Analytical Fourier approximation of voltage space-vectors in three-level space-vector modulated voltage source inverters

被引:0
|
作者
Klima, Jiri [1 ]
机构
[1] Tech Fac CZU Prague, Dept Elect Engn & Automat, Prague, Czech Republic
关键词
voltage source inverter; modelling; modulation;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper proposes an analytical model for calculating of the harmonic spectra of a three-level voltage source inverter (VSI) with space-vector PWM (SVPWM). A three-level inverter has a large number of switching states compared to a two-level inverter and, therefore the SVPWM algorithm is more complex. The proposed model is based on the Laplace transform of the voltage space vectors in the complex alpha-beta plane. From the analytical relations we can visualize the derived Fourier series both in the complex plane and/or in the real phases by means of the programme MATCAD.
引用
收藏
页码:153 / 159
页数:7
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