CN107423868A - A kind of operation of power networks economy ideality evaluation index computational methods and device - Google Patents
A kind of operation of power networks economy ideality evaluation index computational methods and device Download PDFInfo
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Abstract
The embodiments of the invention provide a kind of operation of power networks economy ideality evaluation index computational methods and device, the technical problem of management and running professional skill can not be really reflected for average purchases strategies index.Present invention method includes：Optimal load flow is carried out to each generating set according to operation of power networks data and calculates the generating curve for obtaining each generating set for meeting operation of power networks requirement based on the economy optimized operation position under power network actual operating data and under the economy optimized operation locality condition；The first average purchases strategies according to corresponding to the generating curve and default rate for incorporation into the power network calculate operation of power networks economy optimal location, the second average purchases strategies according to corresponding to the actual power generation of unit actual motion and the default rate for incorporation into the power network calculate power network actual motion；So as to calculate operation of power networks economy ideality evaluation index, management and running professional skill can be reflected exactly using operation of power networks economy ideality evaluation index.
Description
Technical field
The present invention relates to power scheduling field, more particularly to a kind of operation of power networks economy ideality evaluation index calculating side
Method and device.
Background technology
Rate for incorporation into the power network refers to the electric power and electricity of power network purchase electricity power enterprise, in electricity power enterprise's access main grid structure that point
Measure price.Economy operation of power grid just refers to power network power supply cost rate is low or power generation energy resource consumption rate and the minimum bar of Network Loss Rate
Run under part.Economy operation of power grid is exactly a very strong power-saving technology of practicality.This technology is to ensure technical security, warp
Under the conditions of Ji are rational, existing equipment, element are made full use of, does not invest or has less investment, proved by correlation technique,
Optimum operating mode, Load adjustment are chosen, improve power factor, adjustment or changes transformer, electric network reconstruction etc., it is identical transmitting
On the basis of electricity, to reach reduction system loss, so as to reach the purpose increased economic efficiency.
For a long time, operation of power networks Economic Evaluation is mainly based upon the analysis of practical operation situation, selected index
Predominantly be averaged purchases strategies.
But due to the index actually with power consumption, start-up mode close association, therefore can not really reflect scheduling fortune
Row professional skill, business quality in other words can not be effectively embodied, it is not notable enough to lift effect to management and running business.Therefore,
Average purchases strategies index can not really reflect that management and running professional skill is that the technology that those skilled in the art's needs solve is asked
Topic.
The content of the invention
The embodiments of the invention provide a kind of operation of power networks economy ideality evaluation index computational methods and device, it is used for
Average purchases strategies index can not really reflect the technical problem of management and running professional skill.
The embodiment of the present invention provides a kind of operation of power networks economy ideality evaluation index computational methods, including：
Optimal load flow calculating acquisition is carried out to each generating set according to operation of power networks data and is based on power network actual operating data
Under economy optimized operation position and meet each of operation of power networks requirement under the economy optimized operation locality condition
The generating curve of generating set；
Operation of power networks economy is calculated according to the generating curve and default rate for incorporation into the power network by average computation model
The first average purchases strategies corresponding to optimal location, the actual power by average computation model according to unit actual motion
Amount and the default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion；
It is preferable that operation of power networks economy is calculated according to the described first average purchases strategies and the second average purchases strategies
Spend evaluation index.
Preferably, it is described that power network is calculated according to the generating curve and default rate for incorporation into the power network by average computation model
The first average purchases strategies corresponding to performance driving economy optimal location specifically include：
The integration of ordinate instantaneous electric amount in the generating curve of each generating set to abscissa time value
Unit i is obtained in economy optimized operation position generated energy Wi P；
By average computation model according to unit i in economy optimized operation position generated energy Wi PWith default online electricity
Valency ηiThe first average purchases strategies λ corresponding to operation of power networks economy optimal location is calculated with the first formulaP；
First formula is：
Preferably, it is described to pass through actual power generation of the average computation model according to unit actual motion and default online
The second average purchases strategies that electricity price calculates corresponding to power network actual motion are specially：
Actual power generation W by average computation model according to unit actual motioni RWith the default rate for incorporation into the power network
ηiThe second average purchases strategies λ corresponding to power network actual motion is calculated with the second formulaR；
Second formula is：
Wherein,
Preferably, it is described to calculate operation of power networks according to the described first average purchases strategies and the second average purchases strategies
Economy ideality evaluation index is specially：
According to the described first average purchases strategies λPWith the described second average purchases strategies λRPower network fortune is calculated with the 3rd formula
Row economy ideality evaluation index γ；
3rd formula is：
The embodiment of the present invention provides a kind of operation of power networks economy ideality evaluation index computing device, based on above-mentioned electricity
Network operation economy ideality evaluation index computational methods are calculated, including：
Load flow calculation module, it is based on for carrying out optimal load flow calculating to each generating set according to operation of power networks data
Economy optimized operation position under power network actual operating data and the satisfaction under the economy optimized operation locality condition
The generating curve of each generating set of operation of power networks requirement；
Cost calculation module, based on by average computation model according to the generating curve and default rate for incorporation into the power network
The first average purchases strategies corresponding to operation of power networks economy optimal location are calculated, it is real according to unit by average computation model
The actual power generation of border operation and the default rate for incorporation into the power network calculate the second average power purchase corresponding to power network actual motion into
This；
Index computing module, for calculating electricity according to the described first average purchases strategies and the second average purchases strategies
Network operation economy ideality evaluation index.
Preferably, the cost calculation module includes：
First average purchases strategies computing unit, for according to the generating curve and being preset by average computation model
Rate for incorporation into the power network calculate the first average purchases strategies corresponding to operation of power networks economy optimal location；
Second average purchases strategies computing unit, for the reality by average computation model according to unit actual motion
Generated energy and the default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion.
Preferably, the described first average purchases strategies computing unit includes：
Generated energy obtains subelement, for the ordinate instantaneous electric amount in the generating curve according to each generating set
Unit i is obtained in economy optimized operation position generated energy W to the integration of abscissa time valuei P。
Preferably, the described first average purchases strategies computing unit also includes：
First average purchases strategies computation subunit, for by average computation model according to unit i in economy most
Excellent running position generated energy Wi PWith default rate for incorporation into the power network ηiIt is right that operation of power networks economy optimal location institute is calculated with the first formula
The the first average purchases strategies λ answeredP。
Preferably, the described second average purchases strategies computing unit is additionally operable to real according to unit by average computation model
The actual power generation W of border operationi RWith the default rate for incorporation into the power network ηiCalculated with the second formula corresponding to power network actual motion
Second average purchases strategies λR。
Preferably, the index computing module is additionally operable to according to the described first average purchases strategies λPIt is average with described second
Purchases strategies λROperation of power networks economy ideality evaluation index γ is calculated with the 3rd formula.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The embodiment of the present invention is based on by carrying out optimal load flow calculating to each generating set according to operation of power networks data
Economy optimized operation position and the generating for each generating set for meeting operation of power networks requirement under power network actual operating data is bent
Line；Operation of power networks economy is calculated according to the economy optimized operation position, the generating curve and default rate for incorporation into the power network
The first average purchases strategies corresponding to optimal location, according to the actual power generation of unit actual motion and the default online
Electricity price calculates the second average purchases strategies corresponding to power network actual motion；According to the described first average purchases strategies and described the
Two average purchases strategies calculate operation of power networks economy ideality evaluation index, are referred to using the evaluation of operation of power networks economy ideality
Mark can reflect management and running professional skill exactly, and management and running business can not really be reflected by solving average purchases strategies index
Horizontal technical problem.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is one of a kind of operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
The schematic diagram of embodiment；
Fig. 2 is a kind of the another of operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
The schematic diagram of individual embodiment；
Fig. 3 is a kind of the another of operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
The schematic diagram of the application examples of individual embodiment.
Embodiment
The embodiments of the invention provide a kind of operation of power networks economy ideality evaluation index computational methods and device, it is used for
Average purchases strategies index can not really reflect the technical problem of management and running professional skill.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
A kind of referring to Fig. 1, operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
One embodiment, including：
101st, optimal load flow calculating acquisition is carried out to each generating set according to operation of power networks data and is based on power network actual motion
Economy optimized operation position under data and meet operation of power networks requirement under the economy optimized operation locality condition
Each generating set generating curve；
102nd, operation of power networks is calculated according to the generating curve and default rate for incorporation into the power network by average computation model to pass through
The first average purchases strategies corresponding to Ji property optimal location, the reality by average computation model according to unit actual motion
Generated energy and the default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion；
103rd, operation of power networks economy is calculated according to the described first average purchases strategies and the second average purchases strategies
Ideality evaluation index.
Above is to a kind of operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
One embodiment is described in detail, and a kind of operation of power networks economy ideality provided in an embodiment of the present invention will be commented below
Another embodiment of valency index calculating method is described in detail.
A kind of referring to Fig. 2, operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
Another embodiment, including：
201st, optimal load flow calculating acquisition is carried out to each generating set according to operation of power networks data and is based on power network actual motion
Economy optimized operation position under data and meet operation of power networks requirement under the economy optimized operation locality condition
Each generating set generating curve；
202nd, the ordinate instantaneous electric amount in the generating curve of each generating set is to abscissa time value
Integration obtains unit i in economy optimized operation position generated energy Wi P；
203rd, by average computation model according to unit i in economy optimized operation position generated energy Wi POn default
Net electricity price ηiThe first average purchases strategies λ corresponding to operation of power networks economy optimal location is calculated with the first formulaP；
204th, the actual power generation W by average computation model according to unit actual motioni RWith the default online
Electricity price ηiThe second average purchases strategies λ corresponding to power network actual motion is calculated with the second formulaR；
205th, according to the described first average purchases strategies λPWith the described second average purchases strategies λRElectricity is calculated with the 3rd formula
Network operation economy ideality evaluation index γ；
First formula is：
Second formula is：
Wherein,
3rd formula is：
It should be noted that the generating curve in the embodiment of the present invention refers to using time value as abscissa, with each generating
The generated energy corresponding with the corresponding time of unit is the curve of ordinate, according to this generating curve, can use the side of calculus
Generated energy of each generating set in preset time period is calculated in method.
Average computation model can apply to the embodiment of the present invention and draw the first formula and the second formula, and this is mathematics
Convention, it is common knowledge.
According to Load flow calculation can with the running position to power network, be the running position for including multiple dimensions, these operation
In position, there is an optimal position make it that purchases strategies are minimum, turn into economy optimized operation position, with known normal
Optimal load flow in knowledge is calculated and can obtained.
In economy optimized operation position, therefore the operational factor of each generating set is it has been determined that can draw each
The generating curve of individual generating set.
In the power network of actual motion, actually each power purchase price is fixed, and is provided according to embodiments of the present invention
Method can the multi-period optimal load flow based on actual operating data analyze, give possible best operation level, it is actual
On delimit the upper limit of performance driving economy, by the contrast of power network practical operation situation and the situation, the quantization for being capable of science is real
Border operation level, to instructing the horizontal lifting of management and running significant.
Above is to a kind of operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
Another embodiment is described in detail, below will be to a kind of operation of power networks economy ideality provided in an embodiment of the present invention
One embodiment of evaluation index computing device is described in detail.
The embodiment of the present invention provides a kind of one embodiment of operation of power networks economy ideality evaluation index computing device,
Calculated based on above-mentioned operation of power networks economy ideality evaluation index computational methods, including：
Load flow calculation module, it is based on for carrying out optimal load flow calculating to each generating set according to operation of power networks data
Economy optimized operation position under power network actual operating data and meet power network under economy optimized operation locality condition
The generating curve of each generating set of service requirement；
Cost calculation module, for calculating electricity according to generating curve and default rate for incorporation into the power network by average computation model
The first average purchases strategies corresponding to network operation economy optimal location, by average computation model according to the actual fortune of unit
Capable actual power generation and default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion；
Index computing module, for calculating operation of power networks warp according to the first average purchases strategies and the second average purchases strategies
Ji property ideality evaluation index.
Cost calculation module includes：
First average purchases strategies computing unit, for by average computation model according to generating curve and default
Net electricity price calculates the first average purchases strategies corresponding to operation of power networks economy optimal location；
Second average purchases strategies computing unit, for the reality by average computation model according to unit actual motion
Generated energy and default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion.
First average purchases strategies computing unit includes：
Generated energy obtains subelement, for the ordinate instantaneous electric amount in the generating curve according to each generating set to horizontal stroke
The integration of coordinate time value obtains unit i in economy optimized operation position generated energy Wi P。
First average purchases strategies computing unit also includes：
First average purchases strategies computation subunit, for by average computation model according to unit i in economy most
Excellent running position generated energy Wi PWith default rate for incorporation into the power network ηiIt is right that operation of power networks economy optimal location institute is calculated with the first formula
The the first average purchases strategies λ answeredP。
Second average purchases strategies computing unit is additionally operable to the reality by average computation model according to unit actual motion
Border generated energy Wi RWith default rate for incorporation into the power network ηiWith the second formula calculate the second average power purchase corresponding to power network actual motion into
This λR。
Index computing module is additionally operable to according to the first average purchases strategies λPWith the second average purchases strategies λRWith the 3rd formula
Calculate operation of power networks economy ideality evaluation index γ.
Above is to a kind of operation of power networks economy ideality evaluation index computing device provided in an embodiment of the present invention
One embodiment is described in detail, and a kind of operation of power networks economy ideality provided in an embodiment of the present invention will be commented below
The application examples of another embodiment of valency index calculating method is described in detail.
A kind of referring to Fig. 3, operation of power networks economy ideality evaluation index computational methods provided in an embodiment of the present invention
The application examples of another embodiment include：
1st, power network actual operating data is counted, carries out multi-period optimal load flow calculating；
Required power network actual operating data includes：1. power network realized load curve, including system loading and each bus
Load；2. power transmission and transforming equipment parameter, including transmission capacity, operation have a power failure the period；3. operation of power networks constrains, including profile constraints；
4. unit operation parameter, including fossil capacity, start-stop and climbing capacity, water power generating capacity and the cleaning such as water, wind-powered electricity generation, photovoltaic
Power supply generating curve, and the rate for incorporation into the power network of each unit.
According to above-mentioned data message, whole day grid operating conditions can be done with multi-period optimal load flow and calculated, the calculating can
In the case of being given at and meet power network actual motion requirement, the generating curve of each unit.
Special instruction, the model are operating analysis computation models common in network system analysis, herein no longer
Repeat.
2nd, the average purchases strategies corresponding to operation of power networks economy optimal location are calculated；
Multi-period optimal load flow calculates, and gives based on the economy optimized operation position under power network actual operating data,
The generating curve of each unit can be obtained accordingly, if unit i is W in economy optimized operation position generated energyi P, its rate for incorporation into the power network
For ηi, then the average purchases strategies λ corresponding to operation of power networks economy optimal locationPFor：
In formula (1), N is the generating set number of units of the whole network.
3rd, power network practical operation situation and operation of power networks economy optimal location are contrasted, it is preferable to calculate operation of power networks economy
Spend evaluation index.
If unit i generated energy in actual moving process is Wi R, then average purchases strategies corresponding to power network actual motion
λRFor：
It is important to note that in operation of power networks economy optimized operation position and power network actual motion, should meetTherefore both average purchases strategies difference is mainly reflected in the difference on power energy allocation, and the difference is real
Management and running level is just reflected on border.It is calculated as follows for this regulation operation of power networks economy ideality evaluation index γ：
A kind of operation of power networks economy ideality appraisal procedure provided in an embodiment of the present invention, with power network actual operating data
Based on carry out optimal load flow optimization analysis, determine operation of power networks economy optimal location, by contrast practical operation situation and
Operation of power networks economy optimal location, calculate operation of power networks economy ideality evaluation index.
Finally it should be noted that：Above step introduction is merely illustrative of the technical solution of the present invention rather than its limitations,
Although the present invention is described in detail with reference to above-described embodiment, those of ordinary skills in the art should understand that：According to
The embodiment of the present invention can so be modified or equivalent substitution, and appointing without departing from spirit and scope of the invention
What modification or equivalent substitution, it all should cover among scope of the presently claimed invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. operation of power networks economy ideality evaluation index computational methods, it is characterised in that including：Optimal load flow is carried out to each generating set according to operation of power networks data and calculates acquisition based under power network actual operating data Economy optimized operation position and each generating for meeting operation of power networks requirement under the economy optimized operation locality condition The generating curve of unit；It is optimal according to the generating curve and default rate for incorporation into the power network calculating operation of power networks economy by average computation model The first average purchases strategies corresponding to position, by average computation model according to the actual power generation of unit actual motion and The default rate for incorporation into the power network calculates the second average purchases strategies corresponding to power network actual motion；Calculate operation of power networks economy ideality according to the described first average purchases strategies and the second average purchases strategies and comment Valency index.
- A kind of 2. operation of power networks economy ideality evaluation index computational methods according to claim 1, it is characterised in that It is described optimal according to the generating curve and default rate for incorporation into the power network calculating operation of power networks economy by average computation model The first average purchases strategies corresponding to position specifically include：Ordinate instantaneous electric amount in the generating curve of each generating set obtains to the integration of abscissa time value Unit i is in economy optimized operation position generated energy Wi P；By average computation model according to unit i in economy optimized operation position generated energy Wi PWith default rate for incorporation into the power network ηi The first average purchases strategies λ corresponding to operation of power networks economy optimal location is calculated with the first formulaP；First formula is：<mrow> <msup> <mi>&lambda;</mi> <mi>P</mi> </msup> <mo>=</mo> <mfrac> <mrow> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>N</mi> </munderover> <msubsup> <mi>W</mi> <mi>i</mi> <mi>P</mi> </msubsup> <msub> <mi>&eta;</mi> <mi>i</mi> </msub> </mrow> <mrow> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>N</mi> </munderover> <msubsup> <mi>W</mi> <mi>i</mi> <mi>P</mi> </msubsup> </mrow> </mfrac> <mo>.</mo> </mrow>
- A kind of 3. operation of power networks economy ideality evaluation index computational methods according to claim 2, it is characterised in that It is described that power network reality is calculated according to the actual power generation of unit actual motion and default rate for incorporation into the power network by average computation model Run the average purchases strategies of corresponding second in border：Actual power generation W by average computation model according to unit actual motioni RWith the default rate for incorporation into the power network ηiWith Second formula calculates the second average purchases strategies λ corresponding to power network actual motionR；Second formula is：<mrow> <msup> <mi>&lambda;</mi> <mi>R</mi> </msup> <mo>=</mo> <mfrac> <mrow> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>N</mi> </munderover> <msubsup> <mi>W</mi> <mi>i</mi> <mi>R</mi> </msubsup> <msub> <mi>&eta;</mi> <mi>i</mi> </msub> </mrow> <mrow> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>N</mi> </munderover> <msubsup> <mi>W</mi> <mi>i</mi> <mi>R</mi> </msubsup> </mrow> </mfrac> </mrow>Wherein,
- A kind of 4. operation of power networks economy ideality evaluation index computational methods according to claim 1, it is characterised in that It is described to calculate operation of power networks economy ideality according to the described first average purchases strategies and the second average purchases strategies and comment Valency index is specially：According to the described first average purchases strategies λPWith the described second average purchases strategies λROperation of power networks warp is calculated with the 3rd formula Ji property ideality evaluation index γ；3rd formula is：<mrow> <mi>&gamma;</mi> <mo>=</mo> <mfrac> <msup> <mi>&lambda;</mi> <mi>P</mi> </msup> <msup> <mi>&lambda;</mi> <mi>R</mi> </msup> </mfrac> <mo>&times;</mo> <mn>100</mn> <mi>%</mi> <mo>.</mo> </mrow>
- A kind of 5. operation of power networks economy ideality evaluation index computing device, based on any one institute in such as Claims 1-4 The operation of power networks economy ideality evaluation index computational methods stated are calculated, it is characterised in that including：Load flow calculation module, power network is based on for carrying out optimal load flow calculating acquisition to each generating set according to operation of power networks data Economy optimized operation position under actual operating data and meet power network under the economy optimized operation locality condition The generating curve of each generating set of service requirement；Cost calculation module, for calculating electricity according to the generating curve and default rate for incorporation into the power network by average computation model The first average purchases strategies corresponding to network operation economy optimal location, by average computation model according to the actual fortune of unit Capable actual power generation and the default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion；Index computing module, for calculating power network fortune according to the described first average purchases strategies and the second average purchases strategies Row economy ideality evaluation index.
- A kind of 6. operation of power networks economy ideality evaluation index computing device according to claim 5, it is characterised in that The cost calculation module includes：First average purchases strategies computing unit, for by average computation model according to the generating curve and default Net electricity price calculates the first average purchases strategies corresponding to operation of power networks economy optimal location；Second average purchases strategies computing unit, for the actual power by average computation model according to unit actual motion Amount and the default rate for incorporation into the power network calculate the second average purchases strategies corresponding to power network actual motion.
- A kind of 7. operation of power networks economy ideality evaluation index computing device according to claim 6, it is characterised in that Described first average purchases strategies computing unit includes：Generated energy obtains subelement, for the ordinate instantaneous electric amount in the generating curve according to each generating set to horizontal stroke The integration of coordinate time value obtains unit i in economy optimized operation position generated energy Wi P。
- A kind of 8. operation of power networks economy ideality evaluation index computing device according to claim 6, it is characterised in that Described first average purchases strategies computing unit also includes：First average purchases strategies computation subunit, for by average computation model according to unit i in the optimal fortune of economy Line position puts generated energy Wi PWith default rate for incorporation into the power network ηiCalculated with the first formula corresponding to operation of power networks economy optimal location First average purchases strategies λP。
- A kind of 9. operation of power networks economy ideality evaluation index computing device according to claim 6, it is characterised in thatDescribed second average purchases strategies computing unit is additionally operable to the reality by average computation model according to unit actual motion Border generated energy Wi RWith the default rate for incorporation into the power network ηiThe second average purchase corresponding to power network actual motion is calculated with the second formula Electric cost λR。
- 10. a kind of operation of power networks economy ideality evaluation index computing device according to claim 5, its feature exist In,The index computing module is additionally operable to according to the described first average purchases strategies λPWith the described second average purchases strategies λRWith 3rd formula calculates operation of power networks economy ideality evaluation index γ.
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