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电梯在高层建筑物内是上下运送人员和货物的一种安全与迅速的交通工具。随着我国四个现代化建设的飞跃发展,高层建筑有如雨后春笋一般蓬勃兴建。其中大多数是十至廿层的高楼,用于公寓饭店,这些公寓饭店安装交流电梯最为适合,因交流电梯比直流电梯造价低廉、使用维护方便。特别是安装速度为1.5米/秒至2米/秒的交流快速电梯比一般1米/秒的交械电梯提高了运载效率。今年初,一机部上海电器科学研究所和常州第二电机厂
Elevators are a safe and rapid means of transporting people and goods up and down in high-rise buildings. With the rapid development of China’s four modernization constructions, high-rise buildings are booming like bamboo shoots. Most of them are ten to ten stories of high-rises, which are used in apartment hotels. These apartments are most suitable for installing AC elevators because AC elevators are cheaper than DC elevators and are easy to use and maintain. In particular, AC fast elevators with an installation speed of 1.5 m/s to 2 m/s have improved the carrying efficiency compared to the general 1 m/s. Earlier this year, a department of Shanghai Electric Apparatus Research Institute and Changzhou Second Motor Factory