JP2799050B2 - Disconnector operation power supply switching device - Google Patents

Disconnector operation power supply switching device

Info

Publication number
JP2799050B2
JP2799050B2 JP19397890A JP19397890A JP2799050B2 JP 2799050 B2 JP2799050 B2 JP 2799050B2 JP 19397890 A JP19397890 A JP 19397890A JP 19397890 A JP19397890 A JP 19397890A JP 2799050 B2 JP2799050 B2 JP 2799050B2
Authority
JP
Japan
Prior art keywords
power supply
motor
disconnector
switch
bypass
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
Application number
JP19397890A
Other languages
Japanese (ja)
Other versions
JPH0482118A (en
Inventor
▲しょう▼ 西村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP19397890A priority Critical patent/JP2799050B2/en
Publication of JPH0482118A publication Critical patent/JPH0482118A/en
Application granted granted Critical
Publication of JP2799050B2 publication Critical patent/JP2799050B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】 [発明の目的] (産業上の利用分野) 本発明は、変電所、開閉所、発電所等に使用される複
母線形(ダブルブス)開閉装置の母線側に配設される断
路器の操作電源切換装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention is provided on a bus side of a double bus switchgear used in a substation, a switchyard, a power station, and the like. The present invention relates to an operation power supply switching device for a disconnector.

(従来の技術) 従来、複母線構成の電気所において、母線の点検等を
行う場合には、第3図に示した様な方法が採られてい
る。即ち、甲母線35の点検を行う場合には、甲母線35に
接続されたすべての断路器33を“切”操作して開路した
後、甲母線用の電源スイッチ31を開いて、断路器の電動
操作の駆動源であるモータ電源38を停止する。また、乙
母線36の点検を行う場合には、乙母線36に接続されたす
べての断路器34を“切”操作して開路した後、乙母線用
の電源スイッチ32を開いて、断路器の電動操作の駆動源
であるモータ電源39を停止する。そのため、甲母線35の
点検作業中に、断路器33に駆動源である電気が供給され
ることがないので、甲母線35に接続された断路器33が誤
動作して、甲母線35が充電されることを防止できる。ま
た、乙母線36においても同様である。
(Prior Art) Conventionally, when an inspection of a bus is performed in an electric station having a double bus configuration, a method as shown in FIG. 3 is employed. That is, when inspecting the instep bus 35, after all the disconnectors 33 connected to the instep bus 35 are turned off and opened, the power switch 31 for the instep bus is opened, and The motor power supply 38, which is the drive source for the electric operation, is stopped. When inspecting the maiden line 36, all the disconnectors 34 connected to the maiden line 36 are turned off to open the circuit, and then the power switch 32 for the maiden line is opened to The motor power supply 39, which is the driving source for the electric operation, is stopped. Therefore, during the inspection work of the instep bus 35, the disconnector 33 is not supplied with electricity as a driving source, so that the disconnector 33 connected to the instep bus 35 malfunctions and the instep bus 35 is charged. Can be prevented. The same applies to the maiden line 36.

(発明が解決しようとする課題) しかしながら、上述した様な従来の電源切換方法に
は、以下に述べる様な解決すべき課題があった。即ち、
ある母線に接続された複数台の断路器の内、任意の一台
について点検を行う必要が生じた場合には、その断路器
の駆動用に電工ドラムなどを用い、電源分電盤端子より
ケーブルを引いて仮接続(バイパス接続)した上で、点
検のための操作試験を行っていた。そのため、点検作業
の度にケーブルを引かなくてはならず、点検作業の作業
性が非常に悪かった。また、点検終了後に元の状態に復
旧する際にも手間がかかっていた。さらに、仮接続の際
の接続まちがい、取外し忘れ、仮接続電源の信頼性等種
々の問題があった。
(Problems to be solved by the invention) However, the conventional power supply switching method as described above has problems to be solved as described below. That is,
If it becomes necessary to inspect any one of the disconnectors connected to a certain bus, use an electric drum or the like to drive the disconnector, and connect a cable from the power distribution board terminal. , A temporary connection (bypass connection) was made, and an operation test for inspection was performed. Therefore, the cable must be pulled every time the inspection work is performed, and the workability of the inspection work is very poor. In addition, it took time to restore the original condition after the inspection. In addition, there are various problems such as incorrect connection at the time of temporary connection, forgetting to remove, and reliability of the temporary connection power supply.

本発明は、上記の欠点を解消するために提案されたも
ので、その目的は、点検作業の簡略化及び信頼性の向上
を可能とした断路器操作電源切換装置を提供することに
ある。
SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned drawbacks, and an object of the present invention is to provide a disconnecting switch operation power supply switching device capable of simplifying inspection work and improving reliability.

[発明の構成] (課題を解決するための手段) 本発明の断路器操作電源切換装置は、断路器の開閉ス
イッチを備えた操作盤と、この操作盤のスイッチの開閉
により断路器の駆動側モータを制御するための制御電源
と、断路器の動作時に前記モータを駆動する常用モータ
電源と、その断路器の点検時にモータを駆動するバイパ
ス用モータ電源を備え、前記制御電源、常用モータ電源
及びバイパス用モータ電源にそれぞれ接続された接点を
有する電源スイッチを備え、これらの接点の内、断路器
の動作時には、常用側の制御電源接点と常用モータ電源
接点が投入され、一方、点検時には、バイパス側の制御
電源接点とバイパス用モータ電源接点とが投入されるよ
うに構成されていることを特徴とするものである。
[Means for Solving the Problems] A disconnecting switch operating power supply switching device according to the present invention includes an operating panel provided with an on / off switch for a disconnecting switch, and a drive side of the disconnecting switch by opening / closing a switch on the operating panel. A control power supply for controlling the motor, a service motor power supply for driving the motor when the disconnector operates, and a bypass motor power supply for driving the motor when checking the disconnector, the control power supply, the service motor power supply and A power switch having contacts connected to the motor power supply for bypass is provided, and among these contacts, the control power contact on the service side and the service power contact on the service side are turned on during the operation of the disconnecting switch. The control power contact on the side and the motor power contact for bypass are turned on.

(作用) 本発明の断路器操作電源切換装置によれば、一つの電
源スイッチに制御電源、常用モータ電源及びバイパス用
モータ電源にそれぞれ接続された接点を設けてあるの
で、電源スイッチの切換操作だけで、点検時のバイパス
用モータ電源への切換え動作を容易に行うことができ
る。
(Operation) According to the disconnection switch operating power supply switching device of the present invention, since one power switch is provided with contacts respectively connected to the control power supply, the service motor power supply and the bypass motor power supply, only the switching operation of the power switch is performed. Therefore, the switching operation to the bypass motor power supply at the time of inspection can be easily performed.

(実施例) 以下、本発明の一実施例を第1図及び第2図に基づい
て具体的に説明する。
(Embodiment) An embodiment of the present invention will be specifically described below with reference to FIGS. 1 and 2.

本実施例においては、第1図に示した様に、断路器制
御箱1に、断路器の「入」「切」用の開閉スイッチ2a,2
bを備えた操作盤2、この操作盤2の各スイッチの投入
により各制御スイッチを開閉するための制御電源3、開
閉器4aを備えた常用モータ電源4、点検時にモータを駆
動するバイパス用モータ電源5が接続されている。この
様な断路器制御箱1は母線に接続された各断路器ごとに
それぞれ設けられている。従って、第1図で常用モータ
電源4に接続された他の断路器制御箱1′に対しても、
この断路器制御箱1と同様に操作盤2、制御電源3、バ
イパス用モータ電源5が接続されているが、図では省略
されている。
In the present embodiment, as shown in FIG. 1, on / off switches 2a and 2
b, a control power supply 3 for opening and closing each control switch by turning on each switch of the operation panel 2, a regular motor power supply 4 with a switch 4a, a bypass motor for driving the motor during inspection Power supply 5 is connected. Such a disconnector control box 1 is provided for each disconnector connected to the bus. Therefore, the other disconnecting switch control box 1 'connected to the service motor power supply 4 in FIG.
An operation panel 2, a control power supply 3, and a bypass motor power supply 5 are connected similarly to the disconnector control box 1, but are omitted in the figure.

また、前記断路器制御箱1内には電源スイッチ8が設
けられている。この電源スイッチ8は、第2図の接点展
開図に示す通り、「試験」「切」「入」の3位置を有す
るもので、一例として8個の接点9〜16を有するもので
ある。即ち、この電源スイッチ8には、第1図の回路図
に示す通り、制御電源3に接続された常用側の制御電源
接点9,10と、この常用側制御電源接点9,10に並列に接続
されたバイパス側の制御電源接点13,14が設けられてい
る。また、常用モータ電源4に接続された常用モータ電
源接点11,12と、バイパス用モータ電源5に接続された
バイパス用モータ電源接点15,16が設けられている。さ
らに、電源スイッチ8に設けられた各制御電源接点9,1
0,13,14は、断路器制御箱1内において、操作盤2の各
スイッチ2a,2bに接続された「入」用及び「切」用の各
電磁接触器18,19に接続されている。また、これら各電
磁接触器18,19には、両接触器18,19が同時に投入される
ことがないように、インターロック条件の検出手段20
と、それによっていずれか一方のみが投入されるインタ
ーロック接点20a,20bがそれぞれ接続されている。さら
に、前記電源スイッチ8と電磁接触器18,19の間には、
後述する電圧検出リレー26によって作動する接点27が設
けられている。
A power switch 8 is provided in the disconnector control box 1. The power switch 8 has three positions of "test", "off", and "on" as shown in a developed view of the contacts in FIG. 2, and has eight contacts 9 to 16 as an example. Specifically, as shown in the circuit diagram of FIG. 1, the power switch 8 is connected to the control power contacts 9 and 10 on the service side connected to the control power source 3 and connected in parallel to the control power contacts 9 and 10 on the service side. The control power supply contacts 13 and 14 on the bypass side are provided. Further, service motor power contacts 11 and 12 connected to the service motor power source 4 and bypass motor power contacts 15 and 16 connected to the service motor power source 5 are provided. Further, the control power contacts 9 and 1 provided on the power switch 8 are provided.
Reference numerals 0, 13, and 14 are connected to the "ON" and "OFF" electromagnetic contactors 18 and 19 connected to the switches 2a and 2b of the operation panel 2 in the disconnector control box 1. . In order to prevent the two contactors 18 and 19 from being simultaneously applied to these electromagnetic contactors 18 and 19, an interlock condition detecting means 20 is provided.
And the interlock contacts 20a and 20b to which only one of them is turned on are connected. Further, between the power switch 8 and the electromagnetic contactors 18 and 19,
A contact 27 operated by a voltage detection relay 26 described later is provided.

一方、前記電源スイッチ8における常用モータ電源接
点11,12とバイパス用モータ電源接点15,16は、配線用遮
断器22を介して前記「入」「切」用電磁接触器18,19の
接点23,24に接続され、これらの接点23,24がモータ25に
接続されている。また、これらの接点23,24部分には、
モータ25に印加される電圧を検出する電圧検出リレー26
が設けられ、この電圧検出リレー26の接点27が前記の様
に制御電源3側の回路に挿入されている。
On the other hand, the regular motor power contacts 11 and 12 and the bypass motor power contacts 15 and 16 in the power switch 8 are connected to the contacts 23 of the “on” and “off” electromagnetic contactors 18 and 19 via a wiring breaker 22. , 24, and these contacts 23, 24 are connected to the motor 25. In addition, these contact 23,24 parts,
Voltage detection relay 26 that detects the voltage applied to motor 25
The contact 27 of the voltage detection relay 26 is inserted in the circuit on the control power supply 3 side as described above.

この様な構成を有する本実施例の電源切換装置の作用
は、次の通りである。
The operation of the power supply switching device of this embodiment having such a configuration is as follows.

まず、通常の断路器の開閉動作時には、常用モータ電
源4の開閉器4aが投入され、モータ25が作動できる状態
になっている。この状態で、電源スイッチ8を第2図の
「入」側に投入すると、その制御電源接点9,10及び常用
モータ電源接点11,12が“ON"になり、電磁接触器18,19
には制御電源3が、またモータ25には常用モータ電源4
が印加できるようになる。この状態で、操作盤2の
「入」または「切」スイッチ2a,2bを投入すれば、これ
に接続された「入」または「切」の電磁接触器18,19が
作動し、その接点23または24が“ON"になって、モータ2
5が断路器の「入」または「切」側に駆動され、断路器
の開閉動作がなされる。
First, at the time of normal switching operation of the disconnecting switch, the switch 4a of the service motor power supply 4 is turned on, and the motor 25 can be operated. In this state, when the power switch 8 is turned on to the “ON” side in FIG. 2, the control power contacts 9 and 10 and the regular motor power contacts 11 and 12 are turned “ON”, and the electromagnetic contactors 18 and 19 are turned on.
Is the control power supply 3 and the motor 25 is the regular motor power supply 4
Can be applied. In this state, when the "ON" or "OFF" switches 2a, 2b of the operation panel 2 are turned on, the "ON" or "OFF" electromagnetic contactors 18, 19 connected thereto are operated, and the contacts 23 thereof are turned on. Or 24 becomes “ON” and the motor 2
5 is driven to the "on" or "off" side of the disconnector to open and close the disconnector.

次に、母線の点検などの際に、断路器を開いた状態で
モータ25の電源を遮断する場合には、常用モータ電源4
の開閉器4aを開くと同時に、断路器制御箱1の電源スイ
ッチ8を「切」の位置に操作して、各接点を第2図の
「切」の状態とする。この様にすると、すべての接点9
〜16は「開」状態となり、操作盤2が制御電源3から切
り離されると同時に、常用モータ電源4及びバイパス用
モータ電源5が共にモータ25から切り離されるので、モ
ータ25が誤動作により駆動される恐れがない。
Next, when the power to the motor 25 is shut off with the disconnector open during inspection of the bus, etc., the normal motor power supply 4
At the same time as opening the switch 4a, the power switch 8 of the disconnector control box 1 is operated to the "OFF" position to bring each contact into the "OFF" state in FIG. In this way, all contacts 9
Since the operation panel 2 is disconnected from the control power supply 3 and the service motor power supply 4 and the bypass motor power supply 5 are both disconnected from the motor 25 at the same time, the motor 25 may be driven by malfunction. There is no.

さらに、ある特定の断路器のみを駆動して点検を行う
場合には、他の断路器の制御箱1′等については、前記
のように常用モータ電源4の開閉器4aと電源スイッチ8
を開くことにより、操作盤2及びモータ25を各電源3,4,
5から切り離して安全性を確保しておく。その状態で、
点検をする断路器の制御箱1の電源スイッチ8を「試
験」側に切換えると、制御電源接点13,14及びバイパス
用モータ電源接点15,16が“ON"になり、制御電源3が接
点13,14を介して電磁接触器18,19に印加されると同時
に、バイパス用モータ電源5がモータ25に印加できるよ
うになる。この状態で、操作盤2の「入」または「切」
用スイッチ2a,2bを利用して電磁接触器18を作動させ、
その接点23,24を開閉してモータ25を駆動することがで
きる。
Further, when the inspection is performed by driving only a specific disconnecting switch, the control box 1 'of the other disconnecting switch and the like, as described above, the switch 4a of the service motor power supply 4 and the power switch 8
, The operation panel 2 and the motor 25 are connected to the power sources 3, 4,
Separate from 5 to ensure safety. In that state,
When the power switch 8 of the control box 1 of the disconnector to be checked is switched to the "test" side, the control power contacts 13, 14 and the bypass motor power contacts 15, 16 are turned "ON", and the control power source 3 is turned on. , 14 to the electromagnetic contactors 18, 19, and at the same time, the bypass motor power supply 5 can be applied to the motor 25. In this state, "ON" or "OFF" of the operation panel 2
Activate the electromagnetic contactor 18 using the switches 2a, 2b for
The motor 25 can be driven by opening and closing the contacts 23 and 24.

なお、本実施例では、電磁開閉器の接点23,24部分に
電圧検出リレー26を設けているので、たとえ電源スイッ
チ8の制御電源側接点9,10,13,14が“ON"になっていて
も、何等かの原因で常用モータ電源4またはバイパス用
モータ電源5からモータ25に電圧が印加されていない場
合には、操作盤2のスイッチ2a,2bを投入しても電磁接
触器18,19が作動しないようになっている。
In this embodiment, since the voltage detection relay 26 is provided at the contacts 23 and 24 of the electromagnetic switch, the control power supply contacts 9, 10, 13, and 14 of the power switch 8 are turned "ON". However, if no voltage is applied to the motor 25 from the service motor power supply 4 or the bypass motor power supply 5 for any reason, the electromagnetic contactor 18, even if the switches 2a and 2b of the operation panel 2 are turned on. 19 is not working.

この様に、本実施例によれば、断路器制御箱1に設け
られた電源スイッチ8を操作するだけで、常用モータ電
源4からバイパス用モータ電源5への切換え動作が容易
に行えるので、点検作業が大幅に簡略化される。また、
上記の回路は電源切換装置に組込んで構成されているの
で、従来の様に点検作業の度にケーブルを接続しなけれ
ばならないといった煩雑さがなく、接続ミスも防止でき
るので、信頼性の高い点検作業を行うことができる。さ
らに、従来から用いられている電源スイッチの接点数を
増加させることによって対応できるので、その取付けス
ペースが増大することもない。
As described above, according to this embodiment, the switching operation from the service motor power supply 4 to the bypass motor power supply 5 can be easily performed only by operating the power switch 8 provided on the disconnector control box 1. The work is greatly simplified. Also,
Since the above circuit is built in the power supply switching device, there is no need to connect a cable every time an inspection work is performed as in the conventional case, and connection mistakes can be prevented, so that high reliability is achieved. Inspection work can be performed. Further, since it can be dealt with by increasing the number of contacts of a conventionally used power switch, the mounting space does not increase.

[発明の効果] 以上述べた様に、本発明によれば、電源スイッチを操
作するだけで、常用モータ電源からバイパス用モータ電
源への切換え動作が容易に行え、点検作業の簡略化及び
信頼性の向上を可能とした断路器操作電源切換装置を提
供することができる。
[Effects of the Invention] As described above, according to the present invention, the operation of switching from the normal motor power supply to the bypass motor power supply can be easily performed only by operating the power switch, thereby simplifying the inspection work and improving reliability. And a disconnection switch operating power supply switching device capable of improving the power consumption.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明の一実施例を示す回路図、第2図は本発
明に用いられる電源スイッチの接点展開図の一例を示す
図、第3図は母線断路器一括操作ロックの概念を示す単
線結線図である。 1……断路器制御箱、2……操作盤、2a,2b……スイッ
チ、3……制御電源、4……常用モータ電源、4a……開
閉器、5……バイパス用モータ電源、8……電源スイッ
チ、9,10……常用側制御電源接点、11,12……常用モー
タ電源接点、13,14……バイパス側制御電源接点、15,16
……バイパス用モータ電源接点、18,19……電磁接触
器、20……インターロック条件の検出手段、20a,20b…
…インターロック接点、22……配線用遮断器、23,24…
…電磁接触器の接点、25……モータ、26……電圧検出リ
レー、27……接点、31……甲用電源スイッチ、32……乙
用電源スイッチ、33,34……断路器、35……甲母線、36
……乙母線、37……遮断器、38,39……モータ電源。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing an example of a developed view of contact points of a power switch used in the present invention, and FIG. 3 shows a concept of a bus disconnector collective operation lock. It is a single line connection diagram. 1 ... disconnector control box, 2 ... operation panel, 2a, 2b ... switch, 3 ... control power supply, 4 ... regular motor power supply, 4a ... switch, 5 ... bypass motor power supply, 8 ... … Power switch, 9,10… Service power control contact, 11,12… Service motor power contact, 13,14… Bypass control power contact, 15,16
…… Motor power contact for bypass, 18,19 …… Electromagnetic contactor, 20 …… Interlock condition detecting means, 20a, 20b…
... Interlock contacts, 22 ... Wiring breakers, 23,24 ...
… Contacts of electromagnetic contactor, 25… Motor, 26 …… Voltage detection relay, 27 …… Contacts, 31… Power switch for the former, 32… Power switch for the second party, 33,34… Disconnector, 35… ... Kou Bus, 36
...... Otomo, 37 ... Circuit breaker, 38,39 ... Motor power supply.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】断路器の開閉スイッチを備えた操作盤と、
この操作盤のスイッチの開閉により断路器の駆動側モー
タを制御するための制御電源と、断路器の動作時に前記
モータを駆動する常用モータ電源と、その断路器の点検
時に前記モータを駆動するバイパス用モータ電源を備
え、 前記制御電源に接続された常用側の制御電源接点、これ
に並列に接続されたバイパス側の制御電源接点、また、
前記常用モータ電源に接続された常用モータ電源接点及
び前記バイパス用モータ電源に接続されたバイパス用モ
ータ電源接点を有する電源スイッチを備え、 前記各接点の内、断路器の動作時には、常用側の制御電
源接点と常用モータ電源接点が投入され、一方、点検時
には、バイパス側の制御電源接点とバイパス用モータ電
源接点とが投入されるように構成されていることを特徴
とする断路器操作電源切換装置。
An operation panel having an on-off switch for a disconnector,
A control power supply for controlling the drive side motor of the disconnector by opening and closing a switch of the operation panel, a regular motor power supply for driving the motor when the disconnector operates, and a bypass for driving the motor when checking the disconnector A normal-side control power supply contact connected to the control power supply, a bypass-side control power supply contact connected in parallel thereto,
A power switch having a service motor power contact connected to the service motor power supply and a motor power contact for bypass connected to the motor power for bypass; and controlling the service side of each of the contacts when the disconnector operates. A disconnector operating power supply switching device, wherein a power supply contact and a service motor power contact are turned on, while a control power contact on a bypass side and a bypass motor power contact are turned on during inspection. .
JP19397890A 1990-07-24 1990-07-24 Disconnector operation power supply switching device Expired - Lifetime JP2799050B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19397890A JP2799050B2 (en) 1990-07-24 1990-07-24 Disconnector operation power supply switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19397890A JP2799050B2 (en) 1990-07-24 1990-07-24 Disconnector operation power supply switching device

Publications (2)

Publication Number Publication Date
JPH0482118A JPH0482118A (en) 1992-03-16
JP2799050B2 true JP2799050B2 (en) 1998-09-17

Family

ID=16316943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19397890A Expired - Lifetime JP2799050B2 (en) 1990-07-24 1990-07-24 Disconnector operation power supply switching device

Country Status (1)

Country Link
JP (1) JP2799050B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105702492A (en) * 2016-03-17 2016-06-22 宁波兴邦电器有限公司 Tri-position operating apparatus for switching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105702492A (en) * 2016-03-17 2016-06-22 宁波兴邦电器有限公司 Tri-position operating apparatus for switching device

Also Published As

Publication number Publication date
JPH0482118A (en) 1992-03-16

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