... Ripple factor 1%-2%Cooling ModeWater cooled and Oil cooledwater qualityDeionized water or Running water,PH:7~8 Water pressure:0.1~ ... The oil cooled special-purpose IGBT power module, the water cooling pipeline, the control system has reasonable design,with better reliability ... of over current ,short circuit,overheating , phase lack ,water lack, etc .Also soft start function;5.Standard antiseptic ...