Attenuation of Noise using Booster Converters as Active Filters

F. Ekelund
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引用次数: 1

Abstract

Booster DC to DC converters operating with 20 kHz conversion frequency perform rapid regulation that make them very well suited to use as active filters for attenuation of low frequency noise. Booster converters with such filtering qualities are beeing used in a new series of 48 V DC power plants. The noise on the output is kept well below the limits that are specified in the CCITT-recommendations.
利用升压变换器作为有源滤波器的噪声衰减
以20 kHz转换频率工作的升压DC到DC转换器执行快速调节,使它们非常适合用作低频噪声衰减的有源滤波器。具有这种滤波品质的升压变流器正被用于新系列的48 V直流发电厂。输出上的噪声保持在ccitt建议中指定的限值以下。
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