... , shorten repair time Comparison between IGBT rectifier and SCR rectifier: Process flow: Technical parameters: Rated ... forced air coolingMechanical structuresingle cabinet, modular power unit,1.5-2mm steel cabinet, powder coated. ... one year is very lowProtectionsComplete, Phase loss, input under voltage, overvoltage, output under-voltage, overcurrent, overheat, short circuitSafe, protect the rectifier ...