Definition
A direct current generator that uses two sets of field windings — one connected in series with the armature and one connected in parallel (shunt) with it — to combine the characteristics of both winding types. The series winding boosts output voltage as load current rises, while the shunt winding maintains a steady base voltage, producing a generator that holds output voltage relatively constant across a wide range of electrical loads.
Plain English
A DC generator built with two kinds of field coils working together, so that when the aircraft's electrical demand changes, the output voltage stays roughly the same instead of sagging or climbing.
Context Anchor
Seen in aircraft electrical system descriptions and maintenance discussions about DC generator output and voltage control.
Derivation
Compound means 'made of two or more parts combined.' The name describes the construction: two winding types are combined in one generator to get the strengths of both.
Why Pilots Care
It supplies stable electrical power to avionics, instruments, and other systems without large voltage swings that could affect flight operations.
Intuition Check
“Wound” does not mean damaged here; it means wire has been wrapped into coils. “Compound” does not mean a chemical mixture; it means two field winding arrangements are combined in one generator.
Example Sentence 1
The technician explained that the aircraft's compound-wound DC generator was chosen because it maintains stable voltage even when the landing lights and pitot heat are switched on together.
Example Sentence 2
During the 100-hour inspection the technician checked the connections on the compound-wound DC generator to confirm both windings were intact.