Project Description

For E.ON Energy we modernised a DC mulidrive system based on the obsolete ASEA Tyrak 8 DC Drives (YGMK). The system consists of two drives of 300A and three drives with a nominal current of 1.400 A, both at 620Vdc. For the two small drives we used the new ABB DCS800-E digital DC Drives as a complete replacement. For the three larger drives we used ABB DCS800-R Rebuild Kits connected to the existing power electronics. The ‘old’ drive is now ready for the future and has the most modern communication possibilities. In this case we used ProfiNET.

Modernisation of DC Drives
DC motors are very often in an excellent shape, even after dozens of years of operation. SPIT has developed a set of proven products to modernize existing DC drives installations. Our approach is well-proven and has been used not only for ABB’s classic DC drives (like Tyrak, Veritron, Sele, etc.), but also for other manufacturer’s DC drives.

DCS800-E Panel Solution
The DCS800-E aims for revamping projects to replace old DC-Drives up to 450 A. It is a compact user-friendly Panel-Solution and offers all needed components pre-mounted, fully wired and factory-tested. While mounting it into an empty cabinet the mechanical installation will be completed. This ready-to-use concept allows to squeeze the power-down-time in rebuilding projects to a minimum.

DCS800-R Rebuild Kit
An attractive upgrade path to existing high power DC drives is to keep the power stack and just exchange the drive electronics boards. The standardized product for this upgrade path is e.g. the DCS800-R Rebuild Kit.

Complete DCR packages e.g. for Tyrak 8, Veritron SZAD
Shortest downtime during upgrade and least engineering efforts during project design, SPIT’s tailor-made rebuild packages stand for very economical revamp possibilities.