JPS3823217B1 - - Google Patents
Info
- Publication number
- JPS3823217B1 JPS3823217B1 JP1853759A JP1853759A JPS3823217B1 JP S3823217 B1 JPS3823217 B1 JP S3823217B1 JP 1853759 A JP1853759 A JP 1853759A JP 1853759 A JP1853759 A JP 1853759A JP S3823217 B1 JPS3823217 B1 JP S3823217B1
- 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
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/045—Differential protection of transformers
-
- 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
- H02H3/50—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 the appearance of abnormal wave forms, e.g. ac in dc installations
- H02H3/52—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 the appearance of abnormal wave forms, e.g. ac in dc installations responsive to the appearance of harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Transformers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74185458 US3144590A (en) | 1958-06-13 | 1958-06-13 | Frequency selective networks |
| JP1853759A JPS3823217B1 (US08092553-20120110-C00004.png) | 1958-06-13 | 1959-06-11 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74185458 US3144590A (en) | 1958-06-13 | 1958-06-13 | Frequency selective networks |
| JP1853759A JPS3823217B1 (US08092553-20120110-C00004.png) | 1958-06-13 | 1959-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS3823217B1 true JPS3823217B1 (US08092553-20120110-C00004.png) | 1963-10-31 |
Family
ID=53040310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1853759A Pending JPS3823217B1 (US08092553-20120110-C00004.png) | 1958-06-13 | 1959-06-11 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3144590A (US08092553-20120110-C00004.png) |
| JP (1) | JPS3823217B1 (US08092553-20120110-C00004.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180084061A (ko) | 2015-11-20 | 2018-07-24 | 다케우치 프레스 고교 가부시키가이샤 | 스퀴즈 용기 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275889A (en) * | 1958-06-13 | 1966-09-27 | Westinghouse Electric Corp | Protection network |
| SE304325B (US08092553-20120110-C00004.png) * | 1963-11-20 | 1968-09-23 | Asea Ab | |
| IL42142A (en) * | 1973-04-30 | 1976-05-31 | Tech Res & Dev Found Ltd | A detector for detecting incipient phase-asymmetry |
| US3944846A (en) * | 1974-03-19 | 1976-03-16 | Southern California Edison Company | Subsynchronous relay |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1823718A (en) * | 1925-09-14 | 1931-09-15 | Gen Electric | Remote control system |
| US1898752A (en) * | 1931-09-02 | 1933-02-21 | Gen Electric | Protective arrangement |
| US2143578A (en) * | 1937-03-12 | 1939-01-10 | Liberty Can & Sign Company | Receptacle discharge cap |
| US2231174A (en) * | 1939-10-31 | 1941-02-11 | Wired Radio Inc | Control system |
| DE744451C (de) * | 1940-06-06 | 1944-01-15 | Aeg | Differentialschutzeinrichtung |
| US2456541A (en) * | 1944-10-28 | 1948-12-14 | Bbc Brown Boveri & Cie | Differential relay |
| GB623970A (en) * | 1947-06-11 | 1949-05-25 | Rotax Ltd | Improvements relating to frequency-responsive electric relays |
| US2863100A (en) * | 1955-11-23 | 1958-12-02 | Gen Electric | Protective relaying equipment |
-
1958
- 1958-06-13 US US74185458 patent/US3144590A/en not_active Expired - Lifetime
-
1959
- 1959-06-11 JP JP1853759A patent/JPS3823217B1/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180084061A (ko) | 2015-11-20 | 2018-07-24 | 다케우치 프레스 고교 가부시키가이샤 | 스퀴즈 용기 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3144590A (en) | 1964-08-11 |
