JPS378341B1 - - Google Patents
Info
- Publication number
- JPS378341B1 JPS378341B1 JP2289960A JP2289960A JPS378341B1 JP S378341 B1 JPS378341 B1 JP S378341B1 JP 2289960 A JP2289960 A JP 2289960A JP 2289960 A JP2289960 A JP 2289960A JP S378341 B1 JPS378341 B1 JP S378341B1
- 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
- H02H7/08—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 dynamo-electric motors
- H02H7/0805—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 dynamo-electric motors for synchronous motors
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2289960A JPS378341B1 (US06534493-20030318-C00166.png) | 1959-05-07 | 1960-05-02 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US811664A US3048755A (en) | 1959-05-07 | 1959-05-07 | Synchronous motor control |
JP2289960A JPS378341B1 (US06534493-20030318-C00166.png) | 1959-05-07 | 1960-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS378341B1 true JPS378341B1 (US06534493-20030318-C00166.png) | 1962-07-16 |
Family
ID=25207197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2289960A Pending JPS378341B1 (US06534493-20030318-C00166.png) | 1959-05-07 | 1960-05-02 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3048755A (US06534493-20030318-C00166.png) |
JP (1) | JPS378341B1 (US06534493-20030318-C00166.png) |
GB (1) | GB907137A (US06534493-20030318-C00166.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3525913A (en) * | 1968-04-29 | 1970-08-25 | Westinghouse Electric Corp | Pullout protection for synchronous machines |
US3596511A (en) * | 1969-07-15 | 1971-08-03 | Schlumberger Technology Corp | Methods and apparatus for monitoring and controlling a tool in a borehole |
US3867677A (en) * | 1974-03-07 | 1975-02-18 | Nasa | Motor run-up system |
US4027216A (en) * | 1975-08-01 | 1977-05-31 | Portec, Inc. | Control device for a synchronous motor |
GB9002701D0 (en) * | 1990-02-07 | 1990-04-04 | Atomic Energy Authority Uk | A gauging system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2245189A (en) * | 1939-07-18 | 1941-06-10 | Gen Electric | Control system for alternating current motors |
US2530997A (en) * | 1947-05-28 | 1950-11-21 | Westinghouse Electric Corp | Starting control system for synchronous motors |
US2632875A (en) * | 1950-06-08 | 1953-03-24 | Allis Chalmers Mfg Co | Synchronous motor protective system operative on pull-out |
US2709235A (en) * | 1952-06-09 | 1955-05-24 | Allis Chalmers Mfg Co | Cycle counting control system for synchronous dynamoelectric machine |
US2914718A (en) * | 1957-01-14 | 1959-11-24 | Allis Chalmers Mfg Co | Control scheme for electric devices employing a magnetic amplifier |
-
1959
- 1959-05-07 US US811664A patent/US3048755A/en not_active Expired - Lifetime
-
1960
- 1960-04-27 GB GB14707/60A patent/GB907137A/en not_active Expired
- 1960-05-02 JP JP2289960A patent/JPS378341B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3048755A (en) | 1962-08-07 |
GB907137A (en) | 1962-10-03 |