Ulysses Upper Equipment Bay

You clicked on the Power Control Unit (PCU).

The Power Control Unit is part of the Power Subsystem which regulates and distrubutes power to the spacecraft. The PCU contains the following functional units:

• Shunt regulation system.

• Mainbus Undervoltage (MUV) protection.

• Subsystem Reconnect Logic (SRL).

• Linear power dumper saturation detector

• Main bus capacitor bank.

• Latching current limiters.

• Switched for the External Power Dumpers (EPDs).