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CONTENTS
| WATERTREATMENT AND WATER PURIFICATION | 4 |
| Garyaev A.B., Yurkina M.Yu., Matukhnov T.A., Matukhnova O.D. Repeated mains water softening as a method of saving energy and resources in the heat supply system | 4 |
| ENERGYSAVING TECHNOLOGIES | 10 |
| Yuferev L.Yu., Parakhnich A.S. Modeling the parameters of a solar water-lifting plant | 10 |
| Burov V.D., Krasichkov A.S. Estimation of the influence of preliminary fuel heating on the thermal economy indicators of CCGT-CPP | 14 |
| Antonov V.I., Turov D.S. Solar energy efficiency for energy conservation | 19 |
| Zamaleev M.M., Abramov A.V., Yakovlev A.A., Zamaleeva A.V., Maleshina M.A. Possibilities of thermal processing of plastic at CHP | 23 |
| Frolova A.A., Petrov G.A. Required level of heat protection of enclosing constructions for public buildings in Russia and European countries | 27 |
| Antonov V.I., Tolstoy D.S. On the use and implementation of solar renewable energy | 33 |
| Khvostikov A.S., Dyker D.K. Recovery of low potential heat at thermal power plants | 37 |
| RESEARCH, DESIGN, CALCULATIONS | 42 |
| Kuryanov V.N., Kul’kov V.G., Firsov Yu.V., Norov D.Sh., Popova M.V. Development of a methodology for predicting reliability indicators and monitoring the efficiency of power equipment using digital technologies in the context of the transition to digital active-adaptive networks with a distributed intelligent automation and control system | 42 |
| Shaposhnikov V.V., Batko D.N. Development and verification of a mathematical model for the T-145 / 160-130 power unit in order to study the shutdown and replacement of steam extraction by high-pressure heaters | 46 |
| Sobol A.N., Andreeva A.A., Kolomeitsev A.E. Development of protection devices for autonomous asynchronous generators wind power plants from stator winding damage | 54 |
| Seregin A.A., Tokareva A.N., Gracheva N.N., Nedopekina A.A. Justification of the layout of infrared emitters in the repair shop using the experimental design program | 57 |
| Pavlov M.V., Karpov D.F. Engineering calculation method of winter greenhouse combined heating system | 64 |
| Shelest V.A., Amerkhanov R.A., Tsygulev N.I., Marchenko M.E., Sinegubov A.P. Simulation of automatic re-activation power lines | 69 |
| NEWS, ISSUES, OPINIONS | 73 |
| Puzach S.V., Lebedchenko O.S., Spiridonov V.P. Analysis of the causes of accidents and features of fires at nuclear power plants | 73 |