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首页> 外文会议>Iranian Conference on Electrical Engineering >High Impedance Fault Detection in DC Microgrid using Real and Imaginary Components of Power
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High Impedance Fault Detection in DC Microgrid using Real and Imaginary Components of Power

机译：使用功率的实部和虚部在直流微电网中进行高阻抗故障检测

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With the advancement of power electronics technologies, DC microgrids have emerged as a viable alternative to AC microgrids thanks to their higher reliability and power quality. The most important issues that limit the use of DC microgrids are related to the protection of these grids. Despite many studies on this subject, there are still major challenges in this area including the reliable detection of high impedance faults in DC microgrids. This paper presents a new method of high impedance fault detection in DC microgrids based on real and imaginary components of power. The proposed method is implemented using PSCAD software and Python programming language. The results demonstrate that the proposed method can detect high impedance faults without malfunctioning and issuing incorrect tripping commands during common events such as motor starting or load switching.
机译：随着电力电子技术的进步，直流微电网已经成为交流微电网的可行替代品，这是由于它们具有更高的可靠性和电能质量。限制使用直流微电网的最重要问题与这些电网的保护有关。尽管对此问题进行了许多研究，但在这一领域仍然存在重大挑战，包括可靠检测直流微电网中的高阻抗故障。本文提出了一种基于功率实部和虚部的直流微电网高阻抗故障检测的新方法。所提出的方法是使用PSCAD软件和Python编程语言实现的。结果表明，所提出的方法可以在电动机启动或负载切换等常见事件中检测高阻抗故障，而不会出现故障和发出错误的跳闸命令。

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