轉(zhuan)載自來源(yuan)(yuan)(yuan)：電子變壓器與電感(gan)網(wang) 作者(zhe)：卞婭(ya)琪 2022-02-14編(bian)者(zhe)按當(dang)前，不間(jian)斷電源(yuan)(yuan)(yuan)(UPS)已經成為信(xin)息化(hua)建設(she)基礎設(she)施(shi)重要組(zu)成部分，隨著信(xin)息化(hua)建設(she)推進，不間(jian)斷電源(yuan)(yuan)(yuan)(UPS)行業市場(chang)規(gui)模將繼續實(shi)現穩(wen)步增長。據(ju)中國電源(yuan)(yuan)(yuan)學會(hui)的(de)分析統(tong)計，2009-2019年，我(wo)國不間(jian)斷電源(yuan)(yuan)(yuan)(UPS)行業市場(chang)規(gui)模持(chi)續上升(sheng)，由2009年的(de)31.7億元增長至2019年的(de)97.03億元。2020年，“新基建”對于數(shu)據(ju)中心、城(cheng)際高鐵、城(cheng)市軌道交(jiao)通(tong)等領(ling)域(yu)的(de)帶(dai)動下，不間(jian)斷電源(yuan)(yuan)(yuan)(UPS)行業市場(chang)規(gui)模約為103.82億元
來(lai)源：電子變壓器與(yu)電感(gan)網 作者(zhe)：卞婭琪 2022-01-18近日，浙(zhe)(zhe)江(jiang)(jiang)省(sheng)經(jing)濟(ji)和信息化(hua)廳發布了(le)2021年(nian)度(du)浙(zhe)(zhe)江(jiang)(jiang)省(sheng)“專(zhuan)精(jing)特新(xin)”中小企(qi)(qi)業(ye)名(ming)單，認定2021年(nian)度(du)浙(zhe)(zhe)江(jiang)(jiang)省(sheng)“專(zhuan)精(jing)特新(xin)”中小企(qi)(qi)業(ye)2125家(jia)，有效期為3年(nian)，軟磁(ci)材料廠商(shang)浙(zhe)(zhe)江(jiang)(jiang)東睦(mu)科(ke)達(da)(da)磁(ci)電有限公司(si)榜上(shang)有名(ming)。東睦(mu)科(ke)達(da)(da)市(shi)場(chang)開發總監陸慶(qing)表(biao)示，此次認定標志(zhi)著(zhu)浙(zhe)(zhe)江(jiang)(jiang)東睦(mu)科(ke)達(da)(da)磁(ci)電有限公司(si)(下(xia)稱“東睦(mu)科(ke)達(da)(da)”)在產品質量、技術實力(li)、市(shi)場(chang)競爭力(li)、企(qi)(qi)業(ye)影響力(li)以及發展前景等方(fang)面獲(huo)得了(le)行業(ye)高度(du)認可。“我們(men)公司(si)全力(li)員工也因此深受鼓舞，倍感(gan)振奮(fen)。獲(huo)得這個稱號(hao)進(jin)一步激發了(le)我
今(jin)天，新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)已飛入(ru)尋常百姓家。中國(guo)新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)產(chan)(chan)業正經歷什么(me)變革？“雙碳(tan)”目(mu)標(biao)下(xia)新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)如何加速跑(pao)？來聽(ting)一聽(ting)2021世(shi)界制造業大(da)會上(shang)的業內(nei)人士怎么(me)說(shuo)。 綠(lv)色(se)引領 從“政策(ce)驅動”到“市場驅動” “雙碳(tan)”目(mu)標(biao)下(xia)，綠(lv)色(se)引領成為(wei)新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)產(chan)(chan)業的新(xin)(xin)(xin)航標(biao)。 2021年9月，中國(guo)新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)市場滲透(tou)率為(wei)17.3%，進入(ru)以多元化用(yong)戶為(wei)主(zhu)體的市場化快(kuai)速發展階段，用(yong)戶需求成為(wei)牽引市場發展的主(zhu)要(yao)動力。 “既環保又節能(neng)(neng)，不用(yong)加油每個月還能(neng)(neng)省下(xia)一大(da)筆花(hua)銷。”剛入(ru)手一輛新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)的上(shang)海市民張(zhang)曉說(shuo)，開新(xin)(xin)(xin)能(neng)(neng)源(yuan)汽(qi)(qi)(qi)車(che)也是為(wei)實現“雙
長(chang)期以來，電(dian)力電(dian)子器件(jian)中使用(yong)(yong)的(de)(de)(de)磁(ci)(ci)性(xing)材(cai)(cai)(cai)(cai)料(liao)一(yi)直是電(dian)工(gong)鋼材(cai)(cai)(cai)(cai)料(liao)，在(zai)商用(yong)(yong)頻(pin)率范圍，這(zhe)種(zhong)(zhong)材(cai)(cai)(cai)(cai)料(liao)具有(you)優(you)良的(de)(de)(de)磁(ci)(ci)特(te)(te)性(xing)，但隨著頻(pin)率的(de)(de)(de)升(sheng)高，其(qi)特(te)(te)鐵粉芯(xin)性(xing)急(ji)劇地變(bian)差，而鐵氧(yang)體材(cai)(cai)(cai)(cai)料(liao)與之相反。其(qi)高頻(pin)特(te)(te)性(xing)優(you)良，但由于(yu)飽和(he)磁(ci)(ci)通(tong)(tong)密度低，無法作鐵硅磁(ci)(ci)環為(wei)大功率器件(jian)使用(yong)(yong)。壓粉磁(ci)(ci)芯(xin)材(cai)(cai)(cai)(cai)料(liao)具有(you)優(you)良的(de)(de)(de)高頻(pin)特(te)(te)性(xing)和(he)高的(de)(de)(de)磁(ci)(ci)通(tong)(tong)密度，能廣泛(fan)應用(yong)(yong)于(yu)電(dian)工(gong)鋼、鐵氧(yang)體無法應用(yong)(yong)的(de)(de)(de)領域(yu)。這(zhe)種(zhong)(zhong)材(cai)(cai)(cai)(cai)料(liao)由模具成(cheng)型，能制成(cheng)各種(zhong)(zhong)復雜(za)的(de)(de)(de)形狀，并且有(you)可加(jia)工(gong)性(xing)等特(te)(te)點。作為(wei)一(yi)種(zhong)(zhong)在(zai)電(dian)力電(dian)子，抗EMI領域(yu)中有(you)廣泛(fan)應用(yong)(yong)的(de)(de)(de)新材(cai)(cai)(cai)(cai)料(liao)應該(gai)引起重視(shi)。步(bu)驟/方法鐵粉芯(xin)磁(ci)(ci)環絕緣方法的(de)(de)(de)改進，在(zai)由混合(he)和(he)干燥組成(cheng)的(de)(de)(de)絕緣
磁(ci)芯(xin)(xin)的(de)(de)不(bu)同(tong)(tong)，導(dao)致磁(ci)環(huan)電(dian)(dian)感(gan)(gan)?的(de)(de)特性也(ye)就不(bu)同(tong)(tong)，所應用(yong)鐵(tie)(tie)粉芯(xin)(xin)的(de)(de)場合(he)將也(ye)不(bu)同(tong)(tong)，那么鐵(tie)(tie)硅鋁磁(ci)環(huan)電(dian)(dian)感(gan)(gan)與常(chang)見鐵(tie)(tie)氧(yang)體(ti)(ti)(ti)磁(ci)環(huan)電(dian)(dian)感(gan)(gan)存在(zai)怎樣的(de)(de)區別呢？下面(mian)讓小編給你(ni)分析一(yi)下：1、鐵(tie)(tie)硅鋁磁(ci)環(huan)電(dian)(dian)感(gan)(gan)損耗(hao)比鐵(tie)(tie)粉芯(xin)(xin)低，良好的(de)(de)直鐵(tie)(tie)硅磁(ci)環(huan)流偏加特性，成本處于鐵(tie)(tie)粉芯(xin)(xin)和(he)鐵(tie)(tie)鎳鉬（MPP）磁(ci)粉芯(xin)(xin)之間。2、鎳鋅(xin)(xin)(xin)鐵(tie)(tie)氧(yang)體(ti)(ti)(ti)磁(ci)環(huan)電(dian)(dian)感(gan)(gan)鎳鋅(xin)(xin)(xin)鐵(tie)(tie)氧(yang)體(ti)(ti)(ti)具有(you)(you)低磁(ci)導(dao)率(lv)(lv)，具有(you)(you)較(jiao)高(gao)(gao)的(de)(de)電(dian)(dian)阻率(lv)(lv)，可用(yong)于頻(pin)率(lv)(lv)范(fan)圍為2MHz到數百(bai)兆(zhao)赫(he)的(de)(de)場合(he)3、錳(meng)鋅(xin)(xin)(xin)鐵(tie)(tie)氧(yang)體(ti)(ti)(ti)磁(ci)環(huan)電(dian)(dian)感(gan)(gan)錳(meng)鋅(xin)(xin)(xin)材料具有(you)(you)高(gao)(gao)磁(ci)導(dao)率(lv)(lv)。錳(meng)鋅(xin)(xin)(xin)鐵(tie)(tie)氧(yang)體(ti)(ti)(ti)可用(yong)于操作頻(pin)率(lv)(lv)低于5MHz的(de)(de)應用(yong)場合(he)。鎳鋅(xin)(xin)(xin)鐵(tie)(tie)氧(yang)體(ti)(ti)(ti)具有(you)(you)較(jiao)高(gao)(gao)的(de)(de)電(dian)(dian)阻率(lv)(lv)，可用(yong)于頻(pin)率(lv)(lv)范(fan)圍為2MHz到數百(bai)
盡(jin)量(liang)(liang)減(jian)小電(dian)(dian)感(gan)(gan)上(shang)的(de)(de)(de)雜散(san)電(dian)(dian)容(rong)(rong)，拓(tuo)寬(kuan)電(dian)(dian)感(gan)(gan)的(de)(de)(de)有效(xiao)頻率范(fan)圍。電(dian)(dian)感(gan)(gan)上(shang)的(de)(de)(de)雜散(san)電(dian)(dian)容(rong)(rong)來自兩個方(fang)(fang)面(mian)，一(yi)個是(shi)繞(rao)(rao)線之間(jian)(jian)(jian)的(de)(de)(de)電(dian)(dian)容(rong)(rong)，另一(yi)個是(shi)繞(rao)(rao)線與(yu)磁(ci)芯之間(jian)(jian)(jian)的(de)(de)(de)電(dian)(dian)容(rong)(rong)。匝間(jian)(jian)(jian)電(dian)(dian)容(rong)(rong)與(yu)線圈的(de)(de)(de)繞(rao)(rao)法、匝數(shu)鐵(tie)硅磁(ci)環有關(guan)(guan)，繞(rao)(rao)線與(yu)磁(ci)芯之間(jian)(jian)(jian)的(de)(de)(de)電(dian)(dian)容(rong)(rong)與(yu)磁(ci)芯材料有關(guan)(guan)。 減(jian)小電(dian)(dian)感(gan)(gan)的(de)(de)(de)雜散(san)電(dian)(dian)容(rong)(rong)從(cong)兩個方(fang)(fang)面(mian)入手。首(shou)先，如果磁(ci)芯是(shi)導體，應(ying)該先減(jian)小繞(rao)(rao)線與(yu)磁(ci)芯之間(jian)(jian)(jian)的(de)(de)(de)電(dian)(dian)容(rong)(rong)。減(jian)小繞(rao)(rao)組(zu)與(yu)磁(ci)芯之間(jian)(jian)(jian)的(de)(de)(de)電(dian)(dian)容(rong)(rong)的(de)(de)(de)方(fang)(fang)法鐵(tie)粉(fen)芯是(shi)，在繞(rao)(rao)組(zu)與(yu)磁(ci)芯之間(jian)(jian)(jian)加(jia)一(yi)層介電(dian)(dian)常數(shu)較低的(de)(de)(de)絕緣材料，增(zeng)加(jia)繞(rao)(rao)阻與(yu)磁(ci)芯之間(jian)(jian)(jian)的(de)(de)(de)距(ju)離。解決了繞(rao)(rao)組(zu)與(yu)磁(ci)芯之間(jian)(jian)(jian)的(de)(de)(de)寄生(sheng)電(dian)(dian)容(rong)(rong)問題后，可以通過下面(mian)的(de)(de)(de)鐵(tie)硅鋁磁(ci)環繞(rao)(rao)線方(fang)(fang)法減(jian)小匝間(jian)(jian)(jian)電(dian)(dian)容(rong)(rong)：1. 盡(jin)量(liang)(liang)單(dan)層繞(rao)(rao)
磁(ci)(ci)(ci)(ci)導(dao)率高的(de)(de)產品，磁(ci)(ci)(ci)(ci)導(dao)率越高，所(suo)受(shou)的(de)(de)溫度鐵粉(fen)芯有可能就越低，但(dan)電感量是越高，圈數可越少，線(xian)徑也可選用(yong)更大號。根據(ju)各自的(de)(de)需求(qiu)來(lai)選擇合適的(de)(de)磁(ci)(ci)(ci)(ci)芯，但(dan)磁(ci)(ci)(ci)(ci)環(huan)(huan)(huan)(huan)電感磁(ci)(ci)(ci)(ci)芯使用(yong)原則一(yi)般(ban)不變：（1） 磁(ci)(ci)(ci)(ci)環(huan)(huan)(huan)(huan)長的(de)(de)相對較好。 （2）磁(ci)(ci)(ci)(ci)芯孔徑和(he)所(suo)穿過的(de)(de)電纜(lan)結合越緊密越好。（3）低頻(pin)端騷(sao)擾時(shi)，建議線(xian)纜(lan)繞(rao)2~3匝，高頻(pin)鐵硅磁(ci)(ci)(ci)(ci)環(huan)(huan)(huan)(huan)端騷(sao)擾時(shi)，不能繞(rao)匝（因(yin)為分布(bu)電容的(de)(de)存在），選用(yong)長一(yi)點的(de)(de)磁(ci)(ci)(ci)(ci)環(huan)(huan)(huan)(huan)。磁(ci)(ci)(ci)(ci)環(huan)(huan)(huan)(huan)顏色和(he)材質又(you)有什么關系呢？大部(bu)分磁(ci)(ci)(ci)(ci)環(huan)(huan)(huan)(huan)都(dou)要涂裝(zhuang)，一(yi)般(ban)錳鋅環(huan)(huan)(huan)(huan)涂綠色，鐵粉(fen)芯環(huan)(huan)(huan)(huan)用(yong)兩色來(lai)區分材質，常用(yong)有-2(紅(hong)/透(tou)明)、-8(黃/紅(hong))、-18(綠/
電(dian)(dian)(dian)感線(xian)(xian)(xian)圈(quan)(quan)(quan)定義 電(dian)(dian)(dian)感線(xian)(xian)(xian)圈(quan)(quan)(quan)是由導線(xian)(xian)(xian)一圈(quan)(quan)(quan)靠一圈(quan)(quan)(quan)地(di)繞在絕(jue)緣(yuan)管(guan)上，導線(xian)(xian)(xian)彼(bi)此(ci)互(hu)相絕(jue)緣(yuan)，而絕(jue)緣(yuan)管(guan)可以是空心的(de)(de)，也(ye)可以包含鐵芯或磁(ci)粉芯，簡(jian)稱電(dian)(dian)(dian)感。用L表示，單位有亨利(li)(li)（H）、毫亨利(li)(li) （mH）、微亨利(li)(li)（uH），1H=10^3mH=10^6uH。 濾波(bo)(bo)作用，因為開(kai)關(guan)電(dian)(dian)(dian)源利(li)(li)用的(de)(de)鐵粉芯是PWM都是百K級的(de)(de)頻(pin)率，而且是開(kai)關(guan)狀(zhuang)態產生高次(ci)(ci)諧(xie)波(bo)(bo)干(gan)擾(rao)(rao)，高次(ci)(ci)諧(xie)波(bo)(bo)干(gan)擾(rao)(rao)對電(dian)(dian)(dian)網和(he)電(dian)(dian)(dian)路都是污染，因此(ci)要濾掉(diao)，利(li)(li)用電(dian)(dian)(dian)感的(de)(de)通低(di)頻(pin)隔高頻(pin)和(he)電(dian)(dian)(dian)容(rong)的(de)(de)通高頻(pin)隔低(di)頻(pin)濾掉(diao)高次(ci)(ci)諧(xie)波(bo)(bo)，因此(ci)要在開(kai)關(guan)電(dian)(dian)(dian)源中串入電(dian)(dian)(dian)感，并上電(dian)(dian)(dian)容(rong)，電(dian)(dian)(dian)感等效電(dian)(dian)(dian)阻Rl=2*PI*f*L，電(dian)(dian)(dian)容(rong)等
長期以來(lai)，電(dian)力電(dian)子器(qi)件(jian)中使(shi)(shi)用的(de)磁(ci)性(xing)(xing)材(cai)(cai)(cai)料(liao)(liao)一直是電(dian)工鋼材(cai)(cai)(cai)料(liao)(liao)，在商用頻(pin)率范圍，這種材(cai)(cai)(cai)料(liao)(liao)具(ju)有優良的(de)磁(ci)特性(xing)(xing)，但隨(sui)著頻(pin)率的(de)升高(gao)，其(qi)特性(xing)(xing)鐵粉芯(xin)急劇地(di)變(bian)差，而(er)鐵氧體(ti)材(cai)(cai)(cai)料(liao)(liao)與之(zhi)相反。其(qi)高(gao)頻(pin)特性(xing)(xing)優良，但由(you)(you)于(yu)飽和(he)磁(ci)通(tong)密度(du)(du)低(di)，無(wu)法(fa)作為大功率器(qi)件(jian)使(shi)(shi)用。壓粉磁(ci)芯(xin)材(cai)(cai)(cai)料(liao)(liao)具(ju)有優良的(de)高(gao)頻(pin)特性(xing)(xing)和(he)高(gao)的(de)磁(ci)通(tong)密度(du)(du)，能廣(guang)泛應(ying)用于(yu)電(dian)工鋼、鐵氧體(ti)無(wu)法(fa)應(ying)用的(de)領(ling)域。這種材(cai)(cai)(cai)料(liao)(liao)由(you)(you)模具(ju)成(cheng)(cheng)型，能制成(cheng)(cheng)各種復雜的(de)形狀，并且有可加工性(xing)(xing)等特點(dian)。作為一種鐵硅磁(ci)環在電(dian)力電(dian)子，抗EMI領(ling)域中有廣(guang)泛應(ying)用的(de)新材(cai)(cai)(cai)料(liao)(liao)應(ying)該(gai)引起重視。步(bu)驟/方法(fa)1鐵粉芯(xin)磁(ci)環絕緣方法(fa)的(de)改進，在由(you)(you)混合和(he)干燥組成(cheng)(cheng)的(de)絕
1、鐵粉芯密度分布(bu)均勻有更好的溫(wen)度穩定(ding)性。2、相對于(yu)其他可選(xuan)磁(ci)芯成本更低(di)。3、貼片(pian)電(dian)(dian)(dian)感的外形(xing)能(neng)在(zai)必要鐵粉芯時供應靈活性與(yu)可變性，但是(shi)成本更高(gao)。4、而(er)貼片(pian)功率電(dian)(dian)(dian)感使用(yong)高(gao)磁(ci)環通常(chang)見于(yu)電(dian)(dian)(dian)源DC/DC轉換(huan)電(dian)(dian)(dian)路。5、另(ling)一種性能(neng)折衷(zhong)能(neng)在(zai)電(dian)(dian)(dian)感電(dian)(dian)(dian)流(liu)，電(dian)(dian)(dian)感電(dian)(dian)(dian)壓(引腳14到引腳16)與(yu)輸出(chu)電(dian)(dian)(dian)壓紋(wen)波(bo)(bo)典(dian)型(xing)波(bo)(bo)形(xing)中看到。6、運用(yong)電(dian)(dian)(dian)感量較小fdv0620-0.47μh電(dian)(dian)(dian)感產(chan)生(sheng)(sheng)較高(gao)峰(feng)值電(dian)(dian)(dian)流(liu)，輸出(chu)電(dian)(dian)(dian)壓紋(wen)波(bo)(bo)低(di)于(yu)18mv峰(feng)峰(feng)值。7、貼片(pian)電(dian)(dian)(dian)感產(chan)生(sheng)(sheng)紋(wen)波(bo)(bo)峰(feng)峰(feng)鐵硅磁(ci)環值剛超(chao)過12mv。峰(feng)值電(dian)(dian)(dian)流(liu)對輸出(chu)電(dian)(dian)(dian)容充電(dian)(dian)(dian)并且供應負載電(dian)(dian)(dian)流(liu)。8、在(zai)電(dian)(dian)(dian)容上(shang)會(hui)流(liu)入與(yu)流(liu)出(chu)較