JPS5248035A - Protection relay device - Google Patents
Protection relay deviceInfo
- Publication number
- JPS5248035A JPS5248035A JP12342775A JP12342775A JPS5248035A JP S5248035 A JPS5248035 A JP S5248035A JP 12342775 A JP12342775 A JP 12342775A JP 12342775 A JP12342775 A JP 12342775A JP S5248035 A JPS5248035 A JP S5248035A
- Authority
- JP
- Japan
- Prior art keywords
- relay device
- protection relay
- differnce
- comparing
- voltage
- 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 always attain a high speed operation for the changes in AC voltage, current and phase by storing normal input waveforms into a memory, comparing them with instantaneous values and performing operation if the differnce therebetween exceeds a predetermined value.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12342775A JPS5248035A (en) | 1975-10-14 | 1975-10-14 | Protection relay device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12342775A JPS5248035A (en) | 1975-10-14 | 1975-10-14 | Protection relay device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5248035A true JPS5248035A (en) | 1977-04-16 |
Family
ID=14860282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12342775A Pending JPS5248035A (en) | 1975-10-14 | 1975-10-14 | Protection relay device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5248035A (en) |
-
1975
- 1975-10-14 JP JP12342775A patent/JPS5248035A/en active Pending
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