A relatively simple 1000 watt pure sine wave inverter circuit is explained here. As can be seen in t… | Circuit diagram, Electronic circuit design, Circuit projects
500W Power Inverter Circuit using Transistor 2N3055 - Inverter Circuit and Products
DIY Cheap 1000W Pure Sine Wave Inverter (12V to 110V/220V) : 26 Steps (with Pictures) - Instructables