西門子銑床802C系統白屏顯示條紋維修，西(xi)(xi)門子(zi)(zi)數控系統逐步被廣泛應用于(yu)(yu)中(zhong)國市場。作為我司的主(zhu)打(da)維修(xiu)項(xiang)目(mu)之(zhi)一，自2000年(nian)我司成立(li)之(zhi)日起，我們就已(yi)經開始(shi)根據西(xi)(xi)門子(zi)(zi)產品的特點自主(zhu)研究該項(xiang)維修(xiu)技術。十(shi)幾年(nian)來，我們始(shi)終緊跟西(xi)(xi)門子(zi)(zi)公(gong)司的發展步伐(fa)，不斷更(geng)新維修(xiu)測試設備，不斷突破新的技術難題。如今(jin)，我們對于(yu)(yu)西(xi)(xi)門子(zi)(zi)各系列(lie)的控制器（含(han)主(zhu)板(ban)(ban)(ban)、CPU板(ban)(ban)(ban)、顯卡(ka)、軸(zhou)卡(ka)、電源(yuan)板(ban)(ban)(ban)、內(nei)存卡(ka)、網卡(ka)、I/O板(ban)(ban)(ban)等(deng)）、驅動器（含(han)各類主(zhu)軸(zhou)驅動器、伺服驅動器、伺服電源(yuan)等(deng)）的維修(xiu)技術已(yi)經于(yu)(yu)同行業(ye)(ye)，并(bing)在業(ye)(ye)界(jie)得到(dao)了廣泛的認(ren)可。

西門子銑床802C系統白屏顯示條紋維修，故障維修處理：從(cong)而(er)避免了(le)數控(kong)(kong)(kong)(kong)銑床發生問(wen)題，當(dang)然這是(shi)(shi)針對(dui)沒有(you)(you)起(qi)動(dong)(dong)直(zhi)(zhi)流(liu)制(zhi)(zhi)(zhi)動(dong)(dong)功(gong)能(neng)(neng)的(de)(de)(de)變頻器所采用(yong)的(de)(de)(de)方(fang)(fang)法，15、轉矩矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)是(shi)(shi)基于理論上(shang)(shang)認(ren)為：異步電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)與直(zhi)(zhi)流(liu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)具(ju)有(you)(you)相同的(de)(de)(de)轉矩產生機(ji)(ji)理，矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)方(fang)(fang)式就是(shi)(shi)將(jiang)定子電(dian)(dian)(dian)流(liu)成規定的(de)(de)(de)磁場電(dian)(dian)(dian)流(liu)和轉矩電(dian)(dian)(dian)流(liu)，分別進(jin)行控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)，同時將(jiang)兩者后的(de)(de)(de)定子電(dian)(dian)(dian)流(liu)輸(shu)出(chu)給電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)，因此，從(cong)原理上(shang)(shang)可得到與直(zhi)(zhi)流(liu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)相同的(de)(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)性(xing)能(neng)(neng)，采用(yong)轉矩矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)功(gong)能(neng)(neng)，電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)在(zai)各(ge)種運行條件下都(dou)(dou)能(neng)(neng)輸(shu)出(chu)轉矩，尤其是(shi)(shi)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)在(zai)低速運行區域，現在(zai)的(de)(de)(de)變頻器幾乎都(dou)(dou)采用(yong)無(wu)反(fan)饋(kui)矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)，由(you)于變頻器能(neng)(neng)根(gen)據負載(zai)電(dian)(dian)(dian)流(liu)大(da)小和相位進(jin)行轉差(cha)補(bu)(bu)償，使電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)具(ju)有(you)(you)很硬的(de)(de)(de)力(li)學特(te)性(xing)，對(dui)于多(duo)數場合已能(neng)(neng)滿足要(yao)求(qiu)，不需在(zai)變頻器的(de)(de)(de)外部設置速度反(fan)饋(kui)電(dian)(dian)(dian)路，這一功(gong)能(neng)(neng)的(de)(de)(de)設定，可根(gen)據實際情(qing)況在(zai)有(you)(you)效和無(wu)效中選擇(ze)一項即可，與之有(you)(you)關的(de)(de)(de)功(gong)能(neng)(neng)是(shi)(shi)轉差(cha)補(bu)(bu)償控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)，其作用(yong)是(shi)(shi)為補(bu)(bu)償由(you)負載(zai)波動(dong)(dong)而(er)引起(qi)的(de)(de)(de)速度偏差(cha)，可加上(shang)(shang)對(dui)應于負載(zai)電(dian)(dian)(dian)流(liu)的(de)(de)(de)轉差(cha)頻率，這一功(gong)能(neng)(neng)主要(yao)用(yong)于定位控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)

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