CN109784926A - A kind of virtual plant internal market method of commerce and system based on alliance's block chain - Google Patents
A kind of virtual plant internal market method of commerce and system based on alliance's block chain Download PDFInfo
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Abstract
The invention discloses a kind of virtual plant internal market method of commerce and system based on alliance's block chain.The method comprising the steps of 1: virtual plant each intersubjective Complete Information Dynamic Game model of the building based on alliance's block chain network；Step 2: solving the final Nash Equilibrium Solution of the Complete Information Dynamic Game model；Step 3: acquired final Nash Equilibrium Solution is applied in alliance's block chain network of the virtual plant, each intersubjective insider transaction of virtual plant is realized using block chain common recognition algorithm, and each intersubjective settlement of transactions of virtual plant is completed by intelligent forms of contract.Virtual plant internal market method of commerce and system provided by the invention based on alliance's block chain, alliance's block chain technology is used to provide insider transaction platform for virtual plant, using POV as common recognition algorithm, guarantee high-speed transaction and low network overhead cost while realizing decentralization.
Description
Technical field
The present invention relates to virtual plant insider transaction technical fields, more particularly to a kind of based on the virtual of alliance's block chain
Power plant's internal market method of commerce and system.
Background technique
In the case where country supports the background of clean energy resource development energetically, distributed energy is small with its capacity, cost of investment is small, easy
It is grown rapidly in the features such as installation.Important branch of the virtual plant as energy internet, can be a variety of by polymerizeing
Distributed energy realizes that it is steadily contributed or participated in electricity market operation by scheduling requirement.Existing research mostly will virtual electricity
Factory is considered as entirety, each distributed generation resource power output inside decision virtual plant, but the increasingly diversification of distributed generation resource investment subject,
So that research virtual plant insider transaction strategy is more and more important.
Current power market transaction platform is mainly provided by the third-party institution, the justice of virtual plant inside subject transaction
Credible and information open and clear property is insufficient.Block chain technology is received with its decentralization, open and clear Core Superiority
All circles' extensive concern, and show up prominently in the energy, power domain.Although the prior art studies problem:
(1) speciality for thinking block chain matches with the automatic demand response of energy local area network, proposes the automatic demand based on block chain
The decentralization control of electric power energy in energy local area network may be implemented in response.(2) it is participated in for multiple entity under commercialization scene
Assisted hatching present in transaction security Creditability Problems, utilize block chain technology with lower cost ensure safety, close
Method, effective transaction.(3) it is handed in view of the integration requirement side response of energy dispersive city off field participates in market in demand response resource
The problem of easy, realizes non-stop layer price based on block chain technology.(4) it proposes block chain technical application is straight to large user
In power purchase, decentralization, intelligence and the contract of straight power purchase process of exchange are realized.The studies above is effective using block chain technology
It solves the problems, such as that centralization present in electricity power industry is obvious, but does not consider that energy internet interior joint quantity is excessive
Caused by the block chain transaction rate problem big with network overhead cost slowly.By qualitative analysis block chain in micro-capacitance sensor, garden
Cost and speed in the transaction of area's energy, quantitative analysis block spread speed, it is indicated that with increasing for transaction agent quantity, block
Chain transaction rate will be unable to meet demand, and transaction cost will greatly increase, and need to replace publicly-owned chain using alliance's chain at this time.
Summary of the invention
The present invention provides a kind of virtual plant internal market method of commerce and system based on alliance's block chain, using alliance
Block chain technology provides insider transaction platform for virtual plant, using POV as common recognition algorithm, protects while realizing decentralization
Demonstrate,prove high-speed transaction and low network overhead cost.
To achieve the above object, the present invention provides following schemes:
A kind of virtual plant internal market method of commerce based on alliance's block chain comprising the steps of:
Step 1: virtual plant each intersubjective Complete Information Dynamic Game model of the building based on alliance's block chain network；
Step 2: solving the final Nash Equilibrium Solution of the Complete Information Dynamic Game model；
Step 3: acquired final Nash Equilibrium Solution being applied in alliance's block chain network of the virtual plant, is used
Block chain common recognition algorithm realizes each intersubjective insider transaction of virtual plant, and completes the void by intelligent forms of contract
Quasi- each intersubjective settlement of transactions of power plant.
Optionally, the block chain common recognition algorithm is POV common recognition algorithm.
Optionally, the step 1: virtual plant each intersubjective Complete Information of the building based on alliance's block chain network is dynamic
State betting model, specifically includes:
Using uncontrollable distributed generation resource, distributed energy storage and the intelligent load in the virtual plant as in game side
Three participants, and determine uncontrollable distributed generation resource set, distributed energy storage set and intelligent load aggregation；
Determine the set of strategies of the set of strategies of uncontrollable distributed generation resource, the set of strategies of distributed energy storage and intelligent load；
Determine the effectiveness letter of the revenue function of uncontrollable distributed generation resource, the revenue function of distributed energy storage and intelligent load
Number, to establish the intersubjective Complete Information Dynamic Game model of the virtual plant.
Optionally, the step 2: solving the final Nash Equilibrium Solution of the Complete Information Dynamic Game model, specific to wrap
It includes:
The set of strategies of the set of strategies of uncontrollable distributed generation resource, the set of strategies of distributed energy storage and intelligent load is carried out just
Beginningization；
The distributed energy storage in virtual plant in addition to uncontrollable distributed generation resource and the strategy of intelligent load are remained unchanged,
The revenue function of uncontrollable distributed generation resource is calculated according to strategy selected by the uncontrollable distributed generation resource, according to meter
Calculate whether result judgement reaches Nash Equilibrium Solution；If reached, and termination condition compares, then when reaching termination condition
Terminate iteration；Continue selection strategy if not reaching, and calculates the revenue function value of uncontrollable distributed generation resource, Zhi Daoqiu
Obtaining currently optimal Nash Equilibrium Solution is the final Nash Equilibrium Solution for reaching termination condition；
The uncontrollable distributed generation resource in virtual plant in addition to distributed energy storage and the strategy of intelligent load are remained unchanged,
It is calculated according to revenue function of the strategy selected by the distributed energy storage to distributed energy storage, is according to calculated result judgement
No arrival Nash Equilibrium Solution；If reached, and termination condition compares, and then terminates iteration when reaching termination condition；Such as
Fruit does not reach, and continues selection strategy, and calculates the revenue function value of distributed energy storage, until acquire it is current it is optimal receive it is assorted
Weighing apparatus solution is the final Nash Equilibrium Solution for reaching termination condition；
Remain unchanged the strategy of uncontrollable distribution power and distributed energy storage in virtual plant in addition to intelligent load, root
The revenue function of intelligent load is calculated according to strategy selected by the intelligent load, determines whether to reach according to calculated result
Nash Equilibrium Solution；If reached, and termination condition compares, and then terminates iteration when reaching termination condition；If no
Reach, continue selection strategy, and the utility function value of computational intelligence load, is until acquiring current optimal Nash Equilibrium Solution
Reach the final Nash Equilibrium Solution of termination condition.
Optionally, acquired final Nash Equilibrium Solution the step 3: is applied to alliance's block chain of the virtual plant
In network, the intersubjective insider transaction of virtual plant is realized using block chain common recognition algorithm, and complete by intelligent forms of contract
Settlement of transactions between each main body of virtual plant, specifically includes:
Effectively transaction block is generated using POV common recognition algorithm, completes each intersubjective insider transaction of the virtual plant；
Each intersubjective insider transaction of the virtual plant is completed into settlement of transactions by way of intelligent contract.
Optionally, effectively transaction block is generated using POV common recognition algorithm, completes each intersubjective inside of the virtual plant
Transaction, specifically includes:
(1) each main body of the virtual plant becomes N by real-name authenticationCA supervisor person, the NCA supervisor person is by ballot
Elect the high N that wins the votebHouse keeper of a supervisor person as the tenure period；
(2) each main body of all virtual plants in alliance's chain generates the number of deals with itself signature in process of exchange
According to, while also can receive transaction data, if the transaction data that verifying receives is effective, transaction data is transmitted to supervisor
Member and house keeper；
(3) house keeper's monitoring trading data and by licit traffic data storage into trading pit；
(4) when each tenure period starts, function is called to generate random number R, the house keeper that number is R is designated to generate effective
Block, if generating first block that effective block is the tenure period, random number R is defaulted as zero；
(5) house keeper that number is R takes out Transaction Information from trading pit, Transaction Information is packaged into a block, by block
It is sent to all supervisor persons；
(6) after all supervisor persons receive a block, the data in block are verified, if agreeing to generate this block,
Signature is simultaneously sent back to the house keeper numbered as R by signature block head.
(7) house keeper that the number is R receives at least NCAfter/2+1 signature, this complete effective block is published to net
Network, and illegal transaction is deleted from trading pit, while function being called to obtain the random number R of next round common recognition, start next round
Common recognition；
(8) it holds a post after each main body of virtual plant all completes insider transaction end cycle, a tenure period completes B altogetherw+
1 wheel common recognition, and generate Bw+ 1 effective block.
A kind of virtual plant internal market transaction system based on alliance's block chain, including distributed energy module, intelligence
Loading module, intelligent contract production module, sale of electricity side chain transaction, Demand-side chain transaction and block chain database, the distribution
Energy module is the sale of electricity main body in electricity market, can independently determine sale of electricity quotation, sale of electricity electricity；Intelligent loading module is electricity
Power purchase main body in power market can independently determine power purchase quotation, power purchase electricity；The distributed energy module, intelligent load
Module is wirelessly connected by sale of electricity side chain transaction, Demand-side chain transaction and the block chain database respectively, described
Intelligent contract generation module determines the polygon transaction letter of sale of electricity/Demand-side chain transaction for recording information in block chain database
Breath generates final transaction contract.
Optionally, the distributed energy module includes uncontrollable distributed generation resource, controlled distribution formula power supply and distribution
Energy storage, the uncontrollable distributed generation resource, controlled distribution formula power supply, distributed energy storage respectively by sale of electricity side chain transaction with
The block chain database is wirelessly connected.
The technology compared with prior art, has the following beneficial effects:
A kind of virtual plant internal market method of commerce and system based on alliance's block chain, it is contemplated that inside virtual plant
The problems such as main body centralization existing when trading is obvious, fair with a low credibility, is calculated based on alliance's block chain technology and POV common recognition
Method, while just believable decentralization transaction platform is provided, guarantee process of exchange high-speed and low network overhead at
This.The virtual plant inside subject transaction frame under alliance's block chain and alliance's block chain is analyzed first, it is basic herein
On, the Complete Information Dynamic Game model in the virtual plant inside subject transaction based on demand response is constructed, with intensified learning
Algorithm is completed to solve, and numerical results show under the decentralization transaction platform constructed by alliance's block chain, inside virtual plant
Each main body can reach number one maximization by Complete Information Dynamic Game, and intelligent load may be implemented automatic demand and ring
It answers, while each main body Transaction Information full storage is in alliance's block chain.
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that the process of virtual plant internal market method of commerce of the embodiment of the present invention based on alliance's block chain is illustrated
Figure；
Fig. 2 is the structural representation of virtual plant internal market transaction system of the embodiment of the present invention based on alliance's block chain
Figure；
Fig. 3 is the structural schematic diagram of six node virtual power plant system of the embodiment of the present invention；
Fig. 4 is each main body gambling process of the 8th Pan Xu power plant of the embodiment of the present invention；
Fig. 5 is the utility function illustraton of model of intelligence of embodiment of the present invention load；
Fig. 6 is the transformational relation figure of four kinds of identity of network participants in POV of embodiment of the present invention common recognition algorithm；
Fig. 7 is the common recognition illustraton of model in network participants tenure period in POV of embodiment of the present invention common recognition algorithm；
The schematic diagram that Fig. 8 generates for block of effectively trading in POV of embodiment of the present invention common recognition algorithm；
Fig. 9 is the transaction tree of six transaction of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of virtual plant internal market method of commerce and system based on alliance's block chain, using alliance
Block chain technology provides insider transaction platform for virtual plant, using POV as common recognition algorithm, protects while realizing decentralization
Demonstrate,prove high-speed transaction and low network overhead cost.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is that the process of virtual plant internal market method of commerce of the embodiment of the present invention based on alliance's block chain is illustrated
Figure, as shown in Figure 1, a kind of virtual plant internal market method of commerce based on alliance's block chain comprising the steps of:
Step 1: virtual plant each intersubjective Complete Information Dynamic Game model of the building based on alliance's block chain network；
Step 2: solving the final Nash Equilibrium Solution of the Complete Information Dynamic Game model；
Step 3: acquired final Nash Equilibrium Solution being applied in alliance's block chain network of the virtual plant, is used
Block chain common recognition algorithm realizes each intersubjective insider transaction of virtual plant, and completes the void by intelligent forms of contract
Quasi- each intersubjective settlement of transactions of power plant.
The block chain common recognition algorithm is POV common recognition algorithm.
The step 1: virtual plant each intersubjective Complete Information Dynamic Game of the building based on alliance's block chain network
Model specifically includes:
Using uncontrollable distributed generation resource, distributed energy storage and the intelligent load in the virtual plant as in game side
Three participants, and determine uncontrollable distributed generation resource set, distributed energy storage set and intelligent load aggregation；
Determine the set of strategies of the set of strategies of uncontrollable distributed generation resource, the set of strategies of distributed energy storage and intelligent load；
Determine the effectiveness letter of the revenue function of uncontrollable distributed generation resource, the revenue function of distributed energy storage and intelligent load
Number, to establish the intersubjective Complete Information Dynamic Game model of the virtual plant.
Virtual plant can divide single-throw money and more investment subject modes by main body difference, throw with the large-scale development of DER more
Providing subject mode becomes development trend.Under more investment subject modes, virtual plant inside DER main body and intelligent load main body are all
Target is turned to pursue number one maximum, therefore the transaction of virtual plant generation assets can use betting model, transaction is flat
Platform is provided by alliance's block chain.Game mainly includes following element:
(1) game side
Game side is each main body in virtual plant, is divided into controlled distribution formula power supply, uncontrollable distributed generation resource, energy storage and intelligence
It can load.Controlled distribution formula power supply is generally small-load generators, simultaneously participates in the scarce capacity of energy market and electric reserve market, because
The controlled distribution formula power supply of this this paper is only involved in electric reserve market, is not involved in energy market, does not consider it as game side herein.No
Controlled distribution formula power supply set is denoted as ΓDGR={ DGR1,DGR2,···,DGRn, energy storage set is denoted as ΓEN={ EN1,
EN2,···,ENn, intelligent load aggregation is denoted as Γload={ load1,load2, loadn, game side's set can be obtained
For
(2) game strategy is omited
The strategy of DER can be the bidding strategies collection { γ of pricing and electricity of tradingit,Qit, γitAnd QitIt indicates i-th
Competitive bidding electricity price and electricity of the DER in time interval t.The set of strategies of intelligent load is { λit,Xit, λitAnd XitIndicate that intelligence is negative
Purchase electricity price and electricity consumption of the lotus i in each time period t.
(3) revenue function
1) uncontrollable DG earnings pattern
Uncontrollable DG is made of new energy such as distributed photovoltaic, wind-powered electricity generations, revenue function are as follows:
In formula, FPSFor power selling income；FPBFor new energy subsidy；CP1For cost of electricity-generating；CP2For post-installation review cost, power
Variation and prediction error need to pay the corresponding punishment amount of money when being more than prescribed limit.
2) energy storage earnings pattern
Energy storage revenue function are as follows:
ωE=FE-CE1-CE2
In formula, FEIt indicates to participate in the income that ancillary service obtains, CE1Indicate the purchases strategies of energy storage, CE2Indicate operation and maintenance
Cost.FE、CB1Specific calculating is as follows respectively:
In formula, cREFor the spare income of unit, cPEIndicate unit peak regulation income, QE,tFor t period energy storage electricity, QE,PE,t
Indicate that the energy storage of t period participates in peak regulation power, QE1t、λERespectively t period energy storage purchase electricity and unit purchases strategies.
3) intelligent load earnings pattern
To make demand response model preferably meet the needs of revenue function, this paper demand response model selects utility function
Model, as shown in figure 5, the hatched area that ordinate marginal utility and abscissa unit time electricity consumption are surrounded is intelligence
The practical electricity consumption benefit of load.
Intelligent load revenue function are as follows:
In formula, ptFor the electricity consumption of t period, xtFor power purchase price, U (pt) it is that intelligent load is used in t moment intelligence load
Electricity is ptWhen utility function value.
(4) Nash Equilibrium Solution
Nash Equilibrium Solution is game optimal solution, at this time best plan of each game strategy slightly both for other game sides
Slightly.Seeking Nash Equilibrium Solution can be used following iterative process:
1) set of strategies is initialized, with { S1,S2, SnIndicate each main body policy space in virtual plant, sij∈SiFor
J-th of strategy of i-th of main body.
2) strategy of other main bodys is constant in addition to the i-th main body in fixed virtual plant, searches for the optimal plan of i-th of main body
Slightly.
3) optimal policy that step 2) searches for other virtual plant main bodys is repeated.
4) step 2) is repeated with 3), and until reaching Nash Equilibrium, i.e., no any main body can be to change itself tactful side
Formula obtains more Multi benefit.
The step 2: the final Nash Equilibrium Solution of the Complete Information Dynamic Game model is solved, is specifically included:
The set of strategies of the set of strategies of uncontrollable distributed generation resource, the set of strategies of distributed energy storage and intelligent load is carried out just
Beginningization；
The distributed energy storage in virtual plant in addition to uncontrollable distributed generation resource and the strategy of intelligent load are remained unchanged,
The revenue function of uncontrollable distributed generation resource is calculated according to strategy selected by the uncontrollable distributed generation resource, according to meter
Calculate whether result judgement reaches Nash Equilibrium Solution；If reached, and termination condition compares, then when reaching termination condition
Terminate iteration；Continue selection strategy if not reaching, and calculates the revenue function value of uncontrollable distributed generation resource, Zhi Daoqiu
Obtaining currently optimal Nash Equilibrium Solution is the final Nash Equilibrium Solution for reaching termination condition；
The uncontrollable distributed generation resource in virtual plant in addition to distributed energy storage and the strategy of intelligent load are remained unchanged,
It is calculated according to revenue function of the strategy selected by the distributed energy storage to distributed energy storage, is according to calculated result judgement
No arrival Nash Equilibrium Solution；If reached, and termination condition compares, and then terminates iteration when reaching termination condition；Such as
Fruit does not reach, and continues selection strategy, and calculates the revenue function value of distributed energy storage, until acquire it is current it is optimal receive it is assorted
Weighing apparatus solution is the final Nash Equilibrium Solution for reaching termination condition；
Remain unchanged the strategy of uncontrollable distribution power and distributed energy storage in virtual plant in addition to intelligent load, root
The revenue function of intelligent load is calculated according to strategy selected by the intelligent load, determines whether to reach according to calculated result
Nash Equilibrium Solution；If reached, and termination condition compares, and then terminates iteration when reaching termination condition；If no
Reach, continue selection strategy, and the utility function value of computational intelligence load, is until acquiring current optimal Nash Equilibrium Solution
Reach the final Nash Equilibrium Solution of termination condition.Termination condition includes the termination function of setting, is optimal for judging whether
Nash Equilibrium Solution.
During demand response, intelligent load obtains electricity price information by alliance's chain, optimizes electricity consumption according to electricity price autonomy
Behavior.The adjustment of intelligent load electricity consumption behavior influences net power and supply and demand ratio in turn again, so that electricity price changes.Above-mentioned mistake
Journey constantly repeats, and stops when electricity price and intelligent load electricity consumption behavior all no longer variations.Under this mode, Price Mechanisms and demand
Dynamic regulation is realized between resource response, obtains making while receiving electricity price by all main bodys the electricity consumption behavior of intelligent load electric herein
It is optimal on the basis of valence.On the basis of intensified learning betting model derivation algorithm, guaranteed using sequential agreed-upon price function each rich
Overall interests are taken into account when the side's of playing chess decision, make appropriate concession.Detailed process is as follows:
During repeated game, R takes turns the tactful s of game side iimIt is selected, then it is taken turns in R+1, to any strategy sij's
It is inclined to index more new formula are as follows:
Wherein, r is forgetting factor, pi,m(R) income taken turns for game side i in R, e is empirical parameter.
According to sequential agreed-upon price function, game side i refuses the probability P of game side j strategyij(I) are as follows:
In formula, s0Indicate stimulation constant；I indicates game side's income reduction amount；Indicate just noticeable difference.It is rich
The side of playing chess i receives the strategy of game side j in the case where income reduction amount is lower than just noticeable difference, when the rising of income reduction amount, wins
The probability of the strategy of the side of playing chess i refusal game side j also increases, until saturation.
In the case that strategy is not rejected, according to tendency index, again when selection strategy, any strategy sijSelected
Probability are as follows:
Wherein, c' is cooling ratio, and size determines tendency index to the influence degree of select probability.
The step 3: acquired final Nash Equilibrium Solution is applied in alliance's block chain network of the virtual plant,
The intersubjective insider transaction of virtual plant is realized using block chain common recognition algorithm, and virtual plant is completed by intelligent forms of contract
Settlement of transactions between each main body, specifically includes:
Effectively transaction block is generated using POV common recognition algorithm, completes each intersubjective insider transaction of the virtual plant；
Each intersubjective insider transaction of the virtual plant is completed into settlement of transactions by way of intelligent contract.
Effectively transaction block is generated using POV common recognition algorithm, each intersubjective insider transaction of the virtual plant is completed, has
Body includes:
(1) each main body of the virtual plant becomes N by real-name authenticationCA supervisor person, the NCA supervisor person is by ballot
Elect the high N that wins the votebHouse keeper of a supervisor person as the tenure period；
(2) each main body of all virtual plants in alliance's chain generates the number of deals with itself signature in process of exchange
According to, while also can receive transaction data, if the transaction data that verifying receives is effective, transaction data is transmitted to supervisor
Member and house keeper；
(3) house keeper's monitoring trading data and by licit traffic data storage into trading pit；
(4) when each tenure period starts, function is called to generate random number R, the house keeper that number is R is designated to generate effective
Block, if generating first block that effective block is the tenure period, random number R is defaulted as zero；
(5) house keeper that number is R takes out Transaction Information from trading pit, Transaction Information is packaged into a block, by block
It is sent to all supervisor persons；
(6) after all supervisor persons receive a block, the data in block are verified, if agreeing to generate this block,
Signature is simultaneously sent back to the house keeper numbered as R by signature block head.
(7) house keeper that the number is R receives at least NCAfter/2+1 signature, this complete effective block is published to net
Network, and illegal transaction is deleted from trading pit, while function being called to obtain the random number R of next round common recognition, start next round
Common recognition；
(8) it holds a post after each main body of virtual plant all completes insider transaction end cycle, a tenure period completes B altogetherw+
1 wheel common recognition, and generate Bw+ 1 effective block.
Wherein, the 1-B of completionwWheel knows together and generates BwA common effective block, Bw+ 1 wheel common recognition, supervisor person update
Scoring list to house keeper candidate, vote by ballot generate the special block B comprising vote informationw+1。
Voting process is specific as follows:
1) house keeper i sends ballot request to all supervisor persons.
2) after collecting and counting ballot paper, house keeper i generates the special block for having election results and relative recording.
3) block is sent to all supervisor persons and verified by house keeper i.
The vote information of supervisor person is combined by two kinds of ballot papers:
1. obtaining lotting: each supervisor person has a list to record the score of house keeper candidate, before selecting score to come
The candidate of column.
2. specific ticket: for the mobility for improving house keeper, supervisor person is arranged specific candidate according to human factor and gathers, or
One Random candidate people set is set.
By above-mentioned alliance's block chain mechanism, each main body passes through the different bodies in selection alliance's block chain in virtual plant
Part, decentralization function mode is realized, so that the selection of virtual generation assets, transaction and demand response justice are credible.
Fig. 2 is the structural representation of virtual plant internal market transaction system of the embodiment of the present invention based on alliance's block chain
Figure, as shown in Fig. 2, a kind of virtual plant internal market transaction system based on alliance's block chain, including distributed energy module
1, intelligent loading module 5, intelligent contract production module, sale of electricity side chain transaction 2, Demand-side chain transaction 4 and block chain database 3,
The distributed energy module 1 is the sale of electricity main body in electricity market, can independently determine sale of electricity quotation, sale of electricity electricity；Intelligence
Loading module 5 is the power purchase main body in electricity market, can independently determine power purchase quotation, power purchase electricity；The distributed energy
Module 1, intelligent loading module 5 pass through sale of electricity side chain transaction 2, Demand-side chain transaction 4 and the block chain database 3 respectively
It is wirelessly connected, the intelligence contract generation module determines sale of electricity/demand for recording information in block chain database 3
Chain transaction polygon Transaction Information in side generates final transaction contract.The distributed energy module 1 includes uncontrollable distributed electrical
Source, controlled distribution formula power supply and distributed energy storage, the uncontrollable distributed generation resource, controlled distribution formula power supply, distributed energy storage
It is wirelessly connected respectively by sale of electricity side chain transaction 2 and the block chain database 3.The intelligence loading module 5 wraps
Intelligent resident load and intelligent industrial load are included, the intelligence resident load 11, intelligent industrial load 12 pass through the purchase respectively
Electric side chain transaction 4 is wirelessly connected with the block chain database 3.
Virtual plant technology be it is a kind of polymerization and coordinate and optimize distributed power generation, energy-storage system, controllable burden, electric car
The advanced technology of the distributed energy (DER).Wind turbines 6, conventional power unit 7, distributed energy storage 8, electric car 9, photovoltaic machine
The composition virtual plants such as group 10, intelligent resident load 11, intelligent industrial load 12, wherein intelligent resident load 11, intelligent industrial
Load 12 is the supplier of demand response.Respectively forming main body all in virtual plant is a member in alliance's chain, by alliance's chain member's body
Part transformation rule, each main body can be corresponded to as supervisor person, house keeper, house keeper candidate and ordinary user.One of house keeper appoints
In the duty period, house keeper's number of candidates NbcTypically larger than house keeper's number NbIf Nbc< Nb, supervisor person, which passes through to recommend oneself, augments house keeper's time
It chooses quantity.When meeting condition Nbc≥NbWhen, supervisor person votes to first house keeper, and original block is written in initial information,
Then start normally to hold a post the period.
Fig. 3 is the structural schematic diagram of six node virtual power plant system of the embodiment of the present invention, as shown in figure 3, sending out comprising diesel oil
Two, motor, it is denoted as G1~G2, is only involved in electric reserve market, is not involved in energy market；System includes two Fans, respectively blower
13 and blower 15, it is denoted as DG1~DG2 respectively, capacity is respectively 160kW and 100kW；Photovoltaic array 20 and photovoltaic array 16, note
For DG3~DG4, capacity is respectively 150kW and 120kW；Energy-storage units 14 are denoted as E1, capacity 180kW；Three groups of intelligent load,
Respectively intelligent industrial load 19 and intelligent load 18, are denoted as L1~L2, Intelligent Business load 17 is denoted as L3 respectively.Government is mended
Paste honourable average unit price be 0.335 yuan/(kWh), average 0.75 yuan of cost of electricity-generating/(kWh) of scene.Wherein, DG1~DG4,
E1, L1~L3 become supervisor person by real-name authentication, and during a certain wheel common recognition, DG2, DG4, L1 are by all supervisor persons'
Become house keeper after vote by ballot, number is respectively 0,1,2.At the end of last round of common recognition house keeper call function generate random number be
0, it is responsible for generating block by numbering the house keeper DG2 for being 0 during epicycle common recognition.DG1~DG4, E1, L1~L3 gambling process
In, the bidding strategies collection of each main body is finally determined by nitrification enhancement.After epicycle game, DG1, DG3 and L2 reach
Transaction, corresponding wheel common recognition terminate, and an effective block generates.House keeper DG2, DG4, L1 monitoring trading data are simultaneously in the process
By the storage of licit traffic data into trading pit, house keeper DG2 takes out Transaction Information from trading pit, is wrapped into a block,
Block is sent to all supervisor persons, after supervisor person receives a block, verifies the data in block, if agreeing to generate this
Block then signs block head and signature is sent back to house keeper.After house keeper receives at least five signature, by this complete effective block
It is published to network, and deletes illegal transaction from trading pit, while function being called to obtain the random number R of next round common recognition, is started
The common recognition of next round.
Fig. 4 is each main body gambling process of the 8th Pan Xu power plant of the embodiment of the present invention, as shown in figure 4, in bilateral contract market
The Forgetting coefficient empirical parameter of (assuming that being settled accounts by the period of the moon), uncontrollable DG and energy storage and the initial value for being inclined to coefficient Q
Respectively 0.03,0.97,5000；The nitrification enhancement Forgetting coefficient of intelligent load, empirical parameter and tendency coefficient Q it is initial
Value is respectively 0.021,0.979,6000；It is influenced caused by randomness in learning process to exclude nitrification enhancement, carries out 8
Office's emulation, every innings 1500 wheel, wherein each main body gambling process is as shown in figure 4, each main body of virtual plant inside the 8th innings of virtual plant
Situation of Profit in 8 innings of emulation is as shown in table 1.As can be known from Fig. 4, game early period, each virtual plant main body is to game strategies
Decision randomness it is larger, profit fluctuation is stronger；Game mid-term, certain strategy that each main body obtains maximization profit are selected general
Rate is gradually increased, so that decision randomness becomes smaller, profit fluctuation dies down；Game is final, and each virtual plant main body is in extensive chemical
Under the guidance for practising algorithm, it is determined that relatively reasonable game strategies, profit no longer fluctuate, and reach equilibrium state.It can be with from following table
Find out that each main body situation of Profit of virtual plant, each virtual plant main body income random fluctuation by a small margin, but overall trend are stablized.
L1, L2, L3 tri- intelligent load main bodys obtain corresponding compensation after automatic demand response, wherein industrial intelligent load L2 ratio
Industrial intelligent load L1 income is high, the reason is that the automatic demand response ability of L2 is more preferable, Fig. 9 is the transaction tree of six transactions.
Fig. 6 is the transformational relation figure of four kinds of identity of network participants in POV of embodiment of the present invention common recognition algorithm, such as Fig. 6
Shown, there are four types of different secure identities for the network participants in POV common recognition: Zhu Guanyuan, house keeper, house keeper candidate, common use
Family.Ordinary user can become a supervisor person as long as through real-name authentication in a network.Each supervisor person have the right to house keeper into
The obligation that row is recommended, votes and assesses, and undertake verifying, forward block and transaction.One node can be simultaneously supervisor person and
House keeper, house keeper's number of nodes is limited, is randomly assigned generation block in the tenure period, calculates power without waste and grabs production block
Right receives new round election again after the term of office.The design of house keeper separates franchise with executive power, the responsible throwing of supervisor person
Ticket, house keeper are responsible for generating block.To become a house keeper to need first to become house keeper candidate, then by supervisor person's vote by ballot.If
House keeper candidate is defeated in election, is positively retained at linear state waiting and elects next time.Although ordinary user cannot participate in block
The process of generation can but participate in block distribution and message forwarding, and see entire common recognition process, and its by the service of system
Behavior can be arbitrary, and can be added or be exitted network at any time in the case where without permission.
Fig. 7 is the common recognition illustraton of model in network participants tenure period in POV of embodiment of the present invention common recognition algorithm, such as Fig. 7 institute
Show, it is assumed that supervisor person's number is NC, house keeper's number is Nb, house keeper's candidate number is Nbc, ordinary user's number is No, all roles
Sum be Nall.Node can have dual identity, therefore Nall≤NC+Nb+Nbc.In the term of office, distributes one 0 and arrive to each house keeper
NbNumber between -1.If house keeper's term of office is TW, and there is B in each term of officeW+ 1 block generates.The last one block is to include
The special block of election results and relative recording.House keeper needs allowing time TbAn area is generated in (block is packaged the period)
Block.
One effective block of every generation, referred to as one wheel common recognition.At the end of every wheel common recognition, house keeper calls function to generate one
Random number R (0≤R < Nb), number is designated to generate next block equal to the house keeper of R.Receiving at least Nc/ 2+1 never
After locating the signature sent with supervisor person, a block just becomes effective block.If time TbIt does not generate effective block inside, then numbers
The block will be regenerated for the house keeper of R+1, and allows R=R+1.As R+1 > NbWhen, then R increases since 0.If at least one
Name house keeper can work normally, and network may finally reach common understanding, because only one block can connect in a packing period
Receive at least Nc/ 2+1 signature, so that each effective block has termination property, and block chain will not bifurcated.The period hold a post most
Latter wheel common recognition will generate special block Bw+ 1, this time in common recognition, incumbent house keeper and house keeper candidate are competing in the next round term of office
Select new house keeper.Every supervisor person provides a ballot list, and win the vote highest NbA candidate wins election, election results and phase
It closes record and special block is written.After taking turns special common recognition herein, current house keeper's retirement, new house keeper starts the work of the new round term of office.
Every wheel term of office shares Bw+ 1 wheel common recognition, generates Bw+ 1 block.
House keeper candidate can abandon the identity of oneself at any time, when it is exited, if retrieval is protected without any record of bad behavior
Card gold.If house keeper applies exitting network during one's term of office, guarantee fund can not be fetched.The stipulated time section after, house keeper according to
The effective block quantity of generation obtains corresponding alliance's fund reward, and such incentive mechanism can excite its operation power, make it
Presence and sincere work are kept for a long time.
The schematic diagram that Fig. 8 generates for block of effectively trading in POV of embodiment of the present invention common recognition algorithm, as shown in figure 8, when void
A transaction is successfully reached by game between each main body in quasi- power plant, i.e., corresponding wheel common recognition terminates, and an effective block generates.
One wheel common recognition may need M packing cycle TbIf house keeper is in TbFail to generate effective block in time, then this block produces
Permission will transfer house keeper i+1.One wheel common recognition total time was Tc=M*Tb(1≤M≤Nb), digital M indicates to abandon in a wheel common recognition
M-1 invalid blocks.As M≤NbWhen comprising the steps of:
(1) each main body of all virtual plants in alliance's chain generates the number of deals with itself signature in process of exchange
According to, while also can receive transaction data, if the transaction data that verifying receives is effective, transaction data is transmitted to supervisor
Member and house keeper；
(2) house keeper's monitoring trading data and by licit traffic data storage into trading pit；
(3) when each tenure period starts, the number M=1 for being packaged the period is enabled, function is called to generate random number R；If generating
Block be first block of the house keeper in the term of office, then previous block be previous round house keeper hold a post the period the last one have
Imitate special block；If the block generated is first block of alliance's block chain, R is defaulted as zero,
(4) house keeper i=R takes out Transaction Information from trading pit, is wrapped into a block, block is sent to all masters
Guan Yuan, the deadline which generates are Tcut；
(5) after supervisor person receives a block, the data in block are verified, if agreeing to generate this block, are signed
Signature is simultaneously sent back to house keeper by block head；
(6) at least N is receivedCAfter/2+1 signature, house keeper obtains the timestamp information signed by ntp server, if the time
In TcutBefore, house keeper calculates R value, is written into block and signs, to prove that the producer is house keeper, then house keeper will completely have
Effect block is published to network, and jumps to (8) step；
(7) if the time is more than Tcut, then the block becomes invalid block, enables R=R+1, M is incremented by, and jumps to (4)
Step；
(8) after receiving effective block, house keeper deletes illegal transaction from trading pit, obtains the random number R of effective block simultaneously
Start the common recognition of next round.
A kind of virtual plant internal market method of commerce and system based on alliance's block chain, it is contemplated that inside virtual plant
The problems such as main body centralization existing when trading is obvious, fair with a low credibility, is calculated based on alliance's block chain technology and POV common recognition
Method, while just believable decentralization transaction platform is provided, guarantee process of exchange high-speed and low network overhead at
This.The virtual plant inside subject transaction frame under alliance's block chain and alliance's block chain is analyzed first, it is basic herein
On, the Complete Information Dynamic Game model in the virtual plant inside subject transaction based on demand response is constructed, with intensified learning
Algorithm is completed to solve, and numerical results show under the decentralization transaction platform constructed by alliance's block chain, inside virtual plant
Each main body can reach number one maximization by Complete Information Dynamic Game, and intelligent load may be implemented automatic demand and ring
It answers, while each main body Transaction Information full storage is in alliance's block chain.The present invention provides a kind of void based on alliance's block chain
Quasi- power plant internal market method of commerce and system, use alliance's block chain technology to provide insider transaction platform for virtual plant, with
POV guarantees high-speed transaction and low network overhead cost as common recognition algorithm while realizing decentralization.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of virtual plant internal market method of commerce based on alliance's block chain, which is characterized in that comprise the steps of:
Step 1: virtual plant each intersubjective Complete Information Dynamic Game model of the building based on alliance's block chain network；
Step 2: solving the final Nash Equilibrium Solution of the Complete Information Dynamic Game model；
Step 3: acquired final Nash Equilibrium Solution being applied in alliance's block chain network of the virtual plant, using block
Chain common recognition algorithm realizes each intersubjective insider transaction of virtual plant, and completes the virtual electricity by intelligent forms of contract
Each intersubjective settlement of transactions of factory.
2. the virtual plant internal market method of commerce according to claim 1 based on alliance's block chain, which is characterized in that
The block chain common recognition algorithm is POV common recognition algorithm.
3. the virtual plant internal market method of commerce according to claim 1 based on alliance's block chain, which is characterized in that
The step 1: virtual plant each intersubjective Complete Information Dynamic Game model of the building based on alliance's block chain network, specifically
Include:
Using uncontrollable distributed generation resource, distributed energy storage and the intelligent load in the virtual plant as three in game side
Participant, and determine uncontrollable distributed generation resource set, distributed energy storage set and intelligent load aggregation；
Determine the set of strategies of the set of strategies of uncontrollable distributed generation resource, the set of strategies of distributed energy storage and intelligent load；
Determine the utility function of the revenue function of uncontrollable distributed generation resource, the revenue function of distributed energy storage and intelligent load,
To establish the intersubjective Complete Information Dynamic Game model of the virtual plant.
4. the virtual plant internal market method of commerce according to claim 1 based on alliance's block chain, which is characterized in that
The step 2: the final Nash Equilibrium Solution of the Complete Information Dynamic Game model is solved, is specifically included:
The set of strategies of the set of strategies of uncontrollable distributed generation resource, the set of strategies of distributed energy storage and intelligent load is carried out initial
Change；
The distributed energy storage in virtual plant in addition to uncontrollable distributed generation resource and the strategy of intelligent load are remained unchanged, according to
Strategy selected by the uncontrollable distributed generation resource calculates the revenue function of uncontrollable distributed generation resource, ties according to calculating
Fruit determines whether to reach Nash Equilibrium Solution；If reached, and termination condition compares, and then terminates when reaching termination condition
Iteration；Continue selection strategy if not reaching, and calculate the revenue function value of uncontrollable distributed generation resource, works as until acquiring
Preceding optimal Nash Equilibrium Solution is the final Nash Equilibrium Solution for reaching termination condition；
The uncontrollable distributed generation resource in virtual plant in addition to distributed energy storage and the strategy of intelligent load are remained unchanged, according to
Strategy selected by the distributed energy storage calculates the revenue function of distributed energy storage, is determined whether according to calculated result
Up to Nash Equilibrium Solution；If reached, and termination condition compares, and then terminates iteration when reaching termination condition；If not yet
Have and reach, continue selection strategy, and calculate the revenue function value of distributed energy storage, until acquiring current optimal Nash Equilibrium Solution
As reach the final Nash Equilibrium Solution of termination condition；
Remain unchanged the strategy of uncontrollable distribution power and distributed energy storage in virtual plant in addition to intelligent load, according to institute
It states strategy selected by intelligent load to calculate the revenue function of intelligent load, it is assorted to determine whether that arrival is received according to calculated result
Equilibrium solution；If reached, and termination condition compares, and then terminates iteration when reaching termination condition；If do not reached
Then continue selection strategy, and the utility function value of computational intelligence load, is to reach until acquiring current optimal Nash Equilibrium Solution
The final Nash Equilibrium Solution of termination condition.
5. the virtual plant internal market method of commerce according to claim 1 based on alliance's block chain, which is characterized in that
The step 3: acquired final Nash Equilibrium Solution is applied in alliance's block chain network of the virtual plant, using block
Chain algorithm of knowing together realizes the intersubjective insider transaction of virtual plant, and by intelligent forms of contract complete each main body of virtual plant it
Between settlement of transactions, specifically include:
Effectively transaction block is generated using POV common recognition algorithm, completes each intersubjective insider transaction of the virtual plant；
Each intersubjective insider transaction of the virtual plant is completed into settlement of transactions by way of intelligent contract.
6. the virtual plant internal market method of commerce according to claim 5 based on alliance's block chain, which is characterized in that
Effectively transaction block is generated using POV common recognition algorithm, each intersubjective insider transaction of the virtual plant is completed, specifically includes:
(1) each main body of the virtual plant becomes N by real-name authenticationCA supervisor person, the NCA supervisor person passes through vote by ballot
Generate the high N that wins the votebHouse keeper of a supervisor person as the tenure period；
(2) each main body of all virtual plants in alliance's chain generates the transaction data with itself signature in process of exchange, together
When also can receive transaction data, if the transaction data that receives of verifying is effective, by transaction data be transmitted to supervisor person with
House keeper；
(3) house keeper's monitoring trading data and by licit traffic data storage into trading pit；
(4) when each tenure period starts, function is called to generate random number R, the house keeper that number is R is designated to generate effective district
Block, if generating first block that effective block is the tenure period, random number R is defaulted as zero；
(5) house keeper that number is R takes out Transaction Information from trading pit, and Transaction Information is packaged into a block, block is sent
To all supervisor persons；
(6) after all supervisor persons receive a block, the data in block are verified, if agreeing to generate this block, are signed
Signature is simultaneously sent back to the house keeper numbered as R by block head.
(7) house keeper that the number is R receives at least NCAfter/2+1 signature, this complete effective block is published to network, and
Illegal transaction is deleted from trading pit, while function being called to obtain the random number R of next round common recognition, starts the common recognition of next round；
(8) it holds a post after each main body of virtual plant all completes insider transaction end cycle, a tenure period completes B altogetherw+ 1 wheel is altogether
Know, and generates Bw+ 1 effective block.
7. a kind of virtual plant internal market transaction system based on alliance's block chain, which is characterized in that be applied to claim
Based on the virtual plant internal market method of commerce of alliance's block chain, including distributed energy module, intelligent load described in 1-6
Module, intelligent contract production module, sale of electricity side chain transaction, Demand-side chain transaction and block chain database, the distributed energy
Module is the sale of electricity main body in electricity market, can independently determine sale of electricity quotation, sale of electricity electricity；Intelligent loading module is electric power city
Power purchase main body in can independently determine power purchase quotation, power purchase electricity；The distributed energy module, intelligent loading module
It is wirelessly connected respectively by sale of electricity side chain transaction, Demand-side chain transaction and the block chain database, the intelligence
Contract generation module determines sale of electricity/polygon Transaction Information of Demand-side chain transaction, life for recording information in block chain database
At final transaction contract.
8. the virtual plant internal market transaction system according to claim 7 based on alliance's block chain, which is characterized in that
The distributed energy module includes uncontrollable distributed generation resource, controlled distribution formula power supply and distributed energy storage, described uncontrollable
Distributed generation resource, controlled distribution formula power supply, distributed energy storage pass through sale of electricity side chain transaction and the block chain data respectively
Library is wirelessly connected.
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