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 (xx) | 1958-08-01 |
Family
ID=7470051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1265855U Expired JPS3311545Y1 (xx) | 1943-04-22 | 1955-01-03 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS3311545Y1 (xx) |
| DE (1) | DE974341C (xx) |
-
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 |