CN103018670A - Wind generating set grid-connected performance test system and method based on industrial personal computer - Google Patents
Wind generating set grid-connected performance test system and method based on industrial personal computer Download PDFInfo
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- CN103018670A CN103018670A CN201210512002XA CN201210512002A CN103018670A CN 103018670 A CN103018670 A CN 103018670A CN 201210512002X A CN201210512002X A CN 201210512002XA CN 201210512002 A CN201210512002 A CN 201210512002A CN 103018670 A CN103018670 A CN 103018670A
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Abstract
The invention belongs to the technical field of new energy grid-connected detection system design and application and particularly relates to a wind generating set grid-connected performance test system and method based on an industrial personal computer. The wind generating set grid-connected performance test system comprises an external environment measurement auxiliary device, the industrial personal computer and a data collector. A data output port output line of the external environment measurement auxiliary device is connected to a data input port of the data collector, and an output port of the data collector is connected with a data conversion port of the industrial personal computer. The wind generating set grid-connected performance test system has the advantages of being simple to operate, flexible, convenient and strong in processing capability and enabling graphic output to be achieved and the like. Measurement and control of a wind power plant are simplified, the investment is small, the investment amount is reduced, the measurement cycle is shortened, controllability and convenience of the test system are improved, and the test system has double advantages of practicality and economy.
Description
Technical field
The invention belongs to new-energy grid-connected detection system design and application technical field, relate in particular to a kind of wind-powered electricity generation set grid-connection Performance Test System and method based on industrial computer, be a kind of industrial computer of comprehensive several functions and the pick-up unit that data transformation interface forms, be applicable to the set grid-connection performance test analysis in the large-scale wind electricity unit equipment industrialization process.
Background technology
Present present situation is some wind-powered electricity generation unit manufacturers because technological accumulation is not enough, renders to part wind-powered electricity generation unit in the market with quality problems, and giving is incorporated into the power networks has brought serious hidden danger.Electric system is strict to the requirement of the quality of power supply, and inevitable requirement power supply runnability reaches corresponding standard, and wind-powered electricity generation is a kind of undulatory property, intermittent power supply still more.If wind-powered electricity generation does not satisfy electric system to the quality requirements of electric energy, will bring very large safety problem to electric system.State Grid Corporation of China is to the constraint type of wind-powered electricity generation unit operator with a kind of standard, the test request of clear and definite unit, thus guarantee that the wind power equipment of rendering in the electric system has high-performance and high-quality; Yet, China's wind-powered electricity generation industry Professional Certification, mechanism for testing are very few, authentication techniques are also taked the technology path of external introduction, innovation, the available stock side of testing apparatus is phoenix feathers and unicorn horns especially, majority is external import, the domestic present situation that repeats to use, and expensive, and research and development and the localization of the testing apparatus that therefore is incorporated into the power networks are imperative.
The domestic enterprise that possesses at present draught fan performance test authentication qualification only has Beijing mirror weighing apparatus authentication center, CCS; The key lab of some countries such as China Power academy of sciences and North China Electric Power University, province, city-level concerned power etc. can also carry out electric energy quality test; For noise testing, Zhengzhou Research Institute of Mechanical Engineering can carry out the noise monitoring of kinematic train; For the environment noise monitoring of unit, undertaken by relevant quality testing, authenticated unit; For load test, Beijing mirror weighing apparatus authentication center is by introducing, absorb, using at present.
From present domestic development situation, powertrace test, electric energy quality test all belong to the scope of business of power department or mechanism, and existing testing apparatus can transformation and upgrade, thereby satisfy the function needs; Noise testing can be divided into acoustic measurement and non-acoustic measurement equipment, need to carry out specialization at original universal industrial noise-measuring instrument and process, can be adaptive; Load test equipment is the blower fan special test equipment, needs special research and development.Therefore the research and development of testing apparatus become the special urgent task of China state inner blower industry common service platform.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of wind-powered electricity generation set grid-connection Performance Test System and method based on industrial computer is provided.Purpose is investment amount and the measuring period of effectively reducing wind-powered electricity generation set grid-connection performance test apparatus; By the combination of different sensors data-switching, improve test macro controllability, convenience.
The technical solution adopted for the present invention to solve the technical problems is:
Based on the wind-powered electricity generation set grid-connection Performance Test System of industrial computer, comprise that external environment measurement utility appliance, industrial computer and three parts of data acquisition unit consist of; The data-out port output line of external environment measurement data utility appliance is connected to the data-in port of data acquisition unit, and the data acquisition unit output port connects the industrial computer data transformation interface.
Described external environment measurement data utility appliance comprises anemometer tower, wind detection sensor, anemoscope, voltage sensor, current sensor, meteorological sensor; Wind detection sensor, anemoscope, meteorological sensor are installed on the anemometer tower; Described meteorological sensor comprises: comprise baroceptor, humidity sensor and wind indicator sensor.
Powertrace and power quality data processing capacity visual software are equipped with in described industrial computer inside.
The virtual instrument of LabVIEW of NI company and the Matlab software of Mathworks company are housed in the described industrial computer.
Described data acquisition unit according to the difference of test event, optionally accesses the unlike signal sensor signal;
When test wind-powered electricity generation unit powertrace, the data-in port of data acquisition unit directly links to each other with the data-out port of voltage sensor, current sensor, active power sensor, air velocity transducer, wind transducer, baroceptor and humidity sensor;
When the test wind-powered electricity generation unit quality of power supply, the data-in port of data acquisition unit directly links to each other with the data-out port of voltage sensor, current sensor.
Wind-powered electricity generation set grid-connection performance test methods based on industrial computer is: it is when test wind-powered electricity generation unit powertrace, described data acquisition unit obtains the data such as required wind speed, power, air pressure, temperature, wind direction, the on off state that is incorporated into the power networks, again the data that gather are sent on the industrial computer, generated 10min mean value, maximal value, minimum value and the standard deviation of wind speed, power, air pressure, temperature, wind direction by industrial computer, and show at display.
Wind-powered electricity generation set grid-connection performance test methods based on industrial computer is: when the test wind-powered electricity generation unit quality of power supply, three-phase voltage becomes the little current analog signal of low-voltage by CT with PT wind-powered electricity generation unit output voltage respectively with current signal with current conversion, carried out again the sampling of high speed AC synchronous, the pre-service of 64 in the every cycle in every road by the multifunctional high speed data acquisition unit, convert digital signal to, and data are sent to the enterprising row data processing of industrial computer; Automatically finished the computational analysis of data by the software in the industrial computer, and show Monitoring Data voltage current waveform and power swing curve at display.
Described data acquisition unit possesses each sampling rate of measuring passage and is at least 0.5Hz, adopts Campbell company to produce CR1000 series data acquisition system, and sample frequency reaches 10Hz, can receive simultaneously 20 road signals; The software kit of described CR1000 is PC200W, by this software the data in the data acquisition system (DAS) is sent on the industrial computer, processes for data.
Described when test wind-powered electricity generation unit powertrace, the precision of establishing criteria regulation is matched sensor, and determines its layout and installation form in unit control system; The design of data acquisition unit and recording mode, data mode and with the interface mode of outside wind speed wind direction sensor, preliminary data screening preprocessing function design; Industrial computer powertrace software comprises the drafting of data regression calculating, mathematical statistics, packet, powertrace scatter diagram to the analytical approach of measurement data, the reckoning of annual electricity generating capacity, the measuring and calculating of power of the assembling unit capacity coefficient.
Described when the test wind-powered electricity generation unit quality of power supply, precision that should the establishing criteria regulation is matched sensor, and determines its measuring position; The industrial computer process software can carry out flickering, frequency analysis by input interface voltage, current signal, and can put and provide report in order, comprise continuous operation active power, Reactive Power Analysis, the flickering analysis of 6-10m/s mean wind speed, the frequency analysis of 60s, 0.2s.
The performance-relevant testing apparatus research and development of wind-powered electricity generation unit such as the powertrace test, take two parts of external environment resource testing and the machine output power test to consist of, and equipment and data statistics technology have external IEC relevant criterion to use for reference at present; Load test equipment can carry out the research and development of equipment and the type selecting of peripheral sensor according to IEC61400-13; Electric energy quality test can carry out according to IEC61400-21; Noise testing can be carried out according to IEC61400-11; These method of testings and data computing have the corresponding foreign standard can reference, technical scheme be custom made with the industry constraint criteria, technical risk is little, has feasibility.
Test macro of the present invention is by the industrial computer of integrated different pieces of information processing capacity, and tested sensor is accessed by data acquisition unit to translation interface unit in the outside; Powertrace and power quality data process software are equipped with in industrial computer system inside, external interface is integrated signal data translation interface not of the same race unit, can process sensor signals such as temperature, air pressure, wind speed, generator voltage, electric currents simultaneously, and can generate visual curve.The multiple Treatment Analysis software of test macro of the present invention satisfies the demand of wind-powered electricity generation set grid-connection Performance Detection, under the prerequisite that can effectively save test macro investment and volume, weight, quantity, can greatly improve the overall performance of test macro, it is had broad application prospects in the new-energy grid-connected field.
The present invention compared with prior art has following advantage and beneficial effect:
Test macro of the present invention can satisfy on the basis of comprehensive at least two kinds of Data Management Analysis functions set grid-connection operation characteristic testing requirement.Not only can conveniently to wind-powered electricity generation unit electric energy quality test, can carry out flickering and frequency analysis; Can carry out the test of wind-powered electricity generation unit powertrace to the wind energy turbine set of existing anemometer tower simultaneously, and carry out analyzing and processing and demonstration, have simple to operate, flexible, the advantages such as processing power strong, figure output; Friendly outbound data interface can also be provided, stable, efficient, convenient to realize test process.Simplify the observing and controlling of wind power plant, reduced the fund input of checkout equipment.Effectively reduce investment amount and the measuring period of wind-powered electricity generation set grid-connection performance test apparatus; By the combination of different sensors data-switching, improve test macro controllability, convenience, have the two-fold advantage of practicality and economy.
Below in conjunction with specific embodiments of the invention and accompanying drawing, the present invention is described in detail, but enforcement of the present invention is not limited to this.
Description of drawings
Fig. 1 is the system schematic that the present invention is applied to the test of wind-powered electricity generation unit powertrace;
Fig. 2 is the system schematic that the present invention is applied to wind-powered electricity generation unit electric energy quality test;
Fig. 3 is the wind-powered electricity generation unit powertrace scatter diagram of test macro output of the present invention;
Fig. 4 is the wind-powered electricity generation unit harmonic current histogram of test macro output of the present invention.
Among the figure: temperature sensor 1, lightning rod 2, wind indicator 3, tiltmeter 4, baroceptor 5, data-in port 6, data transformation interface 7, anemoscope 8.
Embodiment
The present invention is a kind of wind-powered electricity generation set grid-connection Performance Test System and method based on industrial computer, and wherein test macro comprises that external environment measurement data utility appliance, industrial computer and three parts of data acquisition unit consist of.Described external environment measurement data utility appliance comprises anemometer tower, wind detection sensor, anemoscope, voltage sensor, current sensor, meteorological sensor; Internal unit is the industrial computer with different pieces of information translation interface.
Wind detection sensor, voltage sensor, current sensor, meteorological sensor and anemoscope in the external environment measurement data utility appliance the data-out port output line be connected to the data-in port 6 of data acquisition unit, the data acquisition unit output port connects industrial computer data transformation interface 7.
Wind detection sensor, anemoscope 8, meteorological sensor are installed on the anemometer tower; Meteorological sensor comprises baroceptor 5, humidity sensor, wind indicator sensor.Powertrace and power quality data processing capacity visual software are equipped with in industrial computer inside.
Data acquisition unit described in the present invention can according to the difference of test event, optionally access the unlike signal sensor signal.When test wind-powered electricity generation unit powertrace, the data-in port 6 of data acquisition unit directly links to each other with the data-out port of voltage sensor, current sensor, active power sensor, air velocity transducer, wind transducer, baroceptor 5 and humidity sensor; When the test wind-powered electricity generation unit quality of power supply, the data-in port 6 of data acquisition unit directly links to each other with the data-out port of voltage sensor, current sensor.
The wind-powered electricity generation set grid-connection performance test methods that the present invention is based on industrial computer is: three-phase voltage becomes the little current analog signal of low-voltage by CT with PT wind-powered electricity generation unit output voltage respectively with current signal with current conversion, carried out again the sampling of high speed AC synchronous, the pre-service of 64 in the every cycle in every road by the multifunctional high speed data acquisition unit, convert digital signal to, and data are sent to the enterprising row data processing of industrial computer; Automatically finished the computational analysis of data by the software in the industrial computer, and show Monitoring Data voltage current waveform and power swing curve at display.
As shown in Figure 1, in the whole test of wind-powered electricity generation unit power characteristic, according to national standard " test of wind power generating set power characteristic " GB/T 18451.2-2003, and with reference to the IEC61400-12-1 standard: 1998 wind turbine generator systems-Part12:wind turbine performance testing carry out.
When test wind-powered electricity generation unit powertrace, described data acquisition unit obtains the data such as required wind speed, power, air pressure, temperature, wind direction, the on off state that is incorporated into the power networks, again the data that gather are sent on the industrial computer, generated 10min mean value, maximal value, minimum value and the standard deviation of wind speed, power, air pressure, temperature, wind direction by industrial computer, and show at display.
When test wind-powered electricity generation unit powertrace, the precision of establishing criteria regulation is matched sensor, and determines its layout and installation form in unit control system; The design of data acquisition unit and recording mode, data mode and with the interface mode of outside wind speed wind direction sensor, preliminary data screening preprocessing function design; Industrial computer powertrace software comprises the drafting of data regression calculating, mathematical statistics, packet, powertrace scatter diagram to the analytical approach of measurement data, the reckoning of annual electricity generating capacity, the measuring and calculating of power of the assembling unit capacity coefficient.
Described data acquisition system (DAS) possesses each sampling rate of measuring passage and is at least 0.5Hz, adopts Campbell company to produce CR1000 series data acquisition system, and sample frequency reaches 10Hz, can receive simultaneously 20 road signals, meets standard-required fully.The software kit of CR1000 is PC200W, by this software the data in the data acquisition system (DAS) is sent on the industrial computer, processes for data.Per 10 minutes, the 30 groups of data of sampling.
As shown in Figure 2, in wind-powered electricity generation unit electric energy quality test process, test macro gathers voltage, electric current and the status signal of wind velocity signal and wind-powered electricity generation unit.During enforcement, external environment of the present invention can be measured utility appliance and be placed in the wind-powered electricity generation unit anemometer tower cylinder, comprise also in the anemometer tower that data acquisition system (DAS), industrial computer and sensor form.Comprising temperature sensor 1, lightning rod 2, anemoscope 8, wind indicator 3, tiltmeter 4, baroceptor 5 is located at outside the anemometer tower.
When the test wind-powered electricity generation unit quality of power supply, three-phase voltage becomes the little current analog signal of low-voltage by CT with PT wind-powered electricity generation unit output voltage respectively with current signal with current conversion, carried out again the sampling of high speed AC synchronous, the pre-service of 64 in the every cycle in every road by the multifunctional high speed data acquisition unit, convert digital signal to, and data are sent to the enterprising row data processing of industrial computer; Automatically finished the computational analysis of data by the software in the industrial computer, and show Monitoring Data voltage current waveform and power swing curve at display.
When the test wind-powered electricity generation unit quality of power supply, precision that should the establishing criteria regulation is matched sensor, and determines its measuring position; The industrial computer process software can carry out flickering, frequency analysis by input interface voltage, current signal, and can put and provide report in order, comprise continuous operation active power, Reactive Power Analysis, the flickering analysis of 6-10m/s mean wind speed, the frequency analysis of 60s, 0.2s.
Described voltage sensor, current sensor are the simulating signal of low-voltage, little electric current with high voltage and large current conversion, through signal picker sample, pre-service, convert digital signal to, equally data are sent on the industrial computer, process for data.
Described current transformer precision grade satisfies the requirement of GB/T1208, and the voltage transformer (VT) precision satisfies the requirement of GB/T1207, advises that the precision of these two kinds of mutual inductors should be 0. 5 grades or higher.
The virtual instrument of LabVIEW of NI company and the Matlab software of Mathworks company are housed in the described industrial computer.Described LabVIEW provides the frequency analysis function, and industrial computer is finished total percent harmonic distortion analysis of three-phase voltage, three-phase current automatically, the amplitude of output first-harmonic and each harmonic.
The usage data line is stored data with sensor and is downloaded to data acquisition system (DAS) and process conversion, then being uploaded to industrial computer by data-interface and can carrying out computational analysis, is wind-powered electricity generation unit powertrace scatter diagram under the test macro outputting standard atmospheric density of the present invention such as Fig. 3; Fig. 4 is the wind-powered electricity generation unit frequency analysis figure of test macro output of the present invention.
The present invention carries out according to IEC61400-12 standard, IEC61400-21 and GB/T 20320-2006 (quality of power supply is measured and appraisal procedure) standard, is the improvement of collection powertrace, electric energy quality test testing apparatus.Measure the item scope of the present invention comprises: powertrace, continuously active power, maximum instantaneous applied power, reactive power, voltage stability, harmonic wave, flickering etc.
Claims (10)
1. based on the wind-powered electricity generation set grid-connection Performance Test System of industrial computer, it is characterized in that: comprise that external environment measurement utility appliance, industrial computer and three parts of data acquisition unit consist of; The data-out port output line of external environment measurement data utility appliance is connected to the data-in port (6) of data acquisition unit, and the data acquisition unit output port connects industrial computer data transformation interface (7).
2. the wind-powered electricity generation set grid-connection Performance Test System based on industrial computer according to claim 1, it is characterized in that: described external environment measurement data utility appliance comprises anemometer tower, wind detection sensor, anemoscope, voltage sensor, current sensor, meteorological sensor; Wind detection sensor, anemoscope (8), meteorological sensor are installed on the anemometer tower; Described meteorological sensor comprises: comprise baroceptor (5), humidity sensor and wind indicator sensor.
3. the wind-powered electricity generation set grid-connection Performance Test System based on industrial computer according to claim 1, it is characterized in that: powertrace and power quality data processing capacity visual software are equipped with in described industrial computer inside.
4. the wind-powered electricity generation set grid-connection Performance Test System based on industrial computer according to claim 1 is characterized in that: the virtual instrument of LabVIEW of NI company and the Matlab software of Mathworks company are housed in the described industrial computer.
5. the wind-powered electricity generation set grid-connection Performance Test System based on industrial computer according to claim 1 is characterized in that: described data acquisition unit, according to the difference of test event, optionally access the unlike signal sensor signal;
When test wind-powered electricity generation unit powertrace, the data-in port of data acquisition unit (6) directly links to each other with the data-out port of voltage sensor, current sensor, active power sensor, air velocity transducer, wind transducer, baroceptor (5) and humidity sensor;
When the test wind-powered electricity generation unit quality of power supply, the data-in port of data acquisition unit (6) directly links to each other with the data-out port of voltage sensor, current sensor.
6. based on the wind-powered electricity generation set grid-connection performance test methods of industrial computer, it is characterized in that: when test wind-powered electricity generation unit powertrace, described data acquisition unit obtains the data such as required wind speed, power, air pressure, temperature, wind direction, the on off state that is incorporated into the power networks, again the data that gather are sent on the industrial computer, generated 10min mean value, maximal value, minimum value and the standard deviation of wind speed, power, air pressure, temperature, wind direction by industrial computer, and show at display.
7. based on the wind-powered electricity generation set grid-connection performance test methods of industrial computer, it is characterized in that: when the test wind-powered electricity generation unit quality of power supply, three-phase voltage becomes the little current analog signal of low-voltage by CT with PT wind-powered electricity generation unit output voltage respectively with current signal with current conversion, carried out again the sampling of high speed AC synchronous, the pre-service of 64 in the every cycle in every road by the multifunctional high speed data acquisition unit, convert digital signal to, and data are sent to the enterprising row data processing of industrial computer; Automatically finished the computational analysis of data by the software in the industrial computer, and show Monitoring Data voltage current waveform and power swing curve at display.
8. according to claim 6 or 7 described wind-powered electricity generation set grid-connection performance test methods based on industrial computer, it is characterized in that: described data acquisition unit possesses each sampling rate of measuring passage and is at least 0.5Hz, adopt Campbell company to produce CR1000 series data acquisition system, sample frequency reaches 10Hz, can receive simultaneously 20 road signals; The software kit of described CR1000 is PC200W, by this software the data in the data acquisition system (DAS) is sent on the industrial computer, processes for data.
9. a kind of wind-powered electricity generation set grid-connection performance test methods based on industrial computer according to claim 6, it is characterized in that: described when test wind-powered electricity generation unit powertrace, the precision of establishing criteria regulation is matched sensor, and determines its layout and installation form in unit control system; The design of data acquisition unit and recording mode, data mode and with the interface mode of outside wind speed wind direction sensor, preliminary data screening preprocessing function design; Industrial computer powertrace software comprises the drafting of data regression calculating, mathematical statistics, packet, powertrace scatter diagram to the analytical approach of measurement data, the reckoning of annual electricity generating capacity, the measuring and calculating of power of the assembling unit capacity coefficient.
10. a kind of wind-powered electricity generation set grid-connection performance test methods based on industrial computer according to claim 7, it is characterized in that: described when the test wind-powered electricity generation unit quality of power supply, should establishing criteria the precision of regulation sensor is matched, and determine its measuring position; The industrial computer process software can carry out flickering, frequency analysis by input interface voltage, current signal, and can put and provide report in order, comprise continuous operation active power, Reactive Power Analysis, the flickering analysis of 6-10m/s mean wind speed, the frequency analysis of 60s, 0.2s.
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| CN104793067A (en) * | 2014-01-20 | 2015-07-22 | 国家电网公司 | Estimation system and method for power adjustment and electric energy quality of wind power station |
| CN105337573A (en) * | 2015-10-20 | 2016-02-17 | 国家电网公司 | Site test method and system for phase modulation operation capability of photovoltaic inverter |
| CN106762424A (en) * | 2016-12-05 | 2017-05-31 | 北京普华亿能风电技术有限公司 | A kind of power supply unit of wind resistance shadow anemometer tower |
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| CN116106743A (en) * | 2023-04-11 | 2023-05-12 | 长沙润伟机电科技有限责任公司 | Multi-load pulse power supply data acquisition and control system |
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| CN116106743A (en) * | 2023-04-11 | 2023-05-12 | 长沙润伟机电科技有限责任公司 | Multi-load pulse power supply data acquisition and control system |
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Application publication date: 20130403 |