AC/DC rectifiers are the first group of the power switching circuits applied in industrial applications. In the 1940s, Mercury-arc rectifiers were very popular in DC power supply. In 1960s, ...

Description: TRU A TRU (Transformer Rectifier Unit) typically converts a three-phase 115Vac current (or 230Vac) into a direct 28Vdc current. It consists of a winded transformer, rectifying diodes and ...