Authors
A. Stupans
Riga Technical University, Institute of Industrial Electronics, Electrical Engineering and Energy, Riga, Latvia
P. Maksimkins
Riga Technical University, Institute of Industrial Electronics, Electrical Engineering and Energy, Riga, Latvia
A. Senfelds
Riga Technical University, Institute of Industrial Electronics, Electrical Engineering and Energy, Riga, Latvia
L. Ribickis
Riga Technical University, Institute of Industrial Electronics, Electrical Engineering and Energy, Riga, Latvia