CN103558030A - Electric variable pitch experimental platform of wind generating set - Google Patents
Electric variable pitch experimental platform of wind generating set Download PDFInfo
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- CN103558030A CN103558030A CN201310508088.3A CN201310508088A CN103558030A CN 103558030 A CN103558030 A CN 103558030A CN 201310508088 A CN201310508088 A CN 201310508088A CN 103558030 A CN103558030 A CN 103558030A
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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
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention provides an electric variable pitch experimental platform of a wind generating set and belongs to the technical field of wind power generation. The electric variable pitch experimental platform of the wind generating set comprises a loading driving device, a loading executing mechanism, a coupler and an upper computer. The loading driving device is connected with the coupler through the loading executing mechanism. The coupler is connected with a variable pitch motor of the wind generating set. The variable pitch motor is connected with a variable pitch control system of the variable pitch motor. A variable pitch control system PLC is connected with the upper computer. According to the electric variable pitch experimental platform of the wind generating set, operation of a variable pitch system of the wind generating set is simulated in a nearly real mode; when a loading device is in work, generated power can be combined in a power grid or used by the loading device in a circulation mode; the performance of the autonomously designed variable pitch control system is detected; the performance of a standby power source is detected, so that the wind generating set which is high in performance, quality, reliability and safety is designed. According to the electric variable pitch experimental platform of the wind generating set, the design capacity is large, so that the performance of the autonomously designed variable pitch control system is verified, and the mechanical structure and the electrical parts are further improved and optimized.
Description
Technical field
The invention belongs to wind power technology field, specifically relate to a kind of Wind Turbine Electric Pitch System experiment porch.
Background technology
Along with the outburst of energy crisis in world wide, the significant damage of nuclear energy power generation, the regenerative resources such as wind energy are paid close attention to more and more widely, and are widely used, thereby make aerogenerator consist of the major equipment of Wind Power Utilization.Wind power generating set is the nucleus equipment of wind-power electricity generation, and its performance directly has influence on generating efficiency and the stability of blower fan.
MW class speed change adjustable-pitch wind energy conversion system group is mainstream model in the market, due to the follow-up characteristic of its complex structure, pitch-controlled system obviously, the features such as nonlinear characteristic of fan operation, make speed change displacement wind-powered electricity generation unit control technology become one of study hotspot of blower fan manufacturer and research institution.The operation of MW class wind turbine group can be divided into three phases according to wind speed.First stage: incision wind speed is to wind rating; Subordinate phase: wind rating is to cut-out wind speed; Phase III: be greater than cut-out wind speed.When wind power generating set operates in the first stage, pitch-controlled system makes blade drive oar to maximum windward side, makes the lift of fan blade reach maximum, and then realizes maximal wind-energy capture; When wind power generating set operates in subordinate phase, pitch-controlled system is controlled blade according to the feedback signal of wind speed, wind direction, and then generator speed is maintained in stable scope; When wind power generating set operate in the phase III or situation about breaking down under, pitch-controlled system is controlled blade emergency feathering, utilizes the air dynamic behaviour of blade to carry out skidding, and then guarantees the safe operation of blower fan.
Because newly-designed MW class wind turbine group exists a lot of uncertain factors, in order to develop more reliable, safer new architecture, it is very necessary designing a set of Wind Turbine Electric Pitch System experiment porch.
summary of the invention
For the technical matters of above-mentioned existence, the invention provides a kind of Wind Turbine Electric Pitch System experiment porch.It can provide and approach real pitch-controlled system, thereby the experimental performance of making and data are true, effective, reaches the safety and reliability of new product.
The present invention includes load driver equipment, load and execution mechanism, shaft coupling and host computer; Described load driver equipment is connected with shaft coupling by load and execution mechanism, and shaft coupling is connected with the pitch motor of wind power generating set; Described pitch motor is connected with its variable blade control system, and variable blade control system PLC connects host computer.
Further, described load driver equipment comprises front end unit and three inversion units; Described front end unit connects respectively three inversion units, for drive load topworks, according to different operating modes and type, the size of added load is set.
Further, described front end unit is the biphase rectification device in common DC bus system.
Further, described load and execution mechanism is loading motor.
Further, the axle head of described change oar drive motor is provided with the multi-turn absolute value encoder for motor absolute position feedback.
Further, described change oar drive motor is direct current generator or alternating current generator.
Further, the PLC of described variable blade control system is used for receiving speed and the position signalling that host computer issues, and order is handed down to the servo-driver in variable blade control system, and driven vane motor, realizes the rotation of blade.
Further, described servo-driver is also connected with super capacitor, and super capacitor connects external charging machine, and in the situation of the power down of externally powering, incision standby power supply continues, to servo-driver power supply, to make blade feathering.
Further, described host computer is the PC computer that Bladed software is installed, the master control system of wind-driven generator simulation group.
Further, the concrete grammar of the master control system of described host computer wind-driven generator simulation group is: by wind model, each floor data and location feedback value, the propeller pitch angle calculating and change oar speed are handed down to variable blade control system PLC, then are handed down to three servo driver drives pitch motor revolving vanes by PLC simultaneously; The blade position being obtained by the internal sensor of variable blade control system and speed acquisition, in PLC, then are uploaded in PC and are carried out computational analysis by PLC, and normally whether monitoring variable blade control system operation, provides the instruction of corresponding change oar.
Beneficial effect of the present invention:
1. the present invention approaches the operation of real wind-driven generator simulation group pitch-controlled system; Loading equipemtn the electricity sending can be connected to the grid while working or self recycles; The variable blade control system performance of check autonomous Design; Check back-up source performance, and then design high-performance, high-quality, reliability and safe wind power generating set.
2. Experiment Platform Design capacity of the present invention is larger, substantially be applicable to the institute's organic type below 10MW, not only can verify the control system performance of autonomous Design, can also physical construction and electric original paper be made further improvements and be optimized, and loading system can, by energy-feedback power grid, economize on resources.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1. load driver equipment, 2. front end unit, 3. inversion unit ，4. load and execution mechanism, 5. shaft coupling, 6. pitch motor, 7. super capacitor module, 8. servo-driver, 9. host computer, 10.PLC, 11. scramblers, 12. variable blade control systems.
embodiment:
Below in conjunction with drawings and Examples, describe the present invention:
Embodiment: the present invention includes load driver equipment 1, load and execution mechanism 4, shaft coupling 5 and host computer 9, described load driver equipment 1 is connected with shaft coupling 5 by load and execution mechanism 4, and shaft coupling 5 is connected with the pitch motor of wind power generating set; Described pitch motor 6 is connected with variable blade control system 12, and the PLC10 of variable blade control system 12 connects host computer.
Described load driver equipment comprises front end unit 2 and three inversion units 3; Described front end unit 2 connects respectively three inversion units 3, for drive load topworks 4, according to different operating modes and type, the size of added load is set.Described load and execution mechanism 4 is loading motor.Wherein AFE is active 2, is two-way (can the feedback energy) fairing in common DC bus system.Need to survey assembling external filter LCL in input.Front end unit AFE2, without any need for external test facility, can access same field bus system with inversion unit INU3, by Fieldbus Control and monitoring.Inversion unit INU3 is the two-way inverter of a direct current supply, can realize the Power supply and control to motor.Front end unit AFE2 and inversion unit INU3 are used in conjunction with, and load to variable blade control system 12 by loading motor M, and the rotation of simulation blade, by the situation of change of monitoring software real-time monitored loading system load.The axle head of described pitch motor 6 is provided with the multi-turn absolute value encoder 11 for motor absolute position feedback.Described pitch motor 6 is direct current generator or alternating current generator.The model of described shaft coupling 5 is according to the Capacity Selection of pitch motor.
Described variable blade control system 12 comprises interconnective PLC10 and servo-driver 8, described servo-driver 8 is also connected with super capacitor 7, super capacitor 7 connects external charging machine, in the situation of power down of externally powering, incision standby power supply continues to servo-driver 8 power supplies, make blade feathering, guarantee that blower fan completes emergency feathering emergency.Speed and position signalling that variable blade control system 12 issues for receiving host computer, and order is handed down to the servo-driver 8 in variable blade control system 12, driven vane motor, realizes the rotation of blade.
Whole load driver equipment 1 of the present invention is drive load motor 4(direct current or AC servo motor simultaneously), by shaft coupling 5, load to pitch motor 6, the function of real simulation fan blade.Absolute value encoder 11 feeds back to the PLC10 of variable blade control system 12 as the absolute position of pitch motor, and then feeds back to host computer 9.Host computer 9, by external input signals such as simulation wind speed, wind directions, calculates and issues change oar speed and become oar position to pitch-controlled system 12, realizes the lag function of blade.
Described host computer is the PC computer that Bladed software is installed, the master control system of wind-driven generator simulation group, concrete grammar is: first blower fan model is write to software, and load wind speed model, Bladed software is by wind model, each floor data and location feedback value, the propeller pitch angle calculating and change oar speed are handed down to variable blade control system PLC, then are handed down to three servo driver drives pitch motor revolving vanes by PLC simultaneously; The blade position being obtained by the internal sensor of variable blade control system and speed acquisition, in PLC, then are uploaded in PC and are carried out computational analysis by PLC, and normally whether monitoring variable blade control system operation, provides the instruction of corresponding change oar.
Described variable blade control system 12, is divided into two kinds of operational modes: manually operation and automatically operation.Wherein, manually operation can 3 axle cabinet control separately, clockwise and counterclockwise crawl, seek initial point.While automatically moving, become oar PLC10 reception from position and the speed command of host computer 9 and be handed down to servo-driver 8.When there being fault to trigger, becoming oar PLC10 can issue stop instruction to servo-driver, utilizes the air dynamic behaviour emergency of blade.Utilize the value of feedback of the visualization interface monitoring pitch-controlled system that becomes oar PLC10, understand the design defect of new architecture in depth and optimized.
Described Wind Turbine Electric Pitch System experiment porch is applicable to the following electric pitch-changing control system of 10MW.Variable blade control system 12, pitch motor 6, shaft coupling 5, replace according to type difference.
Described Wind Turbine Electric Pitch System experiment porch, the super capacitor performance that can test variable blade control system is cut away externally fed test feathering number of times in the situation that of loading system work.
The present invention can real simulation blower variable blade control system, and the energy in loading system is two-way, and energy-saving effect is obvious.Host computer is to consist of the PC that Bladed software is housed, can real simulation wind generating set main control system.This experiment porch can greatly very high new architecture safety and reliability.
Claims (10)
1. a Wind Turbine Electric Pitch System experiment porch, is characterized in that: comprise load driver equipment, load and execution mechanism, shaft coupling and host computer; Described load driver equipment is connected with shaft coupling by load and execution mechanism, and shaft coupling is connected with the pitch motor of wind power generating set; Described pitch motor is connected with its variable blade control system, and variable blade control system PLC connects host computer.
2. Wind Turbine Electric Pitch System experiment porch as claimed in claim 1, is characterized in that: described load driver equipment comprises front end unit and three inversion units; Described front end unit connects respectively three inversion units, for drive load topworks, according to different operating modes and type, the size of added load is set.
3. Wind Turbine Electric Pitch System experiment porch as claimed in claim 2, is characterized in that: described front end unit is the biphase rectification device in common DC bus system.
4. Wind Turbine Electric Pitch System experiment porch as claimed in claim 1 or 2, is characterized in that: described load and execution mechanism is loading motor.
5. Wind Turbine Electric Pitch System experiment porch as claimed in claim 1, is characterized in that: the axle head of described change oar drive motor is provided with the multi-turn absolute value encoder for motor absolute position feedback.
6. Wind Turbine Electric Pitch System experiment porch as claimed in claim 1, is characterized in that: described change oar drive motor is direct current generator or alternating current generator.
7. Wind Turbine Electric Pitch System experiment porch as claimed in claim 1, it is characterized in that: the PLC of described variable blade control system is for receiving speed and the position signalling that host computer issues, and order is handed down to the servo-driver in variable blade control system, driven vane motor, realizes the rotation of blade.
8. Wind Turbine Electric Pitch System experiment porch as claimed in claim 7, it is characterized in that: described servo-driver is also connected with super capacitor, super capacitor connects external charging machine, in the situation of power down of externally powering, incision standby power supply continues, to servo-driver power supply, to make blade feathering.
9. Wind Turbine Electric Pitch System experiment porch as claimed in claim 1, is characterized in that: described host computer is the PC computer that Bladed software is installed, the master control system of wind-driven generator simulation group.
10. Wind Turbine Electric Pitch System experiment porch as claimed in claim 9, it is characterized in that: the concrete grammar of the master control system of described host computer wind-driven generator simulation group is: by wind model, each floor data and location feedback value, the propeller pitch angle calculating and change oar speed are handed down to variable blade control system PLC, then are handed down to three servo driver drives pitch motor revolving vanes by PLC simultaneously; The blade position being obtained by the internal sensor of variable blade control system and speed acquisition, in PLC, then are uploaded in PC and are carried out computational analysis by PLC, and normally whether monitoring variable blade control system operation, provides the instruction of corresponding change oar.
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| CN201310508088.3A CN103558030B (en) | 2013-10-24 | 2013-10-24 | Wind Turbine Electric Pitch System experiment porch |
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| CN201310508088.3A CN103558030B (en) | 2013-10-24 | 2013-10-24 | Wind Turbine Electric Pitch System experiment porch |
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| CN103558030A true CN103558030A (en) | 2014-02-05 |
| CN103558030B CN103558030B (en) | 2016-08-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104391500A (en) * | 2014-11-13 | 2015-03-04 | 湖南世优电气股份有限公司 | In-loop comprehensive testing platform of wind generation set variable pitch system |
| CN106246463A (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | The test system of wind generating set pitch control system and appraisal procedure |
| CN106353679A (en) * | 2016-09-13 | 2017-01-25 | 沈阳华创风能有限公司 | Testing system for variable pitch system of megawatt wind turbine generator |
| CN106762414A (en) * | 2016-11-23 | 2017-05-31 | 北京华电天仁电力控制技术有限公司 | A kind of board-like Programmable Logic Controller for variable pitch control system of wind generating |
| CN107844654A (en) * | 2017-11-13 | 2018-03-27 | 北京三力新能科技有限公司 | A kind of blower fan hydraulic variable propeller system load processing platform |
| CN111241708A (en) * | 2020-02-13 | 2020-06-05 | 许昌许继风电科技有限公司 | Calculation method and model selection method of super capacitor for large fan variable pitch system |
| CN111599239A (en) * | 2020-05-27 | 2020-08-28 | 河北新天科创新能源技术有限公司 | Wind turbine generator system variable pitch system training device |
| CN114326578A (en) * | 2022-03-10 | 2022-04-12 | 东方电气风电股份有限公司 | Become oar loading cabinet and control system |
| CN114567127A (en) * | 2021-12-08 | 2022-05-31 | 浙江运达风电股份有限公司 | Common-bus multi-transmission variable-pitch motor driving device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104391500A (en) * | 2014-11-13 | 2015-03-04 | 湖南世优电气股份有限公司 | In-loop comprehensive testing platform of wind generation set variable pitch system |
| CN106246463A (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | The test system of wind generating set pitch control system and appraisal procedure |
| CN106353679A (en) * | 2016-09-13 | 2017-01-25 | 沈阳华创风能有限公司 | Testing system for variable pitch system of megawatt wind turbine generator |
| CN106762414A (en) * | 2016-11-23 | 2017-05-31 | 北京华电天仁电力控制技术有限公司 | A kind of board-like Programmable Logic Controller for variable pitch control system of wind generating |
| CN106762414B (en) * | 2016-11-23 | 2020-05-22 | 北京华电天仁电力控制技术有限公司 | Plate type programmable controller for variable pitch control system of wind generating set |
| CN107844654A (en) * | 2017-11-13 | 2018-03-27 | 北京三力新能科技有限公司 | A kind of blower fan hydraulic variable propeller system load processing platform |
| CN107844654B (en) * | 2017-11-13 | 2021-03-16 | 北京三力新能科技有限公司 | Load processing system of fan hydraulic pitch control system |
| CN111241708A (en) * | 2020-02-13 | 2020-06-05 | 许昌许继风电科技有限公司 | Calculation method and model selection method of super capacitor for large fan variable pitch system |
| CN111241708B (en) * | 2020-02-13 | 2023-06-06 | 许昌许继风电科技有限公司 | Calculation method and model selection method of super capacitor for large fan variable pitch system |
| CN111599239A (en) * | 2020-05-27 | 2020-08-28 | 河北新天科创新能源技术有限公司 | Wind turbine generator system variable pitch system training device |
| CN114567127A (en) * | 2021-12-08 | 2022-05-31 | 浙江运达风电股份有限公司 | Common-bus multi-transmission variable-pitch motor driving device |
| CN114326578A (en) * | 2022-03-10 | 2022-04-12 | 东方电气风电股份有限公司 | Become oar loading cabinet and control system |
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