CN2775335Y - Anti-runaway device for hydroelectric generating set - Google Patents
Anti-runaway device for hydroelectric generating set Download PDFInfo
- Publication number
- CN2775335Y CN2775335Y CNU2005200076539U CN200520007653U CN2775335Y CN 2775335 Y CN2775335 Y CN 2775335Y CN U2005200076539 U CNU2005200076539 U CN U2005200076539U CN 200520007653 U CN200520007653 U CN 200520007653U CN 2775335 Y CN2775335 Y CN 2775335Y
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- CN
- China
- Prior art keywords
- model
- utility
- generator unit
- hydroelectric generating
- hydraulic generator
- 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 - Fee Related
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Control Of Water Turbines (AREA)
Abstract
The utility model relates to an anti-runaway device of a hydroelectric generating set for hydraulic power stations, which is characterized in that a speed regulating flywheel is connected with a hydraulic coupling. The utility model has the characteristics of simple structure, low operation cost, safety and reliability. The device saves huge investment and shortens the completion time of projects by using the utility model to replace pressure regulating tanks or pressure regulating valves under certain condition. The utility model is suitable for being used when the pressure conduits of horizontal hydroelectric generating sets and vertical hydroelectric generating sets are too long.
Description
Technical field
The utility model relates to the protective gear of a kind of water power plant hydraulic generator unit and diversion system, particularly a kind of device that prevents that the hydraulic generator unit from flying to escape.
Technical background
Because a variety of causes; the often unexpected removal of load of meeting of the hydraulic generator unit in water power plant; after removal of load; along with the action of speed regulator and closing of water turbine guide vane; the rotating speed rising of hydraulic generator unit and the surge pressure of diversion system are raise; thereby the great fluctuation process transient process occurs, this process all is harmful to for the hydraulic generator unit and the diversion system in water power plant.In order to improve this transient process, method and measure that people take have: the rotary inertia that 1, increases the hydraulic generator unit; 2, surge-chamber or surge shaft are set on the aqueduct of water power plant; 3, in powerhouse of hydropower station, install pressure regulator valve; 4, change the Closing Law of guide vanes of water turbine; 5, water resistance is set.In " Water-Turbine Engine Adaption " (Hohai University's Shen ancestral's vermachen is compiled), " Adaptive System of Water-Turbine Engine analysis " (Hohai University's Shen ancestral's vermachen is compiled) and " structure of hydropower station " (second edition) books such as (compile in collaboration with in the Ma Shanding of Wuhan University, Wang of Zhejiang University such as pool) that water conservancy and hydropower publishing house publishes, narration is arranged.These methods and measure usually are subjected to the restriction of condition of compatibility, exist investment too big, ineffective, perhaps poor effect, and it is unreliable to move, and perhaps moves problems such as inconvenience.
Summary of the invention
The purpose of this utility model just provides a kind of rotating speed by restriction hydraulic generator unit and raises; prolonged the shut-in time of hydrogovernor; thereby prevent that the hydraulic generator unit from flying to escape and limit the rising of the surge pressure of diversion system, realizes the device of protection water power plant hydraulic generator unit and diversion system safety.
The utility model can be realized in the following manner: the speed governing flywheel connects with fluid coupling, and fluid coupling can be connected to clutch, connects general flange or the coupling of adopting and connects.
The utlity model has characteristics simple in structure, that operating cost is low, safe and reliable, adopt the utility model to replace surge shaft or pressure regulator valve under certain conditions, saved, shortened the completion time of project to the huge investment of number.The utility model is applicable to when horizontal hydrogenerator group and vertical hydrogenerator group pressure piping are long and uses.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an embodiment of the present utility model.
Fig. 3 is another embodiment of the present utility model.
In the drawings, speed governing flywheel 1, fluid coupling 2, clutch 3, generator 4, water turbine 5.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described, is unique mode of execution of the present utility model but do not represent it.
Please read Fig. 1, speed governing flywheel 1 of the present utility model connects with fluid coupling 2.Fluid coupling 2 can be connected to clutch 3, connects general flange or the coupling of adopting and connects.
During the utility model work, please read Fig. 2, generator 4 is formed the hydraulic generator unit with water turbine 5, and speed governing flywheel 1 is connected on the main shaft of hydraulic generator unit in turn by fluid coupling 2 and clutch 3.When the hydraulic generator unit normally moved, clutch 3 was in the state of leaving, speed governing flywheel 1 static awaiting orders; When the removal of load of hydraulic generator unit; the hydrogovernor guide vane closing; clutch 3 actions also drive fluid coupling 2 flexible starting speed governing flywheels 1; the dump energy of hydraulic turbine generator group is used to start speed governing flywheel 1; realized the rising of restriction hydraulic generator unit rotating speed; prolonged the off time of hydraulic generator unit, thus prevented effectively the hydraulic generator unit fly escape and the pressure that limits pressure piping rises, protected the safety of water power plant hydraulic generator unit and diversion system.When the rotating speed of hydraulic turbine generator unit was lower than rated speed, clutch 3 was thrown off, and the utility model is out of service, is ready.
Please read Fig. 3, the utility model can be without clutch 3, and speed governing flywheel 1 directly is connected on the main shaft of hydraulic generator unit by fluid coupling 2.When the utility model is awaited orders, fluid coupling 2 is in vacuum state, moment can not pass to speed governing flywheel 1, when the removal of load of hydraulic generator unit, fluid coupling 2 charges into liquid medium immediately, and fluid coupling 2 work also start speed governing flywheel 1, make the utility model enter working state, after work was finished, fluid coupling 2 liquid mediums were discharged and are in vacuum state again, and the utility model is ready once more.
The hydraulic generator unit can be that the horizontal hydrogenerator group also can be the vertical hydrogenerator group.
Claims (2)
1, a kind of hydraulic generator unit anti-runaway device is characterized in that speed governing flywheel (1) connects with fluid coupling (2).
2,, it is characterized in that fluid coupling (2) is connected to clutch (3) according to the described hydraulic generator unit of claim 1 anti-runaway device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200076539U CN2775335Y (en) | 2005-03-09 | 2005-03-09 | Anti-runaway device for hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200076539U CN2775335Y (en) | 2005-03-09 | 2005-03-09 | Anti-runaway device for hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775335Y true CN2775335Y (en) | 2006-04-26 |
Family
ID=36749652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200076539U Expired - Fee Related CN2775335Y (en) | 2005-03-09 | 2005-03-09 | Anti-runaway device for hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775335Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718244B (en) * | 2008-10-09 | 2012-07-04 | 韩树君 | Radial-flow water wheel generator set |
| CN106050518A (en) * | 2016-07-29 | 2016-10-26 | 浙江临海浙富电机有限公司 | Pump turning direction hydraulically-started reversible water turbine and work method thereof |
-
2005
- 2005-03-09 CN CNU2005200076539U patent/CN2775335Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718244B (en) * | 2008-10-09 | 2012-07-04 | 韩树君 | Radial-flow water wheel generator set |
| CN106050518A (en) * | 2016-07-29 | 2016-10-26 | 浙江临海浙富电机有限公司 | Pump turning direction hydraulically-started reversible water turbine and work method thereof |
| CN106050518B (en) * | 2016-07-29 | 2018-06-19 | 浙江临海浙富电机有限公司 | It pumps rotation direction waterpower and starts the reversible hydraulic turbine and its method of work |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060426 Termination date: 20120309 |