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BL40A2401 Electrical Engineering in Wind and Solar Systems, 6 cr 
Code BL40A2401  Validity 01.08.2013 -
Name Electrical Engineering in Wind and Solar Systems  Abbreviation Electrical Engi 
Credits6 cr   
TypeBasic studies  
  Grading scaleStudy modules 0-5,P/F 
  Eligibility for post-graduate studiesYes
    Allowed to study several timesno
Organisation LUT School of Energy Systems 

Paula Immonen 
Olli Pyrhönen 

Description by Study Guide
Note  Location: Lappeenranta

The course is suitable for distance learning.

Year  M.Sc. (Tech.) 1 
Period  3-4 
Teaching Language  English 
Teacher(s) in Charge 

Professor, D.Sc. (Tech.) Olli Pyrhönen, D.Sc. Paula Immonen


Upon completion of the course the student can: 1. Describe the functional principle of wind or solar power plant 2. describe and identify electrotechnical components and system layouts in wind and solar power plants, 3. dimension the electrotechnical components in wind /solar power plants, 4. describe and analyse the control systems of wind/solar power plants, 5. describe and analyse the grid connection requirements of wind/solar power plants, 6. Describe and analyse the interaction between the grid and wind/solar power plant in different abnormal situations.


Drive train technologies in wind power systems, Permanent magnet synchronous generator drive train, double-fed induction generator drive train, electric conversion in PV solar power, system topologies and power electronics solutions in small and utility scale PV solar plants. Control of a wind power plant, control of a solar power plant, technical requirements in grid connection, voltage and reactive power control in wind/solar power plants, electrical protection of wind/solar power plants. Grid codes, other international regulations and standards in wind and solar power systems. Introduction to grid connection modelling software.

Teaching Methods 

Lectures 28 h, demolectures 4-6 h, weekly homeworks 28 h, assignment 62 h, independent working 37 h, examination 3h. Total workload 158 h. The course is suitable for distant learning. In distant learning, exersices are replaced by homeworks.
Total workload 158 h.

Suitability for doctoral studies (Yes/Leave empty)  Yes 
Examination in Examination schedule (Yes/No)  No 
Examination in Moodle (Yes/No)  Yes 
Examination in Exam (Yes/No)  No 
Assessment scale and assessment methods 

0-5, examination 40 %, homeworks 30 %, assignment 30 %

Course Materials 

Material handed out in class.


Previous knowledge of electrical engineering required. Basics of electrical machines and/or transmission of electricity recommended.

Number of exercise groups where enrollment is in WebOodi (Number/Leave empty) 
Places for exchange-students? (Yes, number/No)  max 10 
Places for Open University Students?(Yes, number/No)  max 5 

Current and upcoming courses
Functions Name Type cr Teacher Timing
  Electrical Engineering in Wind and Solar Systems  COURSE  Paula Immonen,
Olli Pyrhönen 
07.01.20 -17.04.20 -

Upcoming exams
No exams