Magnetic circuit for producing alternating fields for longitudinal flow synchronous machine, has inverter rotor guided in center around coil, and permanent magnet equipped rotor amplifying field between poles of different polarities

摘要

The circuit has a coil provided in a center of a stationary excitation part (ET) and supplying direct current. A magnetized coil side is inserted to produce magnetic alternating field at an air gap (Delta e) relative to a reaction part (RT). An inverter rotor (Re) is guided in center around the coil. A permanent magnet equipped rotor amplifies field between adjacent poles of different polarities. The rotors have a same diameter. A leakage flux for constantly holding coil flux is drawn by selection of a circuit segment angle of the inverter rotor and diametric constriction points at the poles.