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参阅《电焊机》杂志1981年第三期“轻便弧焊变压器的计算方法探讨”一文便知三芯柱抽头式弧焊变压器韵原理。原线圈W_1Ⅰ,W_1Ⅱ及W_1Ⅲ与部分副线圈W_2Ⅱ之间的漏抗计算如下式(与第三期上公式(12)相同):
See “Welding Machine” magazine in 1981 third issue “portable arc welding transformer calculation method” a text that three-core tapped arc welding transformer rhyme principle. The leakage reactance between the primary windings W_1Ⅰ, W_1Ⅱ and W_1Ⅲ and some of the auxiliary windings W_2Ⅱ is calculated as follows (same as formula (12) in the third period):