直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)品質有時會(hui)直(zhi)(zhi)接影響測試(shi)結果，所以(yi)在高要(yao)(yao)求的(de)(de)(de)測試(shi)項目中對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)性能提出(chu)了很(hen)(hen)高的(de)(de)(de)要(yao)(yao)求。目前在直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)市(shi)場低(di)(di)端產(chan)品已(yi)經很(hen)(hen)便(bian)宜(yi)，在很(hen)(hen)多電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子市(shi)場不難(nan)花二百多元買(mai)到(dao)30V/2A規格(ge)的(de)(de)(de)數(shu)顯可(ke)(ke)調(diao)直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)，不過中高級的(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)價格(ge)昂(ang)貴，即便(bian)是(shi)(shi)國產(chan)的(de)(de)(de)高精(jing)度可(ke)(ke)編程電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)依然價格(ge)不菲，所以(yi)對(dui)于(yu)小(xiao)微企業(ye)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子實驗室和個人無線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)愛好者的(de)(de)(de)工(gong)作室，配置(zhi)(zhi)高性能直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)二手(shou)產(chan)品依然是(shi)(shi)實惠的(de)(de)(de)選擇。現代直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)向著可(ke)(ke)編程智(zhi)能化(hua)的(de)(de)(de)方(fang)向發展。由于(yu)單片(pian)機和數(shu)控技術的(de)(de)(de)普及，越(yue)來(lai)越(yue)多的(de)(de)(de)可(ke)(ke)調(diao)直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)采用基于(yu)單片(pian)機的(de)(de)(de)數(shu)控化(hua)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)調(diao)節設(she)計，以(yi)實現更高的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)輸出(chu)穩(wen)(wen)(wen)定度和設(she)置(zhi)(zhi)分辨率。直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)可(ke)(ke)提供穩(wen)(wen)(wen)定的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)供給，有效防止(zhi)因電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)波動(dong)造成的(de)(de)(de)設(she)備損壞。山東低(di)(di)紋波直(zhi)(zhi)流(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)價格(ge)

直(zhi)(zhi)流(liu)穩壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)可(ke)(ke)以(yi)分為(wei)線(xian)性(xing)(xing)有：線(xian)性(xing)(xing)穩定電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)有一(yi)個(ge)共同(tong)的(de)特點(dian)就是它(ta)的(de)功(gong)率(lv)器件調(diao)整管(guan)工(gong)作在線(xian)性(xing)(xing)區，靠(kao)調(diao)整管(guan)之間的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)降來穩定輸出(chu)(chu)。由于調(diao)整管(guan)靜(jing)態損耗大(da)(da)(da)，需(xu)要安裝(zhuang)一(yi)個(ge)很大(da)(da)(da)的(de)散熱(re)器給它(ta)散熱(re)。而且(qie)由于變(bian)壓(ya)(ya)(ya)(ya)器工(gong)作在工(gong)頻（50Hz)上(shang)，所以(yi)重(zhong)量較大(da)(da)(da)。該類(lei)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)優點(dian)是穩定性(xing)(xing)高(gao)，紋波小，可(ke)(ke)靠(kao)性(xing)(xing)高(gao)，易做(zuo)成(cheng)多(duo)路(lu)(lu)，輸出(chu)(chu)連(lian)續可(ke)(ke)調(diao)的(de)成(cheng)品。這類(lei)穩定電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)又有很多(duo)種，從輸出(chu)(chu)性(xing)(xing)質(zhi)可(ke)(ke)分為(wei)穩壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)和穩流(liu)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)及集穩壓(ya)(ya)(ya)(ya)、穩流(liu)于一(yi)身(shen)的(de)穩壓(ya)(ya)(ya)(ya)穩流(liu)（雙穩）電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)。從輸出(chu)(chu)值來看可(ke)(ke)分定點(dian)輸出(chu)(chu)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)、波段開關調(diao)整式和電(dian)(dian)(dian)(dian)位器連(lian)續可(ke)(ke)調(diao)式幾種。從輸出(chu)(chu)指示上(shang)可(ke)(ke)分指針指示型和數字(zi)顯示式型等等。江蘇通訊(xun)直(zhi)(zhi)流(liu)穩壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)報價直(zhi)(zhi)流(liu)穩壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)可(ke)(ke)以(yi)同(tong)時提供多(duo)路(lu)(lu)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)輸出(chu)(chu)，滿足復雜系統的(de)供電(dian)(dian)(dian)(dian)需(xu)求。

在工業生(sheng)產和日常(chang)(chang)生(sheng)活中(zhong)，許多電(dian)(dian)(dian)氣設(she)(she)備和家用電(dian)(dian)(dian)器(qi)中(zhong)，常(chang)(chang)需要電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)穩(wen)(wen)(wen)定(ding)的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)源(yuan)供電(dian)(dian)(dian)，而電(dian)(dian)(dian)網(wang)提供的(de)(de)通常(chang)(chang)為單相220伏(fu)或(huo)三(san)相380伏(fu)的(de)(de)交(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)源(yuan)。將(jiang)交(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)源(yuan)通過變壓(ya)(ya)(ya)(ya)、整流(liu)(liu)(liu)(liu)、濾(lv)波(bo)(bo)、穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)后變為幅(fu)值(zhi)穩(wen)(wen)(wen)定(ding)、電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)穩(wen)(wen)(wen)定(ding)的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)的(de)(de)設(she)(she)備稱為直(zhi)(zhi)流(liu)(liu)(liu)(liu)穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)源(yuan)。電(dian)(dian)(dian)子(zi)設(she)(she)備所需的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)源(yuan)，一般都是采用由交(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)網(wang)供電(dian)(dian)(dian)，經“整流(liu)(liu)(liu)(liu)”、“濾(lv)波(bo)(bo)”、“穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)”后獲得。所謂“整流(liu)(liu)(liu)(liu)”指(zhi)把大小、方向都變化(hua)的(de)(de)交(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)變成(cheng)單向脈動(dong)的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)，能(neng)(neng)完成(cheng)整流(liu)(liu)(liu)(liu)任務的(de)(de)設(she)(she)備稱為整流(liu)(liu)(liu)(liu)器(qi)。所謂“濾(lv)波(bo)(bo)”指(zhi)濾(lv)除脈動(dong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)中(zhong)的(de)(de)交(jiao)流(liu)(liu)(liu)(liu)成(cheng)分(fen)，使得輸(shu)出(chu)波(bo)(bo)形平(ping)滑(hua)，能(neng)(neng)完成(cheng)濾(lv)波(bo)(bo)任務的(de)(de)設(she)(she)備稱為濾(lv)波(bo)(bo)器(qi)。所謂“穩(wen)(wen)(wen)壓(ya)(ya)(ya)(ya)”指(zhi)輸(shu)入電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)波(bo)(bo)動(dong)或(huo)負載(zai)變化(hua)引起輸(shu)出(chu)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)變化(hua)時，能(neng)(neng)自動(dong)調整使輸(shu)出(chu)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)維持(chi)在原值(zhi)。

根據調(diao)(diao)整(zheng)(zheng)管的(de)(de)工作(zuo)(zuo)狀(zhuang)(zhuang)態(tai)，我(wo)們(men)常(chang)把(ba)(ba)穩壓(ya)(ya)(ya)電(dian)源分(fen)成兩類(lei)：線性(xing)穩壓(ya)(ya)(ya)電(dian)源和(he)開(kai)(kai)(kai)關(guan)(guan)穩壓(ya)(ya)(ya)電(dian)源。此外，還有一種使用穩壓(ya)(ya)(ya)管的(de)(de)小電(dian)源。這(zhe)里說(shuo)的(de)(de)線性(xing)穩壓(ya)(ya)(ya)電(dian)源，是(shi)(shi)指調(diao)(diao)整(zheng)(zheng)管工作(zuo)(zuo)在(zai)線性(xing)狀(zhuang)(zhuang)態(tai)下(xia)(xia)的(de)(de)直流(liu)(liu)穩壓(ya)(ya)(ya)電(dian)源。調(diao)(diao)整(zheng)(zheng)管工作(zuo)(zuo)在(zai)線性(xing)狀(zhuang)(zhuang)態(tai)下(xia)(xia)，可這(zhe)么來理解：RW是(shi)(shi)連續可變的(de)(de)，亦即是(shi)(shi)線性(xing)的(de)(de)。而在(zai)開(kai)(kai)(kai)關(guan)(guan)電(dian)源中則不一樣(yang)，開(kai)(kai)(kai)關(guan)(guan)管（在(zai)開(kai)(kai)(kai)關(guan)(guan)電(dian)源中，我(wo)們(men)一般把(ba)(ba)調(diao)(diao)整(zheng)(zheng)管叫(jiao)做開(kai)(kai)(kai)關(guan)(guan)管）是(shi)(shi)工作(zuo)(zuo)在(zai)開(kai)(kai)(kai)、關(guan)(guan)兩種狀(zhuang)(zhuang)態(tai)下(xia)(xia)的(de)(de)：開(kai)(kai)(kai)——電(dian)阻(zu)很(hen)小；關(guan)(guan)——電(dian)阻(zu)很(hen)大(da)。工作(zuo)(zuo)在(zai)開(kai)(kai)(kai)關(guan)(guan)狀(zhuang)(zhuang)態(tai)下(xia)(xia)的(de)(de)管子顯然(ran)不是(shi)(shi)線性(xing)狀(zhuang)(zhuang)態(tai)。線性(xing)穩壓(ya)(ya)(ya)電(dian)源是(shi)(shi)比較早(zao)使用的(de)(de)一類(lei)直流(liu)(liu)穩壓(ya)(ya)(ya)電(dian)源。串聯(lian)式直流(liu)(liu)穩壓(ya)(ya)(ya)電(dian)源可以提供高精(jing)度的(de)(de)電(dian)流(liu)(liu)和(he)電(dian)壓(ya)(ya)(ya)調(diao)(diao)節(jie)能力，適用于對(dui)精(jing)度要(yao)求較高的(de)(de)應用。

可調(diao)(diao)(diao)(diao)(diao)式(shi)直(zhi)(zhi)流(liu)穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)使用注意事項有以(yi)下(xia)兩(liang)種：(1)這種直(zhi)(zhi)流(liu)穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)輸(shu)出電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)大(da)小一般可以(yi)在0～30V范圍內連(lian)續調(diao)(diao)(diao)(diao)(diao)整(zheng)，配(pei)有粗調(diao)(diao)(diao)(diao)(diao)和細(xi)調(diao)(diao)(diao)(diao)(diao)兩(liang)個旋鈕，先粗調(diao)(diao)(diao)(diao)(diao)后(hou)細(xi)調(diao)(diao)(diao)(diao)(diao)。在將電(dian)(dian)(dian)(dian)(dian)源(yuan)接(jie)入負載電(dian)(dian)(dian)(dian)(dian)路之(zhi)前先要(yao)(yao)確定(ding)輸(shu)出電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)大(da)小，并準(zhun)確調(diao)(diao)(diao)(diao)(diao)準(zhun)，否則電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)調(diao)(diao)(diao)(diao)(diao)大(da)會很快燒壞(huai)負載電(dian)(dian)(dian)(dian)(dian)路。(2)直(zhi)(zhi)流(liu)穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)輸(shu)出端有兩(liang)根(gen)引(yin)(yin)線(xian)(xian)，一根(gen)為正(zheng)(用紅(hong)色引(yin)(yin)線(xian)(xian)表示)，另一根(gen)為負(用黑色引(yin)(yin)線(xian)(xian)表示)，這兩(liang)根(gen)引(yin)(yin)線(xian)(xian)之(zhi)間不能(neng)(neng)互(hu)換。在接(jie)直(zhi)(zhi)流(liu)穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)輸(shu)出端引(yin)(yin)線(xian)(xian)時，要(yao)(yao)先搞清楚電(dian)(dian)(dian)(dian)(dian)路中的(de)正(zheng)、負電(dian)(dian)(dian)(dian)(dian)源(yuan)端，兩(liang)者之(zhi)間切不可接(jie)反了，否則會燒壞(huai)電(dian)(dian)(dian)(dian)(dian)路。串聯式(shi)直(zhi)(zhi)流(liu)穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)調(diao)(diao)(diao)(diao)(diao)節速度快，能(neng)(neng)夠快速響(xiang)應負載變(bian)化。鄭(zheng)州直(zhi)(zhi)流(liu)穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)方案(an)

串(chuan)聯式直(zhi)流穩(wen)壓電源采用(yong)好品質的穩(wen)壓器件(jian)和(he)過(guo)濾(lv)器，提供(gong)穩(wen)定的直(zhi)流電源輸出。山東(dong)低(di)紋波直(zhi)流穩(wen)壓電源價格(ge)

直(zhi)流穩(wen)壓(ya)(ya)(ya)電(dian)源(yuan)使用(yong)注意(yi)事項有以下幾種(zhong)：1、根據所需(xu)(xu)要(yao)的(de)電(dian)壓(ya)(ya)(ya)，先(xian)調(diao)(diao)整(zheng)(zheng)“粗(cu)調(diao)(diao)”旋(xuan)紐(niu)，再逐漸調(diao)(diao)整(zheng)(zheng)“細(xi)調(diao)(diao)”旋(xuan)紐(niu)，要(yao)做到(dao)(dao)正(zheng)確(que)配合(he)。例如需(xu)(xu)要(yao)輸出(chu)12V電(dian)壓(ya)(ya)(ya)時，需(xu)(xu)將(jiang)“粗(cu)調(diao)(diao)”旋(xuan)紐(niu)置在(zai)15V檔，再調(diao)(diao)整(zheng)(zheng)“細(xi)調(diao)(diao)”旋(xuan)紐(niu)調(diao)(diao)置12V，而“粗(cu)調(diao)(diao)”旋(xuan)紐(niu)不(bu)應(ying)置在(zai)10V檔。否則，較(jiao)大輸出(chu)電(dian)壓(ya)(ya)(ya)達不(bu)到(dao)(dao)12V。2、調(diao)(diao)整(zheng)(zheng)到(dao)(dao)所需(xu)(xu)要(yao)的(de)電(dian)壓(ya)(ya)(ya)后(hou)(hou)，再接(jie)入負(fu)(fu)載。3、在(zai)使用(yong)過程中，如果需(xu)(xu)要(yao)變換(huan)“粗(cu)調(diao)(diao)”檔時，應(ying)先(xian)斷開(kai)負(fu)(fu)載，待(dai)輸出(chu)電(dian)壓(ya)(ya)(ya)調(diao)(diao)到(dao)(dao)所需(xu)(xu)要(yao)的(de)值(zhi)后(hou)(hou)，再接(jie)入負(fu)(fu)載。4、在(zai)使用(yong)過程中，因負(fu)(fu)載短(duan)路或過載引起保護時，應(ying)首先(xian)斷開(kai)負(fu)(fu)載，然(ran)后(hou)(hou)按(an)動“復原”按(an)鈕，也可重新開(kai)啟電(dian)源(yuan)，電(dian)壓(ya)(ya)(ya)即可恢復正(zheng)常工作，待(dai)排除故障后(hou)(hou)再接(jie)入負(fu)(fu)載。山東低紋波直(zhi)流穩(wen)壓(ya)(ya)(ya)電(dian)源(yuan)價(jia)格

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