Checking date: 27/04/2022


Course: 2022/2023

Electrical machines and installations
(14760)
Study: Bachelor in Industrial Electronics and Automation Engineering (223)


Coordinating teacher: MARTINEZ TARIFA, JUAN MANUEL

Department assigned to the subject: Department of Electrical Engineering

Type: Compulsory
ECTS Credits: 6.0 ECTS

Course:
Semester:




Requirements (Subjects that are assumed to be known)
Electric Power Engineering Fundamentals
Objectives
By the end of this subject, students will be able to have: 1. coherent knowledge of their branch of engineering including some at the forefront of the branch in electrical machines and installations. 2. the ability to apply their knowledge and understanding of electrical machines and installations to identify, formulate and solve engineering problems using established methods. 3. workshop and laboratory skills. 4. the ability to combine theory and practice to solve engineering problems regarding electrical machines and installations. 5. an understanding of applicable techniques and methods in electrical machines and installations, and of their limitations.
Skills and learning outcomes
Description of contents: programme
1. Fundamentals of electromagnetics applied to ferromagnetic materials. 1.1. Electromagnetic theory review. 1.2. Hopkinson's Law and limitations. Coil inductances. 1.3. Saturation and hysteresis at ferromagnetic materials. 1.4. Eddy current losses. Power dissipation at ferromagnetic materials. 2. Transformers. 2.1. Principles about the ideal transformer. 2.2. Construction. 2.3. Equivalent circuit of a real transformer. 2.4. Voltage drop and efficiency. 2.5. Three phase transformers. Phase angle between windings. 2.6. Measurements and protection transformers. 2.7. Variacs. 3. Introduction to rotating machines. 3.1. Principles about rotating machines 3.2. Magnetic fields in the air gap. 3.3. Ferraris' Theorem. 3.4. Construction issues at AC machines. 4. The syncronous Machine. 4.1. Fundamentals. Applications. 4.2. Rotor with windings and permanent magnets. 4.3. General structure issues. 5. The asyncronous machine. 5.1. Fundamentals. Applications. 5.2. Equivalent circuit. 5.3. Torque-speed characteristics. Start-up. 6. Low-voltage (LV) facilities: cables and conductors. 6.1. Introduction to power distribution. 6.2. Conduction cross section calculations. 7. Internal and Linking facilities. 7.1. General sketches and definitions. 7.2. Shortcircuit currents calculations. 8. LV protection devices. 8.1. Protection against electrical shocks. 8.2. Automatic switches and fuses. 8.3 Ground connection schemes. 9. LV electrical facilities: Spanish regulations. Practical sessions: 1.- The three phase transformer: connections, tests for equivalent circuit. 2.- The asycronous motor: start-up and current consumption. Power factor, rotating speed and efficiency for different loads. 3.- Ground resistance measurements: connections, calculations.
Learning activities and methodology
- Learning in big groups (theoretical approach), learning in small groups (solving doubts), to solve doubts (ask for them by email), individual student work. Theoretical knowledge - Laboratory learning (3 sessions), learning in small groups (solving practical problems), to solve problems (ask for them by email), individual student work. Practical knowledge
Assessment System
  • % end-of-term-examination 55
  • % of continuous assessment (assigments, laboratory, practicals...) 45
Calendar of Continuous assessment
Basic Bibliography
  • A.J.Conejo, J.M. Arroyo, F.Milano, N.Aguacil, J.L.Polo, R.García Bertrand, J.Contreras, A.Clamagirand, L.López;. ¿Instalaciones Eléctricas¿;. Mc. Graw-Hill..
  • Antonio Colmenar y Juan Luis Hernández. Instalaciones Eléctricas en Baja Tensión. Editorial Ra-Ma. 2007
  • Fraile Mora J.,. "Máquinas eléctricas",. , Mc-Graw-Hill..
  • Fraile Mora J., Fraile-Ardanuy J.;. "Problemas de Máquinas eléctricas";. Mc-Graw-Hill..
  • Guirado R., Asensi R., Jurado F., Carpio J.;. ¿Tecnología Eléctrica¿;. Mc Graw Hill..
  • José García Trasancos. Instalaciones Eléctricas en Media y Baja Tensión. Paraninfo. 2016
  • Sanz Feito J.;. "Máquinas eléctricas";. Prentice Hall..
Additional Bibliography
  • Chapman, Stephen C.;. "Máquinas Eléctricas";. Mc.Graw Hill..
  • Fraile Mora, J;. ¿Electromagnetismo y circuitos eléctricos ¿;. Servicio de publicaciones E.T.S. de Ingenieros de Caminos de Madrid..
  • Sanjurjo Navarro, R.;. "Máquinas eléctricas",. Mc.Graw Hill..

The course syllabus may change due academic events or other reasons.