Slavnov Yurii Alekseevich RussiaMoscow National Research University "MEI", 14, Krasnokazarmennaya St., Moscow, 111250associate professorCandidate of Technical SciencesYASlavnov@rambler.ru Author's articles The calculation of the efficiency of the hybrid power plant on the base of the high temperature fuel cells Investigation of the high-temperature proton-exchange membrane fuel cell and calculation of the efficiency of the electrochemical power installations on its basis