| 基于状态空间平均法的DC/DC高频隔离变换器建模仿真分析 |
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| 引用本文： | 王小方.基于状态空间平均法的DC/DC高频隔离变换器建模仿真分析[J].机车电传动,2011(1):10-13. |
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| 作者姓名： | 王小方 |
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| 作者单位： | 中南大学,信息科学与工程学院,湖南,长沙,410083 |
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| 摘 要： | 利用状态空间平均法埘70kW无源缓冲型软开关DC/DC变换器进行建模仿真分析,以获得优良的稳态、瞬态、动态等特性.首先,考虑变压器漏感以及输出滤波电感、电容等效短路电阻,建立变换器等效电路;然后,分析一个周期内关键部件电压、电流理想波形,绘出不同状态下等效电路;其次,描述状态变量方程式,进行平均和线性化处理,获得其在连...
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| 关 键 词： | DC/DC高频隔离变换器 状态空间平均法 建模 闭环控制 |
Modeling and Simulation Analysis of DC/DC High Frequency Isolated Converter Based on Average State Space Method |
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| WANG Xiao-fang.Modeling and Simulation Analysis of DC/DC High Frequency Isolated Converter Based on Average State Space Method[J].Electric Drive For Locomotive,2011(1):10-13. |
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| Authors: | WANG Xiao-fang |
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| Affiliation: | WANG Xiao-fang(School of Information Science and Engineering,Central South University,Changsha,Hunan 410083,China) |
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| Abstract: | For obtaining steady state,transient and dynamic characteristics,average state space method was proposed to the modeling and simulation analysis in DC/DC high frequency converter of 70 kW passive buffer type soft-switching isolated converter.Firstly,the converter equivalent circuit was established on the condition of considering the transformer leakage inductance,output filter inductor and capacitor equivalent circuit resistance.Secondly,analyzed the key voltage,current ideal waves in a cycle,and drew the e... |
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| Keywords: | DC/DC high frequency isolated converter average state space method modeling closed-loop control |
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