CN103558030B - Wind Turbine Electric Pitch System experiment porch - Google Patents
Wind Turbine Electric Pitch System experiment porch Download PDFInfo
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- CN103558030B CN103558030B CN201310508088.3A CN201310508088A CN103558030B CN 103558030 B CN103558030 B CN 103558030B CN 201310508088 A CN201310508088 A CN 201310508088A CN 103558030 B CN103558030 B CN 103558030B
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- control system
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
A kind of Wind Turbine Electric Pitch System experiment porch, belongs to technical field of wind power generation.Including load driver equipment, load and execution mechanism, shaft coupling and host computer；Described load driver equipment is connected by load and execution mechanism and shaft coupling, 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.The present invention is close to the operation of real wind-driven generator simulation group pitch-controlled system；The electricity sent can be connected to the grid during loading equipemtn work or repeats itself uses；The variable blade control system performance of inspection autonomous Design；Inspection back-up source performance, and then design the wind power generating set that high-performance, high-quality, reliability and safety are high.The Experiment Platform Design capacity of the present invention is relatively big, not only can verify the control system performance of autonomous Design, moreover it is possible to frame for movement and electric original paper are made further improvements and optimized.
Description
Technical field
The invention belongs to technical field of wind power, be specifically related 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 resource such as wind energy is the most widely paid close attention to, and is widely used, so that wind-driven generator consists of the capital equipment of Wind Power Utilization.Wind power generating set is the nucleus equipment of wind-power electricity generation, and its performance directly influences 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, the features such as follow-up characteristic complicated due to its structure, pitch-controlled system is obvious, the nonlinear characteristic of fan operation so that speed change displacement Wind turbines controls one of technology study hotspot becoming 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 rated wind speed；Second stage: rated wind speed is to cut-out wind speed；Phase III: more than cut-out wind speed.When wind power generating set operates in the first stage, pitch-controlled system makes blade open the most maximum windward side of oar, makes the lift of fan blade reach maximum, and then realizes maximal wind-energy capture；When wind power generating set operates in second stage, pitch-controlled system controls blade according to the feedback signal of wind speed, wind direction, and then generator speed is maintained in stable scope；In the case of wind power generating set operates in the phase III or breaks down, pitch-controlled system controls blade emergency feathering, utilizes the air dynamic behaviour of blade to carry out skidding, and then ensures the safe operation of blower fan.
Owing to newly-designed MW class wind turbine group exists a lot of uncertain factor, in order to develop more reliable, safer new architecture, it is the most necessary for designing a set of Wind Turbine Electric Pitch System experiment porch.
Summary of the invention
For the technical problem of above-mentioned existence, the present invention provides a kind of Wind Turbine Electric Pitch System experiment porch.It can provide close to real pitch-controlled system, so that experimental performance 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 by load and execution mechanism and shaft coupling, 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 includes front end unit and three inversion units；Described front end unit connects three inversion units respectively, for drive load actuator, according to different operating modes and type, arranges the size of added load.
Further, the biphase rectification device during described front end unit is common DC bus system.
Further, described load and execution mechanism is loading motor.
Further, the axle head of described pitch drive motor is provided with the multi-turn absolute value encoder for motor absolute position feedback.
Further, described pitch drive motor is direct current generator or alternating current generator.
Further, the PLC of described variable blade control system, for receiving speed and the position signalling that host computer issues, and servo-driver order being handed down in variable blade control system, drives paddle motor, it is achieved the rotation of blade.
Further, described servo-driver is also associated with super capacitor, and super capacitor connects external charging machine, and in the case of externally fed power down, incision stand-by power supply continues to power to servo-driver so that blade feathering.
Further, described host computer is the PC computer being provided with Bladed software, 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, calculated propeller pitch angle 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 that obtained by the internal sensor of variable blade control system and speed acquisition are in PLC, then are uploaded to carry out in PC computational analysis by PLC, and monitoring variable blade control system is the most properly functioning, are given and corresponding become oar instruction.
Beneficial effects of the present invention:
1. the present invention is close to the operation of real wind-driven generator simulation group pitch-controlled system；The electricity sent can be connected to the grid during loading equipemtn work or repeats itself uses；The variable blade control system performance of inspection autonomous Design；Inspection back-up source performance, and then design the wind power generating set that high-performance, high-quality, reliability and safety are high.
2. the Experiment Platform Design capacity of the present invention is bigger, apply generally to institute's organic type of below 10MW, not only can verify the control system performance of autonomous Design, moreover it is possible to frame for movement and electric original paper are made further improvements and optimizes, and energy-feedback power grid can be economized on resources by loading system.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
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. encoders, 12. variable blade control systems.
Detailed description of the invention:
Describe the present invention with embodiment below in conjunction with the accompanying drawings:
Embodiment: the present invention includes that load driver equipment 1, load and execution mechanism 4, shaft coupling 5 and host computer 9, described load driver equipment 1 are connected by load and execution mechanism 4 and shaft coupling 5, 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 includes front end unit 2 and three inversion units 3；Described front end unit 2 connects three inversion units 3 respectively, for drive load actuator 4, according to different operating modes and type, arranges the size of added load.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 need not any 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 to motor and control.Front end unit AFE2 and inversion unit INU3 with the use of, and loaded to variable blade control system 12 by loading motor M, 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 includes interconnective PLC10 and servo-driver 8, described servo-driver 8 is also associated with super capacitor 7, super capacitor 7 connects external charging machine, in the case of externally fed power down, incision stand-by power supply continues to power to servo-driver 8, make blade feathering, it is ensured that blower fan completes emergency feathering emergency.Variable blade control system 12, for receiving speed and the position signalling that host computer issues, and the servo-driver 8 order being handed down in variable blade control system 12, drives paddle motor, it is achieved the rotation of blade.
The whole load driver equipment 1 of the present invention simultaneously drives loading motor 4(direct current or AC servo motor), load to pitch motor 6 by shaft coupling 5, the true function simulating fan blade.Absolute value encoder 11 to the PLC10 of variable blade control system 12, and then feeds back to host computer 9 as the absolute position feedback of pitch motor.Host computer 9, by the simulation external input signal such as wind speed, wind direction, calculates and issues change oar speed and pitch position to pitch-controlled system 12, it is achieved the lag function of blade.
Described host computer is the PC computer being provided with Bladed software, the master control system of wind-driven generator simulation group, method particularly includes: first blower fan model is write software, and load Wind speed model, Bladed software is by wind model, each floor data and location feedback value, calculated propeller pitch angle 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 that obtained by the internal sensor of variable blade control system and speed acquisition are in PLC, then are uploaded to carry out in PC computational analysis by PLC, and monitoring variable blade control system is the most properly functioning, are given and corresponding become oar instruction.
Described variable blade control system 12, is divided into two kinds of operational modes: manually run and automatically run.Wherein, manually run individually can control with 3 axle cabinets, clockwise and anticlockwise crawl, seek initial point.When automatically running, become oar PLC10 and receive from the position of host computer 9 and speed command and be handed down to servo-driver 8.When faulty triggering, becoming oar PLC10 can issue halt 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 becoming oar PLC10, understand the design defect of new architecture in depth and optimized.
Described Wind Turbine Electric Pitch System experiment porch is applicable to below 10MW electric pitch-changing control system.Variable blade control system 12, pitch motor 6, shaft coupling 5, be replaced according to type difference.
Described Wind Turbine Electric Pitch System experiment porch, can test the super capacitor performance of variable blade control system, cuts away externally fed test feathering number of times in the case of loading system works.
The present invention can truly simulate blower variable blade control system, and the energy in loading system is two-way, and energy-saving effect is obvious.Host computer is to be made up of the PC equipped with Bladed software, can true wind-driven generator simulation group master control system.This experiment porch can the safety and reliability of the highest new architecture.
Claims (1)
1. a Wind Turbine Electric Pitch System experiment porch, it is characterised in that: include load driver equipment,
Load and execution mechanism, shaft coupling and host computer；Described load driver equipment passes through load and execution mechanism and shaft coupling
Device connects, and shaft coupling is connected with the pitch motor of wind power generating set；Described pitch motor and its pitch control
System connects, and variable blade control system PLC connects host computer；Described load driver equipment include front end unit and
Three inversion units；Described front end unit connects three inversion units respectively, for drive load actuator,
According to different operating modes and type, the size of added load is set；Described front end unit is common DC bus system
In biphase rectification device；Described load and execution mechanism is loading motor；Described variable blade control system PLC uses
In receiving speed and the position signalling that host computer issues, and the servo that order is handed down in variable blade control system
Driver, drives paddle motor, it is achieved the rotation of blade；The axle head of described pitch motor is provided with for electricity
The multi-turn absolute value encoder of machine absolute position feedback；Described pitch motor is direct current generator or alternating current generator；
Described servo-driver is also associated with super capacitor, and super capacitor connects external charging machine, falls at externally fed
In the case of electricity, incision super capacitor continues to power to servo-driver so that blade feathering；Described upper
Machine is the PC computer being provided with Bladed software, the master control system of wind-driven generator simulation group, and concrete grammar is:
By wind model, each floor data and location feedback value, calculated propeller pitch angle and change oar speed are issued
To variable blade control system PLC, then it is handed down to three servo driver drives pitch motors rotation oars by PLC simultaneously
Leaf；The blade position that obtained by the internal sensor of variable blade control system and speed acquisition in PLC, then by
PLC uploads to carry out in PC computational analysis, and monitoring variable blade control system is the most properly functioning, is given corresponding
Change oar instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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 CN103558030A (en) | 2014-02-05 |
| CN103558030B true CN103558030B (en) | 2016-08-17 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| CN114326578B (en) * | 2022-03-10 | 2022-07-12 | 东方电气风电股份有限公司 | Become oar loading cabinet and control system |
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| US7709972B2 (en) * | 2007-08-30 | 2010-05-04 | Mitsubishi Heavy Industries, Ltd. | Wind turbine system for satisfying low-voltage ride through requirement |
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| US7709972B2 (en) * | 2007-08-30 | 2010-05-04 | Mitsubishi Heavy Industries, Ltd. | Wind turbine system for satisfying low-voltage ride through requirement |
| CN201607643U (en) * | 2010-01-29 | 2010-10-13 | 国电联合动力技术(连云港)有限公司 | Testing device for variable pitch control system of wind generating set |
| CN102589914A (en) * | 2012-02-01 | 2012-07-18 | 国电南瑞科技股份有限公司 | All-digital testbed for electric pitch control system of wind generating set |
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