Authors
L. Zemite
Riga Technical University, Faculty of Power and Electrical Engineering, Institute of Industrial Electronics and Electrical Engineering, Riga, Latvia
A. Kutjuns
Riga Technical University, Faculty of Power and Electrical Engineering, Institute of Industrial Electronics and Electrical Engineering, Riga, Latvia
I. Bode
Riga Technical University, Faculty of Power and Electrical Engineering, Institute of Industrial Electronics and Electrical Engineering, Riga, Latvia
M. Kunickis
Riga, Latvia
N. Zeltins
Institute of Physical Energetics, Riga, Latvia