JPS5313149A - Protective relaying equipment - Google Patents
Protective relaying equipmentInfo
- Publication number
- JPS5313149A JPS5313149A JP8778376A JP8778376A JPS5313149A JP S5313149 A JPS5313149 A JP S5313149A JP 8778376 A JP8778376 A JP 8778376A JP 8778376 A JP8778376 A JP 8778376A JP S5313149 A JPS5313149 A JP S5313149A
- Authority
- JP
- Japan
- Prior art keywords
- protective relaying
- relaying equipment
- equipment
- protective
- influenced
- 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 obtain protective relaying equipment which is not influenced by electromagnetic induction disturbance, by transmitting electric value at each end of protective section through optical transmission means.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8778376A JPS5313149A (en) | 1976-07-22 | 1976-07-22 | Protective relaying equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8778376A JPS5313149A (en) | 1976-07-22 | 1976-07-22 | Protective relaying equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5313149A true JPS5313149A (en) | 1978-02-06 |
Family
ID=13924566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8778376A Pending JPS5313149A (en) | 1976-07-22 | 1976-07-22 | Protective relaying equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5313149A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55114128A (en) * | 1979-02-23 | 1980-09-03 | Mitsubishi Electric Corp | Light protecting relay unit |
US4517619A (en) * | 1981-12-02 | 1985-05-14 | Mitsubishi Denki Kabushiki Kaisha | Protective relay system for a power system |
US4620257A (en) * | 1983-07-21 | 1986-10-28 | Hitachi, Ltd. | Carrier relay system |
JPH0547849U (en) * | 1990-12-26 | 1993-06-25 | 九州電子金属株式会社 | Sample cup for small samples |
-
1976
- 1976-07-22 JP JP8778376A patent/JPS5313149A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55114128A (en) * | 1979-02-23 | 1980-09-03 | Mitsubishi Electric Corp | Light protecting relay unit |
US4517619A (en) * | 1981-12-02 | 1985-05-14 | Mitsubishi Denki Kabushiki Kaisha | Protective relay system for a power system |
US4620257A (en) * | 1983-07-21 | 1986-10-28 | Hitachi, Ltd. | Carrier relay system |
JPH0547849U (en) * | 1990-12-26 | 1993-06-25 | 九州電子金属株式会社 | Sample cup for small samples |
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