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A new method islanding detection of distributed generation systems via wavelet transform-based approaches

机译:基于小波变换的分布式发电系统孤岛检测新方法

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This paper presents a new method for islanding detection in distributed generations. In the proposed method, the current transient signal at the utility side of the circuit breaker is processed using wavelet transform. Also the maximum value of wavelet transform distinguishes islanding conditions from non-islanding ones. This technique is very effective in the islanding detection at different target Distributed Generation (DG) locations in the distribution network including multiple distributed generations. Because of utilizing transient signal in detecting the islanding condition, the proposed idea has not needed to inverter control system response.
机译:本文提出了一种用于分布式发电中孤岛检测的新方法。在所提出的方法中,使用小波变换处理断路器的实用侧的电流瞬态信号。小波变换的最大值还将孤岛条件与非孤岛条件区分开。该技术在包括多个分布式发电站的分布式网络中不同目标分布式发电站(DG)位置的孤岛检测中非常有效。由于利用瞬态信号来检测孤岛状况,因此提出的思想不需要变频器控制系统的响应。

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