System and method for maintaining soft switching condition in a gradient coil driver circuit

System and method for maintaining soft switching condition in a gradient coil driver circuit

  • CN 103,675,730 A
  • Filed: 09/13/2013
  • Published: 03/26/2014
  • Est. Priority Date: 09/14/2012
  • Status: Active Application
First Claim
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1. a system, comprising:

  • Gradient coil drive, it is configured to the gradient coil supply electric signal to magnetic resonance imaging system, and wherein said gradient coil drive comprises;

    Electronic circuit, described electronic circuit comprises;

    The one H bridge circuit, it is electrically coupled to power supply, and a wherein said H bridge comprises;

    A plurality of mos field effect transistor (MOSFET) switch;

    A plurality of diodes, itself and the electric coupling in parallel of each switch mosfet, each diode arrangement in wherein said a plurality of diodes becomes conduction current to cause across the source electrode of in described a plurality of switch mosfets and the no-voltage electromotive force of drain electrode;

    AndLoad, it is configured to regulate the electric current of each switch mosfet in each and the described a plurality of switch mosfet flow through in described a plurality of diode.

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