BENTLY NEVADA PWA-40340-01J充磁電路
充磁電路有主電路和觸發(fā)電路。主電路主要由交流調(diào)壓升壓、整流儲(chǔ)能和放電等電路組成。通過(guò)調(diào)節(jié)雙向可控硅vt1和tv2的移相角(或?qū)ń?來(lái)調(diào)節(jié)升壓變壓器t的輸入電壓,然后通過(guò)橋式整流電路得到脈動(dòng)的直流電壓,將電能儲(chǔ)存在電容組cl中。當(dāng)可控硅vt7導(dǎo)通,其瞬間向充磁頭產(chǎn)生強(qiáng)脈沖電流放電,對(duì)材料進(jìn)行快速充磁。在雙向可控硅同步相控觸發(fā)電路中,模擬量模塊fx0n-3a的輸出端電壓vout控制導(dǎo)通角,以調(diào)節(jié)存能電容上端電壓。
3.2 BENTLY NEVADA PWA-40340-01J系統(tǒng)控制電路
選三菱fx1n-24mr為系統(tǒng)主控器,模擬量fx0n-3a有二個(gè)輸入和一個(gè)輸出,其中輸入檢測(cè)電流信號(hào)和磁通信號(hào),輸出控制雙向可控硅的導(dǎo)通角。
3.3 BENTLY NEVADA PWA-40340-01J控制程序設(shè)計(jì)
控制程序有手動(dòng)與自動(dòng)。手動(dòng)控制程序用于電容切換和電容充電檢查、充磁檢查等調(diào)試和維護(hù)。
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