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  • Data Center Expo 2023: New Beginnings, New Opportunities
    Feb 24, 2023
    As we enter the gates of 2023, the data center industry is bound to see faster and newer developments in the new year. We will see the flexibility and immediacy of cloud computing, higher capacity networks and data centers, and data centers that will have more power backup and new energy sources for local consumption. What these will bring, first and foremost, is a more diverse experience. A more personalized user experience will be enabled by higher capacity and proliferation of edge data centers, as well as more flexible 5G and Wi-Fi6. At the same time, operations between various digital touchpoints will be more seamless. In addition, the data center industry will see an increasing demand for speed, with data flowing to and through data centers likely to be faster and with greater capacity. With mid-band 5G and Wi-Fi 6 technologies in deployment, HD video, AR/VR/XR and AI-enabled applications are now able to send more data to the edge and core data centers for processing and storage. At the same time, the industry's growing understanding of sustainability, rising energy costs, and the growing need for sustainable business have forced companies to pay more attention to sustainability, and their environmental footprint has a direct impact on their operating costs and residuals. Data center sustainability is not a question that can be easily answered and requires multiple factors such as the evolution of power and cooling efficiency, monitoring of equipment operation, the flexibility of facilities, and even adjustment of corporate management models. The 9th China (Shanghai) International Data Center Industry Exhibition and the 4th China Data Center Green Energy Conference, organized by CDCC and hosted by Longo Exhibition (Shanghai) Co. As an important product exhibition and technology exchange platform for China's data center industry, IDCE has attracted hundreds of famous enterprises from home and abroad, including Ali Cloud, Tencent Data Center, Huawei, ZTE, etc. In 2022, the exhibition area of IDCE was nearly 11,000 square meters, receiving 11,032 professional visitors and nearly 160,000 online picture and live video viewers, an undeniable industry event. This is an undeniable industry event. At that time, the industry leaders will focus on the development of green energy in data centers, discuss the new trends and directions of the data center industry under the background of the implementation of the national "carbon peak, carbon neutral" strategy, and provide new momentum and new thinking for the development of data centers and the energy industry.
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  • What is Data Center Cooling?
    Dec 30, 2022
    What is Data Center Cooling? Data centers require a cool environment for the processor to function successfully, because excess heat can damage the systems and result in data loss or interrupted information flow. In data centers, cooling systems are used to prevent such damage and preserve the air temperature within acceptable limits. Data center cooling solution is used to maintain ideal environmental conditions for information technology equipment (ITE) operation. The technology eliminates ITE heat and transfers it to the heat sink. Thus, it can be inferred that data centers cannot function efficiently and can result in a system failure in the absence of an appropriate cooling system. Why do data centers need cooling? One of the most important and less understanding processes in the critical IT environment is data center heat removal. As the latest computer equipment is smaller and uses the same or more electricity than the replaced equipment, more heat is generated in data centers. Precision cooling and heat rejection systems are used for collecting and transporting this undesired heat energy into the outer atmosphere. 1. Increasing need for energy-efficient data center facilities The energy consumption in the ICT sector has increased exponentially in recent years. The data centers, recently experiencing unprecedented growth in size and population, form an integral part of today’s ICT. The Tech giants such as Google, IBM and Microsoft have large cloud and app hosting data centers. Several studies have been established for energy consumption of data centers, these studies emphasize upon the rising need for evolving strategies for energy efficiency. Heat generated from highly populated data centers requires huge cooling units to maintain the temperatures within the operational range. 2. Rising shift toward digital transformation through connected technology Lately, digital transformation has gathered a lot of attention. It not only includes deployment of new technologies, but also the alteration of business processes and models that can completely leverage such technologies. It helps organizations to obtain unmatched productivity levels, improve customer experience, influence innovation and enlighten competitive benefits. Digital transformation is altering the nature of the data center, and novel technologies are rapidly placing more demand on data centers and data center services. Types of Solutions · Air Conditioners In basic terms, air conditioning involves removing heat and humidity from the inside of an occupied area to improve the occupants comfort. In both domestic and commercial environments, air conditioning can be used. This process ensures a more comfortable interior environment for humans, however air conditioning is also used to cool/dehumidify roommates filled with electronic heat-producing devices such as computer servers, power amplifiers, and some sensitive products, like artifacts, even for display and storage. · Precision Air Conditioners Precision air conditioning is designed to manage sensitive heat (humidity without the emanation of a machine), while latent heat (humidity with the emanation of persons) is managed with comfort/standard air conditioners. Designed for many different applications, high-precision air conditioning including cooling of the data center, medium and low-density server environments, telecom switching systems, medical operating theaters, and a clean-room environment is essential. · Chillers Data centers constitute a mix of computing elements, networking infrastructure, storage systems along with power management and cooling capabilities all of which offer opportunities for improving energy efficiency and achieving more sustainable data centers. With air-cooled chillers, heat is removed from the returning chilled water is rejected to a device called an air-cooled condenser that is typically integrated with the chiller. This type of chiller is known as a packaged chiller and can also be integrated into a cooling facility module.
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  • What are the benefits of using precision air conditioning in the server room?
    Jul 28, 2022
    Air conditioners can regulate temperature, humidity and air cleanliness, so air conditioners are used in many industries, but for some specific functions of the room can not do, need to install precision air conditioning, such as machine rooms, laboratories, instrument rooms, museum storage rooms and other places. Precision air conditioners are also known as constant temperature and humidity air conditioners, which can accurately control the humidity and temperature of the environment. Precision air conditioners are characterized by large air supply volume, small enthalpy difference, high sensible heat ratio and high air purification rate. The humidity change rate is less than 10% RH/h (when the humidity is set at 40%-60%) and the humidity can be accurate to ±3%, and the temperature change rate is less than 5℃/h (when the temperature is set at 15℃-30℃) and the temperature can be accurate to ±0.5℃. The design life of precision air conditioning can reach 10 years, continuous operation time up to 86,400 hours, the average failure-free rate reached 25,000 hours, the better maintenance of precision air conditioning can run about 15 years. The benefits of using precision air conditioning in the server room are mainly as follows. 1. High temperature constancy. The high-speed operation of the equipment in the server room will bring a large amount of heat, in order to maintain the normal operation of the equipment, it is necessary to control the equipment in the state of constant temperature environment. If the temperature of the room can not be constant, it is easy to cause the electronic components of the equipment to reduce the life, when there is a high ambient temperature brought about by the local overheating of the equipment, will cause the equipment to burn or downtime. 2. High humidity constancy. The humidity of the environment in the server room affects the service life of the equipment and brings safety hazards. If the humidity of the room is too high, the low-temperature environment will appear too much condensation, dripping on the equipment to cause burn or even fire; if the humidity of the room is too low, after the air becomes dry, it is easy to generate static electricity, which will also cause certain dangers. 3. High air cleanliness. There are many precision instruments and electrical components in the server room, fine dust can easily lead to short circuits. Precision air conditioning has a better ability to filter air impurities, the air sent into the room are clean, reducing dust scattered on the equipment components, triggering equipment short-circuit, overheating, and the phenomenon of data errors. 4. Air supply volume. Precision air conditioning equipment are relatively large, through a special air duct for air treatment after feeding, in the face of heat dissipation is relatively large electronic equipment without sufficient air volume is difficult to achieve uniform cooling of equipment, and precision air conditioning has more than ordinary air conditioning more than 1 times the volume of large air supply, can quickly pump away the heat in the room, to achieve the purpose of rapid cooling equipment. In short, ordinary air conditioning is facing the living environment of personnel, for the server room, heat dissipation is relatively large, the higher demand for air conditioning heat dissipation; cooling the continuous working time is relatively long, almost all 24 hours in a row; the temperature should be controlled between 22 ℃ -24 ℃; the humidity should be controlled between 50% ± 5%; the cleanliness should be controlled in ASHRAE 20% +, the more accurate the control is the better The more precise the control is, the better the control is; to cope with the outdoor ambient temperature is also stronger, can withstand -35 ℃ to -42 ℃ environment, for the above conditions precision air conditioning can do, ordinary air conditioning can not meet. Precision air conditioning to ensure constant temperature, constant humidity, constant cleanliness and long life of the server room.
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  • What causes the low pressure alarm in the server room air conditioner?
    May 13, 2022
    A data center server room has a high voltage alarm, check the machine alarm logs in a total of three categories: First, low supply voltage does not start. Low power supply voltage does not start is often due to voltage reduction or phase failure, low supply voltage, resulting in 24v transformer output voltage is insufficient; condenser 24v AC contactor can not work. The specific need to use a multimeter to test to determine. If necessary, equip with grid regulator. Compressor failure alarm is one of the most common alarms in the server room precision air conditioning, in the refrigeration system, the high voltage controller is set at 350psig, the machine is running, when the high voltage value reaches this limit, the high voltage alarm is generated. To make the compressor start again, it must be manually reset; however, before pressing the reset button, the cause of the high pressure must be identified in order to make the machine run normally. Second, the compressor high pressure alarm. For refrigeration systems, it is recommended to clean the surface of the condenser dust and dirt, but care should be taken not to damage the copper tubes and fins. If the alarm still appears after maintenance, the alarm can be eliminated by performing maintenance in the system menu, maintenance cycle. Third, the humidifier refrigeration system needs maintenance. It is usually caused by an obstacle in the refrigeration cycle, such as too high Freon pressure, too low pressure or the resulting overheating of the press and other reasons. The specific need to use the pressure gauge to test to determine. For the humidifier and refrigeration system requires maintenance of the alarm processing, humidifier normal operation process, mineral particles and other deposits will gather on the humidifier pan. These deposits must be regularly maintained and removed to ensure efficient operation of the humidifier. As water sources around the world have different characteristics, so the time of cleaning gradually should be decided by each place itself. It is recommended that monthly maintenance checks be performed on precision air conditioners in data center rooms (if necessary, they should be cleaned monthly). By draining the pan (removing the vertical pipe), disconnecting the drainage pipe coupling and removing the set screws at both ends of the pan, the deposits on the pan of the humidifier can be easily removed.
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  • How to innovate the planning and design of data center under the trend of "double carbon"?
    May 13, 2022
    With the development of digital economy, the scale of data center industry has further expanded and energy consumption has increased rapidly. In order to deal with the relationship between development and energy saving and ensure the realization of the "double carbon" target, data centers are constantly exploring the potential of energy saving and emission reduction in terms of construction mode, technology, standard and renewable energy utilization. The planning and design, as the beginning of data center construction, is an essential part of promoting energy saving and emission reduction in data centers. The carbon emissions of data centers are mainly due to the consumption of electrical energy, and the total electricity consumption of China's data centers reached 200 billion KWh in 2020, accounting for more than 2.7% already. It is expected that the proportion will double to 4.05% by 2025. In this case, to reduce carbon emissions, it is necessary to further increase the proportion of new energy use. The data center has made various attempts in planning and design, and there are innovative practices, such as the application of "source-net-load storage", which can reasonably plan energy storage through the synergy between the supply side and the use side; for example, the CenturyLink Foshan data center energy storage pilot project is the first time in China to successfully apply new large-scale energy storage technology to a large data center. For example, the CenturyLink Foshan data center energy storage pilot project is the first time in China to successfully apply new large-scale energy storage technology to a large data center. Data center energy storage systems show a good development trend, however, it should also be noted that there are still numerous difficulties in the development of energy storage systems. Therefore, the problem needs to be solved by considering the following points: First, the combination of planning, design and technology promotes the reduction of energy consumption of the cooling system. Data centers generate a lot of heat during operation, and in order to ensure the normal operation of cabinets, cooling and heat dissipation are required, and a significant portion of data center energy consumption is used for this purpose. Through planning and design, choosing a reasonable refrigeration system is an effective means to reduce energy consumption and PUE, and the influencing factors include site selection, building scale and mode, technology maturity, etc. Second, strengthen planning and renovation to promote energy saving in built data centers.In order to achieve energy saving and emission reduction in data centers, the state and many localities have set goals such as energy efficiency development. For example, the "Implementation Plan for the Coordinated Development of Data Centers in Beijing (2021-2023)" issued by the Beijing Municipal Bureau of Economy and Information Technology proposes that, according to the general idea of "four batches", by closing a batch of functionally outdated data centers, integrating a batch of scattered data centers, transforming a batch of high-consumption and inefficient data centers, building a batch of new The goal is to build the world's leading high-end data center development cluster with intensification, greening and intelligence. In order to further realize energy saving and carbon reduction, data centers must take relevant factors into consideration in planning and design, including energy storage and cooling. With the maturity of technology and the improvement of related solutions, data centers will further promote energy saving and emission reduction through planning and design.
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