Fuzzy System Application for Determining of Electrical Maintenance Priority
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Abstract
This paper presents a criterion and priority of electrical maintenance based on fuzzy system. Thermal
imager is one of equipment in electrical engineering field that is used for electrical system inspection and
maintenance. Normally. hotspots that are inspected by a thermographer are analyzed based on a
conventional criterion, which only referred temperature rise. The temperature rise is a different of temperature
between actual temperature of a hotspot and reference temperature. As the conventional criterion is not able
to indicate and represent a degree of equipment damage completely. This paper Introduces the alternative
methodology of decision making for electrical maintenance planning. The paper not only considers the
temperature rise but also included other factors such as a percent of load operating and a degree of critical
equipment The three factors are applied to an input of the fuzzy system and the rule based of the fuzzy
system is advised and created by an electrical engineer which they have an experience in electrical
Inspection by thermal imager. The output of the fuzzy system is the criterion and priority of electrical
maintenance based on fuzzy system As the result. the criterion and priority of electrical maintenance based
on fuzzy system is able to indicate a degree of equipment damage better than the conventional criterion (the
temperature rise based) The benefit of this paper describes the alternative methodology :o define a suitable
priority for electrical maintenance planning. If inspectors have a suitable criterion of electrical maintenance. the operation cost, maintenance cost and an outage time will be reduced automatically
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