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1. 发明公开

EP2290805A1 A SPACE VECTOR BASED SYNCHRONOUS MODULATING METHOD AND SYSTEM 有权
标题翻译： AUF EINEM RAUMVEKTOR基础同步调制系统
公开(公告)号：EP2290805A1
公开(公告)日：2011-03-02
申请号：EP09761249.3
申请日：2009-02-17
申请人： Zhuzhou CSR Times Electric Co., Ltd.
发明人： DING, Rongjun , LI, Jianghong , CHEN, Gaohua , XU, Wei , CHEN, Huaguo
IPC分类号： H02P21/00
CPC分类号： H02P27/12
摘要： A space vector based synchronous modulating method includes sampling a frequency f of a reference voltage vector; checking a relational table of frequencies and carrier wave ratios by the frequency f so as to obtain a carrier wave ratio N; obtaining a passing angle Δθ of the reference voltage vector by Δθ=2π/N; obtaining a modulating angle θm of the reference voltage vector by θm=(Nth-1)×Δθ, in which Nth indicates which time of sampling; obtaining a modulating ratio m according to a modulating ratio-frequency curve; accounting and synthesizing an output angle of three basic voltage vectors of the reference voltage vector according to the modulating angle θm and the passing angle Δθ of the reference voltage vector and the modulating ratio m; comparing a variable quantity θf of the reference voltage vector angle θ and the output angle of three basic voltage vectors, and outputting corresponding basic voltage vectors according to the comparing result; synthesizing an output voltage in accordance with the reference voltage vector by the basic voltage vectors.
摘要翻译：基于空间矢量的同步调制方法包括对参考电压矢量的频率f进行采样; 通过频率f检查频率和载波比的关系表，以获得载波比N; 通过“¸= 2 / N获得参考电压矢量的通过角”¸; 通过¸m=（Nth-1）×“¸获得参考电压矢量的调制角度¸m，其中Nth表示采样的时间; 根据调制比 - 频率曲线获得调制比m; 根据参考电压矢量和调制比m的调制角度¸m和通过角度¸计算和合成基准电压矢量的三个基本电压矢量的输出角; 将参考电压矢量角¸的可变量¸f与三个基本电压矢量的输出角进行比较，并根据比较结果输出相应的基本电压矢量; 根据基准电压矢量合成基准电压矢量的输出电压。

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