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ASPECTS REGARDING THE VOLTAGE IMPULSE IGNITION TEST FOR STATOR INSULATION SYSTEMS OF ELECTRIC MOTORS USED IN POTENTIALLY EXPLOSIVE ATMOSPHERE
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D. Fotau;M. Magyari;L. Moldovan;M. Rad;D. Salasan
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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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Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosion that has to be minimized in order to ensure life safety and health of workers and to prevent damaging of property and the environment, as well as free movement of goods when they meet the essential safety requirements at European level.
The standards SR EN 60079-0 (Explosive atmospheres. Part 0: Equipment. General requirements) and one or more of the standards containing the specific requirements for the type(s) of protection applied to equipment (ex. SR EN 60079-7 for the type of protection increased safety "e"), are used to perform the assessment. Due to the fact that electric motors with type of protection Increased Safety, whose supply voltage exceeds 1000 V, presents a high risk of sparks occurring in windings, it is necessary to perform tests to verify that the insulation of the windings is adequate and does not lead to electric discharge (through electric springs or sparks) at winding levels. The tests by which these aspects are verified are the voltage impulse ignition test and the overvoltage-ignition test, applicable to electric motors with increased safety protection type. |
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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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671-676
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30 June - 6 July, 2019
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website
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cdrom
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5129
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increased safety; certification; explosive atmosphere; test.
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