The potential risk of external floating temperatures and frequent discharges is the main reason that restricts the rapid development and promotion of box data centers. Now, PowerPower, a modular power system that integrates flywheel UPS power supplies, was developed by Active Power, a key standby power system and sustainable solution provider in the United States. It completely solves the problem of temperature fluctuations and fluctuations in the battery during the mobile process. The security risks caused by frequent charge and discharge, lead the box-type data center development trend with more safe and reliable performance and more efficient and energy-saving way.
Modular power supplies and cooling systems including UPSs, switchgears, back-up generators and cooling systems are not new today. But it is worth paying attention to the continuous and efficient operation of the box data center. The operating temperature of a battery in a conventional UPS is 20 to 25° C., and its performance decreases by half or more for every 10° C. increase or decrease in temperature. When the ambient temperature exceeds 25°C, the battery life will be shortened by one year for every 1°C increase in temperature. Flywheel UPS has strong adaptability to the environment and can operate normally between 0°C and 40°C. It will not be degraded due to external factors. This creates conditions for the application of box-type data centers. In addition, because there are more than 150 telemetry networks that remotely measure the flywheel's operation and provide accurate picture of system performance, such a mechanical power system is predictable. In other words, the security of the PowerHouse system is precisely controllable.
In addition, the PowerHouse system has a higher level of efficiency. At present, a large number of energy-saving UPS systems can be purchased on the market. However, one problem to be noticed is that these UPS systems pay more attention to the efficiency at full load, and the efficiency of some loads is often overlooked. Typically, because the UPS system has redundant units and failover capabilities, the UPS system will operate at 40% load or less. According to the research results of EPRI, the average load rate of the UPS system is 37.8%, so its efficiency is only 81%. In contrast, the integrated flywheel UPS system has an efficiency of 98% at full load and 94% at 40% partial load, which makes the PowerHouse system superior to similar products.
Active Power's president of China stated that "it is precisely because of PowerHouse's excellent performance in harsh natural environments, making it the only choice for some users. In fact, in Huawei's aid to Africa project, this modular power system has is widely used."
PowerHouse takes Flywheel UPS as the core component, integrates components such as diesel engine set, ATS switch cabinet, switchgear cabinet and status equipment into standard containers to form an uninterruptible power system with sustainable power supply. Based on the efficient and flexible structure of Active Power, the PowerHouse system can be quickly assembled and applied. Its power range is from 200kW to 800kW. It is a fully expandable structure that can be used to expand standby power with user needs. Traditional backup power supplies require on-site assembly of individual components, while the PowerHouse system is a power solution that is factory-assembled to perform field-reinspection. Its design, quality control, testing, construction and verification are done at the factory instead of on site, so the interoperability between integrated flywheel UPS, switchgear, standby generator and cooling equipment is ensured, and it is also the site of the system. Installation and deployment save valuable time. The PowerHouse system is highly efficient, but its footprint is small. Users can quickly deploy PowerHouse systems with security features under field constraints. The user can place it in a place such as a roof, an idle loading room, a courtyard, or even a parking plant.
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