CN104295443A - Wind power variable-pitch control system - Google Patents
Wind power variable-pitch control system Download PDFInfo
- Publication number
- CN104295443A CN104295443A CN201310298212.8A CN201310298212A CN104295443A CN 104295443 A CN104295443 A CN 104295443A CN 201310298212 A CN201310298212 A CN 201310298212A CN 104295443 A CN104295443 A CN 104295443A
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- CN
- China
- Prior art keywords
- gprs module
- inverter
- plc
- rectifier
- dsp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 238000004886 process control Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 101100190621 Arabidopsis thaliana PLC4 gene Proteins 0.000 description 8
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a wind power variable-pitch control system which comprises an industrial personal computer, a first GPRS module, a second GPRS module, a PLC, a power supply, a variable-pitch motor and a driving circuit, wherein the driving circuit comprises a DSP, a rectifier, a super-capacitor and an inverter, the industrial personal computer is connected with the first GPRS module, the first GPRS module is wirelessly connected with the second GPRS module, the second GPRS module, the PLC, the DSP and the inverter are sequentially connected, the rectifier, the super-capacitor, the inverter and the variable-pitch motor are sequentially connected, the rectifier is connected into the mains supply, and the power supply is respectively connected with the industrial personal computer, the first GPRS module, the second GPRS module, the PLC and the DSP. On the basis of ensuring the variable-pitch control effect, the structure is simplified, the cost is reduced, and remote wireless control can be realized.
Description
Technical field
The present invention relates to a kind of variable propeller pitch control.
Background technique
Wind-power electricity generation is by being mechanical energy by the kinetic transformation of air, and then is converted into electric energy, is developing direction that are with fastest developing speed in current new energy development field and most potentiality.But wind energy is as a kind of intermittent energy source, there is very large randomness and uncontrollability.The wave range of wind power generating set output power is usually larger, usually by the blade pitch angle on variable blade control system adjustment wheel hub, the wind energy that change according to wind speed regulates propeller pitch angle to absorb to control wind-driven generator at any time, thus improve the efficiency of whole wind power generating set, keep power and the velocity-stabilization of wind power generating set, and can effectively reduce blower fan load.
At present, along with the power of wind power generating set increases gradually, in order to ensure good change oar control effects, the structure of variable blade control system also becomes increasingly complex, and cost also constantly rises.Therefore, ensureing to become on the basis of oar control effects, simplifying the structure of variable propeller pitch control as far as possible, reducing its cost, is the problem that the applicant is devoted to solve.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple, cost is low and can the variable propeller pitch control of controlled in wireless, wind electricity change paddle can be realized accurately and rapidly and control.
The technological scheme realizing above-mentioned purpose is:
A kind of variable propeller pitch control, comprise process control machine, a GPRS(general packet radio service technology) module, the second GPRS module, PLC(programmable logic controller (PLC)), power supply, pitch motor and drive circuit, described drive circuit comprises DSP(DSP digital signal processor), rectifier, super capacitor and inverter, wherein:
Described process control machine is connected with the first GPRS module;
Described first GPRS module and the second GPRS module wireless connections;
Described second GPRS module, PLC, DSP are connected successively with inverter;
Described rectifier, super capacitor, inverter are connected successively with pitch motor;
Described rectifier access civil power;
Described power supply connects described process control machine, the first GPRS module, the second GPRS module, PLC and DSP respectively.
Above-mentioned variable propeller pitch control, wherein,
Civil power is converted into direct current by described rectifier, is stored by described super capacitor;
Described process control machine, according to wind speed, generator power and rotating speed, calculates the change oar expected value of blade, and expected value is converted into control command and issues described PLC by the first GPRS module and the second GPRS module;
Described PLC controls described DSP according to the control command received and exports corresponding pulse signal to described inverter;
Described inverter is according to pulse signal, and the electric energy conversion stored by described super capacitor is corresponding Ac, exports to described pitch motor.
The invention has the beneficial effects as follows: the present invention, by the efficient combination of the parts such as process control machine, PLC, pitch motor, simple drive circuit, is ensureing to become on the basis of oar control effects, simplifying the structure, reduce cost.Meanwhile, the present invention achieves the radio communication between process control machine and PLC by two GPRS module, thus realizes remote wireless control.
Accompanying drawing explanation
Fig. 1 is the structural representation of variable propeller pitch control of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, variable propeller pitch control of the present invention, comprise process control machine 1, first GPRS module 2, second GPRS module 3, PLC4, power supply 5, pitch motor 6 and drive circuit 7, drive circuit 7 comprises DSP71, rectifier 72, super capacitor 73 and inverter 74, wherein:
Pitch motor 6 is for regulating wind power station blade angle;
Process control machine 1 is connected with the first GPRS module 2, the first GPRS module 2 and the second GPRS module 3 wireless connections, and the second GPRS module 3 is connected with PLC4; Process control machine 1 and PLC4 realize communication by the first GPRS module 2 of wireless connections and the second GPRS module 4;
PLC4, DSP71 are connected successively with inverter 74;
Rectifier 72, super capacitor 73, inverter 74 are connected successively with pitch motor 6;
Power supply 5 connects process control machine 1, first GPRS module 2, second GPRS module 3, PLC4 and DSP71 respectively, for power supply;
In the present invention, process control machine 1 is according to parameters such as wind speed, generator power and rotating speeds, calculate the change oar expected value of blade, and expected value is converted into control command and issues PLC4 by the first GPRS module 2 and the second GPRS module 3, PLC4 exports corresponding pulse signal to inverter 74 according to the control command control DSP71 received, and cut-offs by the inner IGBT of control inverter 74 output voltage and frequency that adjust inverter 74; Rectifier 72 accesses civil power, be translated into direct current, stored in super capacitor 73, the DC conversion that super capacitor 73 stores by inverter 74 is Ac, accept the Pulse Width Control of DSP71 simultaneously, expect according to change oar, be defeated by the supply voltage of pitch motor 6 actual demand, pitch motor 6 regulates blade angle by blade pitch device.
In the present embodiment, the first GPRS module 2 and the second GPRS module 3 select model to be GTM900-C; Described PLC4 selects Omron PLC--CPM1A-V1 series; The model that described DSP71 selects is TMS320F2808.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technological schemes also should belong to category of the present invention, should be limited by each claim.
Claims (2)
1. a variable propeller pitch control, is characterized in that, comprise process control machine, the first GPRS module, the second GPRS module, PLC, power supply, pitch motor and drive circuit, described drive circuit comprises DSP, rectifier, super capacitor and inverter, wherein:
Described process control machine is connected with the first GPRS module;
Described first GPRS module and the second GPRS module wireless connections;
Described second GPRS module, PLC, DSP are connected successively with inverter;
Described rectifier, super capacitor, inverter are connected successively with pitch motor;
Described rectifier access civil power;
Described power supply connects described process control machine, the first GPRS module, the second GPRS module, PLC and DSP respectively.
2. variable propeller pitch control according to claim 1, is characterized in that,
Civil power is converted into direct current by described rectifier, is stored by described super capacitor;
Described process control machine, according to wind speed, generator power and rotating speed, calculates the change oar expected value of blade, and expected value is converted into control command and issues described PLC by the first GPRS module and the second GPRS module;
Described PLC controls described DSP according to the control command received and exports corresponding pulse signal to described inverter;
Described inverter is according to pulse signal, and the electric energy conversion stored by described super capacitor is corresponding Ac, exports to described pitch motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298212.8A CN104295443A (en) | 2013-07-16 | 2013-07-16 | Wind power variable-pitch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298212.8A CN104295443A (en) | 2013-07-16 | 2013-07-16 | Wind power variable-pitch control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295443A true CN104295443A (en) | 2015-01-21 |
Family
ID=52315331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298212.8A Pending CN104295443A (en) | 2013-07-16 | 2013-07-16 | Wind power variable-pitch control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104295443A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131250A (en) * | 2017-12-21 | 2018-06-08 | 重庆华渝重工机电有限公司 | The auxiliary drive and its control method of a kind of pitch-controlled system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900080A (en) * | 2010-07-21 | 2010-12-01 | 上海电气集团股份有限公司 | Fan control system adopting variable-structure PID (Proportion Integration Differentiation) variable-propeller control |
| CN202165214U (en) * | 2011-06-22 | 2012-03-14 | 成都阜特科技有限公司 | Servo driving control system for changing paddles of wind driven generator unit |
| CN102392784A (en) * | 2011-09-22 | 2012-03-28 | 苏州能健电气有限公司 | PLC (programmable logic controller) control system for pitch control systems |
| JP2012229692A (en) * | 2011-04-13 | 2012-11-22 | Thk Co Ltd | Wind turbine azimuth control device, wind turbine power generation device, and wind turbine azimuth control method |
| CN203463227U (en) * | 2013-07-16 | 2014-03-05 | 上海电气集团股份有限公司 | Wind power variable pitch control system |
-
2013
- 2013-07-16 CN CN201310298212.8A patent/CN104295443A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900080A (en) * | 2010-07-21 | 2010-12-01 | 上海电气集团股份有限公司 | Fan control system adopting variable-structure PID (Proportion Integration Differentiation) variable-propeller control |
| JP2012229692A (en) * | 2011-04-13 | 2012-11-22 | Thk Co Ltd | Wind turbine azimuth control device, wind turbine power generation device, and wind turbine azimuth control method |
| CN202165214U (en) * | 2011-06-22 | 2012-03-14 | 成都阜特科技有限公司 | Servo driving control system for changing paddles of wind driven generator unit |
| CN102392784A (en) * | 2011-09-22 | 2012-03-28 | 苏州能健电气有限公司 | PLC (programmable logic controller) control system for pitch control systems |
| CN203463227U (en) * | 2013-07-16 | 2014-03-05 | 上海电气集团股份有限公司 | Wind power variable pitch control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131250A (en) * | 2017-12-21 | 2018-06-08 | 重庆华渝重工机电有限公司 | The auxiliary drive and its control method of a kind of pitch-controlled system |
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Application publication date: 20150121 |