Hydropower station autonomous optimization power generation control method

Abstract

The invention discloses an autonomous optimization power generation control method for a hydropower station, and relates to the technical field of hydropower station power generation control, in particular to the autonomous optimization power generation control method for the hydropower station, which comprises the following steps of: data acquisition and monitoring: acquiring operation data of the hydropower station in real time, and monitoring and analyzing the data; establishing a mathematical model: establishing the mathematical model based on the collected data to accurately describe the operation characteristics of the hydropower station; optimization target setting: setting a target function for optimizing power generation control according to requirements; intelligent optimization algorithm solution: adopting an intelligent optimization algorithm to solve a set objective function to obtain an optimal power generation control strategy; and real-time control and adjustment: applying the optimized power generation control strategy to the operation control of the hydropower station in real time, and collecting new data according to the actual operation condition. Operation characteristics and various constraint conditions of the hydropower station can be fully considered, optimization of power generation control is achieved, and the power generation efficiency and economic benefits are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power generation control of hydropower stations, and in particular to an autonomous optimization power generation control method of a hydropower station. Background Art

[0002] With the continuous growth of electricity demand and the adjustment of energy structure, hydropower stations are becoming increasingly important in the power system. However, traditional hydropower station power generation control methods often rely on manual experience and fixed operation modes, which makes it difficult to fully tap the power generation potential of hydropower stations and cannot adapt to changes in the power market and complex operating conditions. Therefore, a more intelligent, efficient and flexible hydropower station autonomous optimization power generation control method is needed. Summary of the invention

[0003] The purpose of the present invention is to provide a method for autonomously optimizing power generation control of a hydropower station, so as to achieve optimal control of power generation of the hydropower station and improve power generation efficiency and economic benefits.

[0004] To achieve the above object, the present invention adopts the following technical solution: a method for autonomously optimizing power generation control of a hydropower station, characterized in that it comprises the following steps: Step 1: Data collection and monitoring: real-time collection of hydropower station operation data, including water head, flow, unit output, reservoir water level, etc., and monitoring and analysis of these data; Step 2: Establish a mathematical model: Based on the collected data, establish a mathematical model between the power generation of the hydropower station and factors such as water head, flow, and unit efficiency to accurately describe the operating characteristics of the hydropower station; Step 3: Optimization target setting: According to the power market demand, the operating constraints of the hydropower station and the economic benefit target, the objective function of optimizing power generation control is set, such as maximizing power generation benefits, minimizing power generation costs, etc. Step 4: Intelligent optimization algorithm solution: Use the intelligent optimization algorithm to solve the set objective function and obtain the optimal power generation control strategy, including unit combination, startup sequence, load distribution, etc. Step 5: Real-time control and adjustment: Apply the optimized power generation control strategy to the operation control of the hydropower station in real time, and dynamically adjust and optimize the control strategy according to the actual operation situation and new data collection; Step 6 Effect evaluation and feedback: Regularly evaluate the power generation control effect of the hydropower station, analyze the changes in indicators such as power generation efficiency and economic benefits, and feed back the evaluation results to the optimization algorithm to further improve and perfect the power generation control method.

[0005] Preferably, according to the algorithm formula of the objective function of optimizing power generation control set in step 3 and step 4, the objective function can be set as: minPi(t)ΣiΣtCi(Pi(t))+λΣiΣtEi(Pi(t)) StΣiPi(t)≥D(t)∀t Pi ≤Pi(t)≤Pi∀i,t Hi ≤Hi(t)≤Hi ∀i,t in The first term ΣiΣtCi(Pi(t)) represents the minimization of the total generation cost; The second term λΣiΣtEi(Pi(t)) indicates the consideration of environmental impact, where λ is the environmental weight factor; Constraints: ΣiPi(t)≥D(t)∀t Ensure that total power generation capacity meets electricity market demand; Pi ≤Pi(t)≤Pi ∀i, t limits the power generation of each hydropower station to its lower limit Pi and the upper limit Pi; Hi ≤Hi(t)≤Hi ∀i,t Represents operational constraints such as water level on a hydropower station.

[0006] Preferably, the real-time data collection equipment in the hydropower station in step 1 includes a water receiving pipe, a solenoid valve is provided below the water receiving pipe, a positioning ring is provided in the middle of the outer wall of the water receiving pipe, the positioning ring is detachably connected to a rotating component, and the rotating component is installed on the water collecting power station; A support plate is provided on the water collection power station, a movable component is provided on the support plate, the movable component is detachably connected to a rotating tool, the rotating tool is detachably connected to a collection pipe, and a water guide ring is provided on the collection pipe, the water guide ring is detachably connected to a hose, and the hose is detachably connected to the collection equipment.

[0007] Preferably, the rotating assembly includes a first rotating rod and a mounting plate, one end of the first rotating rod is detachably connected to the positioning ring, a first driving motor is provided on the mounting plate, a driving shaft of the first driving motor is connected to the first rotating rod, and a bearing of the first rotating rod is connected to the mounting plate.

[0008] Preferably, two first sliding grooves are symmetrically provided on the positioning ring, two through holes are symmetrically provided on the mounting plate, and an electric telescopic rod is provided on the mounting plate, the top end of the electric telescopic rod is detachably connected to an I-shaped bar, and the I-shaped bar slides through the two through holes and the two first sliding grooves.

[0009] Preferably, the moving component includes a second drive motor, a second slide groove is provided on the support plate, the second drive motor is arranged at one end of the second slide groove, the second drive motor drive shaft is connected to the second screw rod, and the second screw rod bearing is connected to the second slide groove, and the second screw rod is rotatably connected to three connecting plates, and the third connecting plate is detachably connected to the rotating tooling below.

[0010] Preferably, the rotating tooling includes a third drive motor, the third drive motor is detachably connected to the third connecting plate, and the third drive motor drive shaft is connected to the rotating disk, a spherical groove is provided under the rotating disk, an adjusting ball is provided in the spherical groove, the adjusting ball is detachably connected to the adjusting plate, and a plurality of adjusting holes are provided on the adjusting plate, a plurality of electric telescopic rods are correspondingly provided under the rotating disk, a plurality of the electric telescopic rods are extruded and connected to a plurality of the adjusting holes, and the collection tube is detachably connected under the adjusting plate.

[0011] Preferably, an annular groove is provided on the rotating disk, a positioning rod is provided on the third connecting plate, the lower end of the positioning rod is movably connected to a limiting ball, the limiting ball is slidably connected in the annular groove, and the lower opening width of the annular groove is greater than the upper opening width thereof.

[0012] Preferably, two rubber rings are symmetrically provided at the inner opening of the water guide ring, and the two rubber rings are slidably connected to the outer wall of the collection tube. The collection equipment includes a catheter, and the catheter is detachably connected to the hose. An inclined tube is provided on one side of the catheter, and the inclined tube is detachably connected to an air pump, and the lower end of the catheter is detachably connected to a detection device.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can fully consider the operating characteristics and various constraints of the hydropower station, optimize power generation control, and improve power generation efficiency and economic benefits.

[0014] 2. The intelligent optimization algorithm is used for solving, which has high calculation efficiency and solution accuracy, and can quickly obtain the optimal power generation control strategy.

[0015] 3. The real-time control and adjustment mechanism can adapt to the changes in the electricity market and the actual operation of the hydropower station, ensuring the accuracy and reliability of power generation control.

[0016] 4. The effect evaluation and feedback link can continuously improve and perfect the power generation control method to make it have better adaptability and performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the process of the present invention.

[0018] Figure 2It is a connection diagram of the acquisition device of the present invention.

[0019] Figure 3 It is a schematic diagram of the structure of the rotating assembly of the present invention.

[0020] Figure 4 It is a schematic diagram of the structure of the mobile component of the present invention.

[0021] Figure 5 It is a schematic diagram of the connection of the collection tube of the present invention. 1. Water receiving pipe; 2. Solenoid valve; 3. Positioning ring; 4. First slide groove; 5. Rotating assembly; 6. First rotating rod; 7. Mounting plate; 8. Through hole; 9. First driving motor; 10. Electric telescopic rod; 11. I-shaped bar; 12. Support plate; 13. Second slide groove; 14. Moving assembly; 15. Second driving motor; 16. Second screw rod; 17. Third connecting plate; 18. Positioning rod; 19. Limiting ball; 20. Rotating tooling; 21. Third driving motor; 22. Rotating disk; 23. Annular groove; 24. Spherical groove; 25. Adjusting ball; 24. Adjusting plate; 25. Adjusting hole; 26. Electric telescopic rod; 27. Collection tube; 28. Water guide ring; 29. ​​Hose; 30. Collection equipment; 31. Conduit; 32. Oblique tube; 33. Air pump; 34. Detection equipment. DETAILED DESCRIPTION

[0022] For example, please refer to the schematic diagram Figure 1-5 , a method for autonomous optimization of power generation control of a hydropower station, comprising the following steps: Step 1: Data collection and monitoring: real-time collection of hydropower station operation data, including water head, flow, unit output, reservoir water level, etc., and monitoring and analysis of these data; Step 2: Establish a mathematical model: Based on the collected data, establish a mathematical model between the power generation of the hydropower station and factors such as water head, flow, and unit efficiency to accurately describe the operating characteristics of the hydropower station; Step 3: Optimization target setting: According to the power market demand, the operating constraints of the hydropower station and the economic benefit target, the objective function of optimizing power generation control is set, such as maximizing power generation benefits, minimizing power generation costs, etc. Step 4: Intelligent optimization algorithm solution: Use the intelligent optimization algorithm to solve the set objective function and obtain the optimal power generation control strategy, including unit combination, startup sequence, load distribution, etc. Step 5: Real-time control and adjustment: Apply the optimized power generation control strategy to the operation control of the hydropower station in real time, and dynamically adjust and optimize the control strategy according to the actual operation situation and new data collection; Step 6 Effect evaluation and feedback: Regularly evaluate the power generation control effect of the hydropower station, analyze the changes in indicators such as power generation efficiency and economic benefits, and feed back the evaluation results to the optimization algorithm to further improve and perfect the power generation control method.

[0023] According to the algorithm formula of the objective function of optimizing power generation control set in step 3 and step 4, the objective function can be set as: minPi(t)ΣiΣtCi(Pi(t))+λΣiΣtEi(Pi(t)) StΣiPi(t)≥D(t)∀t Pi ≤Pi(t)≤Pi∀i,t Hi ≤Hi(t)≤Hi ∀i,t in The first term ΣiΣtCi(Pi(t)) represents the minimization of the total generation cost; The second term λΣiΣtEi(Pi(t)) indicates the consideration of environmental impact, where λ is the environmental weight factor; Constraints: ΣiPi(t)≥D(t)∀t Ensure that total power generation capacity meets electricity market demand; Pi ≤Pi(t)≤Pi ∀i, t limits the power generation of each hydropower station to its lower limit Pi and the upper limit Pi; Hi ≤Hi(t)≤Hi ∀i,t Represents operational constraints such as water level on a hydropower station.

[0024] The real-time data collection equipment in the hydropower station in step 1 includes a water receiving pipe 1, a solenoid valve 11 is provided below the water receiving pipe 1, a positioning ring 12 is provided in the middle of the outer wall of the water receiving pipe 1, and the positioning ring 12 is detachably connected to a rotating component 2, and the rotating component 2 is installed on the hydropower station; A support plate 3 is provided on the collection hydropower station, a movable component 4 is provided on the support plate 3, the movable component 4 is detachably connected to a rotating tool 5, the rotating tool 5 is detachably connected to a collection pipe 6, and a water guide ring 61 is provided on the collection pipe 6, the water guide ring 61 is detachably connected to a hose 62, and the hose 62 is detachably connected to a collection device 7.

[0025] The rotating assembly 2 includes a first rotating rod 21 and a mounting plate 22. One end of the first rotating rod 21 is detachably connected to the positioning ring 12. A first driving motor 23 is provided on the mounting plate 22. The driving shaft of the first driving motor 23 is connected to the first rotating rod 21, and the first rotating rod 21 is bearing-connected to the mounting plate 22.

[0026] The positioning ring 12 is symmetrically provided with two first slide grooves 121, the mounting plate 22 is symmetrically provided with two through holes 221, and the mounting plate 22 is provided with an electric telescopic rod 24, the top of the electric telescopic rod 24 is detachably connected to an I-shaped bar 25, the I-shaped bar 25 slides the two through holes 221 and the two first slide grooves 121, and the first driving motor drives the first rotating rod to rotate, so as to realize the corresponding rotation and tilting of the water receiving pipe, and then when collection is needed, the water receiving pipe is tilted to realize water collection, and after water collection is completed, the first driving motor rotates, and then the electric telescopic rod is retracted, and then the I-shaped bar is slidably connected to the first slide groove, thereby realizing the stability of the water receiving pipe.

[0027] The moving component 4 includes a second driving motor 41, a second slide groove 31 is provided on the support plate 3, the second driving motor 41 is arranged at one end in the second slide groove 31, the driving shaft of the second driving motor 41 is connected to the second screw rod 42, and the bearing of the second screw rod 42 is connected in the second slide groove 31, and the second screw rod 42 is rotatably connected to the third connecting plate 43, and the third connecting plate 43 is detachably connected to the rotating tooling 5 below, and the second driving motor drives the second screw rod to rotate, and the second screw rod is rotatably connected to the third connecting plate. Under the action of the second screw rod, the third connecting plate moves longitudinally.

[0028] The rotating tooling 5 includes a third driving motor 51, which is detachably connected to the third connecting plate 43, and the driving shaft of the third driving motor 51 is connected to a rotating disk 52. A spherical groove 53 is provided below the rotating disk 52, and an adjusting ball 54 is provided in the spherical groove 53. The adjusting ball 54 is detachably connected to an adjusting plate 55, and a plurality of adjusting holes 56 are provided on the adjusting plate 55. A plurality of electric telescopic rods 57 are correspondingly provided below the rotating disk 52, and the plurality of electric telescopic rods 57 are squeezed and connected in the plurality of adjusting holes 56, and the collecting tube 6 is detachably connected below the adjusting plate 55.

[0029] The rotating disk 52 is provided with an annular groove 521, and the third connecting plate 43 is provided with a positioning rod 431. The lower end of the positioning rod 431 is movably connected to a limiting ball 432. The limiting ball 432 is slidably connected in the annular groove 53, and the lower opening width of the annular groove 53 is greater than the upper opening width.

[0030] Two rubber rings 63 are symmetrically provided at the inner opening of the water guide ring 61, and the two rubber rings 63 are slidably connected to the outer wall of the collection tube 6. The collection device 7 includes a catheter 71, and the catheter 71 is detachably connected to the hose 62. An inclined tube 72 is provided on one side of the catheter 71, and the inclined tube 72 is detachably connected to the air pump 73, and the lower end of the catheter 71 is detachably connected to the detection device 74.

[0031] Operation principle: The present invention is provided with data collection and monitoring, the water discharged from the power station is collected accordingly, and then the data of the collected water monitoring is output; Then, based on the collected data, a mathematical model is established between the power generation of the hydropower station and factors such as head, flow, and unit efficiency to accurately describe the operating characteristics of the hydropower station, and then the model is established through the set algorithm; Then, the corresponding model is adjusted through real-time data, so that the model can continue to evolve and become more suitable.

[0032] When the wastewater from the power station is collected, the first driving motor drives the first rotating shaft to rotate accordingly, and at the same time the solenoid valve is closed, and the corresponding test water is stored in the water receiving pipe; Then the first driving motor rotates, and when it returns to the specified position, the electric telescopic rod retracts, and the I-shaped bar slides and connects to the first sliding groove, thereby achieving the limit of the water pipe; The rotation of the second drive motor drives the rotation of the first screw rod, so that the corresponding third connecting plate moves longitudinally. When it moves to the specified position, the rotation of the third drive motor drives the rotating disk to rotate accordingly. At the same time, the different lengths of the extension of the plurality of second electric telescopic rods are realized to realize the corresponding inclination of the collection tube. At the same time, the plurality of second electric telescopic rods are slidably connected to the adjustment holes, so that the adjustment plate can be limited accordingly, and the corresponding rotation can be realized when the second drive motor rotates, so that the collection tube can be rotated accordingly when it is not collected, so that the water in the entire collection tube is mixed, and the collected data is more accurate; Finally, since a water guide ring is provided on the outside of the collection tube, an inner opening of the water guide ring, and an opening is provided on the collection tube, and two rubber rings are provided on the inner opening of the water guide tube, the rubber rings are used to achieve the stability of the water guide ring and perform corresponding sealing. When the stirring is completed, the air pump inhales air, so that the water in the water receiving pipe is drawn into the hose, and then flows downward through the conduit. Since the conduit is connected to the inclined tube, the water will go directly downward to the detection equipment under the action of gravity, and will not go upward to the air pump, thereby ensuring that the air pump is free of water. In addition, a solenoid valve is provided at the connection of the conduit connected to the detection equipment. The solenoid valve is closed when pumping water. When the water reaches a certain level, the air pump is closed, and then the solenoid valve is opened, and the water enters the detection equipment.

Claims

1. A method for autonomous optimization of power generation control of a hydropower station, characterized in that: The following steps are involved: Step 1: Data collection and monitoring: real-time collection of hydropower station operation data, including water head, flow, unit output, reservoir water level, etc., and monitoring and analysis of these data; Step 2: Establish a mathematical model: Based on the collected data, establish a mathematical model between the power generation of the hydropower station and factors such as water head, flow, and unit efficiency to accurately describe the operating characteristics of the hydropower station; Step 3: Optimization target setting: According to the power market demand, the operating constraints of the hydropower station and the economic benefit target, the objective function of optimizing power generation control is set, such as maximizing power generation benefits, minimizing power generation costs, etc. Step 4: Intelligent optimization algorithm solution: Use the intelligent optimization algorithm to solve the set objective function and obtain the optimal power generation control strategy, including unit combination, startup sequence, load distribution, etc. Step 5: Real-time control and adjustment: Apply the optimized power generation control strategy to the operation control of the hydropower station in real time, and dynamically adjust and optimize the control strategy according to the actual operation situation and new data collection; Step 6 Effect evaluation and feedback: Regularly evaluate the power generation control effect of the hydropower station, analyze the changes in indicators such as power generation efficiency and economic benefits, and feed back the evaluation results to the optimization algorithm to further improve and perfect the power generation control method.

2. A method for autonomous optimization of power generation control of a hydropower station according to claim 1, characterized in that: According to the algorithm formula of the objective function of optimizing power generation control set in step 3 and step 4, the objective function can be set as: minPi(t)ΣiΣtCi(Pi(t))+λΣiΣtEi(Pi(t)) StΣiPi(t)≥D(t)∀t Pi ≤Pi(t)≤Pi ∀i,t Hi ≤Hi(t)≤Hi ∀i,t in The first term ΣiΣtCi(Pi(t)) represents the minimization of the total generation cost; The second term λΣiΣtEi(Pi(t)) indicates the consideration of environmental impact, where λ is the environmental weight factor; Constraints: ΣiPi(t)≥D(t)∀t Ensure that total power generation capacity meets electricity market demand; Pi ≤Pi(t)≤Pi ∀i, t limits the power generation of each hydropower station to its lower limit Pi and the upper limit Pi; Hi ≤Hi(t)≤Hi ∀i,t Represents operational constraints such as water level on a hydropower station.

3. The method for autonomous optimization of power generation control of a hydropower station according to claim 1, characterized in that: The real-time data collection equipment in the hydropower station in step 1 comprises a water receiving pipe (1), a solenoid valve (11) is provided below the water receiving pipe (1), a positioning ring (12) is provided in the middle of the outer wall of the water receiving pipe (1), the positioning ring (12) is detachably connected to a rotating assembly (2), and the rotating assembly (2) is installed on the water receiving power station; A support plate (3) is provided on the water collection power station, a movable assembly (4) is provided on the support plate (3), the movable assembly (4) is detachably connected to a rotating tool (5), the rotating tool (5) is detachably connected to a collection pipe (6), and a water guide ring (61) is provided on the collection pipe (6), the water guide ring (61) is detachably connected to a hose (62), and the hose (62) is detachably connected to a collection device (7).

4. A method for autonomous optimization of power generation control of a hydropower station according to claim 3, characterized in that: The rotating assembly (2) comprises a first rotating rod (21) and a mounting plate (22); one end of the first rotating rod (21) is detachably connected to the positioning ring (12); a first driving motor (23) is provided on the mounting plate (22); a driving shaft of the first driving motor (23) is connected to the first rotating rod (21); and a bearing of the first rotating rod (21) is connected to the mounting plate (22).

5. A method for autonomous optimization of power generation control of a hydropower station according to claim 4, characterized in that: The positioning ring (12) is symmetrically provided with two first slide grooves (121), the mounting plate (22) is symmetrically provided with two through holes (221), and the mounting plate (22) is provided with an electric telescopic rod (24), the top end of the electric telescopic rod (24) is detachably connected to an I-shaped bar (25), and the I-shaped bar (25) slides through the two through holes (221) and the two first slide grooves (121).

6. A method for autonomous optimization of power generation control of a hydropower station according to claim 3, characterized in that: The moving assembly (4) comprises a second drive motor (41), a second slide groove (31) is provided on the support plate (3), the second drive motor (41) is arranged at one end in the second slide groove (31), a drive shaft of the second drive motor (41) is connected to a second screw rod (42), a bearing of the second screw rod (42) is connected in the second slide groove (31), and the second screw rod (42) is rotatably connected to a third connecting plate (43), and the third connecting plate (43) is detachably connected to the rotating tooling (5) at its lower side.

7. A method for autonomous optimization of power generation control of a hydropower station according to claim 6, characterized in that: The rotary tooling (5) comprises a third drive motor (51), the third drive motor (51) being detachably connected to the third connecting plate (43), and the drive shaft of the third drive motor (51) being connected to a rotating disk (52), a spherical groove (53) being provided below the rotating disk (52), an adjusting ball (54) being provided in the spherical groove (53), the adjusting ball (54) being detachably connected to an adjusting plate (55), and the adjusting plate (55) being provided with a plurality of adjusting holes (56), a plurality of electric telescopic rods (57) being correspondingly provided below the rotating disk (52), the plurality of electric telescopic rods (57) being squeezed and connected in the plurality of adjusting holes (56), and the collecting tube (6) being detachably connected below the adjusting plate (55).

8. A method for autonomous optimization of power generation control of a hydropower station according to claim 6, characterized in that: The rotating disk (52) is provided with an annular groove (521), the third connecting plate (43) is provided with a positioning rod (431), the lower end of the positioning rod (431) is movably connected to a limiting ball (432), the limiting ball (432) is slidably connected in the annular groove (53), and the width of the lower opening of the annular groove (53) is greater than the width of the upper opening thereof.

9. A method for autonomous optimization of power generation control of a hydropower station according to claim 6, characterized in that: Two rubber rings (63) are symmetrically arranged at the inner opening of the water guide ring (61), and the two rubber rings (63) are slidably connected to the outer wall of the collection tube (6). The collection device (7) comprises a conduit (71), and the conduit (71) is detachably connected to the hose (62). An inclined tube (72) is arranged on one side of the conduit (71), and the inclined tube (72) is detachably connected to the air pump (73), and the lower end of the conduit (71) is detachably connected to the detection device (74).

Images