JPS536855A - Digital protective relay inspection system - Google Patents
Digital protective relay inspection systemInfo
- Publication number
- JPS536855A JPS536855A JP8140576A JP8140576A JPS536855A JP S536855 A JPS536855 A JP S536855A JP 8140576 A JP8140576 A JP 8140576A JP 8140576 A JP8140576 A JP 8140576A JP S536855 A JPS536855 A JP S536855A
- Authority
- JP
- Japan
- Prior art keywords
- protective relay
- inspection system
- digital protective
- relay inspection
- digital
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To permit inspection for monitoring the defectiveness of a digital protective relay without using any mimic transmission line or the like by using a memory circuit for preliminarily storing digital data in a digital quantity.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8140576A JPS536855A (en) | 1976-07-08 | 1976-07-08 | Digital protective relay inspection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8140576A JPS536855A (en) | 1976-07-08 | 1976-07-08 | Digital protective relay inspection system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS536855A true JPS536855A (en) | 1978-01-21 |
Family
ID=13745405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8140576A Pending JPS536855A (en) | 1976-07-08 | 1976-07-08 | Digital protective relay inspection system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS536855A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55122417A (en) * | 1979-03-14 | 1980-09-20 | Hitachi Ltd | Protecting relay inspecting system |
JPS5755724A (en) * | 1980-09-19 | 1982-04-02 | Meidensha Electric Mfg Co Ltd | Automatic monitor and inspect system for digital protection relay |
US4689570A (en) * | 1984-04-26 | 1987-08-25 | Mitsubishi Denki Kabushiki Kaisha | Digital protective relay monitoring system |
JP2011155779A (en) * | 2010-01-28 | 2011-08-11 | Hitachi Ltd | Digital protective relay device for power system provided with testing facility |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130338A (en) * | 1974-09-06 | 1976-03-15 | Tokyo Electric Power Co |
-
1976
- 1976-07-08 JP JP8140576A patent/JPS536855A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130338A (en) * | 1974-09-06 | 1976-03-15 | Tokyo Electric Power Co |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55122417A (en) * | 1979-03-14 | 1980-09-20 | Hitachi Ltd | Protecting relay inspecting system |
JPS5755724A (en) * | 1980-09-19 | 1982-04-02 | Meidensha Electric Mfg Co Ltd | Automatic monitor and inspect system for digital protection relay |
US4689570A (en) * | 1984-04-26 | 1987-08-25 | Mitsubishi Denki Kabushiki Kaisha | Digital protective relay monitoring system |
JP2011155779A (en) * | 2010-01-28 | 2011-08-11 | Hitachi Ltd | Digital protective relay device for power system provided with testing facility |
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