... quadrangle report 图例表 Power Quadrangle 功率四边形 Quadrangle Courtyard 四合院 ...
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Because of the influence of harmonic, traditional power triangle can’t be applied in variable frequency speed regulation system, this text proof the accuracy of the power quadrangle.
由于谐波的影响，传统的功率三角形已经不能适用于变频调速系统，本文证明了功率四边形的正确性。
参考来源 - 变频调速系统特性参数的分析与预测·2,447,543篇论文数据，部分数据来源于NoteExpress
文章以功率四边形方法为基础，给出了谐波功率测量仪的设计原理。
This paper gives the principle of a kind of distortion power meter on the basis of the analysis of the power quadrangle.
由功率四边形进一步确立了非正弦交流电路中的电流四边形和导纳四边形，以及它们和功率四边形的相似关系。
Further, the current quadrilateral and admittance quadrilateral, as well as their similarity to the power quadrilateral in non-sinusoidal alternating-current circuits were derived.
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