推挽式开关变换器在电流编程模式下的静态特性和动态响应分析

1981 IEEE Power Electronics Specialists Conference Pub Date : 1981-06-01 DOI:10.1109/PESC.1981.7083622

?. E. Andersen, C. W. Boettcher, ?. H. Hamilton, D. D. Retotar, R. E. Schroeder

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引用次数: 6

摘要

将“电流编程”开关变换器的控制理论推广到具有变压器隔离的推挽电路。推导了包括变压器磁化电流和晶体管关断延迟影响的小信号和大信号模型。该模型用于预测工作频率为18 kHz的2.5kW稳压变换器的稳定性和性能。对分析特性和实测特性进行了比较。

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Analysis of the static characteristics and dynamic response of push-pull switching converters operating in the current programmed mode

The control theory of "Current-Programmed" switching converters is extended to push-pull circuits with transformer isolation. Both small signal and large signal models that include the effects of transformer magnetizing current and transistor turn-off delays are derived. The models are used to predict the stability and performance of an experimental, voltage regulated, 2.5kW converter operating at 18 kHz. Analytical and measured characteristics are compared.

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1981 IEEE Power Electronics Specialists Conference

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