Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future
"With the elaborate construction of data center refrigeration systems, the requirements for carbon emissions and energy saving will become higher and higher, so the replacement of traditional backward technologies with new energy-saving technologies must be the future development trend."-Alfat Network Environment Deputy General Manager Han Di.

As a complex system, the data center not only includes computer systems and other supporting equipment, but also includes a variety of infrastructure systems such as power distribution systems, refrigeration systems, fire protection systems, and monitoring systems. Among them, the cooling system is a large power consumer in the data center, accounting for about 30% to 45% of the energy consumption of the entire data center. Therefore, the use of advanced refrigeration technology and equipment to create a "green data center" that saves energy and reduces consumption has not only become the key to the design of modern emerging data centers, but also the direction of most traditional data centers.

As a high-tech, the magnetic levitation refrigeration compressor represents the current z * advanced compressor technology trend. With its excellent comprehensive performance, especially more significant energy-saving features, it is bringing greater benefits to the green operation of the data center. imagination.

In an interview with "Modern Data Center" not long ago, Professor Zhang Guoqiang, s * consultant of Alfat Network Environment Co., Ltd. and Han Di, deputy general manager of Alfat, introduced the performance advantages of Alfat magnetic levitation refrigeration units in detail in light of actual cases. And prospects for the application prospects of this product technology.

"Alfat is a data center manufacturer in China who has started to study magnetic suspension refrigeration technology early and has the first mature application cases." Professor Zhang Guoqiang introduced. Obviously, as a professional manufacturer that Z * has been committed to applying magnetic suspension refrigeration technology to the field of data centers, its technology development will certainly have many advantages.

The same is true. Zhang Guoqiang said that a profound grasp of the data center industry chain and application product architecture is Alfat ’s z * big and z * strong advantage. In the research and development of the magnetic suspension refrigeration unit product plan, Alfat took into account all the key links of the data center, not only fully considered the heat sources such as servers and server chips, but also effectively used the relationship between the rack and the air conditioning system, air flow, and pioneering The rack is used as a pipeline, and on this basis, with the help of an intelligent control system, it dynamically tracks the changes in heat load, and z * finally achieves accurate cooling. In other words, Alphart regards data center cooling as a complete system, involving the entire path, reaching the level of refined R & D.

At the same time, Alfat's magnetic suspension refrigeration unit product structure tends to be improved, including magnetic suspension integral air-cooled chiller, magnetic suspension integral water-cooled chiller, modular magnetic suspension water-cooled chiller and magnetic suspension integral refrigerant condensing unit. And from some technical data point of view, Alfat's magnetic suspension refrigeration unit product performance is also very advantageous, its magnetic suspension integrated air-cooled chiller cooling capacity and efficiency increased by 10%, IPLVz * up to 6.4; water-cooled chiller can be optimized Distributed load management, IPLVz * up to 10.4; Modular magnetic suspension water-cooled chiller consists of 1 to 5 modules, each module has an independent cooling system, which is mutually backup and redundant, can be flexibly upgraded and expanded according to demand, and the cooling capacity and efficiency are increased by 25 %, IPLVz * up to 16 or more.

In the first phase project of ZTE ’s Jiangsu Cloud Computing Center, it is an alpha magnetic suspension refrigeration unit, and it is also the s * application of similar products in large-scale data center projects in China. In actual operation, the Alfa Maglev Refrigeration Unit not only operates stably, but also provides a strong support for the reliable operation of the data center. The measured efficiency is about 35% higher than that of the traditional centrifugal unit, and the comprehensive energy-saving efficiency is also increased by 25%. According to reports, in the second phase of the project, Alfat will continue to provide project solutions for magnetic suspension refrigeration units and cabinets, closed cold aisle systems, and precision air conditioners for machine rooms.

In view of the future application and market prospects of magnetic suspension refrigeration technology in data centers, Alfat Deputy General Manager Han Di said that based on the dense cooling density and high energy consumption, the data center is very suitable for magnetic suspension refrigeration units, especially for new data centers. Therefore, Alpha is very optimistic about the wide application of magnetic suspension refrigeration units in this field. At the same time, Han Di also emphasized that, based on the pursuit of stability in data center construction, within 3 to 5 years, magnetic suspension refrigeration units will not become the mainstream of data center refrigeration system construction, but with the gradual expansion of market promotion and continuous application In-depth, it is expected that in 5 years, the magnetic suspension refrigeration unit will occupy 20% to 30% of the market share.

If Alfat leads the development trend in magnetic suspension refrigeration technology, then it has reached another peak in the research and development of overall data center solutions. Alfat currently has four major product lines including bearing systems and structural parts, refrigeration, monitoring and management, and power distribution. Based on the resource advantages of improving the product line, Alfat has launched a mature integrated micro data center solution and intelligent micro module data center Solutions, containerized data center solutions and other three overall solutions, and is in the leading position in the field of micro-module data centers, becoming the first domestic brand of micro-module solutions.

"Although Alfat has a complete product architecture, these products will not be sold separately, but will be integrated into the micro-module solution and presented as a subsystem." Han Di said, "This avoids homogeneity in the market. Competition also highlights Alfat ’s dedication to focusing all resources on one point, making the solution more professional. "

Han Di introduced afterwards that in order to better serve domestic users and connect with the domestic capital market, Alfat split two times in the development, one was completely separated from the Australian background in 2008 and became a domestic The privatization company, for the second time, carried out the divestiture of foreign shareholders in 2013 and introduced the Shenzhen Municipal Government's investment fund. In addition, Alfat has continuously increased channel expansion and improved after-sales service systems. It has set up dedicated service teams in the centralized areas of cloud computing data centers such as Jiangsu, Beijing, Guangdong, Hunan, and Chongqing to ensure that it can respond to customer needs in a timely manner.

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