JPS5911731A - Synchronization detecting circuit - Google Patents
Synchronization detecting circuitInfo
- Publication number
- JPS5911731A JPS5911731A JP12049582A JP12049582A JPS5911731A JP S5911731 A JPS5911731 A JP S5911731A JP 12049582 A JP12049582 A JP 12049582A JP 12049582 A JP12049582 A JP 12049582A JP S5911731 A JPS5911731 A JP S5911731A
- Authority
- JP
- Japan
- Prior art keywords
- bus
- voltage
- feeder
- line
- disconnector
- 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は、同期検定回路、特に複母線構成を有する系統
母線に電圧変成器が接続されていない場合における遮断
器の同期検定回路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 synchronization verification circuit, particularly to a circuit breaker synchronization verification circuit when a voltage transformer is not connected to a system bus having a multi-bus configuration. .
第１図は母線１，２の夫々に電圧変成器を設けていない
複母線変電所の例である。図に示される如く、母線１側
断路器５−１１．５−１２、・・・・・・５−１ｎ及び
母線２側断路器５−２１．５−２２、・・・・・・５−
２ｎに対して遮断器３−１．３−２、・・・・・・３−
ｎ及び線路側断路器５−３１．５−３２、・・・・・・
５−３ｎを介して各フィーダー６−１．６−２、・・・
・・・６−ｎが接続されている。一般に遮断器の投入に
際しては母線側の１１．圧変電器とフィーダー側の電圧
変成器との間で同期検定を行なうことが普通である。FIG. 1 is an example of a multi-bus substation in which each of the buses 1 and 2 is not provided with a voltage transformer. As shown in the figure, bus 1 side disconnectors 5-11.5-12,...5-1n and bus 2 side disconnectors 5-21.5-22,...5-
For 2n, circuit breaker 3-1.3-2,...3-
n and track side disconnector 5-31.5-32,...
5-3n to each feeder 6-1, 6-2,...
...6-n is connected. Generally, when closing the circuit breaker, 11. It is common to perform synchronization verification between the piezoelectric transformer and the voltage transformer on the feeder side.
しかしながら、第１図に示されるように母線用電圧変成
器が接続されていたい場合は、特別な方法により母線用
電圧変成器を模擬しなければ同期検定を行なうことはで
きない。However, if the bus voltage transformer is to be connected as shown in FIG. 1, synchronization verification cannot be performed unless the bus voltage transformer is simulated using a special method.
本発明は上記問題点を解決することを目的としてなされ
たものであり、複母線構成を有する各母線に電圧変成器
が接続されてない鳴合の遮断器投入に際して同期検定が
可能寿同期検定回路を提供することを目的としている。The present invention has been made with the aim of solving the above problems, and provides a lifespan synchronization verification circuit that can perform synchronization verification when closing a circuit breaker that has a multi-bus configuration and has no voltage transformer connected to each bus bar. is intended to provide.
そして本発明では母線に接続された複数回線のフィーダ
に優先順位をつけ、このうち優先順位てあって、かつ線
路用遮断器及び線路用断路器の閉路状態にあるフィーダ
からの電圧を一旦線路用電圧変成器を介して擬似母線に
導出し、被検定フィーダの母線側断路器の閉路状態に応
じて前記擬似母線からの電圧を同期検定基準電圧として
導出し、一方、被検定フィーダからの電圧を比較側電圧
とすると共に、前記各電圧を同期検定しようとするもの
である。In the present invention, priority is given to the feeders of multiple lines connected to the busbar, and the voltage from the feeder which has the priority order and whose line breaker and line disconnector are in the closed state is temporarily transferred to the line feeder. The voltage from the pseudo bus is derived as a synchronous verification reference voltage according to the closed circuit state of the bus-side disconnector of the feeder to be tested, while the voltage from the feeder to be tested is This is intended to be used as a comparison side voltage and to synchronously verify each of the voltages.
以下図面を参照しつつ実施例を説明する０第２図は本発
明による同期検定回路の一実施例構成図である。第２図
において、各フィーダの線路側電圧変成器４−１〜４−
ｎより選択リレーの接点１１ Ｘａ、 ２１ Ｘａ〜ｌ
ｎＸＢ 、 ２ ｎＸＢを介して擬似母線出力ブス１
′、及び２′を各々取出す。Embodiments will be described below with reference to the drawings. FIG. 2 is a block diagram of an embodiment of the synchronization verification circuit according to the present invention. In Fig. 2, line side voltage transformers 4-1 to 4- of each feeder are shown.
Select relay contacts 11 Xa, 21 Xa~l from n
nXB, 2 Pseudo bus output bus 1 via nXB
', and 2' are taken out respectively.
この擬似母線１′と２′より各フィーダ母線側断路器の
接点５−１１ａ、５−２１ａ〜５−１ｎＢ、５−２ｎａ
によって電圧を取出し、この取出した電圧を任意に選択
された同期検定選択スイッチ７−１〜７−ｎの中の唯一
のスイッチによって同期検定基準電圧母線９に接続し、
これを同期検定装置８へ導入する。Contact points 5-11a, 5-21a to 5-1nB, 5-2na of each feeder bus side disconnector from these pseudo buses 1' and 2'
, and connect this extracted voltage to the synchronization verification reference voltage bus 9 by the only switch among the arbitrarily selected synchronization verification selection switches 7-1 to 7-n,
This is introduced into the synchronization verification device 8.
一方比較電圧は、同期投入を行なおうとする遮断器のフ
ィーダ側電圧変成器出力を同期検定選択スイッチ７−１
〜７−ｎの内、前記唯一のスイッチの接点によって同期
検定比較電圧母線１０に接続し、これを同期検定装＋ｔ
ｓへ導入する。この様にして得た電圧を同期検定装置
によって比較し、同期検定を行なう。On the other hand, the comparison voltage is the feeder side voltage transformer output of the circuit breaker to be synchronized.
~7-n, the contact point of the only switch is connected to the synchronization verification comparison voltage bus 10, and this is connected to the synchronization verification device +t
Introduce into s. The voltages thus obtained are compared by a synchronization verification device to perform synchronization verification.
第３図は選択リレーの構成図であり、これによって一連
の作動を説明する。今、フィーダの優先順位を６−１〜
６−ｎとした場合、第３図に示すように、フィーダ６−
１の遮断器３−１の常開接点３−１８と断路器５−３１
の常開接南、５−３１ａの論理積条件と母線側断路器５
−１１、又は５−２１め常開接点５−１１ａ、又は５−
２１ａとの論理積条件によって、選択リレーコイル１１
ｘ１又は２１Ｘが動作する。フィーグロー１が母線１側
に接続されていると断路器５−１１の常開接点５−１１
ａが閉じ、選択リレーコイル１１Ｘが励磁され、フィー
ダ６−１の電圧変成器４−１が母線１の擬似母線１′の
電圧として取出される。FIG. 3 is a block diagram of the selection relay, and a series of operations will be explained using this diagram. Now, the feeder priority is set to 6-1~
6-n, as shown in FIG.
Normally open contact 3-18 of circuit breaker 3-1 and disconnector 5-31
Normally open connection, logical product condition of 5-31a and bus side disconnector 5
-11, or 5-21 Normally open contact 5-11a, or 5-
21a, the selection relay coil 11
x1 or 21X works. When FeeGlow 1 is connected to bus 1 side, normally open contact 5-11 of disconnector 5-11
a is closed, the selection relay coil 11X is excited, and the voltage of the voltage transformer 4-1 of the feeder 6-1 is taken out as the voltage of the pseudo bus 1' of the bus 1.
フィーダ６−１が母線２側に接続されていると、断路器
５−２１の常開接点５−２１ａが閉じ、選択リレーコイ
ル２１Ｘが励磁されフィーダ６−１の電圧変成器４−１
が母線２の擬似母線２′の電圧として取出される。フィ
ーダ６−１が母線１に連系されていると選択リレーコイ
ル１１Ｘが励磁されるのでこの常閉接点１１Ｘｂによっ
て他のフィーダノ選択リレーコイル１２Ｘ〜］、 ｎ
Ｘの動作はロックされる。When the feeder 6-1 is connected to the bus 2 side, the normally open contact 5-21a of the disconnector 5-21 is closed, the selection relay coil 21X is energized, and the voltage transformer 4-1 of the feeder 6-1 is energized.
is taken out as the voltage of the pseudo bus 2' of the bus 2. When the feeder 6-1 is connected to the bus 1, the selection relay coil 11X is excited, so this normally closed contact 11Xb connects the other feeder selection relay coils 12X~], n
The movement of X is locked.
一方、フィーダ６−１の選択リレーコイル２ＩＸは励磁
されないので、この常閉接点２１Ｘｂ１ｔｉ、閉路のま
まとなりフィーダ６−２以降のフィーダの選択リレーコ
イル２２Ｘ〜２２ｎＸの動作は自由である。この様にし
て選択された電圧変成器の電圧は、擬似母線電圧として
ＦＪ線１′、及び２′に取出され、母線用電圧変成器の
出力と等価か働きをするものとなる。この母線１′、又
は２′から、例えばフィーダ６−３の遮断器３−３の同
期検定を考エルと、母１１ｔｆｉｌｌ’、又は２′カラ
、−ｙ４−ダ６−３の母線側断路器５−１３、又は５−
２３の動作状況により、例えば断路器５−１３が閉じて
いたとすれば、この常開接点５−１３ａによって母線１
′より電圧をとり出し、これを同期検定選択スイッチ７
−３によって基準電圧母線９に接続し、同期検定装置８
へ導入する。一方、線路側電圧変成器４−３は、比較側
電圧として同期検定選択スイッチ７−３によって比較電
圧母線１０に取出され、同期検定装置層、８へ導入され
る。この様にして、母線用電圧変成器の接続されていな
い系統における遮断器の同期検定が実施出来る。On the other hand, since the selection relay coil 2IX of the feeder 6-1 is not excited, the normally closed contact 21Xb1ti remains closed, and the selection relay coils 22X to 22nX of the feeders after the feeder 6-2 can freely operate. The voltage of the voltage transformer selected in this way is taken out to the FJ lines 1' and 2' as a pseudo bus voltage, and acts equivalently to the output of the bus voltage transformer. From this bus 1' or 2', for example, considering synchronization verification of circuit breaker 3-3 of feeder 6-3, bus 11tfill' or 2' empty, -y4- bus side disconnector of circuit breaker 6-3. 5-13, or 5-
23, for example, if the disconnector 5-13 is closed, this normally open contact 5-13a causes the bus 1 to be disconnected.
' Take out the voltage and apply it to the synchronization verification selection switch 7.
-3 to the reference voltage bus 9, and the synchronization verification device 8
to be introduced. On the other hand, the line side voltage transformer 4-3 is taken out as a comparison side voltage to the comparison voltage bus 10 by the synchronization verification selection switch 7-3, and introduced into the synchronization verification device layer 8. In this manner, a synchronization verification of circuit breakers in a system to which no bus voltage transformer is connected can be performed.
以上説明した如く、本発明によれば母線用電圧変成器が
接続されてい々い複母線系統において以下の効果を有す
る。As explained above, according to the present invention, the following effects are achieved in a multi-bus system in which a bus voltage transformer is connected.
■母線ＰＴの無い系統の遮断器同期検定が可能となる。■Enables circuit breaker synchronization verification for systems without bus PT.
■基準電圧は、任意に順位をつけることができる。■Reference voltages can be ranked arbitrarily.
■基準電圧の選択が自動的に行なわれるため、手動によ
る誤選択の恐れがなく信頼度が同士する。■Since the selection of the reference voltage is performed automatically, there is no risk of incorrect manual selection and the reliability is the same.
第１図は複母線方式の系統構成図、第２図は本発明によ
る同期検定回路の一実施例構成図、第３図は選択リレー
構成図である。
１．２・・・母線 １／、２／・・・擬似母線
３−１〜３−ｎ・・・遮断器
４−１〜４−ｎ・・・線路用電圧変成器５−１１〜５−
１ ｎ −１＜３線１側断路器５ − ２ １ −５
− ２ ｎ ・−・ｍ：ａ３＋２ １則断路器５−
３１〜５−３１・・・線路側断路器６−１〜６−ｎ・・
・フィーダ
７−１〜７−ｎ・・・同期検定選択スイッチ８・・・同
期検定装置
１１Ｘ〜］ｎＸ・・・１４７線１側選択リレーコイル２
１Ｘ〜２ｎＸ・・・母線２側選択リレーコイル３−１ａ
〜３− ｎ ａ・・・遮断器常開接点５−１１ａ〜５−
１ｎａ・・母線１側断路器の常開接点５−２１ａ〜５−
２ ｎ、・・・母線２側断路器の常開接点５−３１ａ〜
５−３ｎａ・・・線路側断路器の常開接点１１Ｘａ〜１
ｎＸＢ ・・・選択リレーコイル１１Ｘ〜１ｎＸの常開
接点
１１Ｘｂ〜１ｎＸｂ・・・選択リレーコイル１．１ Ｘ
〜ｌｎＸの常閉接点FIG. 1 is a system configuration diagram of a multi-bus system, FIG. 2 is a configuration diagram of an embodiment of a synchronization verification circuit according to the present invention, and FIG. 3 is a selection relay configuration diagram. 1.2... Bus bar 1/, 2/... Pseudo bus bar 3-1 to 3-n... Circuit breaker 4-1 to 4-n... Line voltage transformer 5-11 to 5-
1 n -1<3 wire 1 side disconnector 5 - 2 1 -5
- 2 n ・-・m: a3+2 1-law disconnector 5-
31~5-31...Line side disconnector 6-1~6-n...
・Feeder 7-1 to 7-n...Synchronization verification selection switch 8...Synchronization verification device 11X~]nX...147 line 1 side selection relay coil 2
1X~2nX...Bus bar 2 side selection relay coil 3-1a
~3-na... Breaker normally open contact 5-11a~5-
1na...Normally open contacts 5-21a to 5- of the busbar 1 side disconnector
2 n,...Normally open contact 5-31a of the busbar 2 side disconnector
5-3na...Normally open contact 11Xa~1 of the track side disconnector
nXB...Normally open contact of selection relay coil 11X~1nX 11Xb~1nXb...Selection relay coil 1.1X
~ Normally closed contact of lnX
Claims (1)
用断路器を介して複数回線６らなるフィーダが分岐され
、電圧変成器が線路用遮断器及び線路用断路器のフィー
ダ側にのみもうけられた電力系統の同期検定回路におい
て、予め設定された優先順位にあり、かつ線路用遮断器
、及び線路用断路器の閉路状態にあるフィーダからの電
圧を線路用電圧変成器を介して導出する擬似母線と、被
検定フィーダの母線側断路器の閉路状態に応じて前記擬
似母線からの電圧が同期検定選択スイッチを介して導出
される同期検定基準電圧母線と、被検定フィーダの線路
側電圧変成器、及び同期検定選択スイッチを介して導出
される比較側電圧母線と、前記同期検定基準電圧母線、
及び比較側電圧母線入力が導入される同期検定装置とか
らなることを特徴とする同期検定回路。A feeder consisting of multiple lines 6 is branched from a common double bus through a bus disconnector, a line breaker, and a line breaker, and the voltage transformer is only on the feeder side of the line breaker and line breaker. In the established power system synchronization verification circuit, the voltage from the feeder that is in the preset priority order and the line breaker and line disconnector are in the closed state is derived via the line voltage transformer. a synchronous verification reference voltage bus from which the voltage from the dummy bus is derived via a synchronous verification selection switch according to the closed circuit state of a bus-side disconnector of the feeder to be tested; and a line-side voltage of the feeder to be tested. a transformer, a comparison side voltage bus derived through a synchronization verification selection switch, and the synchronization verification reference voltage bus;
and a synchronous verification device into which a comparison side voltage bus input is introduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12049582A JPS5911731A (en) | 1982-07-13 | 1982-07-13 | Synchronization detecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12049582A JPS5911731A (en) | 1982-07-13 | 1982-07-13 | Synchronization detecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5911731A true JPS5911731A (en) | 1984-01-21 |
Family
ID=14787605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12049582A Pending JPS5911731A (en) | 1982-07-13 | 1982-07-13 | Synchronization detecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5911731A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871150A (en) * | 1987-01-20 | 1989-10-03 | Automobiles Peugeot | Elastically yieldable support in particular for the suspension of a vehicle engine |
| US4893797A (en) * | 1987-07-07 | 1990-01-16 | Automobiles Peugeot | Hydroelastic support, in particular for the suspension of a motor in a vehicle |
-
1982
- 1982-07-13 JP JP12049582A patent/JPS5911731A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871150A (en) * | 1987-01-20 | 1989-10-03 | Automobiles Peugeot | Elastically yieldable support in particular for the suspension of a vehicle engine |
| US4893797A (en) * | 1987-07-07 | 1990-01-16 | Automobiles Peugeot | Hydroelastic support, in particular for the suspension of a motor in a vehicle |
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