Low Voltage Networks and Microgrids

Course Description

Introduction to AC and DC microgrids, Low voltage protection devices,Protection coordination,Protection in active low voltage grids, Connection to the MV utility distribution network, Connection to the LV utility distribution network, MV and LV architecture selection guide.

Learning Outcomes

  1. Explain and apply the basic concepts of low voltage networks
  2. Explain the principles of microgrids
  3. Analyze the voltage conditions in the low voltage network
  4. Analyze the current situation in the low voltage network
  5. Analyze low-voltage networks protection settings

Forms of Teaching


attendance is not mandatory


attendance is not mandatory

Field work

a visit to industrial plants



Week by Week Schedule

  1. Introduction to AC and DC microgrids
  2. Microgrids investment models, Off-grid operation and control of microgrids
  3. Coordinated operation of microgrids and the power system, Modeling of the microgrid elements, Hyerarchial control of microgrids
  4. Environmental benefits of microgrids, Microgrid as an ancillary service provider
  5. Storage system operation in microgrids
  6. Low voltage protection devices, Protection coordination, Protection in activelow voltage grids
  7. Electric installations design, Load types, Load operation and control, Installations network protection
  8. Midterm exam
  9. Asymetries from electric installation connection, Demand response programs, Shedding load, coordinating consumption, load inertia
  10. Infrastructure requirements for demand response, Pricing demand response, Impact of demand response of the power system, Electric Vehicles as flexible load
  11. Connection to the MV utility distribution network, Connection to the LV utility distribution network, MV and LV architecture selection guide
  12. LV distribution, Characteristcs of particular sources and loads, Residental and other special locations electrical installations, Designing of LV electrical installation (ABB DOC)
  13. Sizing and protection electrical equipment (ABB DOC), Selection of LV switchgear (ABB DOC), Economic evaluation od electrical design (ABB DOC)
  14. Sizing and protection of conductors, LV switchgear: functions and selection, Protection against voltage srges in LV, Protection against electric shocks
  15. Final exam

Study Programmes

University undergraduate
[FER3-EN] Computing - study
Elective Courses (6. semester)
[FER3-EN] Electrical Engineering and Information Technology - study
Elective Courses (6. semester)


John D. McDonald (2017.), Electric Power Substations Engineering, CRC Press
Nikos Hatziargyriou (2014.), Microgrids, John Wiley & Sons
Vjekoslav Srb (1991.), Električne instalacije i niskonaponske mreže, TEHNIČKA KNJIGA
Hassan Farhangi, Geza Joos (2019.), Microgrid Planning and Design, Wiley-IEEE Press
Jacques Peronnet (2018.), Electrical installation guide - According to IEC international standards, Schneider Electric S.A.

For students


ID 223362
  Summer semester
L0 English Level
L1 e-Learning
30 Lectures
0 Seminar
15 Exercises
15 Laboratory exercises
0 Project laboratory

Grading System

90 Excellent
75 Very Good
60 Good
50 Acceptable