SPWM调制技术在静止无功发生器中的应用  

Application of SPWM modulation technology to SVG

作　　者：高绪明[1] 陈新苗[1] 梁雄[1] 吴皓[1] 

机构地区：[1]广西大学电气工程学院,广西南宁530004

出　　处：《黑龙江电力》2007年第5期332-335,339,共5页Heilongjiang Electric Power

摘　　要：重点介绍静止无功发生器SVG的逆变器控制信号的实现方法。控制对象是六组由IGBT单管及与其反并联连接的二极管构成的三相桥式逆变电路。关键的控制信号SPWM的脉冲宽度采用中值规则采样法来求取。利用数字信号处理器TMS320LF2407DSP用纯软件的方法来产生SPWM波形,该方法具有控制精度高和实时性好等特点。The paper discussed mainly the implementing method of control signal of SVG s inverter.The control object is three-phase bridge inverted circuit consisting of six groups of IGBT and diode in reversed parallel connection to them,the pulse width of the key control signal SPWM is acquired by sampling with median rule,and using software produces the SPWM waveform with digital signal processor TMS320LF2407DSP,which has many advantages,high controlling precision and better real time performance.

关 键 词：静止无功发生器 正弦脉宽调制 数字信号处理器 中值规则采样法 

分 类 号：TM761[电气工程—电力系统及自动化]