JPS53139151A - Dc transmission line disconnection detection - Google Patents
Dc transmission line disconnection detectionInfo
- Publication number
- JPS53139151A JPS53139151A JP5315677A JP5315677A JPS53139151A JP S53139151 A JPS53139151 A JP S53139151A JP 5315677 A JP5315677 A JP 5315677A JP 5315677 A JP5315677 A JP 5315677A JP S53139151 A JPS53139151 A JP S53139151A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- disconnection detection
- line disconnection
- section
- max
- 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
Abstract
PURPOSE: To easily detect disconnection by monitoring the voltage of control circuits and detecting the control angle of the REC section is α min and that of the INV section β max.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5315677A JPS53139151A (en) | 1977-05-11 | 1977-05-11 | Dc transmission line disconnection detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5315677A JPS53139151A (en) | 1977-05-11 | 1977-05-11 | Dc transmission line disconnection detection |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53139151A true JPS53139151A (en) | 1978-12-05 |
Family
ID=12934973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5315677A Pending JPS53139151A (en) | 1977-05-11 | 1977-05-11 | Dc transmission line disconnection detection |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53139151A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55162815A (en) * | 1979-06-04 | 1980-12-18 | Tokyo Shibaura Electric Co | Dc transmission line disconnection protector |
JPS5622524A (en) * | 1979-08-01 | 1981-03-03 | Hitachi Ltd | Dc transmission line protecting system |
JPS5851727A (en) * | 1981-09-22 | 1983-03-26 | 関西電力株式会社 | Disconnection detector for dc transmission line |
-
1977
- 1977-05-11 JP JP5315677A patent/JPS53139151A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55162815A (en) * | 1979-06-04 | 1980-12-18 | Tokyo Shibaura Electric Co | Dc transmission line disconnection protector |
JPS5622524A (en) * | 1979-08-01 | 1981-03-03 | Hitachi Ltd | Dc transmission line protecting system |
JPS5851727A (en) * | 1981-09-22 | 1983-03-26 | 関西電力株式会社 | Disconnection detector for dc transmission line |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5283113A (en) | Communication system for picture and writings | |
JPS53139151A (en) | Dc transmission line disconnection detection | |
JPS51128300A (en) | Foreign matter detector | |
JPS57202870A (en) | Device for firing light-firing thyristor | |
JPS53105369A (en) | Detection method for impurity concentration | |
JPS57190274A (en) | Deterioration detecting circuit for smoothing circuit | |
JPS5297090A (en) | Disconnection and contact failure detector of detecting potentiometer in automatic control | |
JPS52123896A (en) | Detection circuit of disconnection of fire sensing circuit | |
JPS5321599A (en) | Lamp disconnection detecting circuit | |
JPS5252394A (en) | Transmission type smoke detector | |
JPS5336947A (en) | Connection device between rain doors | |
JPS5429410A (en) | Automatic block sections uniting system | |
JPS5261989A (en) | Interference disturbance prevention radar | |
JPS546723A (en) | Pickup device | |
JPS5374258A (en) | Insulation monitor | |
JPS5223296A (en) | Fire receiver | |
JPS51142257A (en) | Signal-vector discrimination circuit | |
JPS53120329A (en) | Signal detection circuit | |
JPS5322247A (en) | Elevator group controller | |
JPS546721A (en) | Pickup device | |
JPS53139072A (en) | Controller | |
JPS545546A (en) | Desconnection detector for transmission line | |
JPS5364742A (en) | Detection method of abnormal portion in electric network | |
JPS51120277A (en) | Fluid leakage detecting system | |
JPS5425449A (en) | Protective realy |