... 3,4.16,6,606 and 10 kV,direct output of 3,4.16, 6,6.6 and10 kV, ... no output transformer necessary. High input power factor, low harmonic current, ... the controller safe and away from the disturbance.6. The complete fault monitor circuit, accurate fault ... system Part 2: Universal requirements-Rating specifications for low voltage frequency systemGB/T 13422-92 Semiconductor power VFD ...