Starter/generator arrangements for gas turbine engines
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 11, 2025
Grant Date -
Jul 18, 2024
app pub date -
Jan 13, 2023
filing date -
Jan 13, 2023
priority date (Note) -
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Abstract
A variable frequency starter generator (VFSG) system includes a VFSG having a start mode and a generate mode, a permanent magnet generator (PMG) and a main generator section and an exciter section. The system also includes a controller electrically connected to the VFSG. The controller flow start mode three phase electrical power from aircraft power to the exciter of the VFSG in the start mode and flows single phase electrical power to the exciter of the VFSG in the generate mode. The controller includes: an input active rectifier that receives input AC power and converts it to DC power and provides it to across a positive rail and negative rail; an output inverter coupled to an output of the input active rectifier; and one or more line inductors connected along one or both of the positive rail and negative rail between the input active rectifier and the output inverter.
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