2022-04-122022-04-122022-03-16RIBEIRO JÚNIOR, José Antonio Borges. Projeto de comandos elétricos para um sistema de refrigeração de uma subestação utilizando o controlador NT935. Orientador: Rafael Suzuki Bayma; Coorientador: Henrique Lopes dos Santos. 2022. 102 f. Trabalho de Curso (Bacharelado em Engenharia Elétrica) – Faculdade de Engenharia Elétrica, Campus Universitário de Tucuruí, Universidade Federal do Pará, Tucuruí, 2022. Disponível em: https://bdm.ufpa.br:8443/jspui/handle/prefix/3978. Acesso em:.https://bdm.ufpa.br/handle/prefix/3978The main objective of this work is design the project of implement installed in a substation refrigeration control system. The project is based on the reuse of the NT-935 controller, using devices and electrical command logic and mainly based on NBR: 5410. This project was developed for installation in the substation of a mining company located in Canaã dos Carajás, in the southeast of Pará state. The work emerged from the need to update an old and problematic refrigeration system. That’s because the adequate air conditioning in a sheltered substation, considering the work region, it’s of fundamental importance for the operators’ performance and the proper functioning of local electronic equipments. In addition, the company had a controller, usually used in transformer temperature control, but unused, which constituted a significant loss.Acesso AbertoControle automáticoControle de temperaturaRefrigeração industrialCNPQ::ENGENHARIAS::ENGENHARIA ELETRICA::ELETRONICA INDUSTRIAL, SISTEMAS E CONTROLES ELETRONICOSTrabalho de Curso - Graduação - Monografia