CN108984825A - A kind of hydroelectric power system modeling method and system - Google Patents
A kind of hydroelectric power system modeling method and system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 34
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- 238000004458 analytical method Methods 0.000 claims description 8
- 241001123248 Arma Species 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 6
- 238000007619 statistical method Methods 0.000 claims description 6
- 230000008439 repair process Effects 0.000 claims description 4
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Abstract
The present invention provides a kind of hydroelectric power system modeling method and systems, comprising: integrality and otherness based on the data for obtaining Hydropower Plant Reservoir establish Use of Hydroelectric Model.This method and system establish the Use of Hydroelectric Model with reservoir according to Hydropower Plant Reservoir data, improve the accuracy of Use of Hydroelectric Model, can accurately carry out water power and preferentially dissolve calculating, and obtain and accurately calculate effect.
Description
Technical field
The invention belongs to technical field of electric power, and in particular to a kind of hydroelectric power system modeling method and system.
Background technique
In recent years, with the fast development of wind-powered electricity generation, photovoltaic and water power, development and Application is calculated in clean energy resource digestion capability
Clean energy resource production simulation system become to be increasingly urgent to.Existing clean energy resource production simulation system is mainly used for wind-powered electricity generation and light
It lies prostrate preferential digestion capability to calculate, calculate the abandonment in planning horizon year and abandons light quantity, propose to reduce abandonment and abandon the control of light level
Measure, but Use of Hydroelectric Model is more coarse, can not simulate water power operational process, affects the precision of clean energy resource calculating.It is more preferable
Calculating clean energy resource dissolve situation, need establish adapt to clean energy resource production analogue technique water power modeling method and system.
The existing water power modeling method for being applied to production simulation mainly considers Hydropower Unit modeling, establishes Hydropower Unit
Electric power and electric quantity balancing relationship consider that the research of model of reservoir is less, so that existing clean energy resource production simulation system can not be into
Row water power preferentially dissolves calculating or calculated result inaccuracy.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention proposes a kind of hydroelectric power system modeling method and system.It should
Method and system considers the integrality and otherness of Hydropower Plant Reservoir data, establishes different Use of Hydroelectric Model, and combine electric power
And Constraint, complete Use of Hydroelectric Model is constructed, the availability of Use of Hydroelectric Model is promoted.
Realize solution used by above-mentioned purpose are as follows:
A kind of hydroelectric power system modeling method, thes improvement is that:
The data and otherness for obtaining Hydropower Plant Reservoir, establish Use of Hydroelectric Model.
First optimal technical scheme provided by the invention, it is improved in that the data for obtaining Hydropower Plant Reservoir
And otherness, establish Use of Hydroelectric Model, comprising:
Establish known Hydropower Unit NHQ function, water level storage capacity function, water level herd function, the limitation of minimum and maximum storage capacity
When the reservoir the Use of Hydroelectric Model based on storage outflow;
With the known reservoir inflow of the reservoir, water consumption rate function, water level accumulation of energy function and storage capacity water level function, base is constructed
In the Use of Hydroelectric Model of water consumption rate.
Second optimal technical scheme provided by the invention, it is improved in that establishing described as known Hydropower Unit NHQ
When function, water level storage capacity function, water level herd function, the limitation of minimum and maximum storage capacity, based on the reservoir storage outflow
Use of Hydroelectric Model, comprising:
As following formula calculates Hydropower Unit n in the power P of t momenth(t, n):
Ph(t, n)=fNHQ(Rg(t,n),hg)(1)
As following formula calculates abandoning energy Eh,c:
Eh,c=fNHQ(Rout(t,n)-Rg,max,hg)·ΔT(2)
Wherein, fNHQ(Rg,hg) it is Hydropower Unit NHQ function, Rg(t, n) is generating flow of the Hydropower Unit n in t moment,
hgFor productive head, Rout(t, n) is storage outflow of the Hydropower Unit n in t moment, Rg,maxFor generating flow maximum value, Δ T is t
Interval between moment and last moment t-1;
Wherein, Rg(t, n) is calculated as follows:
Rg(t, n)=min (Rout(t,n),Rg,max)(3)
0 < Rout(t, n) < Rout,max(4)
Wherein, Rout,maxFor storage outflow maximum value;
Hydropower Unit n is shown below in the storage capacity C (t, n) of t moment:
C (t, n)=C (t-1, n)+Rin(t,n)·ΔT-Rout(t,n)·ΔT(5)
Cmin< C (t, n) < Cmax(6)
Wherein, C (t-1, n) is storage capacity of the Hydropower Unit n in last moment t-1, Rin(t, n) is Hydropower Unit n in t
The reservoir inflow at quarter, CminFor the limitation of minimum storage capacity, CmaxFor maximum storage capacity limitation;
Productive head hgIt is calculated as follows:
hg=fg(h)(7)
Wherein, fgIt (h) is water level herd function;Water level h is calculated as follows:
H=fh(C(t,n))(8)
Wherein, fhIt (C) is water level storage capacity function.
Third optimal technical scheme provided by the invention, it is improved in that with the known reservoir inflow of the reservoir,
Water consumption rate function, water level accumulation of energy function and storage capacity water level function establish the Use of Hydroelectric Model based on water consumption rate, comprising:
Water water E is abandoned as following formula calculatesh,c:
Eh,c=Pc(t,n)·ΔT(9)
Wherein, Pc(t, n) is Hydropower Unit n in the abandoning water power of t moment, and Δ T is between t moment and last moment t-1
Interval;
Water power electricity E of the Hydropower Unit n in t momenth(t, n) is shown below:
Eh(t, n)=Eh(t-1,n)+Ein(t,n)-Ph(t,n)·ΔT-Pc(t,n)·ΔT(10)
EhThe value range of (t, n) is shown below:
Emin< Eh(t, n) < Emax(11)
Generated output P of the Hydropower Unit n in t momenthThe value range of (t, n) is shown below:
Ph,min< Ph(t, n) < Ph,max(12)
Wherein, Eh(t-1, n) is water power electricity of the Hydropower Unit n in last moment t-1, Ph(t, n) is Hydropower Unit n
In the generated output of t moment, EminFor the minimum value of water power electricity, EmaxFor the maximum value of water power electricity, Ph,minFor generated output
Minimum value, Ph,maxFor the maximum value of generated output;
Storage water power amount E of the Hydropower Unit n in t momentin(t, n) is calculated as follows:
Ein(t, n)=Rin(t,n)/fc(h)(13)
Wherein, Rin(t, n) is Hydropower Unit n in the reservoir inflow of t moment, and h is water level, fcIt (h) is related with water level
Water consumption rate function;
Water level h such as following formula calculates:
H=fe(Eh(t,n))(14)
Wherein, fe(Eh) it is water level accumulation of energy function, the fe(Eh) obtained by hydropower station water level accumulation of energy curve matching;
When power station is without water level accumulation of energy curve, f is calculated as followse(Eh) inverse function fe -1(h):
Wherein, h0For water level initial value, fcapIt (h) is storage capacity water level function.
4th optimal technical scheme provided by the invention, it is improved in that analysis Hydropower Plant Reservoir data is complete
The Use of Hydroelectric Model is constructed after property and otherness.
5th optimal technical scheme provided by the invention, it is improved in that the analysis Hydropower Plant Reservoir data
Before integrality and otherness, identification and reparation to Hydropower Plant Reservoir data include:
According to the autocorrelation performance of statistical analysis Hydropower Plant Reservoir data time sequence, recognize in the Hydropower Plant Reservoir data
Bad data and leakage data;
Bad data is rejected in processing based on ARMA model to the Hydropower Plant Reservoir data, restores leakage number
According to.
6th optimal technical scheme provided by the invention, it is improved in that described carry out Hydropower Plant Reservoir data
Before identification and reparation,
Hydropower Plant Reservoir data were collected with 15 minutes, 1 hour, 1 day or one month for chronomere.
A kind of hydroelectric power system modeling, it is improved in that including: modeling module;
The modeling module is used to obtain the data and otherness of Hydropower Plant Reservoir, establishes Use of Hydroelectric Model.
7th optimal technical scheme provided by the invention, it is improved in that the modeling module includes the first modeling
Subelement and the second modeling subelement;
The first modeling subelement is for constructing known Hydropower Unit NHQ function, water level storage capacity function, water level head letter
The Use of Hydroelectric Model based on storage outflow when several, minimum and maximum storage capacity limits;
The second modeling subelement is for constructing known reservoir inflow, water consumption rate function, water level accumulation of energy function and storage capacity
The Use of Hydroelectric Model based on water consumption rate when water level function.
8th optimal technical scheme provided by the invention, it is improved in that analyzing Hydropower Plant Reservoir with analysis module
The integrality and otherness of data, and data requirements is verified with water power modeling method.
9th optimal technical scheme provided by the invention, it is improved in that being recognized and being repaired with identification and repair module
Rehydration hydropower reservoir station data, comprising:
With identification subelement according to the autocorrelation performance of statistical analysis Hydropower Plant Reservoir data time sequence, the power station is recognized
Bad data and leakage data in reservoir data;
The ARMA model processing Hydropower Plant Reservoir data are based on subelement is repaired, reject bad data,
Restore leakage data.
Tenth optimal technical scheme provided by the invention, it is improved in that further include: data collection module;
The data collection module collected Hydropower Plant Reservoir data by 15 minutes, 1 hour, 1 day or one month periods.
Compared with the immediate prior art, the device have the advantages that as follows:
The present invention is based on Hydropower Plant Reservoir data, the Use of Hydroelectric Model with reservoir is established, improves the accurate of Use of Hydroelectric Model
Property, it can accurately carry out water power and preferentially dissolve calculating, and obtain and accurately calculate effect.
Detailed description of the invention
Fig. 1 is a kind of hydroelectric power system modeling method schematic diagram provided by the invention;
Fig. 2 is a kind of hydroelectric power system modeling method detailed process schematic diagram provided by the invention;
Fig. 3 is a kind of hydroelectric power system modeling structural schematic diagram provided by the invention.
Specific embodiment
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Embodiment 1:
A kind of hydroelectric power system modeling method flow diagram provided by the invention is as shown in Figure 1, comprising:
The data and otherness for obtaining Hydropower Plant Reservoir, establish Use of Hydroelectric Model.
Specifically, hydroelectric power system modeling method process is as shown in Figure 2, comprising:
Step 1: collecting Hydropower Plant Reservoir data with 15 minutes, 1 hour, 1 day or one month for chronomere.
Dispatching of power netwoks personnel obtains several years Hydropower Plant Reservoir historical datas, the temporal resolution of the data by regimen system
It can be 15 minutes, 1 hour, 1 day or one month.
Step 2: Hydropower Plant Reservoir data are recognized and repaired, comprising:
Step 2-1: according to the autocorrelation performance of statistical analysis Hydropower Plant Reservoir data time sequence, Hydropower Plant Reservoir data are recognized
In bad data and leakage data;
Step 2-2: bad data is rejected in the processing based on ARMA model to Hydropower Plant Reservoir data, is restored
Leak data.
Step 3: the integrality and otherness for carrying out Hydropower Plant Reservoir data are analyzed, that is, are based on water power modeling method,
Verify data requirements.
Because of different Use of Hydroelectric Model, the data that every kind of Use of Hydroelectric Model needs are different, it is therefore desirable to according to collection
Data select one of model of reservoir.If Hydropower Plant Reservoir data be it is complete, Use of Hydroelectric Model can be one optional, this can be with
It is considered integrity check;But if Hydropower Plant Reservoir data are not complete, matched model just is selected according to data, it is believed that
It is the otherness preference pattern according to data.
Step 4: the data and otherness of the Hydropower Plant Reservoir based on acquisition establish Use of Hydroelectric Model, comprising:
Step 4-1: when known Hydropower Unit NHQ function, water level storage capacity function, water level herd function, minimum and maximum library
When tolerance, the Use of Hydroelectric Model based on storage outflow is established, comprising:
4-1-1 calculates Hydropower Unit n in the power P of t momenth(t, n):
Ph(t, n)=fNHQ(Rg(t,n),hg)(1)
Wherein, fNHQ(Rg,hg) it is Hydropower Unit NHQ function, Rg(t, n) is generating flow of the Hydropower Unit n in t moment,
hgFor productive head.
Rg(t, n) is calculated as follows:
Rg(t, n)=min (Rout(t,n),Rg,max)(2)
0 < Rout(t, n) < Rout,max(3)
Wherein, Rout(t, n) is storage outflow of the Hydropower Unit n in t moment, Rg,maxFor generating flow maximum value, Rout,max
For storage outflow maximum value;
4-1-2 Hydropower Unit n is shown below in the storage capacity C (t, n) of t moment:
C (t, n)=C (t-1, n)+Rin(t,n)·ΔT-Rout(t,n)·ΔT(4)
Cmin< C (t, n) < Cmax(5)
Wherein, C (t-1, n) is storage capacity of the Hydropower Unit n in last moment t-1, Rin(t, n) is Hydropower Unit n in t
The reservoir inflow at quarter, interval of the Δ T between t moment and last moment t-1, CminFor the limitation of minimum storage capacity, CmaxFor maximum storage capacity
Limitation;
4-1-3 productive head hgIt is calculated as follows:
hg=fg(h)(6)
H=fh(C(t,n))(7)
Wherein, h is water level, fgIt (h) is water level herd function, fhIt (C) is water level storage capacity function;
4-1-4 such as following formula calculates abandoning energy Eh,c:
Eh,c=fNHQ(Rout(t,n)-Rg,max,hg)·ΔT(8)
Step 4-2: it when the reservoir inflow of known reservoir, water consumption rate function, water level accumulation of energy function and storage capacity water level function, builds
The Use of Hydroelectric Model for the water consumption rate that is based on, comprising:
4-2-1 such as following formula calculates Hydropower Unit n in the water electricity E of t momentin(t, n):
Ein(t, n)=Rin(t,n)/fc(h)(9)
Wherein, Rin(t, n) is Hydropower Unit n in the reservoir inflow of t moment, and h is water level, fcIt (h) is related with water level
Water consumption rate function;
4-2-2 Constraint:
Water power electricity E of the Hydropower Unit n in t momenth(t, n) is shown below:
Eh(t, n)=Eh(t-1,n)+Ein(t,n)-Ph(t,n)·ΔT-Pc(t,n)·ΔT(10)
EhThe value range of (t, n) is shown below:
Emin< Eh(t, n) < Emax(11)
Generated output P of the Hydropower Unit n in t momenthThe value range of (t, n) is shown below:
Ph,min< Ph(t, n) < Ph,max(12)
Wherein, Eh(t-1, n) is water power electricity of the Hydropower Unit n in last moment t-1, EminMost for water power electricity
Small value, EmaxFor the maximum value of water power electricity, Ph,minFor the minimum value of generated output, Ph,maxFor the maximum value of generated output, Pc
(t, n) is abandoning water power of the Hydropower Unit n in t moment;
4-2-3 water level h is calculated as follows:
H=fe(Eh(t,n))(13)
Wherein, fe(Eh) it is water level accumulation of energy function, which generally passes through hydropower station water level accumulation of energy curve matching and obtains, right
In power station of the part without water level accumulation of energy curve, can be given by the following formula:
Wherein, fe -1It (h) is fe(Eh) inverse function, fcapIt (h) is storage capacity water level function, h0For water level initial value;
Abandoning energy E is calculated as follows in 4-2-4h,c:
Eh,c=Pc(t,n)·ΔT(15)
Embodiment 2:
Based on the same inventive concept, the present invention also provides a kind of hydroelectric power system modelings, due to these equipment
The principle for solving technical problem is similar to hydroelectric power system modeling method, and overlaps will not be repeated.
The modeling is as shown in Figure 3, comprising: modeling module;
Modeling module is used to obtain the data and otherness of Hydropower Plant Reservoir, establishes Use of Hydroelectric Model.
Wherein, modeling module includes the first modeling subelement and the second modeling subelement;
First modeling subelement for construct known Hydropower Unit NHQ function, water level storage capacity function, water level herd function,
The Use of Hydroelectric Model based on storage outflow when minimum and maximum storage capacity limits;
Second modeling subelement is for constructing known reservoir inflow, water consumption rate function, water level accumulation of energy function and storage capacity water level
The Use of Hydroelectric Model based on water consumption rate when function.
Wherein, modeling further include: with the integrality and otherness of analysis module analysis Hydropower Plant Reservoir data.
Wherein, modeling further include: with identification and repair module identification and repair Hydropower Plant Reservoir data, comprising:
With identification subelement according to the autocorrelation performance of statistical analysis Hydropower Plant Reservoir data time sequence, Hydropower Plant Reservoir is recognized
Bad data and leakage data in data;
ARMA model processing Hydropower Plant Reservoir data are based on subelement is repaired, bad data is rejected, restores
Leak data.
Wherein, modeling further include: data collection module;
Data collection module collected Hydropower Plant Reservoir data by 15 minutes, 1 hour, 1 day or one month periods.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: above embodiments are merely to illustrate the technical solution of the application rather than to its protection scopes
Limitation, although the application is described in detail referring to above-described embodiment, those of ordinary skill in the art should
Understand: those skilled in the art read the specific embodiment of application can still be carried out after the application various changes, modification or
Person's equivalent replacement, but these changes, modification or equivalent replacement, are applying within pending claims.
Claims (12)
1. a kind of hydroelectric power system modeling method, it is characterised in that:
The data and otherness for obtaining Hydropower Plant Reservoir, establish Use of Hydroelectric Model.
2. the method as described in claim 1, which is characterized in that the data and otherness for obtaining Hydropower Plant Reservoir are established
Use of Hydroelectric Model, comprising:
It establishes when known Hydropower Unit NHQ function, water level storage capacity function, water level herd function, minimum and maximum storage capacity limit
The Use of Hydroelectric Model based on storage outflow of the reservoir;
With the known reservoir inflow of the reservoir, water consumption rate function, water level accumulation of energy function and storage capacity water level function, building is based on consumption
The Use of Hydroelectric Model of water rate.
3. method according to claim 2, which is characterized in that establish and work as known Hydropower Unit NHQ function, water level storage capacity letter
When number, the limitation of water level herd function, minimum and maximum storage capacity, the Use of Hydroelectric Model based on the reservoir storage outflow, comprising:
As following formula calculates Hydropower Unit n in the power P of t momenth(t, n):
Ph(t, n)=fNHQ(Rg(t,n),hg) (1)
As following formula calculates abandoning energy Eh,c:
Eh,c=fNHQ(Rout(t,n)-Rg,max,hg)·ΔT (2)
Wherein, fNHQ(Rg,hg) it is Hydropower Unit NHQ function, Rg(t, n) is generating flow of the Hydropower Unit n in t moment, hgFor hair
Electric head, Rout(t, n) is storage outflow of the Hydropower Unit n in t moment, Rg,maxFor generating flow maximum value, Δ T be t moment and
Interval between last moment t-1;
Wherein, Rg(t, n) is calculated as follows:
Rg(t, n)=min (Rout(t,n),Rg,max) (3)
0 < Rout(t, n) < Rout,max (4)
Wherein, Rout,maxFor storage outflow maximum value;
Hydropower Unit n is shown below in the storage capacity C (t, n) of t moment:
C (t, n)=C (t-1, n)+Rin(t,n)·ΔT-Rout(t,n)·ΔT (5)
Cmin< C (t, n) < Cmax (6)
Wherein, C (t-1, n) is storage capacity of the Hydropower Unit n in last moment t-1, Rin(t, n) is Hydropower Unit n in t moment
Reservoir inflow, CminFor the limitation of minimum storage capacity, CmaxFor maximum storage capacity limitation;
Productive head hgIt is calculated as follows:
hg=fg(h) (7)
Wherein, fgIt (h) is water level herd function;Water level h is calculated as follows:
H=fh(C(t,n)) (8)
Wherein, fhIt (C) is water level storage capacity function.
4. method according to claim 2, which is characterized in that with the known reservoir inflow of the reservoir, water consumption rate function, water
Position accumulation of energy function and storage capacity water level function construct the Use of Hydroelectric Model based on water consumption rate, comprising:
Water water E is abandoned as following formula calculatesh,c:
Eh,c=Pc(t,n)·ΔT (9)
Wherein, Pc(t, n) is abandoning water power of the Hydropower Unit n in t moment, interval of the Δ T between t moment and last moment t-1;
Water power electricity E of the Hydropower Unit n in t momenth(t, n) is shown below:
Eh(t, n)=Eh(t-1,n)+Ein(t,n)-Ph(t,n)·ΔT-Pc(t,n)·ΔT (10)
EhThe value range of (t, n) is shown below:
Emin< Eh(t, n) < Emax (11)
Generated output P of the Hydropower Unit n in t momenthThe value range of (t, n) is shown below:
Ph,min< Ph(t, n) < Ph,max (12)
Wherein, Eh(t-1, n) is water power electricity of the Hydropower Unit n in last moment t-1, Ph(t, n) is Hydropower Unit n in t
The generated output at quarter, EminFor the minimum value of water power electricity, EmaxFor the maximum value of water power electricity, Ph,minFor the minimum of generated output
Value, Ph,maxFor the maximum value of generated output;
Storage water power amount E of the Hydropower Unit n in t momentin(t, n) is calculated as follows:
Ein(t, n)=Rin(t,n)/fc(h) (13)
Wherein, Rin(t, n) is Hydropower Unit n in the reservoir inflow of t moment, and h is water level, fcIt (h) is water consumption related with water level
Rate function;
Water level h such as following formula calculates:
H=fe(Eh(t,n)) (14)
Wherein, fe(Eh) it is water level accumulation of energy function, the fe(Eh) obtained by hydropower station water level accumulation of energy curve matching;
When power station is without water level accumulation of energy curve, f is calculated as followse(Eh) inverse function fe -1(h):
Wherein, h0For the water level initial value of the reservoir, fcapIt (h) is storage capacity water level function.
5. the method as described in claim 1, which is characterized in that structure after the integrality and otherness of analysis Hydropower Plant Reservoir data
Build the Use of Hydroelectric Model.
6. method as claimed in claim 5, which is characterized in that the integrality and otherness of the analysis Hydropower Plant Reservoir data
Before, include: to the identification and reparation of Hydropower Plant Reservoir data
According to the autocorrelation performance of statistical analysis Hydropower Plant Reservoir data time sequence, the bad number in the Hydropower Plant Reservoir data is recognized
According to leakage data;
Bad data is rejected in processing based on ARMA model to the Hydropower Plant Reservoir data, restores leakage data.
7. method as claimed in claim 6, which is characterized in that it is described Hydropower Plant Reservoir data are recognized and are repaired before,
Hydropower Plant Reservoir data were collected with 15 minutes, 1 hour, 1 day or one month for chronomere.
8. a kind of hydroelectric power system modeling characterized by comprising modeling module;
The modeling module is used to obtain the data and otherness of Hydropower Plant Reservoir, establishes Use of Hydroelectric Model.
9. modeling as claimed in claim 8, which is characterized in that the modeling module includes the first modeling subelement and the
Two modeling subelements;
The first modeling subelement for construct known Hydropower Unit NHQ function, water level storage capacity function, water level herd function,
The Use of Hydroelectric Model based on storage outflow when minimum and maximum storage capacity limits;
The second modeling subelement is for constructing known reservoir inflow, water consumption rate function, water level accumulation of energy function and storage capacity water level
The Use of Hydroelectric Model based on water consumption rate when function.
10. modeling as claimed in claim 8, which is characterized in that analyze the complete of Hydropower Plant Reservoir data with analysis module
Whole property and otherness, and data requirements is verified with water power modeling method.
11. modeling as claimed in claim 10, which is characterized in that further include: it is recognized and is repaired with identification and repair module
Rehydration hydropower reservoir station data, comprising:
With identification subelement according to the autocorrelation performance of statistical analysis Hydropower Plant Reservoir data time sequence, the Hydropower Plant Reservoir is recognized
Bad data and leakage data in data;
The ARMA model processing Hydropower Plant Reservoir data are based on subelement is repaired, bad data is rejected, restores
Leak data.
12. modeling as claimed in claim 11, which is characterized in that further include: data collection module;
The data collection module collected Hydropower Plant Reservoir data by 15 minutes, 1 hour, 1 day or one month periods.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810554376.5A CN108984825A (en) | 2018-06-01 | 2018-06-01 | A kind of hydroelectric power system modeling method and system |
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