Oil-cooled alternator for unstable frequency system ГТ90НЖЧ12НМ


Primary AC power source of unstable frequency for large aircraft with hybrid power supply system. Installed on aircraft engine gearbox without constant speed drive and has oil system common with the reduction gear. Primary application – onboard mains of aircraft АN-70.

Technical characteristics:

▪ Nominal power 90 kV•A
▪ Nominal voltage 120/208 V
▪ AC frequency (270–480) Hz
▪ Rotation speed range (8100–14400)rpm
▪ Cooling jet oil
▪ Weight 47 kg