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本文通过对变频技术的解析、广州地铁2号线变频器的应用实例,重点论述了变频控制技术节能的原理以及其在地铁环控系统的应用现状及潜力。变频调速技术由于具有良好的驱动性能先进的自动控制功能及节能节电显著等优点,在地铁环控系统风机、水泵等控制系统中越来越多的被应用。
In this paper, through the analysis of frequency conversion technology, Guangzhou Metro Line 2 inverter application examples, focusing on the principle of energy-saving inverter control technology and its application status and potential of the Metro loop control system. Because of its good driving performance, advanced automatic control function and significant energy-saving and power-saving advantages, frequency control technology has been applied more and more in the control systems of fans, pumps and other environmental control systems of the subway.