CN108119318B - Blower technological transformation effect of optimization appraisal procedure and its system based on unit wind measuring system - Google Patents
Blower technological transformation effect of optimization appraisal procedure and its system based on unit wind measuring system Download PDFInfo
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- CN108119318B CN108119318B CN201711368507.2A CN201711368507A CN108119318B CN 108119318 B CN108119318 B CN 108119318B CN 201711368507 A CN201711368507 A CN 201711368507A CN 108119318 B CN108119318 B CN 108119318B
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- 230000009466 transformation Effects 0.000 title claims abstract description 91
- 238000005457 optimization Methods 0.000 title claims abstract description 68
- 230000000694 effects Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000002159 abnormal effect Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 238000010977 unit operation Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 5
- 241001269238 Data Species 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000012512 characterization method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000012913 prioritisation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000011156 evaluation Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/321—Wind directions
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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
Abstract
The invention discloses a kind of blower technological transformation effect of optimization appraisal procedure and its system based on unit wind measuring system, belong to fan monitor field, including the anemometer being located in cabin, include the following steps: 1) wind measuring system calibration: determining target unit, and unit wind measuring system is calibrated, exclude deviation；2) reduced time section is selected；3) data acquisition and processing: measuring and calculates actual motion power curve, wind speed profile and actual power generation in the reduced time section before and after technological transformation optimization, and compares respectively；It is directed to unit wind measuring system data simultaneously, calculates the distribution of respective difference and variance rate relative to wind speed, and compare；4) interpretation of result and result judgement: comprehensive each data comparison is as a result, exclude abnormal results, effective reference data as technological transformation effect of optimization.The present invention excludes exception by multiple data targets, considers that entire unit wind measuring system data test that may be present is abnormal, improves the evaluating ability and accuracy of technological transformation effect of optimization as far as possible.
Description
Technical field
The present invention relates to fan monitor fields, optimize effect more particularly to a kind of blower technological transformation based on unit wind measuring system
Fruit appraisal procedure and its system.
Background technique
Evaluation and Optimizing Reconstruction stage after entering with Wind Power Generation Industry, various types of blower technological transformation optimization methods become again
Welcome rear market project, but in the implementation and implementation process of various technological transformation optimization, how how to evaluate effect of optimization
The generated energy variation of technological transformation optimization front and back is corresponded to technological transformation optimization behavior itself, becomes skill by the influence for reducing environment as far as possible
Change the very important problem that effect of optimization assessment is faced with Scheme Choice.Section in different times, the state of unit itself and
Environment locating for unit all differs greatly, and it is one that generated energy variation in unit different time sections is evaluated using calibration power test
A more accurately mode, but large-scale application, cost is too high in the case where implemented for long periods, especially to fining technological transformation
For optimization, anemometer tower is established to each target machine group and carries out power test to determine that the cost that generated energy variation generates can be tight
Weaken the income that technological transformation optimizes itself again.It is assessed using fan operation data, if not increasing other specifications, is difficult skill
The variation for changing front and back generated energy corresponds to technological transformation optimization originally.
Therefore, it is necessary to provide the appraisal procedure of a kind of evaluating ability that can be improved technological transformation effect of optimization and accuracy.
Summary of the invention
The object of the present invention is to provide a kind of evaluating ability that can be improved technological transformation effect of optimization and accuracy based on machine
The blower technological transformation effect of optimization appraisal procedure and its system of group wind measuring system.
To achieve the above object, the present invention adopts the following technical scheme:
The present invention provides a kind of blower technological transformation effect of optimization appraisal procedure based on unit wind measuring system, including is located at cabin
On anemometer, include the following steps:
1) wind measuring system is calibrated in advance: being determined the target wind field target unit for needing to carry out technological transformation optimization, and is calibrated unit
Wind measuring system, there are severe deviations for wind measuring system during excluding technological transformation optimal enforcement；
2) reduced time section is selected: selecting reduced time section according to set state in certain time before technological transformation implementation；
3) data acquisition and processing: measuring and it is bent to calculate actual motion power in the reduced time section before and after technological transformation optimization
Line, wind speed profile and actual power generation, and compare respectively；Simultaneously for the wind speed in unit wind measuring system, wind direction data, meter
The distribution of respective difference and variance rate relative to wind speed is calculated, and is compared；
4) interpretation of result and result judgement: comprehensive each data comparison is as a result, and pre- to unit with reference to technological transformation Optimized Measures
Meter influences, and excludes abnormal results, and technological transformation optimization itself can most be represented by, which selecting, optimizes the result that unit has an impact as technological transformation
Effective reference data of effect.
Further, the selection of reduced time section need to ensure the running environment difference of technological transformation optimization front and back in the step 2)
Smaller, the running environment difference small packet includes external environment and changes in small and unit the maintenance or replacement that component greatly is not present.
Further, it includes examining to target unit airspeedometer wind vane that wind measuring system is calibrated in advance in the step 1)
It looks into, if it exists the excessive unit of instrument for wind measurement deviation, then zero tightening operation of school is carried out, and postpone technological transformation optimal enforcement, if unit
Instrument for wind measurement deviation then retain current state and securing instrument in normal range, and prepare to implement technological transformation optimization.
Further, the technological transformation prioritization scheme is implemented by control single argument.
Further, the data basis of the actual motion power curve of every Fans is nacelle wind speed instrument in the step 3)
The power data of data and unit operation monitoring system.
Further, shown in the actual power generation calculation formula such as formula (1):
Wherein, the λnIndicate the performance number of n-th of wind speed interval in operation power curve, VnFor in operation power curve
The Annual distribution of n-th of wind speed interval.
On the other hand, it provides and is answered in the blower technological transformation effect of optimization appraisal procedure described in one kind based on unit wind measuring system
Assessment system, including unit operation monitoring system, airspeedometer, wind vane and digital sampling and processing:
The operation monitoring system is used to monitor the power data of unit；
The airspeedometer is for measuring wind speed；
The wind vane is for measuring wind direction；
The digital sampling and processing is used to acquire wind speed, wind direction after wind measuring system calibration and reduced time section are selected
And power data, and other related datas of characterization operating states of the units, and calculate separately Anemometer numerical quantity difference and exist
Distribution and change rate on wind speed, wind vane measurement numerical value difference distribution and change rate and actual power generation on wind speed are simultaneously right
The excellent data for changing front and back compare.
It further, further include interpretation of result judgment module；The interpretation of result judgment module, for integrating each data
Comparing result, and abnormal results are excluded to unit expected impact with reference to technological transformation Optimized Measures, selection can most represent technological transformation optimization originally
Effective reference data of the result that body has an impact unit as technological transformation effect of optimization.
Due to the adoption of the above technical scheme, the present invention has at least the following advantages:
(1) present invention is to compare the calculating of generated energy in the period on the basis of unit wind measuring system data and comment
Valence and comparison influence comparative part including the reasonable preparation before and after technological transformation optimal enforcement and mainly for wind measuring system
It is standardized accordingly, achievees the effect that the generated energy variation of technological transformation optimization front and back, which is corresponded to technological transformation, as far as possible optimizes itself.It is right
The implementation of technological transformation optimization and effect assessment provide scheme and data are supported.
(2) present invention is relative to anemometer tower is established and data acquisition device is tested, gradually for independent unit essence
In the epoch for refining layout optimization scheme, attachment cost can be reduced as far as possible.The present invention is mainly used to evaluation and carries out skill to unit
Effect after changing optimization, excludes exception by multiple data targets, considers entire unit wind measuring system data that may be present
Test is abnormal, the variation of optimization front and back unit generation amount is corresponded to technological transformation itself as far as possible, as far as possible raising technological transformation optimization effect
The evaluating ability and accuracy of fruit, for the implementation of technological transformation optimization and effect assessment and conceptual design providing method and thinking.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the blower technological transformation effect of optimization appraisal procedure flow chart the present invention is based on unit wind measuring system.
Specific embodiment
The present invention provides a kind of one embodiment of blower technological transformation effect of optimization appraisal procedure based on unit wind measuring system,
Including the anemometer being located in cabin, anemometer may include airspeedometer and wind vane, as shown in Figure 1, including the following steps:
1) wind measuring system is calibrated in advance: being determined the target wind field target unit for needing to carry out technological transformation optimization, and is calibrated unit
Wind measuring system, there are severe deviations for wind measuring system during excluding technological transformation optimal enforcement；
2) reduced time section is selected: selecting reduced time section according to set state in certain time before technological transformation implementation；
3) data acquisition and processing: measuring and it is bent to calculate actual motion power in the reduced time section before and after technological transformation optimization
Line, wind speed profile and actual power generation, and compare respectively；Simultaneously for the wind speed in unit wind measuring system, wind direction data, meter
The distribution of respective difference and variance rate relative to wind speed is calculated, and is compared；
4) interpretation of result and result judgement: comprehensive each data comparison is as a result, and pre- to unit with reference to technological transformation Optimized Measures
Meter influences, and excludes abnormal results, and technological transformation optimization itself can most be represented by, which selecting, optimizes the result that unit has an impact as technological transformation
Effective reference data of effect.
In the use of the present invention, choosing suitable reduced time section after then calibration is suitable by first calibrating in advance, carrying out
The calculating and evaluation and comparison of generated energy in reduced time section, then carry out data acquisition and processing, including following situation:
Actual power generation --- actual motion power and the corresponding wind speed profile sum of products.
Airspeedometer difference distribution --- distribution of two Anemometer numerical quantity differences on wind speed.
Wind vane difference distribution --- wind vane measures distribution of the numerical value difference on wind speed.
Wind speed the change of divergence rate --- change rate of the Anemometer magnitude difference on wind speed.
Wind direction the change of divergence rate --- change rate of the wind vane measured value difference on wind speed.
Corresponding data evaluates and screens --- in conjunction with unit actual motion power curve, generated energy, wind measuring system data difference table
Now comparing result accuracy is evaluated, determines data reasonability and final generated energy comparing result.
Conversion result is more accurately assessed in order to reduce external disturbance, the selection of reduced time section need to ensure skill in step 2)
The running environment difference for changing optimization front and back is smaller, and running environment difference small packet includes to be not present in the small and unit of external environment variation
The maintenance or replacement of big component.
Further, it includes checking target unit airspeedometer wind vane that wind measuring system is calibrated in advance in step 1),
The excessive unit of instrument for wind measurement deviation if it exists then carries out zero tightening operation of school, and postpones technological transformation optimal enforcement, if the survey of unit
Wind instrumental bias then retains current state and securing instrument in normal range, and prepares to implement technological transformation optimization.
Specifically, target unit airspeedometer wind vane is checked.The unit excessive to instrument for wind measurement deviation, carries out school
Zero tightening operation, and suitably postpone technological transformation optimal enforcement, 20 days or more time is reserved to collect basic data, so as to subsequent number
According to the reference influenced in treatment process as wind measuring system Data Data, checked again for before subsequent technological transformation optimal enforcement starts
And securing instrument.The unit little for wind measuring system state deviation, as far as possible reservation current state and securing instrument, and ensure skill
Change optimization to implement as early as possible.
Further, technological transformation prioritization scheme is implemented by control single argument.
Further, the data basis of the actual motion power curve of every Fans is nacelle wind speed instrument data in step 3)
With the power data of unit operation monitoring system, wind speed profile includes distribution and wind of the airspeedometer measurement data difference on wind speed
To distribution of the mapping numerical quantity difference on wind speed.
Further, shown in actual power generation calculation formula such as formula (1):
Wherein, λnIndicate the performance number of n-th of wind speed interval in operation power curve, VnIt is n-th in operation power curve
The Annual distribution of wind speed interval.
The method and points for attention that calculate in the above parameter are described in detail below:
Actual motion power curve: the data basis of the actual motion power curve of every Fans is nacelle wind speed instrument data
With the power data of unit operation monitoring system, data acquisition is stringent and method for drafting is in strict accordance with national standard " GBT18451.2-
2003 power characteristic of wind driven generator set test " in description carry out.The data of nacelle wind speed instrument are not strictly standard
Arrives stream wind speed under meaning, but its corresponding relationship for having no effect on nacelle wind speed instrument wind speed Yu the unit output power, simultaneously
The method also uses nacelle wind speed instrument to carry out wind frequency division cloth and calculates when calculating electricity, be distributed as 10 minutes according to national regulations
Average wind speed profile, due to being only concerned relative different in the excellent Contrast on effect of technological transformation, so comparison front and back uses identical number
According to source.
Data processing: technological transformation optimization front and back actual motion power curve and wind speed profile are calculated, and is compared；Calculate front and back
Actual power generation simultaneously compares；For front and back unit wind measuring system data, respective difference and variance rate are calculated relative to wind speed
Distribution, and compare；If selected reduced time section internal and external environment variation is huge, it is also necessary to consider environment temperature to the shadow of data
It rings.
Interpretation of result and result judgement: comprehensive each data comparison is as a result, and estimated to unit with reference to technological transformation Optimized Measures
It influences, excludes abnormal results, technological transformation optimization itself can most be represented by, which selecting, imitates the result that unit has an impact as technological transformation optimization
Effective reference data of fruit.
Technical reform scheme of the invention, which uses, controls univariate thought, reasonable implementation technical reform scheme, right before and after reasonable selection
It is for statistical analysis to the operation data and data difference distribution of technological transformation optimization front and back than the period, calculate unit actual motion
The distribution of the variable quantity and rate of change of power curve and wind speed and direction, comprehensive assessment evaluation.The present invention is by from technological transformation side
Case is designed into the comprehensive analysis of follow-up data processing and analysis comparison, accurately determines technological transformation optimization itself to unit function as far as possible
The influence of rate and generated energy excludes the shadow that wind measuring system and set state generate before and after technological transformation optimization there are relatively big difference
It rings, reaches influence of the optimization of accurate evaluation technological transformation as far as possible to unit generation amount itself, effective evaluation technological transformation effect of optimization.
On the other hand, it provides and applies in a kind of blower technological transformation effect of optimization appraisal procedure based on unit wind measuring system
Assessment system, including unit operation monitoring system, airspeedometer, wind vane and digital sampling and processing:
Operation monitoring system is used to monitor the power data of unit；
Airspeedometer is for measuring wind speed；
Wind vane is for measuring wind direction；
Digital sampling and processing be used in wind measuring system calibrate and reduced time section it is selected after acquire wind speed, wind direction and power
Data, and other related datas of characterization operating states of the units, and Anemometer numerical quantity difference is calculated separately on wind speed
Distribution and change rate, wind vane distribution and change rate and actual power generation of the measurement numerical value difference on wind speed and to excellent change before
Data afterwards compare.
It further, further include interpretation of result judgment module；Interpretation of result judgment module, for integrating each data comparison
As a result, and excluding abnormal results, it is right that selection can most represent technological transformation optimization itself to unit expected impact with reference to technological transformation Optimized Measures
Effective reference data of the result that unit has an impact as technological transformation effect of optimization.
In the use of the present invention, data are acquired by unit operation monitoring system, airspeedometer and wind vane, at data
Reason module analysis processing data simultaneously provide evaluation result.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (8)
1. a kind of blower technological transformation effect of optimization appraisal procedure based on unit wind measuring system, including the anemometer being located in cabin,
It is characterized by comprising the following steps:
1) wind measuring system is calibrated in advance: being determined the target wind field target unit for needing to carry out technological transformation optimization, and is calibrated unit and survey wind
System, there are severe deviations for wind measuring system during excluding technological transformation optimal enforcement；
2) reduced time section is selected: selecting reduced time section according to set state in certain time before technological transformation implementation；
3) data acquisition and processing: measuring and calculates actual motion power curve, wind in the reduced time section before and after technological transformation optimization
Speed distribution and actual power generation, and compare respectively；Simultaneously for the wind speed in unit wind measuring system, wind direction data, calculate each
Distribution from difference and variance rate relative to wind speed, and compare；
4) interpretation of result and result judgement: comprehensive each data comparison is as a result, and with reference to technological transformation Optimized Measures to the estimated shadow of unit
It rings, excludes abnormal results, select most to represent result that technological transformation optimization has an impact unit in itself as technological transformation effect of optimization
Effective reference data；
Wherein, data acquisition and processing, including following situation:
Actual power generation: actual motion power and the corresponding wind speed profile sum of products；
Airspeedometer difference distribution: distribution of two Anemometer numerical quantity differences on wind speed；
Wind vane difference distribution: wind vane measures distribution of the numerical value difference on wind speed；
Wind speed the change of divergence rate: change rate of the Anemometer magnitude difference on wind speed；
Wind direction the change of divergence rate: change rate of the wind vane measured value difference on wind speed；
Corresponding data evaluates and screens: in conjunction with unit actual motion power curve, generated energy, the performance of wind measuring system data difference to right
It is evaluated than result accuracy, determines data reasonability and final generated energy comparing result.
2. the blower technological transformation effect of optimization appraisal procedure according to claim 1 based on unit wind measuring system, feature exist
In the selection of reduced time section need to ensure that the running environment difference of technological transformation optimization front and back is smaller in the step 2), the operation
Environmental difference small packet includes external environment and changes in small and unit the maintenance or replacement that component greatly is not present.
3. the blower technological transformation effect of optimization appraisal procedure according to claim 1 based on unit wind measuring system, feature exist
In it includes checking target unit airspeedometer wind vane that wind measuring system is calibrated in advance in the step 1), surveys wind if it exists
The excessive unit of instrumental bias then carries out zero tightening operation of school, and postpones technological transformation optimal enforcement, if the instrument for wind measurement deviation of unit
In normal range, then retain current state and securing instrument, and prepares to implement technological transformation optimization.
4. the blower technological transformation effect of optimization appraisal procedure according to claim 1 based on unit wind measuring system, feature exist
In the technological transformation prioritization scheme is implemented by control single argument.
5. the blower technological transformation effect of optimization appraisal procedure according to any one of claims 1 to 4 based on unit wind measuring system,
It is characterized in that, the data basis of the actual motion power curve of every Fans is nacelle wind speed instrument data and machine in the step 3)
The power data of group operation monitoring system.
6. the blower technological transformation effect of optimization appraisal procedure according to any one of claims 1 to 4 based on unit wind measuring system,
It is characterized in that, shown in the actual power generation calculation formula such as formula (1):
Wherein, the λnIndicate the performance number of n-th of wind speed interval in operation power curve, VnIt is n-th in operation power curve
The Annual distribution of wind speed interval.
7. in a kind of any blower technological transformation effect of optimization appraisal procedure based on unit wind measuring system of claim 1 to 6
The assessment system of application, which is characterized in that including unit operation monitoring system, airspeedometer, wind vane and data acquisition process mould
Block:
The operation monitoring system is used to monitor the power data of unit；
The airspeedometer is for measuring wind speed；
The wind vane is for measuring wind direction；
The digital sampling and processing is used to acquire wind speed, wind direction and function after wind measuring system calibration and reduced time section are selected
Rate data, and other related datas of characterization operating states of the units, and Anemometer numerical quantity difference is calculated separately in wind speed
On distribution and change rate, wind vane distribution and change rate and actual power generation of the measurement numerical value difference on wind speed and change to excellent
The data of front and back compare.
8. that applies in the blower technological transformation effect of optimization appraisal procedure according to claim 7 based on unit wind measuring system comments
Estimate system, which is characterized in that further include interpretation of result judgment module；The interpretation of result judgment module, for integrating each number
Abnormal results are excluded to unit expected impact according to comparing result, and with reference to technological transformation Optimized Measures, selection can most represent technological transformation optimization
Effective reference data of result unit being had an impact as technological transformation effect of optimization itself.
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