JPH0728488B2 - Ring main switchgear - Google Patents
Ring main switchgearInfo
- Publication number
- JPH0728488B2 JPH0728488B2 JP14749083A JP14749083A JPH0728488B2 JP H0728488 B2 JPH0728488 B2 JP H0728488B2 JP 14749083 A JP14749083 A JP 14749083A JP 14749083 A JP14749083 A JP 14749083A JP H0728488 B2 JPH0728488 B2 JP H0728488B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- ring main
- bushing
- distribution network
- switch
- 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
Landscapes
- Gas-Insulated Switchgears (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
【発明の詳細な説明】 この発明はリング状に形成された配電回路網におけるリ
ング状回路網の回路の切替えと、負荷側への電気供給お
よび系統のトラブル保護を行なうリングメイン開閉装置
に関するものである。The present invention relates to a ring main switchgear for switching circuits in a ring-shaped network in a distribution network formed in a ring shape, supplying electricity to a load side and protecting a system from trouble. is there.
リング状に形成された配電回路網は第1図に示す単線回
路図の様に構成されており、、負荷側に対する電気供給
の安定化を目的としたものである。即ち、上位変圧器
(1)によつて供給された電気は、しや断器(2)を介
してリング状に接続された配電回路網(3)に流され
る。通常、このリング状の配電回路網(3)は閉ループ
とせず、配電回路網(3)内に設けられたスイツチ
(4)〜(11)のいずれかのを開いて開ループとしてい
る。第1図の例では、スイツチ(9)及び(10)を開い
ている。この配電回路網(3)から負荷側への電気の供
給は、配電回路網(3)内のスイツチ間、例えばスイツ
チ(4),(5)間よりさらにヒユーズスイツチ(12)
を経てヒユーズ(16)を介し下位の変圧器(20)に給電
し負荷側に電気の供給が行われる。以下、同様に配電回
路網(3)内の各スイツチ(6),(7)、(8),
(9)、(10),(11)にも、全てヒユーズスイツチ
(13),(14),(15)、ヒユーズ(17),(18),
(19)、下位の変圧器(21),(22),(23)が接続さ
れそれぞれ負荷側への電気の供給が行われる。The ring-shaped power distribution network is configured as shown in the single-line circuit diagram in FIG. 1, and is intended to stabilize the electric power supply to the load side. That is, the electricity supplied by the upper transformer (1) is sent to the distribution network (3) connected in a ring shape through the breaker (2). Usually, the ring-shaped distribution network (3) is not closed loop, but any of the switches (4) to (11) provided in the distribution network (3) is opened to be an open loop. In the example of FIG. 1, the switches (9) and (10) are open. The supply of electricity from the distribution network (3) to the load side is performed further between fuses in the distribution network (3), for example, between fuses (4) and (5).
After that, power is supplied to the lower transformer (20) through the fuse (16) to supply electricity to the load side. Hereinafter, similarly, each switch (6), (7), (8), in the distribution network (3),
Also in (9), (10) and (11), all of the fuse switches (13), (14), (15), the fuse (17), (18),
(19), the lower transformers (21), (22), (23) are connected to supply electricity to the load side.
このように構成される配電回路網(3)に使用されるス
イツチ(4),(5)とヒユーズスイツチ(12)とヒユ
ーズ(16)を組合せたユニツトをリングメイン開閉装置
(24)として1体に取扱い、配電回路網(3)内にそれ
ぞれ(25),(26),(27)として配置し、負荷側への
電気供給とヒユーズによる負荷側のトラブル保護を行う
ものである。A unit, which is a combination of the switches (4), (5) and the fuse switch (12) and the fuse (16) used in the power distribution network (3) configured as above, is used as the ring main switchgear (24). The power supply is provided to the load side and is placed as (25), (26) and (27) in the power distribution network (3), respectively, to protect the load side from electricity supply and load trouble.
従来のリングメイン開閉装置はスイツチ類を油スイツチ
または気中スイツチで構成しヒユーズで保護していた
為、装置全体が大きくなり、またヒユーズ溶断時の復旧
は人手で行わなければならない等の欠点を有していた。In the conventional ring main switchgear, which consists of oil switches or air switches and protects them with fuses, the entire device becomes large, and there are drawbacks such as recovery from fuses having to be done manually. Had.
この発明は上記従来のものの欠点を除去するためになさ
れたもので、スイツチを、例えばSF6ガス中に封入し、
真空しや断器を保護用として適用することにより、小形
で、かつ事故トリツプ時の復旧を遠方制御できるリング
メイン開閉装置を提供することを目的としている。The present invention was made to eliminate the above-mentioned drawbacks of the conventional ones. For example, a switch is enclosed in SF 6 gas,
It is an object of the present invention to provide a ring main switchgear which is small in size and capable of remotely controlling recovery in the event of an accident trip by applying a vacuum and a breaker for protection.
以下、この発明の一実施例におけるリングメイン開閉装
置を図について説明する。第2図および第3図におい
て、(28)は機器を収納しSF6ガスが封入される密閉容
器、(29),(30)は内部に端子(31),(32)が埋め
込まれたブツシング端子で、密閉容器(28)を貫通して
設けられている。(33),(34)は負荷開閉器(48),
(49)を構成するスイツチブレード(37),(38)の固
定側軸受で、軸(35),(36)を介してスイツチブレー
ド(37),(38)を回動自在に支持している。(39),
(40)は絶縁リングで操作レバー(41),(42)とスイ
ツチブレード(37),(38)とを結合し、負荷開閉器操
作軸(43),(44)の動作をスイツチブレード(37),
(38)に伝達し、負荷開閉器(48),(49)の開閉動作
を行う。(45)は2対の負荷開閉器(48),(49)を結
合する母線でスイツチブレード(37),(38)と直接係
合する位置に配置されている。(46)は母線(45)を固
着している碍子で密閉容器(28)に取付けられている。
(47)は負荷側への接続をする為の接続端子で、母線
(45)と共に碍子(46)に取付けられている。(50)は
真空しや断器で容器の取付台(51),(52)の上に固着
され真空スイツチ管(53)を内蔵している。(54)は真
空スイツチ管(53)の可動端子でシヤント(55)を介し
てフレーム(64)に固着された断路器軸受端子(56)に
接続されている。(57)は断路器軸受端子(56)に設け
られた軸で断路器(62)のスイツチブレード(58)の固
定側軸受を形成している。(59)は絶縁リンクで操作レ
バー(60)とスイツチブレード(58)を結合し操作軸
(61)の操作によつてスイツチブレード(58)の開閉動
作を行う。(3)は真空しや断器(50)の固定側端子で
フレーム(64)に固着され真空スイツチ管(53)と接続
されている。(65)は接続導体で密閉容器(28)の後部
に固着されたブツシング端子(66)の端子(67)に接続
されている。(68),(69),(70)は接地端子でそれ
ぞれ負荷開閉器(48),(49)、断路器(62)を接地す
る場合に接続する端子である。A ring main opening / closing device according to an embodiment of the present invention will be described below with reference to the drawings. 2 and 3, (28) is a hermetically-sealed container that houses the equipment and SF 6 gas is sealed, and (29) and (30) are bushings in which terminals (31) and (32) are embedded. The terminal is provided so as to penetrate the closed container (28). (33) and (34) are load switches (48),
Fixed side bearings of the switch blades (37) and (38) forming (49) rotatably support the switch blades (37) and (38) via shafts (35) and (36). . (39),
An insulating ring (40) connects the operation levers (41), (42) and the switch blades (37), (38) to each other so that the operation of the load switch operation shafts (43), (44) is performed by the switch blades (37). ),
It is transmitted to (38) and the load switches (48) and (49) are opened and closed. Reference numeral (45) is a bus bar connecting the two pairs of load switches (48), (49) and is arranged at a position where it directly engages with the switch blades (37), (38). (46) is an insulator to which the bus bar (45) is fixed, and is attached to the closed container (28).
Reference numeral (47) is a connection terminal for connection to the load side, which is attached to the insulator (46) together with the bus bar (45). (50) has a built-in vacuum switch tube (53) fixed to the container mounting bases (51) and (52) by vacuuming or disconnecting. (54) is a movable terminal of the vacuum switch pipe (53), and is connected via a shunt (55) to a disconnector bearing terminal (56) fixed to the frame (64). Reference numeral (57) is a shaft provided in the disconnector bearing terminal (56), and forms a fixed bearing of the switch blade (58) of the disconnector (62). An insulation link (59) connects the operation lever (60) and the switch blade (58) and operates the operation shaft (61) to open and close the switch blade (58). (3) is a vacuum side or a fixed side terminal of the breaker (50), which is fixed to the frame (64) and connected to the vacuum switch pipe (53). Reference numeral (65) is a connecting conductor, which is connected to the terminal (67) of the bushing terminal (66) fixed to the rear portion of the closed container (28). Reference numerals (68), (69) and (70) are ground terminals, which are terminals to be connected when the load switches (48), (49) and the disconnect switch (62) are grounded, respectively.
上記のように構成されたリングメイン開閉装置は、下部
のブツシング端子(29),(30)の端子(31),(32)
に配電回路網を接続し、負荷開閉器(48),449)を母線
(45)に接続することにより配電回路網のループを形成
し、断路器(62)を接続端子(47)に接続し真空しや断
器(50)を投入することにより後部のブツシング端子
(66)の端子(67)より負荷側への電気の供給が行われ
る。The ring main switchgear configured as described above has terminals (31), (32) of the lower bushing terminals (29), (30).
The distribution network is connected to and the load switch (48), 449) is connected to the bus bar (45) to form a loop of the distribution network, and the disconnector (62) is connected to the connection terminal (47). Electricity is supplied from the terminal (67) of the rear bushing terminal (66) to the load side by turning on a vacuum or a breaker (50).
以上のようにこの発明によれば、負荷開閉器を絶縁ガス
中に封入し、真空しや断器を保護用として適用すること
により、低圧力で絶縁強度を向上させ、かつしや断性能
を向上させて小形化を可能とし、リングメイン開閉装置
の主目的であるトリツプ事故時の回路切替えによる復旧
を速やかにできるという効果がある。As described above, according to the present invention, by enclosing the load switch in the insulating gas, applying the vacuum or the breaker for protection, the insulation strength is improved at a low pressure, and the breaking performance is improved. There is an effect that the size can be improved and the size can be reduced, and the main purpose of the ring main switchgear can be quickly restored by switching the circuit in the case of a trip accident.
第1図はリングメイン配電回路網の一般的な代表例を示
す単線回路図、第2図および第3図はこの発明の一実施
例におけるリングメイン開閉装置の内部構造図および一
部断面側面図を示す。 (3)……配電回路網、(28)……密閉容器、(29),
(30)……ブツシング端子、(48),(49)……負荷開
閉器、(50)……真空しや断器、(62)……断路器、
(66)……ブツシング端子。 なお、各図中同一符号は同一または相当部分を示す。FIG. 1 is a single-line circuit diagram showing a general representative example of a ring main power distribution network, and FIGS. 2 and 3 are internal structural views and partial sectional side views of a ring main switchgear according to an embodiment of the present invention. Indicates. (3) …… Distribution network, (28) …… Closed container, (29),
(30) …… Bushing terminal, (48), (49) …… Load switch, (50) …… Vacuum or breaker, (62) …… Disconnector,
(66) …… Bushing terminal. In the drawings, the same reference numerals indicate the same or corresponding parts.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭57−129106(JP,A) 特開 昭56−117511(JP,A) 特開 昭55−61217(JP,A) 特開 昭57−156607(JP,A) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-57-129106 (JP, A) JP-A-56-117511 (JP, A) JP-A-55-61217 (JP, A) JP-A-57- 156607 (JP, A)
Claims (3)
閉容器を貫通して各相にそれぞれ設けられ、リング状に
形成された配電回路網に接続される1対の第1のブッシ
ング端子および各相にそれぞれ設けられる第2のブッシ
ング端子と、上記密閉容器内に設けられ上記第2のブッ
シング端子に一方の端子が接続される真空しゃ断器と、
一方の端子が上記第1のブッシング端子にそれぞれ接続
されると共に他方の端子が上記真空しゃ断器の他方の端
子に断路器を介してそれぞれ接続される各相1対の負荷
開閉器とを備えたことを特徴とするリングメイン開閉装
置。1. A hermetically sealed container in which an insulating gas is sealed, and a pair of first bushing terminals which penetrate the hermetically sealed container and are provided for each phase and are connected to a ring-shaped power distribution network. And a second bushing terminal provided in each phase, and a vacuum breaker provided in the closed container and having one terminal connected to the second bushing terminal,
A pair of load switches each having one terminal connected to the first bushing terminal and the other terminal connected to the other terminal of the vacuum circuit breaker via a disconnector; A ring main opening / closing device characterized in that
する特許請求の範囲第1項記載のリングメイン開閉装
置。2. The ring main switchgear according to claim 1, wherein the insulating gas is SF 6 gas.
ことを特徴とする特許請求の範囲第1項記載のリングメ
イン開閉装置。3. The ring main switchgear according to claim 1, wherein the load switch and the disconnector can be grounded.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14749083A JPH0728488B2 (en) | 1983-08-10 | 1983-08-10 | Ring main switchgear |
DE19843421265 DE3421265A1 (en) | 1983-06-10 | 1984-06-07 | SWITCHGEAR |
GB08414875A GB2143089B (en) | 1983-06-10 | 1984-06-11 | Switchgear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14749083A JPH0728488B2 (en) | 1983-08-10 | 1983-08-10 | Ring main switchgear |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6039319A JPS6039319A (en) | 1985-03-01 |
JPH0728488B2 true JPH0728488B2 (en) | 1995-03-29 |
Family
ID=15431567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14749083A Expired - Lifetime JPH0728488B2 (en) | 1983-06-10 | 1983-08-10 | Ring main switchgear |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0728488B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04355629A (en) * | 1991-06-04 | 1992-12-09 | Mitsubishi Electric Corp | Loop branch switch |
US5584356A (en) * | 1995-05-31 | 1996-12-17 | Kidde Industries, Inc. | Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform |
EP1256621B1 (en) | 2001-05-08 | 2011-07-13 | Kao Corporation | Liquid detergent composition |
JP5767937B2 (en) * | 2011-10-19 | 2015-08-26 | 新電元工業株式会社 | Interlock structure |
JP5934547B2 (en) * | 2012-03-29 | 2016-06-15 | 新電元工業株式会社 | Interlock structure |
CN105703257B (en) * | 2016-04-18 | 2017-03-15 | 广东求精电气有限公司 | Solid insulation ring main unit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56117511A (en) * | 1980-02-19 | 1981-09-16 | Kansai Electric Power Co | Gas insulated switch |
-
1983
- 1983-08-10 JP JP14749083A patent/JPH0728488B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6039319A (en) | 1985-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2843702A (en) | Protective device with current limiting means | |
JPH0728488B2 (en) | Ring main switchgear | |
JP2790892B2 (en) | Gas insulated switchgear | |
US2385658A (en) | Circuit-interrupting device | |
JP4223988B2 (en) | Power system protection circuit | |
CN218447429U (en) | Novel combined transformer | |
WO2017197577A1 (en) | Air insulated vacuum load switch device | |
CN219739759U (en) | Upper isolation environment-friendly gas cabinet | |
CN212625352U (en) | Fuse-type arc extinguishing type high-voltage isolating switch | |
JP3119125B2 (en) | Gas insulated transmission line | |
JPH0635611Y2 (en) | Gas insulated switchgear | |
JPH0530617A (en) | Gas insulated switchgear | |
CN207234271U (en) | A kind of novel environment friendly gas-insulated switchgear | |
KR100346913B1 (en) | Auto switchgear of stumbing block | |
KR100295903B1 (en) | Apparatus for holding power fuse in load break switch | |
JPS6245483Y2 (en) | ||
JPH08168124A (en) | Switchgear | |
JPS6342437Y2 (en) | ||
JPS5816008B2 (en) | gas | |
JPS5932163Y2 (en) | Equal pressure submersible switchboard | |
KR200156759Y1 (en) | Circuit breaker | |
KR100479438B1 (en) | Air circuit breakers | |
Odom | Low Magnitude, Non-Violent, Fault Clearing Devides for Use with Current Limiting Fuses | |
JPS6024642B2 (en) | Equal pressure submersible switchboard | |
JPS59230424A (en) | Ring main switching device |