電(dian)(dian)鍍(du)屬于電(dian)(dian)解加工過(guo)程，電(dian)(dian)源的因素必(bi)將對電(dian)(dian)鍍(du)工藝(yi)過(guo)程產生直接影響(xiang)，在(zai)電(dian)(dian)鍍(du)工藝(yi)中(zhong)具有(you)重要地位。電(dian)(dian)鍍(du)電(dian)(dian)源和低紋波系數整流電(dian)(dian)源在(zai)電(dian)(dian)鍍(du)行(xing)業中(zhong)的應用，讓(rang)電(dian)(dian)鍍(du)界同仁在(zai)選(xuan)擇整流電(dian)(dian)源、解決(jue)電(dian)(dian)鍍(du)故障、提高電(dian)(dian)鍍(du)質量有(you)所幫助。

1、整流器的基本類型

硅(gui)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)器(qi)：硅(gui)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)器(qi)使用歷史長，技術(shu)成(cheng)熟，目前是(shi)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)器(qi)主流(liu)(liu)產品。各種整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)電(dian)路獲得的(de)(de)(de)均是(shi)脈(mo)動(dong)(dong)直流(liu)(liu)電(dian)，不是(shi)純直流(liu)(liu)。為了比較脈(mo)動(dong)(dong)成(cheng)份的(de)(de)(de)多少(shao)，一般用紋(wen)波(bo)系(xi)數(shu)來表示，其(qi)數(shu)值(zhi)越(yue)小(xiao)，交流(liu)(liu)成(cheng)份越(yue)少(shao)，越(yue)接近純直流(liu)(liu)。各種整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)電(dian)路的(de)(de)(de)波(bo)動(dong)(dong)系(xi)數(shu)不同。其(qi)由(you)大(da)到小(xiao)的(de)(de)(de)次序為：三相(xiang)半波(bo)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)、三相(xiang)全(quan)波(bo)橋(qiao)式整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)或帶(dai)平衡電(dian)抗器(qi)的(de)(de)(de)六相(xiang)雙反星形整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)。可(ke)控(kong)(kong)硅(gui)利用改變可(ke)控(kong)(kong)硅(gui)管導(dao)通角來調整(zheng)(zheng)(zheng)(zheng)輸(shu)(shu)出平均直流(liu)(liu)大(da)小(xiao)的(de)(de)(de)普(pu)通可(ke)控(kong)(kong)硅(gui)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)器(qi)，可(ke)控(kong)(kong)硅(gui)管輸(shu)(shu)出的(de)(de)(de)是(shi)間(jian)斷脈(mo)沖波(bo)，其(qi)紋(wen)波(bo)系(xi)數(shu)的(de)(de)(de)受(shou)導(dao)通角控(kong)(kong)制，輸(shu)(shu)出紋(wen)波(bo)系(xi)數(shu)大(da)于普(pu)通硅(gui)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)電(dian)路。

2、開關電源

開關電(dian)(dian)(dian)源(yuan)兼有硅整(zheng)流器(qi)的波形平滑性優(you)點及(ji)可控(kong)硅整(zheng)流器(qi)的調壓方便的優(you)點，電(dian)(dian)(dian)流效率高體積(ji)最小，數千安培至上(shang)萬安培的大功(gong)率開關電(dian)(dian)(dian)源(yuan)已進(jin)入生產(chan)實(shi)(shi)用(yong)階(jie)段。開關電(dian)(dian)(dian)源(yuan)其頻率已達(da)音(yin)頻，通過濾波實(shi)(shi)現(xian)低紋波輸(shu)出更為簡(jian)便易行。而且穩(wen)流、穩(wen)壓等功(gong)能更易實(shi)(shi)現(xian)。因此，開關電(dian)(dian)(dian)源(yuan)是今(jin)后發展的方向。

3、設備

脈沖電(dian)(dian)源主要是由(you)嵌入(ru)式(shi)單片計(ji)算機等進行(xing)控制，因此，除實現脈沖輸(shu)出(chu)之外，一(yi)般具備(bei)多(duo)(duo)種控制功能(neng)(neng)(neng)。（1)自(zi)動(dong)穩流(liu)穩壓(ya)。傳(chuan)統硅整流(liu)器電(dian)(dian)流(liu)或電(dian)(dian)壓(ya)無法(fa)自(zi)動(dong)穩定(ding)，隨電(dian)(dian)網(wang)電(dian)(dian)壓(ya)的(de)(de)(de)波動(dong)而波動(dong)。而脈沖電(dian)(dian)源則擁有高精度的(de)(de)(de)自(zi)動(dong)調節功能(neng)(neng)(neng)，脈沖電(dian)(dian)源輸(shu)出(chu)電(dian)(dian)壓(ya)可(ke)以幾乎不變。脈沖電(dian)(dian)源的(de)(de)(de)自(zi)動(dong)調節功能(neng)(neng)(neng)一(yi)般具有二種模(mo)(mo)式(shi)：一(yi)，恒電(dian)(dian)流(liu)限壓(ya)模(mo)(mo)式(shi)。二，恒電(dian)(dian)壓(ya)限流(liu)模(mo)(mo)式(shi)。（2)多(duo)(duo)段式(shi)運行(xing)模(mo)(mo)式(shi)。鋁(lv)陽極氧化或硬(ying)鉻電(dian)(dian)鍍(du)時(shi)(shi)(shi)，往往需(xu)要進行(xing)反向(xiang)電(dian)(dian)解、大電(dian)(dian)流(liu)沖擊、階梯送電(dian)(dian)等操作。具有多(duo)(duo)段式(shi)運行(xing)模(mo)(mo)式(shi)的(de)(de)(de)脈沖電(dian)(dian)源則只(zhi)需(xu)提前設(she)定(ding)，生(sheng)產時(shi)(shi)(shi)可(ke)自(zi)動(dong)按(an)順序進行(xing)自(zi)動(dong)調節。這(zhe)一(yi)功能(neng)(neng)(neng)對(dui)硬(ying)鉻電(dian)(dian)鍍(du)是非常有用(yong)(yong)的(de)(de)(de)，每(mei)一(yi)段時(shi)(shi)(shi)間可(ke)在0～255秒(miao)內調節設(she)定(ding)。（3)雙向(xiang)脈沖功能(neng)(neng)(neng)。正負脈沖頻率、占空比(bi)、正反向(xiang)輸(shu)出(chu)時(shi)(shi)(shi)間均可(ke)獨立(li)調節，使用(yong)(yong)靈(ling)活、方便。配合硬(ying)鉻電(dian)(dian)鍍(du)工藝，可(ke)獲得不同(tong)物理性能(neng)(neng)(neng)的(de)(de)(de)鍍(du)層。（4)直(zhi)(zhi)流(liu)疊加功能(neng)(neng)(neng)。輸(shu)出(chu)正反向(xiang)脈沖電(dian)(dian)流(liu)的(de)(de)(de)同(tong)時(shi)(shi)(shi)，由(you)同(tong)一(yi)臺電(dian)(dian)源疊加輸(shu)出(chu)一(yi)純直(zhi)(zhi)流(liu)成分，更拓寬了脈沖電(dian)(dian)源的(de)(de)(de)使用(yong)(yong)范圍(wei)及用(yong)(yong)途(tu)。

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