JP2626187B2 - Internal partitioning equipment for stationary electrical equipment - Google Patents
Internal partitioning equipment for stationary electrical equipmentInfo
- Publication number
- JP2626187B2 JP2626187B2 JP16520390A JP16520390A JP2626187B2 JP 2626187 B2 JP2626187 B2 JP 2626187B2 JP 16520390 A JP16520390 A JP 16520390A JP 16520390 A JP16520390 A JP 16520390A JP 2626187 B2 JP2626187 B2 JP 2626187B2
- Authority
- JP
- Japan
- Prior art keywords
- lead connection
- connection terminals
- chamber
- lead
- equipment
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は機器タンク内に、機器本体を収納する機器
本体室とタップ切換器を収納する電圧調整器室とを区画
する内部仕切装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an internal partitioning device that divides, in a device tank, a device body room that houses a device body and a voltage regulator room that houses a tap changer.
従来、タップ切換器付変圧器の変圧器本体を収納する
部分とタップ切換器等の電圧調整器を収納する部分との
間には、第５図に符号10で示す如き板状の内部仕切装置
が設けられていた。同図において、１は変圧器の巻線、
鉄心を収納する変圧器本体、２は変圧器本体のタップ巻
線から引き出されたタップリード、３は電圧調整器室
（以下、TCという）、４は電圧調整器、５は電圧調整器
４側のリード、６は変圧器タンク、８は内部仕切装置10
に設けたリード接続端子であり、その配置を第６図に示
す。９は内部仕切装置10を支える支持体である。Conventionally, a plate-shaped internal partitioning device as indicated by reference numeral 10 in FIG. 5 is provided between a portion accommodating a transformer main body of a transformer with a tap changer and a portion accommodating a voltage regulator such as a tap changer. Was provided. In the figure, 1 is a winding of a transformer,
The transformer main body that houses the iron core, 2 is a tap lead drawn from the tap winding of the transformer main body, 3 is a voltage regulator room (hereinafter referred to as TC), 4 is a voltage regulator, 5 is a voltage regulator 4 side , 6 is a transformer tank, 8 is an internal partitioning device 10
The arrangement of the lead connection terminals is shown in FIG. 9 is a support for supporting the internal partitioning device 10.
第４図は高圧巻線群の中性点側に極性切換タップ切換
器の設置した変圧器の部分構成を示したものてある。同
図において、21は高圧巻線、22はタップ巻線、23はタッ
プ選択器、24は極性切換器である。FIG. 4 shows a partial configuration of a transformer in which a polarity switching tap changer is installed on the neutral point side of the high voltage winding group. In the figure, 21 is a high-voltage winding, 22 is a tap winding, 23 is a tap selector, and 24 is a polarity switch.
従来の内部仕切装置10は板体であるために、タップリ
ードの如く数10本という多数のリードを接続するリード
接続端子８を設ける場合、その板面積を相当に大きくせ
ざるを得ず、極端な場合には、仕切装置10の外径が変圧
器タンク外壁寸法より大きくなってしまい、仕切装置の
設置が不可能になる場合もでてくる。Since the conventional internal partitioning device 10 is a plate, when the lead connecting terminals 8 for connecting a large number of tens of leads such as tap leads are provided, the plate area has to be considerably increased. In such a case, the outer diameter of the partitioning device 10 may be larger than the dimension of the outer wall of the transformer tank, which may make it impossible to install the partitioning device.
また仕切装置10の面積が大きくなると、TC室３の点検
後、絶縁媒体（例えば絶縁油）充填に先立って行われる
真空引きの際に、仕切装置10にかかる圧力や、内部事故
で発生した分解ガスによる圧力上昇などの外力が生じた
場合の機械的強度確保のために、板厚を増加しなくては
ならなくなる。In addition, if the area of the partitioning device 10 becomes large, the pressure applied to the partitioning device 10 during the evacuation performed before the filling of the insulating medium (for example, insulating oil) after the inspection of the TC chamber 3 or the disassembly caused by an internal accident may occur. In order to secure mechanical strength when an external force such as a pressure increase due to gas is generated, the plate thickness must be increased.
この発明は上記のような問題を解消するためになされ
たもので、従来に比して、小型、軽量にすることがで
き、かつ充分な機械的強度を持たせることができる静止
型電気機器の内部仕切装置を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is intended to provide a static electric device that can be made smaller, lighter, and have sufficient mechanical strength as compared with the related art. It is intended to provide an internal partition device.
この発明は上記目的を達成するため、内部仕切装置
が、開口端を一方の室に、底を他方の室に向けて支持さ
れた有底円筒形状であって、タップ巻線のリードと切換
器の対応するリードとを接続する複数のリード接続端子
を周方向に所定間隔を隔てて備える構成としたものであ
る。According to the present invention, in order to achieve the above object, an internal partitioning device has a bottomed cylindrical shape with an open end supported in one chamber and a bottom directed to the other chamber, and a lead of a tap winding and a switch. And a plurality of lead connection terminals for connecting to corresponding leads at predetermined intervals in the circumferential direction.
請求項２では、仕切装置の底が１もしくは複数のリー
ド接続端子を設けた鏡板を有する構成とし、 請求項３では、最高電位リード接続端子から最低電位
リード接続端子に向かって電位が低くなる順に並ぶ左方
列と右方列のリード接続端子を有し、この左方列と右方
列の隣接するリード接続端子間の電位差が最大２タップ
分である構成とした。According to the second aspect, the bottom of the partition device has a head plate provided with one or a plurality of lead connection terminals. In the third aspect, the potential decreases from the highest potential lead connection terminal to the lowest potential lead connection terminal. The left and right rows of lead connection terminals are arranged side by side, and the potential difference between adjacent lead connection terminals in the left and right rows is a maximum of two taps.
この発明では，内部仕切装置が、筒状であるので、板
状である場合よりも前記した外力に対して高い強度を有
し、リード接続端子を仕切装置の周方向に配列するの
で、配設可能なリード接続端子の数が増大し、更に、各
リード接続端子間の電位差を可能な限り低くおさえるこ
とができる。In the present invention, since the internal partitioning device is cylindrical, it has higher strength against the above-mentioned external force than in the case of a plate shape, and the lead connection terminals are arranged in the circumferential direction of the partitioning device. The number of possible lead connection terminals is increased, and the potential difference between each lead connection terminal can be kept as low as possible.
以下、この発明の一実施例を図面を参照して説明す
る。Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図において、７は内部仕切装置であって、一端開
口の円筒形状を有しており、開口7A端をTC室３側に、底
7B側を変圧器本体室１に向けて支持体９で支持されてい
る。この仕切装置７には、第２図に示す如く、リード接
続端子８が、周方向に所定間隔を隔てて、かつ、１列も
しくは複数列に設けられており、このリード接続端子８
に接続されるタップ巻線22のタップリードの接続順序を
第３図（ａ）、第３図（ｂ）に示す。In FIG. 1, reference numeral 7 denotes an internal partitioning device which has a cylindrical shape with one end opening, and has an opening 7A end at the TC room 3 side and a bottom.
The supporting body 9 is supported with the 7B side facing the transformer main chamber 1. As shown in FIG. 2, the partitioning device 7 is provided with lead connection terminals 8 at predetermined intervals in the circumferential direction and in one or more rows.
3 (a) and 3 (b) show the connection order of the tap leads of the tap winding 22 connected to.
第３図（ａ）では、対地電位タップ巻線の最高電圧端
子からのタップリードを接続するリード接続端子（＋）
80+から最低電圧端子からのタップリードを接続するリ
ード接続端子（−）80-に向かって、左方側と右方側に
複数のリード接続端子が並んでおり、リード接続端子
（＋）80+に隣接する左方列のリード接続端子82と右方
列のリード接続端子81に次の高電位側の２つのタップリ
ードをそれぞれ接続し、最低電圧端子からのタップリー
ドを接続するリード接続端子（−）80-に隣接する左方
列のリード接続端子8n-1と右方列のリード接続端子8nに
次の低電位側の２つのタップリードをそれぞれ接続し、
各リード接続端子間に最大２タップ分以下の電位差が加
わるように、最高電圧リード接続端子を中心として対地
電位の順で周壁に交互にリード接続端子を配列してあ
り、このようにすることにより、各リード接続端子間の
電位差を可能な限り低くおさえている。In FIG. 3 (a), a lead connection terminal (+) for connecting a tap lead from the highest voltage terminal of the ground potential tap winding.
8 lead connection terminals for connecting the tap leads from the lowest voltage terminal from 0+ (-) toward the 8 0, is a sequence of a plurality of lead connection terminals on the left side and the right side, the lead connecting terminal (+ ) 8 0+ to the lead connecting terminals 8 1 lead connecting terminal 82 and the right column of the left adjacent rows next high-potential side of the two tap leads connected respectively to taps leads from the lowest voltage terminal lead connection terminals for connecting (-) 8 0 to the two taps leads of adjacent left column lead connecting terminals 8 n-1 and the right column lead connecting terminals 8 n to the next low potential side of the respectively connected ,
The lead connection terminals are arranged alternately on the peripheral wall in the order of the ground potential centering on the highest voltage lead connection terminal so that a potential difference of not more than 2 taps is applied between each lead connection terminal. The potential difference between the lead connection terminals is kept as low as possible.
なお、この例では、高圧巻線の接地側リードＯは仕切
装置７外でブッシング等を介して変圧器本体からTC室３
へ引き出されるが、第３図（ｂ）に示すように、仕切装
置７の底内面の絶縁物で形成した鏡板の中央に接地側リ
ード用リード接続端子800を配置して、端子間絶縁距離
を確保するようにしてもよい。In this example, the grounding-side lead O of the high-voltage winding is connected to the TC room 3 from the transformer body via a bushing or the like outside the partitioning device 7.
As shown in FIG. 3 (b), the ground-side lead lead connection terminal 800 is disposed at the center of the end plate made of an insulator on the bottom inner surface of the partitioning device 7, and the insulation distance between the terminals is established. May be secured.
このように、本実施例の内部仕切装置７は筒状である
ので、板状である場合よりも前記した外力に対して高い
強度を有し、その肉厚を薄くすることができ、また、リ
ード接続端子を仕切装置７の周方向に配列するので、配
設可能なリード接続端子の数が増大する。更に、リード
接続端子とタンプリードとの関係を第３図（ａ）や
（ｂ）のようにすれば各リード接続端子間の電位差を可
能な限り低くおさえることができるので、端子間の所要
絶縁間隔を小さくすることができ、仕切装置７を小型化
することができる。As described above, since the internal partitioning device 7 of the present embodiment is cylindrical, it has a higher strength against the above-mentioned external force than the case where it is plate-shaped, and its thickness can be reduced. Since the lead connection terminals are arranged in the circumferential direction of the partition device 7, the number of lead connection terminals that can be arranged increases. Further, if the relation between the lead connection terminals and the tamped leads is as shown in FIGS. 3 (a) and 3 (b), the potential difference between the respective lead connection terminals can be kept as low as possible. Can be reduced, and the partitioning device 7 can be reduced in size.
なお、上記実施例は変圧器の場合であるが、コンデン
サやリアクトルなとの他の静止型電気機器に本発明を実
施して同様の効果を得ることができる。Although the above embodiment is a case of a transformer, the same effect can be obtained by implementing the present invention on other static electric devices such as a capacitor and a reactor.
この発明は以上説明した通り、仕切装置の形状を筒状
としたことにより、板状である場合に比して機械的強度
が高いので、肉厚を薄くして軽量にすることができ、リ
ード接続端子を周方向に配列するので、リード接続端子
の配設可能な数が多く、リード接続端子間の電位差を可
能な限り低くすることができるので、一層の小型・軽量
化が可能となる。As described above, according to the present invention, since the shape of the partition device is cylindrical, the mechanical strength is higher than in the case of a plate shape, so that the thickness can be reduced and the weight can be reduced. Since the connection terminals are arranged in the circumferential direction, the number of lead connection terminals that can be arranged is large, and the potential difference between the lead connection terminals can be made as low as possible, so that further reduction in size and weight can be achieved.
第１図はこの発明の実施例を示す断面図、第２図は上記
実施例におけるリード接続端子の配列を平面的に示た
図、第３図（ａ）と（ｂ）は上記実施例におけるリード
接続端子と高圧巻線のタップリードとの関係を示す図、
第４図は高圧巻線の中性点に極性切換タップ切換器を接
地した変圧器の部分構成図第５図は従来の内部仕切装置
を示す断面図、第６図は上記従来例におけるリード接続
端子の配列を示す図である。 図において、１……変圧器本体室、２、５……タップリ
ード、３……電圧調整器室、６……変圧器タンク、７…
…内部仕切装置、7A……開口、7B……底、８、800〜8n
……リード接続端子、９……支持体、 なお、図中、同一符号は同一または相部分を示す。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a plan view showing an arrangement of lead connection terminals in the above embodiment, and FIGS. 3 (a) and 3 (b) are views in the above embodiment. Diagram showing the relationship between the lead connection terminal and the tap lead of the high-voltage winding,
FIG. 4 is a partial structural view of a transformer in which a polarity switching tap changer is grounded at a neutral point of a high voltage winding. FIG. 5 is a sectional view showing a conventional internal partitioning device. FIG. It is a figure showing arrangement of a terminal. In the figure, 1... Transformer main room, 2, 5... Tap lead, 3... Voltage regulator room, 6... Transformer tank, 7.
... inner partition device, 7A ...... opening, 7B ...... bottom, 8, 8 00 to 8 n
... Lead connection terminals, 9... Supports, In the drawings, the same reference numerals indicate the same or phase portions.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉田 和夫 兵庫県赤穂市天和651番地 三菱電機株 式会社赤穂製作所内 (72)発明者 不破 靖 兵庫県赤穂市天和651番地 三菱電機株 式会社赤穂製作所内 (56)参考文献 特開 昭63−204607（ＪＰ，Ａ) 実開 昭60−109315（ＪＰ，Ｕ) 実開 昭59−96816（ＪＰ，Ｕ) ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kazuo Yoshida 651 Tenwa, Ako-shi, Hyogo Mitsubishi Electric Corporation Inside Ako Works (72) Inventor Yasushi Fuwa 651 Tenwa, Ako-shi, Hyogo Mitsubishi Electric Corporation Inside Ako Works (56) References JP-A-63-204607 (JP, A) JP-A-60-109315 (JP, U) JP-A-59-96816 (JP, U)
Claims (3)
本体室とタップ切換器を収納する電圧調整器室とを区画
する内部仕切装置が、開口端を一方の室に、底を他方の
室に向けて支持された有底円筒形状であって、タップ巻
線のリードと切換器の対応するリードとを接続する複数
のリード接続端子を、周方向に所定間隔を隔てて１列も
しくは複数列備えることを特徴とする静止型電気機器の
内部仕切装置。An internal partitioning device for partitioning an equipment main body chamber for housing an equipment main body and a voltage regulator chamber for housing a tap changer in an equipment tank has an open end in one chamber and a bottom in the other chamber. A plurality of lead connection terminals having a bottomed cylindrical shape supported toward the chamber and connecting the leads of the tap winding and the corresponding leads of the switch are arranged in a row or at a predetermined interval in the circumferential direction. An internal partition device for a static electric device, comprising: a plurality of rows;
続端子を設けた鏡板を有していることを特徴とする請求
項１記載の静止型電気機器の内部仕切装置。2. The internal partition device of a static electric device according to claim 1, wherein the bottom of the partition device has a head plate provided with one or a plurality of lead connection terminals.
ド接続端子に向かって電位が低くなる順に並ぶ左方列と
右方列のリード接続端子を有し、この左方列と右方列の
隣接するリード接続端子間の電位差が最大２タップ分で
あることを特徴とする請求項１または２記載の静止型電
気機器の内部仕切装置。3. The semiconductor device according to claim 1, further comprising left and right rows of lead connection terminals arranged in order of decreasing potential from the highest potential lead connection terminal to the lowest potential lead connection terminal, and adjacent to the left and right columns. 3. The internal partition device for a static electric device according to claim 1, wherein the potential difference between the lead connection terminals is at most two taps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16520390A JP2626187B2 (en) | 1990-06-21 | 1990-06-21 | Internal partitioning equipment for stationary electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16520390A JP2626187B2 (en) | 1990-06-21 | 1990-06-21 | Internal partitioning equipment for stationary electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0456114A JPH0456114A (en) | 1992-02-24 |
| JP2626187B2 true JP2626187B2 (en) | 1997-07-02 |
Family
ID=15807801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16520390A Expired - Lifetime JP2626187B2 (en) | 1990-06-21 | 1990-06-21 | Internal partitioning equipment for stationary electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2626187B2 (en) |
-
1990
- 1990-06-21 JP JP16520390A patent/JP2626187B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0456114A (en) | 1992-02-24 |
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