JPS52121749A - Protective relay device - Google Patents
Protective relay deviceInfo
- Publication number
- JPS52121749A JPS52121749A JP3817876A JP3817876A JPS52121749A JP S52121749 A JPS52121749 A JP S52121749A JP 3817876 A JP3817876 A JP 3817876A JP 3817876 A JP3817876 A JP 3817876A JP S52121749 A JPS52121749 A JP S52121749A
- Authority
- JP
- Japan
- Prior art keywords
- relay device
- protective relay
- detecting
- unusually
- transmission
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To prevent misoperation of relay operation judging device by this detecting signal detecting precisely unusually of signal produced on transmission.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3817876A JPS52121749A (en) | 1976-04-07 | 1976-04-07 | Protective relay device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3817876A JPS52121749A (en) | 1976-04-07 | 1976-04-07 | Protective relay device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52121749A true JPS52121749A (en) | 1977-10-13 |
JPS5743016B2 JPS5743016B2 (en) | 1982-09-11 |
Family
ID=12518122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3817876A Granted JPS52121749A (en) | 1976-04-07 | 1976-04-07 | Protective relay device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52121749A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6055327U (en) * | 1983-09-24 | 1985-04-18 | 三菱農機株式会社 | Grain culm conveyor in combine harvester |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5242238A (en) * | 1975-10-01 | 1977-04-01 | Mitsubishi Electric Corp | Abnormality detector for differential protective relay |
JPS52103647A (en) * | 1976-02-27 | 1977-08-31 | Chugoku Electric Power Co Ltd:The | Protection controller |
-
1976
- 1976-04-07 JP JP3817876A patent/JPS52121749A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5242238A (en) * | 1975-10-01 | 1977-04-01 | Mitsubishi Electric Corp | Abnormality detector for differential protective relay |
JPS52103647A (en) * | 1976-02-27 | 1977-08-31 | Chugoku Electric Power Co Ltd:The | Protection controller |
Also Published As
Publication number | Publication date |
---|---|
JPS5743016B2 (en) | 1982-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS53120295A (en) | Subject discrimination device | |
JPS5422546A (en) | Transmission line protective relay | |
JPS52121749A (en) | Protective relay device | |
JPS5234569A (en) | Vibration preventing device for full automatic washer | |
JPS52128168A (en) | Car type discrimination device | |
JPS52152051A (en) | Elevator signal transmitting device | |
JPS52112942A (en) | Device for calculating stoppage of elevator | |
JPS5221729A (en) | Key input device | |
JPS535743A (en) | Observati on device of bus protecting relay | |
JPS5222871A (en) | Sampler circuit | |
JPS51113424A (en) | Wright pen signal transmission device | |
JPS5390707A (en) | Detecting system for circuit fault | |
JPS545698A (en) | Automatic fire alarm device | |
JPS5329029A (en) | Position detecting method | |
JPS53149730A (en) | Memory device | |
JPS5228649A (en) | Data error detector | |
JPS5353748A (en) | Protective relays | |
JPS51129198A (en) | Abnormal supervisory circuit of trafic signal controll circuit. | |
JPS51124214A (en) | Point control type signal selecting device | |
JPS5227957A (en) | Device for discriminating position of transmission gear | |
JPS52103647A (en) | Protection controller | |
JPS528444A (en) | Distance relay device | |
JPS53102611A (en) | Companding circuit for signal | |
JPS52115053A (en) | Device for indicating ride of elevator | |
JPS5442634A (en) | Protective relay inspection circuit |