备用电源
能量存储系统可在电源能量短缺的情况下提供备用电源。在掉电期间，由储能系统维持用户设备运行。
直流母线电压一直保持不变，以确保不会发生过电压和欠电压。同时通过与市电的固定连接不断地给电池充电，因此即使短暂的电压突降，电池可正常使用。
峰值
在工业电网中，可将存储的能量用作冗余电源。这也意味着用户可以在额定负载下运行电机，并使用电池供电来满足峰值需求。这样做的好处是，设备在满负载下运行发电机比在部分负载下运行更有效率。因此，您可以减小发电机的尺寸，并获得高的投入产出比。
降低成本和设计时间
丹佛斯的工业直流备用电源系统提供备用冗余电源，能够确保应用程序的大正常运行时间，避免因供电不足造成原材料浪费现象的产生。
同时，电池存储可以为峰值负载供电，从而可以减少发电机的尺寸，降低企业支出成本。更重要的一点是，系统可以通过直接向临界逆变器设备部分供电而不是为整个系统供电，达到节约能源的效果。
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