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模块化冷却器

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  • 案例故事
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降低了冷却器中的安装和运行成本

HVAC系统的核心组件，一个冷却器冷却用于在建筑物或工业过程中冷却空气的水或盐水。这是一个工厂组装的单元，可使用蒸发器冷却水或盐水，并具有具有适当控件的内部或远程冷凝器。冷凝器可以被水冷或风冷。基于此类设计的冷水机具有多种应用，从空间冷却到过程目的。

典型的模块化冷却器单元使用串联固定速度压缩机为模块化系统提供一些零件负载功能。这些单元共享相同的供水系统，向建筑物提供冷却或加热的水。

Danfoss提供了仅使用一个可变速度压缩机而不是固定速度串联的选项，以更好地匹配模块化冷却器单元的容量需求。

为什么为模块化冷却器选择DANFOSS变量速度压缩机？

对于最终用户：

  • 使用Danfoss逆变器压缩机解决方案，该设备将具有更好的季节性能源效率，并全年提供能源节省。在下图中说明了加热和冷却模式中的节能潜力，这是环境温度的函数：

对于OEM：

  • 通过使用一个逆变器压缩机，可以简化设备的设计，以在全速范围内提供连续的容量输出。制造商可以为最终用户提供灵活的选项，例如：
    • 完整的可变速度解决方案，所有单元都使用可变速度压缩机来达到最佳效率和调制。
    • A solution using a combination of variable-speed compressors with other fixed-speed compressor modules, allows a good improvement in energy efficiency whilst remaining cost competitive.
  • 可以降低成本，因为可能需要更少的组件，例如多个固定速度压缩机，继电器和压力开关；所需的管道量也将减少。
  • Modular chiller units using Danfoss variable speed compressor solutions also provide the opportunity for manufacturers to offer an alternative to VRF units.
  • VZH variable speed chiller designs also give manufacturers the opportunity to offer innovative and differentiated solutions which can improve product and brand image, instead of units using traditional on-off compressor technology.

What other benefits are there for your customers when they choose Danfoss inverter compressors?

  • Reduced installation costs: thanks to the more reactive adaptation to cooling demand, the manufacturer or the installer has the possibility of eliminating or downsizing buffer water tanks, with a significant cost saving and reduction in footprint
  • 较低的声音水平：在部分负载条件下，尤其是在夜间，使用可变速度解决方案的冷水机比在跑步和启动期间都比传统的开关压缩机系统具有较低的声音水平
  • 较短的付款期：使用这种创新技术的付款期对于最终客户也可能只有2年
  • 降低环境影响：R410A制冷剂对环境的影响减少

对客户最重要的好处

  • Energy savings
  • Reduced installation costs

突出的产品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.

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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.

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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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