Remove Climate Protection Remove Grid Remove Power Grid Remove Supplies
article thumbnail

Rolls-Royce successfully tests mtu 250 kW fuel cell demo system for blackout case and peak power

Green Car Congress

—Dr Philippe Gorse, responsible for the development of the mtu fuel cell system at the business unit Power Systems of Rolls-Royce The interaction of fuel cell modules, batteries and power grid was the focus of the tests to demonstrate the ability of an uninterruptible power supply for data centers.

article thumbnail

Audi & Hager Group investigating bidirectional charging at home

Green Car Congress

As this proportion grows, however, the basic dilemma associated with these renewable energy sources remains: first, electricity cannot always be supplied when it is required and second, on sunny days and in high-wind conditions, there is often a lack of capacity for storing the energy generated.

Audi 243
article thumbnail

Volkswagen’s first two production battery-electric vehicles debut at Frankfurt

Green Car Congress

In doing so the power electronics convert the direct current (DC) stored in the battery into alternating current (AC) and use this to drive the motor. Via a DC/DC converter it also supplies the vehicle’s circuitry with voltage of 12 V. This maximum phase current of the power electronics is limited in the e-up! e-instruments.