Infineon, Delta Electronics introduce new bidirectional charging system

MANILA: Automotive semiconductors provider Infineon Technologies AG and Taiwan-based global leading power and energy management solutions provider Delta Electronics developed a three-in-one system that integrates solar, energy storage, and electric vehicle charging.

Bidirectional charging allows solar power from the photovoltaic system to be stored in batteries for electric vehicles and homes and be recirculated into the home grid at night or when it is needed to use home appliances.

Bidirectional inverters enable the use of electric vehicles for emergency backup power for homes as well as charging and buffer storage. More new vehicles are now equipped with this feature. New vehicle-to-home (V2H) and vehicle-to-grid (V2G) solutions may also be implemented using bidirectional energy flow in the future.

The new system by Delta Electronics allows a maximum continuous current of 34 A and boasts peak efficiencies of more than 97.5%. Energy-efficient power semiconductors made of silicon carbide (SiC) from Infineon are used to improve power density. Compared to silicon-based semiconductors, the SiC-based ones minimize energy losses when converting current by around half. Additionally, the size of charging stations can be reduced by around 30%. SiC boosts the performance of photovoltaic systems, reduces the time needed to charge at wall boxes and fast chargers, and increases the range of electric vehicles by 5% to 10%.

Photo from Infineon Technologies

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