EVSE Charging Profile Fallback for Communication Loss
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The communication breakdown between electric vehicle supply equipment (EVSE) and a central control system impedes efficient allocation of charging resources, leading to potential system failures and inefficiencies.
Innovation Solution
Implementing a default charging profile that allows EVSEs to continue providing charging resources when communication with the central control system is lost, ensuring fair and efficient resource allocation by defining a maximum amount of charging resources based on predefined profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a central control system is used to allocate charging resources, then resource allocation efficiency is improved, but system reliability deteriorates when communication connection is broken
Solution Approach 1:
The EVSE control system stores a default charging profile in advance that defines maximum charging resources. When the communication connection to the central control system is broken, the EVSE automatically switches to using this pre-stored default profile, ensuring continuous operation without interruption to charging services.
Solution Approach 2:
The EVSE control system is designed to autonomously detect communication connection status and automatically switch between central control system instructions and locally stored default charging profiles without requiring manual intervention, maintaining charging operations even when isolated from the central system.
2Measurement precision
If communication connection is maintained with central control system, then resource allocation accuracy is improved, but system complexity increases
Solution Approach 1:
The system implements a hierarchical control structure where the central control system provides global resource allocation optimization, while each EVSE maintains local autonomy with stored default profiles. This allows the system to achieve high resource allocation accuracy through central coordination when available, while keeping individual EVSE units relatively simple in design.
Data Source
AI summary
A method for providing charging resources to electric vehicles comprising a control system of an electric vehicle supply equipment, EVSE, storing a default charging profile. The default charging profile defines a first maximum amount of charging resources that the EVSE may provide to charging electric vehicle(s). The control system receiving from a central control system, via a communication connection, a charging profile that defines a second maximum amount of charging resources that the EVSE may provide to charging electric vehicle(s). The control system effectuates the received charging profile by causing the EVSE to provide at most the second maximum amount of charging resources to charging electric vehicle(s). The control system determining that the communication connection is broken and, based on this determination, effectuating the default charging profile causing the EVSE to provide at most the first maximum amount of charging resources to the charging electric vehicle(s).