Shulou(Shulou.com)06/01 Report--

Emerson Network Power Co., Ltd. believes that improving the cooling efficiency of data centers is not limited to one aspect, but needs comprehensive measurement. The most important thing is to select refrigeration equipment reasonably in strict accordance with the requirements of the room environment to avoid waste of resources caused by blind investment. At the same time, we must attach great importance to the selection and placement of cabinets.

Excellent energy-saving characteristics

IT facilities are developing in the direction of miniaturization, rack and blade, which brings new challenges to the heat dissipation of cabinets. Therefore, it is necessary to follow the design principle of IT equipment cooling air duct to select the cabinet and design the cabinet cooling air duct. On this basis, the combination of strategies such as properly sealing the data center environment, optimizing the air flow organization, properly using energy-saving devices, cooling close to the heat source, dynamic and efficient joint control operation of the system, and the application of many emerging technologies can effectively improve the cooling efficiency of the data center to a large extent, thus saving a lot of energy costs.

Emerson Network Power is committed to providing reliable, high-availability, energy-efficient network power products and integrated solutions for industry users. In terms of room cooling, Emerson Network Power relies on continuous innovation technology advantages and rich practical experience in the field of data centers to create a variety of green and efficient air conditioning products and overall solutions that can meet the needs of different applications.

Among them, the most representative products include the following four types: Liebert.PEX series digital scroll air conditioning units have an average energy saving rate of about 30%, with high cost performance, low overall cost of ownership, and a payback period of less than one year;Liebert.XD is a directional refrigeration system specially designed to solve the problem of high thermal density in data centers. It not only has excellent energy saving characteristics, but also is more flexible in deployment, safe and intelligent, and simple in expansion, which can fully meet the refrigeration requirements of 30kW thermal density of a single rack; Liebert.CRV inter-row dynamic refrigeration system adopts variable capacity cooling control technology, which can realize accurate temperature and humidity control. With closed cold channel technology, it can greatly improve refrigeration energy efficiency and better meet the refrigeration demand of modular data center;Liebert.SDC series intelligent energy-saving dual-cycle air conditioner seamlessly combines natural cold source with internal refrigeration of equipment room, which can make better use of outdoor cold source, with an average energy saving rate of about 40%.

Management towards integration

Data Center Infrastructure Management (DCIM) platforms can better manage data center power environments. Emerson Network Power introduced Trellis DCIM solutions in May 2012, which provide asset management, change planning, energy efficiency management, site management, power system management and mobility applications to help customers better manage critical power equipment and IT infrastructure. Emerson Network Power refrigeration equipment and systems are now seamlessly integrated into the Trellis DCIM management platform, with real-time monitoring and air-conditioning linkage capabilities. Emerson Network Power devices also support industry open standard protocols such as Modbus and SNMP, and can be integrated with third-party DCIM and monitoring systems. Emerson Network Power will launch Trellis version 3.0 in spring 2014, which includes a more comprehensive refrigeration system management module that supports CFD dynamic modeling, real-time analysis of potential data center hot spots, and dynamic refrigeration adjustment capabilities to achieve data center thermal balance.

DCIM emphasizes joint management of IT infrastructure and power equipment. Its unified platform can solve the problem of data island existing in multi-management system of data center. The unified interface also simplifies the management of data center, and can be integrated with upper IT business system through Web API. In the future, customers can manage data center infrastructure uniformly through DCIM platform, and power environment monitoring system will also become an integral part of DCIM. Existing power environment monitoring systems and building management systems can be integrated with the DCIM platform via data interfaces.

Refrigeration systems are closer to heat sources

The concept of green data centers is gradually taking root, and refrigeration systems have received unprecedented attention in the industry. The development trend of green data center determines the development direction of refrigeration technology in the future. Refrigeration products and solutions with high efficiency and energy saving characteristics will become the mainstream of data center construction and application. Many new energy-saving technologies are emerging, including closed cooling channels, digital vortexes, efficient EC fans, intelligent dormancy, natural cooling, etc.

As the business expands and high power density equipment is used in large numbers in data centers, the demand for high power density refrigeration is increasing. High density refrigeration is quite different from traditional equilibrium refrigeration in terms of products and schemes. The biggest difference is that high density refrigeration requires refrigeration systems to be closer to heat sources in order to better improve refrigeration efficiency. In addition, the rise of modular data centers also puts higher demands on refrigeration systems, requiring more flexible and efficient refrigeration solutions.

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