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A protection scheme for distribution utility grid with wind energy penetration
Computers & Electrical Engineering ( IF 4.3 ) Pub Date : 2021-07-20 , DOI: 10.1016/j.compeleceng.2021.107324
Om Prakash Mahela 1 , Vikram Singh Bhati 2 , Gulhasan Ahmad 2 , Baseem Khan 3 , P. Sanjeevikumar 4 , Akhil Ranjan Garg 5 , Rajendra Mahla 6
Affiliation  

The impact of fault circumstances on distribution grid parameters in the presence of wind power generation is explored in this research. A protection algorithm (PA) is also proposed for detecting faulty events by using the proposed wind fault index, which is computed by analysing current signals using the Wigner distribution function and the Stockwell transform (ST). The sort of fault is determined by the number of faulty phases found. The zero sequence currents introduced to identify the ground’s involvement in a fault event are analysed to calculate a wind ground fault index. Single phase to the ground, double phase to the ground, double phase, three-phases, and three phases to the ground faults are all investigated fault events. It has been determined that PA outperforms discrete Wavelet Transform and ST-based approaches in terms of fault estimation time and noise effect. The study was conducted on the IEEE-13 bus test feeder, which was connected to wind power plants (WPPs).



中文翻译:

一种风能渗透配电网保护方案

本研究探讨了风力发电存在时故障情况对配电网参数的影响。还提出了一种保护算法 (PA),通过使用所提出的风故障指数来检测故障事件,该指数是通过使用 Wigner 分布函数和斯托克韦尔变换 (ST) 分析电流信号来计算的。故障的种类由发现的故障相的数量决定。分析引入的零序电流以识别接地在故障事件中的参与,以计算风接地故障指数。单相接地、双相接地、双相、三相和三相接地故障都是调查的故障事件。已经确定 PA 在故障估计时间和噪声影响方面优于离散小波变换和基于 ST 的方法。该研究是在 IEEE-13 总线测试馈线上进行的,该馈线连接到风力发电厂 (WPP)。

更新日期:2021-07-21
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