GB502498A - Improvements in and relating to electric motor control systems - Google Patents
Improvements in and relating to electric motor control systemsInfo
- Publication number
- GB502498A GB502498A GB25509/37A GB2550937A GB502498A GB 502498 A GB502498 A GB 502498A GB 25509/37 A GB25509/37 A GB 25509/37A GB 2550937 A GB2550937 A GB 2550937A GB 502498 A GB502498 A GB 502498A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- contacts
- relay
- circuit
- contactors
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
502,498. Control of motors. BRITISH THOMSON - HOUSTON CO., Ltd., and BUTLER, F. E. Sept. 20, 1937, No. 25509. [Class 38 (iii)] Safety arrangements.-A motor 1 is connected to its supply by closure of a circuit-breaker 2, and starting resistance 3 is cut out by contactors 4, the holding coil 13 of the circuit-breaker being energized by closure of contacts of a relay 7. The relay 7 is closed by energization of a coil 8, and held closed by a coil 5 in series with the motor, the circuit-breaker in closing opening contacts 10 to de-energize the coil 8. The energization of the coil 13 is effected initially through contacts 12 closed when the contactors 4 are open, and maintained, after the contacts 12 have opened in response to closure of contactors 4, by maintaining contacts 14. Thus, if the supply fails the coil 5 releases the relay 7, the coil 13 is de-energized and the circuit-breaker opened. The contacts 10 reclose and when the supply is restored the relay 7 is reclosed and, provided contactors 4 are opened and the resistance 3 reinserted, so that contacts 12 are reclosed, the coil 13 is de-energized to reconnect the motor to the supply. The relay 7 may have a dashpot, and the circuit of the coil 13 may include contacts operated by an overload coil 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25509/37A GB502498A (en) | 1937-09-20 | 1937-09-20 | Improvements in and relating to electric motor control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25509/37A GB502498A (en) | 1937-09-20 | 1937-09-20 | Improvements in and relating to electric motor control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB502498A true GB502498A (en) | 1939-03-20 |
Family
ID=10228837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25509/37A Expired GB502498A (en) | 1937-09-20 | 1937-09-20 | Improvements in and relating to electric motor control systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB502498A (en) |
-
1937
- 1937-09-20 GB GB25509/37A patent/GB502498A/en not_active Expired
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