GB523808A - Improvements in or relating to electric motor control systems - Google Patents
Improvements in or relating to electric motor control systemsInfo
- Publication number
- GB523808A GB523808A GB1351/39A GB135139A GB523808A GB 523808 A GB523808 A GB 523808A GB 1351/39 A GB1351/39 A GB 1351/39A GB 135139 A GB135139 A GB 135139A GB 523808 A GB523808 A GB 523808A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- contacts
- circuit
- braking
- field
- Prior art date
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
523,808. Control of D.C. motors. IGRANIC ELECTRIC CO., Ltd: Jan. 14, 1939, No. 1351. Convention date, Jan. 14, 1938. [Class 38 (iii)] Rheostatic braking for a series motor A with separate forward field FF and reverse field. RF is obtained upon interruption of forward power connections by connecting the reverse field winding in circuit with the braking resistance R and vice versa. Upon movement of the pilot switch 4 on to contact 5 the'switch 1 closes the forward circuit of the motor and at contacts 1e causes the energization of selector switch 3 which is maintained over contacts 3d. When switch 4 is opened switch 1 drops out and by closure of contacts 1c and ld completes the braking circuit through the reverse field RF and over contacts 3b. When pilot switch 4 is moved on to contact 6, the switch 2 closes the reverse circuit for the motor, and at contacts 2d opens the maintaining circuit for selector switch 3 which drops out. When pilot switch 4 is again opened switch 2 drops out and by closure of contacts 2c, 2d completes the braking circuit through the forward field FF over contacts 3c.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US523808XA | 1938-01-14 | 1938-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB523808A true GB523808A (en) | 1940-07-23 |
Family
ID=21977245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1351/39A Expired GB523808A (en) | 1938-01-14 | 1939-01-14 | Improvements in or relating to electric motor control systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB523808A (en) |
-
1939
- 1939-01-14 GB GB1351/39A patent/GB523808A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2872879A (en) | Model railway system | |
| GB523808A (en) | Improvements in or relating to electric motor control systems | |
| GB523533A (en) | Improvements in or relating to electric switches such as used for controlling electric motors | |
| GB417867A (en) | Improvements relating to the control of compound-wound direct current electric motors | |
| GB192940A (en) | Improvements in or relating to the control of electric motors | |
| GB549265A (en) | Improvements in and relating to battery-driven motor vehicles | |
| GB424277A (en) | Improvements in and relating to systems of electric motor control | |
| GB469839A (en) | Improvements in or relating to electric motor control systems | |
| GB437772A (en) | Improvements in and relating to electric motor control systems | |
| GB204633A (en) | Improvements in and relating to systems of electric motor control | |
| GB413642A (en) | Improvements relating to the control of direct current electric motors | |
| GB482384A (en) | Improvements in control systems for direct current electric motors | |
| GB487390A (en) | Improvements in and relating to remote control devices | |
| GB153370A (en) | Improvements in or relating to electric motors | |
| GB462547A (en) | Improvements in current supply arrangements for operating electromagnetic relays | |
| GB442168A (en) | Improvements in and relating to systems of electric motor control | |
| GB517898A (en) | Improvements relating to electric traction control equipment | |
| GB472925A (en) | Improvements in and relating to control systems for reversing electric motors | |
| GB1116705A (en) | Improvements in or relating to the control of electric motors | |
| GB240312A (en) | Improvements in electric motor control | |
| GB528554A (en) | Improvements in or relating to electric motor control systems | |
| GB282312A (en) | Improvements in or relating to electric motor controllers | |
| GB162596A (en) | Improvements in motor controllers | |
| GB386762A (en) | Improvements relating to the control of electric motors | |
| GB471758A (en) | Improvements in and relating to electric control systems for direct-current drives |