transresch are specialists when it comes to modernizing existing converter equipment.

Where is modernization of interest?

• Modernization of existing d.c. drives is worth thinking of on all applications where complex medium-power and high-power analogue converters are being used as, for example, in rolling mills and cement plants, in paper-making machines, excavators and other installations.

How would be modernized?

The extent of modernization will depend on the state of the existing equipment.

• The old data and control electronics, including its hardware interface with the power circuit components, will be replaced by high-grade digital data and control electronics using various bus systems for communiction with the automation level.
• Replacement of auxiliaries.
• Replacement of power circuit components, if necessary.
• Existing direct-current motors can also be included in the modernization project (examination and overhauling or, alternatively, supply of new d.c. motors).

What will be customer’s benefits?

• Short downtimes of the installation during reequipment.
• Specific process requirements can be met.
• Considerable cost reduction due to reusing high-cost parts of the euipment, such as cables, circuit breakers, transformers and, possibly, power circuit components.