-
Article
Geothermal Heat Supply in Russia
Geothermal heat supply occupies the second place among the renewable energy sources around the world in installed capacity (70.3 GW) and in the amount of generated thermal energy (163 (TW h)/year). It is outpe...
-
Article
Geothermal Power Supply Systems around the World and in Russia: State of the Art and Future Prospects
Solar and geothermal energy systems are shown to have received the widest use among all kinds of renewable sources of energy for heat supply purposes around the world. The power capacities and amounts of therm...
-
Article
Stabilizers of electric-power parameters of wind installations on frequency direct converters
Technical solutions of voltage regulators and current frequency of asynchronous generators of wind-power installations made with the direct frequency converters are discussed. Comparative analysis of them is c...
-
Article
Self-contained inverters in uninterrupted power-supply devices
Design characteristics of uninterrupted power-supply devices are considered. An engineering solution of a self-contained inverter with a booster high-frequency converter and a block diagram of the modular unin...
-
Article
Reliability of the alpha coordinate-measurement engine
A method of evaluating the technical state of systems when in use that makes it possible to determine the onset of rapid ageing of a system as well as other operating characteristics, such as cost of failure a...
