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一种非隔离型交错高增益Boost变换器 被引量:1

A Non-Isolated Interleaved High Gain Boost Converter
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摘要 提出了一种高增益Boost变换器电路拓扑,与传统Boost变换器相比,电路工作在占空比D>0.5时实现了3倍的电压增益,均衡了有源开关管电压应力,并使其降低至输出电压的1/3。首先推演了构造两路复合支路高增益三端网络的变换器拓扑;然后分析电路全周期工作原理及电路特性;最后通过搭建1台140 W的试验样机验证了理论的正确性。 A high gain boost converter circuit topology was proposed.When the circuit operated at duty cycle D>0.5,the voltage gain was three times that of conventional boost converter.The voltage stress of active switch was equalized and reduced to 1/3 of the output voltage.The converter topology of two-channel compound branch of high gain three-terminal network was deduced.The principle and characteristics of the circuit were analyzed.Finally,a 140 W experimental prototype was built to verify the correctness of the theoretical study.
作者 管春 娄哲理 龙江航 王俊杰 GUAN Chun;LOU Zheli;LONG Jianghang;WANG Junjie(College of Optoelectronic Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China)
出处 《电机与控制应用》 2019年第7期105-110,共6页 Electric machines & control application
基金 国家自然科学基金项目(61671091,61604028)
关键词 BOOST变换器 高增益 交错控制 电压应力 boost converter high gain interleaving control voltage stress
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