JPH0217928U - - Google Patents
Info
- Publication number
- JPH0217928U JPH0217928U JP9541488U JP9541488U JPH0217928U JP H0217928 U JPH0217928 U JP H0217928U JP 9541488 U JP9541488 U JP 9541488U JP 9541488 U JP9541488 U JP 9541488U JP H0217928 U JPH0217928 U JP H0217928U
- Authority
- JP
- Japan
- Prior art keywords
- trip
- relay
- indicator
- operation indicator
- protective
- 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
Links
- 230000003287 optical effect Effects 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
図面はこの考案の一実施例を示し、第１図は静
止形過電流継電器を示す回路図、第２図は従来の
静止形過電流継電器を示す回路図である。
１４……トリツプ出力用リレー、１５……トリ
ツプ動作表示器、１７……引きはずしコイル、１
８……ＤＣ制御電源、２２……トライアツク。
The drawings show an embodiment of this invention, with FIG. 1 being a circuit diagram showing a static overcurrent relay, and FIG. 2 being a circuit diagram showing a conventional static overcurrent relay. 14...Trip output relay, 15...Trip operation indicator, 17...Trip coil, 1
8...DC control power supply, 22...Triack.
Claims (1)
器を備えた保護継電器であつて、 上記トリツプ出力用リレーおよびトリツプ動作表
示器を、引きはずしコイル用のＤＣ制御電源に接
続すると共に、 過電流検出光信号を受光して上記リレーおよび
表示器を駆動制御する光半導体要素を備えた 保護継電器。[Claims for Utility Model Registration] A protective relay equipped with a trip output relay and a trip operation indicator, wherein the trip output relay and the trip operation indicator are connected to a DC control power source for a trip coil. A protective relay comprising an optical semiconductor element that receives an overcurrent detection optical signal and drives and controls the relay and indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9541488U JPH0217928U (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9541488U JPH0217928U (en) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0217928U true JPH0217928U (en) | 1990-02-06 |
Family
ID=31320084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9541488U Pending JPH0217928U (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217928U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS451466Y1 (en) * | 1966-12-09 | 1970-01-22 | ||
| JPS5045252A (en) * | 1973-08-13 | 1975-04-23 | ||
| JPS5380547A (en) * | 1976-12-25 | 1978-07-17 | Fuji Electric Co Ltd | Electric current detecting circuit |
| JPS5755616A (en) * | 1980-09-20 | 1982-04-02 | Omron Tateisi Electronics Co | Transistor relay |
| JPS6248215A (en) * | 1985-08-27 | 1987-03-02 | 松下電工株式会社 | Overcurrent relay for dc circuit |
-
1988
- 1988-07-19 JP JP9541488U patent/JPH0217928U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS451466Y1 (en) * | 1966-12-09 | 1970-01-22 | ||
| JPS5045252A (en) * | 1973-08-13 | 1975-04-23 | ||
| JPS5380547A (en) * | 1976-12-25 | 1978-07-17 | Fuji Electric Co Ltd | Electric current detecting circuit |
| JPS5755616A (en) * | 1980-09-20 | 1982-04-02 | Omron Tateisi Electronics Co | Transistor relay |
| JPS6248215A (en) * | 1985-08-27 | 1987-03-02 | 松下電工株式会社 | Overcurrent relay for dc circuit |