EPS
Electrical and Power Subsystem
Advanced power management with efficient generation, storage, and distribution for continuous operations.
Overview
The Electrical and Power Subsystem generates, stores, and distributes electrical power across the mission. It handles demanding payload requirements while maintaining reliability throughout the satellite's operational lifetime.
High-efficiency solar arrays with MPPT, intelligent battery management, and robust power distribution ensure continuous operation during both sunlit and eclipse periods. The system includes comprehensive protection circuits and housekeeping telemetry for ground monitoring.
Specifications
| Parameter | Value |
|---|---|
| Solar Panel Efficiency | 28–30% |
| Battery Capacity | 20–25 Wh |
| Battery Configuration | 2s2p Li-ion |
| Power Generation | 8–12 W |
| Regulated Rails | 3.3V, 5V, 12V |
| Mission Duration | 2+ years |
System Components
Solar Panels
High-efficiency solar arrays (28–30% efficiency) with deployable design for maximum surface area. Includes Maximum Power Point Tracking (MPPT) for optimal energy harvesting under varying illumination.
Battery Management
2s2p Li-ion pack with 20–25 Wh capacity. Features intelligent charge/discharge management, cell balancing, and comprehensive protection against overcharge, overdischarge, and thermal runaway.
Power Distribution
Multiple regulated voltage rails (3.3V, 5V, 12V) with overcurrent protection, load switching, and housekeeping telemetry for real-time power monitoring.