CN103066860A - Alternating current driver used for wind electricity alternating current pitch system - Google Patents

Alternating current driver used for wind electricity alternating current pitch system Download PDF

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Publication number
CN103066860A
CN103066860A CN2011103209903A CN201110320990A CN103066860A CN 103066860 A CN103066860 A CN 103066860A CN 2011103209903 A CN2011103209903 A CN 2011103209903A CN 201110320990 A CN201110320990 A CN 201110320990A CN 103066860 A CN103066860 A CN 103066860A
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CN
China
Prior art keywords
circuit
alternating current
pitch
wind power
filter circuit
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
Application number
CN2011103209903A
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Chinese (zh)
Inventor
傅建民
尤林森
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Reenergy Electric Suzhou Co Ltd
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Reenergy Electric Suzhou Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Reenergy Electric Suzhou Co Ltd filed Critical Reenergy Electric Suzhou Co Ltd
Priority to CN2011103209903A priority Critical patent/CN103066860A/en
Publication of CN103066860A publication Critical patent/CN103066860A/en
Pending legal-status Critical Current

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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
    • 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

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  • Control Of Eletrric Generators (AREA)

Abstract

The invention discloses an alternating current driver used for a wind electricity alternating current pitch system. The alternating current driver comprises a rectification circuit, a filter circuit and an inverter circuit. An input end of the rectification circuit is connected with an alternating current network to transmit alternating voltage, an output end of the rectification circuit is connected with an input end of the filter circuit to transmit direct voltage, an output end of the filter circuit is connected with an input end of the inverter circuit to transmit direct voltage, and an output end of the invert circuit is connected with a driving motor to transmit alternating voltage. The alternating current driver used for the wind electricity alternating current pitch system is simple in structure, high in reliability, low in cost, convenient to maintain, superior in performance, and capable of satisfying application demands of the wind electricity alternating current pitch system.

Description

The ac driver that is used for the wind power AC pitch-controlled system
Technical field
The invention belongs to wind power generation field, relate in particular to a kind of ac driver for the wind power AC pitch-controlled system.
Background technology
Along with non-renewable energy resources worldwide face exhausted awkward situation, for satisfying suitability for industrialized production and the human lives is required, people are to the concern of solar energy, wind-force, these regenerative resources of waterpower and utilize day by day and promote.Wherein, wind power generation is a kind of relatively ripe developmental technology of new energy resources that developed, and has and popularizes widely and use.
Variable blade control system is one of core component of wind turbine generator, and its Main Function is the size of regulating wind driven generator output power by changing wind turbine generator blade angle, guarantees that wind-driven generator output is in rated power.Variable pitch driver and change oar motor are the performance elements of variable blade control system, also are one of most crucial parts of pitch-controlled system.At present, the pitch-controlled system of China's wind power generation group adopts dc driver and direct current machine more, and the power density that its ubiquitous problem is direct current machine is little, and high, the troublesome maintenance of cost, commutation brush are that wear-out part need to regularly replace etc.
Summary of the invention
Defective in view of above-mentioned prior art exists the objective of the invention is to propose a kind of ac driver for the wind power AC pitch-controlled system.
Purpose of the present invention will be achieved by the following technical programs:
A kind of ac driver for the wind power AC pitch-controlled system, comprise rectification circuit, filter circuit and inverter circuit, the input of described rectification circuit links to each other with AC network and transmits alternating voltage, the output of described rectification circuit links to each other with the input of filter circuit and transmits direct voltage, the output of described filter circuit links to each other with the input of inverter circuit and transmits direct voltage, and the output of described inverter circuit links to each other with drive motors and transmits alternating voltage.
Preferably, the above-mentioned ac driver that is used for the wind power AC pitch-controlled system, wherein: described rectification circuit is that three-phase diode is not controlled rectifier circuit.
Preferably, the above-mentioned ac driver that is used for the wind power AC pitch-controlled system, wherein: described filter circuit is passive filter circuit.
Preferably, the above-mentioned ac driver that is used for the wind power AC pitch-controlled system, wherein: described inverter circuit is the three-phase inversion bridge circuit.
The invention provides a kind of ac driver for the wind power AC pitch-controlled system, simple in structure, reliability is high, and cost is low, and is easy to maintenance, and function admirable has satisfied the requirement that the wind power AC pitch-controlled system is used.
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present invention is described in further detail, so that technical solution of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the structured flowchart of the embodiment of the invention 1;
Fig. 2 is the circuit diagram of the embodiment of the invention 1.
Embodiment
Embodiment 1
A kind of ac driver for the wind power AC pitch-controlled system of present embodiment, as depicted in figs. 1 and 2, comprise rectification circuit, filter circuit and inverter circuit, rectification circuit is that three-phase diode is not controlled rectifier circuit, filter circuit is passive filter circuit, and inverter circuit is the three-phase inversion bridge circuit, comprises igbt (IGBT) G1～G6.The input of rectification circuit links to each other with AC network and transmits alternating voltage, rectification circuit becomes direct voltage with AC voltage conversion, the output of rectification circuit links to each other with the input of filter circuit and transmits direct voltage, the output of filter circuit links to each other with the input of inverter circuit and transmits direct voltage, inverter circuit becomes alternating voltage to direct voltage, and the output of inverter circuit links to each other with drive motors and transmits alternating voltage.
Present embodiment provides a kind of ac driver for the wind power AC pitch-controlled system, and is simple in structure, and reliability is high, and cost is low, and is easy to maintenance, and function admirable has satisfied the requirement that the wind power AC pitch-controlled system is used.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within protection scope of the present invention.

Claims (4)

1. ac driver that is used for the wind power AC pitch-controlled system, comprise rectification circuit, filter circuit and inverter circuit, it is characterized in that: the input of described rectification circuit links to each other with AC network and transmits alternating voltage, the output of described rectification circuit links to each other with the input of filter circuit and transmits direct voltage, the output of described filter circuit links to each other with the input of inverter circuit and transmits direct voltage, and the output of described inverter circuit links to each other with drive motors and transmits alternating voltage.
2. the ac driver for the wind power AC pitch-controlled system according to claim 1, it is characterized in that: described rectification circuit is that three-phase diode is not controlled rectifier circuit.
3. the ac driver for the wind power AC pitch-controlled system according to claim 1, it is characterized in that: described filter circuit is passive filter circuit.
4. the ac driver for the wind power AC pitch-controlled system according to claim 1, it is characterized in that: described inverter circuit is the three-phase inversion bridge circuit.
CN2011103209903A 2011-10-20 2011-10-20 Alternating current driver used for wind electricity alternating current pitch system Pending CN103066860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103209903A CN103066860A (en) 2011-10-20 2011-10-20 Alternating current driver used for wind electricity alternating current pitch system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103209903A CN103066860A (en) 2011-10-20 2011-10-20 Alternating current driver used for wind electricity alternating current pitch system

Publications (1)

Publication Number Publication Date
CN103066860A true CN103066860A (en) 2013-04-24

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Family Applications (1)

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CN2011103209903A Pending CN103066860A (en) 2011-10-20 2011-10-20 Alternating current driver used for wind electricity alternating current pitch system

Country Status (1)

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CN (1) CN103066860A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377968A (en) * 2013-08-12 2015-02-25 苏州能健电气有限公司 Wind power driving circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101297454A (en) * 2005-10-27 2008-10-29 法国空中客车公司 Mixed device for controlling power transfer between two cores of a direct current network and supplying an alternating current motor
WO2009058357A1 (en) * 2007-11-01 2009-05-07 Mls Electrosystem, Llc System and method for controlling a turbine blade
CN101976955A (en) * 2010-09-27 2011-02-16 上海交通大学 Variable-pitch servo driver with function of energy storage
CN102165666A (en) * 2008-09-24 2011-08-24 梅西耶-布加蒂公司 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101297454A (en) * 2005-10-27 2008-10-29 法国空中客车公司 Mixed device for controlling power transfer between two cores of a direct current network and supplying an alternating current motor
WO2009058357A1 (en) * 2007-11-01 2009-05-07 Mls Electrosystem, Llc System and method for controlling a turbine blade
CN102165666A (en) * 2008-09-24 2011-08-24 梅西耶-布加蒂公司 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
CN101976955A (en) * 2010-09-27 2011-02-16 上海交通大学 Variable-pitch servo driver with function of energy storage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377968A (en) * 2013-08-12 2015-02-25 苏州能健电气有限公司 Wind power driving circuit

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Application publication date: 20130424