JP2002093292A - Switch trip control system - Google Patents

Switch trip control system

Info

Publication number
JP2002093292A
JP2002093292A JP2000280418A JP2000280418A JP2002093292A JP 2002093292 A JP2002093292 A JP 2002093292A JP 2000280418 A JP2000280418 A JP 2000280418A JP 2000280418 A JP2000280418 A JP 2000280418A JP 2002093292 A JP2002093292 A JP 2002093292A
Authority
JP
Japan
Prior art keywords
control device
trip
switch
sog
trip control
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
JP2000280418A
Other languages
Japanese (ja)
Other versions
JP3994650B2 (en
Inventor
Yasutaka Nishitsu
保隆 西津
Shusuke Koide
秀典 小出
Atsuya Iwabe
敦也 岩部
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.)
Togami Electric Mfg Co Ltd
Original Assignee
Togami Electric Mfg Co Ltd
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 Togami Electric Mfg Co Ltd filed Critical Togami Electric Mfg Co Ltd
Priority to JP2000280418A priority Critical patent/JP3994650B2/en
Publication of JP2002093292A publication Critical patent/JP2002093292A/en
Application granted granted Critical
Publication of JP3994650B2 publication Critical patent/JP3994650B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a switch trip control system having a simple structure and causing neither malfunction nor burnout of an SOG control. SOLUTION: An isolation transformer 2 is interposed in a power wire for feeding an operation power supply from a power incoming installation 200 to a trip control device 1 so that, even if a potential difference is generated between the power incoming installation 200 and the trip control device 1 in occurring lightning surge, the power incoming installation 200 and the trip control device 1 are put into an electrically insulated state so as to prevent the malfunction and burnout of the rip control device 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、避雷器を内蔵する
開閉器のトリップ動作をトリップ制御装置で制御する開
閉器トリップ制御システムに関し、特にトリップ制御装
置への操作電源の供給を改良した開閉器トリップ制御シ
ステムに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switchgear trip control system for controlling the tripping operation of a switchgear having a built-in lightning arrester by a trip control device, and more particularly to a switchgear trip in which supply of operation power to the trip control device is improved. Related to control systems.

【0002】[0002]

【従来の技術】従来、この種の開閉器トリップ制御シス
テムとして図3に示すものがあった。この図3は従来の
開閉器トリップ制御システムの回路構成図を示す。同図
において従来の開閉器トリップ制御システムは、電源側
の配電線300に接続され、この配電線300の落雷に
より生じる雷サージを接地側に放電する避雷器104を
内蔵し、自家用設備との分岐点となる分岐開閉器100
と、この分岐開閉器100の負荷側配線310に接続さ
れ、自家用設備に電圧を変圧して供給する受変電設備2
00と、この受変電設備200から操作電源線220を
介して制御用電源の供給を受け、前記分岐開閉器100
に対するSOG動作を制御するSOG制御装置1とを備
える構成である。
2. Description of the Related Art FIG. 3 shows a conventional switch trip control system of this type. FIG. 3 shows a circuit diagram of a conventional switch trip control system. Referring to FIG. 1, the conventional switch trip control system includes a lightning arrester 104 connected to a power distribution line 300 on a power supply side and discharging a lightning surge generated by a lightning strike on the distribution line 300 to a ground side. Branch switch 100
And the substation equipment 2 connected to the load-side wiring 310 of the branch switch 100 and transforming and supplying the voltage to the private equipment.
00, the control power is supplied from the power receiving and transforming equipment 200 via the operation power supply line 220, and the branch switch 100
And a SOG control device 1 for controlling the SOG operation for the SOG.

【0003】このSOG制御装置1は、Z1、Z2、V
a、Vcの各制御線11が分岐開閉器100のケース本体
105内に配線され、この制御側の接地線(Z2制御
線)が分岐開閉器100と共通接地される構成である。
このSOG動作は、過負荷又は短絡時の波及事故を防止
するために、過電流ロックの機能、過電流蓄勢トリップ
の機能及び地絡トリップの機能を併せ持つ動作をいう。
[0003] This SOG control device 1 has Z1, Z2, V
Each of the control lines 11a and 11c is wired in the case body 105 of the branch switch 100, and the control side ground line (Z2 control line) is commonly grounded to the branch switch 100.
The SOG operation refers to an operation having both an overcurrent lock function, an overcurrent storage trip function, and a ground fault trip function, in order to prevent an overload or a short circuit accident at the time of short circuit.

【0004】次に、前記構成に基づく従来の開閉器トリ
ップ制御システムにおける雷サージとSOG動作との関
係について説明する。まず、負荷側配線310に接続さ
れる需要者側の自家用設備で過負荷又は短絡事故が発生
した場合には、分岐開閉器100に事故電流が流れ、こ
の事故電流のエネルギーで分岐開閉器100を一度ロッ
クして投入状態を維持し、この事故電流信号を過電流ロ
ックリレーが検出してSOG制御装置1へ入力し、この
SOG制御装置1が電源側の遮断装置(図示を省略)の
動作後に無充電状態において所定時間後分岐開閉器10
0をトリップ動作させる。又地絡事故が発生した場合
は、地絡事故により分岐開閉器100に地絡電流が流
れ、この地絡電流を零相変流器101が検出してSOG
制御装置1へ入力し、このSOG制御装置1のトリップ
出力で分岐開閉器100をトリップ動作させる。
Next, the relationship between the lightning surge and the SOG operation in the conventional switch trip control system based on the above configuration will be described. First, when an overload or a short-circuit accident occurs in the customer's private equipment connected to the load-side wiring 310, an accident current flows through the branch switch 100, and the energy of the accident current causes the branch switch 100 to operate. Once locked, the closed state is maintained, and this fault current signal is detected by the overcurrent lock relay and input to the SOG control device 1. After the SOG control device 1 operates the power supply side cutoff device (not shown), After a predetermined time in a non-charged state, the branch switch 10
0 is tripped. When a ground fault occurs, a ground fault current flows through the branch switch 100 due to the ground fault, and the zero-phase current transformer 101 detects this ground fault current and the SOG
The branch switch 100 is tripped by the trip output of the SOG control device 1 after being input to the control device 1.

【0005】前記SOG制御装置1は、受変電設備20
0における変圧器202の二次側に接続される操作電源
線220を介して制御用電源の供給を受けVa、Vc端子
に接続される制御線11からの励磁電流により分岐開閉
器100のトリップコイル103を励磁させることによ
り接触子102を開路させてトリップ動作の制御を実行
する。
[0005] The SOG control device 1 includes a substation equipment 20.
0, the control coil is supplied with the control power via the operation power supply line 220 connected to the secondary side of the transformer 202, and the trip coil of the branch switch 100 is excited by the excitation current from the control line 11 connected to the Va and Vc terminals. By exciting the 103, the contact 102 is opened to control the trip operation.

【0006】また、電源側の配電線300に落雷があり
雷サージが生じた場合には、この雷サージは配電線30
0を介して分岐開閉器100に侵入して避雷器104が
動作し、ケース本体105及び接地線110を介して大
地側へ放電される。この避雷器104が動作すると接地
抵抗111により電位が上昇することとなるが、分岐開
閉器100のケース本体105とSOG制御装置1とは
接地線110により共通接地されているためケース本体
105とSOG制御装置1が同時に上昇して同電位とな
ることから制御電源を介して、変圧器の二次側線路に電
位上昇が及ぶことになる。
When a lightning strike occurs in the power distribution line 300 on the power supply side and a lightning surge occurs, the lightning surge
The lightning arrester 104 operates by invading the branch switch 100 through the line 0, and is discharged to the ground via the case body 105 and the ground wire 110. When the lightning arrester 104 operates, the potential rises due to the ground resistance 111. However, the case body 105 of the branch switch 100 and the SOG control device 1 are commonly grounded by the ground wire 110, so that the case body 105 and the SOG control Since the device 1 simultaneously rises and becomes the same potential, the potential rise reaches the secondary line of the transformer via the control power supply.

【0007】[0007]

【発明が解決しようとする課題】従来の開閉器トリップ
制御システムは以上のように構成されていたことから、
分岐開閉器100のケース本体105とSOG制御装置
1との間では電位差が生じないものの、SOG制御装置
1が受変電設備200の変圧器202から操作電源線2
20を介して制御用電源の供給を受け、この操作電源線
220が接続される変圧器202の二次側が別に接地さ
れていることから、前記配電線300の落雷で生じる雷
サージによりSOG制御装置1と変圧器202の二次側
との間には大きな電位差が生じ、SOG制御装置1の制
御に誤動作を生じさせ、SOG制御装置1自体を破壊又
は焼損させるという課題を有する。
Since the conventional switch trip control system of the prior art was constructed as described above,
Although there is no potential difference between the case body 105 of the branch switch 100 and the SOG control device 1, the SOG control device 1 is connected to the operating power supply line 2 from the transformer 202 of the substation 200.
Since the control power supply is supplied via the power supply 20 and the secondary side of the transformer 202 to which the operation power supply line 220 is connected is grounded separately, the SOG controller 1 and the secondary side of the transformer 202 generate a large potential difference, causing a malfunction in the control of the SOG control device 1 and causing the SOG control device 1 itself to be destroyed or burnt.

【0008】また、SOG制御装置1と変圧器202の
二次側との電位差に基づくSOG制御装置1の誤動作、
破壊・焼損を防止するために、分岐開閉器100内に電
圧変成器を内蔵して、この電圧変成器の二次側から制御
用電源をSOG制御装置1に供給することも考えられる
が、この分岐開閉器100に内蔵される電圧変成器は高
圧用を設置しなければならないため、製造コストが高騰
し、分岐開閉器100のケース本体105も大型化する
という課題を有する。
Further, malfunction of the SOG control device 1 based on a potential difference between the SOG control device 1 and the secondary side of the transformer 202,
In order to prevent destruction and burning, a voltage transformer is built in the branch switch 100, and control power is supplied to the SOG controller 1 from the secondary side of the voltage transformer. Since the voltage transformer incorporated in the branch switch 100 must be installed for a high voltage, the manufacturing cost increases and the case body 105 of the branch switch 100 also has a problem of being enlarged.

【0009】本発明は前記課題を解消するためになされ
たもので、簡略な構成でSOG制御装置の誤動作及び破
壊・焼損が発生しない開閉器トリップ制御システムを提
供することを目的をする。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has as its object to provide a switch trip control system with a simple configuration that does not cause malfunction and destruction / burning of an SOG control device.

【0010】[0010]

【課題を解決するための手段】本発明に係る開閉器トリ
ップ制御システムは、避雷器内蔵型の開閉器を自動的に
開路させる制御を少なくとも過電流ロック機能を有する
トリップ制御装置が実行し、当該トリップ制御装置が前
記開閉器の負荷側に接続される受電設備から操作電源の
供給を受ける開閉器トリップ制御システムにおいて、前
記受電設備からトリップ制御装置に操作電源を供給する
電源配線路中に絶縁用トランスを介装するものである。
このように本発明においては、受電設備からトリップ制
御装置へ操作電源を供給する電源配線路中に絶縁トラン
スを介装するようにしているので、雷サージ発生時に受
電設備とトリップ制御装置との間に電位差が生じたとし
ても、トリップ制御装置と受電設備とを電気的に絶縁状
態とすることにより、トリップ制御装置の誤動作及び焼
損を防止できる。
In a switch trip control system according to the present invention, a trip control device having at least an overcurrent lock function executes control for automatically opening a switch with a built-in lightning arrester. In a switch trip control system in which a control device receives operation power from power receiving equipment connected to a load side of the switch, an insulation transformer is provided in a power supply line for supplying operation power from the power receiving equipment to the trip control device. Intervening.
As described above, in the present invention, since the insulating transformer is interposed in the power supply line for supplying operation power from the power receiving equipment to the trip control device, the power transmission equipment may be connected between the power receiving equipment and the trip control device when a lightning surge occurs. Even if a potential difference occurs, the trip control device and the power receiving equipment are electrically insulated, thereby preventing malfunction and burnout of the trip control device.

【0011】また、本発明に係る開閉器トリップ制御シ
ステムは必要に応じて、絶縁用トランスがトリップ制御
装置を収納する制御箱に配設されるものである。このよ
うに本発明においては、トリップ制御装置の制御箱内に
おける配線接続孔とトリップ制御装置の配設位置との中
間に絶縁用トランスを配設するようにしているので、ト
リップ制御装置本体を新規に取替えることなく、既存の
ものを使用することができる。また、トリップ制御装置
を収納する制御箱内の配線を簡略化でき、制御箱自体を
コンパクト化できると共に、開閉器をコンパクト化でき
る。
Further, in the switch trip control system according to the present invention, the insulating transformer is provided in a control box accommodating the trip control device as required. As described above, in the present invention, since the insulating transformer is disposed between the wiring connection hole in the control box of the trip control device and the position where the trip control device is disposed, the trip control device body is newly provided. Existing ones can be used without replacement. Further, the wiring in the control box that houses the trip control device can be simplified, the control box itself can be made compact, and the switch can be made compact.

【0012】[0012]

【発明の実施の形態】以下、本発明の一実施の形態に係
る開閉器トリップ制御システムを図1及び図2に基づい
て説明する。この図1は本実施形態に係る開閉器トリッ
プ制御システムの全体回路構成図、図2は図1記載の開
閉器トリップ制御システムにおける絶縁トランス配置態
様図を示す。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A switch trip control system according to an embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an overall circuit configuration diagram of the switch trip control system according to the present embodiment, and FIG. 2 is a diagram showing an arrangement of insulating transformers in the switch trip control system shown in FIG.

【0013】前記各図において本実施形態に係る開閉器
トリップ制御システムは、前記図3に記載の従来システ
ムと同様に、分岐開閉器100、受変電設備200及び
SOG制御装置1を共通して備え、この構成に加え、受
変電設備200からSOG制御装置1へ低圧制御電源を
供給する制御用電源線220に絶縁トランス2を介装す
る構成である。この絶縁トランス2は、SOG制御装置
1が収納される制御ボックス10内に収納され、この制
御ボックス10の底面に形成される配線接続孔10aと
SOG制御装置1の端子台1aにおけるP1・P2端子と
の中間に配設される構成である。この絶縁トランス2
は、一次側のコイルと二次側のコイルとが絶縁されて独
自に巻回して形成され、一次側と二次側との間でノイズ
等の伝達をも阻止できるものである。
In each of the drawings, the switch trip control system according to the present embodiment includes a branch switch 100, a power receiving and transforming facility 200, and an SOG control device 1 in common with the conventional system shown in FIG. In addition to this configuration, an insulating transformer 2 is interposed in a control power supply line 220 for supplying low-voltage control power from the power receiving and transforming equipment 200 to the SOG control device 1. The insulating transformer 2 is housed in a control box 10 in which the SOG control device 1 is housed, and a wiring connection hole 10a formed on the bottom surface of the control box 10 and terminals P1 and P2 on the terminal block 1a of the SOG control device 1. This is a configuration that is arranged in the middle of the above. This insulation transformer 2
Is formed by winding a primary coil and a secondary coil independently and insulated from each other, and can also prevent transmission of noise and the like between the primary side and the secondary side.

【0014】次に、前記構成に基づく本実施形態に係る
開閉器トリップ制御システムの雷サージとSOG動作と
の関係について説明する。SOG制御装置1は、前記従
来システムと同様に過負荷又は短絡事故が発生した場合
に過電流ロック及び過電流蓄勢トリップを実行して電源
側の配電線300への波及事故を阻止する。また、地落
事故が発生した場合には分岐開閉器100を自動的に開
路する地落トリップを実行する。
Next, the relationship between the lightning surge and the SOG operation of the switch trip control system according to the present embodiment based on the above configuration will be described. The SOG control device 1 executes an overcurrent lock and an overcurrent storage trip when an overload or a short circuit fault occurs as in the conventional system described above, and prevents a spillover fault to the distribution line 300 on the power supply side. Further, when a ground accident occurs, a ground trip for automatically opening the branch switch 100 is executed.

【0015】このSOG制御装置1のSOG動作待機状
態において、電源側の配電線300に落雷があった場合
には、この配電線300を介して雷サージが分岐開閉器
100に侵入する。この分岐開閉器100に侵入した雷
サージは、避雷器104の閃絡によりケース本体105
及び接地線110を介して大地へ放電される。この放電
の際に、接地線110の接地抵抗111により分岐開閉
器100のケース本体105の対地電位が大きく上昇す
ると共に、共通接地されたZ2制御線11を介してSO
G制御装置1の電位も同時に大きく上昇する。
In the SOG operation standby state of the SOG control device 1, when a lightning strike occurs on the power distribution line 300, a lightning surge enters the branch switch 100 via the distribution line 300. The lightning surge that has entered the branch switch 100 is caused by flashing of the lightning arrester 104 and the case body 105
And discharge to the ground via the ground line 110. At the time of this discharge, the ground potential of the case body 105 of the branch switch 100 is greatly increased by the grounding resistance 111 of the grounding line 110, and the SO2 is connected via the common grounded Z2 control line 11.
The potential of the G control device 1 also increases greatly at the same time.

【0016】他方、前記避雷器104以降の負荷側配線
310へは、前記配電線300への落雷による雷サージ
の影響が生じない。この負荷側配線310に接続される
受変電設備200には、変圧器202が配設され、この
変圧器202の二次側の1相が接地線210に接続され
て接地されている。この変圧器202の二次側と前記S
OG制御装置1のP1・P2端子との間に操作電源線22
0が接続され、この操作電源線220と変圧器202の
二次側の1相とが共通接地された状態で、前記変圧器2
02の二次側から操作電源線220及び絶縁トランス2
を介してSOG制御装置1に制御電源が供給される。
On the other hand, the load-side wiring 310 after the lightning arrester 104 is not affected by the lightning surge caused by the lightning strike on the distribution line 300. A transformer 202 is provided in the power receiving and transforming facility 200 connected to the load-side wiring 310, and one phase on the secondary side of the transformer 202 is connected to a ground line 210 and grounded. The secondary side of the transformer 202 and the S
Operation power supply line 22 between P1 and P2 terminals of OG control device 1
0 is connected and the operation power supply line 220 and one phase on the secondary side of the transformer 202 are commonly grounded.
02 from the secondary side of the operation power supply line 220 and the insulation transformer 2
The control power is supplied to the SOG control device 1 via.

【0017】このように配電線300への落雷により発
生した雷サージが分岐開閉器100のケース本体105
及びSOG制御装置1の電位レベルを大きく上昇させる
のに対し、このSOG制御装置1に操作電源線220で
接続されて制御用電源を供給する変圧器202の二次側
の電位レベルが別途接続された接地線210により大地
レベルを維持するので電位の上昇がない。従って、この
SOG制御装置1と変圧器202の二次側とでは大きな
電位差が発生することとなるが操作電源線220に介装
される絶縁トランス2により電気的に完全な絶縁状態が
維持されているので、電位差により発生する電流の流入
がなくSOG制御装置1の誤動作又は破壊を未然に防止
することができる。
As described above, the lightning surge generated by the lightning strike on the distribution line 300 causes the case main body 105 of the branch switch 100.
And the potential level of the SOG control device 1 is greatly increased, whereas the potential level on the secondary side of the transformer 202 connected to the SOG control device 1 via the operation power supply line 220 and supplying the control power is separately connected. Since the ground level is maintained by the ground line 210, the potential does not rise. Accordingly, a large potential difference occurs between the SOG control device 1 and the secondary side of the transformer 202, but the insulating transformer 2 interposed in the operation power supply line 220 maintains an electrically complete insulation state. Therefore, there is no inflow of current generated due to the potential difference, and malfunction or destruction of the SOG control device 1 can be prevented.

【0018】また、絶縁トランス2を制御ボックス10
の配線接続孔10aとSOG制御装置1のP1・P2端子
との間に配設するようにしているので、制御ボックス1
0内の配線引き廻しを簡略化できると共に、既存のSO
G制御装置や操作電源線をそのまま使用することができ
る。なお、前記実施形態においては、絶縁トランス2を
SOG制御装置1と共に制御ボックス10内に配設する
構成としたが、絶縁トランス2を制御ボックス10の外
側、例えば受変電設備200内又は受変電設備200と
制御ボックス10との中間における操作電源線220に
介装する構成とすることもできる。
The insulating transformer 2 is connected to the control box 10
Is arranged between the wiring connection hole 10a of the SOG control device 1 and the P1 and P2 terminals of the SOG control device 1.
0 can be simplified and the existing SO
The G control device and the operation power supply line can be used as they are. In the above-described embodiment, the insulating transformer 2 is provided together with the SOG control device 1 in the control box 10. However, the insulating transformer 2 is provided outside the control box 10, for example, in the power receiving and transforming equipment 200 or in the power receiving and transforming equipment. A configuration may also be adopted in which an operation power supply line 220 is provided between the control box 200 and the control box 10.

【0019】[0019]

【発明の効果】本発明においては、受電設備からトリッ
プ制御装置へ操作電源を供給する電源配線路中に絶縁ト
ランスを介装するようにしているので、雷サージ発生時
に受電設備とトリップ制御装置との間に電位差が生じた
としても、トリップ制御装置と受電設備とを電気的に絶
縁状態とすることにより、トリップ制御装置の誤動作及
び焼損を防止できるという効果を有する。
According to the present invention, an insulating transformer is interposed in a power supply line for supplying operation power from the power receiving equipment to the trip control device. Even if a potential difference occurs between the trip control device and the power receiving equipment, the trip control device and the power receiving facility are electrically insulated from each other, so that malfunction and burnout of the trip control device can be prevented.

【0020】また、本発明においては、トリップ制御装
置の制御箱内における配線接続孔とトリップ制御装置の
配設位置との中間に絶縁用トランスを配設するようにし
ているので、トリップ制御装置本体を新規に取替えるこ
となく、既存のものを使用することができる。また、ト
リップ制御装置を収納する制御箱内の配線を簡略化でき
ると共に制御箱自体をコンパクト化できると共に、開閉
器をコンパクト化できるという効果を有する。
Further, in the present invention, since the insulating transformer is provided between the wiring connection hole in the control box of the trip control device and the position where the trip control device is provided, the trip control device body is provided. Can be used without exchanging a new one. Further, there is an effect that the wiring in the control box for housing the trip control device can be simplified, the control box itself can be made compact, and the switch can be made compact.

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

【図1】本発明の一実施の形態に係る開閉器トリップ制
御システムの全体回路構成図である。
FIG. 1 is an overall circuit configuration diagram of a switch trip control system according to an embodiment of the present invention.

【図2】図1記載の開閉器トリップ制御システムにおけ
る絶縁トランス配置態様図である。
FIG. 2 is a diagram showing an insulating transformer arrangement in the switch trip control system shown in FIG. 1;

【図3】従来の開閉器トリップ制御システムの回路構成
図である。
FIG. 3 is a circuit configuration diagram of a conventional switch trip control system.

【符号の説明】[Explanation of symbols]

1 SOG制御装置 1a 端子台 2 絶縁トランス 10 制御ボックス 10a 配線接続孔 11 制御線 100 分岐開閉器 101 零相変流器 102 接触子 103 トリップコイル 104 避雷器 105 ケース本体 110 接地線 111 接地抵抗 200 受変電設備 202 変圧器 220 操作電源線 300 配電線 310 負荷側配線 DESCRIPTION OF SYMBOLS 1 SOG control device 1a Terminal block 2 Insulation transformer 10 Control box 10a Wiring connection hole 11 Control line 100 Branch switch 101 Zero-phase current transformer 102 Contact 103 Trip coil 104 Lightning arrester 105 Case main body 110 Ground wire 111 Grounding resistance 200 Equipment 202 Transformer 220 Operation power supply line 300 Distribution line 310 Load side wiring

フロントページの続き (72)発明者 岩部 敦也 佐賀県佐賀市大財北町1番1号 株式会社 戸上電機製作所内 Fターム(参考) 5G004 AA01 AB02 BA01 BA03 BA04 BA07 CA04 DA01 DC10 FA01 5G028 AA16 AA21 FB01 FD04 Continuation of the front page (72) Inventor Atsuya Iwabe 1-1 1-1 Oitakita-cho, Saga-shi, Saga F-term in Togami Electric Co., Ltd. (Reference) 5G004 AA01 AB02 BA01 BA03 BA04 BA07 CA04 DA01 DC10 FA01 5G028 AA16 AA21 FB01 FD04

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 避雷器内蔵型の開閉器を自動的に開路さ
せる制御を少なくとも過電流ロック機能を有するトリッ
プ制御装置が実行し、当該トリップ制御装置が前記開閉
器の負荷側に接続される受電設備から操作電源の供給を
受ける開閉器トリップ制御システムにおいて、 前記受電設備からトリップ制御装置に操作電源を供給す
る電源配線路中に絶縁用トランスを介装することを特徴
とする開閉器トリップ制御システム。
1. A power receiving facility in which a trip control device having at least an overcurrent lock function executes control for automatically opening a switch with a built-in lightning arrester, and the trip control device is connected to a load side of the switch. A switch trip control system receiving a supply of operation power from a switch, wherein an insulation transformer is interposed in a power supply line for supplying operation power from the power receiving equipment to the trip control device.
【請求項2】 前記請求項1に記載の開閉器トリップ制
御システムにおいて、 前記絶縁用トランスがトリップ制御装置を収納する制御
箱に配設されることを特徴とする開閉器トリップ制御シ
ステム。
2. The switch trip control system according to claim 1, wherein the insulating transformer is provided in a control box that houses a trip control device.
JP2000280418A 2000-09-14 2000-09-14 Switch trip control system Expired - Fee Related JP3994650B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000280418A JP3994650B2 (en) 2000-09-14 2000-09-14 Switch trip control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000280418A JP3994650B2 (en) 2000-09-14 2000-09-14 Switch trip control system

Publications (2)

Publication Number Publication Date
JP2002093292A true JP2002093292A (en) 2002-03-29
JP3994650B2 JP3994650B2 (en) 2007-10-24

Family

ID=18765261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000280418A Expired - Fee Related JP3994650B2 (en) 2000-09-14 2000-09-14 Switch trip control system

Country Status (1)

Country Link
JP (1) JP3994650B2 (en)

Also Published As

Publication number Publication date
JP3994650B2 (en) 2007-10-24

Similar Documents

Publication Publication Date Title
US5371646A (en) Ground fault circuit interrupter
US8213133B2 (en) Load breaker arrangement
US9460879B2 (en) Circuit breaker assembly including a plurality of controllable circuit breakers for local and/or remote control
KR100506477B1 (en) Ground fault interrupter
US5793587A (en) Dual trip level ground fault interrupter
US6275044B1 (en) Arcing fault detection system
US4541030A (en) Protective electric house-wiring switch
US9954352B2 (en) Power system including a circuit providing smart zone selective interlocking communication
JP3240634B2 (en) Reverse power protection method for network distribution
KR840001584B1 (en) Wireless emergency power interrupting system for multibranch circuits
US3780348A (en) Self-controlled differential sectionaliser for the protection of low voltage electric power consumers
JP2002093292A (en) Switch trip control system
JP2001135204A (en) Transient current preventing unit in incoming substation facility
JP2002315183A (en) Power distribution system
JPH10108321A (en) Distribution board provided with earthquake sensing relay
KR200262224Y1 (en) Preventing structure for burn a secondary cable of three-phase ground transformer
SU1030911A1 (en) Device for power transmission to three-phase loads in isolated neutral system
Brewis et al. Theory and practical performance of interlocked overcurrent busbar zone protection in distribution substations
JPH08182220A (en) Overcurrent protective relay
JP6917875B2 (en) Switchgear and how to operate the switchgear
JPS6245767B2 (en)
JP2024064310A (en) High-voltage power receiving equipment equipped with section switches
Blower et al. Trends in distribution transformer protection
Mackay et al. Distribution system protection-the application of modular electronic schemes
JP2004311195A (en) Tripolar circuit breaker having tracking short circuit detection function, and distribution board

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20051201

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060718

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060913

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061003

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061204

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: 20070710

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070723

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

Free format text: PAYMENT UNTIL: 20100810

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 3994650

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: 20100810

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20110810

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20120810

Year of fee payment: 5

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

Free format text: PAYMENT UNTIL: 20130810

Year of fee payment: 6

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

Free format text: PAYMENT UNTIL: 20130810

Year of fee payment: 6

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

Free format text: PAYMENT UNTIL: 20140810

Year of fee payment: 7

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