JPS53116447A - Protective relay for phase comparison carrier - Google Patents
Protective relay for phase comparison carrierInfo
- Publication number
- JPS53116447A JPS53116447A JP3028777A JP3028777A JPS53116447A JP S53116447 A JPS53116447 A JP S53116447A JP 3028777 A JP3028777 A JP 3028777A JP 3028777 A JP3028777 A JP 3028777A JP S53116447 A JPS53116447 A JP S53116447A
- Authority
- JP
- Japan
- Prior art keywords
- phase comparison
- protective relay
- comparison carrier
- carrier
- normal
- 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 enable a detection of malfunction incapable of being discovered in a normal supervisory operation, by a signal, different from that at the normal time, being transmitted back from the remote end, with a trip block signal continuously transmitted from one end.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3028777A JPS53116447A (en) | 1977-03-22 | 1977-03-22 | Protective relay for phase comparison carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3028777A JPS53116447A (en) | 1977-03-22 | 1977-03-22 | Protective relay for phase comparison carrier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53116447A true JPS53116447A (en) | 1978-10-11 |
Family
ID=12299495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3028777A Pending JPS53116447A (en) | 1977-03-22 | 1977-03-22 | Protective relay for phase comparison carrier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53116447A (en) |
-
1977
- 1977-03-22 JP JP3028777A patent/JPS53116447A/en active Pending
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