JPS3311545Y1 - - Google Patents
Info
- Publication number
- JPS3311545Y1 JPS3311545Y1 JP1265855U JP1265855U JPS3311545Y1 JP S3311545 Y1 JPS3311545 Y1 JP S3311545Y1 JP 1265855 U JP1265855 U JP 1265855U JP 1265855 U JP1265855 U JP 1265855U JP S3311545 Y1 JPS3311545 Y1 JP S3311545Y1
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/34—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES3239D DE974341C (de) | 1943-04-22 | 1943-04-22 | Anordnung zur Erhoehung der Empfindlichkeit von Erdschlussrelais |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS3311545Y1 true JPS3311545Y1 (pt) | 1958-08-01 |
Family
ID=7470051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1265855U Expired JPS3311545Y1 (pt) | 1943-04-22 | 1955-01-03 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS3311545Y1 (pt) |
DE (1) | DE974341C (pt) |
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1943
- 1943-04-22 DE DES3239D patent/DE974341C/de not_active Expired
-
1955
- 1955-01-03 JP JP1265855U patent/JPS3311545Y1/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE974341C (de) | 1960-12-01 |