【摘要】：EAST極向場(chǎng)電源是由晶閘管相控整流電路組成的大功率變流器,其同步信號(hào)的取用至關(guān)重要。為提高控制精度,采用EAST極向場(chǎng)電源系統(tǒng)中整流變壓器的次級(jí)電壓信號(hào)作為同步信號(hào)。由于該同步信號(hào)中包含大量的諧波及噪聲,所以需要對(duì)其進(jìn)行濾波。通過(guò)分析同步信號(hào)的特點(diǎn),提出了濾波器設(shè)計(jì)要求,比較不同濾波器特點(diǎn)后,選用狀態(tài)變量濾波器進(jìn)行濾波,并對(duì)狀態(tài)變量濾波器的設(shè)計(jì)進(jìn)行了詳細(xì)的理論分析和參數(shù)計(jì)算。最后通過(guò)RT-LAB實(shí)時(shí)仿真測(cè)試和實(shí)驗(yàn)證明,該濾波器具有理想的濾波效果,可以實(shí)現(xiàn)同步信號(hào)的精確提取。
[Abstract]:EAST poloidal field power supply is a high power converter composed of thyristor phase controlled rectifier circuit. In order to improve the control accuracy, the secondary voltage signal of rectifier transformer in EAST poloidal field power supply system is used as synchronization signal. Because the synchronous signal contains a lot of harmonics and noises, it is necessary to filter it. By analyzing the characteristics of synchronous signal, the filter design requirements are put forward. After comparing the characteristics of different filters, the state variable filter is selected to filter, and the design of the state variable filter is analyzed in detail and the parameters are calculated. Finally, through the RT-LAB real-time simulation test and experiment, it is proved that the filter has ideal filtering effect and can realize accurate extraction of synchronous signal.
【作者單位】： 中國(guó)科學(xué)院等離子體物理研究所;中國(guó)科學(xué)技術(shù)大學(xué)研究生院科學(xué)島分院;
【分類號(hào)】：TN713

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