Müllheizkraftwerk (MHKW) Rothensee

Case study

Medium Voltage Drive Solution for ID fan at Rothensee Waste Incineration Plant

The Müllheizkraftwerk (MHKW) Rothensee waste incineration plant in Magdeburg operates induced draft (ID) fans essential to plant operation. These fans are responsible for extracting flue gases from the boiler—without them, the entire power station would come to a halt.
When looking for a drive solution for the 2,6MW ID fan, the plant needed a partner they could trust. Having worked with CG Drives & Automation for years, Rothensee chose to rely on our MV drive offering for a new power plant block.

Understanding Medium Voltage

With decades of expertise in drive systems, we now bring the same trusted reliability and customer focus to the MV segment—offering comprehensive support from specification and selection to installation, commissioning, and service.

 

The Solution: A Robust MV Drive System

CG Drives & Automation delivered a 2.6 MW MV drive with both 10kV input and output, housed in air-cooled IP31 cabinets—providing a rugged and reliable system fit for the demanding environment. The MV drive has now been in stable operation since the start of 2025, demonstrating the quality and reliability of our solution.

Save Material Cost

In order to meet the requirements of the surrounding circumstances, an MV drive was the most cost-effective and technically sound option.

 

 

Expertise That Goes Beyond the Drive

Unlike many low voltage suppliers who cannot support MV systems, CG Drives & Automation brings a holistic understanding.
This expertise was crucial in Rothensee’s project, where specific knowledge was required for integrating the MV drive into the plant’s control system.

Why customers like Rothensee trust CG Emotron

Supplying an MV drive isn’t something just any drive supplier can do. It requires more than just selling hardware—it demands a deeper understanding of how the entire power chain works.
Here is what sets CG Emotron apart:

 

  • We help you connect the drive to your control system the right way
  • We understand key technical factors like protection relays and inrush current
  • We handled the installation and commissioning on- site
  • We speak your language, regardless of voltage
  • We are there when you need us— always with a quick response and fast support

Help when you need it

Our team supported installation and commissioning on-site. Thanks to our proximity and commitment, we can respond rapidly if needed—minimizing Mean Time Between Failures (MTBF) and maximizing peace of mind.

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