CA1038474A - Turbine overspeed control system - Google Patents
Turbine overspeed control systemInfo
- Publication number
- CA1038474A CA1038474A CA236,430A CA236430A CA1038474A CA 1038474 A CA1038474 A CA 1038474A CA 236430 A CA236430 A CA 236430A CA 1038474 A CA1038474 A CA 1038474A
- Authority
- CA
- Canada
- Prior art keywords
- amplifier
- speed
- valve
- turbine
- signal
- 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
- 230000033001 locomotion Effects 0.000 claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000007423 decrease Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
- F01K7/24—Control or safety means specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/02—Shutting-down responsive to overspeed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US512808A US3913329A (en) | 1974-10-04 | 1974-10-04 | Turbine overspeed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1038474A true CA1038474A (en) | 1978-09-12 |
Family
ID=24040665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA236,430A Expired CA1038474A (en) | 1974-10-04 | 1975-09-25 | Turbine overspeed control system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3913329A (en)) |
| JP (1) | JPS5162203A (en)) |
| CA (1) | CA1038474A (en)) |
| CH (1) | CH599454A5 (en)) |
| GB (1) | GB1519833A (en)) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH621179A5 (en)) * | 1977-06-29 | 1981-01-15 | Bbc Brown Boveri & Cie | |
| DE2939534B2 (de) * | 1979-09-28 | 1981-06-25 | Kraftwerk Union AG, 4330 Mülheim | Regeleinrichtung für Dampfturbinen mit Zwischenüberhitzung |
| AR029828A1 (es) * | 2001-07-13 | 2003-07-16 | Petrobras En S A | Metodo para la regulacion primaria de frecuencia en turbinas de vapor de ciclo combinado |
| US7343744B2 (en) * | 2005-07-27 | 2008-03-18 | General Electric Company | Method and system for controlling a reheat turbine-generator |
| EP2466077A1 (en) * | 2010-12-17 | 2012-06-20 | Alstom Technology Ltd | Steam turbine overspeed protection |
| US9765636B2 (en) | 2014-03-05 | 2017-09-19 | Baker Hughes Incorporated | Flow rate responsive turbine blades and related methods |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH524091A (de) * | 1970-05-26 | 1972-06-15 | Sulzer Ag | Vorrichtung zum Absperren eines Arbeitsmittels |
-
1974
- 1974-10-04 US US512808A patent/US3913329A/en not_active Expired - Lifetime
-
1975
- 1975-09-25 CA CA236,430A patent/CA1038474A/en not_active Expired
- 1975-09-25 GB GB39331/75A patent/GB1519833A/en not_active Expired
- 1975-09-26 CH CH1254175A patent/CH599454A5/xx not_active IP Right Cessation
- 1975-10-03 JP JP50119031A patent/JPS5162203A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5162203A (en) | 1976-05-29 |
| DE2542936A1 (de) | 1976-04-22 |
| US3913329A (en) | 1975-10-21 |
| CH599454A5 (en)) | 1978-05-31 |
| JPS5624763B2 (en)) | 1981-06-08 |
| AU8276875A (en) | 1977-01-06 |
| GB1519833A (en) | 1978-08-02 |
| DE2542936B2 (de) | 1977-04-21 |
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