JPS4026489B1 - - Google Patents
Info
- Publication number
- JPS4026489B1 JPS4026489B1 JP3631263A JP3631263A JPS4026489B1 JP S4026489 B1 JPS4026489 B1 JP S4026489B1 JP 3631263 A JP3631263 A JP 3631263A JP 3631263 A JP3631263 A JP 3631263A JP S4026489 B1 JPS4026489 B1 JP S4026489B1
- 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.)
- Pending
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
- H02H3/40—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 ratio of voltage and current
-
- 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
- H02H3/08—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 excess current
- H02H3/093—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 excess current with timing means
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21035262 US3240998A (en) | 1962-07-17 | 1962-07-17 | Protective relaying assembly |
| JP3631263A JPS4026489B1 (forum.php) | 1962-07-17 | 1963-07-17 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21035262 US3240998A (en) | 1962-07-17 | 1962-07-17 | Protective relaying assembly |
| JP3631263A JPS4026489B1 (forum.php) | 1962-07-17 | 1963-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4026489B1 true JPS4026489B1 (forum.php) | 1965-11-17 |
Family
ID=52813827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3631263A Pending JPS4026489B1 (forum.php) | 1962-07-17 | 1963-07-17 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3240998A (forum.php) |
| JP (1) | JPS4026489B1 (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3311785A (en) * | 1964-08-11 | 1967-03-28 | Westinghouse Electric Corp | Transistorized phase comparison relaying |
| US3414772A (en) * | 1966-06-29 | 1968-12-03 | Westinghouse Electric Corp | Differential relay with restraining means responsive to transformer bank voltage |
| US4408247A (en) * | 1980-09-10 | 1983-10-04 | Sybron Corporation | High voltage protection circuit for x-ray systems |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2551022A (en) * | 1945-11-30 | 1951-05-01 | Allis Chalmers Mfg Co | Electric protective system with inrush current compensation |
| US3048744A (en) * | 1953-08-25 | 1962-08-07 | English Electric Co Ltd | Electrical protective relay systems |
| GB873129A (en) * | 1956-12-21 | 1961-07-19 | English Electric Co Ltd | Improvements in and relating to electrical time-overcurrent protective relays |
| US2959716A (en) * | 1958-07-28 | 1960-11-08 | Raymond Rodick | Noise insensitive, signal detecting and relay operating apparatus |
| US3155879A (en) * | 1960-12-07 | 1964-11-03 | Gen Electric | Tripping arrangement for an electric circuit breaker |
-
1962
- 1962-07-17 US US21035262 patent/US3240998A/en not_active Expired - Lifetime
-
1963
- 1963-07-17 JP JP3631263A patent/JPS4026489B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3240998A (en) | 1966-03-15 |