通过使用故障恢复的中压交流驱动器增加长带式输送机的可用性

A. Rocha, G. J. Franca, Manoel E. dos Santos, H. Paula, B. Filho
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引用次数: 6

摘要

带式输送机是将矿石和重载荷从矿山运输到目的地的一种高效、经济的运输方式,它服务于重要的工艺单位,其成功与否取决于其连续运行。为了满足重要的操作要求,现代高容量输送机系统配备了中压变速感应电动机驱动。这种传动装置的可靠性和工作连续性对整个输送机的可用性起着至关重要的作用。这项工作提出了一种通过使用故障弹性中压交流驱动器来显着提高输送系统可用性的方法。根据最近的研究和作者的经验,本文显示了驱动输送机停机时间如何在内部短路后显着减少,将总体维修成本降至最低,并避免可能达到数百万美元的经济损失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Increasing long belt-conveyors availability by using fault-resilient medium voltage AC drives
Belt conveyors constitute an efficient and economical way for minerals and heavy load transportation from mines to their destination, they serve vital process units whose success depends on continuous operation. To meet important operational requirements, modern high capacity conveyor systems are equipped with medium voltage variable-speed induction motor drives. The reliability and service continuity of such drives play a critical role for the entire conveyors availability. This work proposes a way to significantly improve the availability of the conveyor systems by using fault-resilient medium voltage AC drives. Based on recent studies and authors experience, it is shown in this paper how the drive conveyor downtime can be dramatically reduced after an internal short-circuit, keeping the overall cost-to-repair to a minimum and avoiding financial losses that can reach several million dollars.
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