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New solid state technologies and light emission diodes as a mean of control and lighting source applicable to explosion proof equipment, with the scope to reduce maintenance, to limit the risk of bad maintenance and to expand the plants' life

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2 Author(s)
Rudi Vittori ; Cortem Group, Via Aquileia, 10, 34070 Villesse (GO), Italy ; Antonello Scaburri

As time goes by, the safety in classified areas at risk of explosion in electrical plants highly depends on maintenance; especially, depending on how often and how accurate it is performed. Maintenance costs affect significantly plant operating costs. The application of electronic devices in the process control, and the use of solid state lighting, instead of common electromechanical equipment and traditional lamps, may reduce maintenance operations or even, in some cases, avoid them for the whole equipment life time. We carried out a case-study, an empirical inquiry to investigate the phenomenon within its real-life context (i.e. in plants) and came to the conclusion that such devices may extend ordinary maintenance interventions and even reduce maintenance significantly. As a result, plant operating costs are reduced and higher safety levels achieved, less human intervention means less human maintenance errors. This paper is meant to identify which equipment can be replaced by solid state equipment and LED, to calculate the costs reduction and to define the consequent achievable safety level, all analyzed through FMECA (failure modes effect and criticality analysis).

Published in:

2009 Conference Record PCIC Europe

Date of Conference:

26-28 May 2009