JP2008253138A - Switchgear connecting circuit and switchgear using it - Google Patents

Switchgear connecting circuit and switchgear using it Download PDF

Info

Publication number
JP2008253138A
JP2008253138A JP2008180390A JP2008180390A JP2008253138A JP 2008253138 A JP2008253138 A JP 2008253138A JP 2008180390 A JP2008180390 A JP 2008180390A JP 2008180390 A JP2008180390 A JP 2008180390A JP 2008253138 A JP2008253138 A JP 2008253138A
Authority
JP
Japan
Prior art keywords
connector
connection
circuit
circuit breaker
switchgear
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.)
Granted
Application number
JP2008180390A
Other languages
Japanese (ja)
Other versions
JP4681030B2 (en
Inventor
Yasuhiro Koga
康裕 古閑
Masafumi Uenushi
雅史 植主
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2008180390A priority Critical patent/JP4681030B2/en
Publication of JP2008253138A publication Critical patent/JP2008253138A/en
Application granted granted Critical
Publication of JP4681030B2 publication Critical patent/JP4681030B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Patch Boards (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To improve wire connection workability and output confirmation workability when assembling a switchgear connecting circuit to a switchgear. <P>SOLUTION: The switchgear connecting circuit includes a first connector leading to a circuit breaker 2 (VCB), a second connector leading to a controller that controls the circuit breaker 2, and a third connector leading to a power source 5 which supplies power to the circuit breaker 2 and the controller. A connecting circuit 23 is provided in which the connectors are connected together with a specified connection wire. Such connecting point is provided to the other end of one of first, second, and third connecting wires as electrically allowing the other end of a first connecting wire which connects one end to the first connector, the other end of a second connecting wire which connects one end to the second connector, and the other end of a third connecting wire which connects one end to the third connector, to be the same potential. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、金属閉鎖形のスイッチギヤ等に用いられるスイッチギヤ接続回路及びこれを用いたスイッチギヤに関する。   The present invention relates to a switchgear connection circuit used for a metal closed type switchgear and the like and a switchgear using the switchgear connection circuit.

スイッチギヤは特許文献１、２に記載されている。図７は従来のスイッチギヤの前面扉を開いた状態の模式的斜視図である。   The switch gear is described in Patent Documents 1 and 2. FIG. 7 is a schematic perspective view of the conventional switchgear with the front door opened.

金属閉鎖形のスイッチギヤは、前面扉１ａを有する箱体１内の中央部に電源回路に接続される遮断器２が配置され、箱体１内の一側面に、外部との信号を受信／出力する外部端子台３及び上下方向へ延びる整線用のダクト４が配置されており、箱体１内の他側面に前記遮断器２を制御する電気機器を制御電源に接続／遮断するための制御電源５と、遮断器２が遮断動作したとき接点が閉じて開閉状態表示器６を点灯させるラッチリレー７と整線用のダクト８とが配置されており、また、箱体１内の上部には左右方向へ延びるダクト９が配置されている。   In the metal closed type switchgear, the circuit breaker 2 connected to the power supply circuit is arranged in the center of the box 1 having the front door 1a. An output external terminal block 3 and a straightening duct 4 extending in the vertical direction are arranged, and for connecting / cutting off an electric device for controlling the circuit breaker 2 to a control power source on the other side of the box 1 A control power source 5, a latch relay 7 that closes a contact when the circuit breaker 2 is interrupted and turns on an open / close state indicator 6, and a line-adjusting duct 8 are disposed. A duct 9 extending in the left-right direction is arranged at the side.

前面扉１ａには、電源回路の電圧、電流、負荷電力を表示する電圧計、電流計、電力計等の誘導式のメーター１０と、複数の故障表示器１１と、遮断器２の状態を表示する開閉状態表示器６と、遮断器２を開閉する複数の開閉用コントロールスイッチ１２と、遮断器２と故障表示器１１と開閉状態表示器６等とを制御するための複数の補助リレー１３と、過電流継電器１４ａ及び地絡継電器１４ｂ等の誘導式の保護継電器１４とが夫々上部から下側へ適宜の間隔を隔てて順次配置されており、また、最下部には前記メーター１０及び保護継電器１４等の出力を試験するための試験用端子１５が配置されている。   On the front door 1a, an inductive meter 10 such as a voltmeter, an ammeter, and a wattmeter that displays the voltage, current, and load power of the power circuit, a plurality of failure indicators 11, and the state of the circuit breaker 2 are displayed. An open / close state indicator 6 for switching, a plurality of open / close control switches 12 for opening / closing the circuit breaker 2, a plurality of auxiliary relays 13 for controlling the circuit breaker 2, the failure indicator 11, the open / close state indicator 6 and the like. Inductive protective relays 14 such as an overcurrent relay 14a and a ground fault relay 14b are sequentially arranged from the upper part to the lower side with appropriate intervals, and the meter 10 and the protective relay are arranged at the lowermost part. A test terminal 15 for testing an output such as 14 is disposed.

また、前面扉１ａの箱体１との連結側端部には上下方向へ延びるダクト１６が配置され、該ダクト１６に、前記メーター１０及び保護継電器１４に沿って延びる一対のダクト１７，１７が結合されている。メーター１０、故障表示器１１、開閉状態表示器６、開閉用コントロールスイッチ１２、補助リレー１３及び保護継電器１４に接続される接続線は前記ダクト１６，１７内で整理され、これら接続線が前記ダクト８内で整理された接続線に接続され、前記遮断器２の動作状態の情報は接続線を経由して開閉状態表示器６で表示される。また、前記ダクト４，１６の間を隣り合うスイッチギヤに接続される接続線が通っている。   Further, a duct 16 extending in the vertical direction is disposed at the end of the front door 1a connected to the box 1, and a pair of ducts 17 and 17 extending along the meter 10 and the protective relay 14 are provided in the duct 16. Are combined. Connection lines connected to the meter 10, the failure indicator 11, the open / close state indicator 6, the open / close control switch 12, the auxiliary relay 13 and the protective relay 14 are arranged in the ducts 16 and 17, and these connection lines are connected to the duct. The operation state information of the circuit breaker 2 is displayed on the switching state indicator 6 via the connection line. A connecting line connected to the adjacent switchgear passes between the ducts 4 and 16.

図８は図７のスイッチギヤの三線接続図、図９は図７のスイッチギヤの展開接続図である。図８において、Ｒ相、Ｔ相に設置された計器用変流器１８によって誘導された電流は過電流継電器１４ａを介して前記試験用端子１５を通り、電圧計、電流計、電力計等のメーター１０へと繋がる閉回路を還流する。また、遮断器２が接続された電源回路の各相電流を検出する零相変流器１９からの零相電流と零相電圧の信号が地絡継電器１４ｂへ取込まれる。図９において、開閉用コントロールスイッチ１２は、遮断器２を投入する際の投入条件を規定するインターロック回路１２ａを有している。尚、図９において、２７ａは前記開閉状態表示器６を動作させるための遮断状態表示用接点、２７ｂは前記故障表示器１１を動作させるための故障表示用接点である。   8 is a three-wire connection diagram of the switch gear of FIG. 7, and FIG. 9 is a developed connection diagram of the switch gear of FIG. In FIG. 8, the current induced by the current transformer 18 installed in the R phase and the T phase passes through the test terminal 15 via the overcurrent relay 14a, and the voltmeter, ammeter, wattmeter, etc. The closed circuit connected to the meter 10 is refluxed. Further, the zero-phase current and zero-phase voltage signals from the zero-phase current transformer 19 that detects each phase current of the power supply circuit to which the circuit breaker 2 is connected are taken into the ground fault relay 14b. In FIG. 9, the open / close control switch 12 has an interlock circuit 12 a that defines a closing condition when the circuit breaker 2 is turned on. In FIG. 9, reference numeral 27 a is a shut-off state display contact for operating the open / close state indicator 6, and 27 b is a failure display contact for operating the failure indicator 11.

遮断器２には遮断器用モータ２ａ、投入用コイル２ｂ及びトリップコイル２ｃを有しており、投入用コイル２ｂ及びトリップコイル２ｃが励磁されることによって夫々オン動作又はオフ動作し、保護継電器１４が動作して遮断器２がトリップするように結線されている。   The circuit breaker 2 includes a circuit breaker motor 2a, a closing coil 2b, and a trip coil 2c. When the closing coil 2b and the trip coil 2c are excited, the circuit breaker 2 is turned on or off, respectively. It is connected so that the circuit breaker 2 operates and trips.

以上の如くスイッチギヤに組み込まれる制御回路装置は、制御電源５、ラッチリレー７、メーター１０、故障表示器１１、開閉状態表示器６、開閉用コントロールスイッチ１２、補助リレー１３、保護継電器１４、計器用変流器１８、零相変流器１９等の電気機器が接続された構成となっている。
特開平５−３００６１５号公報 特開平６−１８９４１８号公報 As described above, the control circuit device incorporated in the switch gear includes the control power source 5, the latch relay 7, the meter 10, the failure indicator 11, the open / close state indicator 6, the open / close control switch 12, the auxiliary relay 13, the protective relay 14, and the meter. The electric current transformer 18 and the zero phase current transformer 19 are connected.
JP-A-5-300615 Japanese Patent Laid-Open No. 6-189418

従来にあっては、作業者が制御回路装置をスイッチギヤに組込むとき、制御電源５等の電気機器の全てに作業者が接続線を一本ずつ接続しているため、結線が複雑であり、結線作業性の改善が望まれていた。また、制御回路装置をスイッチギヤに組込んだ後においては、全ての電気機器の出力確認を行う必要があるため、出力の確認が煩雑であり、出力確認作業性の改善も望まれていた。   Conventionally, when the operator incorporates the control circuit device into the switch gear, the connection is complicated because the operator connects the connection wires one by one to all the electric devices such as the control power source 5. Improvement of wiring workability was desired. In addition, since it is necessary to confirm the output of all the electrical devices after the control circuit device is incorporated in the switch gear, the confirmation of the output is complicated, and the improvement of the output confirmation workability has been desired.

本発明は斯かる事情に鑑みてなされたものであり、スイッチギヤ接続回路を予め独立して組立て、予め準備することができるとともに、スイッチギヤ接続回路を予め単独で出力確認することができ、スイッチギヤ接続回路をスイッチギヤに組込むときの結線作業性及び出力確認作業性を改善できるスイッチギヤ接続回路及びこれを用いたスイッチギヤを提供することを目的とする。   The present invention has been made in view of such circumstances, and the switchgear connection circuit can be assembled independently in advance and prepared in advance, and the switchgear connection circuit can independently check the output in advance. An object of the present invention is to provide a switch gear connection circuit that can improve the wiring workability and output check workability when the gear connection circuit is incorporated in a switchgear, and a switchgear using the switchgear connection circuit.

また、スイッチギヤ接続回路をスイッチギヤに組込むときの配線の誤りを少なくすることができるスイッチギヤ接続回路及びこれを用いたスイッチギヤを提供することを目的とする。   It is another object of the present invention to provide a switchgear connection circuit that can reduce wiring errors when the switchgear connection circuit is incorporated in the switchgear, and a switchgear using the switchgear connection circuit.

本発明に係るスイッチギヤ接続回路は、遮断器につながる第１コネクタと前記遮断器を制御する制御器につながる第２コネクタと前記遮断器および前記制御器に電力を供給する電源につながる第３コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、一端を前記第１コネクタに接続する第１接続線の他端と、一端を前記第２コネクタに接続する第２接続線の他端と、一端を前記第３コネクタに接続する第３接続線の他端とをともに、電気的に同電位とする接続点を前記第１、第２、第３接続線のいずれかの他端に設けたことを特徴とする。   The switchgear connection circuit according to the present invention includes a first connector connected to a circuit breaker, a second connector connected to a controller for controlling the circuit breaker, and a third connector connected to a power supply for supplying power to the circuit breaker and the controller. And having a connection circuit in which the connectors are connected to each other by a predetermined connection line, the other end of the first connection line connecting one end to the first connector, and the second connecting one end to the second connector. And connecting the other end of the two connection lines and the other end of the third connection line, one end of which is connected to the third connector, to a connection point of the first, second, and third connection lines. It is provided at either of the other ends.

本発明によれば、スイッチギヤ接続回路をスイッチギヤに組込むときの結線作業性及び出力確認作業性を改善できる。   According to the present invention, it is possible to improve connection workability and output check workability when the switchgear connection circuit is incorporated in the switchgear.

また、本発明によれば、複数の電気機器を接続するときの配線の誤り、及びスイッチギヤ接続回路をスイッチギヤに組込むときの配線の誤りを夫々少なくできる。   Further, according to the present invention, it is possible to reduce wiring errors when connecting a plurality of electric devices and wiring errors when the switch gear connection circuit is incorporated in the switch gear.

以下本発明をその実施の形態を示す図面に基づいて詳述する。
図１は表示，保護及び制御機能を有する電子式の表示／制御器にI/F モジュールを適用したスイッチギヤの構成を示す前面扉を開放した状態の斜視図である。 Hereinafter, the present invention will be described in detail with reference to the drawings showing embodiments thereof.
FIG. 1 is a perspective view of a state in which a front door is opened showing a configuration of a switchgear in which an I / F module is applied to an electronic display / controller having display, protection and control functions.

金属閉鎖形のスイッチギヤは、前面扉１ａを有する箱体１内の中央部に電源回路に接続される遮断器（ＶＣＢ）２が配され、この遮断器２の上側に計器用変流器（ＣＴ）１８及び零相変流器（ＺＣＴ）１９等の電源回路の電流を検出する電流センサ２０が配され、この電流センサ２０の上側に他機に接続される、換言すると隣合うスイッチギヤに接続される複数の配線を有し、盤間渡りの役割をする配線モジュール２１が配されているスイッチギヤ本体を備える。   In the metal closed type switchgear, a circuit breaker (VCB) 2 connected to the power supply circuit is arranged in the center of the box 1 having the front door 1a, and a current transformer for instrument ( CT) 18 and a zero-phase current transformer (ZCT) 19 are provided with a current sensor 20 for detecting a current of a power supply circuit, and connected to another machine on the upper side of this current sensor 20, in other words, to an adjacent switchgear. A switchgear body having a plurality of wires to be connected and having a wiring module 21 acting as a crossover between boards is provided.

箱体１内の一側面には前記遮断器２、電流センサ２０等の複数の電気機器が接続される複数の接続回路２３をモジュールとしてなるスイッチギヤ接続回路（以下I/F モジュールと称す）Ａが配され、このI/F モジュールＡの下側に遮断器２を制御するための複数の補助リレー１３が配置され、この補助リレー１３の下側に外部との信号を受信／出力する外部端子台３が配置されている。また、前面扉１ａには前記遮断器２を制御及び制御の状態を表示する表示／制御器２２が配されている。この表示／制御器２２は、電源回路の電圧、電流、負荷電力を表示する電圧計、電流計、電力計等メーター、遮断器２の状態を表示する開閉状態表示器、遮断器２を開閉する複数の開閉用コントロールスイッチ、過電流継電器等の電気機器によって構成されている。   A switch gear connection circuit (hereinafter referred to as an I / F module) A having a plurality of connection circuits 23 connected to a plurality of electrical devices such as the circuit breaker 2 and the current sensor 20 on one side in the box 1. And a plurality of auxiliary relays 13 for controlling the circuit breaker 2 are arranged below the I / F module A, and external terminals for receiving / outputting signals from the outside under the auxiliary relays 13 A table 3 is arranged. The front door 1a is provided with a display / controller 22 for controlling the circuit breaker 2 and displaying the control state. This display / controller 22 opens and closes the circuit breaker 2, a voltmeter that displays the voltage, current, and load power of the power circuit, an ammeter, a meter such as a wattmeter, an open / close state display that displays the state of the circuit breaker 2. It is composed of electrical devices such as a plurality of open / close control switches and overcurrent relays.

図２はスイッチギヤ接続回路に電気機器を接続した構成を示す接続ブロック図、図３はスイッチギヤを構成する電気機器の一部を抽出してなるスイッチギヤ接続回路の斜視図、図４はこのスイッチギヤ接続回路内の回路図である。   FIG. 2 is a connection block diagram showing a configuration in which an electric device is connected to the switch gear connection circuit, FIG. 3 is a perspective view of a switch gear connection circuit obtained by extracting a part of the electric device constituting the switch gear, and FIG. It is a circuit diagram in a switchgear connection circuit.

スイッチギヤを発注するユーザーによって仕様が変わらない複数の接続回路２３と、遮断器２を制御するのに必要な電源を供給するための制御電源５と、前記遮断器２に接続される電気機器の出力を試験するための試験用端子１５と、これら制御電源５及び試験用端子１５又は他の接続線を介して接続されたコネクタ２４とをI/F モジュールＡとしてある。   A plurality of connection circuits 23 whose specifications do not change depending on the user who orders the switchgear, a control power supply 5 for supplying power necessary to control the circuit breaker 2, and an electric device connected to the circuit breaker 2 The test terminal 15 for testing the output and the connector 24 connected via the control power supply 5 and the test terminal 15 or other connection lines are used as the I / F module A.

このI/F モジュールＡは１台の遮断器２につき１つあり、該I/F モジュールＡにユーザーによって仕様が変わる遮断器２、計器用変流器（ＣＴ）１８及び零相変流器（ＺＣＴ）１９等の電流センサ２０、表示／制御器２２等の電気機器が夫々コネクタ２４…によって接続してある。このようにコネクタ２４…によって複数の電気機器が接続されたI/F モジュールＡはコネクタ２４によって配線モジュール２１に接続される。また、接点２５、２６はユーザが特殊な接点情報を必要とした場合に、接点をつなぎ込んだ例を示すものである。   There is one I / F module A per circuit breaker 2, and the I / F module A has a circuit breaker 2 whose specifications change depending on the user, a current transformer (CT) 18 and a zero-phase current transformer ( ZCT) 19 and other electrical devices such as a display / controller 22 are connected by connectors 24. Thus, the I / F module A to which a plurality of electrical devices are connected by the connectors 24... Is connected to the wiring module 21 by the connector 24. The contacts 25 and 26 show an example in which contacts are connected when the user needs special contact information.

図４において、ＣＮ１〜ＣＮ６がコネクタ２４であり、ＢＨ−Ｋが制御電源５、Ｔ・Ｔが試験用端子１５である。   In FIG. 4, CN 1 to CN 6 are connectors 24, BH-K is a control power supply 5, and T · T is a test terminal 15.

図５はスイッチギヤ接続回路を１点鎖線で囲った三線接続図である。図５では、Ｒ相、Ｔ相に設置された前記計器用変流器（ＣＴ）１８によって誘導された電流は試験用端子１５を通り、前記した従来と同様の保護継電器及びメーターの機能を兼ねる表示／制御器２２へと繋がる閉回路を還流する。また、前記零相変流器（ＺＣＴ）１９からの零相電流と零相電圧の信号が前記した従来と同様の地絡継電器の機能を兼ねる表示／制御器２２へ取込まれる。   FIG. 5 is a three-line connection diagram in which the switchgear connection circuit is surrounded by a one-dot chain line. In FIG. 5, the current induced by the instrument current transformer (CT) 18 installed in the R phase and the T phase passes through the test terminal 15 and also functions as the protective relay and meter as described above. Reflux the closed circuit leading to the display / controller 22. Further, the zero-phase current and zero-phase voltage signals from the zero-phase current transformer (ZCT) 19 are taken into the display / controller 22 which also functions as a ground fault relay as described above.

図６は図１のスイッチギヤの展開接続図である。図６において、遮断器２を投入する接点は、遮断器２を投入する際の投入条件を規定するインターロック回路を外部で構成することができるようになっている。また、図６において、太線の１点鎖線で囲まれたI/F モジュールＡ以外の部分がI/F モジュールＡ以外の電気機器である。   6 is a developed connection diagram of the switchgear of FIG. In FIG. 6, the contact for turning on the circuit breaker 2 can be configured externally with an interlock circuit that defines the closing conditions when the circuit breaker 2 is turned on. In FIG. 6, the part other than the I / F module A surrounded by the thick one-dot chain line is an electrical device other than the I / F module A.

以上の如くスイッチギヤに組み込まれる制御回路装置は、制御電源５及び試験用端子１５を内蔵したI/F モジュールＡに、遮断器２、電流センサ２０、表示／制御器２２等の電気機器が夫々コネクタ２４…によって接続されるとともに、接点２５，２６が接続された構成となっている。この制御回路装置のI/F モジュールＡがコネクタ２４によって配線モジュール２１に接続される。   As described above, the control circuit device incorporated in the switchgear includes the I / F module A incorporating the control power source 5 and the test terminal 15, and the electrical devices such as the circuit breaker 2, the current sensor 20, and the display / controller 22. In addition to being connected by connectors 24..., Contacts 25 and 26 are connected. The I / F module A of this control circuit device is connected to the wiring module 21 by the connector 24.

尚、上記実施の形態では表示／制御器２２が１体のものを示したが、表示器と制御器とは夫々別の機器として分離されたものであってもよい。   In the above embodiment, the single display / controller 22 is shown, but the display and the controller may be separated as separate devices.

また、上記実施の形態ではI/F モジュールＡが制御電源５及び試験用端子１５を備えた構成としたが、これら制御電源５及び試験用端子１５はユーザーによって仕様が変わることもあるため、制御電源５及び試験用端子１５を接続回路２３とともにI/F モジュールＡとする必要はない。   In the above embodiment, the I / F module A is configured to include the control power supply 5 and the test terminal 15. However, the specifications of the control power supply 5 and the test terminal 15 may vary depending on the user. The power supply 5 and the test terminal 15 do not need to be the I / F module A together with the connection circuit 23.

本発明に係るスイッチギヤの構成を示す前面扉を開放した状態の斜視図である。It is a perspective view of the state which opened the front door which shows the composition of the switchgear concerning the present invention. 本発明に係るスイッチギヤ接続回路に電気機器を接続した構成を示す接続ブロック図である。It is a connection block diagram which shows the structure which connected the electric equipment to the switchgear connection circuit which concerns on this invention. 本発明に係るスイッチギヤを構成する電気機器の一部を抽出してなるスイッチギヤ接続回路の斜視図である。It is a perspective view of the switchgear connection circuit which extracts a part of electric equipment which constitutes the switchgear concerning the present invention. 本発明に係るスイッチギヤ接続回路内の回路図である。It is a circuit diagram in the switchgear connection circuit which concerns on this invention. 本発明に係るスイッチギヤ接続回路を１点鎖線で囲った三線接続図である。FIG. 3 is a three-line connection diagram in which a switchgear connection circuit according to the present invention is surrounded by a one-dot chain line. 図１のスイッチギヤの展開接続図である。FIG. 2 is a developed connection diagram of the switch gear of FIG. 1. 従来のスイッチギヤの前面扉を開いた状態の模式的斜視図である。It is a typical perspective view of the state which opened the front door of the conventional switchgear. 従来のスイッチギヤの三線接続図である。It is a three-wire connection diagram of the conventional switchgear. 図７のスイッチギヤの展開接続図である。FIG. 8 is a developed connection diagram of the switch gear of FIG. 7.

符号の説明Explanation of symbols

２ 遮断器、５ 制御電源、２２ 制御器、２３ 接続回路、２４ コネクタ、Ａ スイッチギヤ接続回路。   2 circuit breaker, 5 control power supply, 22 controller, 23 connection circuit, 24 connector, A switchgear connection circuit.

Claims (7)

遮断器につながる第１コネクタと前記遮断器を制御する制御器につながる第２コネクタと前記遮断器および前記制御器に電力を供給する電源につながる第３コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、
一端を前記第１コネクタに接続する第１接続線の他端と、一端を前記第２コネクタに接続する第２接続線の他端と、一端を前記第３コネクタに接続する第３接続線の他端とをともに、電気的に同電位とする接続点を前記第１、第２、第３接続線のいずれかの他端に設けたことを特徴とするスイッチギヤ接続回路。 A first connector connected to the circuit breaker; a second connector connected to a controller for controlling the circuit breaker; and a third connector connected to a power supply for supplying power to the circuit breaker and the controller. Provided with a connection circuit connected with a predetermined connection line,
The other end of the first connection line that connects one end to the first connector, the other end of the second connection line that connects one end to the second connector, and the third connection line that connects one end to the third connector A switchgear connection circuit, characterized in that a connection point for electrically connecting the other end to the same potential is provided at the other end of any of the first, second and third connection lines. 遮断器につながる第１コネクタと前記遮断器を制御する制御器につながる第２コネクタと前記遮断器および前記制御器に電力を供給する電源につながる第３コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、
前記接続回路の第２コネクタと第３コネクタ間を接続する接続線の途中に電気的な接続点を設け、前記接続点から前記第１コネクタを接続する接続線を設けたことを特徴とするスイッチギヤ接続回路。 A first connector connected to the circuit breaker; a second connector connected to a controller for controlling the circuit breaker; and a third connector connected to a power supply for supplying power to the circuit breaker and the controller. Provided with a connection circuit connected with a predetermined connection line,
An electrical connection point is provided in the middle of a connection line connecting the second connector and the third connector of the connection circuit, and a connection line for connecting the first connector from the connection point is provided. Gear connection circuit. 遮断器につながる第１コネクタと前記遮断器を制御する制御器につながる第２コネクタと前記遮断器および前記制御器に電力を供給する電源につながる第３コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、
前記接続回路の第１コネクタと第３コネクタ間を接続する接続線の途中に電気的な接続点を設け、前記接続点から前記第２コネクタを接続する接続線を設けたことを特徴とするスイッチギヤ接続回路。 A first connector connected to a circuit breaker; a second connector connected to a controller for controlling the circuit breaker; and a third connector connected to a power supply for supplying power to the circuit breaker and the controller. Provided with a connection circuit connected with a predetermined connection line
An electrical connection point is provided in the middle of a connection line connecting the first connector and the third connector of the connection circuit, and a connection line for connecting the second connector from the connection point is provided. Gear connection circuit. 遮断器につながる第１コネクタと前記遮断器を制御する制御器につながる第２コネクタと前記遮断器および前記制御器に電力を供給する電源につながる第３コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、
前記接続回路の第１コネクタと第２コネクタ間を接続する接続線の途中に電気的な接続点を設け、前記接続点から前記第３コネクタを接続する接続線を設けたことを特徴とするスイッチギヤ接続回路。 A first connector connected to a circuit breaker; a second connector connected to a controller for controlling the circuit breaker; and a third connector connected to a power supply for supplying power to the circuit breaker and the controller. Provided with a connection circuit connected with a predetermined connection line
An electrical connection point is provided in the middle of a connection line that connects between the first connector and the second connector of the connection circuit, and a connection line that connects the third connector from the connection point is provided. Gear connection circuit. 遮断器につながる第１コネクタと前記遮断器を制御する制御器につながる第２コネクタと電気機器につながる第３コネクタと前記制御器および前記電気機器に電力を供給する電源につながる第４コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、
前記接続回路の第３コネクタと第４コネクタ間を接続する接続線の途中に電気的な接続点を設け、前記接続点から前記第２コネクタを接続する接続線を設けたことを特徴とするスイッチギヤ接続回路。 A first connector connected to a circuit breaker, a second connector connected to a controller for controlling the circuit breaker, a third connector connected to an electrical device, and a fourth connector connected to a power source for supplying power to the controller and the electrical device. Having a connection circuit connecting the connectors with a predetermined connection line,
An electrical connection point is provided in the middle of a connection line connecting the third connector and the fourth connector of the connection circuit, and a connection line for connecting the second connector from the connection point is provided. Gear connection circuit. 遮断器につながる第１コネクタと、前記遮断器を制御する制御器につながる第２コネクタと、電気機器につながる第３コネクタと、前記遮断器および前記制御器、前記電気機器に電力を供給する電源につながる第４コネクタとを有し、前記各コネクタ間を所定の接続線で接続した接続回路を備え、
前記接続回路の第３コネクタと第４コネクタ間を接続する接続線の途中に複数の電気的な接続点を設け、前記接続点から前記第１コネクタと前記第２コネクタを接続する接続線を設けたことを特徴とするスイッチギヤ接続回路。 A first connector connected to a circuit breaker; a second connector connected to a controller for controlling the circuit breaker; a third connector connected to an electrical device; a power source for supplying power to the circuit breaker and the controller; A fourth connector connected to the connector, and a connection circuit in which the connectors are connected by a predetermined connection line,
A plurality of electrical connection points are provided in the middle of a connection line connecting the third connector and the fourth connector of the connection circuit, and a connection line connecting the first connector and the second connector is provided from the connection point. A switchgear connection circuit characterized by that. 請求項１ないし６のいずれか一つに記載のスイッチギヤ接続回路を備えたことを特徴とするスイッチギヤ。   A switchgear comprising the switchgear connection circuit according to any one of claims 1 to 6.
JP2008180390A 2008-07-10 2008-07-10 Switchgear connection circuit and switchgear using the same Expired - Fee Related JP4681030B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008180390A JP4681030B2 (en) 2008-07-10 2008-07-10 Switchgear connection circuit and switchgear using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008180390A JP4681030B2 (en) 2008-07-10 2008-07-10 Switchgear connection circuit and switchgear using the same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP31162599A Division JP4301658B2 (en) 1999-11-01 1999-11-01 Switchgear

Publications (2)

Publication Number Publication Date
JP2008253138A true JP2008253138A (en) 2008-10-16
JP4681030B2 JP4681030B2 (en) 2011-05-11

Family

ID=39977427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008180390A Expired - Fee Related JP4681030B2 (en) 2008-07-10 2008-07-10 Switchgear connection circuit and switchgear using the same

Country Status (1)

Country Link
JP (1) JP4681030B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010259142A (en) * 2009-04-21 2010-11-11 Mitsubishi Electric Corp Switchgear
JP2012196073A (en) * 2011-03-17 2012-10-11 Toshiba Mitsubishi-Electric Industrial System Corp Control device for updating, control system, and control system manufacturing method
JP5608861B1 (en) * 2013-09-20 2014-10-15 地方独立行政法人山口県産業技術センター Control unit and electric control panel equipped with it

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63249409A (en) * 1987-04-02 1988-10-17 三菱電機株式会社 Enclosed switchboard
JPH05300615A (en) * 1992-04-22 1993-11-12 Mitsubishi Electric Corp Controller of receiving/distributing equipment
JPH06189418A (en) * 1992-12-17 1994-07-08 Mitsubishi Electric Corp Metallic enclosed-type switch gear
JPH06189419A (en) * 1992-12-14 1994-07-08 Mitsubishi Electric Corp I/f module of switch control module
JPH07143626A (en) * 1993-11-12 1995-06-02 Mutsuo Hamaguchi Electric control board and controller unit used for this board
JPH07262902A (en) * 1994-03-24 1995-10-13 Mitsubishi Electric Corp Electric leakage breaker
JPH08256500A (en) * 1995-01-20 1996-10-01 Sankyo Seiki Mfg Co Ltd Multiple-spindle motor controller
JP2002171616A (en) * 2000-11-29 2002-06-14 Toshiba Corp Transformer control panel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63249409A (en) * 1987-04-02 1988-10-17 三菱電機株式会社 Enclosed switchboard
JPH05300615A (en) * 1992-04-22 1993-11-12 Mitsubishi Electric Corp Controller of receiving/distributing equipment
JPH06189419A (en) * 1992-12-14 1994-07-08 Mitsubishi Electric Corp I/f module of switch control module
JPH06189418A (en) * 1992-12-17 1994-07-08 Mitsubishi Electric Corp Metallic enclosed-type switch gear
JPH07143626A (en) * 1993-11-12 1995-06-02 Mutsuo Hamaguchi Electric control board and controller unit used for this board
JPH07262902A (en) * 1994-03-24 1995-10-13 Mitsubishi Electric Corp Electric leakage breaker
JPH08256500A (en) * 1995-01-20 1996-10-01 Sankyo Seiki Mfg Co Ltd Multiple-spindle motor controller
JP2002171616A (en) * 2000-11-29 2002-06-14 Toshiba Corp Transformer control panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010259142A (en) * 2009-04-21 2010-11-11 Mitsubishi Electric Corp Switchgear
JP2012196073A (en) * 2011-03-17 2012-10-11 Toshiba Mitsubishi-Electric Industrial System Corp Control device for updating, control system, and control system manufacturing method
JP5608861B1 (en) * 2013-09-20 2014-10-15 地方独立行政法人山口県産業技術センター Control unit and electric control panel equipped with it

Also Published As

Publication number Publication date
JP4681030B2 (en) 2011-05-11

Similar Documents

Publication Publication Date Title
US20030086228A1 (en) Compact low AMP electronic circuit breaker or residential load center
US6809509B2 (en) Electrical monitoring system
US8446702B2 (en) Circuit breaker
JP4681030B2 (en) Switchgear connection circuit and switchgear using the same
JP5268969B2 (en) Digital test plug and power / phase measurement method using the same
JP4301658B2 (en) Switchgear
JP4500130B2 (en) Method and apparatus for checking wiring connection of outlet with ground electrode
KR20100052331A (en) Underground low voltage power distributor and control method thereof
JP2008289301A (en) Distribution board with monitoring function
RU2422965C1 (en) Method to protect furnace transformer with phases arranged at lower voltage side such as group of separate conductors
JP4543421B2 (en) Power distribution facilities
JP6443840B2 (en) Circuit breaker
KR100358197B1 (en) Tester For Relay
KR101307939B1 (en) Incoming panel for protecting current transformer
JP4626311B2 (en) Equipment for distribution boards
CN109300749B (en) Differential electric protection device
JP3856187B2 (en) Operation tester for earth leakage breaker
JP7233355B2 (en) Mounting terminal block for circuit breaker
JP5131900B2 (en) Circuit breaker and distribution board for wiring with current alarm
JPH11134999A (en) Breaker and distribution board with built-in current detecting current transformer
JP4684022B2 (en) Electric energy metering method and electric energy metering device
JP3887438B2 (en) Substation equipment
JP2010151488A (en) Device and system for detecting ground fault
JPH06189418A (en) Metallic enclosed-type switch gear
KR100922265B1 (en) Breaker

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080710

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101109

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101224

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110201

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110203

R150 Certificate of patent or registration of utility model

Ref document number: 4681030

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140210

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees