1981-02-01

Aircraft Multi-Bus Electrical System Using a Hall-Effect Sensing Device 810569

The multi-bus electrical system, using a Hall-effect sensing device, is designed to meet FAR requirements. The system allows the automatic separation of a faulted bus through the use of the Hall-effect device. Should the loss of both generators occur, the battery will automatically become isolated from the loads associated with the generators as well as automatic isolation of the electric heat and the air conditioning motor. The battery is capable of supplying essential power for at least 30 minutes on the battery (if a 34-AH NiCad is used) in night, IFR, icing conditions. The system can be pre-flight tested from the cockpit and this capability can be used by field service for problem solving in the field.

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