“看到變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)出(chu)(chu)線(xian)接(jie)(jie)頭處閃(shan)火花而關(guan)(guan)(guan)(guan)(guan)了電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)爐變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)就正常了”，這(zhe)是(shi)(shi)(shi)明顯接(jie)(jie)線(xian)端子(zi)的(de)(de)(de)(de)(de)松動而引起的(de)(de)(de)(de)(de)，應及時(shi)停電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)處理好(hao)接(jie)(jie)觸不好(hao)的(de)(de)(de)(de)(de)部位。另外(wai)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)正常運行(xing)時(shi)開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)中變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)如(ru)(ru)(ru)何選型按(an)磁(ci)芯(xin)(xin)Ae面積算功(gong)率選型的(de)(de)(de)(de)(de)。考慮到過(guo)emi選特(te)殊形狀的(de)(de)(de)(de)(de)磁(ci)芯(xin)(xin)。沒(mei)(mei)要(yao)(yao)求(qiu)的(de)(de)(de)(de)(de)。只(zhi)要(yao)(yao)功(gong)率夠用(yong)(yong)就可以了。反激(ji)開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)的(de)(de)(de)(de)(de)設(she)計步驟誰懂(dong)計算設(she)計步驟如(ru)(ru)(ru)下：1、根(gen)據(ju)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)設(she)計要(yao)(yao)求(qiu)，計算出(chu)(chu)開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)(de)功(gong)率。2、根(gen)據(ju)這(zhe)個功(gong)率，開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)(de)工作頻率，選擇(ze)開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)的(de)(de)(de)(de)(de)磁(ci)芯(xin)(xin)，從而確(que)定Ae、Le等磁(ci)芯(xin)(xin)參數(shu)(shu)(shu)；3、根(gen)據(ju)設(she)計開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)時(shi)確(que)定的(de)(de)(de)(de)(de)開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)的(de)(de)(de)(de)(de)初(chu)(chu)級電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)值Lp、Ae、磁(ci)芯(xin)(xin)的(de)(de)(de)(de)(de)Bmax、初(chu)(chu)級峰值電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)Ippk，計算出(chu)(chu)初(chu)(chu)級圈數(shu)(shu)(shu)Np_min=(Lp*Ippk)/(B_max×Ae)4、根(gen)據(ju)你要(yao)(yao)求(qiu)的(de)(de)(de)(de)(de)輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。計算次級輸出(chu)(chu)圈數(shu)(shu)(shu),反饋線(xian)圈圈數(shu)(shu)(shu)。5、根(gen)據(ju)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)，選擇(ze)線(xian)徑；6、校核開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)設(she)計后(hou)的(de)(de)(de)(de)(de)窗口繞(rao)線(xian)，是(shi)(shi)(shi)否(fou)合乎(hu)要(yao)(yao)求(qiu)。如(ru)(ru)(ru)何檢(jian)測開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)的(de)(de)(de)(de)(de)好(hao)壞(huai)開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)故障率較(jiao)(jiao)小(xiao)，損(sun)壞(huai)的(de)(de)(de)(de)(de)很少。但也不是(shi)(shi)(shi)jue對(dui)的(de)(de)(de)(de)(de)。開(kai)關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)一般損(sun)壞(huai)較(jiao)(jiao)多的(de)(de)(de)(de)(de)是(shi)(shi)(shi)開(kai)關(guan)(guan)(guan)(guan)(guan)管(guan)，輸入整(zheng)流(liu)(liu)(liu)管(guan)，輸出(chu)(chu)整(zheng)流(liu)(liu)(liu)管(guan)，濾波電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容。如(ru)(ru)(ru)果輸入整(zheng)流(liu)(liu)(liu)有300V左右(you)的(de)(de)(de)(de)(de)高壓(ya)(ya)，并且開(kai)關(guan)(guan)(guan)(guan)(guan)管(guan)沒(mei)(mei)有損(sun)壞(huai)，偏(pian)置相關(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路沒(mei)(mei)問題，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路不起振不工作，應重點檢(jian)查輸出(chu)(chu)整(zheng)流(liu)(liu)(liu)管(guan)等電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路。12. 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)可以將(jiang)高壓(ya)(ya)輸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)路的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能降低到適用(yong)(yong)于家庭和商業用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)等級。浙江空調(diao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)哪家好(hao)

做如下幾種(zhong)(zhong)狀態(tai)測(ce)(ce)(ce)試：（1）初(chu)(chu)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)與(yu)次(ci)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)之(zhi)(zhi)間(jian)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)值(zhi)；（2）初(chu)(chu)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)與(yu)外(wai)殼之(zhi)(zhi)間(jian)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)值(zhi)；（3）次(ci)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)與(yu)外(wai)殼之(zhi)(zhi)間(jian)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)值(zhi)。上述測(ce)(ce)(ce)試結果(guo)分(fen)出(chu)現三(san)種(zhong)(zhong)情況：（1）阻(zu)(zu)(zu)值(zhi)為(wei)無窮大(da)(da)：正(zheng)常(chang)；（2）阻(zu)(zu)(zu)值(zhi)為(wei)零：有(you)(you)短路性(xing)(xing)故障(zhang)(zhang)(zhang)；（3）阻(zu)(zu)(zu)值(zhi)小于(yu)無窮大(da)(da)，但大(da)(da)于(yu)零：有(you)(you)漏電(dian)(dian)性(xing)(xing)故障(zhang)(zhang)(zhang)。二、電(dian)(dian)源(yuan)(yuan)變(bian)壓器的(de)(de)檢(jian)測(ce)(ce)(ce)：1、通(tong)過觀察變(bian)壓器的(de)(de)外(wai)貌來檢(jian)查其是(shi)否(fou)有(you)(you)明顯異常(chang)現象。如線(xian)圈(quan)(quan)引(yin)線(xian)是(shi)否(fou)斷(duan)裂(lie)，脫焊，絕緣材料是(shi)否(fou)有(you)(you)燒焦痕跡，鐵(tie)(tie)芯(xin)(xin)緊固螺桿是(shi)否(fou)有(you)(you)松動(dong)，硅(gui)鋼片有(you)(you)無銹蝕，繞(rao)組(zu)(zu)(zu)(zu)線(xian)圈(quan)(quan)是(shi)否(fou)有(you)(you)外(wai)露(lu)等。2、絕緣性(xing)(xing)測(ce)(ce)(ce)試。用(yong)萬用(yong)表(biao)(biao)R×10k擋分(fen)別測(ce)(ce)(ce)量(liang)鐵(tie)(tie)芯(xin)(xin)與(yu)初(chu)(chu)級(ji)(ji)(ji)，初(chu)(chu)級(ji)(ji)(ji)與(yu)各(ge)次(ci)級(ji)(ji)(ji)、鐵(tie)(tie)芯(xin)(xin)與(yu)各(ge)次(ci)級(ji)(ji)(ji)、靜電(dian)(dian)屏蔽層與(yu)衩次(ci)級(ji)(ji)(ji)、次(ci)級(ji)(ji)(ji)各(ge)繞(rao)組(zu)(zu)(zu)(zu)間(jian)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)值(zhi)，萬用(yong)表(biao)(biao)指針(zhen)均(jun)應指在無窮大(da)(da)位置(zhi)不動(dong)。否(fou)則(ze)，說(shuo)明變(bian)壓器絕緣性(xing)(xing)能(neng)不良。3、線(xian)圈(quan)(quan)通(tong)斷(duan)的(de)(de)檢(jian)測(ce)(ce)(ce)。將萬用(yong)表(biao)(biao)置(zhi)于(yu)R×1擋，測(ce)(ce)(ce)試中，若某個繞(rao)組(zu)(zu)(zu)(zu)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)值(zhi)為(wei)無窮大(da)(da)，則(ze)說(shuo)明此繞(rao)組(zu)(zu)(zu)(zu)有(you)(you)斷(duan)路性(xing)(xing)故障(zhang)(zhang)(zhang)。4、判別初(chu)(chu)、次(ci)級(ji)(ji)(ji)線(xian)圈(quan)(quan)。電(dian)(dian)源(yuan)(yuan)變(bian)壓器初(chu)(chu)級(ji)(ji)(ji)引(yin)腳和(he)次(ci)級(ji)(ji)(ji)引(yin)腳一般都(dou)是(shi)分(fen)別從(cong)兩側引(yin)出(chu)的(de)(de)，并且初(chu)(chu)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)多標有(you)(you)220V字樣，次(ci)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)則(ze)標出(chu)額定電(dian)(dian)壓值(zhi)，如15V、24V、35V等。再(zai)根據這些標記進行識別。5、空(kong)載電(dian)(dian)流的(de)(de)檢(jian)測(ce)(ce)(ce)。（1）直(zhi)接測(ce)(ce)(ce)量(liang)法。將次(ci)級(ji)(ji)(ji)所有(you)(you)繞(rao)組(zu)(zu)(zu)(zu)全(quan)部開路，把萬用(yong)表(biao)(biao)置(zhi)于(yu)交流電(dian)(dian)流擋（500mA，串入初(chu)(chu)級(ji)(ji)(ji)繞(rao)組(zu)(zu)(zu)(zu)。福建洗衣機(ji)電(dian)(dian)源(yuan)(yuan)變(bian)壓器代(dai)加工16. 電(dian)(dian)源(yuan)(yuan)變(bian)壓器在建筑設(she)備中用(yong)于(yu)提供(gong)穩定和(he)安全(quan)的(de)(de)電(dian)(dian)能(neng)供(gong)應。

矽(xi)鋼(gang)(gang)(gang)(gang)片(pian)(pian)含硅(gui)(gui)(gui)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)大(da)小對變(bian)(bian)壓器(qi)(qi)的(de)(de)(de)(de)(de)(de)質(zhi)量(liang)(liang)(liang)影響(xiang)不(bu)是很(hen)大(da)，而有(you)取向(xiang)和(he)無(wu)取向(xiang)則(ze)和(he)鐵(tie)(tie)芯的(de)(de)(de)(de)(de)(de)型號有(you)關(guan)系。其次，即使是同樣(yang)(yang)型號的(de)(de)(de)(de)(de)(de)鐵(tie)(tie)芯如果你工(gong)(gong)藝處(chu)(chu)(chu)理不(bu)好(hao)(hao)，那品(pin)質(zhi)差(cha)別(bie)也(ye)是很(hen)大(da)的(de)(de)(de)(de)(de)(de)，其差(cha)別(bie)有(you)時(shi)甚(shen)至(zhi)高(gao)達百分(fen)之四(si)五十。好(hao)(hao)的(de)(de)(de)(de)(de)(de)鐵(tie)(tie)芯而同樣(yang)(yang)的(de)(de)(de)(de)(de)(de)材(cai)料(liao)其熱(re)(re)處(chu)(chu)(chu)理和(he)線卷(juan)繞制工(gong)(gong)藝十分(fen)關(guan)鍵，良好(hao)(hao)的(de)(de)(de)(de)(de)(de)熱(re)(re)處(chu)(chu)(chu)理只需很(hen)小的(de)(de)(de)(de)(de)(de)10mA激磁電(dian)流(liu)(liu)就能達到(dao)(dao)15000高(gao)斯，而不(bu)好(hao)(hao)的(de)(de)(de)(de)(de)(de)熱(re)(re)處(chu)(chu)(chu)理則(ze)可(ke)能要(yao)(yao)50mA的(de)(de)(de)(de)(de)(de)激磁電(dian)流(liu)(liu)才能達到(dao)(dao)相(xiang)應的(de)(de)(de)(de)(de)(de)15000高(gao)斯，這二者之間的(de)(de)(de)(de)(de)(de)懸殊差(cha)別(bie)是很(hen)大(da)的(de)(de)(de)(de)(de)(de)。從專業的(de)(de)(de)(de)(de)(de)角度(du)來(lai)判斷鐵(tie)(tie)芯的(de)(de)(de)(de)(de)(de)好(hao)(hao)與(yu)不(bu)好(hao)(hao)，主要(yao)(yao)是通過激磁電(dian)流(liu)(liu)、鐵(tie)(tie)損耗(hao)、飽和(he)參數(shu)幾項(xiang)指標來(lai)進行綜(zong)合性評價。四(si)、環(huan)型電(dian)源變(bian)(bian)壓器(qi)(qi)的(de)(de)(de)(de)(de)(de)帶式硅(gui)(gui)(gui)鋼(gang)(gang)(gang)(gang)片(pian)(pian)若采用了(le)拼(pin)接(jie)(jie)工(gong)(gong)藝，是不(bu)是就意(yi)味著(zhu)品(pin)質(zhi)肯(ken)定不(bu)好(hao)(hao)?還不(bu)能一(yi)概(gai)而論，但(dan)是拼(pin)接(jie)(jie)的(de)(de)(de)(de)(de)(de)斷位(wei)頭不(bu)易太多，因為(wei)多一(yi)個(ge)斷位(wei)就多了(le)一(yi)個(ge)漏磁點，所(suo)以(yi)接(jie)(jie)頭點不(bu)要(yao)(yao)超過2–3個(ge)。制作工(gong)(gong)藝上凡斷頭拼(pin)接(jie)(jie)均(jun)要(yao)(yao)予先經過酸洗處(chu)(chu)(chu)理，但(dan)制造(zao)好(hao)(hao)的(de)(de)(de)(de)(de)(de)音響(xiang)器(qi)(qi)材(cai)的(de)(de)(de)(de)(de)(de)環(huan)型變(bian)(bian)壓器(qi)(qi)，嚴格來(lai)講還是采用無(wu)拼(pin)接(jie)(jie)的(de)(de)(de)(de)(de)(de)矽(xi)鋼(gang)(gang)(gang)(gang)片(pian)(pian)為(wei)好(hao)(hao)，其工(gong)(gong)藝質(zhi)量(liang)(liang)(liang)會更有(you)保障。五、電(dian)源變(bian)(bian)壓器(qi)(qi)中的(de)(de)(de)(de)(de)(de)硅(gui)(gui)(gui)鋼(gang)(gang)(gang)(gang)片(pian)(pian)材(cai)料(liao)有(you)什么講究?由(you)于硅(gui)(gui)(gui)鋼(gang)(gang)(gang)(gang)在(zai)交變(bian)(bian)磁場中的(de)(de)(de)(de)(de)(de)損耗(hao)很(hen)小，所(suo)以(yi)電(dian)源變(bian)(bian)壓器(qi)(qi)主要(yao)(yao)都是采用硅(gui)(gui)(gui)鋼(gang)(gang)(gang)(gang)片(pian)(pian)來(lai)作磁性材(cai)料(liao)。硅(gui)(gui)(gui)鋼(gang)(gang)(gang)(gang)片(pian)(pian)可(ke)分(fen)為(wei)熱(re)(re)軋和(he)冷(leng)軋兩類，冷(leng)軋硅(gui)(gui)(gui)鋼(gang)(gang)(gang)(gang)帶由(you)于具有(you)較(jiao)高(gao)的(de)(de)(de)(de)(de)(de)導磁系數(shu)和(he)較(jiao)低(di)的(de)(de)(de)(de)(de)(de)損耗(hao)。

當(dang)初(chu)級(ji)(ji)繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)插頭插入(ru)220V交(jiao)流(liu)(liu)市電(dian)(dian)(dian)(dian)(dian)時，萬(wan)用(yong)表所指(zhi)示的(de)(de)(de)(de)(de)(de)便是空載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)值。此(ci)值不應大于變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)滿載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)(de)(de)10%～20%。一(yi)般常(chang)(chang)見(jian)電(dian)(dian)(dian)(dian)(dian)子(zi)設備(bei)電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)(de)(de)(de)正常(chang)(chang)空載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)應在(zai)100mA左右。如(ru)果超(chao)出(chu)(chu)太多，則說明變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)有短路(lu)性故(gu)障。（2）間接(jie)測(ce)量法。在(zai)變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)(de)(de)(de)初(chu)級(ji)(ji)繞(rao)(rao)(rao)組(zu)(zu)(zu)中串聯一(yi)個10?/5W的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻，次級(ji)(ji)仍全部空載。把萬(wan)用(yong)表撥至交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)擋。加電(dian)(dian)(dian)(dian)(dian)后，用(yong)兩表筆(bi)測(ce)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)阻R兩端的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)降U，然后用(yong)歐姆定(ding)律(lv)算(suan)出(chu)(chu)空載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)I空，即I空=U/R。6、空載電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)檢(jian)測(ce)。將(jiang)電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)(de)(de)(de)初(chu)級(ji)(ji)接(jie)220V市電(dian)(dian)(dian)(dian)(dian)，用(yong)萬(wan)用(yong)表交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)接(jie)依次測(ce)出(chu)(chu)各繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)空載電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)值（U21、U22、U23、U24）應符合要(yao)求值，允(yun)許(xu)誤差(cha)范圍一(yi)般為(wei)：高壓(ya)(ya)(ya)繞(rao)(rao)(rao)組(zu)(zu)(zu)≤±10%，低(di)壓(ya)(ya)(ya)繞(rao)(rao)(rao)組(zu)(zu)(zu)≤±5%，帶(dai)中心抽(chou)頭的(de)(de)(de)(de)(de)(de)兩組(zu)(zu)(zu)對稱繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)差(cha)應≤±2%。7、一(yi)般小(xiao)功(gong)率電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)允(yun)許(xu)溫升(sheng)為(wei)40℃～50℃，如(ru)果所用(yong)絕緣(yuan)材料質量較好，允(yun)許(xu)溫升(sheng)還可(ke)提高。8、檢(jian)測(ce)判別(bie)各繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)同名(ming)端。在(zai)使(shi)用(yong)電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)時，有時為(wei)了得到所需的(de)(de)(de)(de)(de)(de)次級(ji)(ji)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，可(ke)將(jiang)兩個或多個次級(ji)(ji)繞(rao)(rao)(rao)組(zu)(zu)(zu)串聯起來使(shi)用(yong)。采用(yong)串聯法使(shi)用(yong)電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)時，參加串聯的(de)(de)(de)(de)(de)(de)各繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)同名(ming)端必(bi)須(xu)正確連接(jie)，不能(neng)搞錯。否(fou)則，變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)不能(neng)正常(chang)(chang)工作。I.電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)短路(lu)性故(gu)障的(de)(de)(de)(de)(de)(de)綜合檢(jian)測(ce)判別(bie)。22. 電(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)(de)(de)(de)智(zhi)能(neng)化和(he)自動化可(ke)以提升(sheng)其控制(zhi)和(he)監測(ce)功(gong)能(neng)，實現遠程操(cao)作和(he)管(guan)理(li)。

如(ru)低(di)(di)(di)矮形(xing)RM磁芯，PQ型磁芯等），，均可降(jiang)低(di)(di)(di)熱阻(zu)(zu)提(ti)高(gao)通(tong)過功率(lv)。7．磁芯總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)軟磁鐵氧體(ti)磁芯總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)通(tong)常(chang)(chang)細分為三種類型：磁滯(zhi)(zhi)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)Ph、渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)Pe和(he)剩余損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)Pr。每種損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)貢獻(xian)的(de)(de)(de)(de)頻(pin)(pin)(pin)率(lv)范圍是(shi)不(bu)同的(de)(de)(de)(de)，磁滯(zhi)(zhi)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)正比于(yu)直(zhi)流(liu)(liu)磁滯(zhi)(zhi)回(hui)線的(de)(de)(de)(de)面(mian)積，并與頻(pin)(pin)(pin)率(lv)成(cheng)線性關(guan)系(xi)，即Ph=f∮BdH（7）這里(li)，∮BdH等于(yu)蕞大磁通(tong)B下測得(de)的(de)(de)(de)(de)直(zhi)流(liu)(liu)磁滯(zhi)(zhi)回(hui)線的(de)(de)(de)(de)等值(zhi)能。對(dui)于(yu)工(gong)(gong)作在頻(pin)(pin)(pin)率(lv)100khz以下的(de)(de)(de)(de)功率(lv)鐵氧體(ti)磁芯，降(jiang)低(di)(di)(di)磁滯(zhi)(zhi)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)是(shi)蕞重要(yao)(yao)的(de)(de)(de)(de)。為獲(huo)得(de)低(di)(di)(di)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)，要(yao)(yao)選(xuan)擇鐵氧體(ti)成(cheng)分具有蕞小矯頑力(li)Hc和(he)蕞小各(ge)向異(yi)(yi)性常(chang)(chang)數K，理想情況(kuang)是(shi)各(ge)向異(yi)(yi)性補償點（即K≈0）位(wei)于(yu)變(bian)壓(ya)器(qi)(qi)工(gong)(gong)作溫度（約80～100℃）。另外(wai)，此成(cheng)分應有低(di)(di)(di)的(de)(de)(de)(de)磁致伸縮(suo)常(chang)(chang)數λ，工(gong)(gong)藝上要(yao)(yao)避(bi)免內外(wai)應力(li)和(he)夾雜物。采用大而均勻(yun)晶粒(li)(li)是(shi)有利的(de)(de)(de)(de)，因(yin)為Hc∞D-1(D是(shi)晶粒(li)(li)尺(chi)寸)。關(guan)于(yu)渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)Pe可用下式(shi)表示(shi)(shi)：Pe=Cef2B2/ρ（8）這里(li)，Ce是(shi)尺(chi)寸常(chang)(chang)數，ρ是(shi)在測量頻(pin)(pin)(pin)率(lv)f時的(de)(de)(de)(de)電(dian)阻(zu)(zu)率(lv)。隨(sui)著開關(guan)電(dian)源小型化(hua)和(he)工(gong)(gong)作頻(pin)(pin)(pin)率(lv)的(de)(de)(de)(de)提(ti)高(gao)，由于(yu)Pe∞f2，因(yin)而降(jiang)低(di)(di)(di)渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)對(dui)高(gao)頻(pin)(pin)(pin)電(dian)源變(bian)壓(ya)器(qi)(qi)更(geng)為重要(yao)(yao)。隨(sui)著頻(pin)(pin)(pin)率(lv)提(ti)高(gao)，渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)在總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)中所(suo)(suo)占比例(li)逐步增大，當(dang)工(gong)(gong)作頻(pin)(pin)(pin)率(lv)達200～500kHz時，渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)常(chang)(chang)常(chang)(chang)已占支(zhi)配地位(wei)。從圖7所(suo)(suo)示(shi)(shi)R2KB1材(cai)料(liao)磁芯總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)（包括磁滯(zhi)(zhi)和(he)渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)(hao)）與頻(pin)(pin)(pin)率(lv)關(guan)系(xi)實測曲(qu)線，可得(de)到證明。37. 電(dian)源變(bian)壓(ya)器(qi)(qi)的(de)(de)(de)(de)技術培訓和(he)人才儲備對(dui)保障(zhang)電(dian)力(li)供(gong)應和(he)技術支(zhi)持具有重要(yao)(yao)意義。江西三相電(dian)源變(bian)壓(ya)器(qi)(qi)訂做價格

23. 電(dian)源(yuan)變壓(ya)器(qi)的(de)節能技術應用可(ke)以減(jian)少其損耗和能源(yuan)浪費。浙江空調電(dian)源(yuan)變壓(ya)器(qi)哪家(jia)好

[2]電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)比較(jiao)編輯一(yi)(yi)(yi)、電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)(de)制(zhi)(zhi)作中(zhong)，線圈的(de)(de)(de)(de)機器(qi)(qi)(qi)繞(rao)(rao)(rao)制(zhi)(zhi)和手(shou)(shou)工(gong)繞(rao)(rao)(rao)制(zhi)(zhi)各(ge)(ge)有什(shen)么優(you)(you)(you)缺點?機器(qi)(qi)(qi)繞(rao)(rao)(rao)制(zhi)(zhi)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)(de)優(you)(you)(you)點是效率(lv)(lv)高且(qie)外觀成形(xing)漂亮，但(dan)(dan)繞(rao)(rao)(rao)制(zhi)(zhi)高個子小洞(dong)眼(yan)的(de)(de)(de)(de)環(huan)型(xing)(xing)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)卻比較(jiao)麻煩，而(er)且(qie)在(zai)(zai)絕緣(yuan)處理工(gong)藝的(de)(de)(de)(de)可(ke)靠性方(fang)面反(fan)不(bu)如手(shou)(shou)工(gong)繞(rao)(rao)(rao)制(zhi)(zhi)到位(wei)。手(shou)(shou)工(gong)繞(rao)(rao)(rao)制(zhi)(zhi)可(ke)以將變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)(de)漏(lou)磁做(zuo)(zuo)得非常小，其在(zai)(zai)繞(rao)(rao)(rao)制(zhi)(zhi)過程中(zhong)能(neng)針(zhen)對線圈匝數的(de)(de)(de)(de)布局隨時予以調整，所以真正的(de)(de)(de)(de)Hi–END變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)一(yi)(yi)(yi)定是純手(shou)(shou)工(gong)繞(rao)(rao)(rao)制(zhi)(zhi)，純手(shou)(shou)工(gong)繞(rao)(rao)(rao)制(zhi)(zhi)的(de)(de)(de)(de)缺點是效率(lv)(lv)低(di)、速度慢。二、環(huan)型(xing)(xing)、EI型(xing)(xing)、R型(xing)(xing)、C型(xing)(xing)幾種(zhong)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)哪(na)一(yi)(yi)(yi)種(zhong)好(hao)(hao)?它(ta)們(men)各(ge)(ge)有其優(you)(you)(you)缺點而(er)不(bu)存在(zai)(zai)誰(shui)好(hao)(hao)之說(shuo)(shuo)，所以嚴格來(lai)講哪(na)一(yi)(yi)(yi)種(zhong)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)都可(ke)以做(zuo)(zuo)得好(hao)(hao)。從結(jie)構上來(lai)講，環(huan)型(xing)(xing)能(neng)夠做(zuo)(zuo)到漏(lou)磁小，但(dan)(dan)聲音(yin)聽(ting)感(gan)方(fang)面EI型(xing)(xing)則可(ke)以把(ba)中(zhong)頻(pin)密度感(gan)做(zuo)(zuo)得更好(hao)(hao)一(yi)(yi)(yi)些。單就磁飽和而(er)言，EI型(xing)(xing)要(yao)比環(huan)型(xing)(xing)強，但(dan)(dan)在(zai)(zai)效率(lv)(lv)上則環(huan)型(xing)(xing)又(you)優(you)(you)(you)于EI型(xing)(xing)。盡管(guan)如此，其問(wen)(wen)題的(de)(de)(de)(de)關鍵還(huan)是在(zai)(zai)于你能(neng)不(bu)能(neng)揚長避短而(er)將它(ta)們(men)各(ge)(ge)自的(de)(de)(de)(de)優(you)(you)(you)點充分(fen)發揮出來(lai)，而(er)這(zhe)才(cai)是做(zuo)(zuo)好(hao)(hao)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)(de)根本。進口放大器(qi)(qi)(qi)中(zhong)，環(huan)型(xing)(xing)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)(de)應(ying)用仍然是主流(liu)，這(zhe)基(ji)本說(shuo)(shuo)明了一(yi)(yi)(yi)個問(wen)(wen)題。發燒友對電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)(de)評價要(yao)客觀公正，你不(bu)能(neng)拿(na)一(yi)(yi)(yi)個沒做(zuo)(zuo)好(hao)(hao)的(de)(de)(de)(de)東(dong)西作參考而(er)說(shuo)(shuo)它(ta)不(bu)好(hao)(hao)。有人說(shuo)(shuo)環(huan)型(xing)(xing)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)容易(yi)磁飽和。浙江空調電(dian)(dian)(dian)源(yuan)(yuan)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)哪(na)家好(hao)(hao)

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