论文部分内容阅读
我国原城乡建设环境保护部《建筑电气设计技术规程》(JGJ16-83)第15·7·4条规定,“消防用电设备的两个电源,应在最末一级配电箱处自动切换。”参见图(a)。这对我国消防工作起了积极的作用,为国家减少了不应有的损失,也为设计人员提供了有力的设计依据。但是,随着我国工业生产的发展和科学技术水平的提高,特别是铜芯铜套氧化镁绝缘电缆的诞生,对消防设备的
In accordance with Article 15.7.4 of the “Technical Specification for Building Electrical Design” of the Ministry of Environmental Protection of the Ministry of Urban and Rural Construction of the People’s Republic of China (JGJ16-83), "The two power sources for fire-fighting electrical equipment shall be automatically switched at the last level of distribution box. See figure (a). This has played an active role in China’s firefighting work, reduced undue losses for the country, and provided designers with a strong design basis. However, with the development of China’s industrial production and the improvement of science and technology, especially the birth of copper-core copper-clad magnesium oxide insulated cables, the