[en] The aim of the proposed invesntion is uplifting of the reactor economy by reducing a number of power transformation stages, improving efficiency, energy transport and better matching radiation characteristics with plasma parameters. The above aim is attained when in a pulsed thermonuclear reactor with inertial plasma confinement a target chamber coaxial systems of non cylindrical zea pinches are built -in axes are oriented to the target. It's and external faces are connected with electric energy storage poles. In the course of voltage supply from energy storages to coaxial plasma injectors on their external faces a break-down aoccurs and in interelectrode spaces plasma shells accelerated by electrodynamic forces to injector internal faces are formed. As a result of instabilitias the stored energy is hanged over the loading the role of which is played by a plasma space with anomally strong electric resistance and the energy stored in a magnetic field is transferred to fast particle beam. The efficiency of the energy transfer into the electrons beam can attain 20% into ion beam - 10%