature.
  • the surface of the high-voltage winding body at each point has a positive Gaussian curvature, in particular the surface a both to the central
  • the winding arrangement according to the invention is used in transformers with a resource voltage of Um> 72.5 kV, on the one hand easy to
  • the invention also includes a transformer with at least one winding arrangement according to the invention.
  • FIG. 1 shows a winding arrangement 1 according to the invention in longitudinal section, comprising a core leg 6 of a
  • Winding arrangement 1 are arranged rotationally symmetrical to a central longitudinal axis Ax.
  • the winding arrangement 1 comprises a low-voltage winding 2 and a
  • High-voltage winding body 3 which is composed of individual layers 5 of individual conductors and between the layers 5 arranged insulating layers 4.
  • the number of turns of the individual layers 5 increases in the direction of an axis Ay, which is arranged radially to the central longitudinal axis Ax of the winding arrangement 1, from the interior of the high-voltage winding body 3 from both sides.
  • a convex surface 7 of the high-voltage winding body 3 forms at the ends of the layers 5.
  • the curvature of the surface 7 may vary depending on
  • Voltage range can be selected specifically. It should be noted that the windings of the low-voltage winding 2 and the high-voltage winding body 3 and the
  • High-voltage winding body 3 is formed symmetrically to the illustrated upper end of the high-voltage winding body 3.
  • High-voltage winding body 3 go continuously into the convex surface 7.

Landscapes

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

Abstract

L'invention concerne un ensemble enroulement (1) pour un transformateur, en particulier pour une bobine de transformateur, comprenant un enroulement basse tension (2) et un enroulement haute tension adjacent, un corps d'enroulement haute tension (3) étant prévu en enroulement à couches, le nombre de spires des couches individuelles (5) diminuant des deux côtés dans la direction d'un axe (Ay) disposé radialement par rapport à l'axe longitudinal central (Ax) du dispositif d'enroulement (1) de l'intérieur du corps d'enroulement haute tension (3) de sorte que les extrémités axiales des couches individuelles (5) constituent une surface convexe (7) du corps d'enroulement haute tension (3).
PCT/EP2018/080756 2017-11-16 2018-11-09 Ensemble enroulement WO2019096687A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017220423.0A DE102017220423A1 (de) 2017-11-16 2017-11-16 Wicklungsanordnung
DE102017220423.0 2017-11-16

Publications (1)

Publication Number Publication Date
WO2019096687A1 true WO2019096687A1 (fr) 2019-05-23

Family

ID=64500326

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/080756 WO2019096687A1 (fr) 2017-11-16 2018-11-09 Ensemble enroulement

Country Status (2)

Country Link
DE (1) DE102017220423A1 (fr)
WO (1) WO2019096687A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE349356C (de) * 1919-07-01 1922-02-28 Siemens & Halske Akt Ges Hochspannungswicklung fuer Hochspannungstransformatoren, die als Lagenwicklung derart ausgebildet ist, dass die achsialen Laengen der durch isolierende Schichten voneinander getrennten Windungslagen nach aussen abgestuft sind
DE1209203B (de) * 1962-11-23 1966-01-20 Siemens Ag Lagenwicklung fuer elektrische Hochspannungs-geraete, insbesondere Spannungswandler
DE2457631A1 (de) * 1974-12-06 1976-06-10 Transformatoren Union Ag Hochspannungslagenwicklung mit rechteckigem oder trapezfoermigem querschnitt fuer transformatoren und dergleichen
WO2010102659A1 (fr) * 2009-03-09 2010-09-16 Siemens Transformers Austria Gmbh & Co Kg Dispositif d'enroulement pour un transformateur ou pour une bobine de réactance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205789436U (zh) * 2016-05-19 2016-12-07 武汉振源电气股份有限公司 一种干式变压器分段圆筒式高压线圈

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE349356C (de) * 1919-07-01 1922-02-28 Siemens & Halske Akt Ges Hochspannungswicklung fuer Hochspannungstransformatoren, die als Lagenwicklung derart ausgebildet ist, dass die achsialen Laengen der durch isolierende Schichten voneinander getrennten Windungslagen nach aussen abgestuft sind
DE1209203B (de) * 1962-11-23 1966-01-20 Siemens Ag Lagenwicklung fuer elektrische Hochspannungs-geraete, insbesondere Spannungswandler
DE2457631A1 (de) * 1974-12-06 1976-06-10 Transformatoren Union Ag Hochspannungslagenwicklung mit rechteckigem oder trapezfoermigem querschnitt fuer transformatoren und dergleichen
WO2010102659A1 (fr) * 2009-03-09 2010-09-16 Siemens Transformers Austria Gmbh & Co Kg Dispositif d'enroulement pour un transformateur ou pour une bobine de réactance

Also Published As

Publication number Publication date
DE102017220423A1 (de) 2019-05-16

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