class IE AC power system
emergency ac power system
naval vessel AC power system
Electric Power Propulsion System
Main Propulsion Power System
1 000 kV AC power transmission line
1000 kV AC power transmission
1000 kV AC power transmission line
1000 kV AC power transmission lines
1000 kV AC power transmission pilot project
1000 kV AC power transmission system
1000kV AC power transmission demonstration project
6-pulse wave AC-AC converter
AC AC direct transformation control