Utility Grid Command Filter System for Stability
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Solution Overview
Problem
The management of power grids is inefficient and costly, with existing smart grid technologies facing challenges in effectively filtering and authorizing device commands to prevent adverse effects on the grid when executed simultaneously or in short time windows.
Innovation Solution
A command filter system that analyzes device commands using predetermined rules, historical data, and current operating conditions to authorize or reject commands, preventing undesirable effects on the power grid by applying a set of rules to determine if commands should be executed, and generating rejection messages for unauthorized commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If device commands are executed rapidly or simultaneously in a smart grid, then operational efficiency and responsiveness are improved, but grid stability and reliability deteriorate due to adverse effects from concurrent command execution
Solution Approach 1:
The command filter system performs preliminary analysis of incoming device commands before they are executed. It evaluates multiple factors including the identity of the device, the specific command being issued, current grid conditions, and historical command patterns. This pre-execution screening prevents problematic command combinations from being executed simultaneously, thereby maintaining grid stability while still allowing rapid execution of safe commands.
Solution Approach 2:
The system incorporates feedback mechanisms by continuously monitoring grid conditions and using historical data about command execution outcomes. This feedback loop allows the command filter to learn from past experiences and adjust its filtering criteria dynamically, improving its ability to prevent adverse effects while maintaining high operational efficiency.
2Device complexity
If traditional power grid management methods are used, then system simplicity is maintained, but management efficiency and fault response time deteriorate
Solution Approach 1:
The command filter system acts as an intermediary layer between the control system and grid devices. Rather than completely redesigning the management system, it inserts a filtering component that analyzes and approves commands before execution. This intermediary approach enhances management efficiency through intelligent command filtering while maintaining the overall simplicity of the existing power grid management architecture.
3Reliability
If comprehensive command filtering with multiple rules is implemented, then grid reliability is improved, but system complexity and processing time increase
Solution Approach 1:
The command filtering process is segmented into distinct evaluation stages. The system separately assesses device identity, command type, current grid conditions, and historical patterns in an organized sequence. This segmentation of the filtering process makes the complex multi-factor analysis more manageable and efficient, reducing processing overhead while maintaining comprehensive safety checks.
Data Source
AI summary
A command filter module filters receives a plurality commands intended for receipt by devices interconnected within a utility grid. The command filter module may authorize the plurality of commands for execution by the respective devices based on predetermined set of command rules. Historical and real-time data may be implemented by the command filter module to perform an authorization decision for the plurality of commands. Authorized commands may be transmitted by the command filter module for receipt by the respective devices. The command filter module may generate rejection messages corresponding to unauthorized commands. The rejection messages may be transmitted to a source of an unauthorized command.


