JPS63194530U - - Google Patents

Info

Publication number
JPS63194530U
JPS63194530U JP8571987U JP8571987U JPS63194530U JP S63194530 U JPS63194530 U JP S63194530U JP 8571987 U JP8571987 U JP 8571987U JP 8571987 U JP8571987 U JP 8571987U JP S63194530 U JPS63194530 U JP S63194530U
Authority
JP
Japan
Prior art keywords
switch
overcurrent
detecting
relay
power system
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
Application number
JP8571987U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP8571987U priority Critical patent/JPS63194530U/ja
Publication of JPS63194530U publication Critical patent/JPS63194530U/ja
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の開閉器制御装置を
示す回路図、第２図は従来の開閉器制御装置の一
例を示す回路図である。 １０…電源トランス、１０…コンデンサ畜勢ト
リツプ出力回路、２２…ａ接点、４０…電源断検
出回路、４３…コンデンサ、４５，４６…ナンド
ゲート、５０…過電流記憶回路、５３…コイル、
５４…ａ接点、５７…コンデンサ、５９，６０…
ナンドゲート、８１…トリツプコイル、８２，８
３…過電流接点、９１…ＯＲ回路、Ｘ…トリツプ
用継電器。 FIG. 1 is a circuit diagram showing a switch control device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional switch control device. DESCRIPTION OF SYMBOLS 10... Power transformer, 10... Capacitor feed trip output circuit, 22... A contact, 40... Power failure detection circuit, 43... Capacitor, 45, 46... NAND gate, 50... Overcurrent memory circuit, 53... Coil,
54... A contact, 57... Capacitor, 59, 60...
Nand gate, 81...Trip coil, 82,8
3...Overcurrent contact, 91...OR circuit, X...trip relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電力系統に配設される開閉器に設けられてこれ
を制御する開閉器制御装置であつて、前記電力系
統の過電流を検出して動作する過電流継電器のａ
接点を介して駆動電源に直列接続した継電器と、
この継電器が励磁されたときこのことを示す過電
流情報を所定時間保持する記憶手段と、前記電力
系統の電源断を検出し、かつ、前記過電流情報が
保持された状態で電源断を検出したとき前記開閉
器のトリツプコイルを励磁するトリツプ信号を生
成する電源断検出回路とを備えたことを特徴とす
る開閉器制御装置。 A switch control device that is installed in a switch installed in an electric power system and controls it, which is an overcurrent relay that operates by detecting an overcurrent in the electric power system.
A relay connected in series to the drive power source via contacts,
a storage means for retaining overcurrent information for a predetermined period of time when the relay is energized; detecting a power outage in the power system; and detecting a power outage while retaining the overcurrent information; A switch control device comprising: a power failure detection circuit that generates a trip signal that excites a trip coil of the switch when the switch is turned on.
JP8571987U 1987-06-03 1987-06-03 Pending JPS63194530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8571987U JPS63194530U (en) 1987-06-03 1987-06-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8571987U JPS63194530U (en) 1987-06-03 1987-06-03

Publications (1)

Publication Number Publication Date
JPS63194530U true JPS63194530U (en) 1988-12-14

Family

ID=30941377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8571987U Pending JPS63194530U (en) 1987-06-03 1987-06-03

Country Status (1)

Country Link
JP (1) JPS63194530U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232551A (en) * 1975-09-06 1977-03-11 Oogaki Denki Seisakusho:Kk Switch control circuit
JPS5259836A (en) * 1975-11-11 1977-05-17 Ogaki Denki Seisakushiyo Kk Switch controlling circuit
JPS5329553A (en) * 1976-08-31 1978-03-18 Omron Tateisi Electronics Co Switch control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232551A (en) * 1975-09-06 1977-03-11 Oogaki Denki Seisakusho:Kk Switch control circuit
JPS5259836A (en) * 1975-11-11 1977-05-17 Ogaki Denki Seisakushiyo Kk Switch controlling circuit
JPS5329553A (en) * 1976-08-31 1978-03-18 Omron Tateisi Electronics Co Switch control device

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