Design and Implementation of Demand Response Scheme Based on Blockchain

doi:10.12204/j.issn.1000-7229.2022.05.009

Abstract

Abstract:

In order to solve the problems of high cost and untimely communication caused by the lack of mutual trust among various subjects in the process of demand response, on the basis of combing the general technical principles of block chain, this paper presents the overall architecture, transaction flow, data chain design, intelligent contract design, network building scheme and consensus mechanism of the blockchain demand response scheme, and carries out benefit analysis from multiple dimensions. It provides a train of thought for not only making use of the advantages of centralized management, but also providing non-centralized deposit certificate and supervision function. The simulation builds the corresponding alliance chain network on the demand composed of seven nodes, verifies the feasibility of the architecture and model, and gives an example of interface design. By building the benefit function of demand response blockchain application and taking the demand response scenario in Henan as an example, this paper demonstrates that the application of block chain technology to demand response is economic and feasible.

Key words: demand response, blockchain, system design, benefit analysis

CLC Number:

TM73

BU Feifei, WANG Yuanyuan, BAI Hongkun, HUA Yuanpeng, HAN Ding, WANG Han, JIA Yibo, XIN Yuhua. Design and Implementation of Demand Response Scheme Based on Blockchain[J]. ELECTRIC POWER CONSTRUCTION, 2022, 43(5): 79-89.

Figures/Tables 20

Fig.1 Schematic diagram of Merkle tree processing process

Fig.2 Schematic diagram of blockchain data association verification

Fig.3 Schematic diagram of IBFT consensus mechanism design

Table 1 Comparison of smart contracts in existing blockchain platform

Fig.4 Intelligent contract deployment based on blockchain

Fig.5 Key data exchange and service framework of blockchain demand response system

Fig.6 Flow chart of blockchain demand response in pre-preparation stage

Fig.7 Flowchart of the preparatory phase of the blockchain demand response

Fig.8 The process from business data storage to audit chain

Fig.9 Overview of DID architecture and the relationship of the basic components

Fig.10 The entries in a DID document

Table 2 Key data of demand response certificate

Fig.11 Hierarchical design of demand response blockchain network

Fig.12 Schematic diagram of cross-chain conversion between demand-response blockchain and external blockchain

Fig.13 The demand responds to the bid data of the user

Fig.14 Settlement confirmation time-consuming and subsidy cost data

Fig.15 Design example of traceability and inconsistency detection of power consumption data of power users

Table 3 Parameter setting of benefit analysis

Fig.16 The changing trend of ROI with the technical reform years n of blockchain

Fig.17 The changing trend of ROI with the start-up times X of demand response activities

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