EPS Fault Management Software Overview for Electrical Power Subsystem by Jimmy Nguyen
Explore the hardware protection and power modes of EPS fault management software developed by Jimmy Nguyen for the Electrical Power Subsystem. Learn about the implemented protection mechanisms, power modes, major challenges, and communication solutions. View photodiode angle conversion and flow diagram illustrations. Questions or comments? Contact Jimmy Nguyen on his website at http://sdsl.club.asu.edu/ or via email at jnguye22@asu.edu.
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Presentation Transcript
EPS/Fault Management Software Jimmy Nguyen Electrical Power Subsystem Member http://sdsl.club.asu.edu/ 1
Overview Hardware implemented protection Fault software Photodiode angle conversion SDS-1 Simulation 2
Hardware Implemented Protection ClydeSpace EPS Board, Solar Panels, Battery Over-Current Bus Protection Solid state switches Battery Under-Voltage To prevent over discharge Uses comparator circuit w/ hysteresis. EPS Board (Courtesy of ClydeSpace) 3
Hardware Implemented Protection Battery Over-Current -Polyswitch protection - Shuts down supply busses Stand-Alone Battery (Courtesy of ClydeSpace) 4
Power Modes Full Load Normal Operation A Normal Operation B Normal Operation C Normal Operation D Standby Mode Load Shed Mode SDS-1 Simulation 5
Major Problem How do we communicate if all components are off? - Hardware never powers off forever Chrome error icon 6
Photodiode Angle conversion using PIC microcontroller Testing stages Photodiode Demo Setup 8
Questions or Comments? Name: Jimmy Nguyen Website: http://sdsl.club.asu.edu/ Email: jnguye22@asu.edu 9
