Power Balancing Control for EV Charging and Environmental Load
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Solution Overview
Problem
Existing management systems for electrified vehicles fail to balance power supply and demand effectively while minimizing environmental impact, leading to user inconvenience and increased carbon emissions.
Innovation Solution
A management system that includes a planning unit and management unit to determine power balancing plans for resources connected to an external power supply, considering both resource usage schedules and environmental load, allowing resources to operate as balancing agents by charging or discharging to adjust power supply and demand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If charging is permitted only when environmental load is below threshold, then carbon emissions are reduced, but user convenience deteriorates
Solution Approach 1:
The patent combines multiple resources (electrified vehicles, home appliances, air conditioners) into a unified resource group that collectively participates in power balancing. By merging these diverse resources, the system achieves sufficient total charging capacity while allowing individual resources to operate during low-emission periods, thus reducing overall carbon emissions without compromising user convenience.
Solution Approach 2:
The system dynamically adjusts charging schedules based on real-time environmental load conditions. The planning unit continuously determines optimal power balancing plans that adapt to varying emission levels, enabling resources to charge when environmental load is low and discharge when it is high, thereby dynamically optimizing the balance between emission reduction and user convenience.
2Ease of operation
If power balancing plan is determined according to individual resource use schedules, then user convenience is maintained, but overall environmental load increases
Solution Approach 1:
The patent merges individual resource schedules into a coordinated group strategy. The planning unit creates a unified power balancing plan that synchronizes charging and discharging across multiple resources, ensuring that when one resource charges during high-emission periods, another resource discharges to compensate, thereby maintaining user convenience while reducing overall environmental load.
Solution Approach 2:
The system changes the operational parameters of resources based on environmental load conditions. The planning unit adjusts charging power, discharging power, and timing parameters dynamically, allowing resources to operate at optimized levels that balance user needs with emission reduction goals, thus transforming fixed individual schedules into flexible coordinated operations.
Data Source
AI summary
A management system includes a plurality of resources configured to be electrically connected to an external power supply, and a management device configured to manage the resources. The management device includes a planning unit and a management unit. The planning unit is configured to determine a power balancing plan of each of the resources by using first information on a use schedule of each of the resources and second information indicating a magnitude of an environmental load in a process of generating electric power to be supplied by the external power supply. The management unit is configured to manage the resources to cause each of the resources to operate according to the power balancing plan or a modified power balancing plan in power balancing of the external power supply.