main_component_of_transformer

1.Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.
根据弧焊变压器磁滞回线的测试结果，对弧焊变压器的稳态谐波电流进行计算，结果表明弧焊变压器空载谐波电流的主要成分为三次谐波。
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