Coordinating EV Charging via Blockchain

Increasing electric vehicle (EV) penetration in distribution networks necessitate EV charging coordination. This paper proposes a two-stage EV charging coordination mechanism that frees the distribution system operator (DSO) from extra burdens of EV charging coordination. The first stage ensures that the total charging demand meets facility constraints, and the second stage ensures fair charging welfare allocation while maximizing the total charging welfare via Nash-bargaining trading. A decentralized algorithm based on the alternating direction method of multipliers (ADMM) is proposed to protect individual privacy. The proposed mechanism is implemented on the blockchain to enable trustworthy EV charging coordination in case a third-party coordinator is absent. Simulation results demonstrate the effectiveness and efficiency of the proposed approach. Index Terms--Electric vehicle (EV) charging coordination, Nash bargaining, alternating direction method of multipliers (ADMM), blockchain.

show abstract

“…where ρ 2 (k)> 0 is a penalty parameter in iteration k; and γ it (k) is the Lagrangian multiplier of constraint (28) in iteration k.…”

Section: ) Admm-based Algorithm For Problem P2mentioning

confidence: 99%

“…2 in [27]. The charging welfare function (the charging service income minus the charging power reduction compensation) and charging constraints of a CS, and the parameters of EVs, CSs, and the distribution network are provided in our previous work [28]. Five CSs are randomly selected as delegates in the simulations.…”

Section: A Datamentioning

confidence: 99%

A Two-stage Autonomous EV Charging Coordination Method Enabled by Blockchain

Jian

Yan

Chen

2021

Journal of Modern Power Systems and Clean Energy

Self Cite

View full text Add to dashboard Cite

show abstract

“…The technical core of this solution lies in a JD (jump-diffusion) process for energy exchange. The innovation in [140] is the combination of Ethereum and Lagrange relaxation. This solution can not only maximize charging profit but also prevent malicious collusion attacks.…”

Section: Charging and Discharging Of Electric Vehiclesmentioning

confidence: 99%

When Blockchain Meets Smart Grids: A Comprehensive Survey

Guo¹,

Wan²,

Cheng³

2021

Preprint

View full text Add to dashboard Cite

Recent years have witnessed an increasing interest in the blockchain technology, and many blockchainbased applications have been developed to take advantage of its decentralization, transparency, fault tolerance, and strong security. In the field of smart grids, a plethora of proposals have emerged to utilize blockchain for augmenting intelligent energy management, energy trading, security and privacy protection, microgrid management, and energy vehicles. Compared with traditional centralized approaches, blockchain-based solutions are able to exploit the advantages of blockchain to realize better functionality in smart grids. However, the blockchain technology itself has its disadvantages in low processing throughput and weak privacy protection. Therefore, it is of paramount importance to study how to integrate blockchain with smart grids in a more effective way so that the advantages of blockchain can be maximized and its disadvantages can be avoided.This article surveys the state-of-the-art solutions aiming to integrate the emergent blockchain technology with smart grids. The goal of this survey is to discuss the necessity of applying blockchain in different components of smart grids, identify the challenges encountered by current solutions, and highlight the frameworks and techniques used to integrate blockchain with smart grids. We also present thorough comparison studies among blockchain-based solutions for smart grids from different perspectives, with the aim to provide insights on integrating blockchain with smart grids for different smart grid management tasks. Finally, we list the current projects and initiatives demonstrating the current effort from the practice side. Additionally, we draw attention to open problems that have not yet been tackled by existing solutions, and point out possible future research directions.

show abstract

“…For an information leakage problem, [47] improved the confidentiality mechanism in the blockchain. For collusion behavior, [48] proposed a blockchain-based coordination platform via Ethereum, to alleviate the harm caused by this behavior to some extent.…”

Section: Introductionmentioning

confidence: 99%

A Novel Power Market Mechanism Based on Blockchain for Electric Vehicle Charging Stations

Huang

Lai

et al. 2021

Electronics

View full text Add to dashboard Cite

This work presents a novel blockchain-based energy trading mechanism for electric vehicles consisting of day-ahead and real-time markets. In the day-ahead market, electric vehicle users submit their bidding price to participate in the double auction mechanism. Subsequently, the smart match mechanism will be conducted by the charging system operator, to meet both personal interests and social benefits. After clearing the trading result, the charging system operator uploads the trading contract made in the day-ahead market to the blockchain. In the real-time market, the charging system operator checks the trading status and submits the updated trading results to the blockchain. This mechanism encourages participants in the double auction to pursue higher interests, in addition to rationally utilize the energy unmatched in the auction and to achieve the improvement of social welfare. Case studies are used to demonstrate the effectiveness of the proposed model. For buyers and sellers who successfully participate in the day-ahead market, the total profit increase for buyer and seller are 22.79% and 53.54%, respectively, as compared to without energy trading. With consideration of social welfare in the smart match mechanism, the peak load reduces from 182 to 146.5 kW, which is a 19.5% improvement.

show abstract

Coordinating EV Charging via Blockchain

Cited by 41 publications

References 20 publications

A Two-stage Autonomous EV Charging Coordination Method Enabled by Blockchain

A Two-stage Autonomous EV Charging Coordination Method Enabled by Blockchain

When Blockchain Meets Smart Grids: A Comprehensive Survey

A Novel Power Market Mechanism Based on Blockchain for Electric Vehicle Charging Stations

Contact Info

Product

Resources

About