Regarding Jim Stewart's article entitled "Wind Your Own Transformer and Build a DC-DC Converter" in the March '09 issue. I started designing DC-to-DC converters in 1972 and I've read lots of technical documentation on transformers including the 1943 MIT Press edition by that name. I wish that I could have seen an article like Mr. Stewart's when I started. It is very well written, lucid, and logical without over-stressing the technological issues; particularly the non-linearity of magnetic circuits. I think that it beautifully accomplished the intended purpose - that of encouraging a beginner to try winding his/her own high frequency power transformer.
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机译：关于吉姆·斯图尔特（Jim Stewart）在09年3月号上发表的文章“为自己的变压器上风，并构建DC-DC转换器”。我从1972年开始设计DC-DC转换器，并且阅读了很多有关变压器的技术文档，包括该名称的1943 MIT Press版本。我希望当我开始时能看到一篇类似斯图尔特先生的文章。它写得很好，清晰明了且合乎逻辑，并且不会过分强调技术问题。特别是磁路的非线性。我认为它很好地达到了预期的目的-鼓励初学者尝试绕组自己的高频电力变压器。
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