Power Network Protection Zone Configuration via Fault Simulation
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Solution Overview
Problem
Conventional power network protection systems require manual configuration, which is tedious and prone to errors, and lacks real-time reliability due to the absence of live data and tools for identifying protection zones effectively.
Innovation Solution
A method and system that determine protection zones in a power network by analyzing single line diagrams, simulating network faults, and managing protection unit configurations using artificial intelligence and machine learning algorithms to ensure reliable protection against faults.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual configuration of protection units is performed by commissioning engineers, then configuration can be completed based on domain expertise, but the process becomes tedious and error-prone
Solution Approach 1:
The system enables self-service by automatically determining protection zones and configuring protection units without requiring manual intervention from commissioning engineers. The automated system processes single line diagrams, identifies protection zones, and configures protection units autonomously, eliminating the tedious manual configuration process while maintaining high reliability through systematic algorithms
Solution Approach 2:
The patent replaces the manual mechanical configuration process with an automated computational system. Instead of commissioning engineers manually entering data and configuring protection units, the system uses software to automatically process single line diagrams, determine protection zones, and configure protection units, substituting human manual work with automated digital processes
2Ease of operation
If protection zones are manually identified from single line diagrams, then configuration can be completed, but manual errors occur due to lack of live data and identification tools
Solution Approach 1:
The system introduces an intermediary automated identification process that acts as a mediator between the single line diagram and the protection zone configuration. This intermediary system automatically analyzes the single line diagram, identifies protection zones, and validates configurations, eliminating the need for manual identification and preventing human errors while maintaining ease of operation
Solution Approach 2:
The system performs preliminary action by automatically determining protection zones before the configuration process begins. By pre-identifying protection zones and validating their configurations against systematic criteria, the system ensures reliability is established upfront, preventing errors that would otherwise occur during manual identification and configuration
3Device complexity
If conventional protection systems are configured without automated validation, then configuration process is simple, but reliability against real-time faults is compromised
Solution Approach 1:
The system implements feedback by automatically validating protection zone configurations and providing verification that the configured zones will correctly handle real-time faults. The feedback mechanism checks whether protection units are properly configured to respond to faults, ensuring reliability without requiring complex manual validation procedures
Solution Approach 2:
The system performs preliminary validation of protection configurations before deployment. By automatically checking whether protection zones are correctly configured to handle various fault scenarios, the system ensures reliability is established in advance, preventing configuration errors from reaching the operational phase
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 2
AI summary
A method, a protection configuration system (200), and a computer program product for configuring a protection unit (401A, 402A, 403A, 404A, 405A, or 406A) in a power network (400), are provided, comprising determining one or more protection zones (401, 402, 403, 404, 405, 406, 407, 408) in the power network (400); simulating at least one network fault (409) for each of the protection zones (401, 402, 403, 404, 405, 406, 407, 408); virtually injecting the at least one network fault (409) in the protection zone (401, 402, 403, 404, 405, 406, 407, 408) associated therewith; and managing configuration of one or more protection units (401A, 402A, 403A, 404A, 405A, or 406A) of the protection zones (401, 402, 403, 404, 405, 406, 407, 408), based on a response of the one or more protection units (401A, 402A, 403A, 404A, 405A, 406A) to the network fault (409).