Research of experimental hybrid energy complex with fuel cells operating on biogasA. B. Loskutov, E. N. Sosnina, A. I. Chivenkov, E. V. Kryukov and A. P. ShashkinE3S Web Conf., 124 (2019) 01044DOI: https://doi.org/10.1051/e3sconf/201912401044