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新型有源箝位软开关PWM控制器UCC289X的原理及应用
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作者 余莉 王志强 《电源技术应用》 2005年第2期41-44,62,共5页
介绍了电流控制型芯片UCC289X的基本原理,设计出了基于该芯片的同步整流有源箝位正激变换器的实用电路。实验结果证明,该芯片具有较好的控制特性和稳定性。
关键词 有源箝位软开关 PWM控制器 UCC289X 工作原理 电流控制型芯片
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A NOVEL AERONAUTICAL STATIC INVERTER WITH HIGH FREQUENCY PULSE DC LINK
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作者 陈道炼 刘志政 +1 位作者 严仰光 胡育文 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 1999年第1期48-54,共7页
A new combined soft switching technique and a novel topology of aeronautical static inverter with high frequency pulse dc link are proposed in this paper, namely an electrical isolated converter can realize soft swi... A new combined soft switching technique and a novel topology of aeronautical static inverter with high frequency pulse dc link are proposed in this paper, namely an electrical isolated converter can realize soft switching of two stage cascade converters. It lays technical foundation for high power density, high efficiency and low cost aeronautical static inverter. The operation and design approach of this topology are carefully analyzed and studied. The validity of this topology is verified by simulation and test. 展开更多
关键词 INVERTERS high frequency links active clamp circuits combined soft switching techniques three state discrete pulse modulation
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