Grid Overlay for V2G Load Precision in Overlapping Utility Zones
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Solution Overview
Problem
Determining the available load for Vehicle-to-Grid (V2G) services from plug-in electric vehicles is challenging due to overlapping utility provider services within a zip code, making it difficult for vehicles to provide energy back to the intended utility provider.
Innovation Solution
A method and system that divide a geographic region into smaller units associated with specific utility providers, allowing for accurate calculation and management of V2G load by identifying and qualifying vehicles within those units to participate in demand response events, thereby enabling efficient energy contribution to the grid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a zip code is used as the geographic unit for V2G load calculation, then the coverage area is large and fewer units are needed, but the precision of determining available load for a specific utility provider deteriorates due to overlapping utility services
Solution Approach 1:
The patent divides a zip code into multiple smaller geographic units (e.g., census blocks, grid cells) to resolve the contradiction. Each small unit is associated with a specific utility provider, allowing precise determination of available V2G load for each utility while maintaining comprehensive coverage through the aggregation of all units within the zip code.
2Measurement precision
If the geographic region is divided into smaller units associated with specific utility providers, then the precision of determining available load improves, but the system complexity increases due to the need to manage multiple units and their associations
Solution Approach 1:
The patent creates a universal geographic unit structure that can be applied across multiple zip codes and utility providers. The standardized unit definition and association methodology provide a multi-functional framework that simplifies system management despite the increased number of units, as the same processes can be replicated across different regions and utilities.
Solution Approach 2:
The patent assigns specific properties to each geographic unit based on its location and associated utility provider. Each unit has localized characteristics (utility provider association, geographic boundaries) that enable precise load determination while the overall system maintains a consistent structure, reducing complexity through standardized local assignments.
3Quantity of substance
If vehicles are included in V2G requests from multiple utility providers within the same zip code, then the potential V2G participation increases, but the accuracy of matching vehicles with the correct utility provider deteriorates
Solution Approach 1:
The patent segments the zip code into multiple smaller geographic units, each associated with a specific utility provider. This segmentation allows the system to identify which utility provider serves each vehicle's location, enabling accurate matching while still capturing all potential V2G participants across the entire zip code by aggregating results from all units.
Data Source
AI summary
A system and method for managing a demand response (DR) event requests divides a geographic region into a plurality of units, wherein each unit is associated with a specific utility provider; issues a DR event request from the specific utility provider for at least one particular unit of the plurality of units; determines which of a plurality of vehicles are in the at least one particular unit; determines a subset of the plurality of vehicles that meet qualifying criteria of the DR event request; and sends a vehicle to grid (V2G) request to the subset of the plurality of vehicles to participate in the DR event request.