摘要
电梯运行的往复升降和反复起制动分别导致系统位能以及动能的释放．以位能变化的平均值加上减速制动过程．曳引电动机有超过50％的运转时间工作于超同步转速状态。如何科学、有效地利用系统所释放的制动能量？本文就当今电梯驱动领域中应用最广的变频器-电动机驱动系统为例讨论几种优化节能方案。
The repeated ascending/descending and starting/braking of elevator respectively result in the release of its potential and kinetic energy. Considering the average potential energy variation duration as well as the decelerating/ braking process, during more than 50% of the operation time the traction motor is in the over synchronous rotary speed status. How to make full use of the energy released by the system scientifically and efficiently brings about this article which introduces several optimized energy saving schemes which are mainly based on the most widely used frequency converter-motor drive svstem in the field of todav＇s elevator drive technoloav.
出处
《中国电梯》
2006年第23期12-15,共4页
China Elevator
关键词
有源逆变
能量回馈
直接互补
节能方案
Active Energy Retrieval Invert
Energy Feedback
Direct Complementary
Scheme of Energy Saving
