| 一种三相四桥臂逆变器的数学模型分析 |
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| 引用本文： | 董锋斌,皇金锋,傅周兴. 一种三相四桥臂逆变器的数学模型分析[J]. 电力自动化设备, 2011, 31(6): 98-101 |
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| 作者姓名： | 董锋斌 皇金锋 傅周兴 |
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| 作者单位： | 陕西理工学院 电气工程系，陕西 汉中 723003；;陕西理工学院 电气工程系，陕西 汉中 723003；;西安科技大学 电控学院，陕西 西安 710054 |
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| 基金项目： | 陕西省教育厅科研计划资助项目（2010JK468，09JK374） |
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| 摘 要： | 在分析三相四桥臂逆变器工作模态的基础上,引入开关状态函数建立了四桥臂逆变器系统离散的、非线性的数学模型.提出应用开关周期平均算子,将离散的系统化成连续的系统,并用小信号扰动法将非线性的系统化成线性系统,建立了从三相四桥臂逆变器控制输入到逆变器输出的传递函数数学模型.并应用PSIM软件对相同参数下元件电路开关模型和传递函...
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| 关 键 词： | 三相四桥臂 逆变器 数学模型 PSIM 仿真 |
Analysis of mathematical model for three-phase four-leg inverters |
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| DONG Fengbin,HUANG Jinfeng and FU Zhouxing. Analysis of mathematical model for three-phase four-leg inverters[J]. Electric Power Automation Equipment, 2011, 31(6): 98-101 |
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| Authors: | DONG Fengbin HUANG Jinfeng FU Zhouxing |
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| Affiliation: | DONG Fengbin1,HUANG Jinfeng1,FU Zhouxing2(1.Shaanxi University of Technology,Hanzhong 723003,China,2.Xi'an University of Science and Technology,Xi'an 710054,China) |
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| Abstract: | A discrete and nonlinear mathematical model of three-phase four-leg inverter is built up with the switch state functions based on the analysis of its working modes.The switching cycle average operator is proposed to transform discrete system into continuous one and the small signal perturbation method is applied to transform nonlinear system into linear one.The transfer function models are thus set up from its control input to its output.Simulative experiments of its frequency domain property are carried ou... |
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| Keywords: | three-phase four-leg electric inverters mathematical models PSIM computer simulation |
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