节能变压器
变压器类型
变压器
配电变压器
三角星形变压器
电气工程
电子工程
波形
反激变压器
电流互感器
工程类
隔离变压器
电压
开关电源
作者
W.G. Hurley,W. H. Wölfle,John G. Breslin
出处
期刊:IEEE Transactions on Power Electronics
[Institute of Electrical and Electronics Engineers]
日期:1998-07-01
卷期号:13 (4): 651-659
被引量:253
摘要
Switching circuits, operating at high frequencies, have led to considerable reductions in the size of magnetic components and power supplies. Nonsinusoidal voltage and current waveforms and high-frequency skin and proximity effects contribute to power transformer losses. Traditionally, power transformer design has been based on sinusoidal voltage and current waveforms operating at low frequencies. The physical and electrical properties of the transformer form the basis of a new design methodology while taking full account of the current and voltage waveforms and high-frequency effects. Core selection is based on the optimum throughput of energy with minimum losses. The optimum core is found directly from the following transformer specifications: frequency; power output; and temperature rise. The design methodology is illustrated with a detailed design of a push-pull power converter.
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