ELECTRICAL POWER SYSTEM

  • The Electrical Power Subsystem (EPS) is dedicated for power generation and control, energy storage, and power distribution. It carries out the following functions:
  • Supply continuous power to the loads during the mission lifetime (voltage 3.5 and 5 V)
  • Control and distribute electrical power to the satellite.
  • Fulfill the loads average and peak power requirements.
  • Provide regulated voltage bus to the loads.
  • Provide command control capability and telemetry of the subsystem’s health.
  • Protect the spacecraft against any failures within EPS.
  • Provide digital measurement to the main unit OBC through I2C interface of:
  • Battery voltage and current.
  • DC bus current.
  • Battery State of Charge SOC |(A.h).
  • Solar arrays voltage and current.
  • 5V bus voltage and current.
  • 3.3V bus voltage and current.

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