JPS53109142A - Input device protective relay - Google Patents
Input device protective relayInfo
- Publication number
- JPS53109142A JPS53109142A JP2422477A JP2422477A JPS53109142A JP S53109142 A JPS53109142 A JP S53109142A JP 2422477 A JP2422477 A JP 2422477A JP 2422477 A JP2422477 A JP 2422477A JP S53109142 A JPS53109142 A JP S53109142A
- Authority
- JP
- Japan
- Prior art keywords
- input device
- protective relay
- device protective
- retrogressing
- lag
- 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 enable a failure to be detected with high precision and high speed, by providing a device which samples and holds analog voltage and current values and correcting the lag in the propagating velocity of the advancing or retrogressing wave which depends on the surge impedance of the power system.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2422477A JPS53109142A (en) | 1977-03-04 | 1977-03-04 | Input device protective relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2422477A JPS53109142A (en) | 1977-03-04 | 1977-03-04 | Input device protective relay |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53109142A true JPS53109142A (en) | 1978-09-22 |
Family
ID=12132294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2422477A Pending JPS53109142A (en) | 1977-03-04 | 1977-03-04 | Input device protective relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53109142A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62193509A (en) * | 1986-02-17 | 1987-08-25 | 財団法人電力中央研究所 | Failure detection relay |
JPS63178719A (en) * | 1987-01-14 | 1988-07-22 | 日新電機株式会社 | Digital relay |
-
1977
- 1977-03-04 JP JP2422477A patent/JPS53109142A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62193509A (en) * | 1986-02-17 | 1987-08-25 | 財団法人電力中央研究所 | Failure detection relay |
JPS63178719A (en) * | 1987-01-14 | 1988-07-22 | 日新電機株式会社 | Digital relay |
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