8 tools
Power Budget
Power Budget
Load table with duty cycles & phases → sunlight, eclipse, orbit-average and peak power.
Power Budget
Orbit Energy Balance
Battery SoC simulated over the orbit — balance check and resulting depth of discharge.
Generation
Solar Array Sizing
SMAD method: required array power, area, mass and BOL→EOL degradation chart.
Storage
Battery Sizing
Capacity from eclipse load & DoD, series/parallel cell layout, mass, recharge power.
Storage
Cycle Life & DoD
Mission cycles from the orbit and the max allowed DoD per chemistry, with curves.
Distribution
Power Chain Efficiency
Array-to-load efficiency cascade, required source power and per-stage dissipation.
Distribution
Wire Gauge & Drop
AWG resistance, voltage drop, power loss, current-density check and harness mass.
Reference
Cells, Batteries & Buses
Solar cell types, battery chemistries with DoD guidance, bus voltages and power classes.