JPH0326239U - - Google Patents
Info
- Publication number
- JPH0326239U JPH0326239U JP8516689U JP8516689U JPH0326239U JP H0326239 U JPH0326239 U JP H0326239U JP 8516689 U JP8516689 U JP 8516689U JP 8516689 U JP8516689 U JP 8516689U JP H0326239 U JPH0326239 U JP H0326239U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- time
- trip
- ground fault
- relays
- 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
Links
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は実施例にかかる時限制御装置の回路図
、第２図イは回線地絡継電方式の回路図、第２図
ロ及びハは第１及び第２トリツプ動作説明回路図
、第３図は従来時限制御装置の回路図である。
１……回線選択接地リレー、２……限時リレー
選択用タイマー、５……第１トリツプ用限時リレ
ー、６……第２トリツプ用限時リレー。
Fig. 1 is a circuit diagram of the time control device according to the embodiment, Fig. 2 A is a circuit diagram of the line ground fault relay system, Fig. 2 B and C are circuit diagrams explaining the first and second trip operations, and Fig. 3 The figure is a circuit diagram of a conventional time control device. 1... Line selection grounding relay, 2... Time limit relay selection timer, 5... Time limit relay for first trip, 6... Time limit relay for second trip.
Claims (1)
従つて順次トリツプされる複数の遮断器を備えた
回線地絡継電方式において、 前記各回線選択地絡リレー毎に、故障発生から
所定時間内出力する限時リレー選択用タイマー、
第１トリツプ用限時リレー、第２トリツプ用限時
リレー及び論理回路を設け、この論理回路により
、回線選択地絡リレーの出力時における限時リレ
ー選択用タイマーの出力の有無によつて第１又は
第２トリツプ用限時リレーを作動させ、遮断器ト
リツプ指令を出力するようにしたことを特徴とし
た回線地絡継電方式の時限制御装置。[Claims for Utility Model Registration] In a line ground fault relay system that includes a plurality of line selection relays and a plurality of circuit breakers that are sequentially tripped in accordance with the operation of the relays, for each of the line selection ground fault relays: , a timer for selecting a time-limited relay that outputs within a predetermined time from the occurrence of a failure;
A first trip time-limit relay, a second trip time-limit relay, and a logic circuit are provided, and the logic circuit determines whether or not the time limit relay selection timer outputs the first or second trip relay when the line selection ground fault relay outputs. A line ground fault relay type time control device characterized by activating a trip time limit relay and outputting a circuit breaker trip command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989085166U JP2536935Y2 (en) | 1989-07-20 | 1989-07-20 | Time-limit control device of line grounding relay system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989085166U JP2536935Y2 (en) | 1989-07-20 | 1989-07-20 | Time-limit control device of line grounding relay system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0326239U true JPH0326239U (en) | 1991-03-18 |
| JP2536935Y2 JP2536935Y2 (en) | 1997-05-28 |
Family
ID=31634141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989085166U Expired - Lifetime JP2536935Y2 (en) | 1989-07-20 | 1989-07-20 | Time-limit control device of line grounding relay system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536935Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125017A (en) * | 1979-03-19 | 1980-09-26 | Tokyo Electric Power Co | Protective relay system |
| JPS5656122A (en) * | 1979-10-15 | 1981-05-18 | Tokyo Shibaura Electric Co | Protecting relay device |
-
1989
- 1989-07-20 JP JP1989085166U patent/JP2536935Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125017A (en) * | 1979-03-19 | 1980-09-26 | Tokyo Electric Power Co | Protective relay system |
| JPS5656122A (en) * | 1979-10-15 | 1981-05-18 | Tokyo Shibaura Electric Co | Protecting relay device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536935Y2 (en) | 1997-05-28 |
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