变频调速技术在电力系统中的应用综合分析

Comprehensive Analysis of the Application of Variable Frequency Speed Regulation Technology in Power System

文章通过分析变频调速技术的优势和在各个方面的应用,以及对其未来发展趋势的展望,对电力系统今后的发展提供一定的参考。电力行业的发展,越来越多的发电站建立起来,在此背景下,交流调速技术也应运而生,解决了许多以往直流调速无法解决的问题。变频调速技术自诞生以来就在诸多领域得到了广泛的应用。而且随着技术的不断完善和成熟,在节约电能方面取得了良好效果。从电力半导体、控制技术和主电路拓扑结构等方面综述了变频调速技术的发展历史和现状,并总结了在变频控制中的主要控制技术;分析了高压变频调速技术的发展动态和几种实现方案的技术特点对比情况;指出变频调速技术在未来的发展趋势。最后介绍了变频调速技术在电力系统中节能降耗、改善工艺和控制性能等方面的应用。

By analyzing the advantages and applications of variable frequency speed regulation technology, as well as the prospect of its future development trend, this paper provides some reference for the future development of power system. With the development of electric power industry, more and more power stations have been built up. In this context, AC speed regulation technology has emerged, which solves many problems that DC speed regulation cannot solve in the past. Since its birth, frequency control technology has been widely used in many fields. Moreover, with the continuous improvement and maturity of technology, good results have been achieved in saving electric energy. This paper summarizes the development history and current situation of frequency control technology from the aspects of power semiconductor, control technology and main circuit topology, summarizes the main control technology in frequency control, analyzes the development trend of high-voltage frequency control technology and the comparison of technical features of several implementation schemes, and points out the development trend of frequency control technology in the future. Finally, the application of frequency control technology in energy saving and consumption reduction, process improvement and control performance in power system is introduced.