An aircraft power generation unit to generate direct current (DC) power provided to a load includes a permanent magnet generator (PMG) that includes first, second, third and fourth sets of windings, each of the winding sets including three windings and a rectifier section with four six pulse rectifiers the produce outputs of Vdc1 to Vdc4 respectively and a common local output bus. The unit also includes an output bus configured to be connected to the load and including a positive output bus rail and a negative output bus rail and a controller that receives an input signal from at least one of the output sets and selectively couples either the common local output bus and fourth rectifier negative rail to the output bus negative rail and one or more of the first to third six-pulse rectifiers to the output bus positive rail to provide a constant voltage to the load.
Direct current voltage regulation of permanent magnet generator
2019-10-16
Patent
Electronic Resource
English
Direct current voltage regulation of permanent magnet generator
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