CN202840525U - FPGA-and-DSP-based reactive power compensation device of wind power generation network - Google Patents
FPGA-and-DSP-based reactive power compensation device of wind power generation network Download PDFInfo
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- CN202840525U CN202840525U CN201220467986XU CN201220467986U CN202840525U CN 202840525 U CN202840525 U CN 202840525U CN 201220467986X U CN201220467986X U CN 201220467986XU CN 201220467986 U CN201220467986 U CN 201220467986U CN 202840525 U CN202840525 U CN 202840525U
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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
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model relates to the technical field of wind power equipment, provides an FPGA-and-DSP-based reactive power compensation device of a wind power generation network, and aims at providing a reactive power compensation device which can continuously monitor electric energy quality of a wind power access terminal for a long term and performs reactive power compensation. The reactive power compensation comprises a mutual inductor unit, a signal conditioning unit, an A/D converter, an FPGA processor, a DSP processor for performing real-time analysis processing of sampling data and performing calculation of every electric energy quality indexes, a thyristor driving unit used for driving a reactive power compensation unit and the reactive power compensation unit. The mutual inductor unit, the signal conditioning unit, the A/D converter, the FPGA processor and the DSP processor are sequentially connected. The FPGA processor is connected with the CAN-bus controller, and provides sequential logic control for the CAN-bus controller. The DSP processor is connected with the thyristor driving unit, and the thyristor driving unit is connected with the reactive power compensation unit.
Description
Technical field
The utility model relates to technical field of wind power generation, and a kind of reactive power compensator of the wind power generation net based on FPGA and DSP is provided.
Background technology
Along with energy crisis becomes increasingly conspicuous, the development and use new forms of energy have become the focus of whole world research, and wind power generation more and more receives people's concern as a kind of important regenerative resource form.Along with the progress of manufacturing technology, modern control technology, power electronic technology and computer technology, wind generating technology develops rapidly with the speed above 30%, and wind energy becomes a kind of cleaning, regenerative resource with fastest developing speed in the world wide.But, the operation characteristic of the uncertainty of wind-resources and wind-powered electricity generation unit itself fluctuates the power output of wind-powered electricity generation unit, may affect the quality of power supply of electrical network, such as voltage deviation, voltage fluctuation and flickering, harmonic wave etc., can the security and stability of light current electrical network be worked the mischief when serious, therefore, wind power plant can not be ignored the impact of access electrical network.
One of distinguishing feature of wind power generation is its fluctuation and indirect, power quality problem when directly having caused wind farm grid-connected operation, these problems comprise: wind turbine generator drops into, caused voltage cataclysm out of service, the caused power of fluctuations in wind speed and voltage fluctuation, the caused voltage flicker of turbulent flow and tower shadow effect, the harmonic wave that the power electronics interface produces and wind energy turbine set are from system's absorbing reactive power etc.Voltage flicker can cause the wind-driven generator tripping operation, and then produces larger voltage fluctuation.When wind energy turbine set and fragile electrical network linked, voltage flicker and voltage fluctuation meeting brought very large trouble to operation of power networks.The be incorporated into the power networks power electronic equipment of usefulness of wind-driven generator, being in operation to produce corresponding harmonic wave, inject electrical network after, can make power transmission and transforming equipment produce supplementary load loss, reduction capacity, also can cause resonance when serious, damage electric equipment.Yet the power quality problem of wind farm grid-connected operation can be solved by the wind energy turbine set reactive power compensation to some extent.
Summary of the invention
The purpose of this utility model is to provide a kind of can carry out for a long time the quality of power supply of wind-powered electricity generation incoming end, continuously monitoring, the reactive power compensator of a kind of wind power generation net based on FPGA and DSP that in time carries out reactive power compensation.
The utility model is to achieve these goals by the following technical solutions:
A kind of reactive power compensator of the wind power generation net based on FPGA and DSP, it is characterized in that: comprise for the mutual inductor unit that gathers AC analogue voltage signal and current signal, the high frequency signal conditioning unit that is used for the elimination signal, A/D converter, be used to system that the FPGA processor of sequential logic control is provided, become the real-time analysis processing of sampled data and carry out each power quality index calculating dsp processor, be used for driving the thyristor driver unit of reactive power compensation unit, the reactive power compensation unit, the CAN bus and the host computer that are used for the transmission of communication, described mutual inductor unit, the signal condition unit, A/D converter, the FPGA processor, dsp processor is linked in sequence, described FPGA processor is connected with the CAN bus control unit, for it provides sequential logic control, described dsp processor connects the thyristor driver unit and provides driving pulse for it, described thyristor driver unit and reactive power compensation unit downlink connection, control reactive power compensation unit drops into electrical network.
Further, described dsp processor also is connected with the CAN bus control unit, and the CAN bus control unit is connected with host computer, and described CAN bus control unit is connected with the FPGA processor, and described FPGA processor provides the logic control sequential for it.
Further, described mutual inductor unit comprises the voltage transformer summation current transformer, and described voltage transformer adopts the SPT204V model, and current transformer adopts the SCT254FK model.
Further, described A/D converter adopts the ADS7864 chip.
Further, described FPGA processor adopting T2C35-V3 chip.
Further, described arm processor adopts the TMS320F28335 chip.
The utlity model has following beneficial effect:
The utility model adopts high speed digital signal processor DSP and CPLD FPGA to realize that sampling and data analysis carry out synchronously, when being monitored, power grid quality in time carries out reactive power compensation according to electrical network parameter, real-time, high speed and the successional requirement of electric energy quality monitoring had both been satisfied, even can compensate electrical network again, improved the electrical network quality of power supply, and adopt CAN bus communication mode to communicate by letter with distant place control centre, make the data result of analysis can pass to fast and reliable host computer.
Description of drawings
Fig. 1 is the utility model system principle block diagram.
Embodiment
The mode configuration of the utility model " DSP+FPGA ".The data sampling chip is 16 modulus conversion chip ADS7864.Through wind energy turbine set three-phase voltage current signal and the wind speed and direction signal behind current transformer and the voltage transformer, carry out synchronized sampling, maintenance, A/D by analog-digital chip ADS7864 and convert digital signal to, be sent to DSP and carry out classified calculating and data processing, then be sent to host computer by the CAN communication interface, carry out the analysis management of data.FPGA adopts the main logic control that realizes whole system, control A/D sampling and chip decoding.
A kind of reactive power compensator of the wind power generation net based on FPGA and DSP, it is characterized in that: comprise for the mutual inductor unit that gathers AC analogue voltage signal and current signal, the high frequency signal conditioning unit that is used for the elimination signal, A/D converter, be used to system that the FPGA processor of sequential logic control is provided, become the real-time analysis processing of sampled data and carry out each power quality index calculating dsp processor, be used for driving the thyristor driver unit of reactive power compensation unit, the reactive power compensation unit, the CAN bus and the host computer that are used for the transmission of communication, described mutual inductor unit, the signal condition unit, A/D converter, the FPGA processor, dsp processor is linked in sequence, described FPGA processor is connected with the CAN bus control unit, for it provides sequential logic control, described dsp processor connects the thyristor driver unit and provides driving pulse for it, described thyristor driver unit and reactive power compensation unit downlink connection, control reactive power compensation unit drops into electrical network.Described dsp processor also is connected with the CAN bus control unit, and the CAN bus control unit is connected with host computer, and described CAN bus control unit is connected with the FPGA processor, and described FPGA processor provides the logic control sequential for it.Described mutual inductor unit comprises the voltage transformer summation current transformer, and described voltage transformer adopts the SPT204V model, and current transformer adopts the SCT254FK model.Described A/D converter adopts the ADS7864 chip.Described FPGA processor adopting T2C35-V3 chip.Described arm processor adopts the TMS320F28335 chip.Dsp processor is finished the real-time analysis of sampled data and is processed, and carries out each power quality index and calculates, and result of calculation is sent to host computer, and FPGA adopts the main logic control that realizes whole system, control A/D sampling and chip decoding.
Claims (6)
1. reactive power compensator based on the wind power generation net of FPGA and DSP, it is characterized in that: comprise for the mutual inductor unit that gathers AC analogue voltage signal and current signal, the high frequency signal conditioning unit that is used for the elimination signal, A/D converter, be used to system that the FPGA processor of sequential logic control is provided, become the real-time analysis processing of sampled data and carry out each power quality index calculating dsp processor, be used for driving the thyristor driver unit of reactive power compensation unit, the reactive power compensation unit, described mutual inductor unit, the signal condition unit, A/D converter, the FPGA processor, dsp processor is linked in sequence, described FPGA processor is connected with the CAN bus control unit, for it provides sequential logic control, described dsp processor connects the thyristor driver unit and provides driving pulse for it, described thyristor driver unit and reactive power compensation unit downlink connection, control reactive power compensation unit drops into electrical network.
2. the reactive power compensator of a kind of wind power generation net based on FPGA and DSP according to claim 1, it is characterized in that: described dsp processor also is connected with the CAN bus control unit, the CAN bus control unit is connected with host computer, described CAN bus control unit is connected with the FPGA processor, and described FPGA processor provides the logic control sequential for it.
3. the reactive power compensator of a kind of wind power generation net based on FPGA and DSP according to claim 1, it is characterized in that: described mutual inductor unit comprises the voltage transformer summation current transformer, described voltage transformer adopts the SPT204V model, and current transformer adopts the SCT254FK model.
4. the reactive power compensator of a kind of wind power generation net based on FPGA and DSP according to claim 1, it is characterized in that: described A/D converter adopts chip ADS7864.
5. the reactive power compensator of a kind of wind power generation net based on FPGA and DSP according to claim 1 is characterized in that: described FPGA processor adopting chip T2C35-V3.
6.5, the reactive power compensator of a kind of wind power generation net based on FPGA and DSP according to claim 1, it is characterized in that: described arm processor adopts chip TMS320F28335.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220467986XU CN202840525U (en) | 2012-09-14 | 2012-09-14 | FPGA-and-DSP-based reactive power compensation device of wind power generation network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220467986XU CN202840525U (en) | 2012-09-14 | 2012-09-14 | FPGA-and-DSP-based reactive power compensation device of wind power generation network |
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| CN202840525U true CN202840525U (en) | 2013-03-27 |
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| CN201220467986XU Expired - Fee Related CN202840525U (en) | 2012-09-14 | 2012-09-14 | FPGA-and-DSP-based reactive power compensation device of wind power generation network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103899A (en) * | 2018-09-13 | 2018-12-28 | 江苏科技大学 | A kind of grid-connected wind generator system reactive power compensator in sea and its control method |
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2012
- 2012-09-14 CN CN201220467986XU patent/CN202840525U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103899A (en) * | 2018-09-13 | 2018-12-28 | 江苏科技大学 | A kind of grid-connected wind generator system reactive power compensator in sea and its control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130914 |