| 摘要 |
<p>PROBLEM TO BE SOLVED: To generate electric power for a plurality of systems by changing the number of serial connections of a coil wire group, in order to change the power in response to the number of rotations of a rotor. SOLUTION: A stator is formed of a stator core forming a slot portion and coil wires U1 to 3, V1 to 3, and W1 to 3, wound between the slots. Each coil wire is wound to a plurality of three-phase coil groups U1-V1-W1, U2-V2-W2, U3-V3-W3 to provide one kind of overlapped output waveform at the stator core, and a terminal of each coil wire is independently isolated via switching relays 1R to 12R. A controller controls the switching relay to ON and OFF states, in response to the rotating speed to connect in series, for example, all three-phase coil groups during the low speed rotating operation and controls, in order to reduce the number of serial connections of the three-phase coil wire groups, depending on the increase of the rotating speed of the rotor.</p> |
