GB719267A - Improvements relating to synchronous dynamo-electric machines - Google Patents
Improvements relating to synchronous dynamo-electric machinesInfo
- Publication number
- GB719267A GB719267A GB1629252A GB1629252A GB719267A GB 719267 A GB719267 A GB 719267A GB 1629252 A GB1629252 A GB 1629252A GB 1629252 A GB1629252 A GB 1629252A GB 719267 A GB719267 A GB 719267A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rectifier
- current
- fed
- winding
- main
- 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
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
719,267. Alternators. SELECTRA, Ltd. June 27, 1952 [March 30, 1951], No. 16292/52. Divided out of and Addition to 719,212. Class 35 An alternator is compound excited in dependence on the voltage and current output, and has a separate rectifier circuit for deriving a current for initiating excitation from the residual magnetism. As shown in its simplest single-phase form, the main rectifier F is fed from the secondary winding E2 of a current transformer E in the output line C and an additional voltage generating winding G coaxial with the main generating winding A. The field winding D, which is also connected to the generating windings, is fed from the rectifier F through a controlling rheostat and a solenoid H1 of a relay H controlling the auxiliary excitation circuit. Excitation is initiated at starting by the connection of a second rectifier J through a current limiting resistor K across the main and additional windings A, G by the relay H. As the field current builds up, the relay opens its contacts to put the initiating rectifier out of circuit. A three-phase modification is also described in which the main rectifier is fed from current and voltage transformers from the output lines while the initating rectifier is fed across two lines only, the additional winding being dispensed with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1629252A GB719267A (en) | 1951-03-30 | 1951-03-30 | Improvements relating to synchronous dynamo-electric machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1629252A GB719267A (en) | 1951-03-30 | 1951-03-30 | Improvements relating to synchronous dynamo-electric machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB719267A true GB719267A (en) | 1954-12-01 |
Family
ID=10074690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1629252A Expired GB719267A (en) | 1951-03-30 | 1951-03-30 | Improvements relating to synchronous dynamo-electric machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB719267A (en) |
-
1951
- 1951-03-30 GB GB1629252A patent/GB719267A/en not_active Expired
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