CN202372626U - Portable wind power quality monitor - Google Patents
Portable wind power quality monitor Download PDFInfo
- Publication number
- CN202372626U CN202372626U CN2011205222005U CN201120522200U CN202372626U CN 202372626 U CN202372626 U CN 202372626U CN 2011205222005 U CN2011205222005 U CN 2011205222005U CN 201120522200 U CN201120522200 U CN 201120522200U CN 202372626 U CN202372626 U CN 202372626U
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- wind power
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- quality monitor
- power quality
- electricity generation
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Abstract
The utility model relates to the field of wind power quality and provides a portable wind power quality monitor. The portable wind power quality monitor comprises a voltage sensor and a current sensor, which are used for converting high voltage and high current to be tested in the wind power system into low-voltage and low-current analog signals, a signal conditioner which is used for filtering and biasing the analog signals, an A/D (analog/digital) converter which is used for converting the processed analog signals into digital signals, and a processor which is used for reading the digital signals converted by an A/D conversion module, processing the digital signals through FFT (fast Fourier transform), and transferring the processed data to a touch screen for real-time display. The portable wind power quality monitor can be conveniently carried to the site of a wind power generating set for precise and real-time wind power quality monitoring, has relatively high monitoring precision and relatively high monitoring speed, and can monitor the power quality of the on-site wind power generating set reliably and continuously for a long time, thus providing a guarantee for safe and reliable running of a wind power field.
Description
Technical field
The utility model relates to wind-powered electricity generation quality field, particularly a kind of portable wind-powered electricity generation quality monitor.
Background technology
Wind energy receives the great attention of various countries at present as a kind of regenerative resource of cleaning, and along with the continuous increase of wind-powered electricity generation installed capacity, wind-power electricity generation will can not be ignored the impact that inserts electrical network.The voltage that instability caused, frequency jitter and the electric harmonic of wind speed can cause direct influence to electrical network electric energy quality, so the development research of wind-power electricity generation monitoring device seems more urgent.The wind-powered electricity generation quality monitoring device of present domestic use all is special-purpose monitoring system; Be matched in specific wind generator system, install concentratedly at central control room, versatility is not strong; And cost height, complicated operation, can't move, therefore can't be carried to wind-powered electricity generation unit scene and monitor.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that existing wind-powered electricity generation monitoring system specificity is too strong and can't carry, and a kind of portable wind-powered electricity generation quality monitor is provided.Not only volume is little for this monitor, cost is low, and use is simply portable, can easily be used for the on-site real-time monitoring.
The purpose of the utility model realizes through following technical proposals: a kind of portable wind-powered electricity generation quality monitor; Comprise voltage sensor, current sensor, signal conditioner, processor and touch-screen; Voltage sensor and current sensor are the simulating signal of low-voltage, little electric current with high voltage to be measured in the wind power system with big current conversion respectively; After via signal conditioner this simulating signal being carried out filtering and bias treatment, convert thereof into digital signal then, by processor this digital signal is read in the internal memory again; Call fft algorithm and carry out computing, the data after will handling at last show through touch-screen in real time.
Said processor is externally connected with the SRAM storer.
Said processor is downloaded and is debugged through emulation interface.
Said processor is connected with computing machine through communication interface.
Said processor adopting DSP or ARM.
The utility model compared with prior art has following advantage and beneficial effect:
This portable wind-powered electricity generation monitoring device can be carried to wind-powered electricity generation unit scene easily and carry out accurate, real-time wind-powered electricity generation quality monitoring.Have higher measuring accuracy and measuring speed faster, continuous and reliable is monitored the quality of power supply of on-the-spot unit for a long time, thereby provides safeguard for the safe and reliable operation of wind energy turbine set.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the A phase voltage harmonic wave histogram of the utility model monitor output.
Fig. 3 is the three-phase voltage oscillogram of the utility model monitor output.
Fig. 4 is the three-phase current oscillogram of the utility model monitor output.
Embodiment
Below in conjunction with accompanying drawing and embodiment the enforcement of the utility model is further described, but the enforcement of the utility model is not limited thereto.
As shown in Figure 1; A kind of portable wind-powered electricity generation quality monitor; Comprise voltage sensor, current sensor, signal conditioner, processor and touch-screen, voltage sensor and current sensor are the simulating signal of low-voltage, little electric current with high voltage to be measured in the wind power system with big current conversion respectively, via signal conditioner this simulating signal is carried out filtering and bias treatment after; Convert thereof into digital signal then; By processor this digital signal is read in the internal memory, called fft algorithm and carry out computing, the data after will handling at last show through touch-screen in real time.
Said processor is externally connected with the SRAM storer.
Said processor is downloaded and is debugged through emulation interface.
Said processor is connected with computing machine through communication interface.
Said processor adopting DSP or ARM.
Aspect the hardware selection of processor: that DSP selects for use is high performance 32 fixed DSP TMS320F2812, is based on the fixed-point dsp of TMS320Cxx kernel, and that ARM selects for use is the ARM9 chip S3C2440 of Samsung; Aspect software: DSP has adopted classical fast Fourier algorithm (FFT), the harmonic content of analytical voltage electric current quickly and accurately.ARM adopts the WINCE embedded OS, and the ARM application program uses Visual Studio 2008 developing instruments to adopt C# language to write.
Use lead that the corresponding Wiring port of monitor of the electrical network in the wind power system and the utility model is connected, opening power, monitor can be started working, and is the A phase voltage harmonic wave histogram of the utility model monitor output like Fig. 2; Fig. 3 and Fig. 4 are respectively the three-phase voltage oscillogram and the three-phase current oscillograms of the utility model monitor output.
Claims (5)
1. portable wind-powered electricity generation quality monitor; It is characterized in that said monitor comprises voltage sensor, current sensor, signal conditioner, processor and touch-screen; Voltage sensor and current sensor are the simulating signal of low-voltage, little electric current with high voltage to be measured in the wind power system with big current conversion respectively; After via signal conditioner this simulating signal being carried out filtering and bias treatment, convert thereof into digital signal then, by processor this digital signal is read in the internal memory again; Call fft algorithm and carry out computing, the data after will handling at last show through touch-screen in real time.
2. a kind of portable wind-powered electricity generation quality monitor according to claim 1 is characterized in that said processor is externally connected with the SRAM storer.
3. a kind of portable wind-powered electricity generation quality monitor according to claim 2 is characterized in that said processor downloads and debug through emulation interface.
4. a kind of portable wind-powered electricity generation quality monitor according to claim 3 is characterized in that said processor is connected with computing machine through communication interface.
5. a kind of portable wind-powered electricity generation quality monitor according to claim 4 is characterized in that said processor adopting DSP or ARM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205222005U CN202372626U (en) | 2011-12-14 | 2011-12-14 | Portable wind power quality monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205222005U CN202372626U (en) | 2011-12-14 | 2011-12-14 | Portable wind power quality monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372626U true CN202372626U (en) | 2012-08-08 |
Family
ID=46596323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205222005U Expired - Fee Related CN202372626U (en) | 2011-12-14 | 2011-12-14 | Portable wind power quality monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426338A (en) * | 2011-12-14 | 2012-04-25 | 华南理工大学 | Portable wind power quality monitor |
-
2011
- 2011-12-14 CN CN2011205222005U patent/CN202372626U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426338A (en) * | 2011-12-14 | 2012-04-25 | 华南理工大学 | Portable wind power quality monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20141214 |
|
| EXPY | Termination of patent right or utility model |