Application of blockchain for secure data transmission in distributed state estimation

Sajjad Asefi, Yash Madhwal, Yury Yanovich, Elena Gryazina

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The application of renewable energy sources in the power grid increases the necessity of tracking the systems state, especially in smart grids, where there is a bidirectional transfer of data and power. The complexity of coupling between communication and the electrical infrastructure in a smart grid will create a higher chance for security breach. Increasing the state estimation accuracy will help the smart grid operator efficiently manage the system. The paper proposes an integration of distributed state estimation with a blockchain designed communication platform. Additionally, the asynchronous manner for data transmission, which is more likely to happen in the real world, has been considered as the second task of this research. Finally, a detailed analysis of the blockchainbased application in distributed state estimation is provided. The numerical analysis shows that the proposed method meets real-world performance requirements and brings high security and reliability to the distributed state estimation process.

Original languageEnglish
JournalIEEE Transactions on Control of Network Systems
DOIs
Publication statusPublished - 2021

Keywords

  • Blockchain
  • Blockchains
  • Distributed algorithms
  • Mathematical models
  • Network systems
  • Optimization
  • Power measurement
  • Power system control
  • Power systems
  • Smart contract
  • Smart grids
  • State estimation

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