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設定開關外接電源輸出模塊怎么才能設定紋波和限制躁聲?

分享期限:2020-05-25 14:27:08     手機瀏覽:2411

粉紅噪聲紋波與輸出電電源線路系統的濾波電阻器量想關。電阻器量并是無現制的加入,有輸出粉紅噪聲紋波的留下。洽談紋經DC/DC切換器衰減比率后,在開關按鈕電電源線路系統輸出端通常表現形式為粉紅噪聲空調噪聲,其大由DC/DC變幻器的變比和操控技巧的增益值值決策。功率型操控DC/DC更改器的紋波控住比做運作電壓電流型稍有完善。但其輸出新風系統的高頻聊天紋波仍較好大。若要實現打開交流24v電源線路的低紋波輸出,則是需要對高頻交流24v電源紋波挑選濾波器計劃。可挑選前級預穩壓和縮小DC/DC更改器閉環控制增益值值來移除。

中頻紋(wen)波的(de)三(san)類(lei)所(suo)用(yong)的(de)模(mo)式 :

a、拉動輸出粉(fen)紅噪聲濾(lv)波器(qi)的電(dian)傳感(gan)器(qi),電(dian)容器(qi)差(cha)不(bu)多指標(biao)體系,使粉(fen)紅噪聲紋波縮短到的需求要(yao)的枝術(shu)指標(biao)體系。

b、使用(yong)前饋(kui)保持(chi)的方(fang)法 ,限制中頻紋波量用(yong)。

低(di)(di)頻(pin)(pin)(pin)點(dian)(dian)率(lv)(lv)紋(wen)(wen)波(bo)低(di)(di)頻(pin)(pin)(pin)噪音原(yuan)因于低(di)(di)頻(pin)(pin)(pin)點(dian)(dian)率(lv)(lv)效(xiao)率(lv)(lv)外(wai)(wai)接(jie)(jie)(jie)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)切(qie)換(huan)外(wai)(wai)接(jie)(jie)(jie)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)控制電(dian)(dian)(dian)(dian)線系(xi)統(tong),在(zai)外(wai)(wai)接(jie)(jie)(jie)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)控制電(dian)(dian)(dian)(dian)線系(xi)統(tong)中(zhong),不(bu)同效(xiao)率(lv)(lv)元器對輸出(chu)(chu)電(dian)(dian)(dian)(dian)流線電(dian)(dian)(dian)(dian)壓(ya)實現了低(di)(di)頻(pin)(pin)(pin)點(dian)(dian)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)切(qie)換(huan)往后整流濾(lv)(lv)波(bo)器再(zai)搞定穩壓(ya)輸出(chu)(chu)的(de),在(zai)其輸出(chu)(chu)端所含與外(wai)(wai)接(jie)(jie)(jie)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)上(shang)(shang)班頻(pin)(pin)(pin)點(dian)(dian)金(jin)橋接(jie)(jie)(jie)地銅絞線——加塑(su)銅絞線上(shang)(shang)班頻(pin)(pin)(pin)點(dian)(dian)的(de)低(di)(di)頻(pin)(pin)(pin)點(dian)(dian)率(lv)(lv)紋(wen)(wen)波(bo),其外(wai)(wai)資控制電(dian)(dian)(dian)(dian)線系(xi)統(tong)的(de)作用多少其主(zhu)(zhu)(zhu)要和(he)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)外(wai)(wai)接(jie)(jie)(jie)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)控制電(dian)(dian)(dian)(dian)線系(xi)統(tong)的(de)切(qie)換(huan)上(shang)(shang)班頻(pin)(pin)(pin)點(dian)(dian)、輸出(chu)(chu)濾(lv)(lv)波(bo)器的(de)格局和(he)基本的(de)技術參(can)數管于,規劃中(zhong)盡量避(bi)免(mian)不(bu)斷提升(sheng)效(xiao)率(lv)(lv)切(qie)換(huan)器的(de)上(shang)(shang)班頻(pin)(pin)(pin)點(dian)(dian),就能夠(gou)下降(jiang)對低(di)(di)頻(pin)(pin)(pin)點(dian)(dian)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)主(zhu)(zhu)(zhu)機(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)打(da)(da)開(kai)(kai)(kai)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)鈕(niu)(niu)紋(wen)(wen)波(bo)的(de)濾(lv)(lv)波(bo)器標淮。

高速率(lv)率(lv)紋波控制實用(yong)的(de)方法(fa) :

a、增(zeng)加(jia)按鈕(niu)開關電原電路設(she)計作業(ye)次(ci)數,以增(zeng)加(jia)高(gao)次(ci)數紋波(bo)作業(ye)次(ci)數,有(you)利于管理輸出高(gao)次(ci)數紋波(bo)

b、提高(gao)輸出高(gao)頻率(lv)濾波器,可能把握(wo)輸出高(gao)頻率(lv)紋波。

c、選(xuan)擇使用層(ceng)級濾波器。

開關電源模塊怎樣控制紋波和減少噪音?

旋轉(zhuan)電(dian)(dian)(dian)(dian)原(yuan)開關24v外接電(dian)(dian)(dian)(dian)原(yuan)板(ban)塊(kuai)都需對輸出(chu)相(xiang)電(dian)(dian)(dian)(dian)阻值(zhi)(zhi)相(xiang)電(dian)(dian)(dian)(dian)阻值(zhi)(zhi)設(she)(she)定(ding)閉環設(she)(she)定(ding)設(she)(she)定(ding)規(gui)劃(hua),設(she)(she)定(ding)器差不(bu)多性(xing)能(neng)性(xing)能(neng)指(zhi)標規(gui)劃(hua)的(de)不(bu)非常合(he)適也會(hui)發(fa)生(sheng)紋(wen)波(bo)。當輸出(chu)端價格波(bo)動時給出(chu)反應智連網入(ru)駐(zhu)設(she)(she)定(ding)器設(she)(she)定(ding)管(guan)路,將(jiang)會(hui)發(fa)生(sheng)設(she)(she)定(ding)器的(de)自激自由振(zhen)蕩,發(fa)生(sheng)追加紋(wen)波(bo)。此紋(wen)波(bo)操作相(xiang)電(dian)(dian)(dian)(dian)阻值(zhi)(zhi)平常找不(bu)到規(gui)定(ding)的(de)操作速度。在(zai)24v外接電(dian)(dian)(dian)(dian)原(yuan)旋轉(zhuan)電(dian)(dian)(dian)(dian)原(yuan)開關直(zhi)流電(dian)(dian)(dian)(dian)原(yuan)24v外接電(dian)(dian)(dian)(dian)原(yuan)中,因設(she)(she)定(ding)器差不(bu)多性(xing)能(neng)性(xing)能(neng)指(zhi)標采用不(bu)適合(he)會(hui)發(fa)生(sheng)輸出(chu)紋(wen)波(bo)的(de)擴展。

調控紋波的常有行為 :

a、在把(ba)(ba)控器工(gong)作(zuo)輸(shu)出提升自(zi)己對地的(de)補(bu)上費用(yong)數據信息wifi網絡(luo),把(ba)(ba)控器的(de)補(bu)上費用(yong)可(ke)克制把(ba)(ba)控器自(zi)激(ji)造的(de)紋波發展。

b、合(he)理化性(xing)(xing)適用開(kai)(kai)(kai)(kai)環掌(zhang)握(wo)(wo)掌(zhang)握(wo)(wo)器(qi)的(de)開(kai)(kai)(kai)(kai)環變(bian)小(xiao)(xiao)倍數(shu)(shu)和開(kai)(kai)(kai)(kai)環掌(zhang)握(wo)(wo)掌(zhang)握(wo)(wo)器(qi)的(de)基礎參(can)數(shu)(shu)值,開(kai)(kai)(kai)(kai)環變(bian)小(xiao)(xiao)倍數(shu)(shu)過(guo)大是前會會導致掌(zhang)握(wo)(wo)器(qi)的(de)振(zhen)蕩器(qi)或自激(ji),使工作(zuo)(zuo)輸出(chu)紋彼成分(fen)不斷(duan)(duan)提高,過(guo)小(xiao)(xiao)的(de)開(kai)(kai)(kai)(kai)環變(bian)小(xiao)(xiao)倍數(shu)(shu)使工作(zuo)(zuo)輸出(chu)直流(liu)電壓平衡(heng)穩(wen)定性(xing)(xing)降低及紋波成分(fen)不斷(duan)(duan)提高.之所以把(ba)控好器(qi)的(de)開(kai)(kai)(kai)(kai)環縮小(xiao)(xiao)倍數(shu)(shu)及前饋把(ba)控好把(ba)控好器(qi)的(de)幾(ji)乎性(xing)(xing)能指標(biao)要合(he)理可行(xing)性(xing)(xing)選出(chu),緩(huan)解過(guo)程中應標(biao)準根據事情深入開(kai)(kai)(kai)(kai)展緩(huan)解。

c、在資料(liao)反饋(kui)系(xi)統區域中不改善純比較慢濾波(bo)分階(jie)段.使(shi)怎(zen)么延(yan)時遲鈍降回(hui)最低標準.以(yi)提高反饋(kui)操(cao)縱(zong)操(cao)縱(zong)調接的(de)更快的(de)性和時長(chang)性,對操(cao)縱(zong)內容輸(shu)出電阻值(zhi)紋波(bo)是有好處(chu)的(de)。

所(suo)以電(dian)(dian)纜(lan)網絡配(pei)件與(yu)銅管(guan)(guan)cpu熱管(guan)(guan)散熱器(qi)底(di)板和電(dian)(dian)纜(lan)箱式(shi)配(pei)電(dian)(dian)變(bian)壓(ya)器(qi)原、副邊(bian)互充(chong)分(fen)相(xiang)保有生存(cun)濾波(bo)(bo)(bo)電(dian)(dian)阻(zu),絕(jue)緣線(xian)保有生存(cun)電(dian)(dian)調節器(qi),因(yin)此(ci)當橢圓波(bo)(bo)(bo)工(gong)作(zuo)的電(dian)(dian)阻(zu)值(zhi)效用于(yu)電(dian)(dian)纜(lan)網絡配(pei)件時,啟(qi)閉(bi)電(dian)(dian)源模(mo)塊電(dian)(dian)路板的傷害(hai)(hai)端因(yin)此(ci)會造(zao)成共(gong)模(mo)紋波(bo)(bo)(bo)低(di)頻解決(jue)。降與(yu)把(ba)控(kong)電(dian)(dian)纜(lan)網絡配(pei)件、電(dian)(dian)纜(lan)箱式(shi)配(pei)電(dian)(dian)變(bian)壓(ya)器(qi)與(yu)外殼地互充(chong)分(fen)相(xiang)的生存(cun)濾波(bo)(bo)(bo)電(dian)(dian)阻(zu),并在傷害(hai)(hai)側加共(gong)模(mo)把(ba)控(kong)電(dian)(dian)調節器(qi)及濾波(bo)(bo)(bo)電(dian)(dian)阻(zu),可降傷害(hai)(hai)的共(gong)模(mo)紋波(bo)(bo)(bo)低(di)頻解決(jue)。

影(ying)響效果共模紋波躁音的種類的方(fang)式 :

a、輸出所采用靠(kao)譜(pu)設計構思的EMI凈化器。

b、縮減按(an)鈕毛邊波幅。

高(gao)水準(zhun)平(ping)率(lv)諧振嗡嗡聲關鍵所在來出(chu)于高(gao)平(ping)率(lv)整流電(dian)感(gan)反相恢復正(zheng)常(chang)時(shi)電(dian)感(gan)結(jie)(jie)電(dian)感(gan)、電(dian)氣能源(yuan)自(zi)(zi)動(dong)化(hua)微(wei)電(dian)子元件按鈕時(shi)電(dian)氣能源(yuan)自(zi)(zi)動(dong)化(hua)微(wei)電(dian)子元件結(jie)(jie)電(dian)感(gan)與(yu)變(bian)電(dian)線路圖寄托(tuo)在電(dian)調節器的諧振,工(gong)作的平(ping)率(lv)尋常(chang)為1-10MHz,憑借使用軟還原(yuan)性(xing)質(zhi)整流二(er)極管(guan)、結(jie)(jie)濾(lv)波電(dian)容小的打開管(guan)和減低(di)鋪線粗度等現狀分(fen)析能減低(di)極高(gao)規律諧振躁聲。

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