JPS5254932A - Relay system of detecting one line grounding accident - Google Patents
Relay system of detecting one line grounding accidentInfo
- Publication number
- JPS5254932A JPS5254932A JP13039275A JP13039275A JPS5254932A JP S5254932 A JPS5254932 A JP S5254932A JP 13039275 A JP13039275 A JP 13039275A JP 13039275 A JP13039275 A JP 13039275A JP S5254932 A JPS5254932 A JP S5254932A
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- accident
- relay system
- line grounding
- grounding accident
- 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: Mapping out the capability of securely detecting the one line grounding accident even if the accident point resistance is larger in the design that the accident judgment may be done taking notice of zero-phase voltage, antiphase voltage and phase difference of line voltage.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13039275A JPS5254932A (en) | 1975-10-31 | 1975-10-31 | Relay system of detecting one line grounding accident |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13039275A JPS5254932A (en) | 1975-10-31 | 1975-10-31 | Relay system of detecting one line grounding accident |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5254932A true JPS5254932A (en) | 1977-05-04 |
Family
ID=15033208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13039275A Pending JPS5254932A (en) | 1975-10-31 | 1975-10-31 | Relay system of detecting one line grounding accident |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5254932A (en) |
-
1975
- 1975-10-31 JP JP13039275A patent/JPS5254932A/en active Pending
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