如低矮形RM磁(ci)(ci)(ci)芯，PQ型(xing)磁(ci)(ci)(ci)芯等(deng)），，均(jun)(jun)可降低熱阻提高(gao)通(tong)過(guo)功率(lv)(lv)(lv)。7．磁(ci)(ci)(ci)芯總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)軟(ruan)磁(ci)(ci)(ci)鐵(tie)氧(yang)體(ti)磁(ci)(ci)(ci)芯總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)通(tong)常(chang)細分為(wei)三種類(lei)型(xing)：磁(ci)(ci)(ci)滯(zhi)(zhi)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)Ph、渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)Pe和(he)(he)剩(sheng)余損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)Pr。每種損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)貢獻的(de)(de)(de)(de)頻(pin)(pin)率(lv)(lv)(lv)范(fan)圍是不同(tong)的(de)(de)(de)(de)，磁(ci)(ci)(ci)滯(zhi)(zhi)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)正比于(yu)(yu)(yu)直流(liu)(liu)磁(ci)(ci)(ci)滯(zhi)(zhi)回線(xian)的(de)(de)(de)(de)面積，并(bing)與頻(pin)(pin)率(lv)(lv)(lv)成線(xian)性關(guan)系，即(ji)Ph=f∮BdH（7）這里，∮BdH等(deng)于(yu)(yu)(yu)蕞大(da)磁(ci)(ci)(ci)通(tong)B下(xia)(xia)測得的(de)(de)(de)(de)直流(liu)(liu)磁(ci)(ci)(ci)滯(zhi)(zhi)回線(xian)的(de)(de)(de)(de)等(deng)值能。對(dui)于(yu)(yu)(yu)工(gong)作在頻(pin)(pin)率(lv)(lv)(lv)100khz以下(xia)(xia)的(de)(de)(de)(de)功率(lv)(lv)(lv)鐵(tie)氧(yang)體(ti)磁(ci)(ci)(ci)芯，降低磁(ci)(ci)(ci)滯(zhi)(zhi)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)是蕞重(zhong)(zhong)要(yao)的(de)(de)(de)(de)。為(wei)獲得低損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)，要(yao)選擇(ze)鐵(tie)氧(yang)體(ti)成分具有蕞小矯(jiao)頑力Hc和(he)(he)蕞小各向異性常(chang)數(shu)K，理想(xiang)情況是各向異性補償點（即(ji)K≈0）位(wei)于(yu)(yu)(yu)變壓器工(gong)作溫度(du)（約80～100℃）。另外，此成分應有低的(de)(de)(de)(de)磁(ci)(ci)(ci)致伸縮常(chang)數(shu)λ，工(gong)藝上要(yao)避免內外應力和(he)(he)夾(jia)雜物(wu)。采用(yong)(yong)大(da)而均(jun)(jun)勻晶粒是有利的(de)(de)(de)(de)，因為(wei)Hc∞D-1(D是晶粒尺(chi)寸)。關(guan)于(yu)(yu)(yu)渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)Pe可用(yong)(yong)下(xia)(xia)式表示(shi)：Pe=Cef2B2/ρ（8）這里，Ce是尺(chi)寸常(chang)數(shu)，ρ是在測量(liang)頻(pin)(pin)率(lv)(lv)(lv)f時的(de)(de)(de)(de)電阻率(lv)(lv)(lv)。隨(sui)(sui)著(zhu)開關(guan)電源(yuan)小型(xing)化和(he)(he)工(gong)作頻(pin)(pin)率(lv)(lv)(lv)的(de)(de)(de)(de)提高(gao)，由于(yu)(yu)(yu)Pe∞f2，因而降低渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)對(dui)高(gao)頻(pin)(pin)電源(yuan)變壓器更為(wei)重(zhong)(zhong)要(yao)。隨(sui)(sui)著(zhu)頻(pin)(pin)率(lv)(lv)(lv)提高(gao)，渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)在總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)中所占(zhan)比例逐步(bu)增大(da)，當工(gong)作頻(pin)(pin)率(lv)(lv)(lv)達200～500kHz時，渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)常(chang)常(chang)已占(zhan)支配(pei)地位(wei)。從圖7所示(shi)R2KB1材料磁(ci)(ci)(ci)芯總損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)（包括磁(ci)(ci)(ci)滯(zhi)(zhi)和(he)(he)渦(wo)流(liu)(liu)損(sun)(sun)(sun)(sun)(sun)耗(hao)(hao)(hao)）與頻(pin)(pin)率(lv)(lv)(lv)關(guan)系實測曲線(xian)，可得到證明。42. 電源(yuan)變壓器的(de)(de)(de)(de)制造需(xu)要(yao)注重(zhong)(zhong)環境保護和(he)(he)資源(yuan)可持續利用(yong)(yong)。天津(jin)電源(yuan)變壓器訂做價格

電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)發(fa)(fa)(fa)生短路(lu)(lu)性故障后的(de)主要癥狀是發(fa)(fa)(fa)熱(re)嚴(yan)重(zhong)和(he)次(ci)級(ji)繞(rao)(rao)(rao)組(zu)(zu)輸出(chu)電(dian)(dian)(dian)壓(ya)(ya)失常(chang)。通常(chang)，線圈(quan)內(nei)部匝間(jian)短路(lu)(lu)點(dian)越(yue)多(duo)，短路(lu)(lu)電(dian)(dian)(dian)流(liu)(liu)就(jiu)越(yue)大，而變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)發(fa)(fa)(fa)熱(re)就(jiu)越(yue)嚴(yan)重(zhong)。檢測判斷電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)是否有(you)(you)(you)短路(lu)(lu)性故障的(de)簡單(dan)方(fang)(fang)(fang)法是測量空(kong)載(zai)電(dian)(dian)(dian)流(liu)(liu)（測試方(fang)(fang)(fang)法前面已經(jing)介紹(shao)）。存(cun)在(zai)短路(lu)(lu)故障的(de)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)，其(qi)空(kong)載(zai)電(dian)(dian)(dian)流(liu)(liu)值將遠大于滿載(zai)電(dian)(dian)(dian)流(liu)(liu)的(de)10%。當短路(lu)(lu)嚴(yan)重(zhong)時，變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)在(zai)空(kong)載(zai)加(jia)電(dian)(dian)(dian)后幾十(shi)秒鐘之(zhi)內(nei)便會(hui)迅速(su)發(fa)(fa)(fa)熱(re)，用(yong)(yong)手(shou)觸摸鐵(tie)(tie)芯(xin)會(hui)有(you)(you)(you)燙手(shou)的(de)感覺(jue)。此(ci)(ci)時不用(yong)(yong)測量空(kong)載(zai)電(dian)(dian)(dian)流(liu)(liu)便可斷定(ding)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)有(you)(you)(you)短路(lu)(lu)點(dian)存(cun)在(zai)。電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)識(shi)(shi)別(bie)編輯1）從(cong)外形(xing)(xing)識(shi)(shi)別(bie)常(chang)用(yong)(yong)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)的(de)鐵(tie)(tie)芯(xin)有(you)(you)(you)E形(xing)(xing)和(he)C形(xing)(xing)兩種(zhong)。E形(xing)(xing)鐵(tie)(tie)芯(xin)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)呈(cheng)殼(ke)式(shi)結(jie)構(gou)(gou)（鐵(tie)(tie)芯(xin)包裹(guo)線圈(quan)），采用(yong)(yong)D41、D42好(hao)的(de)硅(gui)(gui)鋼(gang)片(pian)作(zuo)鐵(tie)(tie)芯(xin)，應(ying)用(yong)(yong)廣。C形(xing)(xing)鐵(tie)(tie)芯(xin)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)用(yong)(yong)冷(leng)軋(ya)硅(gui)(gui)鋼(gang)帶(dai)作(zuo)鐵(tie)(tie)芯(xin)，磁漏小(xiao)，體積小(xiao)，呈(cheng)芯(xin)式(shi)結(jie)構(gou)(gou)（線圈(quan)包裹(guo)鐵(tie)(tie)芯(xin)）。2）從(cong)繞(rao)(rao)(rao)組(zu)(zu)引出(chu)端(duan)子數識(shi)(shi)別(bie)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)常(chang)見的(de)有(you)(you)(you)兩個(ge)繞(rao)(rao)(rao)組(zu)(zu)，即一(yi)個(ge)初(chu)級(ji)和(he)一(yi)個(ge)次(ci)級(ji)繞(rao)(rao)(rao)組(zu)(zu)，因(yin)此(ci)(ci)有(you)(you)(you)四個(ge)引出(chu)端(duan)。有(you)(you)(you)的(de)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)為防止交(jiao)流(liu)(liu)聲及其(qi)他(ta)干擾，初(chu)、次(ci)級(ji)繞(rao)(rao)(rao)組(zu)(zu)間(jian)往(wang)往(wang)加(jia)一(yi)屏蔽層(ceng)，其(qi)屏蔽層(ceng)是接(jie)地(di)端(duan)。因(yin)此(ci)(ci)，電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)接(jie)線端(duan)子至少是4個(ge)。3）從(cong)硅(gui)(gui)鋼(gang)片(pian)的(de)疊(die)片(pian)方(fang)(fang)(fang)式(shi)識(shi)(shi)別(bie)E形(xing)(xing)電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)的(de)硅(gui)(gui)鋼(gang)片(pian)是交(jiao)*插入的(de)，E片(pian)和(he)I片(pian)間(jian)不留(liu)空(kong)氣隙(xi)，整(zheng)個(ge)鐵(tie)(tie)芯(xin)嚴(yan)絲合(he)縫。福建(jian)單(dan)相電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)批發(fa)(fa)(fa)廠家40. 電(dian)(dian)(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)作(zuo)為電(dian)(dian)(dian)力系(xi)統(tong)的(de)重(zhong)要設備對經(jing)濟發(fa)(fa)(fa)展和(he)社(she)會(hui)進步具(ju)有(you)(you)(you)重(zhong)要推動(dong)作(zuo)用(yong)(yong)。

高(gao)頻電(dian)(dian)(dian)(dian)源(yuan)變壓器磁(ci)芯的(de)(de)設計(ji)(ji)原理(li)摘要：開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)正向高(gao)頻化(hua)發(fa)展，作為主(zhu)變壓器使(shi)用(yong)的(de)(de)軟磁(ci)鐵氧(yang)體磁(ci)芯，從材(cai)料(liao)性能、尺寸(cun)形狀等均(jun)應作相應改(gai)進。本文(wen)討論(lun)了(le)(le)磁(ci)芯設計(ji)(ji)中應考慮的(de)(de)通(tong)過功率、性能因子、熱(re)阻(zu)系數(shu)等參數(shu)，并提出(chu)(chu)了(le)(le)降低材(cai)料(liao)高(gao)頻損耗的(de)(de)微觀設計(ji)(ji)方法(fa)。1．引言電(dian)(dian)(dian)(dian)子信(xin)息產業的(de)(de)迅(xun)速(su)發(fa)展，對(dui)高(gao)頻開(kai)(kai)關(guan)式電(dian)(dian)(dian)(dian)源(yuan)不斷提出(chu)(chu)新(xin)的(de)(de)要求。據報導，全球開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)市(shi)場(chang)(chang)規模(mo)(mo)(mo)已超過100億美(mei)元(yuan)。通(tong)信(xin)、計(ji)(ji)算(suan)機和消(xiao)費電(dian)(dian)(dian)(dian)子是(shi)開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)的(de)(de)三大主(zhu)力市(shi)場(chang)(chang)。龐大的(de)(de)開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)市(shi)場(chang)(chang)主(zhu)要由AC/DC和DC/DC開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)兩(liang)部分組成。據預測(ce)，AC/DC開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)全球銷售收入(ru)將(jiang)從1999年(nian)(nian)的(de)(de)91億美(mei)元(yuan)增(zeng)(zeng)加(jia)到(dao)2004年(nian)(nian)的(de)(de)122億美(mei)元(yuan)，年(nian)(nian)平(ping)均(jun)增(zeng)(zeng)長(chang)(chang)率為。低功率的(de)(de)AC/DC（0～300W）將(jiang)面向增(zeng)(zeng)長(chang)(chang)平(ping)衡的(de)(de)消(xiao)費電(dian)(dian)(dian)(dian)子和計(ji)(ji)算(suan)機市(shi)場(chang)(chang)；大功率的(de)(de)AC/DC電(dian)(dian)(dian)(dian)源(yuan)（750～1500W）將(jiang)面向增(zeng)(zeng)長(chang)(chang)強勁的(de)(de)電(dian)(dian)(dian)(dian)信(xin)市(shi)場(chang)(chang)。DC/DC電(dian)(dian)(dian)(dian)源(yuan)約占整個開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)源(yuan)市(shi)場(chang)(chang)的(de)(de)30%，但計(ji)(ji)算(suan)機與通(tong)信(xin)技術(shu)的(de)(de)快速(su)融合，帶動了(le)(le)DC/DC模(mo)(mo)(mo)塊式電(dian)(dian)(dian)(dian)源(yuan)的(de)(de)迅(xun)速(su)增(zeng)(zeng)長(chang)(chang)，預計(ji)(ji)今后幾年(nian)(nian)，DC/DC電(dian)(dian)(dian)(dian)源(yuan)模(mo)(mo)(mo)塊增(zeng)(zeng)長(chang)(chang)速(su)度(du)將(jiang)超過AC/DC電(dian)(dian)(dian)(dian)源(yuan)，如(ru)有人估計(ji)(ji)，中國今后五(wu)年(nian)(nian)，DC/DC電(dian)(dian)(dian)(dian)源(yuan)模(mo)(mo)(mo)塊市(shi)場(chang)(chang)年(nian)(nian)增(zeng)(zeng)長(chang)(chang)將(jiang)達15%，增(zeng)(zeng)長(chang)(chang)主(zhu)要是(shi)在電(dian)(dian)(dian)(dian)信(xin)部門。開(kai)(kai)關(guan)式電(dian)(dian)(dian)(dian)源(yuan)技術(shu)發(fa)展趨勢(shi)是(shi)高(gao)密度(du)、高(gao)效率、低噪聲，以及表面貼裝(zhuang)化(hua)。無論(lun)是(shi)AC/DC或DC/DC電(dian)(dian)(dian)(dian)源(yuan)，除(chu)了(le)(le)功率晶體管外。

b.燃氣(qi)(qi)壓(ya)(ya)(ya)力過(guo)高或過(guo)低,使(shi)用鋼瓶氣(qi)(qi)的(de)(de)(de)(de)(de)熱水(shui)器(qi)(qi)會(hui)出現(xian)鋼瓶減壓(ya)(ya)(ya)閥(fa)(fa)輸出壓(ya)(ya)(ya)力過(guo)高或過(guo)低使(shi)用熱水(shui)器(qi)(qi)不(bu)(bu)能(neng)(neng)(neng)打著(zhu)火(huo)(huo)(huo);c.電(dian)磁(ci)閥(fa)(fa)有(you)(you)(you)臟物。電(dian)磁(ci)閥(fa)(fa)不(bu)(bu)能(neng)(neng)(neng)過(guo)氣(qi)(qi),燃氣(qi)(qi)(天燃氣(qi)(qi)、液(ye)化(hua)石(shi)油氣(qi)(qi)、人工煤氣(qi)(qi))就(jiu)不(bu)(bu)能(neng)(neng)(neng)出來,不(bu)(bu)能(neng)(neng)(neng)出來,以致(zhi)點(dian)不(bu)(bu)著(zhu)火(huo)(huo)(huo)。在確認電(dian)磁(ci)閥(fa)(fa)好壞(huai)之前(qian)要確認點(dian)火(huo)(huo)(huo)器(qi)(qi)控(kong)(kong)(kong)制(zhi)(zhi)電(dian)路(lu)是否正常(chang),若有(you)(you)(you)故障,不(bu)(bu)能(neng)(neng)(neng)控(kong)(kong)(kong)制(zhi)(zhi)電(dian)磁(ci)閥(fa)(fa)吸(xi)合。3、點(dian)火(huo)(huo)(huo)器(qi)(qi)故障:脈沖點(dian)火(huo)(huo)(huo)器(qi)(qi)和控(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)有(you)(you)(you)一(yi)方有(you)(you)(you)故障,熱水(shui)器(qi)(qi)均不(bu)(bu)能(neng)(neng)(neng)正常(chang)點(dian)火(huo)(huo)(huo)。4、點(dian)火(huo)(huo)(huo)針(zhen)或感應(ying)針(zhen)問題:a.點(dian)火(huo)(huo)(huo)針(zhen)偏位或老化(hua)時點(dian)火(huo)(huo)(huo)十分困難,可(ke)更換(huan)或將點(dian)火(huo)(huo)(huo)針(zhen)正確安放;3知道的(de)(de)(de)(de)(de)說(shuo)說(shuo)熱水(shui)器(qi)(qi)異響(xiang)什(shen)么(me)(me)原因什(shen)么(me)(me)樣的(de)(de)(de)(de)(de)聲(sheng)音,是滴滴的(de)(de)(de)(de)(de)響(xiang),還是轟(hong)轟(hong)的(de)(de)(de)(de)(de)響(xiang),還是咔咔的(de)(de)(de)(de)(de)響(xiang)。你(ni)要說(shuo)清(qing)楚(chu)什(shen)么(me)(me)樣的(de)(de)(de)(de)(de)聲(sheng)音才能(neng)(neng)(neng)準(zhun)確的(de)(de)(de)(de)(de)回答你(ni)。水(shui)壓(ya)(ya)(ya)大了會(hui)產生(sheng)(sheng)聲(sheng)音,解決辦法把水(shui)關(guan)小(xiao)。燃氣(qi)(qi)壓(ya)(ya)(ya)力太高也會(hui)產生(sheng)(sheng)聲(sheng)音,強(qiang)排的(de)(de)(de)(de)(de)風機壞(huai)了也會(hui)產生(sheng)(sheng)聲(sheng)音!希望我的(de)(de)(de)(de)(de)回答對你(ni)有(you)(you)(you)所幫助!4門禁(jin)(jin)(jin)(jin)開關(guan)電(dian)源(yuan)原理(li)(li)什(shen)么(me)(me)門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong)，又(you)稱出入管理(li)(li)控(kong)(kong)(kong)制(zhi)(zhi)系(xi)(xi)(xi)統(tong)，是一(yi)種管理(li)(li)人員(yuan)進出的(de)(de)(de)(de)(de)數(shu)(shu)字化(hua)管理(li)(li)系(xi)(xi)(xi)統(tong)。常(chang)見的(de)(de)(de)(de)(de)門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong)有(you)(you)(you)：密(mi)碼門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong)，非接觸IC卡(感應(ying)式IC卡)門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong)，指紋(wen)虹(hong)膜掌型生(sheng)(sheng)物識(shi)別門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong)等(deng)的(de)(de)(de)(de)(de)總稱。密(mi)碼門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong)由于其本身(shen)的(de)(de)(de)(de)(de)安全性(xing)弱和便捷性(xing)差(cha)已(yi)經(jing)面臨淘汰，生(sheng)(sheng)物識(shi)別門禁(jin)(jin)(jin)(jin)門禁(jin)(jin)(jin)(jin)系(xi)(xi)(xi)統(tong),又(you)稱出入管理(li)(li)控(kong)(kong)(kong)制(zhi)(zhi)系(xi)(xi)(xi)統(tong),是一(yi)種管理(li)(li)人員(yuan)進出的(de)(de)(de)(de)(de)數(shu)(shu)字化(hua)管理(li)(li)系(xi)(xi)(xi)統(tong)。6. 電(dian)源(yuan)變壓(ya)(ya)(ya)器(qi)(qi)可(ke)以通過(guo)改(gai)變主線圈(quan)的(de)(de)(de)(de)(de)匝數(shu)(shu)比來實現(xian)不(bu)(bu)同電(dian)壓(ya)(ya)(ya)等(deng)級之間的(de)(de)(de)(de)(de)轉換(huan)。

估計電(dian)(dian)(dian)(dian)(dian)壓(ya)有(you)(you)6V左(zuo)右(you)(you))，另一根(gen)線經半波(bo)(bo)整流及(ji)100μF/35V電(dian)(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)(dian)容(rong)濾波(bo)(bo)后為顯示(shi)屏及(ji)電(dian)(dian)(dian)(dian)(dian)子開關電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(估計電(dian)(dian)(dian)(dian)(dian)壓(ya)有(you)(you)+30V左(zuo)右(you)(you)。這一點和常(chang)見的(de)(de)(de)(de)-30V供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)不(bu)(bu)(bu)同)，剩(sheng)下(xia)(xia)的(de)(de)(de)(de)那根(gen)線為公(gong)用(yong)接地線。筆(bi)者選用(yong)華爭牌音(yin)(yin)響(xiang)(xiang)專yong150W開關電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)板(ban)進行(xing)代(dai)換。該電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)輸(shu)(shu)出(chu)(chu)的(de)(de)(de)(de)主(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)壓(ya)能(neng)從±22V到±32V調整，還有(you)(you)一路(lu)(lu)812V的(de)(de)(de)(de)副(fu)電(dian)(dian)(dian)(dian)(dian)壓(ya)備用(yong)。代(dai)換時，首(shou)先拆(chai)除原機變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)，將開關電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)上的(de)(de)(de)(de)主(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)壓(ya)輸(shu)(shu)出(chu)(chu)端與(yu)功放板(ban)的(de)(de)(de)(de)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)端對應相連(lian)。然后從開關電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)主(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)壓(ya)輸(shu)(shu)出(chu)(chu)正端接一開關電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)有(you)(you)響(xiang)(xiang)聲(sheng)這和變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)里的(de)(de)(de)(de)硅(gui)(gui)鋼不(bu)(bu)(bu)好是沒有(you)(you)太大關系的(de)(de)(de)(de)。變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)聲(sheng)音(yin)(yin)異常(chang)無外乎以下(xia)(xia)幾點：1，當有(you)(you)大容(rong)量的(de)(de)(de)(de)動力設(she)備起動時，負(fu)(fu)荷變(bian)(bian)(bian)化大，使(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)聲(sheng)音(yin)(yin)增大。如(ru)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)帶有(you)(you)電(dian)(dian)(dian)(dian)(dian)弧(hu)爐、可控硅(gui)(gui)整流器(qi)(qi)(qi)(qi)等負(fu)(fu)荷時，由于有(you)(you)諧波(bo)(bo)分量，所以變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)聲(sheng)音(yin)(yin)也會變(bian)(bian)(bian)大。2，過(guo)(guo)負(fu)(fu)荷：使(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)發(fa)(fa)出(chu)(chu)很高(gao)而(er)且沉重的(de)(de)(de)(de)“嗡(weng)嗡(weng)”聲(sheng)。3，個別零件(jian)松(song)動：如(ru)鐵(tie)芯的(de)(de)(de)(de)穿(chuan)芯螺絲夾(jia)得(de)不(bu)(bu)(bu)緊，使(shi)(shi)(shi)鐵(tie)芯松(song)動，變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)發(fa)(fa)出(chu)(chu)發(fa)(fa)出(chu)(chu)強烈而(er)不(bu)(bu)(bu)均(jun)勻的(de)(de)(de)(de)“噪(zao)音(yin)(yin)”。4，內部接觸不(bu)(bu)(bu)良(liang)，或絕緣有(you)(you)擊(ji)穿(chuan)，變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)發(fa)(fa)出(chu)(chu)放電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)“劈啪”聲(sheng)。5，系統發(fa)(fa)生鐵(tie)磁諧振(zhen)時，變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)發(fa)(fa)出(chu)(chu)粗細不(bu)(bu)(bu)勻的(de)(de)(de)(de)噪(zao)音(yin)(yin)。6，系統短路(lu)(lu)或接地，通(tong)過(guo)(guo)很大的(de)(de)(de)(de)短路(lu)(lu)電(dian)(dian)(dian)(dian)(dian)流，使(shi)(shi)(shi)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)發(fa)(fa)出(chu)(chu)很大的(de)(de)(de)(de)噪(zao)音(yin)(yin)。10. 電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)廣泛應用(yong)于電(dian)(dian)(dian)(dian)(dian)力系統、工業生產、建(jian)筑設(she)備和通(tong)信等領域。江蘇單相電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)變(bian)(bian)(bian)壓(ya)器(qi)(qi)(qi)(qi)聯(lian)系方(fang)式

2. 電(dian)源變壓器通過電(dian)磁感應原理實現電(dian)能的傳輸和轉(zhuan)換。天(tian)津電(dian)源變壓器訂做(zuo)價格

這邊就(jiu)簡單的(de)介紹以下這些：1、按(an)(an)冷(leng)卻方(fang)式(shi)(shi)分類：有(you)自然冷(leng)式(shi)(shi)、風(feng)(feng)冷(leng)式(shi)(shi)、水冷(leng)式(shi)(shi)、強迫油循環(huan)風(feng)(feng)（水）冷(leng)方(fang)式(shi)(shi)、及水內冷(leng)式(shi)(shi)等。2、按(an)(an)防潮方(fang)式(shi)(shi)分類：開(kai)放式(shi)(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、灌(guan)封式(shi)(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、密封式(shi)(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)。3、按(an)(an)鐵(tie)芯(xin)或線(xian)圈(quan)結(jie)構分類：芯(xin)式(shi)(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)（插(cha)片鐵(tie)芯(xin)、C型(xing)鐵(tie)芯(xin)、鐵(tie)氧(yang)(yang)體鐵(tie)芯(xin)）、殼式(shi)(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)（插(cha)片鐵(tie)芯(xin)、C型(xing)鐵(tie)芯(xin)、鐵(tie)氧(yang)(yang)體鐵(tie)芯(xin)）、環(huan)型(xing)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、金屬箔變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、輻射式(shi)(shi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)等。4、按(an)(an)電(dian)源(yuan)(yuan)相數分類：單相變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、三相變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、多相變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)。5、按(an)(an)用途分類：有(you)電(dian)力變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、特種變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)（電(dian)爐變(bian)(bian)(bian)(bian)、整(zheng)流變(bian)(bian)(bian)(bian)、工頻試(shi)驗變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、調壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、礦用變(bian)(bian)(bian)(bian)、音頻變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、中頻變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、高(gao)頻變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、沖擊變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、儀用變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、電(dian)子(zi)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、電(dian)抗器(qi)(qi)(qi)(qi)(qi)(qi)(qi)、互感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)等）。6、按(an)(an)冷(leng)卻請高(gao)手(shou)指點：開(kai)關電(dian)源(yuan)(yuan)能代替隔離變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)嗎不能一概而(er)論，看你用什么開(kai)關電(dian)源(yuan)(yuan)。串(chuan)聯(lian)型(xing)的(de)不能代替。并(bing)聯(lian)型(xing)的(de)可(ke)以。還(huan)有(you)就(jiu)是電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)和功率要能支持負載。天津電(dian)源(yuan)(yuan)變(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)訂做價格

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