GB633771A - Improvements in and relating to cooling arrangements for steam turbine driven generators - Google Patents
Improvements in and relating to cooling arrangements for steam turbine driven generatorsInfo
- Publication number
- GB633771A GB633771A GB3055246A GB3055246A GB633771A GB 633771 A GB633771 A GB 633771A GB 3055246 A GB3055246 A GB 3055246A GB 3055246 A GB3055246 A GB 3055246A GB 633771 A GB633771 A GB 633771A
- Authority
- GB
- United Kingdom
- Prior art keywords
- generator
- steam turbine
- condensate
- shaft
- compressor
- 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
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
633,771. Refrigerating; Feedwater heating systems. BRITISH THOMSON-HOUSTON CO., Ltd., and HOPKIRK, K. R. Oct. 14, 1946, No. 30552. [Classes 29 and 64(i)] In a substantially closed cooling system for an electrical generator 1 driven by a steam turbine through a shaft 7, cooling gas is withdrawn from the generator 1 through a pipe 2, is compressed by a compressor 3, is cooled at substantially constant pressure in coolers 4a, 4b, fed with condensate from the steam turbine and in cooler 4c fed with circulating water, drives the impeller of a gas turbine 5 which is coupled to the compressor 3 by a shaft 6 and passes back to the generator 1 to cool the windings. The cooler 4b is supplied with fresh condensate and the cooler 4a with condensate which has undergone one stage of pre-heating (i.e. feed-heating), the condensate then undergoing two further stages of feedheating. The shaft 6 may be driven either by the steam turbine shaft or by an electric motor 8. If the cooling fluid is air, a vent fitted with a filter is inserted in the connection between the compressor 3 and the precooler 4a, or air may be withdrawn from the generator 1 by an auxiliary compressor so maintaining the pressure in the generator 1 less than atmospheric. If hydrogen is used as the cooling fluid the pressure is maintained greater than atmospheric and the system is not vented. De-icing equipment may be fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3055246A GB633771A (en) | 1946-10-14 | 1946-10-14 | Improvements in and relating to cooling arrangements for steam turbine driven generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3055246A GB633771A (en) | 1946-10-14 | 1946-10-14 | Improvements in and relating to cooling arrangements for steam turbine driven generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB633771A true GB633771A (en) | 1949-12-30 |
Family
ID=10309422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3055246A Expired GB633771A (en) | 1946-10-14 | 1946-10-14 | Improvements in and relating to cooling arrangements for steam turbine driven generators |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB633771A (en) |
-
1946
- 1946-10-14 GB GB3055246A patent/GB633771A/en not_active Expired
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