Electric power conversion systems – Cascaded or combined – diverse conversions in which the... – Current and phase
Reexamination Certificate
2005-09-05
2010-10-12
Laxton, Gary L (Department: 2838)
Electric power conversion systems
Cascaded or combined, diverse conversions in which the...
Current and phase
C363S064000, C363S125000, C323S255000
Reexamination Certificate
active
07813147
ABSTRACT:
The invention relates to the electrical power supply of aircraft and notably of large commercial aircraft.According to the invention, the aircraft is equipped with an AC-DC converter that distributes power over a DC network starting from a three-phase alternating voltage of 230 volts applied to its main inputs (E1, E2, E3). The converter comprises an autotransformer which preferably has nine outputs (A1, A2, A3, B1, B2, etc.) for a nine-phase rectification. These outputs are applied to a rectifier bridge with 18 diodes. When the aircraft is on the ground, the AC power is delivered at 115 volts from a ground generator; it is applied via a three-phase connector (CAUX) to auxiliary inputs (M1, M2, M3) connected to intermediate taps of the three-phase windings forming the AC-DC converter.
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Laxton Gary L
Lowe Hauptman & Ham & Berner, LLP
Quddus Nusrat J
Thales
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