GB482358A - Improvements in and relating to electric motor control - Google Patents
Improvements in and relating to electric motor controlInfo
- Publication number
- GB482358A GB482358A GB17448/36A GB1744836A GB482358A GB 482358 A GB482358 A GB 482358A GB 17448/36 A GB17448/36 A GB 17448/36A GB 1744836 A GB1744836 A GB 1744836A GB 482358 A GB482358 A GB 482358A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resistance
- resistances
- parallel
- series
- june
- 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
- 230000007423 decrease Effects 0.000 abstract 1
- 239000011800 void material Substances 0.000 abstract 1
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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
- H02P1/027—Special design of starting resistor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Multiple Motors (AREA)
Abstract
482,358. Controllers. BRITISH THOMSON-HOUSTON CO., Ltd. June 23, 1936, No. 17448. Void. Convention date, June 24, 1935. [Class 38 (iii)] Combination of resistances.-In a finely graded control for direct-current traction motors, a resistance D is consecutively connected in parallel with resistances C<1>, C<2> &c. connected in series with the motor armature, - and a drum controller is provided which on rotation first decreases the resistance D stepwise and then cuts out the resistance C<1> and connects the resistance D in parallel with the resistance C<2> before again reducing the resistance D in steps. In the final position of the controller the whole of the series resistance is shortcircuited. The motors are then switched over from series to parallel, the last of the resistances C<1>, C<2> &c. preferably corresponding to the value of the first parallel position. The same resistances may be used for the short-circuit brake. Preferably, two drums are provided, of which one switches in or out the resistances C<1>, C<2> &c. while the other varies the value of the resistance D.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE482358X | 1935-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB482358A true GB482358A (en) | 1938-03-28 |
Family
ID=6542822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17448/36A Expired GB482358A (en) | 1935-06-24 | 1936-06-23 | Improvements in and relating to electric motor control |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB482358A (en) |
-
1936
- 1936-06-23 GB GB17448/36A patent/GB482358A/en not_active Expired
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