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Fuel cells in aircraft applications are gaining more and more interest because of higher possible efficiency and increasing air pollution standards. A necessary supplement is an efficient, lightweight and reliable DC/DC-converter to adjust the weak fuel cell characteristic to the voltage level of buffer batteries and drive inverters. Cosmic radiation, condensation, strict EMIlimits and significantly...
There is a growing need for an electrical generation and distribution system for modern commercial aircraft. In the field of aviation, there is a trend towards ‘more electric aircraft’, which implies the substitution of the hydraulic and pneumatic systems by electrical ones. This trend, in effect, results in an increasing demand for energy. In aircraft construction, there is a state‐of‐the‐art inflexible...
The reduction of pollutant emissions and hence the increasing of the eco efficiency of future aircraft is one of the major challenges for the aviation industry. Executing the More Electric Aircraft concept can be one approach to achieve these high targets. One idea in this context is to substitute the traditional Auxiliary Power Unit by a Multifunctional Fuel Cell System. It is necessary to transform...
A major demand of the aviation industry is the reduction of emissions in combination with cost efficiency improvement. One possible approach to face this challenge is the replacement of the conventional auxiliary power unit by a fuel cell system within a “more electric aircraft” design. In order to integrate a fuel cell system into the grid architecture of modern aircraft new protection arrangements...
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