1N1346 | ABB Standard Rectifier

The PD rectifiers’ family is designed for the supply of DC traction loads like urban transport systems or main-line railways in ranges of following standard output voltages:
– up to 825 V DC
– 1500-1650 V DC
– 3000-3300 V DC
PD rectifiers offer optimized for natural cooling power density (small footprint) and maintenance friendly mechanical design. All types are type tested according to EN50328/IEC60146 and offers overload classes according to these standards. To minimize the harmonic distortion the PD rectifier consists of two diode bridges connected in series or in parallel. Both bridges are prepared to be supplied from the two secondary windings of the transformer, this solution provides 30o phase shift and 12-pulse influence on supply network. Two 12-pulse rectifiers supplied by two three windings transformers with +/-7.5o phase shift of primary windings create 24-pulse rectifiers configuration. Single bridge 6-pulse rectifiers are available on request only.