| 摘要 |
PURPOSE:To perform rising of a load with high accuracy, by providing a feedback loop of load voltage in a field weakening control circuit of a power generator and by setting the voltage of the basis on the load voltage and the voltage measured value in a controller of a power source device peforming excitation of magnetic field coils of which a nuclear fusion device is constituted. CONSTITUTION:A voltage detector 12 detecting coil voltage, a current detector 13 detecting coil current and an operation setting device 15 deriving the setting of the coil voltage by an operation are provided to a troidal coil 1. To control the coil current, the set value of the coil voltage is operated at the setting device 15 on the bisis of the measured value by detectors 12, 13. The deviation signal between a feedback signal from the detector 12 obtained through an amplifier 14 and the set signal of the setting device 15 is amplified 9, and an output of a thyristor exciting device 10 is controlled by the deviation signal and an output of a generator 2 is controlled. |
