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待机能耗是指电器在关机或不行使其主要功能时所消耗的电能。随着家用电器、视听产品的普及,自动化办公设备的广泛应用以及网络化的不断发展,越来越多的产品具有了待机功能(如遥控开关、网络唤醒、定时开关、智能开关等)。产品的待机功能极大地方便了我们的生活,但也浪费了大量的能源。中国节能产品认证中心(CECP)在大量调查后发现,我国城市家庭的平均待机能耗相当于这些家庭每天都在使用一盏15瓦到30瓦的长明灯。在西方,待机功耗被形象地比做“吸血虫”。
Standby power consumption is the electrical energy consumed when the appliance is shut down or not exercising its primary function. With the popularization of home appliances, audiovisual products, the widespread use of automated office equipment and the continuous development of networking, more and more products have standby functions (such as remote control switch, wake-up on network, timer switch, intelligent switch, etc.). The standby function of the product greatly facilitates our life, but also a lot of energy wasted. After extensive investigations, CECP found that the average standby energy consumption of urban households in China is equivalent to that every household uses one 15-watt-30-watt long-range light every day. In the West, standby power consumption is vividly compared to “blood-sucking insects.”