EV Battery Discharge Target Selection for User-Aware VPP Control
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Solution Overview
Problem
Users of electric vehicles (EVs) may lose motivation to participate in virtual power plants (VPPs if the power supply to determined discharge destinations is not advantageous, disrupting energy optimization.
Innovation Solution
A power supply managing system that includes a charge amount recognizing section, a scheduled date-and-time-of-use recognizing section, and a power supply target determining section to identify optimal power supply targets based on the charge amount, current time, and target attribute information, ensuring that power is supplied to users and facilities in a manner that enhances participation motivation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If power supply targets are determined based on current SOC and charge-requesting SOC of EV batteries, then power supply can be organized in the VPP, but user motivation to participate in VPP is reduced when power supply is not advantageous to users
Solution Approach 1:
The system implements feedback by notifying users of the determined power supply targets and providing information about power supply conditions. This allows users to understand how their battery power is being utilized and provides transparency that maintains participation motivation even when power supply targets are optimized based on SOC metrics rather than user preferences.
2Device complexity
If power supply targets are determined solely based on battery charge amounts, then power supply optimization is simplified, but the system cannot ensure advantageous power supply for users with upcoming usage needs
Solution Approach 1:
The system performs preliminary action by determining power supply targets in advance based on current battery charge amounts before users actually need the power. By notifying users of the determined targets ahead of time, the system allows users to plan accordingly while maintaining simplified SOC-based determination logic. This preliminary determination ensures users receive advantageous power supply information before making usage decisions.
3Ease of operation
If the system notifies users of determined power supply targets, then user awareness and motivation are enhanced, but additional communication infrastructure and processing are required
Solution Approach 1:
The notification system acts as an intermediary between the power supply management system and users. It translates complex power supply target determinations based on SOC metrics into user-friendly notifications that inform users of their determined power supply targets. This intermediary layer enhances user awareness without requiring direct complex system-user interaction, maintaining simplicity while improving communication.
Data Source
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AI summary
There is provided a power transmission/reception system capable of enhancing motivation of users of movable bodies including batteries, such as EVs, to participate in a VPP. A power supply system (1) including a charge amount recognizing section (32) that recognizes a charge amount of a battery (7) mounted on a movable body (5), wherein when the movable body (5) is in a state where power supply from the battery (7) to a charge and discharge apparatus (13) is possible, a power supply target is determined based on the charge amount of the battery (7) and a current time, the power supply target being to undergo power supply from the battery (7) .