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高壓電源的升壓和降壓時間一定要掌握

    當您(nin)使用(yong)高(gao)電壓(ya)電源(yuan)為您(nin)作業時,了(le)解輸出下降和放電時刻是(shi)有利(li)的(de)(de)。本使用(yong)指南(nan)自身并不能構成足夠的(de)(de)“安(an)全(quan)培訓”,指導您(nin)進行恰(qia)當的(de)(de)安(an)裝和使用(yong)高(gao)壓(ya)電源(yuan)。請參閱咱們(men)提供的(de)(de)隨(sui)附產品的(de)(de)完好安(an)全(quan)信(xin)息。

    通常(chang)情況下,咱們是(shi)通過操控逆變(bian)器饋電(dian)(dian)(dian)給電(dian)(dian)(dian)壓(ya)(ya)倍(bei)增(zeng)電(dian)(dian)(dian)路(lu)相連的(de)(de)升壓(ya)(ya)變(bian)壓(ya)(ya)器而發生高(gao)電(dian)(dian)(dian)壓(ya)(ya)的(de)(de)。倍(bei)增(zeng)電(dian)(dian)(dian)路(lu)(電(dian)(dian)(dian)容(rong)(rong)器和(he)(he)二(er)極管組成),使(shi)用了這一作業原理(li):那就是(shi)充電(dian)(dian)(dian)電(dian)(dian)(dian)容(rong)(rong)和(he)(he)放電(dian)(dian)(dian)電(dian)(dian)(dian)容(rong)(rong)每隔(ge)溝通電(dian)(dian)(dian)壓(ya)(ya)的(de)(de)半個周期,此(ci)時的(de)(de)輸出是(shi)這些電(dian)(dian)(dian)容(rong)(rong)器串聯電(dian)(dian)(dian)壓(ya)(ya)的(de)(de)總和(he)(he)。電(dian)(dian)(dian)壓(ya)(ya)倍(bei)增(zeng)電(dian)(dian)(dian)路(lu)具有電(dian)(dian)(dian)容(rong)(rong)性質,并(bing)有儲存和(he)(he)保持(chi)電(dian)(dian)(dian)荷的(de)(de)才能。

    為了提高效率,電(dian)(dian)源(yuan)內部輸出端連(lian)接(jie)的僅有(you)電(dian)(dian)阻路徑(jing),是具有(you)高阻抗的電(dian)(dian)壓反(fan)應(ying)(ying)分壓器電(dian)(dian)阻串。反(fan)應(ying)(ying)分壓器發(fa)生低電(dian)(dian)壓對地(di)參閱的電(dian)(dian)壓反(fan)應(ying)(ying)信號以(yi)操控和調理(li)電(dian)(dian)源(yuan)。

    因(yin)(yin)為倍增器(qi)(qi)裝置(zhi)中的(de)(de)二極管的(de)(de)方(fang)向(xiang),正極性的(de)(de)電(dian)源只能提供電(dian)流而無法吸收電(dian)流。因(yin)(yin)此,在空載狀態下,反應(ying)分(fen)壓(ya)器(qi)(qi)子串(chuan)就成為了輸出的(de)(de)僅(jin)有放(fang)(fang)電(dian)路徑。讓咱們來看一款典型產(chan)品的(de)(de)倍增器(qi)(qi)電(dian)容(rong)值和反應(ying)分(fen)壓(ya)器(qi)(qi)電(dian)阻值,以了解(jie)咱們所談(tan)論的(de)(de)是(shi)何種(zhong)空載放(fang)(fang)電(dian)RC時刻(ke)常數。

    在空載情況下(xia),輸出放(fang)電(dian)(dian)需要怎么足夠長的(de)(de)(de)時刻(ke)。如果外(wai)部負(fu)載連接到(dao)電(dian)(dian)源的(de)(de)(de)輸出端,放(fang)電(dian)(dian)時刻(ke)常數就可以大(da)大(da)的(de)(de)(de)縮短。出于這個原(yuan)因(yin),高壓電(dian)(dian)源的(de)(de)(de)下(xia)降時刻(ke)是負(fu)載決定的(de)(de)(de)。當您使(shi)用高壓電(dian)(dian)源時,請記(ji)住這一點。

 


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