In order to provide a magnetic nance imaging apparatus capable of operating a superconducting magnet which operates in a driven mode with stability without using liquid helium, the pnt invention provides a magnetic nance imaging apparatus in which a power supply unit for supplying current to a superconducting coil The information on at least one of the power supply state from the outside, the operation state of the refrigerator, the temperature of the superconducting coil, the intensity of the static magnetic field, the value of the current flowing through the superconducting coil, and the nuclear magnetic nance signal detected by the detection section A control unit that controls a current to be supplied to the superconducting coil.液体ヘリウムを用いず、かつ、ドリブンモードで運転する超電導磁石を安定させて運転できる磁気共鳴イメージング装置を提供する為に、本発明は、超電導コイルに電流を供給する電源部に当該電源部への外部からの電力供給状態、冷凍機の動作状態、前記超電導コイルの温度、静磁場強度、前記超電導コイルに流れる電流値、および、検出部の検出した核磁気共鳴信号のうち、少なくとも一つの情報に基づいて、前記超電導コイルに供給する電流を制御する制御部を備える。
