CN108335209A - A kind of distributed energy resource system including feed end index block chain - Google Patents
A kind of distributed energy resource system including feed end index block chain Download PDFInfo
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Abstract
A kind of distributed energy resource system including feed end index block chain, by supply section, utilize part, transmission of electricity part, block chain part is constituted, wherein, supply section includes centralized power station, distributed generation unit, inverter and feed end monitor, include industrial electricity apparatus using part, distributed power unit and utilization end monitor, power transmission section subpackage enclosed tool net, major network, secondary transformer, main transformer and substation, block chain part is made of block chain network, block chain network is connect with feed end monitor and using end monitor, and carry out data exchange, form electricity transaction block chain, electricity transaction block chain includes that feed end forms block chain, based on electricity transaction block chain at the reasonable disposition of distributed electric power resource.
Description
Technical field
The invention belongs to distributed energy resource system field, more particularly to a kind of distribution including feed end index block chain
Energy resource system.
Background technology
In face of China's energy industry there is currently slave productive consumption to technical system level the problem of, energy revolution gesture exists
It must go, and energy internet is with the characteristic of its " open, interconnection, is shared equity ", it is considered to be push China to realize energy revolution
Key technology platform.However, realization and development of the energy internet in China also face a variety of of technology and system level
Obstacle.Such as the operational decisions of complication system, the wide area balance of the polynary energy, the main body prestige of open network, shared platform
Mechanism of exchange etc..These problems are properly settled other than the development of itself of energy internet, it is also necessary to receive other technologies
Frame and solution are supported.Energy internet and block chain technology are the hot spots studied at present, and two fields difference are all
Achieve considerable achievement.The correlative study applied in energy internet about block chain at present remains in fusion conception,
The levels such as function analysis still design solution party without the particular problem that the technical characterstic with block chain is energy internet development
Case.
Invention content
The technical problem to be solved in the present invention is to provide it is a kind of including feed end index block chain distributed energy resource system,
Block chain technology is applied in distributed energy resource system by it, it is proposed that a set of feasible technical solution.
To achieve the goals above, the technical scheme is that：A kind of distribution including feed end index block chain
Energy resource system is constituted, wherein supply section includes centralization by supply section, using part, transmission of electricity part, block chain part
Power station, distributed generation unit, inverter and feed end monitor include industrial electricity apparatus, distributed use using part
Electric unit and utilization end monitor, power transmission section subpackage enclosed tool net, major network, secondary transformer, main transformer and substation, area
Block chain part is made of block chain network, and block chain network is connect with feed end monitor and using end monitor, line number of going forward side by side
According to exchange, electricity transaction block chain is formed, electricity transaction block chain includes feed end and/or forms block chain using end, is based on
Electricity transaction block chain at distributed electric power resource reasonable disposition.
Wherein, the process A of feed end formation block chain is as follows：
Step A1 is participated in each of distributed energy resource system and is submitted respective power demand information using end monitor
To the trade market of block chain network, this is uploaded automatically using the power information before the monitor of end, passes through trade market
Power information is formed power demand by ancillary service by calculating, then is submitted to trade market, and then forms preliminary power generation meter
It draws；
The information of oneself is distributed to block chain network, passes through confession by step A2, the feed end monitor in each trade market
Index block chain algorithm should be held to form feed end index block chain so that each in preliminary generation schedule using end monitor all
The block information in block chain can be indexed according to feed end and is found and is suitble to the distributed generation unit of oneself, in order to improve supply
The accuracy of end index block chain and generation schedule, the generation schedule that needs to enrich constantly includes weather conditions, electricity unit
Information including matter, market fluctuation, while continuing to optimize and improving feed end index block chain algorithm；
Step A3, in feed end index block chain at later, respectively being proceeded by using end monitor in generation schedule
Selection considers specific electricity consumption scene and the property and parameter of each generator unit in the selection process, formulates intelligence and closes
About, each electricity consumption subset using end monitor, the friendship to be optimal are determined according to different situations by intelligent contract
Easily as a result, and carrying out generation schedule matching；
Step A4, after generation schedule successful match, each distributed generation unit completes the electrical generation burden of oneself, by matching
Electric system operation module carries out electric power distribution, and energy information is finally transported to corresponding distributed power unit, distribution system
Operation module constantly confirms into the audit of row information with block chain network, is completed with ensureing that each electricity consumption transaction is all accurate, shape
At electricity transaction block chain.
Block chain technology is applied in distributed energy resource system, brings following advantage by beneficial effects of the present invention：
1) decentralization：There is no the center controls of the centralization of state power, all nodes in block catenary system can part or complete
The information in block chain is backed up to portion, the loss of data of arbitrary node does not interfere with the normal operation of system, therefore in data
There are very strong robustness and reliability in storage, as energy resources transaction is increasingly frequent, adaptive, decentralization energy tune
Degree will become mainstream, and the block chain of isomorphism will also provide the data interaction basis of strong robustness for distributed energy therewith.
2) collective safeguards：Block catenary system is operated together and is safeguarded by node all in network, and is swashed using specific
Mechanism is encouraged to ensure that all nodes both participate in information exchanging process in distributed system；
3) intelligent contract：The judgement that the rights and obligations of both parties and contract execute in block catenary system is by intelligent contract
It ensures, be not necessarily to artificial promotion and third-party supervision, this makes the efficiency that transaction executes very high.Intelligent contract can
Programming feature allows both parties to arrange various transaction terms, is suitable for various sequencing rule situations, has extremely wide
Wealthy application scenarios；
4) information security：Block chain is encrypted data based on the elliptic curve digital signature algorithm in cryptography, and
By the common certification of all nodes of the whole network, strong guarantee is provided for the information security of distributed energy resource system；
5) it can preferably reflect Demand-side information in real time, be more advantageous to and carry out environmental-friendly, information transparency stable scheduling；
Meanwhile by the own characteristic of block chain, data safety and storage safety can be also better assured that；
6) variable pressure structure is multiple-transmission-line topological structure, is convenient for the expansion of built by separate periods engineering, is convenient for siteselecting planning, makes
Wind-resources or the most abundant microcosmic address of light resource are not limited by transmission line design；
7) rationally inverter structure design ensures the safety of electronic component in inversion.
Description of the drawings
Fig. 1 is the system pie graph of the present invention；
Fig. 2 is that the feed end of the present invention indexes block chain schematic diagram；
Fig. 3 indexes block chain schematic diagram for the present invention using end；
Fig. 4 is the inverter structure circuit diagram of the present invention；
Specific implementation mode
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
The embodiment of the present invention is with reference to shown in figure 1-4.
A kind of distributed energy resource system including feed end index block chain, by supply section, utilizes part, power transmission section
Divide, block chain part is constituted, wherein supply section includes centralized power station, distributed generation unit, inverter and feed end
Monitor includes industrial electricity apparatus, distributed power unit using part and utilizes end monitor, power transmission section subpackage enclosed tool
Net, major network, secondary transformer, main transformer and substation, block chain part are made of block chain network, block chain network with
Feed end monitor is connected with using end monitor, and carries out data exchange, forms electricity transaction block chain, electricity transaction block
Chain includes feed end and/or forms block chain using end, based on electricity transaction block chain at the conjunction of distributed electric power resource
Reason configuration.
Wherein, the process A of feed end formation block chain is as follows：
Step A1 is participated in each of distributed energy resource system and is submitted respective power demand information using end monitor
To the trade market of block chain network, this is uploaded automatically using the power information before the monitor of end, passes through trade market
Power information is formed power demand by ancillary service by calculating, then is submitted to trade market, and then forms preliminary power generation meter
It draws；
The information of oneself is distributed to block chain network, passes through confession by step A2, the feed end monitor in each trade market
Index block chain algorithm should be held to form feed end index block chain so that each in preliminary generation schedule using end monitor all
The block information in block chain can be indexed according to feed end and is found and is suitble to the distributed generation unit of oneself, in order to improve supply
The accuracy of end index block chain and generation schedule, the generation schedule that needs to enrich constantly includes weather conditions, electricity unit
Information including matter, market fluctuation, while continuing to optimize and improving feed end index block chain algorithm；
Step A3, in feed end index block chain at later, respectively being proceeded by using end monitor in generation schedule
Selection considers specific electricity consumption scene and the property and parameter of each generator unit in the selection process, formulates intelligence and closes
About, each electricity consumption subset using end monitor, the friendship to be optimal are determined according to different situations by intelligent contract
Easily as a result, and carrying out generation schedule matching；
Step A4, after generation schedule successful match, each distributed generation unit completes the electrical generation burden of oneself, by matching
Electric system operation module carries out electric power distribution, and energy information is finally transported to corresponding distributed power unit, distribution system
Operation module constantly confirms into the audit of row information with block chain network, is completed with ensureing that each electricity consumption transaction is all accurate, shape
At electricity transaction block chain.
Wherein, the process B that block chain is formed using end is as follows：
Respective power generation information is submitted to area by step B1, each feeder ear monitor for participating in distributed energy resource system
Power generation information before the feeder ear monitor is uploaded, passes through the auxiliary of trade market by the trade market of block chain network automatically
Power generation information is formed generating capacity information by service by calculating, then is submitted to trade market, and then forms preliminary power generation meter
It draws；
The information of oneself is distributed to block chain network using end monitor in each trade market, passes through profit by step B2
It is formed with end index block chain algorithm and indexes block chain using end so that each feed end monitor in preliminary generation schedule is all
It can be suitble to the distributed power unit of oneself according to being found using the block information in the index block chain of end, be utilized to improve
The accuracy of end index block chain and generation schedule, the generation schedule that needs to enrich constantly includes weather conditions, electricity unit
Information including matter, market fluctuation, while continuing to optimize and improving feed end index block chain algorithm；
Step B3 is indexing block chain at later using end, and each feed end monitor in generation schedule proceeds by
Selection considers specific power generation scene and the property and parameter of each power unit in the selection process, formulates intelligence and closes
About, the power supply subset of each feed end monitor, the friendship to be optimal are determined according to different situations by intelligent contract
Easily as a result, and carrying out generation schedule matching；
Step B4, after generation schedule successful match, each distributed generation unit completes the electrical generation burden of oneself, by matching
Electric system operation module carries out electric power distribution, and energy information is finally transported to corresponding distributed power unit, distribution system
Operation module constantly confirms into the audit of row information with block chain network, is completed with ensureing that each electricity consumption transaction is all accurate, shape
At electricity transaction block chain.
Wherein, feed end monitor is connect with block chain network, and indexing block chain algorithm according to feed end generates feed end
Block chain is indexed, is reached common understanding, the feed end index block chain algorithm in step A2 includes the following steps：
Step A2.1, all feed end monitors persistently broadcast power supply information data to block chain network the whole network, and enclose
The GID of feed end monitor；
Step A2.2, all feed end monitors independently monitor the whole network data and record of block chain network；
Step A2.3, after time interval t, each feed end monitor is by the information of oneself:<
PerpareRequest,GID,m,g,r,s>, it is sent to block chain network, wherein PerpareResponse indicates whether to prepare
Response；Characteristic item is：M is generating capacity, and g indicates whether that for regenerative resource, r is sale of electricity price, and s is power generation stabilization degree；
Step A2.4, each feed end monitor calculate the weights of each characteristic item according to table 1 automatically, and select weight maximum
Node, the information of the distributed generation unit is sent to block chain network<PerpareResponse,GID,m,g,r,s,w>,
Wherein w is that the weights of each characteristic item are cumulative；
Step A2.5, after arbitrary feed end monitor receives more than n identical echo messages, common recognition is reached and is issued new
Block, wherein n is the consensus number of the feed end monitor depending on system survivability；
Step A2.6, after the completion of new block, each feed end monitor is by information deletion before, and it is total to start next round
Know.
Wherein, the weight of generating capacity m is 0.8, and regenerative resource g weights are 0.6, and sale of electricity price r weights are 0.4, hair
Electric degree of stability s weights are 0.5.
Wherein, it is connect with block chain network using end monitor, end is utilized according to being generated using end index block chain algorithm
Block chain is indexed, is reached common understanding, is included the following steps using end index block chain algorithm in step B2：
Step B2.1, that participates in business persistently broadcasts trading information data using end monitor to block chain network the whole network,
And enclose LID using end monitor；
Step B2.2, all is independently monitored block chain network whole network data using end monitor and recorded；
Step B2.3 respectively utilizes end monitor by respective information after time interval t：<
PerpareRequest,LID,PID,DID,p,s,l,c>, it is sent in block chain network, wherein PID is distributed electricity consumption list
The ID of member, DID are the ID of distributed generation unit；Characteristic item is：P is electricity consumption, and s is load stabilization degree, and l is losing quantity, c
For transaction value；
Step B2.4 respectively calculates each power using end monitor automatically using end monitor according to the characteristic item in information
Value, and the maximum utilization end monitor of weight is selected, and send the information for utilizing end monitor to block chain network：<
PerpareRequest,LID,PID,DID,p,s,l,c,w>W is that the weights of each characteristic item are cumulative；
Step B2.5, arbitrary to be received more than after a identical echo messages of m using end monitor, common recognition is reached and is issued new
Block, wherein m is the consensus number using end monitor depending on system survivability；
Step B2.6 after the completion of new block, respectively utilizes end monitor by information deletion before, and it is total to start next round
Know.
Wherein, electricity consumption p weights are 0.5, and load stabilization degree s weights are 0.6, and losing quantity l weights are 0.4, settlement price
Lattice c weights are 0.8.
Wherein, block chain network is defined as array, BN=(G, P, CPSIB,CETB, IC, T, α, β), G={ gi|i∈N+Be
The finite aggregate of feed end monitor；P={ pi|j∈N+Be utilize end monitor finite aggregate；CPSIBBlock is indexed for feed end
Chain；CETBTo index block chain using end；IC is intelligent contract；T={ tk|tk∈ G × P, k ∈ N+It is electricity transaction collection；G×P
Collect for the Descartes of G and P；α：G→CPSIBFor G to CPSIBMapping, β：P→CETBFor P to CETBMapping.
Wherein, each block includes block head and block body, block head by the hash values of a upper block, for realizing block chain
Link, timestamp and Merkle roots, block body includes a plurality of record.
Wherein, feed end index block chain is recorded as feed end monitor GID, generating capacity m, and regenerative resource g sells
Electricity price lattice r, power generation stabilization degree s, geographical location.
Wherein, using end index block chain be recorded as transaction record number, utilize end monitor LID, electricity consumption p, load
Degree of stability s, losing quantity l, transaction value c.
Wherein, centralized power station directly and major network connection, distributed generation unit by inverter, feed end monitor,
Secondary transformer and Subnetwork connection, for subnet by main transformer and major network connection, major network is by substation and utilizes end monitor
Connection is connect using end monitor with industrial electricity apparatus and distributed power unit,
Wherein, variable pressure structure is two level transformation, and distributed secondary transformer is by the 690V voltages of distributed generation unit
35kV is boosted to, main transformer is then focused on and boosts to 110kV, to be transmitted at a distance, substation is directly by 110kV
It is converted to available voltage and is supplied to distributed power unit.
The variable pressure structure is multiple-transmission-line topological structure, and advantage is：Under conditions of reserved main transformer capacity, convenient for by stages
The expansion of construction project reduces investment cycle, is convenient for capital turnover；It is planned convenient for the microcosmic structure of distributed generation resource so that wind
Resource or the most abundant microcosmic address of light resource are not limited by transmission line design.
Wherein, distributed generation unit is photovoltaic array or small-sized fan.
The service life of maintenance free cell.
Wherein, inverter includes multiple filter coils, multiple capacitances, multiple resistance, multiple relays, a current sense
The anode of device, a voltage sensor and a trigger board, wherein photovoltaic array passes through the first and third filter coil and second
Resistance is connect with trigger board, and the cathode of photovoltaic array is connect by second, four filter coils with trigger board, first resistor and
One, two, three, four capacitances are connected in parallel between photovoltaic array positive and negative anodes, and trigger board is parallel with fourth, fifth capacitance and 3rd resistor,
The positive output of trigger board is connect by the first relay with filter, and the negative output of trigger board passes through fourth, fifth resistance and
Two, three relays are connect with filter, and the 6th resistance is in parallel with third relay, and filter accesses subnet, and current sensor connects
It is connected between the 4th filter coil and trigger board, the positive and negative anodes of voltage sensor are connected to the positive and negative input interface of filter.
The inverter structure can eliminate remaining high frequency line in the DC ripple and grid-connected current that photovoltaic array exports
Wave can stablize the DC bus-bar voltage in inverter, inhibit grid-connected dash current, dash current to be limited within 8A, really
Protect the safety of electronic component in inversion.
Embodiment described above only expresses one embodiment of the present invention, but can not therefore be interpreted as to this
The limitation of invention scope.It should be pointed out that for those of ordinary skill in the art, in the premise for not departing from present inventive concept
Under, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (10)
1. it is a kind of including feed end index block chain distributed energy resource system, by supply section, using part, transmission of electricity part,
Block chain part is constituted, wherein supply section includes centralized power station, distributed generation unit, inverter and feed end prison
Device is surveyed, including industrial electricity apparatus, distributed power unit and end monitor, power transmission section subpackage enclosed tool are utilized using part
Net, major network, secondary transformer, main transformer and substation, block chain part are made of block chain network, block chain network with
Feed end monitor is connected with using end monitor, and carries out data exchange, forms electricity transaction block chain, electricity transaction block
Chain includes that feed end forms block chain, based on electricity transaction block chain at the reasonable disposition of distributed electric power resource, supply
The process A that end forms block chain is as follows：
Step A1 participates in each of distributed energy resource system and respective power demand information is submitted to area using end monitor
This is uploaded using the power information before the monitor of end, passes through the auxiliary of trade market by the trade market of block chain network automatically
Power information is formed power demand by service by calculating, then is submitted to trade market, and then forms preliminary generation schedule；
The information of oneself is distributed to block chain network, passes through feed end by step A2, the feed end monitor in each trade market
It indexes block chain algorithm and forms feed end and index block chain so that each in preliminary generation schedule can using end monitor
It indexes the block information in block chain according to feed end and finds and be suitble to the distributed generation unit of oneself, in order to improve feed end rope
The accuracy for drawing block chain and generation schedule, the generation schedule that needs to enrich constantly includes weather conditions, electricity unit property, city
Information including field wave is dynamic, while continuing to optimize and improving feed end index block chain algorithm；
Step A3 indexes block chain at later in feed end, respectively selection is proceeded by using end monitor in generation schedule,
Specific electricity consumption scene and the property and parameter of each generator unit are considered in the selection process, are formulated intelligent contract, are led to
It crosses intelligent contract and each electricity consumption subset using end monitor, the transaction knot to be optimal is determined according to different situations
Fruit, and carry out generation schedule matching；
Step A4, after generation schedule successful match, each distributed generation unit completes the electrical generation burden of oneself, passes through power distribution system
Operation module of uniting carries out electric power distribution, and energy information is finally transported to corresponding distributed power unit, distribution system operation
Module constantly confirms into the audit of row information with block chain network, is completed with ensureing that each electricity consumption transaction is all accurate, forms electricity
Power transaction block chain.
2. a kind of distributed energy resource system including feed end index block chain according to claim 1, it is characterised in that：
Feed end monitor is connect with block chain network, and indexing block chain algorithm according to feed end generates feed end index block chain, reaches
At common recognition, the feed end index block chain algorithm in step A2 includes the following steps：
Step A2.1, all feed end monitors persistently broadcast power supply information data to block chain network the whole network, and enclose supply
Hold the GID of monitor；
Step A2.2, all feed end monitors independently monitor the whole network data and record of block chain network；
Step A2.3, after time interval t, each feed end monitor is by the information of oneself:<PerpareRequest,
GID,m,g,r,s>, it is sent to block chain network, wherein PerpareResponse indicates whether to be ready to respond to；Characteristic item is：m
For generating capacity, g indicates whether that for regenerative resource, r is sale of electricity price, and s is power generation stabilization degree；
Step A2.4, each feed end monitor calculate the weights of each characteristic item according to table 1 automatically, and select the maximum section of weight
Point sends the information of the distributed generation unit to block chain network<PerpareResponse,GID,m,g,r,s,w>, wherein
W is that the weights of each characteristic item are cumulative；
Step A2.5, after arbitrary feed end monitor receives more than n identical echo messages, common recognition is reached and issues new district
Block, wherein n is the consensus number of the feed end monitor depending on system survivability；
Step A2.6, after the completion of new block, information deletion before is started next round common recognition by each feed end monitor.
3. a kind of distributed energy resource system including feed end index block chain according to claim 2, it is characterised in that：
The weight of generating capacity m is 0.8, and regenerative resource g weights are 0.6, and sale of electricity price r weights are 0.4, power generation stabilization degree s power
Weight is 0.5.
4. a kind of distributed energy resource system including feed end index block chain according to claim 1, it is characterised in that：
Block chain network is defined as array, BN=(G, P, CPSIB,CETB, IC, T, α, β), G={ gi|i∈N+It is feed end monitor
Finite aggregate；P={ pi|j∈N+Be utilize end monitor finite aggregate；CPSIBBlock chain is indexed for feed end；CETBTo utilize end
Index block chain；IC is intelligent contract；T={ tk|tk∈ G × P, k ∈ N+It is electricity transaction collection；G × P is the Descartes of G and P
Collection；α：G→CPSIBFor G to CPSIBMapping, β：P→CETBFor P to CETBMapping.
5. a kind of distributed energy resource system including feed end index block chain according to claim 1, it is characterised in that：
Each block includes block head and block body, and block head is by the hash values of a upper block, the link for realizing block chain, timestamp
And Merkle roots, block body include a plurality of record.
6. a kind of distributed energy resource system including feed end index block chain according to claim 5, it is characterised in that：
Feed end index block chain is recorded as feed end monitor GID, generating capacity m, regenerative resource g, sale of electricity price r, power generation
Degree of stability s, geographical location.
7. a kind of distributed energy resource system including feed end index block chain according to claim 1, it is characterised in that：
Centralized power station is directly and major network connection, distributed generation unit pass through inverter, feed end monitor, secondary transformer and son
Net connection, subnet are connect with using end monitor by substation, are monitored using end by main transformer and major network connection, major network
Device is connect with industrial electricity apparatus and distributed power unit.
8. a kind of distributed energy resource system including feed end index block chain according to claim 7, it is characterised in that：
Variable pressure structure is two level transformation, and using multiple-transmission-line topological structure, distributed secondary transformer is by distributed generation unit
Then 690V boost in voltage focuses on main transformer and boosts to 110kV to 35kV, to be transmitted at a distance, power transformation is stood erectly
It connects and 110kV is converted into available voltage is supplied to distributed power unit.
9. a kind of distributed energy resource system including feed end index block chain according to claim 7, it is characterised in that：
Distributed generation unit is photovoltaic array.
10. a kind of distributed energy resource system including feed end index block chain according to claim 9, feature exist
In：Inverter includes multiple filter coils, multiple capacitances, multiple resistance, multiple relays, a current sensor, an electricity
Pressure sensor and a trigger board, the wherein anode of photovoltaic array by the first and third filter coil and second resistance and are touched
Send out plate connection, the cathode of photovoltaic array connect by second, four filter coils with trigger board, first resistor and first and second,
Three, four capacitances are connected in parallel between photovoltaic array positive and negative anodes, and trigger board is parallel with fourth, fifth capacitance and 3rd resistor, trigger board
Positive output connect with filter by the first relay, the negative output of trigger board by fourth, fifth resistance and second and third after
Electric appliance is connect with filter, and the 6th resistance is in parallel with third relay, and filter accesses subnet, and current sensor is connected to the 4th
Between filter coil and trigger board, the positive and negative anodes of voltage sensor are connected to the positive and negative input interface of filter.
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| CN109146438A (en) * | 2018-07-31 | 2019-01-04 | 温州市图盛科技有限公司 | A kind of decentralization electricity transaction method and system based on block chain technology |
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| CN115796952A (en) * | 2023-02-06 | 2023-03-14 | 北京国网电力技术有限公司 | Distributed energy transaction incentive method based on block chain intelligent contract |
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| CN111066020A (en) * | 2019-07-02 | 2020-04-24 | 阿里巴巴集团控股有限公司 | System and method for creating decentralized identity |
| CN111066020B (en) * | 2019-07-02 | 2023-08-04 | 创新先进技术有限公司 | System and method for creating a decentralised identity |
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