WO2017126078A1 - Réactance - Google Patents

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Publication number
WO2017126078A1
WO2017126078A1 PCT/JP2016/051693 JP2016051693W WO2017126078A1 WO 2017126078 A1 WO2017126078 A1 WO 2017126078A1 JP 2016051693 W JP2016051693 W JP 2016051693W WO 2017126078 A1 WO2017126078 A1 WO 2017126078A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylindrical winding
cylindrical
winding
windings
layer
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.)
Ceased
Application number
PCT/JP2016/051693
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English (en)
Japanese (ja)
Inventor
賢伸 北川
孝丸 横幕
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2016/051693 priority Critical patent/WO2017126078A1/fr
Priority to JP2016546109A priority patent/JPWO2017126078A1/ja
Publication of WO2017126078A1 publication Critical patent/WO2017126078A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00

Definitions

  • the present invention relates to a reactor.
  • the reactor constituted by a plurality of cylindrical windings connected in parallel, the length of the strands constituting each of the plurality of cylindrical windings, and the area inside each of the plurality of cylindrical windings, Due to being different from each other, a difference occurs in the impedance of each of the plurality of cylindrical windings. As a result, current does not flow uniformly in each of the plurality of cylindrical windings, and variation occurs in the distribution of magnetic flux density. When the distribution of the magnetic flux density varies, a large loss occurs locally, and the cylindrical winding becomes locally hot at the location where the loss occurs.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 3-67414 is a prior art document that discloses a winding structure of a static induction machine.
  • a dislocation is performed by switching the inner diameter side and the outer diameter side of a conducting wire constituting a cylindrical winding, and both ends of the conducting wire are connected in parallel. ing.
  • Patent Document 1 discloses a structure in which a conducting wire is displaced in one cylindrical winding, or a structure in which a conducting wire is displaced in an inner winding and an outer winding that are adjacent to each other in the radial direction. There is no description or suggestion of a reactor consisting of a cylindrical winding.
  • the present invention has been made in view of the above-mentioned problems, and in a reactor constituted by a plurality of cylindrical windings, it is possible to reduce losses and generate local high temperature portions in the cylindrical windings. It aims at providing the reactor which can be suppressed.
  • a first multiple cylindrical winding in which n-layer (n ⁇ 2) first cylindrical windings are arranged concentrically and a second cylindrical winding in n-layer (n ⁇ 2) are concentric. And a second multi-cylindrical winding that is coaxially located adjacent to the first multi-cylindrical winding.
  • n-layer first cylindrical windings and each of the n-layer second cylindrical windings are connected to each other by wiring so as to correspond one-to-one.
  • the second cylindrical winding located at n) is connected to each other by wiring.
  • a plurality of cylindrical winding connecting bodies each composed of a first cylindrical winding and a second cylindrical winding connected to each other are connected in parallel.
  • the reactor constituted by a plurality of cylindrical windings, it is possible to reduce the loss and prevent the cylindrical windings from being locally heated.
  • FIG. 3 is a cross-sectional view of the reactor of FIG. 1 as viewed from the direction of arrows III-III. It is a perspective view which shows the structure of the reactor which concerns on Embodiment 2 of this invention. It is sectional drawing which shows the connection structure of the V section of FIG.
  • FIG. 1 is a perspective view showing a configuration of a reactor according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view showing the connection structure of II part of FIG.
  • FIG. 3 is a cross-sectional view of the reactor of FIG. 1 as viewed from the direction of arrows III-III.
  • connection conductors to be described later are not shown.
  • a reactor 100 according to Embodiment 1 of the present invention includes a first multi-cylinder winding 110 and a second multi-cylinder positioned adjacent to and coaxially with the first multi-cylinder winding 110. Winding 120 is provided.
  • first cylindrical winding 110 In the first multiple cylindrical winding 110, n-layer (n ⁇ 2) first cylindrical windings are arranged concentrically.
  • the first multiple cylindrical winding 110 includes three layers of first cylindrical windings 111 to 113, but the number of layers of the first cylindrical winding included in the first multiple cylindrical winding 110 is as follows. The number of layers is not limited to three but may be two or more.
  • n-layer (n ⁇ 2) second cylindrical windings are arranged concentrically.
  • the second multiple cylindrical winding 120 includes three layers of second cylindrical windings 121 to 123.
  • the number of layers of the second cylindrical winding included in the second multiple cylindrical winding 120 is as follows. The number of layers is not limited to three but may be two or more.
  • the length of the first multiple cylindrical winding 110 is equal to the length of the second multiple cylindrical winding 120.
  • Each of the first cylindrical windings 111 to 113 and the second cylindrical windings 121 to 123 is configured by winding a wire.
  • the element wire has a structure in which the periphery of the copper wire is covered with insulating paper such as kraft paper.
  • connection conductor 141 One end of each of the first cylindrical windings 111 to 113 is connected to the connection conductor 141.
  • connection conductor 142 The other end of each of the second cylindrical windings 121 to 123 is connected to the connection conductor 142.
  • Each of the first cylindrical windings 111 to 113 and each of the second cylindrical windings 121 to 123 are connected to each other by wiring so as to correspond one-to-one.
  • the second cylindrical winding located at n) is connected to each other by wiring.
  • the other end of the first cylindrical winding 113 located on the first layer from the outside and the one end of the second cylindrical winding 121 located on the first layer from the inside are connected to each other by the wiring 133. Yes.
  • the other end of the first cylindrical winding 112 located on the second layer from the outside and one end of the second cylindrical winding 122 located on the second layer from the inside are connected to each other by a wiring 132.
  • the other end of the first cylindrical winding 111 located on the third layer from the outside and the one end of the second cylindrical winding 123 located on the third layer from the inside are connected to each other by a wiring 131.
  • Each of the wirings 131 and 133 extends linearly in the radial direction 2 of the first multiple cylindrical winding 110 when viewed from the axial direction 1 of the first multiple cylindrical winding 110, as shown in FIG. It is located between the inner periphery and the outer periphery of one multiple cylindrical winding 110.
  • the wiring 132 extends linearly in the axial direction 1 of the first multiple cylindrical winding 110.
  • the wiring 133 connects the other end of the first cylindrical winding 113 and one end of the second cylindrical winding 121 at the shortest distance.
  • the wiring 132 connects the other end of the first cylindrical winding 112 and one end of the second cylindrical winding 122 at the shortest distance.
  • the wiring 131 connects the other end of the first cylindrical winding 111 and one end of the second cylindrical winding 123 at the shortest distance.
  • a cylindrical winding connection body composed of a first cylindrical winding 113 and a second cylindrical winding 121 connected to each other, and a first cylindrical winding 112 and a second cylindrical winding connected to each other.
  • the cylindrical winding connection body composed of 122 and the cylindrical winding connection body composed of the first cylindrical winding 111 and the second cylindrical winding 123 connected to each other are connected in parallel.
  • the lengths of the strands included in each of the above three cylindrical winding connections are substantially the same. Specifically, the total length of the strands included in the first cylindrical winding 113 and the length of the strands included in the second cylindrical winding 121 and the length of the strands included in the first cylindrical winding 112. And the total length of the strands included in the second cylindrical winding 122, and the total length of the strands included in the first cylindrical winding 111 and the length of the strands included in the second cylindrical winding 123. Are substantially equivalent to each other.
  • the area inside each of the above three cylindrical winding connections is substantially the same. Specifically, the total of the area inside the first cylindrical winding 113 and the area inside the second cylindrical winding 121, the area inside the first cylindrical winding 112, and the inside of the second cylindrical winding 122 And the sum of the inner area of the first cylindrical winding 111 and the inner area of the second cylindrical winding 123 are substantially equal to each other.
  • the impedances of the three cylindrical winding connected bodies are substantially equal. Therefore, it is possible to suppress the occurrence of variation in the distribution of the magnetic flux density of the magnetic flux 10 generated in the reactor 100 by causing the current to flow through each of the three cylindrical winding connected bodies substantially uniformly. As a result, in reactor 100, loss can be reduced and local high temperature portions can be prevented from occurring in each of first cylindrical windings 111-113 and second cylindrical windings 121-123. By suppressing the occurrence of a local high temperature portion, it is possible to reduce deterioration due to overheating of the first cylindrical windings 111 to 113 and the second cylindrical windings 121 to 123.
  • each of the wirings 131 to 133 is formed with the shortest length, the amount of heat generated in each of the wirings 131 to 133 can be reduced. Further, since each of the wirings 131 to 133 is located between the inner periphery and the outer periphery of the first multiple cylindrical winding 110, the wirings 131 to 133 affect the magnetic field at the center of the reactor 100. Can be prevented.
  • FIG. 4 is a perspective view showing the configuration of the reactor according to Embodiment 2 of the present invention.
  • FIG. 5 is a cross-sectional view showing a connection structure at a V portion in FIG. In FIG. 4, the connection conductor is not shown.
  • the reactor 200 includes a first multi-cylinder winding 210 and a second multi-cylinder positioned adjacent to the first multi-cylinder winding 210 on the same axis.
  • the winding 220 includes a third multiple cylindrical winding 230 that is coaxially positioned adjacent to the second multiple cylindrical winding 220 on the side opposite to the first multiple cylindrical winding 210 side.
  • first cylindrical winding 210 In the first multiple cylindrical winding 210, n-layer (n ⁇ 2) first cylindrical windings are arranged concentrically.
  • the first multiple cylindrical winding 210 includes three layers of first cylindrical windings 211 to 213, but the number of layers of the first cylindrical winding included in the first multiple cylindrical winding 210 is as follows. The number of layers is not limited to three but may be two or more.
  • n-layer (n ⁇ 2) second cylindrical windings are arranged concentrically.
  • the second multiple cylindrical winding 220 includes three layers of second cylindrical windings 221 to 223, but the number of layers of the second cylindrical winding included in the second multiple cylindrical winding 220 is as follows. The number of layers is not limited to three but may be two or more.
  • n-layer (n ⁇ 2) third cylindrical windings are arranged concentrically.
  • the third multiple cylindrical winding 230 includes three layers of third cylindrical windings 231 to 233.
  • the number of layers of the third cylindrical winding included in the third multiple cylindrical winding 230 is as follows. The number of layers is not limited to three but may be two or more.
  • the length of the first multiple cylindrical winding 210 is equal to the length of the third multiple cylindrical winding 230, and the length of the first multiple cylindrical winding 210 is the same as the length of the first multiple cylindrical winding 210.
  • the sum of the lengths of the three multiple cylindrical windings 230 is equal to the length of the second multiple cylindrical windings 220.
  • the first cylindrical windings 211 to 213, the second cylindrical windings 221 to 223, and the third cylindrical windings 231 to 233 are each configured by winding a wire.
  • the element wire has a structure in which the periphery of the copper wire is covered with insulating paper such as kraft paper.
  • connection conductor 141 One end of each of the first cylindrical windings 211 to 213 is connected to the connection conductor 141.
  • connection conductor 142 The other end of each of the third cylindrical windings 231 to 233 is connected to the connection conductor 142.
  • Each of the first cylindrical windings 211 to 213 and each of the second cylindrical windings 221 to 223 are connected to each other by wiring so as to correspond one-to-one.
  • the second cylindrical winding located at n) is connected to each other by wiring.
  • the other end of the first cylindrical winding 213 located in the first layer from the outside and one end of the second cylindrical winding 221 located in the first layer from the inside are connected to each other by the wiring 243. Yes.
  • the other end of the first cylindrical winding 212 located on the second layer from the outside and the one end of the second cylindrical winding 222 located on the second layer from the inside are connected to each other by a wiring 242.
  • the other end of the first cylindrical winding 211 located on the third layer from the outside and the one end of the second cylindrical winding 223 located on the third layer from the inside are connected to each other by a wiring 241.
  • Each of the wirings 241 and 243 extends linearly in the radial direction of the first multiple cylindrical winding 210 when viewed from the axial direction 1 of the first multiple cylindrical winding 210. It is located between the perimeter and the perimeter.
  • the wiring 242 extends linearly in the axial direction 1 of the first multiple cylindrical winding 210.
  • the wiring 243 connects the other end of the first cylindrical winding 213 and one end of the second cylindrical winding 221 at the shortest distance.
  • the wiring 242 connects the other end of the first cylindrical winding 212 and one end of the second cylindrical winding 222 at the shortest distance.
  • the wiring 241 connects the other end of the first cylindrical winding 211 and one end of the second cylindrical winding 223 at the shortest distance.
  • the second cylindrical windings 221 to 223 and the third cylindrical windings 231 to 233 are connected to each other by wiring so as to correspond one-to-one.
  • the third cylindrical winding located at n) is connected to each other by wiring.
  • the other end of the second cylindrical winding 223 located in the first layer from the outside and one end of the third cylindrical winding 231 located in the first layer from the inside are connected to each other by the wiring 253.
  • the other end of the second cylindrical winding 222 located on the second layer from the outside and one end of the third cylindrical winding 232 located on the second layer from the inside are connected to each other by a wiring 252.
  • the other end of the second cylindrical winding 221 located on the third layer from the outside and one end of the third cylindrical winding 233 located on the third layer from the inside are connected to each other by a wiring 251.
  • Each of the wirings 251 and 253 extends linearly in the radial direction of the first multiple cylindrical winding 210 when viewed from the axial direction 1 of the first multiple cylindrical winding 210, and It is located between the perimeter and the perimeter.
  • the wiring 252 extends linearly in the axial direction 1 of the first multiple cylindrical winding 210.
  • the wiring 253 connects the other end of the second cylindrical winding 223 and one end of the third cylindrical winding 231 at the shortest distance.
  • the wiring 252 connects the other end of the second cylindrical winding 222 and one end of the third cylindrical winding 232 at the shortest distance.
  • the wiring 251 connects the other end of the second cylindrical winding 221 and one end of the third cylindrical winding 233 at the shortest distance.
  • a cylindrical winding connection body composed of a first cylindrical winding 213, a second cylindrical winding 221 and a third cylindrical winding 233 connected to each other, and a first cylindrical winding connected to each other.
  • 212, the second cylindrical winding 222, and the third cylindrical winding 232, and the first cylindrical winding 211, the second cylindrical winding 223, and the third cylindrical winding 231 connected to each other. are connected in parallel.
  • the lengths of the strands included in each of the above three cylindrical winding connections are substantially the same. Specifically, the total of the length of the strand included in the first cylindrical winding 213, the length of the strand included in the second cylindrical winding 221 and the length of the strand included in the third cylindrical winding 233, The total of the length of the strands included in the first cylindrical winding 212, the length of the strands included in the second cylindrical winding 222, and the length of the strands included in the third cylindrical winding 232, and the first cylinder The total length of the strand included in the winding 211, the length of the strand included in the second cylindrical winding 223, and the length of the strand included in the third cylindrical winding 231 is substantially equal to each other. Yes.
  • the area inside each of the above three cylindrical winding connections is substantially the same. Specifically, the total of the area inside the first cylindrical winding 213, the area inside the second cylindrical winding 221, and the area inside the third cylindrical winding 233, and the inside of the first cylindrical winding 212 , The inner area of the second cylindrical winding 222 and the inner area of the third cylindrical winding 232, the inner area of the first cylindrical winding 211, and the inner area of the second cylindrical winding 223. And the total area inside the third cylindrical winding 231 are substantially equal to each other.
  • the impedances of the three cylindrical winding connected bodies are substantially equal.
  • the loss is reduced, and a local high temperature portion is generated in each of the first cylindrical windings 211 to 213, the second cylindrical windings 221 to 223, and the third cylindrical windings 231 to 233. This can be suppressed.
  • each of the wirings 241 to 243 and the wirings 251 to 253 is formed with the shortest length, the amount of heat generated in each of the wirings 241 to 243 and the wirings 251 to 253 can be reduced.
  • each of the wirings 241 to 243 and the wirings 251 to 253 is located between the inner periphery and the outer periphery of the first multiple cylindrical winding 210, the wirings 241 to 241 are applied to the magnetic field at the center of the reactor 200. The influence of the H.243 and the wirings 251 to 253 can be prevented.
  • the lengths of the strands included in each of the plurality of cylindrical winding connectors are substantially equal, and the area inside each of the plurality of cylindrical winding connectors is
  • the reactor may include four or more multiple cylindrical windings so as to be substantially equivalent.

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

Abstract

L'invention porte sur une réactance qui comprend un premier enroulement cylindrique à spires multiples (110) dans lequel n couches (n ≥ 2) de premiers enroulements cylindriques sont disposées de manière concentrique, et un second enroulement cylindrique à spires multiples (120) dans lequel n couches (n ≥ 2) de seconds enroulements cylindriques sont disposées de manière concentrique et qui est placé adjacent au premier enroulement cylindrique à spires multiples (110) sur le même axe central. Les n couches de premiers enroulements cylindriques et les n couches de seconds enroulements cylindriques sont connectées les unes aux autres respectivement selon une correspondance biunivoque par câblage. Le premier enroulement cylindrique qui est la aième couche (1 ≤ a ≤ n) à partir de l'extérieur parmi les n couches de premiers enroulements cylindriques, et le second enroulement cylindrique qui est la aième couche (1 ≤ a ≤ n) à partir de l'intérieur parmi les n couches de seconds enroulements cylindriques, sont connectés l'un à l'autre par câblage. La pluralité de corps de connexion d'enroulements cylindriques, comprenant chacun le premier enroulement cylindrique et le second enroulement cylindrique qui sont connectés l'un à l'autre, sont connectés en parallèle.
PCT/JP2016/051693 2016-01-21 2016-01-21 Réactance Ceased WO2017126078A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2016/051693 WO2017126078A1 (fr) 2016-01-21 2016-01-21 Réactance
JP2016546109A JPWO2017126078A1 (ja) 2016-01-21 2016-01-21 リアクトル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/051693 WO2017126078A1 (fr) 2016-01-21 2016-01-21 Réactance

Publications (1)

Publication Number Publication Date
WO2017126078A1 true WO2017126078A1 (fr) 2017-07-27

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Family Applications (1)

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PCT/JP2016/051693 Ceased WO2017126078A1 (fr) 2016-01-21 2016-01-21 Réactance

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JP (1) JPWO2017126078A1 (fr)
WO (1) WO2017126078A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01246807A (ja) * 1988-03-29 1989-10-02 Fuji Electric Co Ltd 円板巻線
JPH0754982Y2 (ja) * 1989-11-02 1995-12-18 富士電機株式会社 静止誘導電器の巻線構造
JPH1187147A (ja) * 1997-09-09 1999-03-30 Toshiba Corp 電磁誘導機器の巻線

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51103225A (ja) * 1975-03-10 1976-09-11 Hitachi Ltd Daidenryuhenatsukimakisen
WO2012017616A1 (fr) * 2010-08-06 2012-02-09 三菱電機株式会社 Réacteur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01246807A (ja) * 1988-03-29 1989-10-02 Fuji Electric Co Ltd 円板巻線
JPH0754982Y2 (ja) * 1989-11-02 1995-12-18 富士電機株式会社 静止誘導電器の巻線構造
JPH1187147A (ja) * 1997-09-09 1999-03-30 Toshiba Corp 電磁誘導機器の巻線

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