CN202840526U - DSP-and-ARM-based reactive power compensation device of wireless GPRS wind power grid - Google Patents
DSP-and-ARM-based reactive power compensation device of wireless GPRS wind power grid Download PDFInfo
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- CN202840526U CN202840526U CN201220469006XU CN201220469006U CN202840526U CN 202840526 U CN202840526 U CN 202840526U CN 201220469006X U CN201220469006X U CN 201220469006XU CN 201220469006 U CN201220469006 U CN 201220469006U CN 202840526 U CN202840526 U CN 202840526U
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- dsp
- reactive power
- arm
- processor
- wind
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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 provides a DSP-and-ARM-based reactive power compensation device of a wireless GPRS wind power grid. The reactive power compensation device comprises a mutual inductor, a signal conditioning unit, a phase-locked loop, an A/D converter, a DSP processor, a dual-port RAM, an ARM processor, a human-machine interface, a memory, an SD memory and a GPRS module, wherein the mutual inductor, the signal conditioning unit, the A/S converter and the DSP processor are sequentially connected; the phase-locked loop is connected between the signal conditioning unit and the DSP processor; the dual-port RAM is connected with the DSP processor and the ARM processor; the DSP processor is connected with a thyristor driving unit; the thyristor driving unit is connected with a reactive power compensation unit; and the ARM processor is connected with the human-machine interface, the memory, the SD memory and the GPRS module. The DSP-and-ARM-based reactive power compensation device of the wireless GPRS wind power grid serves as a reactive power compensator for a wind power grid.
Description
Technical field
The utility model relates to electronic technology field, and a kind of reactive power compensator of the wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM is provided.
Background technology
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 reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM that power grid quality is detected.
The utility model is for achieving the above object by the following technical solutions:
A kind of reactive power compensator of the wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM, it is characterized in that comprising: instrument transformer, the signal condition unit, phase-locked loop, A/D converter, dsp processor, dual port RAM, arm processor, man-machine interface, memory, the SD memory, the GPRS module, described instrument transformer, the signal condition unit, A/D converter, dsp processor is linked in sequence, described phase-locked loop is connected between signal condition unit and dsp processor, described dual port RAM connects dsp processor and arm processor, described dsp processor is connected with the thyristor driver unit, described thyristor driver unit is connected with the reactive power compensation unit, and described arm processor connects man-machine interface, memory, the SD memory, the GPRS module.
Described instrument transformer comprises the voltage transformer summation current transformer,Described voltage transformer adopts the SPT204V model, and current transformer adopts the SCT254FK model.
Described A/D converter adopts chip ADS7864.
Described dsp processor adopts chip TMS320C54X.
Described arm processor adopts chip S3C2410.
Described GPRS module adopts the MC35i model.
Described dual port RAM adopts chip Y7C025AV-15AI.
The utlity model has following beneficial effect:
Two cpu models that the utility model forms by dsp processor and arm processor are detection of grid harmonic information and power information accurately, and control reactive power compensation unit drops into electrical network, electrical network is carried out reactive power compensation, and two cpu models, the processing speed piece, control precision is high, and the utlity model has the GPRS radio communication function, can learn the real time data of each monitoring point whenever and wherever possible, and can accomplish to be made amendment in any monitoring point at any time to arrange and special detection by remote control technology, time checks the electric energy quality detection device recorded data and carries out careful deep analysis at host computer anywhere, if there is unusual electric power event generation electric energy quality detection device Anywhere to carry out alarm with the fastest speed, and can check out device number and the equipment location that goes wrong on computers by firsthand information, so that the staff carries out troubleshooting timely, improve the stability of whole electrical network.
Description of drawings
Fig. 1 is system block diagram of the present utility model.
Embodiment
A kind of reactive power compensator of the wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM is characterized in that comprising:
Instrument transformer: comprise the voltage transformer summation current transformer, be used for finishing the forceful electric power signal to the conversion of weak electric signal;
Signal condition unit: comprise for the biasing circuit module in the sampled voltage scope that bipolar signal is transformed to A/D and be used for the frequency overlapped-resistable filter of elimination high fdrequency component;
Phase-locked loop: finish two automatic controls that signal phase is synchronous;
A/D converter: analog signal is converted into digital signal;
Dsp processor: digital signal is processed, controlled the operation of whole electric energy quality monitor, and to thyristor driver unit output control pulse;
Thyristor driver unit: be used for driving the reactive power compensation unit.
Reactive power compensation unit: think that electrical network drops into electric capacity and inductance, reaches the purpose of reactive power compensation.
Dual port RAM: the data storage that dsp processor and arm processor are shared, when dsp processor and the shared DRAM of arm processor, this memory can be realized the level conversion between 3.3V and 5V voltage;
Arm processor: the data that collect are communicated transmission and storage;
Man-machine interface: comprise being used for arranging the Keysheet module of operating state for the display module that shows job information;
Memory: comprise the FLASH of the storage that then is used for the DSP processor program and solve dsp processor at the SDRAM of the inadequate problem of computational process internal RAM;
SD memory: the signal that storage of collected arrives and corresponding result of calculation;
GPRS module: be used for carrying out data communication by GPRS wireless network and control centre;
Described voltage transformer module summation current transformer module becomes line voltage to give the biasing circuit module after the light current analog signal and the simulated dual polar signal that collects is transformed in the sampled voltage scope of A/D converter with current conversion, then give A/D converter after giving frequency overlapped-resistable filter elimination high fdrequency component, phase-locked loop triggers A/D converter simultaneously, realize that A/D converter is to the synchronized sampling of voltage and current, A/D converter is to give dsp processor after the digital signal with analog signal conversion, dsp processor reads the result of conversion, and take quality of power supply performance index as the basis, finish voltage, electric current, the corresponding data operation such as power, then think thyristor driver unit output driving pulse according to operating structure, driving is made to the switching device of reactive power compensation unit in the thyristor driver unit, electric capacity and the inductance of control reactive power compensation drop into electrical network, ARM sends order to dsp processor, data and operation result that the dsp processor loopback is measured, arm processor carries out this locality storage or passes to host computer by GPRS according to the program of prior setting again, and realizes local the demonstration by the operation of Keysheet module and the cooperation of display module;
Described mutual inductance module is connected with the signal condition unit, the signal condition unit is connected with phase-locked loop with A/D converter, dsp processor is connected with A/D converter, phase-locked loop and dual port RAM, and arm processor is connected with man-machine interface with dual port RAM, SD memory, GPRS module.
Described voltage transformer adopts the SPT204V model, and current transformer adopts the SCT254FK model.
Described A/D converter adopts the ADS7864 chip.
Described dsp processor adopts the TMS320C54X chip.
Described arm processor adopts the S3C2410 chip.
Described GPRS module adopts the MC35i model.
Described dual port RAM adopts the Y7C025AV-15AI chip.
Claims (7)
1. reactive power compensator based on the wireless GPRS wind-powered electricity generation electrical network of DSP and ARM, it is characterized in that: comprise instrument transformer, the signal condition unit, phase-locked loop, A/D converter, dsp processor, dual port RAM, arm processor, man-machine interface, memory, the SD memory, the GPRS module, described instrument transformer, the signal condition unit, A/D converter, dsp processor is linked in sequence, described phase-locked loop is connected between signal condition unit and dsp processor, described dual port RAM connects dsp processor and arm processor, described dsp processor is connected with the thyristor driver unit, described thyristor driver unit is connected with the reactive power compensation unit, and described arm processor connects man-machine interface, memory, the SD memory, the GPRS module.
2. the reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM according to claim 1, it is characterized in that: described instrument transformer comprises the voltage transformer summation current transformer, described voltage transformer adopts the SPT204V model, and current transformer adopts the SCT254FK model.
3. the reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM according to claim 1, it is characterized in that: described A/D converter adopts chip ADS7864.
4. the reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM according to claim 1, it is characterized in that: described dsp processor adopts chip TMS320C54X.
5. the reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM according to claim 1, it is characterized in that: described arm processor adopts chip S3C2410.
6. the reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM according to claim 1, it is characterized in that: described GPRS module adopts the MC35i model.
7. the reactive power compensator of a kind of wireless GPRS wind-powered electricity generation electrical network based on DSP and ARM according to claim 1, it is characterized in that: described dual port RAM adopts chip Y7C025AV-15AI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220469006XU CN202840526U (en) | 2012-09-14 | 2012-09-14 | DSP-and-ARM-based reactive power compensation device of wireless GPRS wind power grid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220469006XU CN202840526U (en) | 2012-09-14 | 2012-09-14 | DSP-and-ARM-based reactive power compensation device of wireless GPRS wind power grid |
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| Publication Number | Publication Date |
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| CN202840526U true CN202840526U (en) | 2013-03-27 |
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| CN201220469006XU Expired - Fee Related CN202840526U (en) | 2012-09-14 | 2012-09-14 | DSP-and-ARM-based reactive power compensation device of wireless GPRS wind power grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374482A (en) * | 2015-07-24 | 2017-02-01 | 利思电气（上海）有限公司 | Outdoor power active filtering device with capacitor switching control function |
-
2012
- 2012-09-14 CN CN201220469006XU patent/CN202840526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374482A (en) * | 2015-07-24 | 2017-02-01 | 利思电气（上海）有限公司 | Outdoor power active filtering device with capacitor switching control function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |