Models View all Cable tray system 30 x 200 53 1881 6 Cast-Resin Transformer 1250 kVA - 20/0.4 kV 50 1604 12 Cable Feeded Tower Transformer Station 74 1575 3 952 concrete pillar transformer station 68 1494 10 Medium voltage overhead power line tower 952, D average 1500 mm 43 1337 1 Cable tray system - 90 deg element 30 1320 4 Education Technical University of Sofia Master of Science, Electrical engineering and electrical equipment • January 1998 - January 2004