Witz , a power transmission solution specialist, announced on the 11th that it has been selected for the 'World Class+' research and development (R&D) project hosted by the Ministry of Trade, Industry and Energy, and will begin full-scale development of next-generation vehicle power conversion systems and V2X (Vehicle to Everything) technology.
This project aims to develop a '20kW integrated power conversion system for single-phase/three-phase and charging system for V2X-supporting vehicles', and a total budget of approximately KRW 4.5 billion will be invested over four years from 2025 to 2028. Of this, approximately KRW 3.2 billion is government subsidies. Witz will form a consortium with KG Mobility, Korea Automobile Research Institute, and Chung-Ang University to jointly promote this project, and will conduct integrated development including actual vehicle verification.
The '3-in-1 integrated power conversion module' being developed is a form that integrates LDC (low voltage converter), OBC (onboard charger), and PDU (power distribution unit) into a single system. This can reduce the number of parts, alleviate power loss and duplicate cost issues, and increase weight reduction and design efficiency. Witz plans to apply the technology to various vehicle platforms such as SUVs, commercial vehicles, and pickup trucks and expand B2B supply to complete vehicle customers.
In addition, V2X technology, which enables two-way power exchange between vehicles and external power grids or devices, has also been included as a major development task. V2X consists of V2L, which supplies power to the outside of the vehicle, V2H for power supply to homes, V2G for power grid connection, and V2V for power sharing between vehicles, and is attracting attention as a key technology in the smart mobility and energy infrastructure fields.
A company official said, “Integrated power modules and V2X technology are becoming core infrastructure for the electric vehicle industry,” and “Based on the technological prowess acquired through this national project, we will expand collaboration with domestic and foreign automakers and further solidify our position in the future battlefield business.”
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