Safety Consideration for a 48/60 VDC Aircraft distribution system


This document shall provide the fundamental safety considerations in pursuing the design of a 48/60 VDC aircraft electrical system. This departure from the current standard of 28 VDC will provide the benefits of reducing the operational weight and fuel consumption of the aircraft by increasing the DC system voltage level.


This SAE Aerospace Information Report is intended to provide comprehensive reference and background information pertaining to the safety considerations in the development and design of a 48/60 VDC aircraft electrical generation and distribution system. Pursuing this endeavor is to mirror the commercial telecommunication and data server market current deploying dc equipment utilizing system voltage of 48/60 VDC.

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