The present invention relates to a non-rotating alternating current generating device for generating an AC current, comprising: two or more generator units placed next to each other, wherein the generator unit includes a round bar-shaped core member, a field magnet in which an electric line is wound and a first hollow portion is formed in the central portion, the field magnet disposed on the outside of the core member through the first hollow, an armature in which an electric line is wound and a second hollow portion is formed in the central portion, a pole piece provided between the field magnet and the armature, and insulating plates disposed between the field magnet and the pole piece and between the armature and the pole piece, and wherein the generator units are connected in series or parallel to the input and output terminals.