摘要
电压闪变是电能质量的重要问题之一,电压闪变严重影响用电设备的正常运行。长期以来学者对闪变的研究多是对闪变信号进行检测,以求得闪变参数。与此同时,对闪变源的定位研究却很少,这使得解决电压闪变问题缺少针对性的措施。通过分析,认为是负荷参数的波动导致了电压闪变。接着,提出了供电系统中的闪变源定位算法。算例计算表明:该算法可以快速有效地定位出供电系统中的闪变源,从而可以找出闪变的责任者,为解决电压闪变问题提供有益的参考。
The flicker is one of the important aspects of the power quality, it can affect the operation of load. For a long time, the most research on flicker is how to measure the flicker signal and get the flicker parameters. At the same time, the research on mechanism and identification of flicker load is very little. So it is difficult to resolve the flicker. This paper considers the fluctuation of the load parameters deduce the flicker of voltage. Then an arithmetic used to identify the flicker load is presented in this paper. The example shows this arithmetic can identify the flicker source of the power system fleetly and effectively, accordingly confirm the responsibility of voltage flicker.
出处
《电力系统保护与控制》
EI
CSCD
北大核心
2009年第4期62-65,共4页
Power System Protection and Control
基金
江苏省教育厅自然科学基金(06KJB470091)
南通大学自然科学基金资助项目(08Z029)
关键词
电能质量
闪变
闪变源
戴维南等效
负荷
power quality
flicker
flicker source
thevenin equivalen
load
