基于耦合原理的新型消弧系统的研究

为进一步提高电网的安全性和供电质量,使小电流接地系统单相弧光接地问题得到很好的解决,实现配电网电容电流的智能化补偿,本文以电容电流的测量为切入点,介绍一种新的电容电流测量方法即谐振测量法,并从消弧装置的构成角度讨论新型消弧系统的设计问题。利用PSCAD/EMTDC仿真软件对10kV电压等级的变耦式自动跟踪消弧补偿系统进行了建模和仿真。实验结果表明,电容电流测量方法的有效性,且系统能对单相接地故障进行智能识别,并能快速、可靠地实现单相接地时电容电流的完全补偿。

Research of the Novel Arc-Suppression System Based on Coupling Principle

For searching a good solution to solve the single-phase arc grounding problem of small current grounding system,further enhance the security and power quality of power grids,and achieve capacitive current intelligent compensation of distribution network,So this paper take the measurement of capacitive current as the breakthrough point,a novel method---resonance measurement for the cpacitance current is preasented,and from the point of structure of arc-suppression device to discussed the designtion of novel ...