This article uses several harmonic restraining devices like passive filtering, active passive filtering and mixed-filtering in practice.
具体实现上采用了无源滤波器、有源滤波器以及混合型滤波器等谐波抑制装置。
参考来源 - 兴隆台区电网谐波抑制方法的研究While, due to modern advanced manufacture arts and material of transformer, the content of second-harmonic in inrush current decreases. Relay with Second-harmonic restraining technique may maloperate and delay the operate time.
这导致了二次谐波制动的继电器判断延时甚至误动作。
参考来源 - 小波变换在变压器差动保护中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
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