Greencisco Naval frequency converters,including indoor frequency converter, IP65 outdoor frequency converter, modular frequency converter, capacity is from 6KVA to 16MVA,with 50Hz/60Hz/400Hz and parallel function, with optical fiber communication function,MTBF>200000 hours, design life: 25 years, can be remotely monitored and controlled by center monitor systems on the ship, port. Widely used for Navy, airport,submarine,shipyard,shipbuilding,shiprepair,oil companies,factories for testing,mine and docks,ect.