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目前全世界都存在能源短缺,而我国又是一个能源消耗大国,每年要从国外进口大量的石油和天然气等,我国人均资源和能源相对贫乏,不到世界人均水平的一半,而我国能源利用率又低,大约为30%。我国单位建筑面积能耗相当于发达国家的2～3倍,由此可见节能工作潜力很大。节能工作又关系到技术进步和缓解能需矛盾,是支持国民经济迅速发展的重要一环。这里在阐述电气节能设计应遵循的原则的基础上,从不同角度提出了建筑电气技术在节能上的合理应用。
At present, there are energy shortages in the world, and our country is also a large energy consumer. Every year, China imports a large amount of oil and natural gas. The per capita resources and energy resources in China are relatively scarce, less than half of the world average. However, China’s energy utilization rate Low, about 30%. Energy consumption per unit of building area in China is equivalent to 2 to 3 times that of developed countries, showing great potential for energy conservation. Energy conservation is also related to the contradiction between technological progress and energy needs, which is an important part of supporting the rapid development of the national economy. Based on the principle that electric energy-saving design should be followed here, the reasonable application of building electric technology in energy saving is put forward from different angles.