CN105844399A - Post evaluation method of power distribution network energy-saving reconstruction project - Google Patents
Post evaluation method of power distribution network energy-saving reconstruction project Download PDFInfo
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Abstract
The invention relates to a post evaluation method of a power distribution network energy-saving reconstruction project. The objective of the invention is to eliminate defects in the prior art. The method includes the following steps that: S1, a power distribution network energy-saving project post evaluation system is built; S2, a hierarchical evaluation analysis model is built; S3, the weights of indexes in various evaluation systems are acquired; and S4, an evaluation result can be obtained through model analysis. According to the post evaluation method of the invention adopted, in the post evaluation process of the power distribution network energy-saving reconstruction project, the content options of bottom-layer indexes are subdivided, so that index data can be standardized, and therefore, the accuracy of the evaluation results can be ensured; the characteristics of power distribution network energy-saving reconstruction, such as adaptability and coordination, are highlighted; and the power distribution network energy-saving project post evaluation system, the evaluation model, evaluation criteria, and the weights of the evaluation indexes are built and analyzed, and the current energy-saving reconstruction level of a power distribution network can be reflected quantitatively from a plurality of angles.
Description
Technical field
The present invention relates to distribution network transform evaluation areas, being specifically related to is a kind of power distribution network reducing energy consumption project
Post evaluation method.
Background technology
Along with distribution reducing energy consumption project has successfully been carried out in multiple provinces, explored adaptation locality power supply and
The construction mode of energy saving requirement, promotes local power supply capacity and the quality of power supply and serves positive promotion
Effect.In the science of research power distribution network reducing energy consumption project, the quality of quantitatively evaluating power grid construction scheme
Time need power distribution network is carried out reducing energy consumption post-evaluation.One rationally, science, effectively, distribution accurately
It is right that net reducing energy consumption Post-assessment Method needs: how program evaluation result；Construction scheme is the most reasonable；As
The aspects such as the implementation result of what quantificational description electrical network reducing energy consumption measure carry out research and probe.
Traditional power distribution network appraisal mainly includes the individual event assessments such as reliability, safety, power supply quality.
But traditional appraisal procedure lacks electrical network and the assessment of energy consumption level after transformation, still can not effective evaluation electricity
Net recent energy-saving effect and remain the practical problems such as energy-conservation nargin.Therefore, one it is badly in need of more comprehensive, complete
Face, the post evaluation method of reducing energy consumption project accurately.
Summary of the invention
The present invention solves the deficiencies in the prior art, propose the later evaluation of a kind of power distribution network reducing energy consumption project
Method, comprises the following steps:
S1. power distribution network Energy-saving Projects later evaluation system is set up.
Described power distribution network Energy-saving Projects later evaluation system of setting up comprises the following steps:
1) determination of subsystem: by the saving quantity of electricity in power distribution network synthesis quantitative appraisement model,
Project in Operation situation, equipment level, operation maintenance work, project affect and combine various electrical network economize on electricity energy
The distribution situation of power, sets and evaluates subsystem.
2) determination of pointer type: with cost type, profit evaluation model, moderate type index sorting technique for depending on
According to, according to step 1) selected evaluation subsystem selects one-level evaluation index.
3) determination of lower floor's index: according to step 2) selected one-level evaluation index determines that remaining lower floor refers to
Mark.
Described power distribution network Energy-saving Projects later evaluation system, comprises some evaluation subsystems and level index.
Preferably, the subsystem of power distribution network Energy-saving Projects later evaluation system includes: life cycle management evaluates son
System, energy-saving effect evaluate subsystem, energy-conservation nargin evaluate subsystem, evaluation of economic benefit subsystem,
Subsystem is evaluated in impact.
Further, it is the whole implementation process of project that life cycle management evaluates subsystem scope, including before
Phase decision-making, design preparation, construction, operational management one-level evaluation index.
Further, the main purpose of energy-saving effect evaluation be science evaluation electric network reconstruction after energy consumption level
And equipment, determine and affect the key of electrical network Energy Conservation " crux " place, promote electrical network science
Reduce energy consumption, including service ability, equipment one-level evaluation index.
Further, energy-conservation nargin evaluates subsystem assessment needs to adapt to load development according to power supply capacity
Situation, system loss and load development judge the dynamics of investment of electrical network.With dynamics of investment for evaluating
The factor, sets up the energy-conservation nargin evaluation model towards dynamics of investment, reflects electrical network by energy-conservation nargin evaluation
The science of investment decision, reasonability, refer to including load growth, power supply capacity, power saving capability one-level evaluation
Mark.
Further, evaluation of economic benefit subsystem by evaluation of economic benefit by benefit evaluation and electric power network technique
Performance evaluation combines, and the comprehensive function effect of indices is embodied in different classes of benefit, logical
Cross the level of profitability of expense effect reaction electrical network.The economic indicator timesharing intersexuality index of technical economic analysis,
Value index, than forthright index.Become by general item investment income approach, period of investment recovery, income
Ben Bifa is from time index, value index, objective evaluation electrical network reducing energy consumption item more comprehensive than forthright index
Mesh.
Further, the subsystem assessment angle from the most beneficially social development, Quan Mianfen are evaluated in impact
Analysis assessment item build with enforcement on relevant social factor, the impact of environmental factors, i.e. carry out society,
Environmental evaluation.
Preferably, Pre-Stage Decision-Making one-level evaluation index includes: can compile carefully situation processed, amount of electricity saving prediction accurately
Rate, construction project regulation two-level appraisement index；Design prepares one-level evaluation index and includes: planning and designing
Situation, bidding management situation two-level appraisement index；Construction one-level evaluation index includes: construct into
Degree administrative situation, Safety Management situation, construction quality administrative situation two-level appraisement index；Operation pipe
Reason one-level evaluation index includes: local System Construction situation, energy-saving equipment defect elimination rate, energy consumption platform use
Situation, energy-saving equipment put into operation situation two-level appraisement index；Service ability one-level evaluation index includes: line loss
Situation, power factor (PF), three-phase imbalance rate, rate of qualified voltage, power supply capacity lifting values two-level appraisement refer to
Mark；Equipment one-level evaluation index includes: energy saver ratio, basic routing line length compliance rate, line
Cross section, road compliance rate, extended active duty equipment ratio, circuit attaching capacity two-level appraisement index；Power supply capacity
One-level evaluation index includes: electrical network power supply capacity two-level appraisement index in the project cycle；Load growth one-level
Evaluation index includes: electrical network prediction load two-level appraisement index in the project cycle；Power saving capability one-level is evaluated
Index includes: electric network synthetic loss two-level appraisement index in the project cycle；Cost effectiveness (CE) one-level evaluation index
Including: returns of investment ratio, investment payback time, rate of return on total investment two-level appraisement index；Returns of investment ratio,
Investment payback time, rate of return on total investment two-level appraisement index include: increase delivery benefit, energy-saving efficiency three
Level evaluation index；Increase three grades of evaluation indexes of delivery benefit to include: increase-volume dilatation increases delivery, reliability
Promote and increase delivery benefit level Four evaluation index；Social influence's one-level evaluation index includes: low-voltage user
Ratio, product electricity ratio, regional economy promotion rate, power-saving technology utilization rate two-level index；Environmental effect one
Level evaluation index includes: ten thousand yuan of output value comprehensive energy consumption rates of descent, nuisances reduce discharging situation, non-renewable energy
Situation two-level index is saved in source.
S2. level evaluation analysis model is set up.
Stepwise level evaluation analysis model is passed in employing, and this model uses linear analysis function equal to indexs at different levels
Give weighted value；Upper strata index is considered respective weights value superposition gained by lower floor's index；Indexs at different levels are layer by layer
Recursion obtains final comprehensive score.
Preferably, power distribution network reducing energy consumption evaluation score uses linear relationship formula to be calculated:
P1=A1×X1+A2×X2+…+An×Xn
Wherein (X1, X2..., Xn) it is index set, (A1, A2..., An) it is each index weights.
Preferably, life cycle management evaluates subsystem and each level evaluation index score all uses linear relationship
Formula is calculated:
P1=a1×l1+a2×l2+…+an×ln
Wherein (l1, l2..., ln) it is index set, (a1, a2..., an) it is each index weights.
Preferably, energy-saving effect evaluates subsystem and each level evaluation index score all uses linear relationship public
Formula is calculated:
P2=b1×m1+b2×m2+…+bn×mn
Wherein (m1,m2,…,mn) it is index set, (b1,b2,…,bn) it is each index weights.
Preferably, energy-conservation nargin evaluates subsystem and each level evaluation index score all uses linear relationship public
Formula is calculated:
P3=c1×n1+c2×n2+…+cn×nn
Wherein (n1,n2,…,nn) it is index set, (c1,c2,…,cn) it is each index weights.
Preferably, evaluation of economic benefit subsystem and each level evaluation index score all use linear relationship public
Formula is calculated:
P4=d1×o1+d2×o2+…+dn×on
Wherein (o1,o2,…,on) it is index set, (d1,d2,…,dn) it is each index weights.
Preferably, subsystem is evaluated in impact and each level evaluation index score all uses linear relationship formula meter
Obtain:
P5=e1×p1+e2×p2+…+en×pn
Wherein (p1, p2..., pn) it is index set, (e1, e2..., en) it is each index weights.
S3. the weight of each index in evaluation system is obtained.
In conjunction with typical distribution net comprehensive Quantified Evaluation model and with reference to code, directive/guide and expertise, obtain
The weight of each level evaluation index.
Preferably, Delphi method is used to obtain the weight of evaluation indexes at different levels.
S4. assessment result is obtained by model analysis.
Analyze model and the weighted value of step S3 acquisition according to what step S2 obtained, be calculated power distribution network
The later evaluation value that Energy-saving Projects is final.
Preferably, described obtained assessment result by model analysis method be: first by evaluation system
The most each desired value of subordinate's index is converted to score value；Then obtain according to analysis model computational analysis layer by layer
Other score values at different levels；Power distribution network Energy-saving Projects is made comprehensively by the score values at different levels finally according to system
Evaluate.
Preferably, calculating scoring is used to obtain the score value of subordinate's index.
The beneficial effects of the present invention is:
1. the present invention is during carrying out power distribution network reducing energy consumption project control software, is referred to by segmentation bottom
Target content options, so that achievement data regulation and standardization, it is ensured that the accuracy of assessment result.
Index system the most proposed by the invention contains life cycle management process, energy-saving effect, energy-conservation abundant
The index of the multinomial power distribution network Energy efficiency evaluations such as degree, economic benefit and combined influence, highlights that power distribution network is energy-conservation to be changed
The features such as the adaptability made, harmony；Analyze and set up power distribution network reducing energy consumption appraisement system, evaluation
Model, evaluation criterion and evaluation criterion weight, it is possible to from the joint that multiple angle quantitative response power distribution networks are current
Level can be transformed.
3. the present invention had both considered the professional experiences of industry specialists, and the subjectivity that turn avoid deviation bigger is sentenced
Disconnected so that index weights is more accurate.
Accompanying drawing explanation
Fig. 1 is the post evaluation method schematic diagram of power distribution network reducing energy consumption project；
Fig. 2 is that power distribution network reducing energy consumption post evaluation method analyzes model structure figure；
Fig. 3 is life cycle management process evaluation subsystem structure chart；
Fig. 4 is that energy-saving effect evaluates subsystem structure chart；
Fig. 5 is that energy-conservation nargin evaluates subsystem structure chart；
Fig. 6 is evaluation of economic benefit subsystem structure chart；
Fig. 7 is that subsystem structure chart is evaluated in impact.
Specific embodiment
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing,
The present invention is described in more detail.Should be appreciated that specific embodiment described herein is only in order to solve
Release the present invention, be not intended to limit the present invention.
Below in conjunction with the accompanying drawings and the method for later evaluation is further illustrated by embodiments of the invention.
As it is shown in figure 1, the post evaluation method of power distribution network reducing energy consumption project of the present invention at least includes four
Individual step:
S1. power distribution network Energy-saving Projects later evaluation system is set up.
Described power distribution network Energy-saving Projects later evaluation system of setting up comprises the following steps:
1) determination of subsystem: by the machine operation in power distribution network synthesis quantitative appraisement model,
Equipment, the project implementation process, traffic-operating period, affect and combine the distribution feelings of power distribution network power saving capability
Condition, sets and evaluates subsystem.
Fig. 2 show one embodiment of the present of invention, and power distribution network Energy-saving Projects later evaluation system includes: complete
Life cycle evaluates subsystem, energy-saving effect evaluates subsystem, energy-conservation nargin evaluates subsystem, economic effect
Benefit evaluates subsystem, subsystem is evaluated in impact.
2) determination of pointer type: with cost type, profit evaluation model, moderate type index sorting technique for depending on
According to, according to step 1) selected evaluation subsystem selects then one-level evaluation index.
3) determination of lower floor's index: according to step 2) selected one-level evaluation index determines that other lower floors refer to
Mark.
Fig. 3 show one embodiment of the present of invention, and it is project that life cycle management evaluates subsystem scope
Whole implementation process, refers to including Pre-Stage Decision-Making, design preparation, construction, operational management one-level evaluation
Mark.Wherein, Pre-Stage Decision-Making one-level evaluation index includes: can compile carefully situation processed, amount of electricity saving predictablity rate,
Construction project regulation two-level appraisement index；Design prepares one-level evaluation index and includes: planning and designing situation,
Bidding management situation two-level appraisement index；Construction one-level evaluation index includes: construction project time management
Situation, Safety Management situation, construction quality administrative situation two-level appraisement index；Operation management one-level
Evaluation index includes: local System Construction situation, energy-saving equipment defect elimination rate, energy consumption platform service condition,
Energy-saving equipment puts into operation situation two-level appraisement index.
Fig. 4 show one embodiment of the present of invention, and the main purpose of energy-saving effect evaluation is commenting of science
Energy consumption level and equipment after valency electric network reconstruction, determine and affect the key of electrical network Energy Conservation " crux "
Place, promotes reducing energy consumption of electrical network science, refers to including service ability, equipment one-level evaluation
Mark.Wherein: service ability one-level evaluation index includes: line loss situation, power factor (PF), three-phase imbalance
Rate, rate of qualified voltage, power supply capacity lifting values two-level appraisement index；Equipment one-level evaluation index bag
Include: energy saver ratio, basic routing line length compliance rate, circuit section compliance rate, extended active duty equipment
Ratio, circuit attaching capacity two-level appraisement index.
Fig. 5 show one embodiment of the present of invention, and energy-conservation nargin evaluates subsystem assessment to be needed according to confession
Power adapts to the situation of load development, system loss and load development and judges the investment power of electrical network
Degree.With dynamics of investment as evaluation points, set up the energy-conservation nargin evaluation model towards dynamics of investment, pass through
Energy-conservation nargin evaluation reflection the science of electric grid investment decision-making, reasonability, including load growth, power supply capacity,
Power saving capability one-level evaluation index.Wherein: power supply capacity one-level evaluation index includes: electricity in the project cycle
Net power supply capacity two-level appraisement index；Load growth one-level evaluation index includes: in the project cycle, electrical network is pre-
Survey load two-level appraisement index；Power saving capability one-level evaluation index includes: in the project cycle, electric network synthetic damages
Consumption two-level appraisement index.
Fig. 6 show one embodiment of the present of invention, and evaluation of economic benefit subsystem is by evaluation of economic benefit
Benefit evaluation is combined with electric power network technique performance evaluation, the comprehensive function effect of indices is embodied in
In different classes of benefit, by the level of profitability of cost effectiveness (CE) reaction electrical network.Received by general item investment
Benefit method, period of investment recovery, benefit cost ratio method are from time index, value index, more complete than forthright index
Orientation objective evaluation electrical network reducing energy consumption project.Wherein: cost effectiveness (CE) one-level evaluation index includes: investment
Benefit ratio, investment payback time, rate of return on total investment two-level appraisement index；Returns of investment ratio, investment are reclaimed
Phase, rate of return on total investment two-level appraisement index include: increase delivery benefit, three grades of evaluations of energy-saving efficiency refer to
Mark；Increase three grades of evaluation indexes of delivery benefit to include: increase-volume dilatation increases delivery, reliability promotes to increase and supplies
Utility of Energy level Four evaluation index.
Fig. 7 show one embodiment of the present of invention, and impact evaluates subsystem assessment from whether being conducive to society
The angle that can develop, the construction of comprehensive assay project to implement to relevant social factor, environmental factors
Impact.Wherein: social influence's one-level evaluation index includes: the electric ratio of low-voltage user's ratio, product,
District's economic promotion rate, power-saving technology utilization rate two-level index；Environmental effect one-level evaluation index includes:
Ten thousand yuan of output value comprehensive energy consumption rates of descent, nuisance reduction of discharging situation, non-renewable energy resources are saved situation two grades and are referred to
Mark.
S2. level evaluation analysis model is set up.
Stepwise level evaluation analysis model is passed in employing, and this model uses linear analysis function equal to indexs at different levels
Give weighted value；Upper strata index is considered respective weights value superposition gained by lower floor's index；Indexs at different levels are layer by layer
Recursion obtains final comprehensive score.
Power distribution network reducing energy consumption is evaluated score and is used linear relationship formula to be calculated:
P1=A1×X1+A2×X2+…+An×Xn
Wherein (X1, X2..., Xn) it is index set, (A1, A2..., An) it is each index weights.
Life cycle management evaluates subsystem and each level evaluation index score all uses linear relationship formula meter
Obtain:
P1=a1×l1+a2×l2+…+an×ln
Wherein (l1, l2..., ln) it is index set, (a1, a2..., an) it is each index weights.
Energy-saving effect evaluates subsystem and each level evaluation index score all uses linear relationship formula to calculate
Obtain:
P2=b1×m1+b2×m2+…+bn×mn
Wherein (m1,m2,…,mn) it is index set, (b1,b2,…,bn) it is each index weights.
Energy-conservation nargin evaluates subsystem and each level evaluation index score all uses linear relationship formula to calculate
Obtain:
P3=c1×n1+c2×n2+…+cn×nn
Wherein (n1,n2,…,nn) it is index set, (c1,c2,…,cn) it is each index weights.
Evaluation of economic benefit subsystem and each level evaluation index score all use linear relationship formula to calculate
Obtain:
P4=d1×o1+d2×o2+…+dn×on
Wherein (o1,o2,…,on) it is index set, (d1,d2,…,dn) it is each index weights.
Subsystem is evaluated in impact and each level evaluation index score all uses linear relationship formula to be calculated:
P5=e1×p1+e2×p2+…+en×pn
Wherein (p1, p2..., pn) it is index set, (e1, e2..., en) it is each index weights.
S3. the weight of each index in evaluation system is obtained.
Delphi method is used to obtain the weight of indexs at different levels.
S4. assessment result is obtained by model analysis.
First evaluation system Zhong subordinate index being carried out calculates scoring and obtains bottom index score value；Then
Other score values at different levels are obtained according to analyzing model computational analysis layer by layer；At different levels finally according to system comment
Power distribution network Energy-saving Projects is made overall merit by score value.
It should be noted that and understand, in the feelings without departing from the spirit and scope required by the claims in the present invention
Under condition, it is possible to the present invention of foregoing detailed description is made various modifications and improvements.It is therefore desirable to protection
The scope of technical scheme do not limited by given any specific exemplary teachings.
Claims (9)
1. the post evaluation method of a power distribution network reducing energy consumption project, it is characterised in that include following step
Rapid:
S1. power distribution network Energy-saving Projects later evaluation system is set up；
S2. level evaluation analysis model is set up；
S3. the weight of each index in evaluation system is obtained；
S4. assessment result is obtained by model analysis.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 1, it is characterised in that:
Set up power distribution network Energy-saving Projects later evaluation system described in step S1 to comprise the following steps:
1) determination of subsystem: by the machine operation in power distribution network synthesis quantitative appraisement model,
Equipment, the project implementation process, traffic-operating period, affect and combine the distribution feelings of power distribution network power saving capability
Condition, sets and evaluates subsystem；
2) determination of pointer type: with cost type, profit evaluation model, moderate type index sorting technique for depending on
According to, according to step 1) selected evaluation subsystem selects one-level evaluation index；
3) determination of lower floor's index: according to step 2) selected sub-one-level evaluation index determines remaining lower floor
Index.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 2, it is characterised in that:
Described evaluation subsystem can include that life cycle management evaluates subsystem, energy-saving effect evaluates subsystem, joint
Nargin can evaluate subsystem, evaluation of economic benefit subsystem and impact evaluation subsystem.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 3, it is characterised in that:
Described each evaluation subsystem includes at least one one-level evaluation index, wherein: life cycle management evaluates daughter
System includes Pre-Stage Decision-Making, design preparation, construction, operational management one-level evaluation index；Energy-saving effect
Evaluate subsystem and include service ability, equipment one-level evaluation index；Energy-conservation nargin evaluates subsystem bag
Include load growth, power supply capacity, power saving capability one-level evaluation index；Evaluation of economic benefit subsystem includes
Cost effectiveness (CE) one-level evaluation index；Impact is evaluated subsystem and is included environmental effect, social influence's one-level evaluation
Index.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 4, it is characterised in that:
Described Pre-Stage Decision-Making one-level evaluation index includes: can compile carefully situation processed, amount of electricity saving predictablity rate, construction
Engineering regulation two-level appraisement index；Design prepares one-level evaluation index and includes: planning and designing situation, trick
Bidding management situation two-level appraisement index；Construction one-level evaluation index includes: construction project time management feelings
Condition, Safety Management situation, construction quality administrative situation two-level appraisement index；Operation management one-level is commented
Valency index includes: local System Construction situation, energy-saving equipment defect elimination rate, energy consumption platform service condition, joint
Can putting equipment in service situation two-level appraisement index；Service ability one-level evaluation index includes: line loss situation, merit
Rate factor, three-phase imbalance rate, rate of qualified voltage, power supply capacity lifting values two-level appraisement index；Equipment
Horizontal one-level evaluation index includes: energy saver ratio, basic routing line length compliance rate, circuit section reach
Mark rate, extended active duty equipment ratio, circuit attaching capacity two-level appraisement index；Power supply capacity one-level is evaluated
Index includes: electrical network power supply capacity two-level appraisement index in the project cycle；Load growth one-level evaluation index
Including: electrical network prediction load two-level appraisement index in the project cycle；Power saving capability one-level evaluation index includes:
Electric network synthetic loss two-level appraisement index in the project cycle；Cost effectiveness (CE) one-level evaluation index includes: investment
Benefit ratio, investment payback time, rate of return on total investment two-level appraisement index；Returns of investment ratio, investment are reclaimed
Phase, rate of return on total investment two-level appraisement index include: increase delivery benefit, three grades of evaluations of energy-saving efficiency refer to
Mark；Increase three grades of evaluation indexes of delivery benefit to include: increase-volume dilatation increases delivery, reliability promotes to increase and supplies
Utility of Energy level Four evaluation index；Social influence's one-level evaluation index includes: low-voltage user's ratio, product
Electricity ratio, regional economy promotion rate, power-saving technology utilization rate two-level index；Environmental effect one-level evaluation refers to
Mark includes: ten thousand yuan of output value comprehensive energy consumption rates of descent, nuisances reduce discharging situation, non-renewable energy resources saving feelings
Condition two-level index.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 1, it is characterised in that:
Level evaluation analysis model described in step S2 is for passing stepwise level evaluation analysis model, and this model uses line
Property analytic function all gives weighted value to indexs at different levels；Upper strata index is considered respective weights value by lower floor's index
Superposition gained；Indexs at different levels recursion layer by layer obtains final comprehensive score.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 1, it is characterised in that:
The method of the weight of each index in evaluation system that obtains described in step S3 is: combine typical distribution net comprehensive
Quantitative appraisement model reference code, directive/guide and expertise, obtain the weight of each level evaluation index.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 7, it is characterised in that:
Delphi method is used to obtain the weight of indexs at different levels.
Power distribution network Energy-saving Projects post evaluation method the most according to claim 1, it is characterised in that:
Obtaining the method for assessment result by model analysis described in step S4 is: first by evaluation system under
Each desired value of level index is converted to score value；Then other are obtained according to analysis model computational analysis layer by layer
Score value at different levels；Power distribution network Energy-saving Projects is made overall merit by the score values at different levels finally according to system.
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| CN106651151A (en) * | 2016-12-05 | 2017-05-10 | 国网山东省电力公司日照供电公司 | Post-evaluation method for electric energy substitute item |
| CN107103415A (en) * | 2017-04-17 | 2017-08-29 | 中国南方电网有限责任公司 | Power distribution network resource allocation method and system |
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| CN106651151A (en) * | 2016-12-05 | 2017-05-10 | 国网山东省电力公司日照供电公司 | Post-evaluation method for electric energy substitute item |
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| CN108305017A (en) * | 2018-03-06 | 2018-07-20 | 国网陕西省电力公司经济技术研究院 | A kind of analysis method of 35kV power distribution networks development model |
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