JPH11162753A - Tap selector - Google Patents
Tap selectorInfo
- Publication number
- JPH11162753A JPH11162753A JP32456197A JP32456197A JPH11162753A JP H11162753 A JPH11162753 A JP H11162753A JP 32456197 A JP32456197 A JP 32456197A JP 32456197 A JP32456197 A JP 32456197A JP H11162753 A JPH11162753 A JP H11162753A
- Authority
- JP
- Japan
- Prior art keywords
- numbered
- odd
- fixed
- contact
- tap
- 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.)
- Granted
Links
Landscapes
- Push-Button Switches (AREA)
- Breakers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、変圧器のタップ巻
線に有するタップを無負荷状態で任意のタップを選択可
能なタップ選択器の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a tap selector capable of selecting an arbitrary tap without any load on a tap provided in a tap winding of a transformer.
【０００２】[0002]
【従来の技術】この種の従来のタップ選択器の第１の例
を図５〜図７を用いて説明する。図５は、変圧器巻線の
結線を示し、ＴＷ１は主巻線、ＴＷ２はタップ巻線、１
０は奇数側タップ固定接点群（以下奇数側固定接点群と
称する）、１１は偶数側タップ固定接点群（以下偶数側
固定接点群と称する）、Ｓ１，Ｓ２は切換スイッチであ
る。2. Description of the Related Art A first example of this type of conventional tap selector will be described with reference to FIGS. FIG. 5 shows the connection of the transformer windings, where TW1 is the main winding, TW2 is the tap winding,
0 is an odd-numbered tap fixed contact group (hereinafter referred to as an odd-numbered fixed contact group), 11 is an even-numbered tap fixed contact group (hereinafter referred to as an even-numbered fixed contact group), and S1 and S2 are changeover switches.
【０００３】奇数側固定接点群１０は、タップ巻線ＴＷ
２の所定位置に電気的に接続されたタップＴ１〜Ｔ８の
うち、奇数側タップ（奇数側固定接点）Ｔ１，Ｔ３，Ｔ
５，Ｔ７に対して奇数側可動接点Ｍ１が接離可能に配設
されている。また偶数側タップ群１１はタップＴ１〜Ｔ
８のうち、残りの偶数側タップ（偶数側固定接点）Ｔ
２，Ｔ４，Ｔ６，Ｔ８に対して偶数側可動接点Ｍ２が接
離可能に配設されている。The odd-numbered fixed contact group 10 includes a tap winding TW
2, among the taps T1 to T8 electrically connected to the predetermined positions of the second tap, odd-numbered taps (odd-side fixed contacts) T1, T3, T
5, an odd-numbered movable contact M1 is provided so as to be able to contact and separate from T7. The even-numbered tap group 11 includes taps T1 to T
8, the remaining even-numbered taps (even-numbered fixed contacts) T
An even-numbered movable contact M2 is provided so as to be able to contact and separate from 2, 2, T4, T6, and T8.
【０００４】可動接点Ｍ１，Ｍ２にそれぞれ直列接続さ
れた切換スイッチＳ１，Ｓ２は主巻線ＴＷ１を流れる負
荷電流を移す切換スイッチである。図５は切換スイッチ
Ｓ１が閉じ、可動接点Ｍ１が固定接点Ｔ１を選択した状
態を示している。固定接点Ｔ２への切換は切換スイッチ
Ｓ１が開き、次いで切換スイッチＳ２が閉じ固定接点Ｔ
２へ負荷電流を移す。さらに固定接点Ｔ３への切換は、
可動接点Ｍ１が無負荷状態で固定接点Ｔ３へ移り、切換
スイッチＳ１が閉じ固定接点Ｔ３での運転状態となる。The changeover switches S1 and S2 connected in series to the movable contacts M1 and M2 are changeover switches for transferring a load current flowing through the main winding TW1. FIG. 5 shows a state where the changeover switch S1 is closed and the movable contact M1 selects the fixed contact T1. To switch to the fixed contact T2, the changeover switch S1 is opened, then the changeover switch S2 is closed and the fixed contact T2 is closed.
Transfer load current to 2. Further, switching to the fixed contact T3
The movable contact M1 moves to the fixed contact T3 in a no-load state, the changeover switch S1 is closed, and the operation state with the fixed contact T3 is established.
【０００５】このように奇数側固定接点群１０は可動接
点Ｍ１によって、また偶数側固定接点群１１は可動接点
Ｍ２によって順次選択され、要求されたタップ電圧を得
るように構成されている。従って、奇数側固定接点群１
０と偶数側固定接点群１１は各々１個の可動接点Ｍ１，
Ｍ２によって選択動作が行われるため、各々同一平面上
に配置する必要がある。As described above, the odd-numbered fixed contact group 10 is sequentially selected by the movable contact M1, and the even-numbered fixed contact group 11 is sequentially selected by the movable contact M2, so that a required tap voltage is obtained. Therefore, the odd-numbered fixed contact group 1
0 and the even-numbered fixed contact group 11 each have one movable contact M1,
Since the selection operation is performed by M2, they must be arranged on the same plane.
【０００６】図６（ａ）は絶縁板１上に奇数側固定接点
群１０と可動接点Ｍ１（図中太線）を絶縁板近側に、ま
た偶数側固定接点群１１と可動接点Ｍ２を絶縁板側に配
置した従来例の上面図であり、図６（ｂ）は図６（ａ）
のＣーＤーＥ線に沿って切断した断面図である。FIG. 6 (a) shows an odd-numbered fixed contact group 10 and a movable contact M1 (thick line in the figure) on the insulating plate 1 near the insulating plate, and an even-numbered fixed contact group 11 and the movable contact M2 on the insulating plate 1. FIG. 6B is a top view of a conventional example arranged on the side, and FIG.
It is sectional drawing cut | disconnected along the C-E line of FIG.
【０００７】図示しない第１の駆動源により回動可能に
構成された駆動絶縁軸２の外周面に、偶数側可動接点支
え７が固定され、この可動接点支え７の外周面に、後述
する偶数側可動接点Ｍ２が固定されている。An even-numbered movable contact support 7 is fixed to the outer peripheral surface of the drive insulating shaft 2 rotatable by a first drive source (not shown). The side movable contact M2 is fixed.
【０００８】駆動絶縁軸２の外周側に、図示しない第２
の駆動源により回動可能に構成された駆動絶縁筒３の外
周面に、奇数側可動接点支え６が固定され、可動接点支
え６の外周面に集電リング４が固定され、集電リング４
に後述する奇数側可動接点Ｍ１が固定されている。[0008] On the outer peripheral side of the drive insulating shaft 2, a second
The odd-numbered movable contact support 6 is fixed to the outer peripheral surface of the drive insulating cylinder 3 that is rotatable by the driving source, and the current collecting ring 4 is fixed to the outer peripheral surface of the movable contact support 6.
, An odd-numbered movable contact M1 described later is fixed.
【０００９】絶縁板１は、集電リング４に近接して水平
に配置され、図示しない容器に固定され、絶縁板１に
は、偶数側固定接点群１１が各々が放射状で等間隔に配
置され、偶数側固定接点群１１の一端部がそれぞれ絶縁
板１に固定され、偶数側固定接点群１１の他端部が可動
接点Ｍ２に摺接可能に構成されている。また、絶縁板１
には、奇数側固定接点群１０が各々が放射状で等間隔に
配置され、奇数側固定接点群１０の一端部がそれぞれ絶
縁板１に固定され、奇数側固定接点群１０の他端部が可
動接点Ｍ２に摺接可能に構成されている。The insulating plate 1 is horizontally arranged close to the current collecting ring 4 and fixed to a container (not shown). On the insulating plate 1, even-numbered fixed contact groups 11 are arranged at equal intervals in a radial pattern. One end of the even-numbered fixed contact group 11 is fixed to the insulating plate 1, and the other end of the even-numbered fixed contact group 11 is configured to be slidable on the movable contact M2. Insulating plate 1
The odd-numbered fixed contact groups 10 are radially arranged at regular intervals, one end of the odd-numbered fixed contact groups 10 is fixed to the insulating plate 1, and the other end of the odd-numbered fixed contact group 10 is movable. It is configured to be able to slide on the contact point M2.
【００１０】偶数側固定接点群１１はいずれも同一構成
で、例えば固定接点Ｔ２のように、断面ほぼコ字形で一
端が可動接点Ｍ２に摺接可能で、かつ他端が絶縁板１に
固定されている。また、奇数側固定接点群１０はいずれ
も同一構成で、例えば固定接点Ｔ１のように、断面ほぼ
コ字形であって、固定接点Ｔ２の垂直方向の高さに比べ
て低くなるように構成されている。Each of the even-numbered fixed contact groups 11 has the same configuration. For example, like the fixed contact T2, the cross section is substantially U-shaped, and one end is slidable in contact with the movable contact M2, and the other end is fixed to the insulating plate 1. ing. Each of the odd-numbered fixed contact groups 10 has the same configuration, for example, has a substantially U-shaped cross section like the fixed contact T1, and is configured to be lower than the vertical height of the fixed contact T2. I have.
【００１１】一方、可動接点Ｍ１，Ｍ２はいずれも同一
構成であり、一対の弓形の接触子０１，０２と、両接触
子０１，０２が接離可能に連結されたピン０３と、両接
触子間に配設された接触子０１，０２同士の接触圧を高
めるためのバネ０４とから構成されている。On the other hand, each of the movable contacts M1 and M2 has the same configuration, and includes a pair of arc-shaped contacts 01 and 02, a pin 03 to which both contacts 01 and 02 are connected so as to be able to contact and separate, and a pair of contacts. A spring 04 for increasing the contact pressure between the contacts 01 and 02 disposed therebetween.
【００１２】図７は従来のタップ選択器の第２の例を示
す平面図であり、これは絶縁板１上に奇数側タップ群１
０、偶数側タップ群１１を２面に分割配置した形態を示
している。FIG. 7 is a plan view showing a second example of the conventional tap selector, which includes an odd-numbered tap group 1 on an insulating plate 1.
0, an even-numbered tap group 11 is shown divided into two planes.
【００１３】[0013]
【発明が解決しようとする課題】以上述べた従来の第１
の例では、図６から明きらかなように固定接点Ｔ１，Ｔ
３，Ｔ５，Ｔ７と、固定接点Ｔ２，Ｔ４，Ｔ６，Ｔ８は
垂直高さの異なるものを使用しなければならず、このた
め全体をコンパクト化する上で支障があり、さらに可動
接点Ｍ１，Ｍ２はそれぞれ駆動絶縁筒３、駆動絶縁軸２
により可動接点支え６，７を介して支持されるため部品
数が多く、コストダウンを図る上で支障があった。SUMMARY OF THE INVENTION The above-mentioned first conventional art
In the example shown in FIG. 6, the fixed contacts T1, T
3, T5, T7 and fixed contacts T2, T4, T6, T8 must have different vertical heights, which hinders downsizing of the whole, and furthermore, the movable contacts M1, M2 Are the drive insulating cylinder 3 and the drive insulating shaft 2, respectively.
Are supported via the movable contact supports 6 and 7, so that the number of parts is large and there is a problem in reducing costs.
【００１４】また、従来の第２の例では、図７のよう
に、絶縁板を２面に分割配置したことにより、絶縁板１
は２倍の平面積を必要とし、大形化するという課題をか
かえていた。そこで本発明は、部品数を減らし、所定の
絶縁距離を損なわずに、コンパクトでコストを削減でき
るタップ選択器を提供することを目的とする。In the second conventional example, as shown in FIG. 7, the insulating plate is divided into two surfaces so that the insulating plate 1
Needed twice the plane area and had the problem of becoming larger. Therefore, an object of the present invention is to provide a tap selector that is compact and can reduce the cost without reducing the number of components and losing a predetermined insulation distance.
【００１５】[0015]
【課題を解決するための手段】前記目的を達成するため
に、請求項１に対応する発明は、変圧器のタップ巻線に
有する複数個のタップに、各々接続され同一円周上に配
置された複数の固定接点と、前記各固定接点に接触しタ
ップ巻線のタップを選択する可動接点を有し、該可動接
点を切換えることによりタップ電圧を変更可能にしたタ
ップ選択器において、前記各固定接点のうち、所定の一
つを基準として奇数番目に配置されている固定接点と前
記可動接点からなる奇数側タップ群と、前記各固定接点
のうち、前記所定の一つを基準として偶数番目に配置さ
れている固定接点と前記可動接点からなる偶数側タップ
群に分割すると共に、前記奇数側タップ群および前記偶
数側タップ群を構成する固定接点および可動接点を同一
部材で構成し、一枚の絶縁板の一方の面に前記奇数側タ
ップ群を配置し、また該絶縁板の他方の面に偶数側タッ
プ群を配置したタップ選択器である。In order to achieve the above object, an invention according to claim 1 is provided in which a plurality of taps provided on a tap winding of a transformer are respectively connected and arranged on the same circumference. A plurality of fixed contacts, and a movable contact that contacts each of the fixed contacts and selects a tap of a tap winding, and the tap voltage can be changed by switching the movable contact. Of the contacts, an odd-numbered tap group including the fixed contacts and the movable contacts that are arranged at odd-numbered positions on the basis of a predetermined one, and even-numbered taps on the predetermined one of the fixed contacts, among the fixed contacts. The fixed contact and the movable contact forming the odd-numbered tap group and the even-numbered tap group are formed of the same member while being divided into an even-numbered tap group including the arranged fixed contact and the movable contact. Of the odd tap group on one surface of the insulating plate are arranged, also a tap selector placing the even-numbered tap groups on the other surface of the insulating plate.
【００１６】前記目的を達成するために、請求項２に対
応する発明は、変圧器タップ巻線に電気的に接続された
複数のタップに、接離可能に配設された可動接点を駆動
手段により切換えることにより、タップ電圧を変更する
タップ選択器において、固定部位に固定された絶縁板
と、前記絶縁板の対向する面の一方側であって、前記各
タップと電気的に接続され、同一円周上に互いに間隔を
存して配設された複数の奇数側固定接点と、前記絶縁板
の対向する面の他方側であって、前記各タップと電気的
に接続され、前記奇数側固定接点と同一円周上であって
前記奇数側固定接点の相互間でかつ互いに所定間隔を存
して配設された複数の偶数側固定接点と、前記絶縁板の
ほぼ中央位置に前記絶縁板と直交するように配置され、
かつ前記駆動手段により回転可能に支持され外形形状が
円形の駆動絶縁棒と、前記駆動絶縁棒の外周面で前記絶
縁板を挟んでそれぞれ固定された奇数側集電リングおよ
び偶数側集電リングと、前記奇数側集電リングおよび偶
数側集電リングにそれぞれ固定され、前記各奇数側固定
接点及び各偶数側固定接点の一端側とそれぞれ摺接折可
能で同一構成の奇数側可動接点及び偶数側可動接点と、
前記絶縁板の対向する面にそれぞれ固定され、一端側に
前記奇数側集電リングおよび偶数側集電リングとそれぞ
れ接離可能で前記可動接点と同一構成の奇数側集電子及
び偶数側集電子を有し、他端側はそれぞれ負荷側に電気
的に接続される奇数側引出端子および偶数側引出端子
と、を具備したことを特徴とするタップ選択器である。In order to achieve the above object, an invention according to claim 2 is a driving means for driving a movable contact, which is arranged to be detachable from a plurality of taps electrically connected to a transformer tap winding. In the tap selector for changing the tap voltage by switching according to the above, the insulating plate fixed to the fixed portion, one side of the opposite surface of the insulating plate, and electrically connected to each of the taps, the same A plurality of odd-numbered fixed contacts disposed at intervals on the circumference and the other side of the opposing surface of the insulating plate, which is electrically connected to each of the taps and is fixed to the odd-numbered side; A plurality of even-numbered fixed contacts arranged on the same circumference as the contacts and between the odd-numbered fixed contacts and at a predetermined interval from each other, and the insulating plate at a substantially central position of the insulating plate. Are arranged orthogonally,
A drive insulating rod rotatably supported by the driving means and having a circular outer shape, and an odd-numbered current collecting ring and an even-numbered current collecting ring fixed to the outer peripheral surface of the driving insulating bar with the insulating plate interposed therebetween. The odd-numbered movable contact and the even-numbered fixed contact are fixed to the odd-numbered current collecting ring and the even-numbered current collecting ring, respectively, and are slidably contactable with one end of each of the odd-numbered fixed contact and the even-numbered fixed contact. A movable contact,
The odd-numbered current collecting ring and the even-numbered current collecting ring having the same configuration as that of the movable contact are respectively fixed to one end of the insulating plate and can be connected to and separated from the odd-numbered current collecting ring and the even-numbered current collecting ring at one end. The tap selector further comprises an odd-numbered lead terminal and an even-numbered lead terminal electrically connected to the load side, respectively.
【００１７】請求項１または請求項２記載の発明によれ
ば、奇数側タップ群、偶数側タップ群を構成する可動接
点、固定接点を同一構成とし、一枚の絶縁板の一方の面
に奇数側固定接点群を、また絶縁板の他方の面に偶数側
固定接点群を配置し、奇数固定接点群、偶数側固定接点
群間の絶縁を絶縁板を介して構成することにより、部品
数を減らし、所定の絶縁距離を損なわずに、コンパクト
でコストを削減できる。According to the first or second aspect of the present invention, the movable contact and the fixed contact forming the odd-numbered tap group and the even-numbered tap group have the same configuration, and the odd number is formed on one surface of one insulating plate. The number of parts can be reduced by arranging the side fixed contact group and the even-numbered fixed contact group on the other surface of the insulating plate, and configuring insulation between the odd-numbered fixed contact group and the even-numbered fixed contact group via the insulating plate. It is possible to reduce the size and cost without compromising the predetermined insulation distance.
【００１８】前記目的を達成するために、請求項３に対
応する発明は、前記絶縁板がほぼ水平になるように配設
されるものであって、前記絶縁板の真上に配置される可
動接点と前記固定接点の摺接部ならびに前記集電リング
と前記集電子の摺動部に対応する位置であって前記絶縁
板に円周方向に沿って開口部を形成したことを特徴とす
る請求項１または請求項２記載のタップ選択器である。According to a third aspect of the present invention, in order to achieve the above object, the insulating plate is disposed so as to be substantially horizontal, and the movable plate is disposed directly above the insulating plate. An opening is formed in the insulating plate at a position corresponding to a sliding contact portion between a contact and the fixed contact and a sliding portion between the current collecting ring and the current collector, the opening being formed along the circumferential direction. A tap selector according to claim 1 or 2.
【００１９】請求項３に対応する発明によれば、請求項
１または請求項２の作用に加えて、水平配置をした場合
有利となるよう絶縁板の表面に配置された奇数側タップ
群の固定接点、可動接点間の摺動面の真下で、かつ円周
方向に沿って絶縁板に開口部を設けたことにより、前記
摺動面から出る金属粉が絶縁板に蓄積されるのを防ぐこ
とができる。According to the third aspect of the present invention, in addition to the operation of the first or second aspect, fixing of the odd-numbered tap group arranged on the surface of the insulating plate is advantageous in the case of horizontal arrangement. By providing an opening in the insulating plate just below the sliding surface between the contact and the movable contact and along the circumferential direction, it is possible to prevent metal powder from the sliding surface from accumulating on the insulating plate. Can be.
【００２０】前記目的を達成するために、請求項４に対
応する発明は、前記可動接点および集電子はいずれも同
一構成で、通電帯と、接点と、板バネと、取付部材と、
保持部材とからなり、前記通電帯は箔状導体を複数枚積
層しかつ前記保持部材によりそれぞれ一体に保持しかつ
曲げ荷重を受けるように構成した２組からなり、該各通
電帯の一端部はそれぞれ前記集電リングおよび前記固定
接点に前記取付部材により取り付けられ、該各通電帯の
他端部はそれぞれ接点が固着され、該２組の通電帯の接
点は前記固定接点および前記集電リングにそれぞれ摺接
するように取り付けられ、前記板バネにより前記可動接
点と前記固定接点および前記可動接点と前記集電リング
の接触力が増すようにしたことを特徴とする請求項２記
載のタップ選択器である。In order to achieve the above object, the invention according to claim 4 is characterized in that the movable contact and the current collector both have the same configuration, and include an energizing band, a contact, a leaf spring, a mounting member,
A holding member, wherein the current-carrying band comprises two sets of a plurality of foil-shaped conductors laminated and held together by the holding member and configured to receive a bending load, and one end of each of the current-carrying bands is The current collector ring and the fixed contact are respectively attached by the mounting member, and the other end of each of the current-carrying bands has a contact fixed thereto, and the contacts of the two sets of current-carrying bands are attached to the fixed contact and the current-collecting ring. The tap selector according to claim 2, wherein the tap springs are mounted so as to be in sliding contact with each other, and the leaf spring increases the contact force between the movable contact and the fixed contact, and between the movable contact and the current collecting ring. is there.
【００２１】請求項４に対応する発明によれば、請求項
１または２の作用に加えて、可動接点はタップを選択動
作する毎にその摺動面に対し円周方向に沿い正逆の曲げ
荷重を受けても、保持部材により耐えることが可能とな
る。According to a fourth aspect of the present invention, in addition to the function of the first or second aspect, each time the movable contact is operated to select a tap, the movable contact is bent in a forward / reverse direction along a circumferential direction with respect to its sliding surface. Even if a load is received, the holding member can withstand the load.
【００２２】前記目的を達成するために、請求項５に対
応する発明は、前記保持部材を薄板成形品で構成したこ
とを特徴とする請求項４記載のタップ選択器である。請
求項５に対応する発明によれば、保持板を薄板成形品で
構成することにより、安価に製作できる。According to a fifth aspect of the present invention, there is provided the tap selector according to the fourth aspect, wherein the holding member is formed of a thin plate. According to the fifth aspect of the present invention, the holding plate can be manufactured at a low cost by forming the holding plate from a thin plate molded product.
【００２３】[0023]
【発明の実施の形態】以下、本発明の実施形態につい
て、図１〜図４を参照して説明する。図１（ａ）は本発
明の実施形態を示す上面図［図１（ｂ）のＳーＳ線に沿
って切断して見た図］であり、図１（ｂ）は図１（ａ）
のＡーＡーＡ線およびＡーＡーＢ線に沿って切断した断
面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1A is a top view showing the embodiment of the present invention [a view cut along the line SS in FIG. 1B], and FIG. 1B is a view showing FIG.
3 is a cross-sectional view taken along the line AA-A and the line AA-B of FIG.
【００２４】図示しない駆動源例えば駆動電動機により
連結された駆動絶縁筒２０の外周面の上段および下段
に、それぞれ奇数側集電リング２１および偶数側集電リ
ング２２が挿入され、駆動絶縁筒２０を貫通する固定ピ
ン２３により集電リング２１，２２が駆動絶縁筒２０に
固定されている。An odd-numbered current collecting ring 21 and an even-numbered current collecting ring 22 are inserted into the upper and lower stages of the outer peripheral surface of the drive insulating cylinder 20 connected by a drive source (not shown), for example, a drive motor. The current collecting rings 21 and 22 are fixed to the drive insulating cylinder 20 by the fixing pins 23 penetrating therethrough.
【００２５】集電リング２１，２２の間には、図２に示
すように絶縁板１が配設されており、絶縁板１には円形
リングの一部を残すように開口部１ａが形成され、かつ
開口部１ａの周縁部に、図１に示すようにボルト挿通穴
１ｂが複数個形成されている。As shown in FIG. 2, an insulating plate 1 is provided between the current collecting rings 21 and 22, and an opening 1a is formed in the insulating plate 1 so as to leave a part of a circular ring. In addition, a plurality of bolt insertion holes 1b are formed in the periphery of the opening 1a as shown in FIG.
【００２６】絶縁板１の開口部１ａの外周側に、奇数側
固定接点Ｔ１，Ｔ３，Ｔ５，Ｔ７（これらを総称して奇
数側固定接点群１０と呼ぶ）ならびに偶数側固定接点Ｔ
２，Ｔ４，Ｔ６，Ｔ８（これらを総称して偶数側固定接
点群１１と呼ぶ）が、以下に述べるように放射状で等間
隔に、絶縁台３４を介してボルト３５、ナット３６によ
り配置固定されている。On the outer peripheral side of the opening 1a of the insulating plate 1, odd-numbered fixed contacts T1, T3, T5, T7 (collectively referred to as an odd-numbered fixed contact group 10) and even-numbered fixed contacts T
2, T4, T6, and T8 (these are collectively referred to as an even-numbered fixed contact group 11) are arranged and fixed radially at regular intervals by a bolt 35 and a nut 36 via an insulating stand 34 as described below. ing.
【００２７】すなわち、固定接点Ｔ１，Ｔ３，Ｔ５，Ｔ
７は、絶縁板１の上面側であって、駆動絶縁筒２０を中
心として、放射状でかつ互いに等間隔を存して配置され
ると共に、後述する可動接点Ｍ１にその先端が摺接可能
に設けられている。また、固定接点Ｔ２，Ｔ４，Ｔ６，
Ｔ８は、絶縁板１の下面側であって、駆動絶縁筒２０を
中心として、放射状でかつ互いに等間隔を存して配置さ
れると共に、あたかも絶縁板１の上面から下面を透視し
たような状態で固定接点Ｔ１，Ｔ３，Ｔ５，Ｔ７の相互
間に位置し、しかも後述する可動接点Ｍ２にその先端が
摺接可能に設けられている。That is, the fixed contacts T1, T3, T5, T
Reference numeral 7 denotes an upper surface side of the insulating plate 1, which is radially arranged around the driving insulating cylinder 20 at equal intervals, and whose tip is slidably provided on a movable contact M1 described later. Have been. In addition, fixed contacts T2, T4, T6,
T8 is a lower surface side of the insulating plate 1 and is arranged radially around the driving insulating cylinder 20 at equal intervals from each other, and as if the lower surface of the insulating plate 1 was seen through from the upper surface. The fixed contacts T1, T3, T5, and T7 are located between the fixed contacts T1, T3, and T7, and the tip thereof is slidably provided on a movable contact M2 described later.
【００２８】絶縁板１に、これに形成されているボルト
挿通穴１ｂ形成けている絶縁台２２を介して奇数側引出
導体および偶数側引出導体を取り付けるためのボルト挿
通穴１ｂが複数個形成され、さらに駆動絶縁筒２０が遊
挿されるように絶縁筒挿入穴１ｃが形成されている。A plurality of bolt insertion holes 1b for attaching odd-numbered lead conductors and even-numbered lead conductors are formed in the insulating plate 1 via the insulating base 22 formed with the bolt insertion holes 1b formed therein. An insulating cylinder insertion hole 1c is formed so that the drive insulating cylinder 20 is loosely inserted.
【００２９】集電リング２１は、それぞれ円筒状の絶縁
筒取付部２１ａと、この絶縁筒取付部２１ａの外周面の
軸方向のほぼ中央位置に外周側に延出する円板状の接点
取付部２１ｂを備えている。また、集電リング２２は、
それぞれ円筒状の絶縁筒取付部２２ａと、この絶縁筒取
付部２２ａの外周面の軸方向のほぼ中央位置に外周側に
延出する円板状の接点取付部２２ｂを備えている。集電
リング２１，２２の接点取付部２１ｂ，２２ｂの上下面
にはそれぞれ、以下に述べる可動接点Ｍ１，Ｍ２が間隔
筒２４を介してボルト２５、ナット２６により取り付け
られている。Each of the current collecting rings 21 has a cylindrical insulating tube mounting portion 21a, and a disk-shaped contact mounting portion extending to the outer peripheral side at a substantially central position in the axial direction of the outer peripheral surface of the insulating cylindrical mounting portion 21a. 21b. In addition, the current collecting ring 22
The insulating tube mounting portion 22a includes a cylindrical insulating tube mounting portion 22a and a disk-shaped contact mounting portion 22b extending to the outer peripheral side at a substantially central position in the axial direction of the outer peripheral surface of the insulating tube mounting portion 22a. Movable contacts M1 and M2 described below are mounted on the upper and lower surfaces of the contact mounting portions 21b and 22b of the current collecting rings 21 and 22 by bolts 25 and nuts 26 via spacing tubes 24, respectively.
【００３０】可動接点Ｍ１，Ｍ２はいずれも同一構成
で、図３および図４に示すように、一対の通電帯２７
と、一対の接点２８と、一対の保持部材例えば一対の保
持板２９、一対の板バネ３０、一対のサポート３１から
なっている。Each of the movable contacts M1 and M2 has the same structure, and as shown in FIGS.
And a pair of contacts 28, a pair of holding members, for example, a pair of holding plates 29, a pair of leaf springs 30, and a pair of supports 31.
【００３１】一対の通電帯２７は、いずれも薄導板例え
ば銅箔を帯状に形成しかつこれを多数枚積層したもの
で、この先端側（一端側）の互いに対向する板面には接
点２８がそれぞれ固定され、後端側（他端側）にはそれ
ぞれボルト２５に挿通するためのボルト挿通穴（図示せ
ず）が形成されている。Each of the pair of conducting strips 27 is formed by laminating a thin conductive plate, for example, a copper foil in a strip shape, and laminating a large number of the strips. Are respectively fixed, and bolt insertion holes (not shown) for inserting the bolts 25 are formed on the rear end side (the other end side).
【００３２】そして、通電帯２７の接点２８の近傍を両
側から押圧力を与えるための一対の板バネ３０が配設さ
れると共に、接点２８の近傍を両側から挟持するよう
に、図４（ａ），（ｂ），（ｃ）に示す薄型成形品から
なる一対の保持板２９が設けられ、間隔筒２４と、ボル
ト２５の頭部，ナット２６に当接して設けられている座
金３２の間に配設され、板バネ３０に形成されているボ
ルト挿入穴（図示せず）にボルト２５が挿入されてい
る。A pair of leaf springs 30 for applying a pressing force to the vicinity of the contact 28 of the conduction band 27 from both sides are disposed, and the vicinity of the contact 28 is sandwiched from both sides as shown in FIG. ), (B) and (c) are provided with a pair of holding plates 29 made of a thin molded product, between the spacing tube 24 and the washer 32 provided in contact with the head of the bolt 25 and the nut 26. The bolt 25 is inserted into a bolt insertion hole (not shown) formed in the leaf spring 30.
【００３３】なお、各保持板２９の一端部は、集電リン
グ２１，２２の接点取付部２１ｂ，２２ｂに対しては、
図３（ａ），（ｂ）、図４（ａ），（ｂ）に示すように
リベット３３により固定されている。One end of each holding plate 29 is connected to the contact mounting portions 21b and 22b of the current collecting rings 21 and 22.
As shown in FIGS. 3A and 3B and FIGS. 4A and 4B, it is fixed by rivets 33.
【００３４】さらに、絶縁板１の開口部１ａが形成され
ていない位置であって、絶縁板１の上面には絶縁台３７
を介して奇数側引出端子３８がボルト３９、ナット４０
により固定され、奇数側引出端子３８の集電リング２１
と対向する側の端部に、前述の可動接点Ｍ１，Ｍ２と同
一構成の奇数側集電子４１がボルト４２、ナット４３に
より固定され、かつ奇数側集電子４１が集電リング２１
の接点取付部２１ｂと摺接可能になっている。また、絶
縁板１の下面には絶縁台３７を介して偶数側引出端子４
４がボルト３９、ナット４０により固定され、偶数側引
出端子４４の集電リング２２と対向する側の端部に、前
述の可動接点Ｍ１，Ｍ２と同一構成の偶数側集電子４５
がボルト４６、ナット４７により固定され、偶数側引出
端子４４が集電リング２２と摺接可能になっている。Further, an insulating board 37 is provided at a position where the opening 1a of the insulating plate 1 is not formed and on the upper surface of the insulating plate 1.
Through the odd-numbered lead-out terminal 38 with the bolt 39 and the nut 40
Current collecting ring 21 of the odd-numbered lead-out terminal 38
The odd-numbered current collector 41 having the same configuration as that of the movable contacts M1 and M2 is fixed to an end portion on the side opposite to the movable contacts M1 and M2 by bolts 42 and nuts 43.
Slidable with the contact mounting portion 21b. Further, on the lower surface of the insulating plate 1, an even-numbered lead-out terminal 4 is provided via an insulating base 37.
4 is fixed by bolts 39 and nuts 40, and an even-numbered current collector 45 having the same configuration as the movable contacts M <b> 1 and M <b> 2 is provided at an end of the even-numbered extraction terminal 44 facing the current collection ring 22.
Are fixed by bolts 46 and nuts 47 so that the even-numbered lead-out terminals 44 can slide on the current collecting ring 22.
【００３５】以上述べた実施形態によれば、絶縁板１を
挟んで奇数側固定接点群１０、偶数側固定接点群１１が
配設されているので、前述した図６の従来の技術に比べ
て、コンパクト化が可能で、部品数が少なくコスト削減
が可能になる。図６の従来例では、駆動絶縁軸および駆
動絶縁筒によりそれぞれ駆動される可動接点Ｍ１，Ｍ２
の取付け高さを異ならせ、該各可動接点と一端が摺接可
能で他端が同一絶縁板に支持されるされる奇数側固定接
点群１０、偶数側固定接点群１１の垂直距離が異なって
いるので、コンパクト化が困難で、部品数が駆動絶縁
軸、駆動絶縁筒と、２枚の絶縁板１，８と多いことか
ら、この分コスト高となる。According to the embodiment described above, the odd-numbered fixed contact group 10 and the even-numbered fixed contact group 11 are provided with the insulating plate 1 interposed therebetween. In addition, the size can be reduced, the number of parts is small, and the cost can be reduced. In the conventional example shown in FIG. 6, movable contacts M1 and M2 driven by a drive insulating shaft and a drive insulating cylinder, respectively.
The vertical distances of the odd-numbered fixed contact group 10 and the even-numbered fixed contact group 11 whose one end is slidable in contact with each movable contact and whose other end is supported by the same insulating plate are different. Therefore, it is difficult to reduce the size, and the number of parts is large, that is, the drive insulating shaft, the drive insulating cylinder, and the two insulating plates 1 and 8, so that the cost increases accordingly.
【００３６】また、本実施形態によれば、ほぼ水平に配
設される絶縁板１に円周方向に沿って開口部１ａが形成
され、この開口部１ａの上方に可動接点Ｍ１と、これに
奇数側タップ群１０の一端が摺接可能に配設され、また
開口部１ａの下方に可動接点Ｍ２と、これに偶数側タッ
プ群１１の一端が摺接可能に配設されているので、可動
接点Ｍ１と奇数側タップ群１０が摺接する際に生ずる金
属粉が絶縁板１上に蓄積されないので、絶縁障害を防ぐ
ことができ、絶縁信頼性を高めることができる。Further, according to the present embodiment, the opening 1a is formed along the circumferential direction in the insulating plate 1 disposed substantially horizontally, and the movable contact M1 and the movable contact M1 are formed above the opening 1a. One end of the odd-numbered tap group 10 is slidably disposed, and the movable contact M2 is provided below the opening 1a. One end of the even-numbered tap group 11 is slidably disposed on the movable contact M2. Since the metal powder generated when the contact M1 slides on the odd-numbered tap group 10 does not accumulate on the insulating plate 1, insulation failure can be prevented, and insulation reliability can be improved.
【００３７】さらに、可動接点Ｍ１，Ｍ２および集電子
４１，４５は、板バネ３０のバネカが有効に作用するよ
うに例えば複数の銅箔を積層した通電帯２７の接点２８
の近傍を両側から狭持するように保持板２９を設けてい
るので、タップ選択動作する毎に受ける円周方向に沿っ
た正逆の曲げ荷重に耐えることができ、この結果強固な
可動接点Ｍ１，Ｍ２および集電子４１，４５を得ること
ができる。また、保持板２９は安価な薄型成形品で構成
されているので、コストを削減できる。Further, the movable contacts M1 and M2 and the current collectors 41 and 45 are formed of, for example, the contacts 28 of the conduction band 27 in which a plurality of copper foils are laminated so that the spring of the leaf spring 30 works effectively.
The holding plate 29 is provided so as to hold the vicinity of the front side from both sides, so that it can withstand the forward and reverse bending loads in the circumferential direction received every time the tap selection operation is performed, and as a result, the strong movable contact M1 , M2 and current collectors 41 and 45 can be obtained. Further, since the holding plate 29 is made of an inexpensive thin molded product, the cost can be reduced.
【００３８】[0038]
【発明の効果】以上説明した本発明によれば、奇数側タ
ップ群、偶数側タップ群を構成する固定接点及び可動接
点を同一部材で構成でき、一枚の絶縁板の表・裏、両面
に配置してるので、コンパクト化になり、かつ部品数を
削減できる結果、安価で、また固定接点及び可動接点か
ら生ずる金属粉が絶縁板に蓄積するのを防ぐことがで
き、絶縁信頼性を高めたタップ選択器を提供することが
できる。According to the present invention described above, the fixed contact and the movable contact constituting the odd-numbered tap group and the even-numbered tap group can be constituted by the same member, and can be provided on the front, back and both sides of one insulating plate. The arrangement reduces the size and the number of parts.As a result, it is inexpensive, and the metal powder generated from the fixed contacts and the movable contacts can be prevented from accumulating on the insulating plate, thereby improving the insulation reliability. A tap selector can be provided.
【図１】（ａ）は本発明の実施形態の概略構成を示す上
面図であり、（ｂ）は（ａ）のＡーＡーＡ線並びにＡー
ＡーＢ線に沿って切断した断面図。FIG. 1A is a top view showing a schematic configuration of an embodiment of the present invention, and FIG. 1B is a cross-section taken along line AAA and line AAB in FIG. FIG.
【図２】図１の絶縁板を示す平面図。FIG. 2 is a plan view showing the insulating plate of FIG. 1;
【図３】（ａ）は図１の通電帯および保持板の上面図で
あり、（ｂ）は（ａ）のＹーＹ線に沿って切断した断面
図。FIG. 3A is a top view of a conduction band and a holding plate of FIG. 1, and FIG. 3B is a cross-sectional view taken along line YY of FIG.
【図４】（ａ）は図１および図３（ｂ）の集電リングと
保持板の関係を示す平面図であり、（ｂ）は図４（ａ）
のＸーＸ線に沿って切断した断面図であり、（ｃ）は図
４（ｂ）の矢印Ｗ方向に見た保持板の正面図。FIG. 4A is a plan view showing a relationship between a current collecting ring and a holding plate of FIGS. 1 and 3B, and FIG. 4B is a plan view of FIG.
FIG. 5C is a cross-sectional view taken along the line XX of FIG. 4, and FIG. 4C is a front view of the holding plate as viewed in the direction of arrow W in FIG.
【図５】通常のタップ選択器の回路図。FIG. 5 is a circuit diagram of a normal tap selector.
【図６】（ａ）は従来のタップ選択器の第１の例を示す
上面図であり、（ｂ）は図６（ａ）のＣーＤーＥに沿っ
て切断した断面図。FIG. 6A is a top view showing a first example of a conventional tap selector, and FIG. 6B is a cross-sectional view taken along a line C-D of FIG. 6A.
【図７】従来のタップ選択器の第２の例を示す上面図。FIG. 7 is a top view showing a second example of a conventional tap selector.
１…絶縁板、２…開口部、３，３ａ，３ｂ…集電リン
グ、４…通電帯、５…保持板、６…板バネ、７…接点、
８…サポート、９…ボルト、１０…奇数側タップ群、１
１…偶数側タップ群、１２…ナット、１３…座金、１４
…リベット、２０…駆動絶縁筒、２１…固定ピン、２２
…絶縁台、２３…奇数側集電子、２４…偶数側集電子、
２５…奇数側引出端子、２６…偶数側引出端子、ＴＷ１
…主巻線、ＴＷ２…タップ巻線、Ｍ１…奇数側可動接
点、Ｍ２…偶数側可動接点、Ｓ１，Ｓ２…切換スイッ
チ、Ｔ１，Ｔ３，Ｔ５，Ｔ７…奇数側タップ固定接点、
Ｔ２，Ｔ４，Ｔ６，Ｔ８…偶数側タップ固定接点。DESCRIPTION OF SYMBOLS 1 ... Insulating plate, 2 ... Opening, 3, 3a, 3b ... Current collection ring, 4 ... Current supply band, 5 ... Holding plate, 6 ... Leaf spring, 7 ... Contact,
8 ... Support, 9 ... Bolt, 10 ... Odd side tap group, 1
DESCRIPTION OF SYMBOLS 1 ... Even side tap group, 12 ... Nut, 13 ... Washer, 14
... Rivets, 20 ... Drive insulating cylinder, 21 ... Fixing pins, 22
... Insulation stand, 23 ... Odd-side current collector, 24 ... Even-side current collector,
25: odd-numbered lead-out terminal, 26: even-numbered lead-out terminal, TW1
... Main winding, TW2 tap winding, M1 odd-numbered movable contact, M2 even-numbered movable contact, S1, S2 changeover switch, T1, T3, T5, T7 odd-numbered tap fixed contact
T2, T4, T6, T8: Even-number tap fixed contacts.
Claims (5)
ップに、各々接続され同一円周上に配置された複数の固
定接点と、前記各固定接点に接触しタップ巻線のタップ
を選択する可動接点を有し、該可動接点を切換えること
によりタップ電圧を変更可能にしたタップ選択器におい
て、 前記各固定接点のうち、所定の一つを基準として奇数番
目に配置されている固定接点と前記可動接点からなる奇
数側タップ群と、前記各固定接点のうち、前記所定の一
つを基準として偶数番目に配置されている固定接点と前
記可動接点からなる偶数側タップ群に分割すると共に、
前記奇数側タップ群および前記偶数側タップ群を構成す
る固定接点および可動接点を同一部材で構成し、一枚の
絶縁板の一方の面に前記奇数側タップ群を配置し、また
該絶縁板の他方の面に偶数側タップ群を配置したことを
特徴とするタップ選択器。1. A plurality of fixed contacts connected to a plurality of taps of a tap winding of a transformer and arranged on the same circumference, and a tap of a tap winding is selected by contacting each of the fixed contacts. A tap selector that has a movable contact that makes the tap voltage changeable by switching the movable contact, wherein, among the fixed contacts, fixed contacts arranged at odd-numbered positions with reference to a predetermined one. The odd-numbered tap group including the movable contacts, and among the fixed contacts, while dividing into the even-numbered tap group including the fixed contacts and the movable contacts that are arranged at even-numbered positions based on the predetermined one,
The fixed contact and the movable contact constituting the odd-numbered tap group and the even-numbered tap group are formed of the same member, and the odd-numbered tap group is arranged on one surface of one insulating plate. A tap selector, wherein an even-numbered tap group is arranged on the other surface.
複数のタップに、接離可能に配設された可動接点を駆動
手段により切換えることにより、タップ電圧を変更する
タップ選択器において、 固定部位に固定された絶縁板と、 前記絶縁板の対向する面の一方側であって、前記各タッ
プと電気的に接続され、同一円周上に互いに間隔を存し
て配設された複数の奇数側固定接点と、 前記絶縁板の対向する面の他方側であって、前記各タッ
プと電気的に接続され、前記奇数側固定接点と同一円周
上であって前記奇数側固定接点の相互間でかつ互いに所
定間隔を存して配設された複数の偶数側固定接点と、 前記絶縁板のほぼ中央位置に前記絶縁板と直交するよう
に配置され、かつ前記駆動手段により回転可能に支持さ
れ外形形状が円形の駆動絶縁棒と、 前記駆動絶縁棒の外周面で前記絶縁板を挟んでそれぞれ
固定された奇数側集電リングおよび偶数側集電リング
と、 前記奇数側集電リングおよび偶数側集電リングにそれぞ
れ固定され、前記各奇数側固定接点及び各偶数側固定接
点の一端側とそれぞれ摺接折可能で同一構成の奇数側可
動接点及び偶数側可動接点と、 前記絶縁板の対向する面にそれぞれ固定され、一端側に
前記奇数側集電リングおよび偶数側集電リングとそれぞ
れ接離可能で前記可動接点と同一構成の奇数側集電子及
び偶数側集電子を有し、他端側はそれぞれ負荷側に電気
的に接続される奇数側引出端子および偶数側引出端子
と、 を具備したことを特徴とするタップ選択器。2. A tap selector for changing a tap voltage by switching a movable contact, which is detachably provided to a plurality of taps electrically connected to a transformer tap winding, by a driving means, An insulating plate fixed to a fixing portion; and a plurality of insulating plates which are electrically connected to the respective taps on one side of the facing surface of the insulating plate and which are arranged at intervals from each other on the same circumference. The odd-numbered fixed contact, the other side of the opposing surface of the insulating plate, electrically connected to each of the taps, on the same circumference as the odd-numbered fixed contact, of the odd-numbered fixed contact A plurality of even-numbered fixed contacts arranged at a predetermined distance from each other and arranged at a substantially central position of the insulating plate so as to be orthogonal to the insulating plate, and rotatable by the driving means; Driving insulating rod with a circular outer shape supported An odd-numbered current collecting ring and an even-numbered current collecting ring fixed to the outer peripheral surface of the drive insulating rod with the insulating plate interposed therebetween, and fixed to the odd-numbered current collecting ring and the even-numbered current collecting ring, respectively; The odd-numbered movable contact and the even-numbered movable contact of the same configuration that are slidable and foldable with one end of each of the odd-numbered fixed contact and the even-numbered fixed contact, respectively, are fixed to opposing surfaces of the insulating plate, and are fixed to one end. The odd-numbered current collecting ring and the even-numbered current collecting ring have an odd-numbered current collector and an even-numbered current collector having the same configuration as that of the movable contact, and the other end is electrically connected to the load side. A tap selector comprising: an odd-numbered extraction terminal and an even-numbered extraction terminal.
されるものであって、前記絶縁板の真上に配置される可
動接点と前記固定接点の摺接部ならびに前記集電リング
と前記集電子の摺動部に対応する位置であって前記絶縁
板に円周方向に沿って開口部を形成したことを特徴とす
る請求項１または請求項２記載のタップ選択器。3. The apparatus according to claim 1, wherein the insulating plate is disposed so as to be substantially horizontal, and a sliding contact portion between the movable contact and the fixed contact disposed directly above the insulating plate and the current collecting ring. The tap selector according to claim 1, wherein an opening is formed in the insulating plate at a position corresponding to a sliding portion of the current collector, the opening being formed along a circumferential direction.
一構成で、通電帯と、接点と、板バネと、取付部材と、
保持部材とからなり、前記通電帯は箔状導体を複数枚積
層しかつ前記保持部材によりそれぞれ一体に保持しかつ
曲げ荷重を受けるように構成した２組からなり、該各通
電帯の一端部はそれぞれ前記集電リングおよび前記固定
接点に前記取付部材により取り付けられ、該各通電帯の
他端部はそれぞれ接点が固着され、該２組の通電帯の接
点は前記固定接点および前記集電リングにそれぞれ摺接
するように取り付けられ、前記板バネにより前記可動接
点と前記固定接点および前記可動接点と前記集電リング
の接触力が増すようにしたことを特徴とする請求項２記
載のタップ選択器。4. The movable contact and the current collector have the same configuration, and include an energizing band, a contact, a leaf spring, a mounting member,
A holding member, wherein the current-carrying band comprises two sets of a plurality of foil-shaped conductors laminated and held together by the holding member and configured to receive a bending load, and one end of each of the current-carrying bands is The current collector ring and the fixed contact are respectively attached by the mounting member, and the other end of each of the current-carrying bands has a contact fixed thereto, and the contacts of the two sets of current-carrying bands are attached to the fixed contact and the current-collecting ring. The tap selector according to claim 2, wherein the tap springs are mounted so as to be in sliding contact with each other, and the leaf springs increase contact forces between the movable contact and the fixed contact, and between the movable contact and the current collecting ring.
とを特徴とする請求項４記載のタップ選択器。5. The tap selector according to claim 4, wherein said holding member is formed of a thin plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32456197A JP4034392B2 (en) | 1997-11-26 | 1997-11-26 | Tap selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32456197A JP4034392B2 (en) | 1997-11-26 | 1997-11-26 | Tap selector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11162753A true JPH11162753A (en) | 1999-06-18 |
| JP4034392B2 JP4034392B2 (en) | 2008-01-16 |
Family
ID=18167195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32456197A Expired - Fee Related JP4034392B2 (en) | 1997-11-26 | 1997-11-26 | Tap selector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4034392B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015515137A (en) * | 2012-04-20 | 2015-05-21 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Distribution transformer for voltage regulation of local grid |
| JP2015517218A (en) * | 2012-04-20 | 2015-06-18 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Load tap changer |
| JP2015517219A (en) * | 2012-04-20 | 2015-06-18 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Load tap changer |
| JP2019509634A (en) * | 2016-03-11 | 2019-04-04 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Selector for on-load tap changer, and on-load tap changer with load changer and selector |
-
1997
- 1997-11-26 JP JP32456197A patent/JP4034392B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015515137A (en) * | 2012-04-20 | 2015-05-21 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Distribution transformer for voltage regulation of local grid |
| JP2015517218A (en) * | 2012-04-20 | 2015-06-18 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Load tap changer |
| JP2015517219A (en) * | 2012-04-20 | 2015-06-18 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Load tap changer |
| JP2019509634A (en) * | 2016-03-11 | 2019-04-04 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Selector for on-load tap changer, and on-load tap changer with load changer and selector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4034392B2 (en) | 2008-01-16 |
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