CN104377968A - Wind power driving circuit - Google Patents
Wind power driving circuit Download PDFInfo
- Publication number
- CN104377968A CN104377968A CN201310369290.2A CN201310369290A CN104377968A CN 104377968 A CN104377968 A CN 104377968A CN 201310369290 A CN201310369290 A CN 201310369290A CN 104377968 A CN104377968 A CN 104377968A
- Authority
- CN
- China
- Prior art keywords
- circuit
- wind power
- inverter
- rectifying
- alternating
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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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
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a wind power driving circuit. The wind power driving circuit comprises a rectifying circuit, a filtering circuit and an inverter circuit. The input end of the rectifying circuit is connected with an alternating-current power grid to transmit alternating-current voltage, the output end of the rectifying circuit is connected with the input end of the filtering circuit to transmit direct-current voltage, the output end of the filtering circuit is connected with the input end of the inverter circuit to transmit direct-current voltage, and the output end of the inverter circuit is connected with a driving motor to transmit alternating-current voltage. The rectifying circuit is a three-phase diode uncontrolled rectifying bridge circuit. The filtering circuit is a passive filtering circuit. The inverter circuit is a three-phase inverter bridge circuit. The wind power driving circuit is simple in structure, high in reliability, low in cost, convenient to maintain and excellent in performance and meets the application requirement of a wind power alternating-current variable pitch system.
Description
Technical field
The invention belongs to wind power generation field, particularly relate to a kind of wind-powered electricity generation drive circuit.
Background technology
Along with non-renewable energy resources worldwide face exhausted awkward situation, for meeting needed for suitability for industrialized production and human lives, people day by day promote the concern of solar energy, wind-force, these regenerative resources of waterpower and utilization.Wherein, wind power generation is a kind of developmental technology of new energy resources having developed relative maturity, has universal and application widely.
Variable blade control system is one of core component of wind turbine generator, and its Main Function is the size regulating wind driven generator output power by changing wind turbine generator blade angle, ensures that wind-driven generator exports within rated power.Variable pitch driver and pitch motor are the performance elements of variable blade control system, are also one of most crucial parts of pitch-controlled system.At present, pitch-controlled system many employings DC driver of China's wind power generation group and direct current machine, its ubiquitous problem is that the power density of direct current machine is little, and cost is high, troublesome maintenance, and commutation brush is that wear-out part needs periodic replacement etc.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the object of the invention is to propose a kind of wind-powered electricity generation drive circuit.
Object of the present invention will be achieved by the following technical programs:
A kind of wind-powered electricity generation drive circuit, comprise rectification circuit, filter circuit and inverter circuit, the input of described rectification circuit is connected with AC network and transmits alternating voltage, the output of described rectification circuit is connected with the input of filter circuit and transmits direct voltage, the output of described filter circuit is connected with the input of inverter circuit and transmits direct voltage, and the output of described inverter circuit is connected with drive motors and transmits alternating voltage.Wherein: described rectification circuit is three-phase diode uncontrollable rectifier bridge circuit.Described filter circuit is passive filter circuit.Described inverter circuit is three-phase inversion bridge circuit.
The invention provides a kind of wind-powered electricity generation drive circuit, structure is simple, and reliability is high, and cost is low, easy to maintenance, function admirable, meets the requirement of wind power AC pitch-controlled system application.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail the specific embodiment of the present invention, is easier to understand, grasp to make technical solution of the present invention.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the embodiment of the present invention 1.
Embodiment
Embodiment 1: a kind of wind-powered electricity generation drive circuit, as shown in Figure 1, comprise rectification circuit, filter circuit and inverter circuit, rectification circuit is three-phase diode uncontrollable rectifier bridge circuit, filter circuit is passive filter circuit, and inverter circuit is three-phase inversion bridge circuit, comprises igbt (IGBT) G1 ~ G6.The input of rectification circuit is connected with AC network and transmits alternating voltage, alternating voltage is transformed into direct voltage by rectification circuit, the output of rectification circuit is connected with the input of filter circuit and transmits direct voltage, the output of filter circuit is connected with the input of inverter circuit and transmits direct voltage, inverter circuit becomes direct voltage into alternating voltage, and the output of inverter circuit is connected with drive motors and transmits alternating voltage.
Present embodiments provide a kind of wind-powered electricity generation drive circuit, structure is simple, and reliability is high, and cost is low, easy to maintenance, function admirable, meets the requirement of wind power AC pitch-controlled system application.The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection scope of the present invention.
Claims (1)
1. wind-powered electricity generation drive circuit, comprise rectification circuit, filter circuit and inverter circuit, it is characterized in that: the input of described rectification circuit is connected with AC network and transmits alternating voltage, the output of described rectification circuit is connected with the input of filter circuit and transmits direct voltage, the output of described filter circuit is connected with the input of inverter circuit and transmits direct voltage, and the output of described inverter circuit is connected with drive motors and transmits alternating voltage; Described rectification circuit is three-phase diode uncontrollable rectifier bridge circuit; Described filter circuit is passive filter circuit; Described inverter circuit is three-phase inversion bridge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369290.2A CN104377968A (en) | 2013-08-12 | 2013-08-12 | Wind power driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369290.2A CN104377968A (en) | 2013-08-12 | 2013-08-12 | Wind power driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104377968A true CN104377968A (en) | 2015-02-25 |
Family
ID=52556682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310369290.2A Pending CN104377968A (en) | 2013-08-12 | 2013-08-12 | Wind power driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377968A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016050047A1 (en) * | 2014-09-30 | 2016-04-07 | 海信科龙电器股份有限公司 | Single-phase variable-frequency air conditioner control method and controller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005218150A (en) * | 2004-01-27 | 2005-08-11 | Matsushita Electric Ind Co Ltd | Power conversion device |
| CN201426060Y (en) * | 2009-06-05 | 2010-03-17 | 苏州能健电气有限公司 | Variable frequency AC motor for blade variation of wind-driven generator and driving system thereof |
| CN101860311A (en) * | 2010-06-07 | 2010-10-13 | 苏州能健电气有限公司 | Drive device of series DC machine for pitch control system |
| CN202218168U (en) * | 2011-10-20 | 2012-05-09 | 苏州能健电气有限公司 | Alternating current (AC) driver |
| CN103066860A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current driver used for wind electricity alternating current pitch system |
| 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 |
-
2013
- 2013-08-12 CN CN201310369290.2A patent/CN104377968A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005218150A (en) * | 2004-01-27 | 2005-08-11 | Matsushita Electric Ind Co Ltd | Power conversion device |
| CN201426060Y (en) * | 2009-06-05 | 2010-03-17 | 苏州能健电气有限公司 | Variable frequency AC motor for blade variation of wind-driven generator and driving system thereof |
| CN101860311A (en) * | 2010-06-07 | 2010-10-13 | 苏州能健电气有限公司 | Drive device of series DC machine for pitch control system |
| CN202218168U (en) * | 2011-10-20 | 2012-05-09 | 苏州能健电气有限公司 | Alternating current (AC) driver |
| CN103066860A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current driver used for wind electricity alternating current pitch system |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016050047A1 (en) * | 2014-09-30 | 2016-04-07 | 海信科龙电器股份有限公司 | Single-phase variable-frequency air conditioner control method and controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |