25 kHz感应加热变换器用非晶铁心变压器

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting Pub Date : 1990-10-07 DOI:10.1109/IAS.1990.152466

S. Lupi, M. F. Nunes

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引用次数: 0

摘要

介绍了一种25khz、600kva工业用煎饼线圈发电机组的设计与结构。给出了确定变压器额定功率的标准，并与晶粒取向硅钢变压器进行了比较。结果表明，与晶粒取向硅钢铁芯相比，在该频率范围内使用非晶合金的主要优点是，在相同的输出功率下，单位的首次和总成本较低，效率值较高，并且减轻了变压器的重量。

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Amorphous core transformers for induction heating converters at 25 kHz

The design and construction of an industrial 25 kHz, 600 kVA power unit with pancake coils are discussed. Criteria for specifying the rated power of the transformer and a comparison with grain-oriented Si-steel transformers are presented. It is shown that the main advantages of using amorphous alloys in this frequency range, in comparison with grain oriented Si-steel cores, are lower first and total costs of the unit for the same output power, higher efficiency values, and reduction of the weight of the transformer.<>

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Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting

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