Blockchain Consensus Control for Secure Distributed Energy Grids
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Solution Overview
Problem
Current smart grid control systems, such as SCADA, IEC 61850, and IEEE 1547, are vulnerable to cyber and physical attacks, lacking secure and automated control mechanisms for distributed energy and computation systems, which hampers the reliability and efficiency of the electric delivery system.
Innovation Solution
The TransActive Grid (TAG) system implements a market-based, peer-to-peer control and settlement platform using self-executing smart grid contracts on a blockchain network, enabling secure, autonomous, and decentralized control of distributed energy resources, where nodes can transact and validate energy and computation values autonomously, ensuring secure and transparent transactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If traditional centralized control systems (SCADA, IEC 61850) are used for smart grid management, then automation and control functionality are achieved, but security vulnerability to cyber and physical attacks increases
Solution Approach 1:
The patent segments the centralized control architecture into multiple decentralized nodes distributed across the grid. Each node operates autonomously using blockchain consensus mechanisms, eliminating the single point of failure inherent in traditional SCADA systems. This segmentation distributes control functionality while enhancing security through cryptographic verification at each node.
Solution Approach 2:
The patent introduces blockchain technology as an intermediary layer between grid participants. The blockchain ledger acts as a trusted mediator that records and validates all transactions and control decisions without requiring a central authority, thereby maintaining automation while securing communications through cryptographic protocols.
2Adaptability or versatility
If distributed energy resources and peer-to-peer transactions are implemented, then system flexibility and efficiency improve, but control complexity and coordination difficulty increase
Solution Approach 1:
The patent implements a universal blockchain-based platform that handles multiple functions including energy trading, control coordination, settlement, and monitoring across diverse distributed resources. This multi-functional approach standardizes interactions between different energy assets, simplifying control complexity while maintaining high adaptability to various resource types and transaction scenarios.
3Productivity
If autonomous peer-to-peer transactions between nodes are enabled, then settlement efficiency and market responsiveness improve, but validation and consensus coordination overhead increases
Solution Approach 1:
The patent employs preliminary actions by pre-configuring smart contracts and validation rules on the blockchain before transactions occur. Nodes have pre-established cryptographic identities and authorized transaction templates, allowing for rapid validation of peer-to-peer energy trades without time-consuming ad-hoc verification, thus maintaining high transaction efficiency while minimizing consensus overhead.
Data Source
AI summary
A system for the cryptographically-secure, autonomous control of devices comprising, connected to or remotely operating devices in an electrically powered network and the transaction of the benefits, costs or value created by or transacted through the devices in this electrically powered network.