以太网供电技术的研究与应用-电力信息网 供电的能力。PoE 系统主要包括供电设备( Power SourceEquipment, PSE) 和用电设备(Powered Device, PD)两部分, 两者基于IEEE2802.3af 标准确定有关用电设备PD 的连接情况、设备类型、功耗级别
基于4个网页-相关网页
高功率因数、高效率、低噪音是电源装置和用电设备普遍追求的品质。
High power factor, high efficiency, low noise, is the character that power supply and electronic equipment pursuing.
随着电网容量和用电设备的增加，用户对供电质量的要求也越来越高。
With the increasing of power capacity and the electric equipment, the customer has asked more about power quality.
对电线和用电设备进行定期检查和即时维护能够将发生火灾的可能性降到最低。
Regular inspection and prompt maintenance of electrical cords and equipment can minimize the potential for fire.
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