JPH0122330Y2 - - Google Patents
Info
- Publication number
- JPH0122330Y2 JPH0122330Y2 JP15152683U JP15152683U JPH0122330Y2 JP H0122330 Y2 JPH0122330 Y2 JP H0122330Y2 JP 15152683 U JP15152683 U JP 15152683U JP 15152683 U JP15152683 U JP 15152683U JP H0122330 Y2 JPH0122330 Y2 JP H0122330Y2
- Authority
- JP
- Japan
- Prior art keywords
- power transmission
- gas insulated
- lead
- insulated switchgear
- gas
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000007935 neutral effect Effects 0.000 claims description 12
- 230000000452 restraining effect Effects 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
- Insulators (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【考案の詳細な説明】
〔考案の技術分野〕
本考案は交直変換所における電力送電端構造に
係り、特に、ガス絶縁開閉装置の効果的な配置に
関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a power transmission end structure in an AC/DC converter station, and particularly relates to an effective arrangement of a gas-insulated switchgear.
長距離の大電力輸送、あるいは、離島への海底
ケーブルによる電力輸送として直流送電が行なわ
れる一方、この直流送電に際して設備の高信頼度
化、交直変換所のスペースの縮少化を図るために
ガス絶縁開閉装置が使用される。
While DC power transmission is used to transport large amounts of power over long distances or to remote islands via submarine cables, gas is being used to improve the reliability of equipment and reduce the space required for AC/DC conversion stations. Insulated switchgear is used.
第１図はこ種の送電を行う代表的な交直変換所
における電力変換系統機器の単線結線図で、正負
各１回線の直流送電を行うとき、交流回路と連繁
を図る開閉機器１にはそれぞれ変圧器２を介して
２台の変換装置３が接続されると共に、その出力
端が断路器を介して直列接続されている。また、
これらの変換装置３の一方の出力端、すなわち、
正極にはリアクトル４、避雷器５およびフイルタ
６を介して正極用のガス絶縁開閉装置７Ｐが接続
され、他方の出力端、すなわち、負極にはリアク
トル４、避雷器５およびフイルタ６を介して負極
用のガス絶縁開閉装置７Ｎが接続されており、さ
らに、変換装置３の出力端の相互接合点、すなわ
ち、中性点極には断路器を介して中性点極用のガ
ス絶縁開閉装置７ｎが接続されている。 Figure 1 is a single-line diagram of power conversion system equipment at a typical AC/DC converter station that performs this type of power transmission. Two converters 3 are connected to each other via a transformer 2, and their output ends are connected in series via a disconnector. Also,
One output end of these conversion devices 3, i.e.
A gas insulated switchgear 7P for the positive electrode is connected to the positive electrode via a reactor 4, a lightning arrester 5, and a filter 6, and a gas insulated switchgear 7P for the positive electrode is connected to the other output terminal, that is, a negative electrode via a reactor 4, a lightning arrester 5, and a filter 6. A gas insulated switchgear 7N is connected, and a gas insulated switchgear 7n for the neutral pole is further connected to the mutual junction point of the output end of the converter 3, that is, the neutral pole via a disconnector. has been done.
これらのガス絶縁開閉装置はそれぞれ引込ブツ
シング７１、線路用避雷器７２、電流変成器７
４、断路器７５および接地開閉器７６を備えてお
り、特に、正極用および負極用のガス絶縁開閉装
置７Ｐおよび７Ｎはこの他に電圧変成器７３を備
えている。 These gas insulated switchgears each include a lead-in bushing 71, a line lightning arrester 72, and a current transformer 7.
4, a disconnector 75 and a grounding switch 76, and in particular, the gas insulated switchgear 7P and 7N for the positive and negative electrodes are further equipped with a voltage transformer 73.
一方、これらのガス絶縁開閉装置は変換所内の
直流送電線路と接続しやすい場所に配置されるた
め、フイルタ６とはガス絶縁母線または電力ケー
ブルによつて接続される。 On the other hand, since these gas insulated switchgears are arranged at locations where they can be easily connected to the DC power transmission line within the conversion station, they are connected to the filter 6 via a gas insulated bus or a power cable.
ところで、この第１図から明らかなように、中
性点極用のガス絶縁開閉装置７ｎは、正極用およ
び負極用のガス絶縁開閉装置７Ｐおよび７Ｎの中
央に配置されており、引込ブツシング７１を直流
送電線に接続する場合もこの順に互いに離隔させ
て後述する引込架構部の支持碍子に接続されてい
た。このため、引留鉄構が大形化すると同時に設
置面積も拡がり、ガス絶縁器を採用してスペース
の縮少化を図る障害になつていた。 By the way, as is clear from FIG. 1, the gas insulated switchgear 7n for the neutral point is arranged at the center of the gas insulated switchgears 7P and 7N for the positive and negative electrodes, and the retractable bushing 71 is When connecting to a DC power transmission line, they were connected in this order to supporting insulators of a lead-in frame section, which will be described later, while being spaced apart from each other. As a result, the size of the restraining steel structure has increased and the installation area has also expanded, creating an obstacle to reducing space by using gas insulators.
〔考案の概要〕
本考案はかかる欠点を除去する目的でなされた
もので、正極用、負極用および中性点極用のガス
絶縁開閉装置を引留鉄構の鉄柱の並び方向に列状
に配設すると共に、この鉄柱に最も近い位置に中
性点極用のガス絶縁開閉装置を配設し、各々の引
込ブツシングを引込架構部の支持碍子を介して架
空送電線に接続することによつて、引留鉄構の小
形化およびその設置スペースの縮少化を図り得る
交直変換所における電力送電端構造を提案するも
のである。[Summary of the invention] The present invention was made with the aim of eliminating such drawbacks, and consists of arranging gas-insulated switchgears for positive electrodes, negative electrodes, and neutral point electrodes in a row in the direction in which the steel columns of the restraining steel structure are lined up. At the same time, a gas-insulated switchgear for the neutral point is installed at the position closest to the steel pole, and each lead-in bushing is connected to the overhead power line via the support insulator of the lead-in frame. This paper proposes a power transmission terminal structure in an AC/DC converter station that can reduce the size of the restraining steel structure and the installation space.
第２図ａ〜ｃはこの考案の一実施例を示す平面
図、正面図およびＡ−Ａ矢視側面図である。引留
鉄構１０は鉄柱１０ａと引込架構部１０ｂとでア
ーチ形をなし、鉄柱１０ａが並ぶ方向、すなわ
ち、引込架構部１０ｂの長手方向に３台のガス絶
縁開閉装置が正極用７Ｐ、負極用７Ｎおよび中性
点極用７ｎの順に配設されており、それぞれの引
込ブツシング７１は上方の引込架構部１０ｂに向
けられると共に、引込架構部１０ｂに取付けられ
た引留用の支持碍子１１、懸垂碍子１２を介して
架空送電線１３に接続されている。直流送電にあ
つては、正極および負極は高電圧であることか
ら、送電線１３は互いに絶縁距離Ｌだけ離される
ため、これに対応してガス絶縁開閉装置７Ｐ，７
Ｎおよび７ｎもまた離隔配置される他、正極用お
よび負極用のガス絶縁開閉装置７Ｐおよび７Ｎは
鉄柱１０ａに対しても絶縁距離Ｌだけ離さなけれ
ばならない。これに対して中性点極用の架空送電
線１３およびガス絶縁開閉器７ｎは接地電位にあ
り、絶縁が必要な場合でも30号程度でよいことか
ら、鉄柱１０ａとは絶縁距離ｌ（ｌ＜Ｌ）があれ
ば十分である。
FIGS. 2a to 2c are a plan view, a front view, and a side view taken along the line A-A, showing an embodiment of this invention. The restraining steel structure 10 has an arch shape with the iron pillars 10a and the retractable frame part 10b, and three gas insulated switchgears are installed in the direction in which the iron pillars 10a are lined up, that is, in the longitudinal direction of the retractable frame part 10b, 7P for the positive electrode and 7N for the negative electrode. and neutral point pole 7n, and each retractable bushing 71 is directed toward the upper retractable frame part 10b, and a supporting insulator 11 and a suspension insulator 12 for retaining are attached to the retractable frame part 10b. It is connected to the overhead power transmission line 13 via. In the case of DC power transmission, since the positive and negative electrodes are at high voltage, the power transmission lines 13 are separated from each other by an insulation distance L, so gas insulated switchgear 7P, 7
In addition to the gas insulated switchgears 7P and 7N for the positive and negative electrodes, they must also be separated by an insulation distance L from the iron pole 10a. On the other hand, the overhead power transmission line 13 and the gas insulated switch 7n for the neutral point are at ground potential, and even if insulation is required, the insulation distance is about 30, so the insulation distance from the steel pole 10a is l (l< L) is sufficient.
しかして、中性点極用のガス絶縁開閉装置７ｎ
を正極用のガス絶縁開閉装置７Ｐおよび負極用の
ガス絶縁開閉装置７Ｎの中央に配置する従来の電
力送電端構造にあつては、鉄柱間隔すなわち引留
鉄構の幅として４×Ｌ必要であつたが、第２図に
示す如く、中性点極用のガス絶縁開閉装置７ｎを
端に持つてきた場合の引留鉄構の幅は３×Ｌ＋ｌ
で済むことから、引留鉄構の小形化と併せて据付
面積も縮少される。 Therefore, the gas insulated switchgear 7n for the neutral point pole
In the conventional power transmission end structure in which the electrode is placed in the center of the gas insulated switchgear 7P for the positive electrode and the gas insulated switchgear 7N for the negative electrode, 4×L was required as the steel column spacing, that is, the width of the restraining steel structure. However, as shown in Figure 2, when the gas insulated switchgear 7n for the neutral pole is held at the end, the width of the restraining steel structure is 3 x L + l.
This reduces the installation area as well as downsizing the restraining steel structure.
なお、上記実施例では、１回線の直流送電系に
ついて説明したが、２回線以上の直流送電系に対
しても同様にして本考案を適用することができ
る。 In the above embodiment, a single-line DC power transmission system has been described, but the present invention can be similarly applied to a DC power transmission system with two or more lines.
以上の説明によつて明らかな如く、本考案によ
ればガス絶縁開閉装置を引込架構部の鉄柱の並ぶ
方向に列状に配設すると共に、この鉄柱に最も近
い位置に中性点極用のガス絶縁開閉装置を配設し
ているので、引留鉄構の小形化およびその設置ス
ペースの縮少化を実現し得るという効果が得られ
る。
As is clear from the above explanation, according to the present invention, the gas insulated switchgear is arranged in a row in the direction in which the steel columns of the lead-in frame are lined up, and a neutral point pole is installed at the position closest to the steel columns. Since the gas insulated switchgear is provided, it is possible to reduce the size of the restraining steel structure and the installation space thereof.
第１図は直流送電を行う代表的な交直変換所に
おける電力変換系統機器の結線図、第２図ａ〜ｃ
は本考案の一実施例の構成を示す平面図、正面図
および側面図である。
７Ｐ，７Ｎ，７ｎ……ガス絶縁開閉装置、１０
……引留鉄構、１０ａ……鉄柱、１０ｂ……引込
架構部、１１……支持碍子、１３……架空送電
線、７１……引込ブツシング。
Figure 1 is a wiring diagram of power conversion system equipment at a typical AC/DC converter station that transmits DC power, and Figures 2 a to c
1 is a plan view, a front view, and a side view showing the configuration of an embodiment of the present invention. 7P, 7N, 7n...Gas insulated switchgear, 10
. . . Detention steel structure, 10a . . . Steel pole, 10b .
Claims (1)
ブツシングを有する正極用、負極用および中性点
極用のガス絶縁開閉装置を、引留鉄構の鉄柱の並
ぶ方向に列状に配設すると共に、前記鉄柱に最も
近い位置に中性点極用の前記ガス絶縁開閉装置を
配設し、前記引込ブツシングを前記引留鉄構の引
込架構部に設けた支持碍子を介して架空送電線に
接続したことを特徴とする交直変換所における電
力送電端構造。 Gas-insulated switchgears for the positive electrode, negative electrode, and neutral point each having a lead-in bushing that can be connected to an overhead power transmission line in the air are arranged in a row in the direction in which the steel columns of the restraining steel structure are lined up. , the gas insulated switchgear for the neutral pole was arranged at a position closest to the steel pole, and the lead-in bushing was connected to the overhead power transmission line via a support insulator provided in the lead-in frame part of the restraining steel structure. A power transmission end structure in an AC/DC converter station characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15152683U JPS6059710U (en) | 1983-09-28 | 1983-09-28 | Power transmission end structure at AC/DC converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15152683U JPS6059710U (en) | 1983-09-28 | 1983-09-28 | Power transmission end structure at AC/DC converter station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6059710U JPS6059710U (en) | 1985-04-25 |
| JPH0122330Y2 true JPH0122330Y2 (en) | 1989-06-30 |
Family
ID=30335752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15152683U Granted JPS6059710U (en) | 1983-09-28 | 1983-09-28 | Power transmission end structure at AC/DC converter station |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6059710U (en) |
-
1983
- 1983-09-28 JP JP15152683U patent/JPS6059710U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6059710U (en) | 1985-04-25 |
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