带积分引线控制器的闭环压模控制PWM反激dc-dc变换器

Proceedings of the IEEE 1995 National Aerospace and Electronics Conference. NAECON 1995 Pub Date : 1995-05-22 DOI:10.1109/NAECON.1995.521913

M. Kazimierczuk, S. T. Nguyen

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引用次数: 6

摘要

本文分析了一种采用积分引线控制器的压模控制脉宽调制(PWM)闭环反激dc-dc变换器的连续导通模式。设计了一个完整引线控制器，使其完全符合系统规格。分析了系统的闭环动态性能。波德图说明了闭环控制到输出传递函数、输入到输出传递函数、输入阻抗和输出阻抗。系统稳定性评估的结果是，在2.5 kHz交叉频率下的相位裕度为45/spl度/，在0.45占空比下，在5 kHz频率下的增益裕度为6 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Closed-loop voltage-mode-controlled PWM flyback dc-dc converter for CCM with integral-lead controller

This paper presents an analysis of a closed-loop voltage-mode-controlled pulse-width-modulated (PWM) flyback dc-dc converter for continuous conduction mode with an integral-lead controller. An integral-lead controller is designed so that it completely meets the system specifications. The closed-loop dynamic performance of the system is analyzed. The Bode plots are illustrated for closed-loop control-to-output transfer function, input-to-output transfer function, input impedance, and output impedance. Tile system stability is evaluated with the results of 45/spl deg/ for the phase margin at the crossover frequency of 2.5 kHz, and 6 dB for the gain margin at a frequency of 5 kHz at a duty cycle of 0.45.

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Proceedings of the IEEE 1995 National Aerospace and Electronics Conference. NAECON 1995

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