CN110009227A - A kind of shared energy storage pool transaction system and operation method based on block chain technology - Google Patents
A kind of shared energy storage pool transaction system and operation method based on block chain technology Download PDFInfo
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Abstract
A kind of shared energy storage pool transaction system and operation method based on block chain technology, is related to energy storage resource traffic control, transaction technology field, comprising: power supply node issues energy storage charging offer；Scheduling node issues energy storage electric discharge offer；Energy storage node response charging offer and electric discharge offer；Certification node examines the energy storage node of response, forms effectively intelligent contract；Monitor the correct execution of node guarantee contract；Settle accounts the income of node clearing new energy station and energy storage resource；Full-automatic, the efficient operation of " recharge-discharge-disbursement and sattlement " are realized in the operation of system.The beneficial effects of the present invention are: the present invention is based on block chain technologies to realize automatic, the quick response of energy storage charging service effectively bidded with executed automatically and energy storage electric discharge services by the signing and automatic execution of the contract that charges, discharges；Realize the fair clearing of energy storage service fee；The whole network energy storage resource fair can participate in business；And it ensure that the safety of information transmission.
Description
Technical field
The present invention relates to energy storage resource traffic controls, transaction technology field, and in particular to a kind of based on block chain technology
Transaction system is planned as a whole in shared energy storage, further relates to a kind of operation side of shared energy storage pool transaction system based on block chain technology
Method.
Background technique
In recent years, energy storage technology is fast-developing, and application in the power system is further extensive.According to using grid-connected type
Following two categories can be divided into, one kind is the self-built energy storage device in new energy station, its main feature is that it is close with station cooperation, in new energy
Charging when source station is rationed the power supply is discharged when not rationing the power supply to power grid, is stabilized new energy station and is gone out fluctuation, is improved new energy and is dissolved water
It is flat.But because only this new energy station of field service, utilization efficiency are relatively low for it.Another kind of is independently operated energy-accumulating power station, packet
The energy-accumulating power station by providing peak load shifting service for electric system, getting a profit by power grid electricity price between peak and valley is included, and is electric power
System provides frequency modulation service or provides the energy-accumulating power station etc. of electricity and capacity services for important load.But independently operated energy storage electricity
All different degrees of presence stand because electricity price between peak and valley is smaller, energy-accumulating power station utilization rate is low and the reasons such as profit model is indefinite are led
The power station investment return of cause is low, investment payback time longer problem.
For the utilization rate for further increasing energy storage resource, realizes the efficient operation of the whole network energy storage resource, will be distributed over electric power
The energy storage resource (including the self-built energy storage device in new energy station and independently operated energy-accumulating power station) of network different location is planned as a whole
Scheduling makes the two that can trade with interior all new energy stations are netted, is a kind of efficient management mode.Energy storage resource in netting
Optical quantum is abandoned by under-buy abandonment, is sold in the short of electricity period according to new energy rate for incorporation into the power network, has expanded the profit mould of energy storage
Formula.New energy station can also reduce self-built capacity of energy storing device, reduce construction investment.The whole network energy storage resource under the management mode
It will sufficiently share, and realize the two-win of new energy station and energy storage.
However, in electric system energy storage device be continuously increased, the whole network energy storage resource centralized dispatching is faced with calculating
Complexity and the situation that trading strategies are more numerous and jumbled, tranaction costs real-time high-efficiency settles accounts more difficult, dependent in dispatching of power netwoks
The hubbed mode that the heart is uniformly controlled the whole network energy storage resource is increasingly unable to satisfy shared energy storage to efficiency and fairness
Demand restricts energy storage resource-sharing.
Patent of invention " a kind of distribution type electric energy stocking system and operation method based on block chain " (application number:
201811435889.0) it is related to a kind of distribution type electric energy stocking system and operation method based on block chain, which can be real
The automatic discharging of existing distributed energy storage, but be not directed to the coordinated operation of energy storage Yu new energy station, that is, it is not directed to energy storage and new energy
Bilateral or polygon bid process, the charging process of energy storage and the clearing strategy of energy storage expense of source station, do not solve existing energy storage
The lower problem etc. of income.
Summary of the invention
Exist to solve the problems, such as that current the whole network energy storage resource plans as a whole scheduling, the present invention is using in the going of block chain technology
The heart goes the characteristics of trust, trackability, intelligent contract, provides a kind of pool scheduling system and fortune for shared energy storage resource
Row method realizes the overall process of the coordinated operation and " recharge-discharge-disbursement and sattlement " between energy storage resource and new energy station certainly
Dynamic, efficient operation, and realize polygon bid and the Automatic-settlement of expense.
The present invention provides a kind of shared energy storage pool transaction system based on block chain technology, it is characterised in that: including electricity
Source node, scheduling node, energy storage node, certification node, monitoring node and clearing node；Power supply node publication energy storage charging is wanted
About；Scheduling node issues energy storage electric discharge offer；Energy storage node automated tos respond to be charged and discharged offer；Authenticate storage of the node to response
Energy node is examined, index of correlation is calculated, and selects optimal response as a result, forming effective intelligent charge, electric discharge contract；Monitoring
The correct execution of node guarantee intelligent charge, the contract that discharges；It settles accounts node and new energy is settled accounts according to intelligent charge, electric discharge treaty content
The income of source station and energy storage resource.
The power supply node corresponds to new energy station, abandons the publication energy storage charging of light situation according to the abandonment of new energy station and wants
About, and according to the intelligent charge contract of signature electrical generation burden is executed.
The scheduling node corresponds to grid dispatching center, and in new energy station, generating capacity deficiency, electric system occur
When power shortage, publication energy storage electric discharge offer.
The energy storage node corresponds to energy storage resource, and energy storage resource includes the self-built energy storage device in new energy station and independence
The energy-accumulating power station of operation, according to energy storage resource situation automated to respond to be charged and discharged offer, and according to the intelligent charge of formation, put
Electric contract completes charge and discharge task.
The content that the certification node examines the energy storage node of response includes that parameter authenticity examines, parameter is closed
Rule property examines, contract conflicting examines and electric power networks constraint examines.
The parameter authenticity passes query history block information, transfers this contract interdependent node state, inspection
It is tested with the presence or absence of fraud；Whether the energy storage node parameter that the parameter review of compliance inspection issues response signal, which meets, is filled
The requirement of electric offer mainly checks chargeable capacity and maximum charge power；The contract conflicting passes reading
History block information, examines whether this secondary response conflicts with the intelligent contract signed；The electric power networks constraint examines base
In power network model, calculate whether the secondary charging behavior is limited by electric power networks transmission limit.
Intelligent charge, the electric discharge contract that the certification node is formed meet touching once signing is to come into force and cannot modify
Clockwork spring part executes automatically；Intelligent charge, the electric discharge contract to come into force generates block, is linked on main chain after encryption, each node uses
Key reads the information in block chain.
The corresponding intelligent electric meter for being mounted on new energy station, energy storage device and energy-accumulating power station of the monitoring node, according to
Effectively intelligence treaty content, the power generation behavior for the new energy station that monitoring intelligent contract is related to and charging, the electric discharge of energy storage resource
Behavior guarantees the correct execution of intelligent contract.
The clearing node settles accounts the income of new energy station and energy storage resource according to intelligent treaty content, according to " whose
Whom is filled to put ", " first fill and first put " principle, to new energy station decompose energy storage node discharge electricity, energy storage charge electricity price by power supply section
Point determines that energy storage discharges electricity price by the clearing of new energy rate for incorporation into the power network after bidding with energy storage node.
The operation method for the shared energy storage pool transaction system based on block chain technology that the present invention also provides a kind of, including with
Lower step:
Step 1: the response of energy storage charging offer and the execution of intelligent charge contract
The operation plan curve and new energy theory that power supply node is issued according to grid dispatching center are contributed prediction result, in advance
Section and electricity when light is abandoned in abandonment are surveyed, and energy storage charging offer is issued according to prediction result, offer content includes estimated available
Charging time, electricity, power, sale of electricity electricity price etc. are broadcasted after the encryption of this offer to the whole network；
Whether energy storage node examination energy storage resource inherent parameters and acceptable electricity price range, which meet energy storage charging offer, is wanted
It asks, meets, automated to respond to energy storage charging offer, inherent parameters include rated capacity, remaining capacity, maximum charge power；
When not having energy storage node response charging offer, power supply node is sent out again after modifying to the electricity price in charging offer
Cloth, until having energy storage node response offer or executing the time more than the expected of transaction, this process is new energy station and energy storage
With regard to the bid process for the electricity price that charges；
Certification node examines response results and selects optimal response as a result, examining that content includes that parameter authenticity is examined
It looks into, parameter review of compliance, contract conflicting examine and electric power networks constraint examines；
When multiple response signals pass through examination, by the energy storage node of response according to the urgent degree sequence of charging, charging is compeled
The higher energy storage node of degree of cutting, preferentially charges, β is urgently spent in the charging of i-th of energy storage nodeiIs defined as:
βi=1-Cleft,i/Call,i
In formula, CallIt is the rated capacity of i-th of energy storage node, CleftIt is the remaining capacity of i-th of energy storage node.
The formally effective formation intelligent charge contract of charging offer corresponding to optimal response result, cannot modify；Intelligence is filled
Block is generated after encrypting after electric contract accumulation to restriction quantity, is linked on main chain；Described limits quantity as 50 or 100
Item, 150,200；
Monitoring node reads the intelligent treaty content on block chain, the new energy station and energy storage that contract is related to by key
The intelligent electric meter in power station monitors the power generation of new energy station and energy storage resource, charging behavior according to treaty content, guarantees that it is stringent
It is executed according to treaty content；
Step 2: the response of energy storage electric discharge offer and the execution of Intelligent discharge contract
Scheduling node is in new energy station generating capacity deficiency, electric system emergent power vacancy, publication energy storage electric discharge
Offer, offer content include energy storage discharge time of demand, discharge power, discharge electricity amount etc., wide to the whole network after the encryption of this offer
It broadcasts；
Energy storage node reads electric discharge offer content by key, and whether examination inherent parameters meet offer requirement, if meeting
Condition then automated tos respond to；
Certification node examines response results and selects optimal response result；
When multiple response signals pass through examination, the electric discharge priority of each responsive node is calculated, electric discharge priority is high
Energy storage node, it is preferential that electric discharge service is provided；The electric discharge priority γ of i-th of energy storage nodeiIs defined as:
γi=Ei/Call,i
In formula, EiFor the discharge electricity amount of i-th of energy storage node；
The corresponding formally effective formation Intelligent discharge contract of offer that discharges of optimal response result, cannot modify；Intelligent discharge
Block is generated after encrypting after contract accumulation to restriction quantity, is linked on main chain；It is described limit quantity as 50 or 100,
150,200；
Node is monitored by key reading Intelligent discharge treaty content, the intelligent electric meter of the energy-accumulating power station that contract is related to according to
Treaty content monitors the electric discharge behavior of energy storage resource, guarantees that contract correctly executes；
Step 3: quantity division and income settlement
Node is settled accounts by periodically examination history block information, obtains history charging, the electric discharge contract of energy storage node, according to
The principle of " whom who, which fills, puts " " first fill and first put " decomposes the discharge electricity amount of energy storage node to providing the new energy field of charging service
It stands；If there is multiple new energy stations to participate in the charging of energy storage node, the power station first filled preferentially participates in decomposing electricity；
Node is settled accounts according to the income of intelligent charge, electric discharge treaty content clearing power supply node and energy storage node；Energy storage is filled
Electricity price determines that energy storage discharges electricity price by the clearing of new energy rate for incorporation into the power network, and energy storage is received after being bidded by power supply node and energy storage node
Benefit increases income brought by generated energy from new energy station, and some is given storage by the new energy station of revenue growth
Can node, increased generation of electricity by new energy amount, that is, energy storage node discharge electricity in classifying rationally system belongs to corresponding new energy field
It stands.
The beneficial effects of the present invention are:
(1) present invention provides a kind of shared energy storage pool transaction system based on block chain technology, passes through building " new energy
The ubiquitous electric power Internet of Things that station-energy storage device-control centre-intelligent electric meter " interconnects extensively is formed based on block chain technology
The operating system and a full set of operation, disbursement and sattlement strategy of the whole network energy storage resource and the coordinated operation of new energy station, are realizing new energy
Efficient operation between source station and energy storage resource, guarantee transmission and storage safety on the basis of, also realization energy storage resource with
The overall process automatic running of the coordinated operation of new energy station and " recharge-discharge-disbursement and sattlement ", improves the energy storage utilization of resources
Efficiency expands energy storage profit model, makes the whole network energy storage resource-sharing, realizes the two-win of new energy station and energy storage resource；
(2) the intelligent contract based on block chain technology, by the intelligent response of charging contract and the contract that discharges and automatic
It executes, realize effectively the bidding of energy storage charging service and electric discharge service, quick response and automatic executes；
(3) trackability and unalterable feature based on block chain realize energy storage service by consulting history block information
Accurate, fair, the transparent clearing of expense；
(4) by calculating the urgent degree of charging and electric discharge priority index biing publicly in the whole network, optimal charge and discharge are selected
Node makes the whole network energy storage resource can be fair and effectively participates in business.
Specific embodiment
The operation side of transaction system is planned as a whole in the shared energy storage to a kind of based on block chain technology combined with specific embodiments below
Method further illustrates.
Embodiment 1, the present invention provide a kind of shared energy storage pool transaction system based on block chain technology.By by new energy
Source station, energy storage device (power station), control centre, intelligent electric meter interconnect extensively, construct ubiquitous electric power Internet of Things, should include power supply
Node, scheduling node, energy storage node, certification node, monitoring node and clearing node；Power supply node issues energy storage charging offer；
Scheduling node issues energy storage electric discharge offer；Energy storage node automated tos respond to be charged and discharged offer；Authenticate energy storage of the node to response
Node is examined, index of correlation is calculated, and selects optimal response as a result, forming effective intelligent charge, electric discharge contract；Monitoring section
The correct execution of promise intelligent charge, the contract that discharges；It settles accounts node and new energy is settled accounts according to intelligent charge, electric discharge treaty content
The income of station and energy storage resource.
The power supply node corresponds to new energy station, abandons the publication energy storage charging of light situation according to the abandonment of new energy station and wants
About, and according to the intelligent charge contract of signature electrical generation burden is executed.
The scheduling node corresponds to grid dispatching center, and in new energy station, generating capacity deficiency, electric system occur
When power shortage, publication energy storage electric discharge offer.
The energy storage node corresponds to energy storage resource, and energy storage resource includes the self-built energy storage device in new energy station and independence
The energy-accumulating power station of operation, according to energy storage resource situation automated to respond to be charged and discharged offer, and according to the intelligent charge of formation, put
Electric contract completes charge and discharge task.
The certification node examines the energy storage node of response, calculates index of correlation, select optimal response as a result,
Form effective intelligent charge, electric discharge contract；Contract comes into force and cannot modify once signing, and meets trigger condition and holds automatically
Row；Intelligent charge, the electric discharge contract to come into force generates block, is linked on main chain after encryption, each node reads block using key
Information in chain.
Certification node examine content include examinations of parameter authenticity, parameter review of compliance, contract conflicting examination and
Electric power networks constraint examines.Parameter authenticity passes query history block information, transfers this contract interdependent node state,
Examine it with the presence or absence of fraud；Whether the energy storage node parameter that parameter review of compliance inspection issues response signal, which meets charging, is wanted
Requirement about mainly checks chargeable capacity and maximum charge power；Contract conflicting, which passes, reads history block letter
Breath, examines whether this secondary response conflicts with the effective contract signed；Electric power networks constraint, which examines, is based on power network model, meter
Calculate whether the secondary charging behavior is limited by electric power networks transmission limit.
The corresponding intelligent electric meter for being mounted on new energy station, energy storage device and energy-accumulating power station of the monitoring node, according to
Effectively intelligence treaty content, the power generation behavior for the new energy station that monitoring intelligent contract is related to and charging, the electric discharge of energy storage resource
Behavior guarantees the correct execution of intelligent contract.
The clearing node settles accounts the income of new energy station and energy storage device according to intelligent treaty content, according to " whose
Whom is filled to put ", " first fill and first put " principle, to new energy station decompose energy storage node discharge electricity, energy storage charge electricity price by power supply section
Point determines that energy storage discharges electricity price by the clearing of new energy rate for incorporation into the power network after bidding with energy storage node.
The operation side of transaction system is planned as a whole in embodiment 2, the shared energy storage based on block chain technology that the present invention also provides a kind of
Method；The following steps are included:
Step 1: the response of energy storage charging offer and the execution of intelligent charge contract；
Step 1.1: power supply node (new energy station) abandons light situation according to itself abandonment, issues charging offer to the whole network；
The operation plan curve and new energy theory that power supply node is issued according to grid dispatching center are contributed prediction result, in advance
Section and electricity when light is abandoned in abandonment are surveyed, and energy storage charging offer is issued according to prediction result；The offer content that charges includes power supply node
Number, type of transaction (charge or discharge), expected available charging service time started, charging service duration, expection
Available maximum charge power, sale of electricity electricity price of charging service etc.；Charging offer needs additional supply node digital signature, encrypts
It is broadcasted afterwards by network.
Step 1.2: energy storage node response charging offer；
Energy storage node check energy storage resource inherent parameters (including rated capacity, remaining capacity, maximum charge power etc.) and
Whether acceptable electricity price range meets offer requirement, automatic to issue response signal if meeting；Energy storage node response signal packet
It is chargeable to include energy storage node serial number, the type of transaction (charge or discharge) of response, the rated capacity of battery, remaining capacity, maximum
Power, maximum can discharge power and the energy storage efficiencies ratio of discharge electricity amount and input electricity (can)；Response signal is further added
Certification node is sent to after energy storage node digital signature；Response signal indicates that energy storage node receives charging offer once sending
Content, and can complete to trade at the appointed time；
It, may since power supply node is difficult to provide the acceptable sale of electricity electricity price of energy storage node for the first time in practical application
There is the case where no energy storage node response offer, at this point, power supply node need to be to issuing, until there is storage again after charging transaction modification
Node response or the time can be executed more than the expected of transaction, this process is that new energy station is just charged the bidding of electricity price with energy storage
Process.
Step 1.3: certification node examines response signal, calculates the urgent degree of charging, selects optimal response result；
Certification node examines response results and selects optimal response result；Examine that content includes that parameter authenticity is examined
It looks into, parameter review of compliance, contract conflicting examine and electric power networks constrain examination etc.；
When multiple response signals pass through examination, by the energy storage node of response according to the urgent degree sequence of charging, charging is compeled
The higher energy storage node of degree of cutting, preferentially charges；β is urgently spent in the charging of i-th of energy storage nodeiIs defined as:
βi=1-Cleft,i/Call,i
In formula, CallIt is the rated capacity of energy storage node, CleftIt is the remaining capacity of energy storage node；
If charging urgently spend highest energy storage node can complete independently charging offer, issue offer power supply node and this
Energy storage node signs intelligent charge contract；If the forecasted transaction electricity of power supply node publication is larger, highest storage is urgently spent in charging
Can node can not complete independently charging transaction, at this point, sequence sequence of each energy storage node by the urgent degree of charging from big to small, power supply
Node successively signs intelligent charge contract with energy storage node, until the power generation electricity of power supply node can be dissolved all；If adjusting
Move all energy storage nodes by examination also and can not fully dissolve the forecasted transaction electricity of power supply node publication, then power supply node with
All energy storage nodes by examination sign intelligent charge contract, and the total electricity of all intelligence contracts is the practical hair of power supply node
Power consumption, beyond partially rationing the power supply；
Intelligent charge contract cannot be modified once signature is i.e. formal effective；Block is generated after intelligent contract encryption, is linked at
On main chain.
Step 1.4: monitoring monitoring nodes intelligence contract executes；
Monitoring node reads the intelligent treaty content on block chain, the new energy station and energy storage that contract is related to by key
The intelligent electric meter in power station monitors the power generation of new energy station and energy storage resource, charging behavior according to treaty content, guarantees that it is stringent
It is executed according to treaty content.
Step 2: the response and execution of energy storage electric discharge transaction；
Step 2.1: scheduling node issues energy storage electric discharge offer to the whole network；
Scheduling node is in new energy station generating capacity deficiency, electric system emergent power vacancy, publication energy storage electric discharge
Offer, desired content include the energy storage discharge time needed, discharge power, discharge electricity amount etc., Xiang Quan after the encryption of this offer information
Net broadcast.
Step 2.2: energy storage node response electric discharge offer；
Energy storage node reads electric discharge offer content by key, and whether examination inherent parameters meet the requirements, if meeting condition,
Response signal is then issued automatically；Response signal is sent to certification node after further adding energy storage node digital signature；Response letter
Number once sending, expression receives treaty content, and will complete electric discharge behavior at the appointed time.
Step 2.3: certification node examines response results, calculates electric discharge priority, and select optimal response result；
Certification node examines response results and selects optimal response result.Examine that content includes that parameter authenticity is examined
It looks into, parameter review of compliance, contract conflicting examine and electric power networks constrain examination etc.；When multiple response signals pass through examination
When, the electric discharge priority of each responsive node is calculated, the high energy storage node of electric discharge priority is preferential to provide electric discharge service.I-th of storage
The electric discharge priority γ of energy nodeiIs defined as:
γi=Ei/Call,i
In formula, EiFor the discharge electricity amount of i-th of energy storage node.
If the highest energy storage node of priority that discharges can complete independently electric discharge offer, scheduling node and this energy storage node label
Affix one's name to Intelligent discharge contract；If the transaction electricity of scheduling node publication is larger, the electric discharge highest energy storage node of priority can not be independent
It completes, at this point, sequence sequence of each energy storage node by electric discharge priority from big to small, scheduling node are successively signed with energy storage node
Intelligent discharge contract, until the demand electricity of scheduling node is all satisfied；If transferring all energy storage nodes by examination
It is unable to satisfy the forecasted transaction electricity of scheduling node publication, then scheduling node and all energy storage nodes by examination sign intelligence
Discharge contract, and insufficient section is supplied by other generating sets in electric system；
Intelligent discharge and about one it is signed i.e. it is formal effectively, cannot modify, block is generated after encryption, be linked on main chain.
Step 2.4: the effective contract of monitoring monitoring nodes executes；
It monitors node and intelligent treaty content is read by key, the intelligent electric meter for the energy-accumulating power station that contract is related to is according to contract
The electric discharge behavior of contents supervision's energy storage resource guarantees that contract correctly executes.
Step 3: clearing node settles accounts intelligent contract income；
Step 3.1: decomposing energy storage node discharge electricity to power supply node；
Clearing node reads effective contract information on block chain at regular intervals, according to " whom who, which fills, puts ", " first fills elder generation
Put " principle, energy storage node discharge electricity is decomposed to power supply node.That is, clearing node obtains storage by examination history block information
Can node history charge and discharge contract, the discharge electricity amount of energy storage node is decomposed to providing the new energy station of charging service, if
There are multiple new energy stations to participate in the charging of energy storage node, should be decomposed according to sequencing, the power station first filled preferentially participates in decomposing
Electricity.
Step 3.2: distribution income；
It is assumed that the number of energy storage node is B01~B18 in system, the number of power supply node is R01~R10, energy storage node
After B02 completes a charge and discharge behavior, total discharge electricity amount is 200kWh, and all decomposes and gives power supply node R01, then R01 and
Total revenue M obtained by B02allAre as follows:
Mall=p1·E1=0.8 yuan/kWh × 200kWh=160 (member)
In formula, p1For the new energy rate for incorporation into the power network of power supply node R01, it is assumed that be 0.8 yuan/kWh, E1For discharge electricity amount.
The charging electricity price of power supply node R01 is settled accounts according to " Price " parameter in effective charging contract, power supply node R01
Obtainable income MRAre as follows:
In formula, p2It is 0.2 yuan/kWh, E in this example for the charging electricity price in charging contract2It is provided for power supply node R01
Charge capacity, η are the energy storage efficiency of energy storage node B02.
Income M obtained by energy storage node B02BAre as follows:
Claims (9)
1. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology, it is characterised in that: including power supply node, scheduling section
Point, energy storage node, certification node, monitoring node and clearing node；Power supply node issues energy storage charging offer；Scheduling node publication
Energy storage electric discharge offer；Energy storage node automated tos respond to be charged and discharged offer；Node is authenticated to examine the energy storage node of response,
Index of correlation is calculated, selects optimal response as a result, forming effective intelligent charge, electric discharge contract；Monitoring node guarantee intelligently fills
The correct execution of electricity, electric discharge contract；Node is settled accounts to be provided according to intelligent charge, electric discharge treaty content clearing new energy station and energy storage
The income in source.
2. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
The power supply node corresponds to new energy station, according to new energy station abandonment abandoning light situation publication energy storage charging offer, and according to
Electrical generation burden is executed according to the intelligent charge contract of signature.
3. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
The scheduling node corresponds to grid dispatching center, generating capacity deficiency, electric system emergent power vacancy in new energy station
When, publication energy storage electric discharge offer.
4. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
The energy storage node corresponds to energy storage resource, and energy storage resource includes the self-built energy storage device in new energy station and independently operated storage
Can power station, according to energy storage resource situation automated to respond to be charged and discharged offer, and according to the intelligent charge of signature, electric discharge contract,
Complete charge and discharge task.
5. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
The content that the certification node examines the energy storage node of response includes that parameter authenticity examines, parameter compliance is examined
It looks into, contract conflicting examines and electric power networks constraint examines.
6. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
Intelligent charge, the electric discharge contract of the certification node formation come into force and cannot modify once signing, and meet trigger condition certainly
It is dynamic to execute；Intelligent charge, the electric discharge contract to come into force generates block, is linked on main chain after encryption, each node is read using key
Information in block chain.
7. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
The corresponding intelligent electric meter for being mounted on new energy station, energy storage device and energy-accumulating power station of the monitoring node, according to effective intelligence
Treaty content, the power generation behavior for the new energy station that monitoring intelligent contract is related to and charging, the electric discharge behavior of energy storage resource guarantee
The correct execution of intelligent contract.
8. transaction system is planned as a whole in a kind of shared energy storage based on block chain technology according to claim 1, it is characterised in that:
The described clearing node settles accounts the income of new energy station and energy storage device according to intelligent treaty content, according to " whom who, which fills, puts ",
" first fill and first put " principle decomposes energy storage node discharge electricity to new energy station, and energy storage charges electricity price by power supply node and energy storage
Node determines that energy storage discharges electricity price by the clearing of new energy rate for incorporation into the power network after bidding.
9. the operation method that transaction system is planned as a whole in a kind of shared energy storage based on block chain technology, it is characterised in that: including following
Step:
Step 1: the response of energy storage charging offer and the execution of intelligent charge contract
The operation plan curve and new energy theory power output prediction result, prediction that power supply node is issued according to grid dispatching center are abandoned
Section and electricity when wind abandons light, and energy storage charging offer is issued according to prediction result, offer content includes estimated available charging
Time, electricity, power, sale of electricity electricity price etc. are broadcasted after the encryption of this contract to the whole network；
Whether energy storage node examination energy storage resource inherent parameters and acceptable electricity price range meet energy storage charging offer requirement, symbol
Conjunction then automated tos respond to energy storage charging offer, and inherent parameters include rated capacity, remaining capacity, maximum charge power；
When not having energy storage node response charging offer, power supply node is issued again after modifying to the electricity price in charging offer,
Until having energy storage node response offer or executing the time more than the expected of transaction, this process realizes that new energy station is just filled with energy storage
The bid process of electricity price；
Certification node response results are examined and select optimal response as a result, examine content include parameter authenticity examine,
Parameter review of compliance, contract conflicting examine and electric power networks constraint examines；
When multiple response signals pass through examination, by the energy storage node of response according to the urgent degree sequence of charging, charge urgent degree
Higher energy storage node, preferentially charges, and β is urgently spent in the charging of i-th of energy storage nodeiIs defined as:
βi=1-Cleft,i/Call,i
In formula, CallIt is the rated capacity of i-th of energy storage node, CleftIt is the remaining capacity of i-th of energy storage node；
After the signature of charging offer corresponding to optimal response result, comes into force to form intelligent charge contract, cannot modify；Intelligent charge
Block is generated after encrypting after contract accumulation to restriction quantity, is linked on main chain；
Monitoring node reads the intelligent treaty content on block chain, the new energy station and energy storage resource that contract is related to by key
Intelligent electric meter power generation, the charging behavior of new energy station and energy storage resource are monitored according to treaty content, guarantee its in strict accordance with
Treaty content executes；
Step 2: the response of energy storage electric discharge offer and the execution of Intelligent discharge contract
Scheduling node is in new energy station generating capacity deficiency, electric system emergent power vacancy, publication energy storage electric discharge offer,
Offer content includes energy storage discharge time of demand, discharge power, discharge electricity amount etc., is broadcasted after the encryption of this offer to the whole network；
Energy storage node reads electric discharge offer content by key, and whether examination inherent parameters meet contractual requirement, if meeting condition,
Then automated to respond to；
Certification node examines response results and selects optimal response result；
When multiple response signals pass through examination, the electric discharge priority of each responsive node, the high energy storage of electric discharge priority are calculated
Node, it is preferential that electric discharge service is provided；The electric discharge priority γ of i-th of energy storage nodeiIs defined as:
γi=Ei/Call,i
In formula, EiFor the discharge electricity amount of i-th of energy storage node；
After the corresponding electric discharge offer signature of optimal response result, comes into force to form Intelligent discharge contract, cannot modify；Intelligent discharge closes
Block is generated after about encrypting after accumulation to restriction quantity, is linked on main chain；
It monitors node and Intelligent discharge treaty content is read by key, the intelligent electric meter for the energy-accumulating power station that contract is related to is according to contract
The electric discharge behavior of contents supervision's energy storage resource guarantees that contract correctly executes；
Step 3: income settlement
Node is settled accounts by periodically checking history block information, history charging, the electric discharge contract of energy storage node are obtained, according to " whose
Whom is filled to put " principle of " first fill and first put ", the discharge electricity amount of energy storage node is decomposed to providing the new energy station of charging service；If
There are multiple new energy stations to participate in the charging of energy storage node, the power station first filled preferentially participates in decomposing electricity；
Node is settled accounts according to the income of intelligent charge, electric discharge treaty content clearing power supply node and energy storage node；Energy storage charging electricity
Valence determines that energy storage discharges electricity price by the clearing of new energy rate for incorporation into the power network, and energy storage income is come after being bidded by power supply node and energy storage node
Increase derived from new energy station and taken in brought by generated energy, some is given energy storage section by the new energy station of revenue growth
Point, increased generation of electricity by new energy amount, that is, energy storage node discharge electricity in classifying rationally system, belongs to corresponding new energy station.
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