The design, principle of operation and basics of operation of the power systems of the turbine workshop of the nuclear power plant with VVER-1200 of Russia . Designed for students with a complex of knowledge in the disciplines of general engineering course: higher mathematics, fluid mechanics, technical thermodynamics, material resistance, theoretical mechanics, etc. The training manual meets the requirements of the program for the training of specialists in the operation of steam turbine plants of nuclear power plants with VVER-1200 . It can be used by engineering and technical personnel working in the field of operation and repair of steam turbine plants of NPP. The training manual is intended for students of the direction of training 14. 05. 02 "Nuclear power plants: design, operation and engineering", 13. 03. 02 "Electric power engineering and electrical engineering", can also be used in the preparation of students in other specialties studying these courses.