JPH0635611Y2 - Gas insulated switchgear - Google Patents
Gas insulated switchgearInfo
- Publication number
- JPH0635611Y2 JPH0635611Y2 JP1987037362U JP3736287U JPH0635611Y2 JP H0635611 Y2 JPH0635611 Y2 JP H0635611Y2 JP 1987037362 U JP1987037362 U JP 1987037362U JP 3736287 U JP3736287 U JP 3736287U JP H0635611 Y2 JPH0635611 Y2 JP H0635611Y2
- Authority
- JP
- Japan
- Prior art keywords
- disconnector
- transformer
- accident
- line
- circuit breaker
- 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
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- Gas-Insulated Switchgears (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、常用・予備2回線受電,2電力需給用計器用
変成器,変圧器2バンク構成のガス絶縁開閉装置に関す
る。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a gas-insulated switchgear having a normal / spare two-line power reception, a transformer for meters for power supply and demand, and a two-bank transformer.
従来、この種ガス絶縁開閉装置は、第5図に示すような
構成になつている。Conventionally, this type of gas insulated switchgear has a structure as shown in FIG.
すなわち、同図において、(1A)および(1B)は遮断器
室であり、それぞれ常用回線および予備回線の遮断器
(CB),主回路断路器(DS1),(DS2),遮断器用接地
開閉器(ES1),(ES2)等の線路側機器と、変圧器1次
側の断路器(DS3)および接地開閉器(ES3)とを絶縁ガ
スが封入された密閉容器内に収納して構成されている。That is, in the figure, (1A) and (1B) are circuit breaker rooms, and the circuit breaker (CB) for the normal line and the backup line, the main circuit disconnector (DS 1 ), (DS 2 ), and the ground for the circuit breaker, respectively. Line side devices such as switches (ES 1 ) and (ES 2 ) and the disconnector (DS 3 ) and ground switch (ES 3 ) on the primary side of the transformer are placed in a closed container filled with insulating gas. It is configured to be stored.
(2A),(2B)は両回線毎に設けられた電力需給用計器
用変成器(以下MOFという)であり、それぞれの入力側
および出力側が、遮断器室(1A),(1B)よりブツシン
グを介して引き出された遮断器(CB)の負荷側端子およ
び断路器(DS2)の電源側端子にそれぞれ接続されてお
り、それぞれの接続導体が遮断器室(1A),(1B)とMO
F(2A),(2B)間を連結した管路(3A),(3B)内に
収納され、該管路(3A),(3B)内に絶縁ガス(または
絶縁油)が封入されている。(2A) and (2B) are power supply and demand instrument transformers (hereinafter referred to as MOFs) provided for both lines, and the input side and output side of each are connected from the circuit breaker rooms (1A) and (1B). Connected to the load side terminal of the circuit breaker (CB) and the power source side terminal of the disconnector (DS 2 ), and their respective connecting conductors are connected to the circuit breaker chambers (1A), (1B) and MO.
F (2A) and (2B) are connected to each other in a conduit (3A) and (3B), and an insulating gas (or insulating oil) is enclosed in the conduits (3A) and (3B). .
(4)は両遮断器室(1A),(1B)よりそれぞれブツシ
ングを介して引き出された変圧器1次断路器(DS3)の
それぞれの電源側端子間を接続した接続導体であり、両
遮断器室(1A),(1B)間を連結し内部に絶縁ガス(ま
たは絶縁油)が封入された管路(5)内に収納されてい
る。(4) is a connection conductor that connects between the power supply side terminals of the transformer primary disconnector (DS 3 ) drawn out from both circuit breaker chambers (1A) and (1B) via bushings. The circuit breaker chambers (1A) and (1B) are connected to each other and housed in a pipe line (5) in which an insulating gas (or insulating oil) is sealed.
(Tr1),(Tr2)は第1バンク,第2バンク変圧器であ
り、それぞれの1次側が両遮断器室(1A),(1B)より
ブツシングを介して引き出された断路器(DS3)の負荷
側端子にそれぞれ接続されており、この接続導体がそれ
ぞれ、遮断器室(1A),(1B)と変圧器(Tr1),(T
r2)とをそれぞれ連結し内部に絶縁ガス(または絶縁
油)が封入された管路(6A),(6B)内に収納されてい
る。(Tr 1 ) and (Tr 2 ) are the first and second bank transformers, and the primary side of each of them is a disconnector (DS) drawn from both circuit breaker chambers (1A) and (1B) via bushing. 3 ) are respectively connected to the load side terminals, and these connecting conductors are respectively connected to the breaker chambers (1A), (1B) and the transformers (Tr 1 ), (T
r 2 ) are connected to each other and are housed in pipe lines (6A) and (6B) in which insulating gas (or insulating oil) is enclosed.
そして、常用,予備の一方の回線により、両変圧器(Tr
1),(Tr2)の一方が断路器(DS3)を介して,他方が
接続導体(4)および断路器(DS3)を介してそれぞれ
通電され、並列運転される。Then, the transformer (Tr
1), (Tr 2) while via a disconnecting switch (DS 3) of, are energized respectively through the other connection conductor (4) and disconnecting switch to (DS 3), are operated in parallel.
なお、従来の他の例としては、両遮断器室(1A),(1
B)と両変圧器(Tr1),(Tr2)とのそれぞれの接続を
ケーブルによつて行なうようにしたものもある。As another conventional example, both circuit breaker chambers (1A), (1A)
There is also one in which each transformer (B) and both transformers (Tr 1 ) and (Tr 2 ) are connected by a cable.
ところが、前述のようなガス絶縁開閉装置では、常用,
予備のいずれか一方の回線において、変圧器1次側機器
である断路器(DS3),接地開閉器(ES3)に事故が発生
すると、両回線の遮断器(CB)を切にし、断路器(D
S1),(DS2)オフ,接地開閉器(ES1),(ES2)オン
にそれぞれ操作したのち、事故機器を取り外し、事故復
旧する必要がある。However, in the gas-insulated switchgear described above,
If an accident occurs in the disconnector (DS 3 ) or the earthing switch (ES 3 ) that is the transformer primary side device in either one of the spare lines, turn off the circuit breaker (CB) in both lines and disconnect the circuit. Bowl (D
S 1), (DS 2) off, earthing switch (ES 1), After manipulation respectively (ES 2) on, remove the accident equipment, it is necessary to Restoration.
しかし、この事故復旧の間、事故回線側の変圧器は勿
論、正常回線側の変圧器も運転停止となり、停電を余儀
なくされ、停電復旧に非常に多くの時間を要する欠点が
ある。However, during the recovery from the accident, not only the transformer on the side of the accident line but also the transformer on the normal line is shut down, forcing a power outage, and it takes a very long time to restore the power outage.
また、変圧器1次側機器が遮断器(CB)を含む線路側機
器とともに同一の遮断器室(1A),(1B)内に収納され
るため、変圧器1次側機器の事故時に、線路側機器に事
故が波及することがあり、事故復旧,停電復旧をさらに
長びかせる結果となる。In addition, since the transformer primary side device is housed in the same circuit breaker room (1A), (1B) together with the line side device including the circuit breaker (CB), in the event of an accident of the transformer primary side device, the line An accident may spread to the side equipment, resulting in a longer delay in accident recovery and power outage recovery.
さらに、事故時の停電復旧は緊急性を要するため、事故
機器およびこれを収納した遮断器室を短時間で恒久復旧
しなければならず、作業時に遮断器室内にごみ等が入り
やすく、品質管理が困難な欠点を有している。Furthermore, since restoration of a power outage in an accident requires urgency, the accident equipment and the circuit breaker room that houses it must be permanently restored in a short period of time. Has a difficult drawback.
この考案は、前記従来欠点を解消するためになされたも
のであり、遮断器,MOFおよび変圧器1次断路器をそれぞ
れ有する常用回線および予備回線を備えた常用・予備2
回線受電変圧器2バンク構成のガス絶縁開閉装置におい
て、 前記各回線毎に設けられそれぞれ前記断路器を収納した
変圧器1次断路器室と、前記両断路器室にそれぞれ設け
られ前記断路器の電源側および負荷側にそれぞれ接続さ
れた連絡用ブツシングおよび変圧器用ブツシングと、前
記両連絡用ブツシング間を接続した連絡用ケーブルと、
2台の変圧器の1次側にそれぞれケーブルを介して接続
され通常は前記両変圧器用ブツシングにそれぞれ接続さ
れるとともに一方の前記断路器室内の事故時に前記連絡
用ケーブルを外して他方の前記断路器室の前記両ブツシ
ングにそれぞれ接続されるコネクタとを備えたものであ
る。The present invention has been made in order to solve the above-mentioned drawbacks of the prior art, and has a service line and a backup line 2 each having a service line and a protection line having a circuit breaker, a MOF and a transformer primary disconnector, respectively.
In a gas-insulated switchgear with a two-bank line receiving transformer, a transformer primary disconnector chamber that is provided for each of the lines and that accommodates the disconnector, and a disconnector that is provided in each of the disconnector chambers. A contact bushing and a transformer bushing respectively connected to the power supply side and the load side, and a communication cable connecting between the both communication bushings,
It is connected to the primary side of each of the two transformers via a cable, and is normally connected to each of the transformer bushings, and at the time of an accident in one of the disconnector chambers, the connecting cable is removed to disconnect the other disconnector. And a connector connected to each of the bushings in the chamber.
したがつて、この考案によれば、常用,予備のいずれか
一方の回線における変圧器1次断路器室内の事故時、両
断路器室のそれぞれの連絡用ブツシング間より連絡用ケ
ーブルを取り外したのち、事故回線側の変圧器のコネク
タを、事故回路側の変圧器用ブツシングより外して正常
回線側の連絡用ブツシングに接続することにより、2台
の変圧器のそれぞれのコネクタが正常回路側の断路器室
における両ブツシングにそれぞれ接続され、両変圧器の
並列運転が可能となり、応急的に停電復旧することがで
きる。Therefore, according to the present invention, in the event of an accident in the transformer primary disconnector chamber in either the regular or spare line, after disconnecting the connecting cable from the connecting bushings in both disconnector chambers, , The connector of the transformer on the fault line side is removed from the transformer bushing on the fault circuit side and connected to the contact bushing on the normal line side so that each connector of the two transformers is a disconnector on the normal circuit side. Connected to both bushings in the room respectively, both transformers can be operated in parallel and power can be restored in an emergency.
なお、回線毎の変圧器1次断路器は、それぞれ断路器室
に収納され、遮断器を含む線路側機器とは独立している
ため、断路器室内の事故が他へ波及することはない。Since the transformer primary disconnector for each line is housed in the disconnector room and is independent of the equipment on the line side including the circuit breaker, the accident in the disconnector room does not spread to others.
つぎに、この考案を、その1実施例を示した第1図ない
し第4図とともに詳細に説明する。Next, the present invention will be described in detail with reference to FIGS. 1 to 4 showing the first embodiment.
これらの図面において、(7A)および(7B)は常用回線
側および予備回線側の遮断器室であり、それぞれ、概略
構成を示す第3図のように、ベース(8A),(8B)上の
一側部に配置されている。In these drawings, (7A) and (7B) are the circuit breaker rooms on the normal line side and the standby line side, respectively, on the bases (8A) and (8B) as shown in FIG. It is located on one side.
この遮断器室(7A),(7B)内にはそれぞれ、たとえば
SF6ガスが封入され、遮断器(CB)の電源側の断路器(D
S1),接地開閉器(ES1)および遮断器(CB)の負荷側
の変流器(CT)が収納されており、遮断器室(7A),
(7B)の上面に断路器(DS1)の電源側端子に接続され
た受電ブツシング(9A),(9B)が設けられ、これにそ
れぞれ常用回線,予備回線の給電コネクタ(10A),(1
0B)が接続されている。In the circuit breaker chambers (7A) and (7B), for example,
SF 6 gas is filled, and the disconnector (D
S 1 ), earthing switch (ES 1 ) and load side current transformer (CT) of the circuit breaker (CB) are stored in the circuit breaker room (7A),
Power receiving bushings (9A) and (9B) connected to the power supply side terminal of the disconnecting switch (DS 1 ) are provided on the upper surface of (7B), and power supply connectors (10A) and (1
0B) is connected.
また、両ベース(8A),(8B)上の中央部には、回線毎
のMOF(2A),(2B)が設置されている。MOFs (2A) and (2B) for each line are installed in the center of both bases (8A) and (8B).
(11A),(11B)はMOF(2A),(2B)のそれぞれの上
部に設けられたMOF上部室であり、たとえばSF6ガスが封
入され、遮断器(CB)の負荷側の断路器(DS2),接地
開閉器(ES2)が収納されている。(11A) and (11B) are MOF upper chambers provided above the MOFs (2A) and (2B). For example, SF 6 gas is filled in, and the disconnector on the load side of the circuit breaker (CB) ( DS 2 ) and ground switch (ES 2 ) are stored.
このMOF上部室(11A),(11B)は、遮断器室(7A),
(7B),MOF(2A),(2B)の容器および後述の変圧器1
次断路器室にそれぞれ一体に連結されているが、これら
は絶縁スペーサによりガス区分され、事故発生時の他室
への事故波及を最小限にとどめるようにしている。This MOF upper chamber (11A), (11B) is the circuit breaker chamber (7A),
(7B), MOF (2A), (2B) container and transformer 1 described later
Although they are integrally connected to the next disconnector room, they are gas-divided by the insulating spacers to minimize the spread of the accident to other rooms when an accident occurs.
(12A),(12B)は変圧器1次断路器室であり、たとえ
ばSF6ガスが封入され、それぞれ変圧器(Tr1),(T
r2)の1次側に接続される断路器(DS3)および接地開
閉器(ES3)が収納されるとともに、断路器(DS2),
(DS3)間に直列に接続されたジヤンクシヨン(J)が
収納されている。(12A) and (12B) are transformer primary disconnector chambers, for example, SF 6 gas is filled, and transformers (Tr 1 ) and (T
The disconnector (DS 3 ) and the earthing switch (ES 3 ) connected to the primary side of r 2 ) are housed, and the disconnector (DS 2 ),
It contains a jean connection (J) connected in series between (DS 3 ).
(13A),(13B)は各断路器室(12A),(12B)のそれ
ぞれの一面に貫設されそれぞれ断路器(DS3)の負荷側
端子に接続されたスリツプオンタイプの変圧器用ブツシ
ング、(14A),(14B)は各断路器室(12A),(12B)
のそれぞれの一面に貫設されそれぞれ断路器(DS3)の
電源側端子に接続されたスリツプオンタイプの連結用ブ
ツシングである。(13A) and (13B) are slip-on type bushings for transformers, which are provided on one surface of each of the disconnector chambers (12A) and (12B) and connected to the load side terminals of the disconnector (DS 3 ), respectively. (14A), (14B) are each disconnector room (12A), (12B)
It is a slip-on type connecting bush that is connected to the power-side terminal of the disconnecting switch (DS 3 ) and is provided on each side of the.
(15A),(15B)はそれぞれの一端が変圧器(Tr1),
(Tr2)の1次側に接続された変圧器用ケーブルであ
り、それぞれの他端に設けられたスリツプオンタイプの
コネクタ(16A),(16B)が通常時変圧器用ブツシング
(13A),(13B)にそれぞれ着脱自在に接続される。こ
の両コネクタ(16A),(16B)はそれぞれ前記連絡用ブ
ツシング(14B),(14A)にも接続可能であり、これを
見込んでケーブル(15A),(15B)の長さが設定されて
いる。One end of each of (15A) and (15B) is a transformer (Tr 1 ),
It is a transformer cable connected to the primary side of (Tr 2 ), and slip-on type connectors (16A) and (16B) provided at the other ends of the transformer cables are normal bushing (13A) and (13B). ) Are detachably connected to each. Both of these connectors (16A) and (16B) can also be connected to the communication bushings (14B) and (14A), respectively, and the lengths of the cables (15A) and (15B) are set in consideration of this. .
(17)は連絡用ケーブルであり、両端に連絡用ブツシン
グ(14A),(14B)にそれぞれ着脱自在に接続されたス
リツプオンタイプのコネクタ(18A),(18B)が設けら
れている。Reference numeral (17) is a communication cable, and has slip-on type connectors (18A) and (18B) detachably connected to the communication bushings (14A) and (14B) at both ends.
なお、(19)はそれぞれ接地開閉器(ES1),(ES2),
(ES3)の接地側端子に接続された接地ブツシングを示
し、それぞれアースされている。In addition, (19) is the earthing switch (ES 1 ), (ES 2 ),
(ES 3 ) Indicates the grounding bushing connected to the grounding side terminal, which is grounded respectively.
つぎに、前記実施例の作用について説明する。Next, the operation of the above embodiment will be described.
通常、第1,2,4図に示すようなケーブル接続状態におい
て、常用回線側の各断路器(DS1)〜(DS3)がオン,予
備回線側の断路器(DS3)のみがオンとなり、常用側の
遮断器(CB)の入により、第1変圧器(Tr1)が常用側
の各断路器(DS1)〜(DS3)を介して通電されるととも
に、第2変圧器(Tr2)が連絡用ケーブル(17)および
予備側の断路器(DS3)を介して通電され、常用回線に
より両変圧器(Tr1),(Tr2)が並列運転される。Usually, the cable connection state as shown in 1,2,4 FIG, each disconnector conventional line side (DS 1) ~ (DS 3 ) is turned on, the protection line side disconnector only (DS 3) is turned on By turning on the circuit breaker (CB) on the service side, the first transformer (Tr 1 ) is energized via each of the disconnectors (DS 1 ) to (DS 3 ) on the service side, and the second transformer (Tr 2 ) is energized via the communication cable (17) and the disconnecting switch (DS 3 ) on the backup side, and both transformers (Tr 1 ) and (Tr 2 ) are operated in parallel by the service line.
また、常用回線故障時は、常用側の遮断器(CB)を切に
し、該遮断器(CB)の両側の断路器(DS1),(DS2)を
切にするとともに、接地開閉器(ES1),(ES2)を入に
してアースし、さらに、予備側の断路器(DS1),(D
S2)を入にしたのち、予備側の遮断器(CB)を入にす
る。When the service line fails, turn off the circuit breaker (CB) on the service side, turn off the disconnectors (DS 1 ) and (DS 2 ) on both sides of the circuit breaker (CB), and connect the ground switch ( ES 1 ) and (ES 2 ) are turned on and grounded, and the disconnecting switch (DS 1 ) and (D
After turning on S 2 ), turn on the breaker (CB) on the spare side.
したがつて、第1変圧器(Tr1)が連絡用ケーブル(1
7)および常用側の断路器(DS3)を介して通電されると
ともに、第2変圧器(Tr2)が予備側の各断路器(DS1)
〜(DS3)を介して通電され、予備回線により両変圧器
(Tr1),(Tr2)が並列運転される。Therefore, the first transformer (Tr 1 ) is connected to the connecting cable (1
7) and the disconnector (DS 3 ) on the service side, and the second transformer (Tr 2 ) is connected to each disconnector (DS 1 ) on the backup side.
~ Is energized through (DS 3), both the transformer by the protection line (Tr 1), (Tr 2 ) is operated in parallel.
ところで、前述の常用回線または予備回線による運転
時、たとえば常用側の断路器室(12A)内に事故が発生
した場合、仮復旧のために、まず、両回線の遮断器(C
B)を切にし、その両側の断路器(DS1),(DS2)を
切,接地開閉器(ES1),(ES2)を入にしたのち、両断
路器室(12A),(12B)のそれぞれの連絡用ブツシング
(14A),(14B)間から連絡用ケーブル(17)を取り外
す。By the way, when an accident occurs in the disconnector room (12A) on the service side during the operation by the above-mentioned service line or backup line, first the circuit breakers (C
Turn off (B), turn off the disconnectors (DS 1 ) and (DS 2 ) on both sides, turn on the ground switches (ES 1 ) and (ES 2 ), and then turn on both disconnector chambers (12A), ( Remove the communication cable (17) from between the communication bushings (14A), (14B) of 12B).
つぎに、事故側の断路器室(12A)のブツシング(13A)
に接続されていた第1バンク変圧器(Tr1)のケーブル
コネクタ(16A)を取り外し、第1図および第4図に1
点鎖線で示すように、このコネクタ(16A)を正常側の
断路器室(12B)の連絡用ブツシング(14B)に接続し、
事故側断路器室(12A)をバイパスする。Next, bushing (13A) in the disconnector room (12A) on the accident side
Remove the cable connector (16A) of the first bank transformer (Tr 1 ) that was connected to the
Connect this connector (16A) to the connecting bushing (14B) of the disconnector chamber (12B) on the normal side, as shown by the dotted line.
Bypass the accident side disconnector room (12A).
さらに、常用側において、断路器(DS1),(DS2)を
切,接地開閉器(ES1),(ES2)を入にそれぞれロツク
し、ジヤンクシヨン(J)を切にロツクする。Further, on the service side, turn off the disconnectors (DS 1 ) and (DS 2 ), turn on the ground switches (ES 1 ) and (ES 2 ) respectively, and turn on the jean connection (J).
そして、予備側の断路器(DS1),(DS2)を入にしたの
ち、遮断器(CB)を投入し、予備回線により両変圧器
(Tr1),(Tr2)を並列運転し、応急的に停電復旧す
る。After turning on the spare side disconnectors (DS 1 ) and (DS 2 ), turn on the circuit breaker (CB) and operate both transformers (Tr 1 ) and (Tr 2 ) in parallel by the backup line. The power outage is temporarily restored.
その後、事故側断路器室(12A)内の恒久的な事故復旧
を行なう。After that, a permanent accident recovery in the accident side disconnector room (12A) is performed.
この場合、断路器室(12A)内部は密閉され、他の遮断
器室(7A),MOF(2A),MOF上部室(11A)とはガス区分
されているため、断路器室(12A)内の事故が他に波及
することはなく、事故復旧は従来に比し容易なものとな
る。In this case, since the inside of the disconnector chamber (12A) is sealed and gas is separated from the other circuit breaker chambers (7A), MOF (2A), and MOF upper chamber (11A), the inside of the disconnector chamber (12A) The accident will not spread to others, and the accident recovery will be easier than before.
なお、予備回線側の断路器室(12B)内の事故時も、前
述と同様の要領で応急的な停電復旧および恒久的な事故
復旧を行なう。Even in the case of an accident in the disconnector room (12B) on the backup line side, emergency power failure recovery and permanent accident recovery will be performed in the same manner as above.
以上のように、この考案のガス絶縁開閉装置によると、
常用側または予備側の変圧器1次断路器室内の事故時、
連絡用ケーブルを外して、事故側の変圧器のコネクタを
正常側の断路器室の連絡用コネクタに接続することによ
り、短時間に応急的な停電復旧が可能となり、さらに、
この停電復旧後、事故側断路器室内の恒久的な事故復旧
が行なえるので、恒久復旧のための緊急性が緩和され、
断路器室内の品質管理が十分に行なえ、しかも、事故が
他へ波及することがなく、事故範囲が断路器室に限られ
るため、恒久的な事故復旧が比較的短時間に行なえるも
のである。As described above, according to the gas-insulated switchgear of this invention,
In the event of an accident in the transformer primary disconnector room on the regular or spare side,
By disconnecting the communication cable and connecting the connector of the transformer on the accident side to the communication connector of the disconnector room on the normal side, it is possible to quickly recover from a power outage.
After this power failure is restored, a permanent accident recovery in the disconnector room of the accident side can be performed, so the urgency for permanent recovery is alleviated,
The quality control of the disconnector room can be performed sufficiently, and the accident does not spread to others, and the scope of the accident is limited to the disconnector room, so that permanent accident recovery can be performed in a relatively short time. .
第1図ないし第4図はこの考案のガス絶縁開閉装置の1
実施例を示し、第1図は単線接続図、第2図はブロツク
構成単線図、第3図は常用側または予備側の概略構成
図、第4図は斜視図、第5図は従来のガス絶縁開閉装置
のブロツク構成単線図である。 (CB)……遮断器、(2A),(2B)……電力需給用計器
用変成器、(DS3)……断路器、(Tr1),(Tr2)……
変圧器、(12A),(12B)……変圧器1次断路器室、
(13A),(13B)……変圧器用ブツシング、(14A),
(14B)……連絡用ブツシング、(15A),(15B)……
変圧器用ケーブル、(16A),(16B)……コネクタ、
(17)……連絡用ケーブル。1 to 4 show a gas-insulated switchgear according to the present invention 1
FIG. 1 is a single-line connection diagram, FIG. 2 is a block configuration single-line diagram, FIG. 3 is a schematic diagram of a regular side or a spare side, FIG. 4 is a perspective view, and FIG. 5 is a conventional gas. It is a block configuration single-line diagram of an insulation switchgear. (CB) …… Breaker, (2A), (2B) …… Transformer for power supply / demand instrumentation, (DS 3 ) …… Disconnector, (Tr 1 ), (Tr 2 ) ……
Transformer, (12A), (12B) ... Transformer primary disconnector room,
(13A), (13B) ... Transformer bushing, (14A),
(14B) …… Contact bushings, (15A), (15B) ……
Transformer cable, (16A), (16B) …… Connector,
(17) …… Cable for communication.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 藤澤 大造 京都府京都市右京区梅津高畝町47番地 日 新電機株式会社内 (56)参考文献 特開 昭54−1849(JP,A) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Daizo Fujisawa 47 Umezu Takaunecho, Ukyo-ku, Kyoto City, Kyoto Prefecture Nissin Electric Co., Ltd. (56) References JP 54-1849 (JP, A)
Claims (1)
圧器1次断路器をそれぞれ有する常用回線および予備回
線を備えた常用・予備2回線受電変圧器2バンク構成の
ガス絶縁開閉装置において、 前記各回線毎に設けられそれぞれ前記断路器を収納した
変圧器1次断路器室と、前記両断路器室にそれぞれ設け
られ前記断路器の電源側および負荷側にそれぞれ接続さ
れた連絡用ブツシングおよび変圧器用ブツシングと、前
記両連絡用ブツシング間を接続した連絡用ケーブルと、
2台の変圧器の1次側にそれぞれケーブルを介して接続
され通常は前記両変圧器用ブツシングにそれぞれ接続さ
れるとともに一方の前記断路器室内の事故時に前記連絡
用ケーブルを外して他方の前記断路器室の前記両ブツシ
ングにそれぞれ接続されるコネクタとを備えたガス絶縁
開閉装置。1. A gas-insulated switchgear having a two-bank service / standby power receiving transformer having a service circuit and a protection circuit, each having a circuit breaker, a transformer for power supply and demand meters, and a transformer primary disconnector. A transformer primary disconnector chamber that is provided for each of the lines and that houses the disconnector, and a connecting bushing that is provided in each of the disconnector chambers and that is connected to the power source side and the load side of the disconnector, respectively. And a bushing for the transformer, and a communication cable connecting between the both bushings for communication,
It is connected to the primary side of each of the two transformers via a cable, and is normally connected to each of the transformer bushings, and at the time of an accident in one of the disconnector chambers, the connecting cable is removed to disconnect the other disconnector. A gas-insulated switchgear comprising a connector connected to each of the bushings in the chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987037362U JPH0635611Y2 (en) | 1987-03-14 | 1987-03-14 | Gas insulated switchgear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987037362U JPH0635611Y2 (en) | 1987-03-14 | 1987-03-14 | Gas insulated switchgear |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63146406U JPS63146406U (en) | 1988-09-27 |
JPH0635611Y2 true JPH0635611Y2 (en) | 1994-09-14 |
Family
ID=30848624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987037362U Expired - Lifetime JPH0635611Y2 (en) | 1987-03-14 | 1987-03-14 | Gas insulated switchgear |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0635611Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5107276B2 (en) | 2009-01-30 | 2012-12-26 | 株式会社日立製作所 | Vacuum insulated switchgear |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS541849A (en) * | 1977-06-06 | 1979-01-09 | Nissin Electric Co Ltd | Threeephase consolidated type gass insulation switch |
-
1987
- 1987-03-14 JP JP1987037362U patent/JPH0635611Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63146406U (en) | 1988-09-27 |
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