American Plating Power

American Plating Power

2176 Andrea Lane Fort Myers FL, 33912

Water-Cooled SCR Rectifiers

Water-Cooled SCR Rectifiers

Our complete water cooled, thyristor controlled high power rectifier, is designed for water cooling. The rectifier is featured with a specially designed combination inverter and rectification circuit to reduce the total losses of the semiconductors, which results in lower operation costs

The rectifier is integrated into a special designed cabinet and is intended for remote control via analog signals (0 – 10V).

Construction:

This unit has been built into a special, robust cabinet.  The lacquered housing consists of a steel frame and base. A maintenance friendly, modular construction neatly rounds off the concept of this rectifier. For maximum efficiency, all internal conductors, as well as the transformer windings, are exclusively made out of copper.

The total water-cooling system for this rectifier has been specially designed by us. It ensures complete, efficient cooling, allowing over 90% of all generated heat losses to be removed directly by the cooling water. For this reason, the surrounding increase in air temperature is negligible in comparison with other systems, notably oil and air. The connections for cooling water entry and exit are located on the back side of the enclosure. The best water to be used for cooling is any which has the same properties as tap water – exact details can be found in the following cooling-water specification.

Main Components:

  • Input fuses
  • Input contactor to isolate all poles when in the “off” position
  • Advanced control electronics for the thyristor inverter
  • µcontroller based monitoring and diagnosis system
  • Water cooled rectifier transformer, vacuum impregnated
  • Water cooled, thyristor based inverter and rectification circuit with RC snubber circuit
  • Precise, water cooled DC measuring shunt, degree of accuracy 0.5

Protection Devices:

  • Phase failure monitor
  • Phase unbalance monitor
  • Input under voltage monitoring
  • Water flow monitor
  • Water level monitoring
  • Temperature monitor for transformer, thyristors
  • DC over current monitor

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