A new method for reducing core loss and excitation current in transformers that utilizes the fundamental principles of third-harmonic flux modulation is proposed in this paper.

本文对变压器节能提出了一个崭新的观点，即通过三次谐波磁场调制机理来降低变压器的铁耗和励磁电流。

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The study shows that the third-harmonic flux with a certain value added to the fundamental flux can obviously reduce both core loss and excitation current.

文中认为当在变压器基波磁通中加入某一幅值的三次谐波磁通后，能显著地降低铁耗和励磁电流。

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Whole three-phase core is made of three curved silicon steel belt material through rolling, without clearance and seam. The tank has features of low loss, low exciting current, low noise and others.

整个三相铁芯由三条曲线硅钢带料卷制而成，中间无气隙及接缝，油箱采用低损耗、低激磁电流、低噪声等特点。

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