FIELD: electricity.
SUBSTANCE: power and control system of electric equipment of aircraft engine or its instrumentation includes at least one power bus with DC voltage, at least one unit of power modules; at that, number of modules exceeds minimum number required for electric power supply to electric equipment of the group so that reserve module can be involved; at that, each module includes voltage converter to obtain on its output the AC voltage from DC voltage on power bus, and switching unit connected between outputs of unit of modules and equipment of the group of equipment. Modules and switching unit is controlled to supply power to each kind of equipment of the equipment group, thus connecting it at least to one of the modules, and by using the reserve module at failure of one of other modules.
EFFECT: simple and safe system providing activation of increasing number of electric equipment of engine and its instrumentation is designed.
10 cl, 9 dwg
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