Base Knowledge
Analysis of AC circuits (single and three phases).
Knowledge of electrical power systems and electrical machines.
Teaching Methodologies
Exposição de conteúdos;
Debate e reflexão coletiva;
Exemplos e casos práticos;
Aplicação dos conhecimentos a casos práticos;
Resolução de exercícios de cálculo e dimensionamento;
Incentivo à aprendizagem ativa e autónoma para consolidação.
Learning Results
Understand the steps necessary to prepare an electrical installations project and its ethical and deontological dimension;
Understand the aspects that influence the safety and functioning of an electrical installation;
Understand and apply technical criteria for the safe and efficient sizing of conductors and protective devices in an electrical installation;
Dimension electrical installations taking into account technical, safety, economic and environmental aspects;
Program
1. Introduction to the design of electrical installations
1.2 the project concept
1.3 the ethical dimension of the designer’s work
1.4 the professional responsibility of the designer
1.5 the professional competence of the designer
1.6 steps and criteria for preparing an IE project
2. Forecasting the loads of an electrical installation
2.1 calculation of the power to be installed
2.2 factors of simultaneity, evolution and use
3. Division of loads and their grouping in QP
3.1 analysis of housing facilities and location of staff
3.2 analysis of industrial facilities and location of switchboards
4. Classification of Electrical Installations
4.1 external influences
4.2 protection indices
5. Conductors
5.1 appointment and constitution of drivers
5.2. installation modes
6. Conductor sizing
6.1 Warm-up criterion
6.2 Voltage Drop criterion
7. Protective equipment against overcurrents
7. 1 the fuses
7.2 circuit breakers
8. Sizing of protective equipment against overcurrents
8.1 overload protection
8.2 protection against short circuits
8.3 selectivity and reliability
9. Type of earthing connections.
9.1 protective earth
9.2 service land
9.3 electrical independence of lands
10. Protection of people and animals
10.1 the effects of electric current on the human body
10.2 protection against electric shock.
10.4 direct and indirect contacts.
10.5 protective measures against direct and indirect contacts.
10.6 differential devices. Operation principle.
10.7 selectivity between differential devices.
11. Electrical panels
11.1 sizing and thermal management
11.2 electrical dimensioning of buses
12. Rules for electrical installations in special locations
13. Collective facilities
14. Protections against overvoltages of atmospheric origin
15. Power factor compensation
16. Transformation Stations
16.1 type of transformation stations.
16.2 constituent elements of a transformation station.
16.3 typical diagram of a transformation station.
Curricular Unit Teachers
Internship(s)
NAO
Bibliography
Regras Técnicas das Instalações Eléctricas de Baixa Tensão