Authors
Alise Anna Stipniece-Jekimova
Alise-Anna.Stipniece-Jekimova@rtu.lv
Institute of Energy Systems and Environment, Faculty of Electrical and Environmental engineering, Riga Technical University, Riga, Latvia
Erika Teirumnieka
Institute of Energy Systems and Environment, Faculty of Electrical and Environmental engineering, Riga Technical University, Riga, Latvia
Dagnija Blumberga
Institute of Energy Systems and Environment, Faculty of Electrical and Environmental engineering, Riga Technical University, Riga, Latvia