"灯丝电源绕组" can be translated as "filament power winding" in English. Here, "filament" refers to the thin wire in a light bulb that emits light when heated by an electric current, "power" indicates the electrical energy or supply, and "winding" refers to the coil of wire that forms part of an electrical component, such as a transformer or an inductor. In this context, it specifically refers to the winding that provides power to the filament.