Emergency Mobile Communications for Distribution System Restoration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing power systems face challenges in enhancing resilience against extreme events due to the deep interdependency between the cyber and physical layers, which increases vulnerability and extends the impact of disasters.
Innovation Solution
A cyber-physical integrated restoration method and system for distribution systems based on emergency mobile communications, which uses advanced emergency communication technology to restore situational awareness and implements a cooperative restoration method coordinating communication network restoration and load restoration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless emergency communication technology is deployed to restore situational awareness, then communication reliability is improved, but device complexity increases
Solution Approach 1:
The patent introduces mobile emergency communication vehicles as intermediary devices that temporarily establish communication infrastructure in disaster-affected areas. These vehicles serve as mobile base stations and coordination centers, enabling situational awareness restoration without requiring permanent infrastructure changes. The vehicles mediate between damaged communication networks and restoration operations, providing temporary but reliable communication channels.
Solution Approach 2:
The patent implements dynamic deployment and mobility of communication resources. Mobile emergency communication vehicles can be dynamically positioned based on real-time situational awareness needs, and communication network topology is dynamically adjusted during restoration operations. This dynamic approach allows the system to adapt to changing disaster conditions and optimize communication reliability without fixed infrastructure constraints.
2Productivity
If coordinated restoration of communication network and load is implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
The patent merges communication network restoration and load restoration into a single coordinated process. The mobile emergency communication vehicles integrate multiple functions including communication provision, situational awareness collection, and restoration coordination. By combining these functions into unified mobile platforms and integrated optimization models, the system achieves synergistic restoration without requiring separate complex systems for each function.
Solution Approach 2:
The mobile emergency communication vehicles are designed as universal platforms that can perform multiple functions: providing communication services, collecting situational data, coordinating restoration operations, and supporting multiple restoration scenarios. This multi-functionality reduces the need for specialized equipment for each restoration task, improving overall productivity while managing system complexity through standardized universal platforms.
3Loss of time
If mobile emergency communication vehicles are deployed to restore communication paths, then loss of time is reduced, but use of energy increases
Solution Approach 1:
The patent implements preliminary deployment strategies where mobile emergency communication vehicles are pre-positioned or rapidly dispatched to critical areas before complete communication failure occurs. Situational awareness data is collected and analyzed in advance to prioritize deployment locations. This preliminary action reduces the time needed for restoration by having communication resources ready before full disaster impact, while optimizing energy use through strategic pre-positioning rather than continuous deployment.
Solution Approach 2:
The patent applies local quality by deploying mobile emergency communication vehicles selectively to specific high-priority areas rather than uniformly across the entire distribution system. Resources are concentrated in areas with greatest restoration need and highest impact on overall system recovery. This localized approach reduces total energy consumption compared to system-wide deployment while achieving sufficient time reduction in critical restoration paths.
Data Source
AI summary
A cyber-physical integrated restoration method and system for distribution systems based on emergency mobile communications are provided. After extreme natural disasters which cause serious damage to distribution systems, damages of distribution systems are evaluated through system feedback data. When ground communication base stations are unavailable due to the damages, the method can make full use of existing wireless emergency communication resources to provide emergency communication services, and quickly restore the power supply through distribution automation functions with supports of the backup battery of automatic terminal devices, so as to effectively improve the resilience of distribution systems.