Checking date: 08/07/2020

Course: 2020/2021

Electrical power system protection
Study: Bachelor in Electrical Power Engineering (222)

Coordinating teacher: SORRENTINO RAMIREZ, ELMER

Department assigned to the subject: Department of Electrical Engineering

Type: Compulsory
ECTS Credits: 6.0 ECTS


Students are expected to have completed
Fundamentals of Electrical Engineering Electrical Lines and Switchgear Electric Power Systems AC Electrical Machines Electrical Installations Magnetic circuits and transformers
Competences and skills that will be acquired and learning results. Further information on this link
The student obtains skills for selecting the settings of main electrical protections for electric distribution and transmission systems, as well as knowledge to understand the operation of these protections.
Description of contents: programme
-1: Fundamentals about electric power system protection. Basic definitions. Functions and features of protection systems. -2: Short circuit analysis. Computation of short-circuit currents, using symmetrical components. Effects of fault currents. -3: Protection of low-voltage electric systems. Description of protective devices. Coordination of protective devices. -4: Protection of medium-voltage electric systems. Description of protective devices. Coordination of protective devices. -5: Distance protection and differential protection. Fundamentals about distance protection. Self-polarization of distance protection and fault analysis. Communication-assisted trip for distance protections. Differential protection for transmission lines and differential protection for transformers. -6: Protection of synchronous generators and other protection systems. Available protective functions for synchronous generators. Other available protections for transmission lines and transformers. Busbar protection. Breaker-failure protection. Other protective functions for electric power systems and wide area protection systems.
Learning activities and methodology
-Lectures, sessions for solving doubts in reduced groups, individual tutorials and personal work of the student, oriented to the learning of theoretical knowledge (3 ECTS credits). -Analysis and solving of practical exercises in reduced groups, laboratory sessions, individual tutorials and personal work of the student, oriented to the obtaining of practical skills related to the contents of the subject (3 ECTS credits).
Assessment System
  • % end-of-term-examination 60
  • % of continuous assessment (assigments, laboratory, practicals...) 40
Basic Bibliography
  • Blackburn, J. and Domin, T.. Protective Relaying: Principles and Applications. CRC Press. 2014
  • Das, J.. Power System Protective Relaying. CRC Press. 2018
  • Gers, J. and Holmes, E.. Protection of Electricity Distribution Networks. IET. 2011
  • Iriondo Barrenetxea, A.. Protecciones de Sistemas de Potencia. Universidad del País Vasco. 1996
  • Montané Sangrá, P.. Protecciones en las Instalaciones Eléctricas: Evolución y perspectivas. MARCOMBO. 1993
  • Suarez Creo, Juan M.. Protección de Instalaciones y redes eléctricas. Andavira. 2011
  • Ziegler, G.. Numerical Distance Protection: Principles and Applications. Siemens. 2011
  • Ziegler, G. . Numerical Differential Protection: Principles and Applications. Siemens. 2012
Recursos electrónicosElectronic Resources *
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The course syllabus and the academic weekly planning may change due academic events or other reasons.