The utility model provides the utility model discloses a IGBT driven high voltage isolation power supply circuit relates to a high voltage isolation power in order to solve the power is kept apart in the drive of present IGBT when not high and IGBT establishes ties with high voltage isolation power isolation voltage structure complicacy, it is with high costs, bulky scheduling problem. Said circuit includes the magnetic ring transformer, three high frequency rectifier module, and three voltage stabilizing module in advance, positive 15 lie prostrate voltage stabilizing module, and positive 5 lie prostrate voltage stabilizing module, and burden 10 lies prostrate voltage stabilizing module, and the three secondery side winding on the magnetic ring transformer respectively connects a high frequency rectifier module, and a voltage stabilizing module is in advance connected to every high frequency rectifier module's output, every is linear voltage stabilizing module of output connection of voltage stabilizing module in advance. Owing to adopted magnetic ring and high tension cable, can realize the isolation voltage of tens thousand of volts easily be applicable to the electric current generating line type that makes up distributing type power supply system, a plurality of IGBT's of distribution concentrated power supply in realizing series connection IGBT's power supply or realizing big space