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为了安全有效的数据中心冷却

对于运营商和设计工程师来说，数据中心中的IT设备冷却是一个越来越多的挑战。电力管理是主要的挑战，随着服务器密度的逐步增加，能源消耗和热负荷增加。应对这些挑战对于确保数据的安全性和可用性至关重要。

数据中心冷却技术：

数据中心冷却解决方案中的其他重要因素是：

  • 成本优化：在数据中心中，冷却最多可能是总体能源成本的50％
  • 精确的湿度控制和更好地控制静电
  • 对于电网对负载敏感，减少停机时间和整体系统寿命增加的情况，最小启动电流

为什么选择我们的可变速度压缩机进行流程冷却？
第一个主要好处是总体节能。

其他好处包括：

  • 合并压缩机和免费冷却的灵活性
  • 快速，平稳地适应不同的负载；Danfoss逆变器技术可调节25％至100％之间的冷却，从而节省了大量能源，尤其是在部分负载操作中。经验表明，在能源消耗中最多可节省50％。这大大降低了PUE值（提供给数据中心的功率比除以IT基础架构消耗的功率）（见图1）。

图1：与配备固定速度压缩机的单元相比，配备了单个逆变器压缩机的包装单元中的势节能。

  • 实际的能源效率提高将根据数据中心设计和冷却系统的配置而有所不同。但是，最近的经验表明，将VSH可变速度压缩机解决方案安装到先前使用传统的开关压缩机的单元中可以减少冷却单元的年能源消耗多达50％。Danfoss逆变器滚动压缩机是当今市场上最节能的解决方案。
  • 稳定而精确的温度控制，具有非常一致且无需逐步适应所需的冷却负荷。无论环境温度或外部温度的变化如何，由于容量调制系统，系统都可以在±0.2°C以内保持设定的点温度（见下图）。
  • 在部分载荷条件下降低噪声有助于周围设备的整合。
  • 减少的启动电流是可变速度技术的另一个好处，因为压缩机很少需要在满载下启动，并且由于Danfoss逆变器的启动非常柔软，而刷新电流非常低。这种好处解决了电力不稳定的地区出现的问题，避免了需求的峰值。

betway88必威手机版

Danfoss Turbocor model TGS oil free compressors are available in 5 different models ranging from 40 tons to 150 / 140 kW to 540 kW utilizing ultra-low GWP R1234ze or R515B.

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Danfoss Turbocor®model TTS oil free compressors are available in four different models ranging from 60 tons to 200 tons / 200 to 700 kW utilizing R134a or low GWP R513A.

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Danfoss Turbocor® model VTT oil free compressor is available with a capacity up to 400 tons / 1430 kW using R134a.  This compressor is designed for water and evaporative cooled chiller applications.

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Danfoss inverter scroll compressor VZH offers effectiveness and reliability. Over 30% energy savings is possible in rooftops, chillers, close controls etc.

","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]},{"Id":"https://danfoss-webex-umbraco-prodblue.azurewebsites.net/en/products/dcs/compressors/compressors-for-air-conditioning-and-heating/inverter-scrolls-vsh/","FormattedStartDate":null,"FormattedEndDate":null,"Link":{"NewWindow":true,"Url":"//www.hongryhowies.com/store/en/Cooling/Compressors/Compressors-for-Air-Conditioning/Inverter-Compressor-Solutions/c/2151?q=%3Arelevance%3Adanfoss_producttypehierarchydesc%3Ad3e1d70a0927bfd30e5ecb9039b5784c8096971d&text="},"IsExternalLink":true,"Title":"Inverter scrolls - VSH","Image":"/media/5781/danfoss-vsh-inverter-scroll-compressor.jpg","ImageAltText":"Danfoss VSH inverter scroll compressor","Description":"

Danfoss inverter scroll compressor solutions for commercial air conditioning and process-cooling applications. R410A, single units. VSH: first-generation commercial inverter scroll compressors with frequency converter CDS302. VZH: second-generation commercial inverter scroll compressors with frequency converter CDS303. VRJ: first high-tier residential inverter scroll compressors with frequency converter CDS801.

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案例故事

The new Alsik hotel in Southern Denmark sets a higher standard in energy-efficiency and is built to reach 76% CO₂-neutrality. A main contributor is the 900-kW chillers by Clint (a company of G.I. Industrial Holding) which features award-winning Danfoss Turbocor oil-free compressors.

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Danfoss conducted a study to see how long term operation affected performance on Danfoss Turbocor® compressors. The results showed that oil-free, magnetic bearing compressors maintained consistent performance even after 10+ years of operation.

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The benefits of inverter air conditioners include energy efficiency in buildings, lower energy consumption, running costs and impact on power grid, accurate comfort and high quality in process.

","StartDate":null,"EndDate":null,"Location":null,"EventTypes":null,"HasErrors":false,"HasWarnings":false,"Errors":[],"Warnings":[]},{"Id":"https://danfoss-webex-umbraco-prodblue.azurewebsites.net/en/service-and-support/case-stories/dcs/cooling-resort-centers/","FormattedStartDate":null,"FormattedEndDate":null,"Link":{"NewWindow":false,"Url":"/en/service-and-support/case-stories/dcs/cooling-resort-centers/"},"IsExternalLink":false,"Title":"Cooling resort centers","Image":"/media/7579/cooling-resort-centers-danfoss.jpg","ImageAltText":"Cooling resort centers danfoss","Description":"

Case on how inverter compressor improves humidity control and energy efficiency in building cooling and resort centres

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Example of data center cooling featuring inverter technology that reaches low PUE, saves energy and costs and secures data process.

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A world leading company in wireless technologies opt for three 1,400-ton chillers powered by 21 Danfoss Turbocor™ compressors to improve efficiency and lower costs at data center.

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