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Rotating machines
High-speed electric turbines, coupled with high-frequency generators, produce electricity at extremely high speeds in hermetically sealed applications. Their direct-drive design simplifies systems, reducing complexity and friction losses. These turbines endure a wide temperature range, from cryogenic to supercritical high-temperature conditions, ensuring long lifetime and reliability.
Research and development efforts focus on microturbines ranging from 10-500 kW for superheated steam-based steam cycle systems. These two-stage turbines employ a synchronous drive with permanent magnets, operating at speeds of 15-150 kRPM. They address the growing demand for micro-cogeneration and distributed energy sources, aligning with emission reduction and energy efficiency trends. The microturbines offer distinct advantages, including the absence of seals and an oil-free system, ensuring no lubricant leakage or contamination. Their compact, low-noise, and emission-free design, coupled with efficient performance and ease of maintenance, make them valuable solutions for various applications.
Rotational speed | 82 000 rpm |
Configuration | two hydraulic work stages – canned slotless PMSM in a working fluid environment |
Rail voltage | 400 V |
Shaft torque | 3.6 N·m |
Output power | 30 kW |
Motor unit efficiency at nominal speed | > 90 % |
Introducing our gas expander product line, designed for power outputs ranging from 1 kW to 400 kW. These gas expanders prioritize energy recovery from high-pressure gas streams, ensuring efficiency, reliability, and cost-effectiveness. They enhance the management of gases with entrained liquids, allowing for minimal downtime and extended operational lifespans. With scalability from small to large devices, they offer a versatile solution for diverse energy recovery needs.
Max. gas flow | 3 000 Nm3/h |
Max. rated input power | 100 kW |
Max. rated speed | 77 500 rpm |
Wheel diameters | 75 – 95 mm |
Operating voltage | 590 V / 700 V |