Centralized EV Charging Reservation System Optimizing Station Utilization
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Solution Overview
Problem
Current electric vehicle charging systems face inefficiencies due to low interoperability between different charging networks, unpredictable availability of charging stations, and poor utilization of Electric Vehicle Service Equipment (EVSEs, leading to long wait times and inefficient resource allocation.
Innovation Solution
A method and system for managing and scheduling electric vehicle charging sessions, including reserved and ad-hoc charging, load management, and power distribution, which utilizes a centralized reservation system to optimize EVSE usage, integrate with EVSEs via protocols like OCPP, and implement dynamic power adjustment based on demand and usage states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a centralized reservation system is implemented to optimize EVSE usage, then EVSE utilization is improved, but device complexity increases
Solution Approach 1:
A centralized reservation system acts as an intermediary between electric vehicles and EVSEs, managing bookings, monitoring availability, and coordinating charging sessions. This mediator consolidates control logic in one system rather than distributing it across multiple EVSEs, improving overall utilization while containing complexity in a centralized management layer.
2Loss of energy
If dynamic power adjustment is implemented based on demand and usage states, then energy efficiency is improved, but control complexity increases
Solution Approach 1:
The system continuously monitors demand signals and EVSE usage states, then dynamically adjusts power distribution accordingly. Sensors and communication modules provide real-time feedback on charging needs, EVSE status, and grid conditions, enabling the control system to optimize power allocation and minimize energy waste through responsive adjustments.
3Adaptability or versatility
If interoperability protocols like OCPP are integrated, then interoperability is improved, but device complexity increases
Solution Approach 1:
The reservation system is designed to support multiple communication protocols including OCPP, enabling it to interface with various EVSE manufacturers and charging standards. This universal protocol support allows a single system to work across different equipment types and networks, improving interoperability while the centralized architecture manages the complexity of multi-protocol integration.
Data Source
AI summary
Embodiments of a method and/or system for charging one or more electric vehicles (e.g., based on one or more reserved charging sessions; for charging an electric vehicle during a scheduled time period; etc.) can include: receiving a reservation request (e.g., a reservation request including one or more reservation parameters; etc.); scheduling a reserved charging session based on the reservation request (e.g., based on reservation parameters from the reservation request; etc.); determining a check in at an Electric Vehicle Service Equipment (EVSE) for the reserved charging session; and/or causing the EVSE to charge the electric vehicle based on the reserved charging session (e.g., during the scheduled time period; etc.).