300kW DC fast charger has 96 percent efficiency

January 22, 2021 // By Nick Flaherty
300kW DC fast charger has 96 percent efficiency
The Siemens SiCharge D fast charger for electric vehicles has a voltage range up to 1,000 V, current range of 1000A  and scalable power up to 300 kW

Siemens Smart Infrastructure has launched a 300kW DC fast charger with a peak efficiency of 96 percent.

The Sicharge D fast charger is aimed at highway and urban fast charging stations, city parking as well as shopping malls and provides one of highest peak efficiencies on the market at 96 percent, scalable charging power and dynamic power sharing.

This dynamic parallel charging adjust the charger for the individual power demand of each connected car and automatically adapts the charging process to the EV's battery technology and charging status.

“With its upgradability and dynamic charging, it is a big step forward to support the future of eMobility. Our customers can be sure to be prepared for future eventualities of eMobility, be it increasing number of required charging options or increasing charging speeds,” said Birgit Dargel, Global Head of Future Grids at Siemens Smart Infrastructure. “At the same time, it is one of the most efficient fast chargers currently available on the market – an important aspect since building sustainable mobility requires careful handling of the scarce resources we are using.”

The efficiency of the fast charger is above 95.5 percent for all loads and the peak of 96 percent helps to reduce operational costs. The scalable design is intended to support vehicles with higher charging power in the future and demand higher voltage ranges with plug-and-play field upgrades.

The fast charger already supports voltages between 150 and 1000V and currents of up to 1000A across all DC outlets for full power loads for future 800V electric vehicles as well as the lower voltage charging rates demanded by todays mainstream vehicles.

The standard configuration has two DC and one AC outlet housed in a compact design that minimizes installation complexity, and there is also the option to expand the Sicharge D with up to two external dispensers.

For an improved user experience, an integrated 24-inch adjustable display allows to easily operate the Sicharge D fast charger and


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