Power distribution system and load management protocol therefor

Details Power distribution system and load management protocol therefor Power distribution system and load management protocol therefor

2005-05-25

2009-11-24

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

C244S058000, C244S075100

Reexamination Certificate

active

07622821

ABSTRACT:
An Auxiliary Power System includes an APU controller and an aircraft load controller which include an APU load capacity algorithm which provides an uncomplicated and robust method of APU load control. The APU load capacity algorithm defines three load zones: a continuous APU load capacity zone (zone A); a time controlled zone (zone B); and a fault zone (zone C). Each zone is related to altitude to the service ceiling of the APU to provides consistent APU load capacity that addresses APU performance variation and deterioration effects to an end of the APU useful life.

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