Think outside the gearbox with solid rotor technology

Our direct-drive, high-speed induction machines allow you to eliminate the mechanical gearbox, enabling you to reach higher speeds and unmatched energy efficiency.

Solid-rotor technology extends the speed capabilities of standard induction motors, answering the demand for high-speed motors when running below multi-megawatt powers.

  • 0 rotor failures in over 10 years of industrial operation

  • Power range from 300kW to 2MW

  • Speeds up to 20,000 rpm

Our high-speed products are ideal for blowers, compressors, pumps, vacuum systems and other industrial applications in the speed range of 6,000 – 20,000 rpm. Additionally, our customers have used these motors in various test-bench configurations. We are also open to discussing projects involving multi-megawatt hermetically sealed and hydrogen compressors.


High-speed induction machines

Our standalone product range comes in two frame sizes – 315 and 400. These high-speed machines are designed to be coupled to driving or driven machinery through a separate coupling, such as a steel pack coupling.

semi integrated high speed machine

Semi-integrated solutions

Semi-integrated machines include the compressor, turbine or pump impeller mounted directly on the shaft of the electric machine. The bearing system and rotor dynamics are calculated and tailored to meet the specific application.

These solutions are available based on our successful long-term joint development projects with industry leaders. Ask us more!

Fully integrated solutions

For ultimate system simplicity, we offer integrated machines. Active parts of the solid-rotor machine can be completely tailored to suit different applications. We are happy to discuss the delivery scope case by case.

These fully integrated solutions are backed by our successful joint development products with industry leaders.

Get in touch to learn how we can support your project!

fully-integrated high speed machine, with integrated rotor

Exergy, Japan

Exergy, a startup from the University of Tokyo, signed a contract with The Switch in January 2019 to develop a frequency converter to match their proprietary-technology-based proton battery, which is used for a next-generation storage system.

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SustainX, USA

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References

New blower for Tier III compliance

MAN Energy Solutions has launched its EGR (Exhaust Gas Recirculation) electrical turbo blower for the marine market. The Electrical Turbo Blower (ETB) units will be installed aboard vessels as part of their main engines’ integrated EGR system.

Gateway, USA

In 2012, The Switch made a significant CHP converter delivery to the Gateway building in White Plains, New York. Commissioning was carried out in early 2013. The installation featured 3 converters in parallel and included an HMI. This was the second 2 MW+ installation for The Switch in the New York area.

Yonkers, USA

Following on the success of the Gateway project, The Switch delivered another CHP converter to the Yonkers Waste Water Treatment plant. This innovative installation utilizes gas from the digester to create electrical power. The converter allows the plants to accurately control power production and meet grid interconnect requirements.

MAN Energy Systems
 

MAN Energy Systems, formerly MAN Turbo, chose our solid rotor technology for a high-power compressor of 8 MW, 10,000–12,000 rpm, for a gas application that survives subsea installation with aggressive gases.

SustainX, USA

SustainX

US-based SustainX, a pioneer in isothermal compressed air energy storage (ICAES) technology, disrupted the current energy storage industry with its transformational cost competitiveness.

Gardner Denver Pulp & Paper

Gardner Denver Pulp & Paper, formerly Runtech of Finland, has placed continuous volume orders for high-speed motors and drives to be used in its paper machine vacuum systems that run at over 10,000 rpm. Learn how we helped them save energy, space, weight and water in their vacuum system.

FIMA, Germany

German FIMA Maschinenbau GmbH, our first chemical industry reference, ordered a series of 200 kW high-speed motors for turbo blowers with a speed of nearly 11,000 rpm.