TY JOUR TI USING SOLAR PANELS TO INCREASE THE RELIABILITY OF POWER SUPPLY SYSTEMS FOR AUTOMATION AND SIGNALING EQUIPMENT KW solar panels KW uninterruptible power supply KW automatic fire alarm systems JO Scientific Papers Collection of the Angarsk State Technical University AU Konovalov, Y.V. AU Haziev, A.N. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»