JPH0748452B2 - Electrolytic capacitor unit - Google Patents
Electrolytic capacitor unitInfo
- Publication number
- JPH0748452B2 JPH0748452B2 JP14233389A JP14233389A JPH0748452B2 JP H0748452 B2 JPH0748452 B2 JP H0748452B2 JP 14233389 A JP14233389 A JP 14233389A JP 14233389 A JP14233389 A JP 14233389A JP H0748452 B2 JPH0748452 B2 JP H0748452B2
- Authority
- JP
- Japan
- Prior art keywords
- electrolytic capacitor
- copper
- capacitor unit
- parallel
- electrolytic
- 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 - Fee Related
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、スイッチング素子としてサイリスタ素子など
の半導体スイッチング素子を使用する電力変換装置にお
いて、直流中間回路に接続される電解コンデンサユニッ
トに関する。Description: TECHNICAL FIELD The present invention relates to an electrolytic capacitor unit connected to a DC intermediate circuit in a power conversion device using a semiconductor switching element such as a thyristor element as a switching element.
サイリスタ変換装置の直流中間回路の電解コンデンサユ
ニットでは、並列及び直列をなす接続方法として第２図
に示すような方法が行われている。In the electrolytic capacitor unit of the DC intermediate circuit of the thyristor converter, the method shown in FIG. 2 is performed as a connecting method in parallel and in series.
図中、１〜３は比較的幅の狭い銅バーで、このうち銅バ
ー２は銅バー1,3から直交するように複数本が並列して
突出する。このような櫛状の銅バーで、銅バー２が交互
に並ぶように噛み合わせ、該銅バー２間に電解コンデン
サ４を接続する。In the figure, 1-3 are comparatively narrow copper bars, of which a plurality of copper bars 2 project in parallel from the copper bars 1, 3 so as to be orthogonal to each other. With such comb-shaped copper bars, the copper bars 2 are engaged with each other so as to be arranged alternately, and the electrolytic capacitor 4 is connected between the copper bars 2.
前記第２図に示す銅バー１〜３による電解コンデンサ４
の接続方法では、これら銅バー１〜３が幅狭の導体のた
め、電解コンデンサ４の並列数、直列数が多い場合に
は、Ｐ〜Ｎ端子間の配線インダクタンスが増加する。そ
の結果、この配線インダクタンスが増加により、スイッ
チング素子としてのサイリスタ素子の保護機能が低下す
るおそれがあった。Electrolytic capacitor 4 with copper bars 1 to 3 shown in FIG.
In this connection method, since the copper bars 1 to 3 are narrow conductors, the wiring inductance between the P and N terminals increases when the number of parallel and series electrolytic capacitors 4 is large. As a result, the wiring inductance increases, which may reduce the protection function of the thyristor element as a switching element.
本発明の目的は前記従来例の不都合を解消し、電解コン
デンサの配線インダクタンスを低減し、サイリスタ素子
の保護機能を向上させることができる電解コンデンサユ
ニットを提供することにある。An object of the present invention is to provide an electrolytic capacitor unit that can solve the disadvantages of the conventional example, reduce the wiring inductance of the electrolytic capacitor, and improve the protection function of the thyristor element.
本発明は前記目的を達成するため、導体として幅広の銅
板を使用し、この銅板を幅方向に間隔を存して並べ、各
銅板端間に電解コンデンサを並列に配設したことを要旨
とするものである。In order to achieve the above object, the present invention is characterized in that a wide copper plate is used as a conductor, the copper plates are arranged at intervals in the width direction, and electrolytic capacitors are arranged in parallel between ends of each copper plate. It is a thing.
本発明によれば、使用する導体は幅広の銅板なので、表
皮効果が大きく、電流を分散させることができるので、
配線インダクタンスが低減する。According to the present invention, since the conductor used is a wide copper plate, the skin effect is large and the current can be dispersed.
Wiring inductance is reduced.
以下、図面について本発明の実施例を詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
第１図は本発明の電解コンデンサユニットの１実施例を
示す斜視図で、導体として幅広の銅板5,6,6′,5′を使
用し、これら銅板5,6,6′,5′を幅方向に間隔を存して
並べ、各銅板端間に電解コンデンサ４を並列に接続配置
した。FIG. 1 is a perspective view showing one embodiment of the electrolytic capacitor unit of the present invention, in which wide copper plates 5,6,6 ', 5' are used as conductors and these copper plates 5,6,6 ', 5' are used. The electrolytic capacitors 4 were arranged in parallel in the width direction, and the electrolytic capacitors 4 were connected in parallel between the ends of the copper plates.
銅板5,5′は端子側のもので、アングル材としてフラン
ジ5aの部分を平板７に溶接等で固定して、この平板７の
左右端から直角に立上がり、または立下がるものとす
る。さらに、平板７の一端を銅板5,5′と反対側に折曲
げてフランジ８を形成し、この部分を他の電気部品への
接続部とした。The copper plates 5 and 5'are on the terminal side, and the flange 5a as an angle member is fixed to the flat plate 7 by welding or the like, and rises or falls at right angles from the left and right ends of the flat plate 7. Further, one end of the flat plate 7 was bent to the side opposite to the copper plates 5 and 5'to form a flange 8, and this portion was used as a connecting portion to other electric parts.
銅板6,6′はコ字型の枠状に折り曲げたもので、連結部6
aが交互になるように銅板5,5′の間に並べる。The copper plates 6 and 6'are bent into a U-shaped frame, and the connecting part 6
Arrange them between the copper plates 5, 5'so that a is alternated.
このようにして、銅板5,6,6′,5′が幅方向に並び、そ
の間に電解コンデンサ４が並列に接続されることで、該
電解コンデンサ４は直列にも接続されることになる。In this way, the copper plates 5, 6, 6 ', 5'are arranged in the width direction, and the electrolytic capacitors 4 are connected in parallel therebetween, so that the electrolytic capacitors 4 are also connected in series.
正極側のＰ端子と負極側のＮ端子間で、平板７から銅板
5,6,6′,5′を介して電解コンデンサ４に流れる電流
は、これら銅板5,6,6′,5′及び平板７が幅広なので、
表皮効果で分散され、配線インダクタンスが大きくなる
ことはない。Between the P terminal on the positive electrode side and the N terminal on the negative electrode side, from the flat plate 7 to the copper plate
The current flowing through the electrolytic capacitor 4 via 5,6,6 ', 5' is wide because the copper plates 5,6,6 ', 5' and the flat plate 7 are wide.
It is dispersed by the skin effect and the wiring inductance does not increase.
以上述べたように、本発明の電解コンデンサユニット
は、電解コンデンサを並列及び直列接続する場合に配線
インダクタンスを低減でき、電力変換装置の直流中間回
路において、該変換装置を構成するスイッチング素子と
してのサイリスタ素子の保護機能を向上させることがで
きるものである。As described above, the electrolytic capacitor unit of the present invention can reduce the wiring inductance when the electrolytic capacitors are connected in parallel and in series, and in the DC intermediate circuit of the power converter, the thyristor as a switching element that constitutes the converter. The protective function of the element can be improved.
第１図は本発明の電解コンデンサユニットの１実施例を
示す斜視図、第２図は従来例を示す説明図である。 1,2,3…銅バー、４…電解コンデンサ 5,5′,6,6′…銅板 5a,8…フランジ 6a…連結部、７…平板FIG. 1 is a perspective view showing an embodiment of the electrolytic capacitor unit of the present invention, and FIG. 2 is an explanatory view showing a conventional example. 1,2,3 ... Copper bar, 4 ... Electrolytic capacitor 5,5 ', 6,6' ... Copper plate 5a, 8 ... Flange 6a ... Connecting part, 7 ... Plate
Claims (1)
を幅方向に間隔を存して並べ、各銅板端間に電解コンデ
ンサを並列に配設したことを特徴とする電解コンデンサ
ユニット。1. An electrolytic capacitor unit characterized in that a wide copper plate is used as a conductor, the copper plates are arranged at intervals in the width direction, and electrolytic capacitors are arranged in parallel between the ends of each copper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14233389A JPH0748452B2 (en) | 1989-06-05 | 1989-06-05 | Electrolytic capacitor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14233389A JPH0748452B2 (en) | 1989-06-05 | 1989-06-05 | Electrolytic capacitor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036809A JPH036809A (en) | 1991-01-14 |
| JPH0748452B2 true JPH0748452B2 (en) | 1995-05-24 |
Family
ID=15312916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14233389A Expired - Fee Related JPH0748452B2 (en) | 1989-06-05 | 1989-06-05 | Electrolytic capacitor unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748452B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0777464A1 (en) * | 1994-08-26 | 1997-06-11 | The Procter & Gamble Company | Personal cleansing compositions |
| JP4512855B2 (en) * | 2007-04-16 | 2010-07-28 | 日本電磁測器株式会社 | Magnetizer |
-
1989
- 1989-06-05 JP JP14233389A patent/JPH0748452B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH036809A (en) | 1991-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |