PURPOSE: A generator is provided to reduce the amount of Co2 by generating clean energy through minimum power. CONSTITUTION: A cutout hole part(4) is respectively formed in a rear part of a rotary direction of an N pole and a S pole of a field core. The protruded part of the cutout hole part(5) is formed one side of the cutout hole part. The protruded part of the cutout hole part is opposite to the rotation flux which is generated in an amature core. Electricity is generated by rotation of the field core. The rotation flux is generated in a load angle of the amature core. Gauss magnetic flux is formed from the inside of the protruded part of the cutting hole part and is opposite to the pole of rotation flux of the amature core.