Documentação de convênios
URI permanente desta comunidadehttps://rigalileo.itegam.org.br/handle/123456789/173
Trabalhos ténico-científico oriundos de convênios com universidades para oferta de turmas de mestrado e doutorados no Estado do Amazonas
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Resultados da Pesquisa
Item PRÉ-DESPACHO DE CARGA EM USINAS TERMOELÉTRICAS CONSIDERANDO A GESTÃO DA MANUTENÇÃO VIA LÓGICA FUZZY(Universidade Federal do Pará, 2018) FONSECA JUNIOR, Milton; BEZERRA, Ubiratan HolandaThis thesis presents a new proposal for load pre-dispatch considering the technical conditions of the engines of thermoelectric power plants by combining several maintenance and diagnostic techniques and using computational intelligence based on fuzzy logic. Diagnosis of the technical conditions of the engines is done using lubricant analysis, vibration analysis, and thermography. With this data and statistical analysis it is possible to predict when an engine can fail and consider this in the load pre-dispatch. To increase engine reliability and power supply, a Maintenance Management Program (MMP) was developed using management tools, applying only four TPM (Total Productive Maintenance) pillars and combining them with predictive maintenance and diagnostics, thus allowing the reduction of failures of plant equipment. Some results achieved after the implementation are: reduction of the annual maintenance cost, reduction of corrective maintenance, increase of the MTBF (Mean Time Between Failures), and decrease of MTTR (Mean Time To Repair) in all areas. In addition, the proposed pre-dispatch scheme ensures the demanded power with a high degree of reliability and quality.Item Melhoria do Desempenho de Motores de Combustão Interna em Empresa de Geração de Energia - Via Implantação de Manutenção Preditiva(Universidade Federal do Pará, 2011) FONSECA JUNIOR, Milton; BLANCO, Claudio José Cavalcante, Ph.D.This work aims to describe the main issues related to implementation of TPM (Total Productive Maintenance) and PM (predictive maintenance) in power plants using internal combustion engines. The two types of planning were presented with emphasis on maintenance activities. Currently the generation planning of the company do not allow unplanned outage. The most common faults were as a result of unbalance, misalignment, improper setting, coupling defective and contaminated oil. Issues that were eliminated with the implementation of predictive maintenance and implementation of a TPM program. Emphasis was placed on the importance of four pillars in this methodology (specific improvements, Autonomous Maintenance, Planned Maintenance and Education & Training). By the use of this methodology, it was shown some results achieved after its implementation such as: reducing the annual cost of maintenance, reduction of corrective maintenance, increase of MTBF (Medium Time Between Failures) and reduction of MTTR (Mean Time To Repair) in all areas of our plant. These results are reflected in the power generation and more reliability for our customers.