| 大功率级联变频器中多路SPWM发生器的实现 |
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| 引用本文： | 陈小勤,黄小红,李宗昉.大功率级联变频器中多路SPWM发生器的实现[J].电力电子技术,2011,45(9):111-113. |
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| 作者姓名： | 陈小勤 黄小红 李宗昉 |
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| 作者单位： | 西南交通大学峨眉校区,电气工程系,四川乐山614202 |
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| 摘 要： | 采用载波相移SPWM技术原理,设计了基于现场可编程门阵列(FPGA)的多路PWM脉冲发生器.该脉冲发生器应用于一个电压级联型变频器,可提供96路PWM脉冲输出,解决了级联变频器多路脉冲同步触发的问题.通过实验证明,FPGA输出的PWM脉冲送入级联变频器模块,输出的电压波形正弦度好,电平阶数符合设计,且修改参数简单,有效...
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| 关 键 词： | 脉冲发生器 变频器 载波相移 |
Implementation of Multi-SPWM Generators in Cascade High-power Frequency Inverter |
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| CHEN Xiao-qin,HUANG Xiao-hong,LI Zong-fang.Implementation of Multi-SPWM Generators in Cascade High-power Frequency Inverter[J].Power Electronics,2011,45(9):111-113. |
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| Authors: | CHEN Xiao-qin HUANG Xiao-hong LI Zong-fang |
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| Affiliation: | CHEN Xiao-qin,HUANG Xiao-hong,LI Zong-fang(Southwest JiaoTong University Em,Leshan 614202,China) |
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| Abstract: | This paper presents a novel method using carrier phase shifting technique principle of SPWM to design multi-PWM pulse generator based on field programmable gate array(FPGA).The pulse generator is used in a voltage cascaded frequency inverter,and it provides 96 PWM pulse output to solve the synchronization trigger problems of multi-pulse in cascade frequency inverter.The experiment shows,FPGA output PWM pulses into the cascade frequen-cy inverter module,sinusoidal output voltage waveform is good,and the orde... |
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| Keywords: | pulse generator inverter carrier phase shifting |
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