How to achieve magnetic suspension for bearing compressor
In recent years, the Gree family has introduced a cutting-edge, internationally competitive technology: the "Magnetic Suspension Centrifugal Refrigeration Compressor and Chiller." This breakthrough has significantly elevated the design standards of large centrifugal compressors and chillers in China, while also boosting the global competitiveness of Chinese centrifugal chillers in the refrigeration market.
Traditional refrigeration compressors rely on mechanical bearings, which require lubrication systems to function properly. However, Gree's magnetic levitation inverter central air conditioning system uses magnetic suspension bearings instead. These bearings use a magnetic field to suspend the rotor, eliminating direct mechanical contact during rotation. As a result, there is no mechanical friction, and the need for traditional lubrication systems is completely removed. This innovation eliminates all issues associated with oil-based systems, such as contamination and maintenance challenges.
The magnetic suspension frequency conversion centrifuge overcomes many limitations of conventional mechanical bearing compressors, including poor energy efficiency, high noise levels, large starting currents, and high maintenance costs. It offers a more energy-efficient and environmentally friendly solution for central air conditioning systems.
According to reports, Gree's magnetic suspension centrifugal compressors operate without oil, significantly reducing mechanical losses and improving overall energy efficiency. This represents an effective approach to achieving greater energy savings in centrifugal systems. Huang Hui, vice president and chief engineer at Gree Electric Appliances, highlighted that developing magnetic suspension bearing technology for centrifugal compressors is a complex and technically demanding process. The R&D team spent nearly four years working through numerous challenges and failures before successfully creating the magnetic suspension centrifugal compressor.
This advancement has greatly improved the energy efficiency of Gree's air conditioning units, effectively enhancing energy savings and extending the lifespan of the equipment. The independently developed magnetic suspension frequency centrifugal chiller by Gree holds full intellectual property rights, filling a critical gap in both domestic and international research and product development for large-scale magnetic suspension compressors.
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Ningbo Huaguang Precision Instrument Co., Ltd. , https://www.hgopt.com