Electrical Power Systems I

Course Information
SchoolElectrical and Computer Engineering
Cycle / Level1st / Undergraduate
Teaching PeriodSpring
CoordinatorGrigorios Papagiannis
Course ID20001994

Class Information
Academic Year2020 – 2021
Class PeriodSpring
Faculty Instructors
Weekly Hours6
Class ID
Course Type 2016-2020
  • Scientific Area
Course Type 2011-2015
Specific Foundation / Core
Mode of Delivery
  • Face to face
  • Distance learning
Language of Instruction
  • Greek (Instruction, Examination)
  • English (Examination)
Learning Outcomes
To comprehend the basic structure and construction of synchronous steam turbine generators To understand the steady-state operational characteristics of synchronous turboalternators, their electrical equivalent circuit, the control of active and reactive power output To comprehend the basic structure and construction of synchronous salient pole generators and their steady state performance. To comprehend the operation of synchronous generators in case of transient or dynamic disturbances in the grid. To understand the procedure of measuring the electrical characteristics of synchronous generators from open circuit and short circuit tests To comprehend the basic structure, the characteristics and the operational performance of 3phase power transformers, as well as the techniques to estimate their characteristics from open and short circuit tests. To comprehend the operation of 3phase power transformers in cases of asymmetries and transients. To understand the basic structure and operation of special power transformers, measurement transformers, control transformers etc
General Competences
  • Apply knowledge in practice
  • Retrieve, analyse and synthesise data and information, with the use of necessary technologies
  • Make decisions
  • Work in teams
Course Content (Syllabus)
Connection of synchronous generators to the grid, steady state operation, synchronous generator characteristics and tests, salient pole synchronous generators. Symmetrical components, asymmetrical operation of synchronous generators, synchronous generator transients and dynamics, excitation systems for synchronous generators, parallel operation of generators. Three phase power transformer, windings configurations, asymmetrical loading of power transformers, zero sequence currents in transformers, parallel operation of transformers, special transformers, transformer protection, transformer standardization. Control of generators, active power and frequency control, control areas, primary, secondary control, excitation control, voltage and reactive power control, operational limits and characteristics.
Synchronous generators, steady state operation, transients and dynamics, power transformers, power-frequency control, reactive power-voltage control
Educational Material Types
  • Notes
  • Slide presentations
  • Book
Use of Information and Communication Technologies
Use of ICT
  • Use of ICT in Course Teaching
  • Use of ICT in Laboratory Teaching
  • Use of ICT in Communication with Students
Slides for all lessons (theory and exercises) are offered in the lesson website. Bi-directional communication with the students is done using the same website and/or using group e-mail with useful attachments.
Course Organization
Laboratory Work
Other / Others
Student Assessment
Student Assessment methods
  • Written Exam with Multiple Choice Questions (Summative)
  • Written Exam with Short Answer Questions (Summative)
  • Written Assignment (Summative)
  • Written Exam with Problem Solving (Summative)
  • Labortatory Assignment (Summative)
Course Bibliography (Eudoxus)
Λαμπρίδη, Ντοκόπουλου, Παπαγιάννη, Συστήματα Ηλεκτρικής Ενέργειας Τόμος Α. Εκδόσεις Ζήτη, 2006, ISBN: 960-456-020-4 Βοβός Ν., Γιαννακόπουλος Γ. Έλεγχος και Ευστάθεια Συστημάτων Ηλεκτρικής Ενέργειας, Εκδόσεις ΖΗΤΗ, 2008, ISBN: 960-456-106-5
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