制冷

  • 在制冷系统的生命周期中,最主要的成本因素就是其能耗成本。在许多制冷设备中,季节变化、系统负荷及占用率的变化,以及电气设备造成的功率损耗,都会造成系统热超载。现代化行业专用型变频器非常适合根据实际热负荷和工艺需求不断调节设备容量,其优点是:大幅降低能耗,节约大笔运行和维护成本。

    智能型压缩机和冷凝器/蒸发器风扇控制是所有优化制冷系统的必备条件。使用 Danfoss 变频器优化制冷压缩机、冷凝器和蒸发器的容量控制一般可以节省10–25%的能耗。通过将容量与实际负载相平衡来保持稳定性,将有效提升整个系统的性能系数(COP),从而实现显著的节能效果。

    多泵控制能源与成本节约并重

    多泵配置可切实优化系统设备与变频器在部分负荷状态下的相互配合。基本负载由变频器控制的某一设备(如压缩机)处理。如果热负荷增加,变频器将逐次启动备用压缩机。从而使设备始终工作在最佳效率点,并使电动机保持最高能效运行。

    规划周密的多泵控制亦可实现最小的设备磨损。例如,设备维护经理通过轮动各台压缩机,即可确保每台压缩机的运行时间和磨损度相一致。这将切实延长应用的生命周期和维修周期,降低生命周期成本。

    Danfoss高级多区机组控制器可有效串联和控制六套压缩机组,从而将能耗降至最低,防止压缩机组过度频繁通断,稳定压力和温度,减少压缩机磨损。多泵控制器在所有泵之间均匀分配运行时间,最大限度地降低了各台泵的磨损。 

    快速调试

    Danfoss制冷专用变频器的显示面板使用常见的制冷术语,不使用计算机语言,因而调试更加简易快捷。应用向导可指导用户完成必需的设置。简便易用的设置给安装和维护技术人员带来更加轻松和自信的应用体验,简化并加快了他们的工作进程,并可减少人工失误,提高工作效率。

    应用

    制冷行业分为几种不同的子行业: 商业、工业和运输业制冷和冷链。每个子行业都使用需要精确可靠控制的设备。这些设备包括:机架和组合件、冷却装置、冷凝器、蒸发器/空气处理设备和泵。

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