Research On Blockchain Technology Supporting Customer-side Distributed Energy Transaction

The carbon reduction target calls for replacing traditional coal with distributed clean energy.Moreover,due to the continuous development of the national policy to guide the open development of the electricity market,the relevant measures are bound to promote the innovation and development of the energy trading mechanism of the electricity market.The diversified entities of electricity trading,such as power grid companies and electricity sellers,will play an crucial of great importance role in the transaction process of electricity purchase and sale.The distributed energy installed on the customer side is the priority to meet the customer’s needs.It has the characteristics of small scale of total installed power generation,relatively scattered location,large number of overall equipment and high comprehensive energy efficiency.Therefore,we discuss the distributed energy trading on the customer side,innovate the absorption mechanism,and attract more users to participate by issuing subsidies,which can better improve the efficiency of energy trading market opening and achieve the target of carbon emission reduction.This paper improves the efficiency of distributed energy consumption through demand response.It allows users to participate in both distributed energy transactions and demand response,thereby receiving two subsidies.The traditional generation right transaction ledger has high operation and maintenance management cost,non-public and transparent transaction,and insecure data storage.Moreover,the cycle of subsidy accounting is long and the efficiency of subsidy distribution is low.It is not conducive for users to conduct distributed energy transactions and demand response operations at the same time.Blockchain technology with independent decentralization,strong traceability and high transaction transparency,using it can reduce the pressure of audit,supervision,data maintenance and other aspects of energy transactions.Blockchains traditionally use a single consensus mechanism,which is not enough to support complex transactions in multi-business energy blockchains.Therefore,this paper proposes a combination of blockchain to improve the application and innovate the user transaction mode,so as to fit the transaction scenario of customer-side distributed energy.In view of the research needs of free trading of customer-side distributed energy,this paper elaborates the principle and advantages of blockchain applied to distributed energy trading from the underlying architecture of blockchain.In this paper,the seven-layer architecture model and storage structure of blockchain for distributed energy are designed,and the smart contract layer is designed and deployed to make them more suitable for distributed energy trading scenarios.A specific mechanism for verifying transactions is also designed based on zero-knowledge proof.This paper analyzes the common characteristics of demand response and distributed energy absorption,and takes demand response as the means of absorption,I design the node reputation evaluation mechanism,and based on this,propose the distributed energy transaction model and the customer-side demand response interoperability strategy,and then use three algorithms to compare the results of the example.This paper analyzes the consensus principle of five common consensus mechanisms used in energy blockchain projects,and analyzes the advantages and disadvantages of using them in blockchain of distributed energy transaction.The paper also designs energy asynchronous consensus mechanism and distributed energy combination blockchain.Based on the composite blockchain of multi-business distributed energy,the layered consensus mechanism is designed,and the distributed photovoltaic and temperature-controlled load are taken as examples to design the trading strategy research.Finally,the simulation example is analyzed.