| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a power supply where opening control and short-circuiting control of a rectification part output are switched and performed in accordance with an operation state of a rotor and a rotation force supply device in voltage control and input torque of a magnet-type generator is reduced. <P>SOLUTION: The power supply includes the magnet-type generator 1 including the rotor having a magnet constituting a field, a rectifying part 3 rectifying AC current of the magnet-type generator to DC current and supplying power to an electric load, a voltage detecting part VD detecting voltage of the electric load, an opening means SWop interrupting conduction of an output end of the magnet-type generator and short-circuit means SW4 to 6sh which electrically short-circuit the output end, a rotation force supply device RS supplying rotation force to the rotor, a voltage control part 5 controlling voltage of the electric load to a prescribed value in accordance with a voltage detected by the voltage detecting part while opening control for controlling on/off switching of the opening means or short-circuit control for controlling on/off switching of the short-circuit means is selected, and a switch control part 4 switching opening control and short-circuit control in accordance with an operation state on rotation of the rotor so as to perform control. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
