公开(公告)号：US20250023344A1

公开(公告)日：2025-01-16

申请号：US18219888

申请日：2023-07-10

Applicant: Hamilton Sundstrand Corporation

Inventor： Francis C. Belisle ,  Joshua C. Swenson ,  Robert C. Cooney ,  Nhia Yang ,  Matthew A. Barker ,  Darin R. Morman ,  Jeffrey T. Wavering ,  Mark Seger

IPC: H02J1/10 ,  H02J1/14

Abstract: A method of power switching includes receiving a command from an external aircraft controller to power an aircraft load from an aircraft voltage bus. The method includes in response to the command from the external aircraft controller, controlling a relay to connect or disconnect an aircraft voltage bus from an aircraft load. Controlling the relay includes current monitoring the relay and voltage monitoring the relay power switching. The method can include receiving temperature feedback indicative of temperature of the relay, and using the temperature feedback for at least one of controlling the relay and/or prognostic and health monitoring. The method can include outputting feedback to the external aircraft controller relating to status, operation, and health of the relay.