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CONSIDERATION REGARDINGS THE ENTRIES IN FLAMEPROOF ENCLOSURES OPERATING IN POTENTIALLY EXPLOSIVE ATMOSPHERES

Diana Sălășan, Mihai Magyari, Lucian Moldovan, Marcel Rad, Dragoş Fotău

Abstract

The evaluation of explosion-proof electrical equipment for certification is particularly important given the risk of explosion and must be minimized. This in order to ensure the safety of life, health of workers, to prevent damage to goods and the environment when they meet the essential security requirements at European level. Directive 2014/34 / EU states that equipment used in explosive atmospheres must be designed to operate without endangering the environment for which it is intended. This paper deals with the analysis of explosion protection characteristics for the flameproof enclosures cable entries. Several studies were made on the reliability of electrical equipment and installations. Types of protection represents all the specific measures that are applied to electrical equipment in order to avoid the ignition of the explosive atmosphere surrounding the equipment. This paper proposes the study and evaluation of the requirements for flameproof enclosures. In order to verify explosion protection, the representative samples made available by explosion-protected equipment manufacturers are tested under the worst possible conditions that may occur in practice. The paper aims at studying and assessing the requirements for elements that are part of the entries for flameproof enclosures with types of protection flameproof enclosure Ex d. An analysis has been made of the equipment and components to be purchased. A test procedure has been developed to check the test procedure has been developed to check the elements that are part of the entries for flameproof enclosures.

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DOI resolver: doi.org/10.5593/sgem2020/1.2/s06.086

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