FIELD: conversion of heat energy. SUBSTANCE: invention is meant for usage in devices converting heat energy of source of geothermal heat composed of mixture of geothermal fluid and geothermal steam to electric energy. Method of realization of thermodynamic cycle includes expansion of gaseous working flow, conversion of its energy to form suitable for usage, generation of waste working flow, heating of coming multicomponent liquid working flow thanks to partial condensation of waste working flow, evaporation of heated working flow to form gaseous working flow with use of heat liberated with joint cooling of geothermal fluid and condensation of geothermal steam. EFFECT: enhanced productivity and efficiency as compared with systems in which geothermal fluid and geothermal steam are used separately. 16 cl, 2 dwg
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