Grid Regulation Control for Combined V1G and V2G Resources
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Solution Overview
Problem
Existing grid regulation technologies are limited by the unidirectional power flow of V1G resources, leading to underutilization of energy storage devices and reduced economic value, while V2G technologies are not compatible with V1G systems, preventing simultaneous leveraging of both technologies for enhanced grid regulation services.
Innovation Solution
A method and system that enables concurrent use of V1G and V2G resources by determining a preferred operating point, predicting capacities, and dynamically activating V1G resources when V2G resources approach their limits to enhance grid regulation services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If V1G technology is used for grid regulation services, then unidirectional power flow from grid to energy storage device is enabled, but the ability to discharge power back to the grid is lost, limiting the operational range and economic value of the resource
Solution Approach 1:
The patent combines V1G and V2G resources into a unified grid regulation service pool, allowing the system to leverage both unidirectional and bidirectional power flow capabilities simultaneously. This merging enables the grid regulation service provider to access a broader range of operational modes while maintaining compatibility with existing V1G infrastructure.
Solution Approach 2:
The patent creates a universal grid regulation service framework that can accommodate multiple resource types (V1G and V2G) with different power flow capabilities. The system universally manages both charging and discharging operations, allowing energy storage devices to provide regulation services in multiple directions based on grid needs and resource capabilities.
2Adaptability or versatility
If V2G technology is deployed for bidirectional power flow, then the operational range and service capabilities are expanded, but compatibility with V1G systems is lost, preventing simultaneous utilization of both technology types
Solution Approach 1:
The patent introduces a grid regulation service pool as an intermediary layer between V1G and V2G resources and the grid. This intermediary manages the complexity of bidirectional power flows and resource coordination, allowing V2G resources to provide enhanced services while V1G resources continue to operate in their unidirectional mode without direct compatibility issues.
Solution Approach 2:
The patent segments the grid regulation service into different resource pools or categories based on technology type (V1G vs. V2G). This segmentation allows each technology type to operate independently according to its capabilities, while the overall system coordinates them to provide comprehensive regulation services without requiring full compatibility between different technology types.
3Ease of manufacture
If V1G resources are used for grid regulation, then the system is simpler to deploy, but the amount of power that can be absorbed and the rate of energy absorption are limited, reducing the economic value of the service
Solution Approach 1:
The patent merges V1G and V2G resources into a unified service pool, combining the deployment simplicity of V1G with the high power absorption and discharge capabilities of V2G. This combination allows the system to maintain ease of deployment for existing V1G infrastructure while incorporating V2G resources that can provide significantly higher power absorption rates and bidirectional capabilities.
Solution Approach 2:
The patent creates a composite resource pool that combines different technology types (V1G and V2G) with complementary characteristics. This composite approach allows the system to leverage the strengths of each technology type—V1G's simplicity and V2G's high capacity—to provide a grid regulation service that is both easy to deploy and highly productive.
4Adaptability or versatility
If only V2G resources are utilized for grid regulation services, then the full bidirectional capability is available, but V1G resources remain underutilized, representing a loss of potential economic value
Solution Approach 1:
The patent creates a universal resource pool that accepts both V1G and V2G resources, allowing each type to contribute according to its capabilities. V2G resources provide bidirectional regulation services when needed, while V1G resources contribute unidirectional charging services, ensuring that neither technology type is excluded or underutilized.
Solution Approach 2:
The patent merges previously separate V1G and V2G resource pools into a unified grid regulation service pool. This merging allows the system to simultaneously utilize bidirectional V2G resources for full-capacity regulation services and unidirectional V1G resources for additional regulation capacity, eliminating the underutilization that would occur if only V2G resources were deployed.
Data Source
AI summary
Certain aspects of the present disclosure provide a method for providing a grid regulation service, including: determining a preferred operating point for use with one or more grid regulation resources of a first type; determining a predicted regulation up capacity and a predicted regulation down capacity of the one or more grid regulation resources of the first type for the grid regulation service period; commencing the grid regulation service period based on an indication; performing a grid regulation service during the grid regulation service period by varying a power delivery rate of the one or more grid regulation resources of the first type; and enabling one or more grid regulation resources of a second type to participate in the grid regulation service during the grid regulation service period.