UPS lithium battery energy storage solution improves data center reliability. For many years, data centers have been troubled by such events as power outages and downtime. Traditional UPS lead-acid battery solutions can no longer meet the needs of data centers. With the rapid development of lithium battery energy storage, UPS lithium battery energy storage systems The technology is mature and lithium battery energy storage systems are likely to become a standard product in the data center market soon. In this article, the editor will talk about lithium battery energy storage solutions in data centers.

　　UPS lithium battery energy storage solution improves data center reliability

　　Batteries have become a sore spot due to their "high energy consumption, high pollution, and resource nature." In recent years, the rapid development of lithium battery energy storage technology has gradually highlighted its advantages. Compared with traditional lead-acid batteries, lithium batteries have higher energy density. With the advantages of high efficiency, small size, light weight, long life, and wide operating temperature range, the company also provides reliable lithium battery UPS solutions as a new choice for customers. Lithium battery energy storage solutions improve the reliability of data centers.

　　UPS lithium battery energy storage adopts the lithium battery modular design concept to minimize the coupling of infrastructure to the computer room environment. It integrates power supply and distribution, refrigeration, cabinets, air flow containment, integrated wiring, dynamic environment monitoring and other subsystems to improve the overall operational efficiency of the data center and achieve rapid deployment, elastic expansion and green energy saving.

　　Advantages of using lithium batteries in data centers:

　　◆In recent years, data centers have focused on increasing their power density due to space constraints and the need for higher efficiency operations. More efficient available space is one of the most important tasks for data center owners. The compact UPS lithium battery can reduce the space occupied in the uninterruptible power supply system by 50-80%. In addition, construction costs for new data centers can be saved because the space required to house the lithium-ion battery cabinets used for UPS energy storage can be smaller.

　　◆UPS lithium batteries have shorter charging time and better self-discharge rate, and can play an important role when frequent operation interruptions occur. When idle, lithium batteries lose approximately 1-2% of their charge per month. The most important advantage is its long service life. Lead-acid batteries have an extremely short service life, only 3 to 6 years.

　　◆Lithium batteries can last for about 10 years. The life expectancy of a typical UPS system in a data center is typically 10-15 years. Lead-acid batteries can last 3-6 years, while lithium batteries can last up to 10 years or even longer.

　　◆Lithium batteries can operate at temperatures of 86°F (30°C), which is nearly 10°C higher than lead-acid batteries. This allows organizations to increase the room temperature in the data center, thereby saving electrical energy used for cooling, reducing cooling costs and saving total cost of ownership (TCO). In addition, lithium-ion batteries are not very sensitive to temperature changes, and excessive temperatures will obviously not shorten the battery life.

　　◆Lithium batteries are equipped with a built-in battery management system (BMS), which can provide monitoring and maintenance functions such as automatic status, fault monitoring, battery balancing, power optimization and external communication. Battery management systems (BMS) make it easier for data center facility engineers to monitor battery runtime and health, reduce labor and maintenance costs, and significantly reduce the risk of battery pack failure.

　　◆Lithium battery UPS occupies a small area and is very suitable for use in modular data centers. It reduces the total weight of the modular data center, making it easier and cheaper to transport to the installation site.

　　◆Because lithium batteries are lighter in weight and take up less space, they are more suitable for high-rise data centers. Data center operators can place lithium battery cabinets at higher locations without reinforcing the floor.

　　Lithium batteries will bring new ways of energy storage in data centers:

　　Today, data center technology is constantly evolving. Cooling technology, computer room space, and bandwidth requirements are changing to support changing use cases and the growth of the digital economy. In the past few years, lithium battery UPS technology and structural construction have evolved greatly, and its performance, safety and cost have been significantly improved.

　　It will become a trend to use lithium battery energy storage in data center power supply systems. Currently, for the data center industry, it is particularly important to maximize the use of existing space and minimize operating expenses, especially UPS power cooling energy consumption, battery maintenance and battery replacement service costs. Lithium batteries have become the key to solving these problems because of their excellent performance. The UPS lithium battery energy storage method may have a greater impact on the future data center industry, because more and more enterprises hope to adopt an architecture based on open computing, and they will specify the use of lithium batteries as the power supply for servers in the rack. power supply unit.

　　UPS lithium battery application solutions in the communications industry:

　　Currently, in the communications industry, lithium battery products mainly appear in the form of 48V battery modules (composed of 16 3.2V cells). When used with a 336V DC power supply, seven 48V lithium battery modules are selected to be connected in series to form a 336V lithium battery pack. use. Since lithium batteries must use a BMS (battery management system), and each 3.2V cell needs to be monitored and controlled to ensure battery consistency, it is also very difficult for a single BMS to manage more than 100 cells.

　　In response to this problem, we proposed a two-layer management model for 336V lithium battery packs. The bottom layer is the unit BMS, which monitors and manages a single 48V lithium battery module; the upper layer is the system BMS, which comprehensively handles the monitoring information and management requirements of the seven BMS units on the bottom layer. , and communicates with the 336V DC power supply monitoring module at the same time to manage the internal cells of the 336V lithium battery pack to ensure the safety of battery charging and discharging.

　　Conclusion: Today, data center technology is constantly evolving. As the global UPS lithium battery industry continues to scale up and cut costs, we may see lithium battery energy storage solutions become the primary method of ensuring power reliability in data centers and replace lead-acid batteries. We believe that the application of lithium battery UPS will definitely become a major power supply solution in data center computer rooms. It will become a trend to adopt lithium battery solutions for data center power supply systems.

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