What occurs when an IDG is disconnected?

When an Integrated Drive Generator (IDG) is disconnected, the corresponding generator is unable to supply power to the aircraft's electrical system. This is because IDGs are designed to supply power while they are connected and synchronized with the aircraft's electrical network. Once disconnected, the generator becomes isolated from the system, preventing it from providing electrical power necessary for various systems and components on the aircraft.

This event can lead to power management challenges, as the aircraft must rely on other power sources, such as the remaining generators or the Auxiliary Power Unit (APU), to maintain electrical systems' functionality. Understanding this mechanism is critical for effectively managing power sources in flight operations and ensuring the safety and efficiency of the aircraft's systems.