CN213843903U - Automatic control system for front pool water level of radial flow type hydropower station - Google Patents
Automatic control system for front pool water level of radial flow type hydropower station Download PDFInfo
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- CN213843903U CN213843903U CN202120235675.XU CN202120235675U CN213843903U CN 213843903 U CN213843903 U CN 213843903U CN 202120235675 U CN202120235675 U CN 202120235675U CN 213843903 U CN213843903 U CN 213843903U
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- speed regulator
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- forebay
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Abstract
The utility model provides a runoff formula power station forebay water level automatic control system through set up water level measurement device on the pressure forebay, sets up hydraulic turbine stator aperture measuring device, and real-time supervision pressure forebay water level and hydraulic turbine stator aperture set up controlling means, can send control signal for the speed regulator according to pressure forebay water level and hydraulic turbine stator aperture, realize the adjustment to hydraulic turbine stator aperture to realize forebay water level automatic control.
Description
Technical Field
The utility model relates to a hydraulic engineering, concretely relates to radial-flow type power station forebay water level automatic control system.
Background
The runoff type hydropower station can not adjust the incoming flow, a pressure forebay is usually built, the pressure forebay is utilized to realize the communication between the incoming water and the water turbine generator set, the volume of the pressure forebay is limited, the incoming flow can not be effectively adjusted, and once the generating flow of the set is not matched with the incoming water, the water level of the pressure forebay can be fluctuated to influence the normal operation of the set.
The existing pressure forebay water level control is controlled by manual experience mostly, the unit load adjustment is manually carried out by observing the water level change of the forebay, the accurate control of the water level is often difficult to realize, the forebay water level still fluctuates frequently in the control process, and therefore the operation of a power station is unfavorable.
Disclosure of Invention
Based on this, the utility model provides a runoff formula power station forebay water level automatic control system utilizes automatic control system to guarantee the invariable high water level operation of forebay.
The utility model provides a runoff formula power station forebay water level automatic control system, runoff formula power station includes pressure forebay, leading water pipeline, factory building, hydroelectric set and speed regulator, hydroelectric set is located inside the factory building to be connected with the pressure forebay through the leading water pipeline, hydroelectric set includes hydraulic turbine and generator, and wherein the speed regulator is connected to the hydraulic turbine, the speed regulator is used for adjusting hydroelectric set's stator aperture, its characterized in that: the water turbine comprises a pressure forebay, a water turbine and a speed regulator, and is characterized in that a water level measuring device is arranged on the pressure forebay, an opening degree measuring device is arranged on the water turbine and used for measuring the opening degree of a guide vane of the water turbine, a control device is arranged on the water turbine, the water level measuring device, the opening degree measuring device and the speed regulator are all connected with the control device, the control device can send out corresponding control signals according to the water level measured by the water level measuring device and the opening degree measured by the opening degree measuring device, the speed regulator receives the control signals and acts or does not act according to the control signals, and the adjustment of the opening degree of the water turbine is realized.
Preferably, the control device is a single chip microcomputer or a PLC.
Preferably, the speed governor is a hydraulic speed governor.
Preferably, the opening degree measurement position is a displacement sensor.
The principle of the utility model lies in:
a water level measuring device is additionally arranged on the pressure forebay, so that the water level of the forebay can be measured in real time, and the state of the water level of the forebay and the like can be obtained; the opening degree measuring device is arranged, the opening degree of a guide vane of the water turbine is measured in real time, the state of the water turbine is known, the control device is used for connecting the forebay water level measuring device and the water turbine guide vane opening degree measuring device, the corresponding speed regulator is controlled to act when the water level is high, the opening degree of the guide vane is increased, the corresponding speed regulator is controlled to act when the water level is low, the opening degree of the guide vane is reduced, and the speed regulator is controlled not to act when the water level is high and the water level is constant, so that the constant high water level operation of the pressure forebay is realized in a self-adaptive mode.
The utility model has the advantages that:
the utility model provides a runoff formula power station forebay water level automatic control system through set up water level measurement device on the pressure forebay, sets up hydraulic turbine stator aperture measuring device, and real-time supervision pressure forebay water level and hydraulic turbine stator aperture set up controlling means, can send control signal for the speed regulator according to pressure forebay water level and hydraulic turbine stator aperture, realize the adjustment to hydraulic turbine stator aperture to realize forebay water level automatic control.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the components of the present invention.
Detailed Description
The structure defined by the present invention will be explained in detail with reference to the embodiments.
The utility model provides a runoff formula power station forebay water level automatic control system, runoff formula power station includes pressure forebay 1, leading water pipeline 2, factory building 3, hydroelectric set 4 and speed regulator 5, hydroelectric set 4 is located 3 insides of factory building to be connected with pressure forebay 1 through leading water pipeline 2, hydroelectric set 4 includes hydraulic turbine and generator, and wherein speed regulator 5 is connected to the hydraulic turbine, speed regulator 5 is arranged in adjusting the stator aperture of hydraulic turbine among hydroelectric set 4, its characterized in that: the pressure forebay 1 is provided with a water level measuring device 11, the water turbine is provided with an opening degree measuring device 6 for measuring the opening degree of a guide vane of the water turbine, a control device 7 is arranged, the water level measuring device 11, the opening degree measuring device 6 and the speed regulator 5 are all connected with the control device 7, the control device 7 can send out corresponding control signals according to the water level measured by the water level measuring device 11 and the opening degree measured by the opening degree measuring device 6, and the speed regulator 5 receives the control signals and acts or does not act according to the control signals to realize the adjustment of the opening degree of the water turbine.
Preferably, the control device 7 is a single chip microcomputer or a PLC.
Preferably, the governor 5 is a hydraulic governor 5.
Preferably, the opening degree measurement position is a displacement sensor.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention should not be considered limited to the specific forms set forth in the examples, but also includes equivalent technical means which can be conceived by those skilled in the art according to the inventive concept.
Claims (4)
1. The utility model provides a footpath STREAMING power station forebay water level automatic control system, footpath STREAMING power station includes pressure forebay, leading water pipeline, factory building, hydroelectric set and speed regulator, hydroelectric set is located inside the factory building to be connected with the pressure forebay through leading water pipeline, hydroelectric set includes hydraulic turbine and generator, and wherein the speed regulator is connected to the hydraulic turbine, the speed regulator is used for adjusting hydroelectric set hydraulic turbine's stator aperture, its characterized in that: the water turbine comprises a pressure forebay, a water turbine and a speed regulator, and is characterized in that a water level measuring device is arranged on the pressure forebay, an opening degree measuring device is arranged on the water turbine and used for measuring the opening degree of a guide vane of the water turbine, a control device is arranged on the water turbine, the water level measuring device, the opening degree measuring device and the speed regulator are all connected with the control device, the control device can send out corresponding control signals according to the water level measured by the water level measuring device and the opening degree measured by the opening degree measuring device, the speed regulator receives the control signals and acts or does not act according to the control signals, and the adjustment of the opening degree of the water turbine is realized.
2. The automatic control system for the front pool water level of a radial hydropower station of claim 1, characterized in that: the control device is a single chip microcomputer or a PLC.
3. The automatic control system for the front pool water level of a radial hydropower station of claim 1, characterized in that: the speed regulator is a hydraulic speed regulator.
4. The automatic control system for the front pool water level of a radial hydropower station of claim 1, characterized in that: the opening degree measuring position is a displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120235675.XU CN213843903U (en) | 2021-01-28 | 2021-01-28 | Automatic control system for front pool water level of radial flow type hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120235675.XU CN213843903U (en) | 2021-01-28 | 2021-01-28 | Automatic control system for front pool water level of radial flow type hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213843903U true CN213843903U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120235675.XU Active CN213843903U (en) | 2021-01-28 | 2021-01-28 | Automatic control system for front pool water level of radial flow type hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213843903U (en) |
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2021
- 2021-01-28 CN CN202120235675.XU patent/CN213843903U/en active Active
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