Electrical Power Subsystem (EPS)

Function

Provide Regulated Electrical Power to All Spacecraft Loads during All Mission Phases

Design Features

• Regulated Direct Energy Transfer System
• 4 Solar Array Panels (2 GaAs, 2 Si) Capable of Generating 667 W @ Aphelion
• 2 - 20 Amp-hr Nickel Hydrogen (NiH2) Batteries
• 28 Vdc +/-2% Regulated Bus
• Individual Load Fault Protection Provided by Fuse Board Assembly
• Single Point Ground
• Design Minimizes Magnetic Fields
• Extensive Reuse Of MO Hardware

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