对单相、三相卷铁心配电变压器的铁心质量进行了分析和计算，并给出了实例。
The core mass of single-phase and three-phase distribution transformers with wound core is analyzed and calculated. The examples are given.
对称三角形结构的圆截面卷铁芯三相输配电变压器，是近几年才开发出来的新型节能配电变压器，它的卷铁芯设计与制造技术需要进一步的研究开发和完善。
The "Research of key technology of the new type economy transformer with triangle configuration round section Roll-core" is an important project of shanghai science and technology committee.
对称三角形结构的圆截面卷铁芯三相输配电变压器，是近几年才开发出来的新型节能配电变压器，它的卷铁芯设计与制造技术需要进一步的研究开发和完善。
The "Research of key technology of the new type economy transformer with triangle configuration round section Roll-core" is an important project of shanghai science and technology committee.
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