CN205229348U - Friendly type evaluation system of wind -powered electricity generation field electric wire netting - Google Patents
Friendly type evaluation system of wind -powered electricity generation field electric wire netting Download PDFInfo
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- CN205229348U CN205229348U CN201521047769.5U CN201521047769U CN205229348U CN 205229348 U CN205229348 U CN 205229348U CN 201521047769 U CN201521047769 U CN 201521047769U CN 205229348 U CN205229348 U CN 205229348U
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Abstract
The embodiment of the utility model discloses friendly type evaluation system of wind -powered electricity generation field electric wire netting, include: the data acquisition device of setting on wind -powered electricity generation field and each wind turbine generator system's monitoring point, pass through communication network with each data acquisition device and be connected, carry out the evaluation device that periodic friendly type was evaluateed to the data of data acquisition device collection, wherein: the data acquisition device includes: voltage current data collection module and be the analog signal transition that voltage current data collection module gathered data signal and convey extremely evaluation device's analog -to -digital conversion module, wind -powered electricity generation field and each wind turbine generator system's monitoring point is located: wind -powered electricity generation field main transformer's high -pressure side and/or low tension side, wind turbine generator system's case becomes low tension side, wind -powered electricity generation field static var compensator SVC and/or SVG SVG branch road and the compile position of current collection circuit at booster station, communication network is optical network. Adopt the embodiment of the utility model provides a, can realize comprehensive, the accurate aassessment to the friendly type of wind -powered electricity generation field electric wire netting.
Description
Technical field
The utility model relates to technical field of wind power, particularly a kind of wind energy turbine set electrical network friendly evaluating system.
Background technology
Up to now, for the appraisal procedure of the electrical network friendly problem of wind energy turbine set, mainly contain following two large classes:
1) according to the history data of wind energy turbine set, the precision of output of wind electric field predicted data, the controllability of active power/reactive power and wind energy turbine set judge the electrical network friendly of wind energy turbine set for the index such as defensive ability/resistance ability of electric network fault.This method is the aftertreatment means based on wind power plant operation data, does not judge the electrical network friendly of wind energy turbine set according to real-time accurate service data, its confidence level, accuracy and comprehensively to have much room for improvement.
2) above-mentioned 1) shown in method basis on, with reference to the Third Party Authentication test report of Wind turbines grid-connected characteristic, Wind turbines low voltage ride-through capability sampling observation test report at the scene and the summary report data of wind energy turbine set operation maintenance personnel.This kind of appraisal procedure is all based on complicate statistics and analysis, and do not excavate the characteristic quantity in the on-line operation data that the whole place of wind energy turbine set has critical component real-time, assessment is according to comprehensive, and evaluation system is not rigorous, and the confidence level of assessment result and accuracy are not high.
Utility model content
Embodiment of the present utility model provides a kind of wind energy turbine set electrical network friendly evaluating system, can assess wind energy turbine set electrical network friendly situation up to standard compared to existing technology more comprehensively and accurately.
For achieving the above object, embodiment of the present utility model provides a kind of wind energy turbine set electrical network friendly evaluating system, comprising: be arranged on the data collector on the monitoring point of wind energy turbine set and each Wind turbines; Be connected by communication network with each described data collector, the data gathered described data collector carry out the apparatus for evaluating of periodically friendly assessment; Wherein: described data collector comprises: voltage/current data collector and the simulating signal by the collection of described voltage/current data collector are converted to digital signal and are sent to the analog-to-digital conversion module of described apparatus for evaluating; The monitoring site of described wind energy turbine set and each Wind turbines collects position in the case low pressure side of: the high-pressure side of wind energy turbine set main-transformer and/or low-pressure side, Wind turbines, wind energy turbine set Static Var Compensator SVC and/or static reacance generator SVG branch road and current collection circuit at booster stations; Described communication network is fiber optic network.
In wind energy turbine set electrical network friendly evaluating system as above, described apparatus for evaluating comprises: be connected by communication network with each described data collector, carries out to the data that described data collector gathers the data processing unit that classified calculating generates one-level characteristic and secondary characteristics data; And, be connected with described data processing unit, described one-level characteristic and normal data are compared, generate the assessment unit of friendly assessment result.
In wind energy turbine set electrical network friendly evaluating system as above, described apparatus for evaluating also comprises: be connected with described data processing unit, carry out alarm when described friendly assessment result does not reach predetermined estimation standard, and undertaken analyzing the alert analysis unit producing alert analysis result by pre-defined rule to described secondary characteristics data.
In wind energy turbine set electrical network friendly evaluating system as above, described system also comprises: be connected with described assessment unit and described alert analysis unit respectively, carries out statistical treatment and generate the Data Post equipment of data sheet to described friendly assessment result and described alert analysis result.
In wind energy turbine set electrical network friendly evaluating system as above, described system also comprises: with described Data Post equipment connection, the described data sheet that described Data Post equipment generates is carried out the display device represented.
The electric field electrical network friendly evaluating system that the utility model embodiment provides, by periodic, friendly assessment is carried out to the data on each monitoring point of wind energy turbine set and each Wind turbines, thus realize comprehensively and accurately to the assessment of wind energy turbine set electrical network friendly.
Accompanying drawing explanation
Wind energy turbine set electrical network friendly evaluating system one schematic diagram that Fig. 1 provides for the utility model;
Fig. 2 be in the utility model in wind energy turbine set all monitoring points distribution plan is set;
The wind energy turbine set electrical network friendly evaluating system data communication network schematic diagram that Fig. 3 provides for the utility model;
Another schematic diagram of wind energy turbine set electrical network friendly evaluating system that Fig. 4 provides for the utility model;
The another schematic diagram of wind energy turbine set electrical network friendly evaluating system that Fig. 5 provides for the utility model.
Marginal data:
1-data collector; 11-voltage/current data acquisition module; 12-analog-to-digital conversion module; 2-apparatus for evaluating; 21-data processing unit; 22-assessment unit; 23-alert analysis unit; 3-Data Post equipment; 4-display device.
Embodiment
The utility model design of this programme arranges monitoring point at the diverse location of wind energy turbine set and Wind turbines, and utilize data collector to gather data on these monitoring points, as voltage/current data etc., then carries out periodicity friendly to these data and assess.
Below in conjunction with accompanying drawing, the utility model embodiment wind energy turbine set electrical network friendly evaluating system is described in detail.
Embodiment one
Fig. 1 is the wind energy turbine set electrical network friendly evaluating system that the utility model embodiment provides, and comprising: be arranged on the data collector 1 on the monitoring point of wind energy turbine set and each Wind turbines; Be connected by communication network with each data collector 1, the data of data collector 1 collection carried out to the apparatus for evaluating 2 of periodically friendly assessment.Wherein, data collector 1 specifically can comprise voltage/current data acquisition module 11 and the simulating signal that voltage/current data acquisition module 11 gathers is converted to digital signal and is sent to the analog-to-digital conversion module 12 of apparatus for evaluating 2; The monitoring site of above-mentioned wind energy turbine set and each Wind turbines collects position in the case low pressure side of: the high-pressure side of wind energy turbine set main-transformer and/or low-pressure side, Wind turbines, wind energy turbine set Static Var Compensator SVC and/or static reacance generator SVG branch road and current collection circuit at booster stations; Above-mentioned communication network for data transmission can be fiber optic network.
Fig. 2 be in this programme in wind energy turbine set all monitoring points distribution plan is set.As shown in Figure 2, comprising:
(1) wind energy turbine set main-transformer (generatorstep-uptransformer is called for short GSUtransformer or GSU).Corresponding monitoring point is arranged on high-pressure side and/or the low-pressure side of GSU.In fig. 2, HV_U & I is for being arranged on the on high-tension side voltage of GSU, current data harvester; LV_U & I is voltage, the current acquisition module of GSU low-pressure side.
(2) every bar current collection circuit is at junction (the wind energy turbine set booster stations of booster stations, there is the voltage transformer (VT) (potentialtransformer detecting every bar line voltage distribution, electric current, PT) summation current transformer (CurrentTransformer, CT), monitoring point is arranged in PT and the CT secondary circuit of circuit), namely the monitoring site of circuit is in the Rendezvous Point of circuit at booster stations.
(3) Static Var Compensator (StaticVarCompensator, SVC)/static reacance generator (StaticVarGenerator, SVG) the place branch road of wind energy turbine set.The branch road of SVC/SVG, is all provided with PT and CT, and corresponding monitoring point is arranged in PT and CT secondary circuit.In Fig. 2,1#SVC/SVG-U & I is voltage, the current collecting device of wind energy turbine set concentrated reactive power compensation device/generating means in grid side of No. 1 SVC/SVG or other type.N#SVC/SVG-U & I is voltage, the current collecting device of wind energy turbine set concentrated reactive power compensation device/generating means in grid side of n SVC/SVG or other type.
(4) in wind energy turbine set, the case of every typhoon group of motors becomes (box type transformer) low-pressure side; Namely the monitoring site of Wind turbines is in case low pressure side.In Fig. 2, WT11_U & I be in wind energy turbine set No. 1 upper No. 1 Wind turbines WT11 of feeder line (current collection circuit) at voltage, the current collecting device of electrical network; WTnn_U & I is voltage, the current collecting device of the upper n Wind turbines WTnn of n feeder line in wind energy turbine set (current collection circuit) in grid side.
Based on point situation of monitoring point in Fig. 2, the data communication network schematic diagram between the data collector that these monitoring points have been set as illustrated in Fig. 3 and apparatus for evaluating 2.In Fig. 3, by fiber optic network after all data are gathered by the data collector 1 on above-mentioned corresponding monitoring point, be transferred to apparatus for evaluating 2.In embody rule scene, the data of collection can be stored into local data base by apparatus for evaluating 2, to carry out the apparatus for evaluating of periodically friendly assessment to these data.
The wind energy turbine set electrical network friendly evaluating system that the utility model embodiment provides, by detecting the data electric data of capture setting on the monitoring point of wind energy turbine set and Wind turbines, and the assessment of periodicity friendly is carried out to the data gathered, thus reach assessment wind energy turbine set electrical network friendly situation comprehensively and accurately.
Embodiment two
Another wind energy turbine set electrical network friendly evaluating system that Fig. 4 provides for the utility model.This system can be considered a kind of concrete structure of system shown in Figure 1 embodiment.
As shown in Figure 4, above-mentioned apparatus for evaluating 2 comprises: for being connected by communication network with each data collector 1, carries out to the data that data collector 1 gathers the data processing unit 21 that classified calculating generates one-level characteristic and secondary characteristics data; And, be connected with data processing unit 21, one-level characteristic and normal data are compared, generate the assessment unit 22 of friendly assessment result.
Wind energy turbine set electrical network friendly evaluating system adopts the mode in examination cycle, carries out the electrical network friendly assessment of the Wind turbines in special time length section, current collection circuit, SVC/SVG and wind farm grid-connected point continuously.First wind energy turbine set electrical network friendly evaluating system reads Wind turbines, SVC/SVG and main transformer high/low pressure side local data, then according to monitored equipment type determine electrical network friendly assessment local electric characteristic amount (as, for Wind turbines, need the active power average data of 1 minute/10 minutes, reactive power response time, active power rate of change characteristic quantity etc. that calculate Wind turbines machine end) and the calculating being undertaken by data processing unit 21 being correlated with.Then according to the constraint condition sequence specified in pre-determined GB/T19963-2011, the contrast process for local characteristic is carried out by assessment unit 22.If according to the result of the good type assessment of comparing result determination wind energy turbine set electrical network.The electric data gathered due to each data collector 1 and data processing unit 21 carry out the data of correlation computations generation and are not exclusively confined to the electric data parameter of the constraint condition sequence specified in GB/T19963-2011, even and if do not belong to the electric data parameter specified in GB/T19963-2011, these data also to assessment electrical network friendly play important effect.Therefore, in the present embodiment can directly and the electric data parameter of the constraint condition sequence specified in the GB/T19963-2011 data of carrying out contrasting be called one-level characteristic, by gather or non-one-level characteristic that process generates beyond electric data be called secondary characteristics data.One-level characteristic and secondary characteristics data obtain after all can carrying out correlation computations by data processing unit 21.Particularly, this processing unit 21 can for having programmable logic device (PLD) (ProgrammableLogicDevice, PLD) the circuit formation of data being carried out to logical process function.
In this programme, one-level characteristic and normal data (the electric data parameter namely specified in GB/T19963-2011) compare by assessment unit 22, generate friendly assessment result.Particularly, this assessment unit 22 can be formed for the comparator circuit with Data Comparison function.
Further, as shown in Figure 4, also comprise in above-mentioned apparatus for evaluating 2: be connected with data processing unit 21, carry out alarm when friendly assessment result does not reach predetermined estimation standard, and undertaken analyzing the alert analysis unit 23 producing alert analysis result by pre-defined rule to secondary characteristics data.
When one-level characteristic and normal data (the electric data parameter namely specified in GB/T19963-2011) compare by assessment unit 22, generating friendly assessment result is that the two data is inconsistent, namely the assessment of current electric grid friendly is poor, do not reach predetermined estimation standard, then alert analysis unit 23 starts alarm.Meanwhile, alert analysis unit 23 carries out computing further and data backup, to provide the disagreeableness analysis result of current electric grid to above-mentioned secondary characteristics data by pre-defined rule.Particularly, this police's analytic unit 23 can comprise: have the PLD circuit and the hardware store unit that data are carried out to logical process function.
Wherein GB/T19963-2011 constraint condition sequence is directly determined according to performance assessment criteria quantifiable in standard.Wind turbines, SVC/SVG and main transformer high/low pressure side provides respective assessment result according to GB/T19963-2011 constraint condition sequence respectively.If comparing result is that data are inconsistent, then carry out alarm, and carry out the treatment and analysis of finer secondary characteristics data.
Below several secondary characteristics data are enumerated again:
Example 1: for low voltage crossing characteristic, regulation is not had about the active power size issue during LVRT in GB/T19963, but this is a kind of important characteristic quantity for electrical network friendly, so in this patent these are not had the technology essential factor of regulation as the assessment of secondary characteristics data for electrical network friendly in GB/T19963.
Example 2: for Reactive Power Control, does not control the technical requirement of response time in GB/T19963 about stable state, therefore this also can participate in the assessment of electrical network friendly as secondary characteristics data.
Example 3: to the quality of power supply, the technical requirement in GB/T19963 not in Wind turbines end higher hamonic wave and m-Acetyl chlorophosphonazo, these also can as secondary characteristics data.
Further, as shown in Figure 5, in this programme, wind energy turbine set electrical network friendly evaluating system also comprises: be connected with assessment unit 22 and alert analysis unit 23 respectively, carries out statistical treatment and generate the Data Post equipment 3 of data sheet to friendly assessment result and alert analysis result.
Particularly, the electrical network friendly assessment result produced when assessment unit 22 is, correlation data is consistent, then Data Post equipment 3 forms " form " according to GB/T19963-2011 performance assessment criteria, form can provide in " quantized data " mode, to carry out the later stage following the tracks of contrast; Or, the electrical network friendly assessment result produced when assessment unit 22 is, correlation data is inconsistent, after alert analysis unit 23 pairs of secondary characteristics data carry out process generation alert analysis result, alert analysis resultant content is formed form, so that maintainer carries out analyzing and processing further by Data Post equipment 3.
Further, as shown in Figure 5, in this programme, wind energy turbine set electrical network friendly evaluating system also comprises: be connected with Data Post equipment 3, and the data sheet for being generated by Data Post mould 3 carries out the display device 4 represented.
Particularly, this display device 4 can for having the display device of the display interface of man-machine interaction.
The wind energy turbine set electrical network friendly evaluating system that the utility model embodiment provides, before carrying out the assessment of electrical network friendly, classified calculating is carried out to the electric data gathered, obtain one-level characteristic and secondary characteristics data, one-level characteristic and normal data are carried out contrast and obtains electrical network friendly assessment result.When being up to standard to electrical network friendly assessment result, startup analysis secondary characteristics data, and generate alert analysis result, send alarm simultaneously, thus more accurately, carry out the electrical network friendly assessment of wind energy turbine set targetedly.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (5)
1. a wind energy turbine set electrical network friendly evaluating system, is characterized in that, comprising: be arranged on the data collector on the monitoring point of wind energy turbine set and each Wind turbines; Be connected by communication network with each described data collector, the data gathered described data collector carry out the apparatus for evaluating of periodically friendly assessment; Wherein:
Described data collector comprises: voltage/current data acquisition module and the simulating signal by described voltage/current data collecting module collected are converted to digital signal and are sent to the analog-to-digital conversion module of described apparatus for evaluating; The monitoring site of described wind energy turbine set and each Wind turbines collects position in the case low pressure side of: the high-pressure side of wind energy turbine set main-transformer and/or low-pressure side, Wind turbines, wind energy turbine set Static Var Compensator SVC and/or static reacance generator SVG branch road and current collection circuit at booster stations;
Described communication network is fiber optic network.
2. system according to claim 1, it is characterized in that, described apparatus for evaluating comprises: be connected by communication network with each described data collector, carries out to the data that described data collector gathers the data processing unit that classified calculating generates one-level characteristic and secondary characteristics data; And, be connected with described data processing unit, described one-level characteristic and normal data are compared, generate the assessment unit of friendly assessment result.
3. system according to claim 2, it is characterized in that, described apparatus for evaluating also comprises: be connected with described data processing unit, carry out alarm when described friendly assessment result does not reach predetermined estimation standard, and undertaken analyzing the alert analysis unit producing alert analysis result by pre-defined rule to described secondary characteristics data.
4. system according to claim 3, it is characterized in that, described system also comprises: be connected with described assessment unit and described alert analysis unit respectively, carries out statistical treatment and generate the Data Post equipment of data sheet to described friendly assessment result and described alert analysis result.
5. system according to claim 4, is characterized in that, described system also comprises: with described Data Post equipment connection, the described data sheet that described Data Post equipment generates is carried out the display device represented.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310971A (en) * | 2020-09-01 | 2021-02-02 | 新疆金风科技股份有限公司 | Semi-direct-drive direct-current wind generating set and control method and equipment thereof |
| CN112613843A (en) * | 2020-12-26 | 2021-04-06 | 广东电网有限责任公司 | Platform control system and method for energy power basic data |
| CN113725893A (en) * | 2021-08-02 | 2021-11-30 | 华能陕西定边电力有限公司 | Wind-powered electricity generation field power quality monitoring devices with multiple wireless communication mode |
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2015
- 2015-12-15 CN CN201521047769.5U patent/CN205229348U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310971A (en) * | 2020-09-01 | 2021-02-02 | 新疆金风科技股份有限公司 | Semi-direct-drive direct-current wind generating set and control method and equipment thereof |
| CN112310971B (en) * | 2020-09-01 | 2021-08-24 | 新疆金风科技股份有限公司 | Semi-direct-drive direct-current wind generating set and control method and equipment thereof |
| CN112613843A (en) * | 2020-12-26 | 2021-04-06 | 广东电网有限责任公司 | Platform control system and method for energy power basic data |
| CN113725893A (en) * | 2021-08-02 | 2021-11-30 | 华能陕西定边电力有限公司 | Wind-powered electricity generation field power quality monitoring devices with multiple wireless communication mode |
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Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |
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