SKF has launched a new magnetic system, an oil and contact-free drive solution for centrifugal compressors in chillers. Combining a high-speed permanent magnet motor and active magnetic bearings with integrated controls, the magnetic system can operate with variable speed drives from various manufacturers to deliver energy savings of at least 10% versus conventional centrifugal compressor designs. In addition, the system’s vibration and nearly friction-free performance capabilities enable extremely quiet operation.
“Our magnetic system can help OEMs streamline product design, development and assembly, as they produce new highly energy efficient centrifugal compressor chillers. This innovative technology also reduces maintenance costs for the user and provides them with reliable and cost-effective air conditioning,” says Richard Law, SKF global segment manager, fluid machinery.
Electromagnets levitate the compressor shaft, allowing it to rotate without contact. By eliminating the mechanical contact and the losses that occur with oil-lubricated bearings, the magnetic system from SKF reduces energy use and costs significantly. By eliminating the need for oil lubrication, the system also improves heat transfer efficiency in the evaporator and condenser.
The permanent magnet motor at the heart of this SKF solution is more energy-efficient than induction motors at full and partial loads, and offers a higher power factor/lower current draw. It also operates with a smaller size variable speed drive than induction motors.
The system’s active magnetic bearings are capable of speeds in excess of 40 000 RPM, and can accommodate instant and frequent start-ups and transient surge forces. An active control system tracks and maintains rotor position to within a micron-sized orbit up to 15 000 times per second, eliminating vibration.
Novel bearing steel next generation of aeroengines SKF South Africa
Motion Control & Drives
SKF continues to re-imagine intelligent and clean rotation with the development of an innovative temperature-resistant, corrosion-tolerant steel called ARCTIC15 designed for aeroengine bearings.
Read more...Products from maxon
Motion Control & Drives
A wide range of new products is available from motion control specialist, maxon. with a diverse technology portfolio ranging from highly integrated robotic actuators to powerful servo drives and controllers.
Read more...Actuators for precise hexapod movements
Motion Control & Drives
Aerotech, manufacturer of high-performance motion control and automation systems, is expanding its Automation1 platform. These compact hexapod devices enable the complete integration of six-axis motion systems into existing control
Read more...SKF launches the Patent Bay SKF South Africa
News
SKF is launching The Patent Bay, a new platform open to companies that aim to accelerate technologies with the potential to advance sustainability, by making selected patents freely available to others.
Read more...SEW-EURODRIVE service centre transforms future of drive repairs SEW-EURODRIVE
Motion Control & Drives
In a momentous step for the local industrial gearbox and drives market, SEW-EURODRIVE South Africa has formally opened a new service and repair facility alongside its headquarters in Aeroton,
Read more...Precision meets performance: The ELGD Axes Family from Festo Festo South Africa
Motion Control & Drives
Festo has introduced the ELGD axes family, engineered for the demands of future-focused industries. With cutting-edge guide technology, exceptional rigidity and high load capacity, these axes deliver more performance within the same installation footprint.
Read more...Condition monitoring in hazardous areas SKF South Africa
Motion Control & Drives
SKF is further strengthening its condition monitoring offer portfolio by a newly developed hazardous area version of its Microlog Analyzer dBX portable vibration analyser.
Read more...Rip-and-ship solution speeds up nuclear decommissioning project
Motion Control & Drives
When removing steam generators from decommissioned nuclear reactor buildings, the most economical method is to remove them in one piece. Mammoet was commissioned by Framatome to support with the removal of four steam generators from PreussenElektra’s Nuclear Power Plant Unterweser in Germany.
Read more...WearCheck turns the focus on friction modifiers Wearcheck
Motion Control & Drives
One of the most important features of a lubricant is the reduction of friction between two surfaces.A dditives like friction modifiers are added to perform this function. Wearcheck turns the focus on friction modifiers
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
printer friendly version