low voltage Power Generation System is a lightweight solution being used by the United States
Army for board vehicle power (OBVP) generation to their Fuel-Efficient
Ground Vehicle Demonstrator (FED). Kollmorgen says the system enables the FED Alpha vehicle to
provide 30kW of power at 28V dc, over a wide engine operating band. Kollmorgen's
low voltage power generation platform consists of flexible power electronics
that support multiple generator configurations and mild hybrid
capability. The generator system used in the FED vehicle is an in-line
ISG 28V dc, 30kW liquid cooled generator with three 10 kW air cooled power
electronics modules, which communicate on J1939 software protocol. The low
voltage platform also includes a belt driven air cooled generator that produces
30kW at 28V dc, utilizing the same controllers as the ISG system.
Siemens and Fraunhofer Institute for Laser Technology have achieved a faster production process based on selective laser melting for speeding up the prototyping of big, complex metal parts in gas turbine engines.
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