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The DC uninterruptible power supply system with 10 kV AC input optimizes the original system through the two dimensions of power distribution link and rectifier module topology, which reduces the power distribution link of the system by 66%, thus achieving the highest operating efficiency. way to increase by more than 3%. Suitable for new and retrofit data centers. A data center in East China uses 18 sets of 1.2 MW from Alibaba Cloud Computing Co., Ltd. The 10 kV AC input DC uninterruptible power supply system is configured with DR architecture, and the power supply part can save 8.5 million kWh of electricity annually. It is expected that the market share will reach 20% in the next five years.
Distributed power supply technology "divides" the centralized power supply and distribution system into parts and distributes them in the cabinets of the data center. The built-in lithium battery module is used to replace the lead-acid battery, and the mature and stable control technology of the traditional power supply and distribution system is combined with the new high-performance lithium battery energy storage technology, which reduces the energy consumption, volume and weight of the data center power supply system and improves the power supply. The reliability of the system increases the space utilization rate of the computer room by 30% to 50%. Suitable for new and retrofit data centers. A data center uses the distributed power supply system of Anhui Mingde Yuanneng Technology Co., Ltd. Compared with the centralized power supply system, it saves about 5.6% of power consumption; the overall income increases by 30%; at the same time, batch investment can be realized; flexible adjustment is supported Power supply system to meet the needs of business development. It is expected that the market share will exceed 5% in the next 5 years.
The distributed lithium battery backup system adopts high-rate lithium batteries with mature technology. The battery pack is composed of series and parallel connections, and the backup unit is composed of DC/DC that controls charging and discharging. Multiple BBUs are connected in parallel to form a distributed battery backup system. . Suitable for new and retrofit data centers. A data center uses 215 sets of products from Beijing Baidu Netcom Technology Co., Ltd., the power supply efficiency can reach 99.5%, save more than 25% of the computer room area, increase the service life by 2~3 times, and save 400,000 kWh of electricity annually. It is expected that the scale of application will continue to expand.
The flywheel energy storage device is composed of a flywheel energy storage motor, a power electronic device, a monitoring system, and an auxiliary system. The original UPS battery uninterruptible power supply system is transformed through the flywheel energy storage device, UPS cabinet and backup power supply, which improves the reliability and safety of the UPS uninterruptible power supply system. Suitable for new and retrofit data centers. The highest efficiency of the flywheel energy storage device is >98%; the efficiency of the flywheel energy storage power system is >97.5%. A data center uses products from Erzhong Deyang Energy Storage Technology Co., Ltd., saving more than 5,000 kWh of electricity annually. It is expected that the market share will reach 10% in the next three years.
The open ventilated 3D wound core dry-type transformer adopts a three-dimensional wound core structure, and the three-phase magnetic circuit is completely symmetrical and equal in length to ensure the balance of the three-phase power supply. It adopts the hybrid insulation technology composed of aramid insulating paper and Alentas one-component varnish, the highest insulation grade is C, the maximum allowable temperature is 220°C, and no harmful gas will be released below 750°C. The energy consumption level can reach or be better than GB. 20052—2020 Level 1 energy efficiency standard in "Power Transformer Energy Efficiency Limits and Energy Efficiency Grades". A data center uses the products of Haihong Electric Co., Ltd. and is equipped with two open-type three-dimensional wound core dry-type transformers. The power supply system can save about 40,000 kWh of electricity annually. It is expected to maintain a compound annual growth rate of 12.4% in the next three years.
Huawei's new generation of medium and large-scale modular uninterruptible power supply system adopts new hot-swappable power modules. Its 50 kVA power module has been used in the industry for more than 8 years. The latest 100 kVA power module is more effective in saving space and space. During installation hours, the efficiency of the system online mode is as high as 97%, and the efficiency of the innovative intelligent online mode is as high as 99%. Sleep mode is low-load and high-efficiency, iPower intelligent means improves system reliability, simplifies operation and maintenance, and intelligent online mode achieves high efficiency and excellent indicators while ensuring uninterrupted switching. A data center uses high-efficiency modular UPS products from Huawei Technologies Co., Ltd. with a total capacity of 20 MVA, including two types of UPS. Compared with traditional UPS, the efficiency is increased by 1%, and the annual power saving is 10.04 million kWh. It is expected that the market share will reach 65% in the next five years.
The smart lithium battery SmartLi is an energy storage product launched by Huawei for supporting UPS. It has the advantages of safety, reliability, long service life, small footprint, and simple operation and maintenance. A data center uses the intelligent lithium battery products of Huawei Technologies Co., Ltd., with a total configuration of 28 sets of UPS5000 series modular uninterruptible power supplies (500 kVA) + 40 sets of SmartLi intelligent lithium batteries, with an annual power saving of 6,400 kWh. It is expected that the market share will reach 55% in the next five years.
The intelligent power module adopts an integrated integration scheme, which has the characteristics of integrated integration, safety and reliability, saving the floor area of the computer room and improving link efficiency, saving time, labor and worry for installation, compatible architecture, fast and flexible deployment, and integrated centralized monitoring. , suitable for new and retrofit data centers. The power module has a built-in high-efficiency modular UPS, and uses prefabricated copper bars to optimize the power supply link, increasing the link power supply efficiency of the original data center power supply and distribution system from 94.5% to 95.5%. A data center uses products from Huawei Technologies Co., Ltd., with a total of 1,000 cabinets. The power of a single cabinet is 8 kW, and the load rate is 80%. It is expected that the market share will reach 40% in the next five years.
The modular uninterruptible power supply (UPS) consists of a complete machine cabinet, a power module, a bypass module, a system control module, a monitoring module and a power distribution module. Each functional unit adopts a modular design, and the system supports IECO online compensation energy-saving mode, which can be switched seamlessly. At the same time, the system has a built-in centralized static switch bypass, which has strong short-circuit resistance and higher reliability. A data center project in Guangzhou used 10 sets of 400 kVA and 10 sets of 500 kVA UPS power supply systems for data centers of Kehua Data, and the comprehensive annual economic benefits totaled 1.4191 million yuan. expected future 5 The annual market share can reach about 30%.
The 240V/336V DC power supply system for data centers is a high-power, modular, energy-saving DC uninterruptible power supply product developed for the reliability and economy of power supply requirements for data centers and data centers. The power part adopts a standard modular design, and the system capacity can be flexibly configured. According to the system capacity, it is divided into combined type and split type. The maximum capacity of the combined system is 210 kW, and the maximum capacity of the split system is 720 kW. A data center in Guangzhou adopts four sets of 1200A/360kW data center DC power supply systems of Kehua Data, adopting a 17+7 multi-redundancy configuration, and the total comprehensive annual economic benefits are 593,600 yuan. It is expected that the market share will reach 20% in the next five years.
The distributed lithium battery uninterruptible power supply system adopts a modular and miniaturized design, and can be distributed in each IT cabinet of the data center to supply power to the load, with high load efficiency. The built-in design of lithium battery makes full use of the characteristics of high charging and discharging efficiency and good energy saving effect of lithium battery to ensure longer backup time and better power saving effect. Replace the traditional UPS application mode and lead-acid battery, green and pollution-free. Invest on demand to reduce initial investment costs. Suitable for new and retrofit data centers. The efficiency of mains mode is higher than 94%, and the efficiency of battery mode is higher than 91%. A data center renovation project used 232 sets of products from Lianfang Yuntian Technology (Beijing) Co., Ltd., and each set of power supply and temperature control guarantees an annual saving of 7,200 kWh. It is expected that the market share will reach 30% in the next five years.
The modular uninterruptible power supply modularizes the functional parts of the UPS system and divides them into cabinets, bypass modules and power modules. The whole machine has intelligent control and green sleep backup functions to improve system operation efficiency and energy saving effects. The IT distribution room of an airport uses the products of Shenzhen INVT Power Supply Co., Ltd., and uses 2 sets of RM150/25C modular UPS products, and the power supply part can save 150,000 kWh of electricity annually. It is expected to ship 21,000 units per year in the future.
The magnetic levitation flywheel energy storage device is an electromechanical energy conversion and storage device that stores kinetic energy in the form of high-speed rotation of the flywheel body, and completes the conversion between kinetic energy and electrical energy through a motor/generator coaxial with the flywheel body. This device uses five Freedom active magnetic levitation bearing system, the flywheel is in a non-contact and complete magnetic levitation state in a closed vacuum container, and rotates at a speed of not less than 35,000 revolutions per minute. Within the normal use frequency of the equipment, the service life can reach more than 20 years. Suitable for new and retrofit data centers. A data center uses 24 products from Shenyang Weikong New Energy Technology Co., Ltd., and the power supply part saves 900,000 kWh of electricity annually. It is expected that the market share will reach 40% in the next five years.
SCB-NX1 intelligent epoxy casting dry-type transformer is a solution with low loss value of dry-type transformers at present, which can effectively reduce the power loss of data centers. It is a green operation and maintenance management technology that improves energy and resource utilization efficiency. technology products. Suitable for small, medium, large, and very large new and retrofit data centers. In terms of geographical location, SCB-NX1 energy efficiency series dry-type transformers can adapt to various climatic conditions such as severe cold, cold, and mild. A data center uses products provided by Schneider Electric (China) Co., Ltd., which saves about 484,000 kWh of electricity annually. It is expected that the market share will reach 4% in the next three years.
Modular design uninterruptible power supply integrates UPS power supply, UPS power distribution, and precision power distribution cabinet in one cabinet, and adopts patented E-conversion operation mode and hybrid three-level inverter technology. Suitable for new and retrofit data centers. The efficiency can reach 99% in the E-conversion operation mode, and 97% in the double-conversion operation mode. An enterprise data center uses Schneider Electric's modular design uninterruptible power supply products, and adopts a 100 kVA integrated uninterruptible power supply system, which saves 40,800 kWh of electricity annually in the power supply part. It is expected that the market share will reach 15% in the next five years.
APT prefabricated power modules connect the medium-voltage cabinets, transformers, low-voltage cabinets, power compensation devices, UPS and other devices in the medium and low-voltage links through copper bars, and complete the prefabricated integrated power supply products in the factory. The APT system simplifies the electrical link and increases the PUE value of the system. Copper bar connections instead of cables reduces on-site construction time. Suitable for new and retrofit data centers. The APT system simplifies the electrical classification layout, the loss of copper bars is also better than that of cables, the actual delivery time can be shortened to 1/6 of the original, and the floor space can be saved by as much as 30%. A data center in Zhejiang adopted the products provided by Vertiv Technology Co., Ltd., the power supply pPUE was reduced by 0.02, and the power system saved 30%. It is expected that the market share will reach more than 20% in the next three years.
Trinergy intelligently regulates the "three working conditions" UPS products with AI features, and can adaptively select the best of the three modes of VFI/VI/VFD (IEC62040 standard) based on historical and current mains and load conditions run mode. Suitable for new and retrofit data centers. A data center in Germany adopts the 1600 kVA UPS in the "three working conditions" mode intelligently regulated by Vertiv Technology. On the premise of ensuring high power supply quality and 99.999998% availability, it provides a comprehensive operating efficiency of up to 98.5% and a power supply of up to 99.5%. Maximum efficiency, annual electricity saving of about 800,000 kWh. It is expected that the market share will reach 40% in the next three years.
Each functional unit of the modular uninterruptible power supply (UPS) adopts a modular design. The system supports online compensation and energy-saving operation mode (IECO). When the first control UPS system works in IECO mode, the system can automatically perform power factor compensation, so that the input power factor of the UPS is always greater than 0.99. The system also has the function of energy storage, and cooperates with the lithium battery system to achieve peak shaving and valley filling, creating value. The system has a built-in centralized static switch bypass, which has strong short-circuit resistance and higher reliability. A supercomputing center uses the modular uninterruptible power supply products of Xiankong Jielian Electric Co., Ltd., which can save about 7% of electricity compared with traditional UPS, with a load of 800 kW, and an annual power saving of 500,000 kWh. It is expected that the market share will reach about 30% in the next five years.
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Source: Ministry of Industry and Information Technology
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