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Title: EVALUATION OF NONLINEAR CIRCUITS WITH INTRINSIC SAFETY USING SPARK TEST APPARATUS SIMULATOR
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EVALUATION OF NONLINEAR CIRCUITS WITH INTRINSIC SAFETY USING SPARK TEST APPARATUS SIMULATOR
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1314-2704
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English
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19
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1.2
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Explosion prevention and explosion protection are of major importance for occupational health and safety in order to minimize losses (both human and material). This paper aims to increase the ability to evaluate intrinsically safe protection equipment by using the standardized means and the simulation based on the ignition diagrams within the equipment certification body to perform tests on low current equipment protected by the type of protection intrinsic safety intended for use in explosive atmospheres by implementing specific requirements. For simple circuits with a nonlinear characteristic it is possible to assess the non-ignition capability using the standardized means and the simulation based on the ignition diagrams of the SR EN 60079-25 standard.
The first part of the paper presents the analysis and characterization of nonlinear sources use in intrinsic safety circuits. The second part of the paper presents the computer application developed in MATLAB/Simulink platform, which will facilitate the assessment of low current circuits according to the possible failure scenarios. The pre-processed data from the reference charts and tables available in the reference standard make it possible to carry out an application prototype for evaluating simple circuitry of low currents, being validated by the application presented in this article. |
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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837-844
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30 June - 6 July, 2019
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website
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cdrom
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5151
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explosive atmosphere; explosion protection; electrical equipment; intrinsic safety
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