常规与变频驱动桥式起重机控制系统的比较

Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435) Pub Date : 2000-08-15 DOI:10.1109/IPEMC.2000.884639

D. Hartanto, G. Vaupel, W. Gansel, G. Fischer

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引用次数: 5

摘要

桥式起重机作为一种基本的物料搬运设备，在许多行业中得到了广泛的应用。例如，大型钢厂通常在一个站点上运行数百个OHSC。今天，各种不同的驱动技术的桥式起重机的应用是可用的。但是，由于成本原因，现代驱动概念并没有得到广泛的实际应用。本文分析了传统接触器控制的额定负载为10公吨的OHBC的电气和操作行为。将这种简单的常规控制行为与改造变频器驱动系统后的起重机性能进行了比较。本文详细介绍了齿轮箱和电机轴的机械应力、供电网的峰值电流浪涌、功耗、运行性能和可靠性等方面的情况。因此，本文为现代交流传动系统的评价提供了一个基础，远离了只考虑初始投资的观点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Comparison of conventional and frequency converter-driven overhead bridge crane control systems

Overhead bridge cranes (OHBC) as basic material handling devices are in use in many industries. Larger steel mills for instance typically operate several hundred OHSC on one single site. Today a variety of different drive technologies for bridge crane applications are available. But, modern drive concepts do not find widespread practical use predominantly due to cost reasons. The paper provides an analysis of the electrical and operational behavior of a conventional contactor controlled OHBC rated for a load of 10 metric tons. The behavior of this simple conventional control is compared with performance of the crane after a frequency converter drive system was retrofitted. This paper details aspects like mechanical stress on the gearbox and motor shaft, peak current surges in the supply grid, power consumption, operational performance and reliability. The paper thus provides a basis for an evaluation of modern AC drive systems away from a point of view that considers only the initial investment.

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Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435)

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