CN102562617A - Simulation testing system for wind energy centrifugal pump - Google Patents
Simulation testing system for wind energy centrifugal pump Download PDFInfo
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- CN102562617A CN102562617A CN2012100606065A CN201210060606A CN102562617A CN 102562617 A CN102562617 A CN 102562617A CN 2012100606065 A CN2012100606065 A CN 2012100606065A CN 201210060606 A CN201210060606 A CN 201210060606A CN 102562617 A CN102562617 A CN 102562617A
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Abstract
The invention discloses a simulation testing system for a wind energy centrifugal pump and belongs to the field of water saving irrigation and utilization of new energy resources. The simulation testing system comprises a wind power simulation motor, a wind power simulation controller, a generator, a variable frequency controller, an outlet pressure transmitter, a flowmeter, a deep well water pump, an outlet flow regulating valve, a pump-out water pipe and a water pool, wherein the wind power simulation controller drives the wind power simulation motor to simulate wind energy according to a characteristic curve of a wind turbine under different wind speed conditions so as to drive a generator, the variable frequency speed regulation control is implemented on the water pump by the variable frequency controller so as to drive the deep well water pump to work under the variable working condition, and finally, test parameters such as a required pressure and a required flow are measured by utilizing a data acquisition instrument through the outlet pressure transmitter and the flowmeter and the performance and the operating characteristics of the deep well water pump are tested. The testing system has a simple structure, is convenient to operate and can be used for completely simulating the actual working state of the wind energy centrifugal pump. The test is not influenced by the climatic conditions such as the weather and the wind speed. The simulation testing system is low in cost. A wind energy pump testing device is perfected.
Description
Technical field
The invention belongs to water-saving irrigation and utilization of new energy resources field, refer in particular to wind energy centrifugal pump simulation experiment system.
Background technique
The west area of the remote backwardness of China is because electrical network is difficult for arrival; The groundwater resources utilization ratio is extremely low; Cause desertification of land, ecotope goes from bad to worse, crop production reduction; Even much do not have electric population adhesion and apply flexibly water and all do not have thoroughly to solve, these problems have seriously hindered the development of western China economic society.Yet at these regional wind energy aboundresources, potentiality to be exploited is big, utilizes wind energy to drive water pump extraction underground water and can alleviate western no electric poverty-stricken area common people drinking-water of China and farming and animal husbandry problem of water consumption greatly.The wind energy pumping system is a kind of green novel energy source utilization technology that fast development is got up, and the hydraulic performance of its key equipment deep-well pump and wind-powered electricity generation power system matching problem directly influence the efficient and stability of system.For a long time, water pump generally all is directly from existing product, to carry out type selecting in the wind-powered electricity generation water pumping system, and mostly its design is under declared working condition, to carry out with test, causes the Performance Match of deep-well pump and wind power system usually not reach the best.Yet, since wind speed, direction and energy with season, altitude, region, roughness of ground surface is different changes, during the wind energy pump work, its operating conditions is constantly to change, to the efficient of deep-well pump work, stablize and reliability effect very big.When indoor making an experiment; Most performance parameters of testing under the measured design conditions can not really reflect the performance in the practical application of wind energy pump; Therefore, the cost of consideration test and easy to operate is necessary to design a kind of testing apparatus that can simulate the wind energy centrifugal pump working states'.Through retrieval, also there is not the relevant patent of declaring at present.
Summary of the invention
The objective of the invention is to simulate wind energy pumping system actual working state; Under variable working condition, wind energy is made an experiment with deep well water pump; The wind energy condition is difficult to satisfy the actual application problem that test requirements document etc. can not be considered in laboratory test institute when solving the experiment of wind energy pump, and multi-operating mode design and the reliable Journal of Sex Research for the wind energy pump provides test conditions easily.
Wind energy centrifugal pump simulation experiment system comprises Measurement and Control System, wind-force analog drive system and hydraulic circulating system; The wind-force analog drive system is connected with the hydraulic circulating system, is connected with Measurement and Control System respectively again, through Measurement and Control System make an experiment control and data capture, the analysis of pressure in the process, flow etc.;
Wherein Measurement and Control System comprises computer, data collecting instrument, electric closet, outlet pressure transmitter, flowmeter, rate of discharge modulating valve; Computer, data collecting instrument and electric closet are cascaded; Data collecting instrument links to each other with outlet pressure transmitter, flowmeter respectively, is used for pressure and data on flows in the acquisition test.
Wherein the wind-force analog drive system comprises wind-force simulated machine, wind-force analog controller, generator, frequency-variable controller; Data collecting instrument is connected with the wind-force simulated machine; Regulate wind-force simulated machine simulation wind energy with the wind-force analog controller, and then drive generator, generator links to each other with deep well water pump; And deep well water pump is implemented variable frequency regulating speed control through frequency-variable controller, drive deep well water pump work.
Wherein the hydraulic circulating system comprises deep well water pump, water pump outlet pipe, pond; Deep well water pump is positioned in the pond; Last termination water pump outlet pipe is provided with outlet pressure transmitter, flowmeter, rate of discharge modulating valve successively on the water pump outlet pipe, the water pump outlet pipe terminal is inserted in the pond and constituted circulation loop.
Principle of the present invention and method for using are: it is test bed to build water pump; With the characteristic curve driving wind-force simulated machine simulation wind energy of wind-force analog controller according to wind energy conversion system under the different wind friction velocities; Through frequency-variable controller water pump is implemented variable frequency regulating speed control; Drive deep well water pump and under variable working condition, work, utilize data collecting instrument to record test parameters such as required pressure, flow through outlet pressure transmitter, flowmeter at last, test phreatic water pump performance and roadability.
The invention has the advantages that: test system architecture is simple, and is easy to operate, simulates the actual working state of wind energy centrifugal pump fully, and test does not receive the weather influence of weather, wind speed etc., and cost is low, perfect wind energy pump testing device.
Description of drawings
Fig. 1 is a wind energy centrifugal pump simulation experiment system schematic representation.
Among the figure, 1. computer, 2. data collecting instrument, 3. wind-force simulated machine, 4. wind-force analog controller; 5. generator, 6. frequency-variable controller, 7. electric closet, 8. outlet pressure transmitter, 9. flowmeter; 10. deep well water pump, 11. rate of discharge modulating valve, 12. water pump outlet pipes, 13. ponds.
Embodiment
As shown in Figure 1, the present invention includes computer 1, data collecting instrument 2, wind-force simulated machine 3, wind-force analog controller 4; Generator 5, frequency-variable controller 6, electric closet 7, outlet pressure transmitter 8, flowmeter 9; Deep well water pump 10, rate of discharge modulating valve 11, water pump outlet pipe 12, parts such as pond 13.Wind energy centrifugal pump simulation experiment system is made up of Measurement and Control System, wind-force analog drive system, hydraulic circulating system; The wind-force analog drive system is connected with the hydraulic circulating system; Be connected with Measurement and Control System respectively again, through Measurement and Control System make an experiment control and data capture, the analysis of pressure in the process, flow etc.Measurement and Control System comprises computer 1, data collecting instrument 2, electric closet 7, outlet pressure transmitter 8, flowmeter 9, rate of discharge modulating valve 11; Computer 1, data collecting instrument 2 are cascaded with electric closet 7; Data collecting instrument 2 links to each other with outlet pressure transmitter 8, flowmeter 9 respectively; Be respectively applied for outlet pressure, the flow of test deep well water pump 10, rate of discharge modulating valve 11 is used to regulate the flow of deep well water pump 10; The wind-force analog drive system comprises wind-force simulated machine 3, wind-force analog controller 4, generator 5, frequency-variable controller 6; Wind-force simulated machine 3 left sides are connected with data collecting instrument 2; With the characteristic curve driving wind-force simulated machine 3 simulation wind energies of wind-force analog controller 4 according to wind energy conversion system under the different wind friction velocities; And then the generator 5 on the right of driving; Generator 5 the right link to each other with deep well water pump 10, and implement variable frequency regulating speed control through 6 pairs of deep well water pumps of frequency-variable controller 10, drive deep well water pump 10 work; The hydraulic circulating system comprises deep well water pump 10, water pump outlet pipe 12, pond 13; Deep well water pump 10 is positioned in the pond 13; Last termination water pump outlet pipe 12; Be provided with outlet pressure transmitter 8, flowmeter 9, rate of discharge modulating valve 11 on the water pump outlet pipe 12 successively, water pump outlet pipe 12 terminals are inserted in the pond 13 and are constituted circulation loop.
Working procedure is: according to the characteristic curve of wind energy conversion system under the different wind friction velocities; Drive 3 work of wind-force simulated machine by wind-force analog controller 4; Wind-force simulated machine 3 drives generator 5; Implement variable frequency regulating speed control through 6 pairs of deep well water pumps of frequency-variable controller 10, drive deep well water pump 10 variable working conditions; Water is pumped to deep well water pump 10 by pond 13, and the water outlet of tested deep well water pump 10 is flowed back to the pond through outlet pressure transmitter 8, flowmeter 9 and rate of discharge modulating valve 11, forms a loop.Pressure transmitter 8 is accomplished the measurement of outlet pressure, 9 measurements of accomplishing flow of flowmeter.Change different operating modes; And regulate the flow of deep well water pumps 10 through rate of discharge modulating valve 11; Measure in real time by 2 pairs of above-mentioned parameters of data collecting instrument, through software for calculation performance parameters such as the pressure of deep well water pump, flow, efficient are calculated then, generate corresponding experimental performance curve.
Embodiment: wind energy centrifugal pump simulation experiment system of the present invention has carried out experimental study on Jiangsu University's fluid machinery multifunctional water pump test stand; Test stand is as shown in Figure 1; Test pump is the centrifugal pump for deep well of our unit's autonomous Design exploitation; Performance parameter is: rated speed is 600r/min, rated head H=15m, rated flow Q=20m
3/ h; Through the wind-force analog controller simulation fan parameter being set is: power coefficient 0.41, tip speed ratio 5.2, rated wind speed are 8 m/s.Testing initial wind speed is 6m/s, and wind speed is increased to 8m/s behind the 4s, drops to 4m/s behind the 10s rapidly, and test result is following:
Wind speed stationary phase, system is stable, and unit obtains greater efficiency, and under rated wind speed 8m/s, generating efficiency reaches 40%, actual measurement pump capacity Q=18m
3/ h, lift H=9m; (4 m/s～6m/s), though the flow of pump and lift all descend to some extent, the unit whole efficiency still can reach about 14% in low wind speed district; When wind speed changed, system dynamic characteristic was good, does not occur than great fluctuation process, explains that this system has the efficient traffic coverage of broad, and water pump is good with simulation fan performance coupling.
Practice shows; Wind energy centrifugal pump simulation experiment system of the present invention can be simulated the actual working state of wind energy centrifugal pump fully, and test effect is good, and cost is low; Do not receive the weather influence of weather, wind speed etc., be the experimental study of the daily wind energy centrifugal pump condition of providing convenience.
Claims (1)
1. wind energy centrifugal pump simulation experiment system is characterized in that, is made up of Measurement and Control System, wind-force analog drive system, hydraulic circulating system; Said wind-force analog drive system is connected with the hydraulic circulating system, is connected with Measurement and Control System respectively again, through Measurement and Control System make an experiment control and data capture, the analysis of pressure in the process, flow etc.; Measurement and Control System comprises computer (1), data collecting instrument (2), electric closet (7), outlet pressure transmitter (8), flowmeter (9) and rate of discharge modulating valve (11); Said computer (1), data collecting instrument (2) are cascaded with electric closet (7); Data collecting instrument (2) links to each other with outlet pressure transmitter (8), flowmeter (9) respectively; Test outlet pressure, the flow of deep well water pump (10) respectively, rate of discharge modulating valve (11) is regulated the flow of deep well water pump (10); Said wind-force analog drive system comprises wind-force simulated machine (3), wind-force analog controller (4), generator (5) and frequency-variable controller (6); Wind-force simulated machine (3) is connected with data collecting instrument (2); Wind-force analog controller (4) drives wind-force simulated machine (3) simulation wind energy according to the characteristic curve of wind energy conversion system under the different wind friction velocities; And then drive generator (5); Generator (5) links to each other with deep well water pump (10), and through frequency-variable controller (6) deep well water pump (10) is implemented variable frequency regulating speed control, drives deep well water pump (10) work; The hydraulic circulating system comprises deep well water pump (10), water pump outlet pipe (12) and pond (13); Deep well water pump (10) is positioned in the pond (13); Last termination water pump outlet pipe (12); Be provided with outlet pressure transmitter (8), flowmeter (9), rate of discharge modulating valve (11) on the water pump outlet pipe (12) successively, water pump outlet pipe (12) terminal is inserted and is constituted circulation loop in the pond (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100606065A CN102562617A (en) | 2012-03-09 | 2012-03-09 | Simulation testing system for wind energy centrifugal pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100606065A CN102562617A (en) | 2012-03-09 | 2012-03-09 | Simulation testing system for wind energy centrifugal pump |
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| CN102562617A true CN102562617A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100606065A Withdrawn CN102562617A (en) | 2012-03-09 | 2012-03-09 | Simulation testing system for wind energy centrifugal pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487527A (en) * | 2016-01-11 | 2016-04-13 | 温州大学 | Water pump integrated measurement and control platform |
| CN105676835A (en) * | 2016-01-11 | 2016-06-15 | 温州大学 | Water pump and pump controller integrated measurement and control system |
| CN112327951A (en) * | 2020-12-04 | 2021-02-05 | 中国船舶工业集团公司第七0八研究所 | Automatic flow control system for water pump hydraulic performance test bed |
-
2012
- 2012-03-09 CN CN2012100606065A patent/CN102562617A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487527A (en) * | 2016-01-11 | 2016-04-13 | 温州大学 | Water pump integrated measurement and control platform |
| CN105676835A (en) * | 2016-01-11 | 2016-06-15 | 温州大学 | Water pump and pump controller integrated measurement and control system |
| CN105487527B (en) * | 2016-01-11 | 2017-12-08 | 爱科赛智能科技（台州）有限公司 | A kind of water pump integrates monitoring platform |
| CN105676835B (en) * | 2016-01-11 | 2018-01-05 | 爱科赛智能科技（台州）有限公司 | A kind of water pump and pump controller integrated surveying system |
| CN112327951A (en) * | 2020-12-04 | 2021-02-05 | 中国船舶工业集团公司第七0八研究所 | Automatic flow control system for water pump hydraulic performance test bed |
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Application publication date: 20120711 |