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Auto-Transformer Rectifier Units (ATRU)

ELDEC auto-transformer rectifier units carry on the tradition of providing affordable, efficient, light weight and reliable converters while meeting today's new stringent power quality requirements. All ATRUs are custom designed and operate from either 115 or 230 V ac and are sized from 1 to 200 kW. They are simple, reliable, have overload capability, input/output isolation and are low cost.

Auto Transformer Rectifier Units (ATRU)
Auto Transformer Rectifier Units

 

 Features

  • 95-98% efficient

  • 1 kW to 200 kW

  • Output voltage: 270 & 540 V dc

  • Output current: 4 – 250 A

  • Non-isolated power conversion

  • 18 pulse / < 6% THD

  • 30 pulse / < 3% THD

  • Compatible with Dynamic / Pulse loads

  • Simple / Rugged / Reliable

  • Cooling options: Forced Air, Fan or Cold Plate

  • Meets recent power quality requirements of major aircraft OEMs

  • Non-isolated input/output – primary and secondary on same windings

 

Typical Applications

  • Ideal for point loads like motors, radars and actuators