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Information × Registration Number 0218U003709, 0117U001759 , R & D reports Title Autonomous power supplies for life support systems for civil protection facilities popup.stage_title Head Kushnir Andriy Petrovych, Registration Date 06-07-2018 Organization L'viv Fire State University of Vital Activity Safety popup.description2 Report on research: 95 pp., 4 chapters, 45 figures, 3 tables, 71 source. PROTECTIVE CONSTRUCTIONS, ELECTRICAL SUPPLY, PROTECTED DIESEL POWER PLANTS, AUTONOMOUS POWER SUPPLIES, STORAGE BATTERIES, INVERTERS The aim of the work is the synthesis of automatic control systems and circuit solutions for reserving the power supply of life support systems of civil defense protective structures using alternative sources of electricity. Taking into account the electrical component of absolutely all types of life support systems for civil defense protective structures, providing them with electricity is a priority. Therefore, the development and use of power supply schemes from autonomous sources for reserving the supply of power consumers of life support systems for protective structures, as an alternative to the use of generator sets with internal combustion engines, is an urgent task that has scientific and practical significance. It is justified in the work that the use of accumulator batteries and voltage inverters in autonomous sources for redundancy of power supplies of electric receivers of life support systems of protective structures leads to an increase in the efficiency of their operation. In many of these systems, asynchronous motors are used to drive the actuators, for their normal operation it is necessary to provide a three-phase sinusoidal voltage. The system of backup power supply of these motors from an autonomous source with storage batteries and voltage inverters is proposed in the work by implementing the law of frequency regulation of start-up with ensuring their long-term operation. The use of the proposed cascade voltage inverters, which provide the formation of stresses of a quasi-sinusoidal shape, allow to reduce energy losses in electric consumers of life support systems of protective structures and, thereby, to increase the time of their operation. Product Description popup.authors Веселівський Роман Богданович Шаповалов Олег Валерійович popup.nrat_date 2020-04-02 Close