TY JOUR TI Use photovoltaic modules for powering signaling centralization and blocking devices KW power control devices KW solar energy KW photovoltaic modules KW solar power system KW photoelectric effect KW insolation coefficient KW calculation of the energy supply system KW redundant power supply KW energy strategy «Russian Railways» JO Transport automation research AU Kushpil', I.. AU But, A.. PY 2017 IS 3 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"