Abstract
The new airplane utilizes a no-bleed systems architecture, in which the traditional pneumatic system and bleed manifold are eliminated and most functions formerly powered by bleed air are converted to electric power. The key benefits of the new electrical power systems architecture include improved fuel consumption, due to a more efficient secondary power extraction, transfer, and usage. Reduced maintenance costs, due to elimination of the maintenance-intensive bleed system. Improved reliability due to the use of modem power electronics and fewer components in the engine installation. Reduced weight and part count.
The new electrical power system has completed the systems integration, installation, and test Power On sequence for the first time. Power On is a complex series of tasks and tests that bring electrical power onto the airplane and begin to exercise the use of the electrical systems. This new airplane is a more-electric airplane with the pneumatic, or bleed air, system being totally replaced by electronics.