CN202228275U - Wind power AC pitch control system - Google Patents
Wind power AC pitch control system Download PDFInfo
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- CN202228275U CN202228275U CN2011204021066U CN201120402106U CN202228275U CN 202228275 U CN202228275 U CN 202228275U CN 2011204021066 U CN2011204021066 U CN 2011204021066U CN 201120402106 U CN201120402106 U CN 201120402106U CN 202228275 U CN202228275 U CN 202228275U
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- 230000005611 electricity Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 description 4
- 239000008358 core component Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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
The utility model discloses a wind power AC pitch control system, which includes a PLC (programmable logic controller) and an AC driver, wherein an analog quantity output module and a digital quantity input module are integrated on the PLC; a speed given input terminal and a state signal output terminal are arranged on the AC driver; the analog quantity output module is connected with the speed given input terminal to transmit a speed given curve; the state signal output terminal is connected with the digital quantity input module through a first relay to transmit a feedback state signal; and the first relay is connected with a 24V common power source. The wind power AC pitch control system provided by the utility model has simple structure and excellent performance, and is highly reliable, low in cost, and convenient for use, and the application requirements of the wind power AC pitch control system can be met.
Description
Technical field
The utility model belongs to wind power generation field, relates in particular to a kind of wind-powered electricity generation and exchanges variable blade control system.
Background technique
Along with non-renewable energy resources worldwide face exhausted awkward situation, for satisfying industrialized production with the human lives is required, people are to the concern of solar energy, wind-force, these renewable energy sourcess of waterpower and utilize lifting day by day.Wherein, wind-power electricity generation receives the extensive attention of various countries as a kind of developmental technology of new energy resources of maturation relatively that developed.Variable blade control system is one of core component of wind power generating set; Its major function is the angle of coming regulator generator group blade according to the size of wind-force; Change the angle of attack of air-flow to blade; The output power of wind-driven generator can be automatically adjusted according to the size of wind speed, guarantee that the delivery efficiency of wind-driven generator is the highest, and output is in rated power.What at present, the driver element of the pitch-controlled system of China's wind-power electricity generation group adopted is dc driver and direct current generator.The ubiquitous problem of direct current pitch-controlled system is that the specific power of direct current generator is little, cost height, troublesome maintenance etc.Current, wind power generating set per kilowatt cost continues to reduce, and falls over a large area cost at wind power plant, improves under the overall situation of cost performance, and the above-mentioned shortcoming of direct current pitch-controlled system is also just more outstanding.The driver element that exchanges pitch-controlled system adopts AC motor and ac driver.Ac motor structure is simple, reliability and durability, cost are low, easy to maintenance, has just in time overcome the above-mentioned shortcoming of direct current generator.Wind power pitch-controlled system generally all comprises a main control unit and three performance elements.The core component of main control unit is PLC and module groups thereof, and PLC is the brain and the command center of whole pitch-controlled system.The core component of three performance elements is variable pitch drivers, the direct current pitch-controlled system with exchange pitch-controlled system, variable pitch driver adopts dc driver and ac driver respectively.
The model utility content
In view of the defective that above-mentioned existing technology exists, the purpose of the utility model is to propose a kind of simply constructed wind-powered electricity generation to exchange variable blade control system.
The purpose of the utility model will be achieved through following technological scheme:
A kind of wind-powered electricity generation exchanges variable blade control system, comprises PLC controller and ac driver, is integrated with analog output module and digital quantity input module on the said PLC controller; Said ac driver is provided with velocity setting input end and state signal output terminal; Said analog output module is connected the transmission speed given curve with said velocity setting input end; Be connected transmission feedback states signal through first relay between said state signal output terminal and the said digital quantity input module, said first relay is connected with a 24V common source.
Preferably, above-mentioned wind-powered electricity generation exchanges variable blade control system, wherein: also be integrated with the first digital quantity output module and the second digital quantity output module on the said PLC controller; Said ac driver is provided with reset signal input end and operation enable signal input end; Be connected the transmission reset signal through second relay between the said first digital quantity output module and the said reset signal input end; Be connected transmission operation enable signal through the 3rd relay between the said second digital quantity output module and the said operation enable signal input end, said second relay is connected with said 24V common source respectively with the 3rd relay.
The utility model provides a kind of wind-powered electricity generation to exchange variable blade control system, and is simple in structure, and reliability is high, and cost is low, and is easy to maintenance, and function admirable has satisfied wind-powered electricity generation and exchanged the requirement that pitch-controlled system is used.
Description of drawings
Fig. 1 is the circuit diagram of the utility model.
Embodiment
A kind of wind-powered electricity generation of present embodiment exchanges variable blade control system, and is as shown in Figure 1, comprises PLC controller and ac driver, is integrated with analog output module 1 and digital quantity input module 3 on the PLC controller; Ac driver is provided with velocity setting input end 2 and state signal output terminal 4; Analog output module 1 is connected the transmission speed given curve with velocity setting input end 2, is connected transmission feedback states signal through the first relay K M1 between state signal output terminal 4 and the digital quantity input module 3, and the first relay K M1 is connected with the 24V common source.Also be integrated with the first digital quantity output module 5 and the second digital quantity output module 7 on the PLC controller; Ac driver is provided with reset signal input end 6 and operation enable signal input end 8; Be connected the transmission reset signal through the second relay K M2 between the first digital quantity output module 5 and the reset signal input end 6; Is connected to transmit through the 3rd relay K M3 between the second digital quantity output module 7 and the operation enable signal input end 8 and moves enable signal, the second relay K M2 is connected with the 24V common source respectively with the 3rd relay K M3.
The working procedure that the wind-powered electricity generation of present embodiment exchanges variable blade control system is: PLC cooks up the speed given curve that becomes the oar motor according to the physical location and the target location of blade; Speed given curve sends to the velocity setting input end 2 of ac driver from analog output module 1 through the analog amount form; The speed given curve that ac driver is sent according to PLC drives and becomes oar motor speed operation with closed ring, makes blade arrive the target location fast.
Present embodiment provides a kind of wind-powered electricity generation to exchange variable blade control system, and is simple in structure, and reliability is high, and cost is low, and is easy to maintenance, and function admirable has satisfied wind-powered electricity generation and exchanged the requirement that pitch-controlled system is used.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming all drop within the protection domain of the utility model.
Claims (2)
1. a wind-powered electricity generation exchanges variable blade control system, comprises PLC controller and ac driver, it is characterized in that: be integrated with analog output module and digital quantity input module on the said PLC controller; Said ac driver is provided with velocity setting input end and state signal output terminal; Said analog output module is connected the transmission speed given curve with said velocity setting input end; Be connected transmission feedback states signal through first relay between said state signal output terminal and the said digital quantity input module, said first relay is connected with a 24V common source.
2. wind-powered electricity generation according to claim 1 exchanges variable blade control system, it is characterized in that: also be integrated with the first digital quantity output module and the second digital quantity output module on the said PLC controller; Said ac driver is provided with reset signal input end and operation enable signal input end; Be connected the transmission reset signal through second relay between the said first digital quantity output module and the said reset signal input end; Be connected transmission operation enable signal through the 3rd relay between the said second digital quantity output module and the said operation enable signal input end, said second relay is connected with said 24V common source respectively with the 3rd relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204021066U CN202228275U (en) | 2011-10-20 | 2011-10-20 | Wind power AC pitch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204021066U CN202228275U (en) | 2011-10-20 | 2011-10-20 | Wind power AC pitch control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228275U true CN202228275U (en) | 2012-05-23 |
Family
ID=46078862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204021066U Expired - Lifetime CN202228275U (en) | 2011-10-20 | 2011-10-20 | Wind power AC pitch control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061975A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current pitch control system of wind generating set |
| CN106762411A (en) * | 2016-12-24 | 2017-05-31 | 大连尚能科技发展有限公司 | A kind of low pressure pitch-controlled system of the change oar servo-driver containing integrating PLC function |
-
2011
- 2011-10-20 CN CN2011204021066U patent/CN202228275U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061975A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current pitch control system of wind generating set |
| CN106762411A (en) * | 2016-12-24 | 2017-05-31 | 大连尚能科技发展有限公司 | A kind of low pressure pitch-controlled system of the change oar servo-driver containing integrating PLC function |
| CN106762411B (en) * | 2016-12-24 | 2019-03-08 | 大连尚能科技发展有限公司 | A kind of low pressure pitch-controlled system of the variable pitch servo-driver containing integrating PLC function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Qian Xiaoli Document name: Notice of expiration and termination of patent right |
|
| DD01 | Delivery of document by public notice |