JPS61185045A - Single layer coaxial winding polyphase stator winding - Google Patents
Single layer coaxial winding polyphase stator windingInfo
- Publication number
- JPS61185045A JPS61185045A JP60024293A JP2429385A JPS61185045A JP S61185045 A JPS61185045 A JP S61185045A JP 60024293 A JP60024293 A JP 60024293A JP 2429385 A JP2429385 A JP 2429385A JP S61185045 A JPS61185045 A JP S61185045A
- Authority
- JP
- Japan
- Prior art keywords
- winding
- coil
- phase
- stator winding
- pole
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は回転電機の単層同心巻多相固定子巻線に関する
。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a single-layer concentrically wound multiphase stator winding for a rotating electric machine.
交流回転電機の固定子において、単層巻の巻線とは１個
の固定子スロットに１本のコイル辺が配置されているも
のである。また同心巻の巻線とは複数のコイルを同心に
配置したものである。In the stator of an AC rotating electric machine, a single-layer winding is one in which one coil side is arranged in one stator slot. Moreover, a concentric winding is one in which a plurality of coils are arranged concentrically.
単層巻ではコイル数がスロット数の半分でよく、また導
体の占積率を二層者より大きくとれる。しかしながら５
巻線のコイルエンド部の交差を避ける為に形状の異なる
多種類のコイルが必要とされていた。With single-layer winding, the number of coils can be half the number of slots, and the space factor of the conductor can be larger than that with two-layer winding. However, 5
In order to avoid crossing of the coil ends of the windings, many types of coils with different shapes were required.
従来の単層同心巻多相固定子巻線の１極１相分を第７図
（ａ）、 （ｂ） 、 （ｃ）に示す。■は固定子鉄心
。A conventional single-layer concentric polyphase stator winding for one pole and one phase is shown in FIGS. 7(a), (b), and (c). ■ is stator core.
■、■、（イ）はそれぞれＵ、Ｖ、Ｗ相の巻線であって
、に）は一部分を切欠しているが、はぼ１極１相分の固
定子巻線を示す。このように、単層同心巻を採用する時
は、Ｕ相■とＷ相（イ）とは同一形状であるが、Ｖ相■
はＵ、Ｗ相■、■に対してコイルエンドが異なった形状
の巻線としなければならない。(2), (2), and (a) are U-, V-, and W-phase windings, respectively, and (b) is partially cut away, but it shows the stator winding for one pole and one phase. In this way, when adopting single-layer concentric winding, U phase ■ and W phase (A) have the same shape, but V phase ■
The coil ends must have different shapes for the U and W phases (■ and ■).
従って第７図（ａ） 、 （ｂ） 、 （ｃ）のように
、１極１相当たりのコイル数が４個の場合には、この数
と２の積である８種類の形状のコイルが必要となる。従
って巻線製作上、時間、費用共に大きくかかつていた。Therefore, when the number of coils per pole is 4 as shown in Figure 7 (a), (b), and (c), there are 8 different shapes of coils, which is the product of this number and 2. It becomes necessary. Therefore, the time and cost involved in manufacturing the winding were large.
本発明は異なった形状のコイルの数を減らして、巻線製
作上の時間、費用共に低減させた単層同心巻多相固定子
巻線を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a single-layer concentrically wound multiphase stator winding in which the number of coils of different shapes is reduced, thereby reducing the time and cost for manufacturing the winding.
本発明においては、回転電機の単層同心巻多相固定子巻
線において、各固定子巻線のコイルエンドを折り曲げて
エンドループ部の各相巻線相互交差を避け、１極１相分
の巻線形状をすべての１極１相分について同一とするこ
とにより、コイルの形状の種類を減らして生産性を向上
するものである。In the present invention, in a single-layer concentrically wound multiphase stator winding of a rotating electric machine, the coil ends of each stator winding are bent to avoid mutual crossing of each phase winding at the end loop part, and By making the winding shape the same for all one pole and one phase, the number of types of coil shapes can be reduced and productivity can be improved.
実施例１
以下、本発明の第１の実施例について、第１図（ａ）
、 （ｂ） 、 （ｃ）および第２図を参照して説明す
る。Example 1 The first example of the present invention will be described below as shown in FIG. 1(a).
, (b), (c) and FIG. 2.
これらの図において、第２図はこの実施例における固定
子巻線のコイル０を１個だけ示したものであるが、一方
のコイルエンド部はエンドループ部０を下方（回転電機
では固定子、回転子ともに空隙側を上方と称し、空隙か
ら遠ざかる方向を下方と称す）へ位置するように折り曲
げ、他方のコイルエンド部はエンドループ部（６ａ）を
下方へ位置するように折り曲げ、このエンドループ部（
６ａ）につながる片側のエンド直線部■は、そのエンド
ループ（６ａ）より下方に位置するように折り曲げたも
のである。第１図は第２図のコイル■のピッチを４種類
用いて、Ｕ、Ｖ、Ｗ相からなる３段構えの単層同心巻線
の１極１相の部分を構成したものである。尚、−Ｕ、−
Ｖ、−Ｗ相はＵ、Ｖ、Ｗ相につながって電流方向が逆で
あることを示したものである。In these figures, FIG. 2 shows only one coil 0 of the stator winding in this embodiment, but one coil end part has an end loop part 0 downward (in a rotating electric machine, the stator, The rotor is bent so that the air gap side is upward and the direction away from the air gap is downward.The other coil end is bent so that the end loop part (6a) is downward. Department (
The end straight portion (2) on one side connected to 6a) is bent so as to be located below the end loop (6a). FIG. 1 shows a one-pole, one-phase portion of a three-stage single-layer concentric winding consisting of U, V, and W phases, using four pitches of the coil (2) shown in FIG. In addition, -U, -
The V and -W phases are connected to the U, V and W phases, indicating that the current direction is opposite.
次に作用について説明する。Next, the effect will be explained.
このようにすると、４種類のコイルを用いるだけなので
５従来の半分となり、１極１相分の巻線形状をすべての
１極１相分について同一としたから、生産性が向上する
。更に、各々の相について、巻線の長さが同一であるこ
とから、各相の抵抗分のアンバランス及びエンド部漏れ
リアクタンスのアンバランスが生ずることなく１回転型
機のトルク脈動の防止ができ、信頼性が向上する。In this way, since only four types of coils are used, the number of coils is half that of the conventional method, and the winding shape for one pole and one phase is made the same for all one pole and one phase, which improves productivity. Furthermore, since the length of the winding is the same for each phase, torque pulsation in a single-rotation machine can be prevented without causing unbalance in the resistance of each phase or unbalance in end leakage reactance. , reliability is improved.
実施例２
第３図は第２の実施例の要部を示したもので、実施例１
の第２図を変形したものである。即ち、エンドループ部
（６ａ）を回転軸方向に複数個（第３図では２個だけ示
す）並べ、エンド直線部■は片側だけ下方に位置させ、
その側のエンドループ部（６ａ）の高さは、鉄心内のコ
イル■の延長直線部と一致させたものであり、他は実施
例１と同様にしたものである。Example 2 Figure 3 shows the main part of the second example.
This is a modified version of Figure 2. That is, a plurality of end loop portions (6a) are arranged in the direction of the rotation axis (only two are shown in FIG. 3), and the end straight portion (2) is positioned downward on only one side.
The height of the end loop part (6a) on that side was made to match the extended straight part of the coil (2) in the iron core, and the other aspects were the same as in Example 1.
このようにしても実施例１と同様な作用効果が得られる
。Even in this case, the same effects as in the first embodiment can be obtained.
実施例３
第４図および第５図（ａ） 、 （ｂ） 、 （ｃ）は
第３の実施例を示す、これはエンド直線部■を両側共に
下方に位置させ、エンドループ部（６ａ）は鉄心■の内
径面とエンド直線部■との中間に位置する様に折り曲げ
、２段構えの単層同心巻線を構成したもので。Embodiment 3 Figures 4 and 5 (a), (b), and (c) show a third embodiment, in which the end straight portion (■) is located downward on both sides, and the end loop portion (6a) The wire is bent so that it is located midway between the inner diameter surface of the iron core ■ and the end straight portion ■, forming a two-stage single-layer concentric winding.
他は実施例１と同様である。The rest is the same as in Example 1.
このようにしても実施例１と同様な作用効果が得られる
。Even in this case, the same effects as in the first embodiment can be obtained.
実施例４
第６図は第４図の実施例の要部を示したもので、実施例
３を変形したものである。即ち、エンドループ部（６ａ
）を回転軸方向に複数個（第６図では２個だけ示す）並
べたもので他は実施例３と同様にしたものである。Embodiment 4 FIG. 6 shows a main part of the embodiment shown in FIG. 4, which is a modification of Embodiment 3. That is, the end loop part (6a
) are arranged in the direction of the rotation axis (only two are shown in FIG. 6), and the rest is the same as in the third embodiment.
このようにしても実施例１と同様な作用効果が得られる
。Even in this case, the same effects as in the first embodiment can be obtained.
以上説明したように、本発明によれば、異なった形状の
コイルの数を半減し、巻線製作上の時間、費用共に低減
し、予備コイルの数も半減し、しかも各相の抵抗分のア
ンバランス及びエンド部漏れリアクタンスのアンバラン
スが生ずることなく、回転電機のトルク脈動の防止がで
き、信頼性の向上した単層同心巻多相固定子巻線が高生
産性で得られる。As explained above, according to the present invention, the number of coils of different shapes can be halved, the time and cost for winding production can be reduced, the number of spare coils can also be halved, and the resistance of each phase can be reduced by half. Torque pulsation in a rotating electric machine can be prevented without causing unbalance or unbalance of end leakage reactance, and a single-layer concentrically wound multiphase stator winding with improved reliability can be obtained with high productivity.
第１図（ａ）、 （ｂ） 、 （ｃ）は本発明の単層同
心巻多相固定子巻線の第１の実施例の１極１相分を示す
展開図、側面から見た断面図、下面から見た端面図、第
２図は第１図のコイルの斜視図、第３図は第２の実施例
のコイルを示す斜視図、第４図は第３の実施例のコイル
を示す斜視図、第５図（ａ）、 （ｂ） 、 （ｃ）は
第４図のコイルを使用した展開図、断面図。
端面図、第６図は第４の実施例のコイルを示す斜視図、
第７図（ａ）、 （ｂ） 、 （ｃ）は従来例の展開図
、断面図、端面図である。
２．３．４＝Ｕ、Ｖ、Ｗ相の巻線
５・・・コイル ６，６ａ・・・エンドループ
部７・・・エンド直線部FIGS. 1(a), (b), and (c) are developed views showing one pole and one phase of the first embodiment of the single-layer concentric winding multiphase stator winding of the present invention, and a cross section seen from the side. 2 is a perspective view of the coil of FIG. 1, FIG. 3 is a perspective view of the coil of the second embodiment, and FIG. 4 is a perspective view of the coil of the third embodiment. 5(a), (b), and (c) are developed views and sectional views using the coil shown in FIG. 4. FIG. An end view, FIG. 6 is a perspective view showing the coil of the fourth embodiment,
FIGS. 7(a), (b), and (c) are a developed view, a sectional view, and an end view of a conventional example. 2.3.4 = U, V, W phase winding 5... Coil 6, 6a... End loop part 7... End straight part
Claims (3)
各固定子巻線のコイルエンドを折り曲げてエンドループ
部の各相巻線相互交差を避け、１極１相分の巻線形状を
すべての１極１相分について同一としたことを特徴とす
る単層同心巻多相固定子巻線。(1) In the single-layer concentric winding multiphase stator winding of a rotating electric machine,
The coil end of each stator winding is bent to avoid mutual crossing of each phase winding at the end loop part, and the winding shape for one pole and one phase is made the same for all one pole and one phase. Single layer concentric wound polyphase stator winding.
ンドループ部を下方に位置する様に折り曲げ、他方のコ
イルエンド部はエンドループ部を下方へ位置する様に折
り曲げ、このエンドループ部につながるエンド直線部は
、そのエンドループより下方に位置するように折り曲げ
たことを特徴とする特許請求の範囲第１項記載の単層同
心巻多相固定子巻線。(2) At one coil end of each coil, bend the end loop so that it is positioned downward, and at the other coil end, bend the end loop so that it is positioned downward; 2. The single-layer concentrically wound multiphase stator winding according to claim 1, wherein the connecting end straight portions are bent so as to be located below the end loops.
ンドループ部を下方へ位置するように折り曲げ、他方の
コイルエンドはエンド直線部を下方に位置する様に折り
曲げたことを特徴とする特許請求の範囲第１項記載の単
層同心巻多相固定子巻線。(3) A patent characterized in that one coil end of each coil has an end loop portion bent downward, and the other coil end has an end straight portion bent downward. A single-layer concentrically wound multiphase stator winding according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60024293A JPS61185045A (en) | 1985-02-13 | 1985-02-13 | Single layer coaxial winding polyphase stator winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60024293A JPS61185045A (en) | 1985-02-13 | 1985-02-13 | Single layer coaxial winding polyphase stator winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61185045A true JPS61185045A (en) | 1986-08-18 |
Family
ID=12134120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60024293A Pending JPS61185045A (en) | 1985-02-13 | 1985-02-13 | Single layer coaxial winding polyphase stator winding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61185045A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6049154A (en) * | 1998-04-08 | 2000-04-11 | Mitsubishi Denki Kabushiki Kaisha | Stator for vehicle alternator |
| JP2010506549A (en) * | 2006-10-04 | 2010-02-25 | コンバーチーム リミテッド | Stator for rotating electrical machine |
| CN101677200A (en) * | 2008-09-18 | 2010-03-24 | 西门子公司 | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| EP2166644A1 (en) * | 2008-09-18 | 2010-03-24 | Siemens Aktiengesellschaft | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| JP2014183645A (en) * | 2013-03-19 | 2014-09-29 | Yaskawa Electric Corp | Winding member for coil manufacture, coil, rotary electric machine and manufacturing method of coil |
-
1985
- 1985-02-13 JP JP60024293A patent/JPS61185045A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6049154A (en) * | 1998-04-08 | 2000-04-11 | Mitsubishi Denki Kabushiki Kaisha | Stator for vehicle alternator |
| JP2010506549A (en) * | 2006-10-04 | 2010-02-25 | コンバーチーム リミテッド | Stator for rotating electrical machine |
| CN101677200A (en) * | 2008-09-18 | 2010-03-24 | 西门子公司 | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| EP2166644A1 (en) * | 2008-09-18 | 2010-03-24 | Siemens Aktiengesellschaft | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| EP2166645A1 (en) * | 2008-09-18 | 2010-03-24 | Siemens Aktiengesellschaft | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| US8093777B2 (en) | 2008-09-18 | 2012-01-10 | Siemens Aktiengesellschaft | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| US8174160B2 (en) | 2008-09-18 | 2012-05-08 | Siemens Aktiengesellschaft | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| EP2166644B1 (en) | 2008-09-18 | 2019-02-20 | Siemens Aktiengesellschaft | Group of three stator windings for a stator of an electric machine, a stator arrangement, a generator, and wind turbine |
| JP2014183645A (en) * | 2013-03-19 | 2014-09-29 | Yaskawa Electric Corp | Winding member for coil manufacture, coil, rotary electric machine and manufacturing method of coil |
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