... 3, 3.3, 4.16, 6, 6.6, 10, 11 kV input, direct 3, 3.3, 4.16, 6, 6.6, 10, 11 kV output, no output up ... . Input power factor of more than 0.95 with the load of 20~100%, very low harmonic voltage/current, no power ... includes over voltage, over current, low voltage, phase loss, over load, over heat, earth fault, and short circuit. The failures of ...