FIELD: mechanical engineering; conversion of steam thermal energy into mechanical energy. SUBSTANCE: steam turbine has shaft 3 arranged over part of its length in housing 4 being passed through housing 4. Housing 4 has high pressure side 10 and opposite to high pressure side, waste steam side 12 and setting valve 30 to control steam flow delivered into housing 4. Magnetic bearings 6, 8, 14 arranged inside housing 4 at high pressure side 10 and at waste steam side 12 provided oil free installation of shaft 3. One electromagnetic actuator drive 28 provides oil free operation of setting valve 30. EFFECT: reliable unfailing operation of steam turbine. 8 cl, 3 dwg
