... alternators are suitable and coupled to any diesel engines from the world such as Cummins,Perkins,Deutz,Caterpillar,Volve,Styre and ... windings design can effectively avoid the third harmonic wave(3rd, 9th, 15th ¬) of the voltage so it is the best design of UPS of ... load.Quality design AVR ensures low radio interference in transmission.The standard protection IP23 is optional who can prevent destroy of ...