澳门足彩

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一、开关变压器的工作原理 :


开关电源就是用通过电路控制开关管进行高速的道通与截止。 

JIANGZHILIUDIANZHUANHUAWEIGAOPINLVDEJIAOLIUDIANTIGONGJIBIANYAQIJINXINGBIANYA,CONGERCHANSHENGSUOXUYAODEYIZUHUODUOZUDIANYA!ZHUANHUAWEIGAOPINJIAOLIUDIANDEYUANYINSHIGAOPINJIAOLIUZAIBIANYAQIBIANYADIANLUZHONGDEXIAOLVYAOBI50HZGAOHENDUO.SUOYIKAIGUANBIANYAQIKEYIZUODEHENXIAO,ERQIEGONGZUOSHIBUSHIHENRE!!CHENGBENHENDI.RUGUOBUJIANG50HZBIANWEIGAOPINNEIKAIGUANDIANYUANJIUMEIYOUYI 

KAIGUANDIANYUANDEGONGZUOLIUCHENGSHI: 

    电源→输入滤波器→全桥整流→直流滤波→开关管(振荡逆变)→开关变压器→输出整流与滤波。 

澳门足彩1. JIAOLIUDIANYUANSHURUJINGZHENGLIULVBOCHENGZHILIU  

澳门足彩2. TONGGUOGAOPINPWM(MAICHONGKUANDUDIAOZHI)XINHAOKONGZHIKAIGUANGUAN,JIANGNEIGEZHILIUJIADAOKAIGUANBIANYAQICHUJISHANG  3. KAIGUANBIANYAQICIJIGANYINGCHUGAOPINDIANYA,JINGZHENGLIULVBOGONGJIFUZAI  

4. SHUCHUBUFENTONGGUOYIDINGDEDIANLUFANKUIJIKONGZHIDIANLU,KONGZHIPWMZHANKONGBI,YIDADAOWENDINGSHUCHUDEMUDE  

JIAOLIUDIANYUANSHURUSHIYIBANYAOJINGGUOELIUQUANYILEIDEDONGXI,GUOLVDIAODIANWANGSHANGDEGANRAO,TONGSHIYEGUOLVDIAODIANYUANDUIDIANWANGDEGANRAO;  

澳门足彩ZAIGONGLVXIANGTONGSHI,KAIGUANPINLVYUEGAO,KAIGUANBIANYAQIDETIJIJIUYUEXIAO,DANDUIKAIGUANGUANDEYAOQIUJIUYUEGAO;  KAIGUANBIANYAQIDECIJIKEYIYOUDUOGERAOZUHUOYIGERAOZUYOUDUOGECHOUTOU,YIDEDAOXUYAODESHUCHU;  YIBANHAIYINGGAIZENGJIAYIXIEBAOHUDIANLU,BIRUKONGZAI、DUANLUDENGBAOHU,FOUZEKENENGHUISHAOHUIKAIGUANDIANYUAN.  ZHUYAOYONGYUGONGYEYIJIYIXIEJIAYONGDIANQISHANG,RUDIANSHIJI,DIANNAODENG  

KAIGUANDIANYUANYUANLITUFENXI

澳门足彩1、ZHENGJIDIANLU  

 

澳门足彩DIANLUDEGONGZUOGUOCHENG:  

澳门足彩a> KAIGUANSKAITONGHOU,BIANYAQIRAOZUN1LIANGDUANDEDIANYAWEISHANGZHENGXIAFU,YUQIOUHEDEN2RAOZULIANGDUANDEDIANYAYESHISHANGZHENGXIAFU.YINCIVD1CHUYUTONGTAI,VD2WEIDUANTAI,DIANGANLDEDIANLIUZHUJIANZENGZHANG;   

b> SGUANDUANHOU,DIANGANLTONGGUOVD2XULIU,VD1GUANDUAN.SGUANDUANHOUBIANYAQIDEJICIDIANLIUJINGN3RAOZUHEVD3LIUHUIDIANYUAN,SUOYISGUANDUANHOUCHENGSHOUDEDIANYAWEI .   

澳门足彩c> BIANYAQIDECIXINFUWEI:KAIGUANSKAITONGHOU,BIANYAQIDEJICIDIANLIUYOULINGKAISHI,SUIZHESHIJIANDEZENGJIAERXIANXINGDEZENGZHANG,ZHIDAOSGUANDUAN.WEIFANGZHIBIANYAQIDEJICIDIANGANBAOHE,BIXUSHEFASHIJICIDIANLIUZAISGUANDUANHOUDAOXIAYICIZAIKAITONGDEYIDUANSHIJIANNEIJIANGHUILING,ZHEIYIGUOCHENGCHENGWEIBIANYAQIDECIXINFUWEI. ZHENGJIDIANLUDELIXIANGHUABOXING:  

 

澳门足彩BIANYAQIDECIXINFUWEISHIJIANWEI:  Tist=N3*Ton/N1  

澳门足彩SHUCHUDIANYA:SHUCHULVBODIANGANDIANLIULIANXUDEQINGKUANGXIA:  Uo/Ui=N2*Ton/N1*T  CIXINFUWEIGUOCHENG:   

 

2、FANJIDIANLU  FANJIDIANLUYUANLITU

 

澳门足彩FANJIDIANLUZHONGDEBIANYAQIQIZHECHUNENGYUANJIANDEZUOYONG,KEYIKANZUOSHIYIDUIXIANGHUOUHEDEDIANGAN.   

澳门足彩GONGZUOGUOCHENG:   

澳门足彩SKAITONGHOU,VDCHUYUDUANTAI,N1RAOZUDEDIANLIUXIANXINGZENGZHANG,DIANGANCHUNENGZENGJIA;   

SGUANDUANHOU,N1RAOZUDEDIANLIUBEIQIEDUAN,BIANYAQIZHONGDECICHANGNENGLIANGTONGGUON2RAOZUHEVDXIANGSHUCHUDUANSHIFANG.SGUANDUANHOUDEDIANYAWEI:us=Ui+N1*Uo/N2   

澳门足彩FANJIDIANLUDEGONGZUOMOSHI:   

DIANLIULIANXUMOSHI:DANGSKAITONGSHI,N2RAOZUZHONGDEDIANLIUSHANGWEIXIAJIANGDAOLING.  SHUCHUDIANYAGUANXI:Uo/Ui=N2*ton/N1*toff  

DIANLIUDUANXUMOSHI:SKAITONGQIAN,N2RAOZUZHONGDEDIANLIUYIJINGXIAJIANGDAOLING.   

SHUCHUDIANYAGAOYUSHANGSHIDEJISUANZHI,BINGSUIFUZAIJIANXIAOERSHENGGAO,ZAIFUZAIWEILINGDEJIXIANQINGKUANGXIA, ,YINCIFANJIDIANLUBUYINGGONGZUOYUFUZAIKAILUZHUANGTAI.    

FANJIDIANLUDELIXIANGHUABOXING 

二、开关变压器的选择 :


JIUJINGSHICIFENXINHAO,HAISHITIEFENXINHAO?XIANGXINSHIXUDUOGONGCHENGSHIZAIJINXINGKAIGUANDIANYUANFANGANDESHEJIZHONGJINGCHANGPENGDAODEYIWEN。ZAIGAOGONGLVDIANGANDECIXINXUANZEWENTISHANG,CIXIN、FENXIN、TIEGUILVYIJITIEYANGTIZHONGDEXUANZEHEBIJIAOSHIGONGCHENGSHIJINGCHANGTANTAODEWENTI。SHICHANGSHANGGAOGONGLVDIANGANDECIXINXUANZEHAISHITINGDUODE,KEGONGXUANZEDEDIANGANCAILIAOYOU:TIEGUILV(KoolMμ)、TIEFENXIN、TIEGUI(GUIGANGDIEPIAN)、JIANXITIEYANGTI、MUPOMO(MPP)HEGAOCITONG (HighFlux)DENG。

小编极力推荐软磁铁氧体材料,由于具有价格低、适应性能和高频性能好等特点,而被广泛应用于开关电源中。  软磁铁氧体,常用的分为锰锌铁氧体和镍锌铁氧体两大系列,锰锌铁氧体的组成部分是FE2O3,MNCO3,ZNO,它主要应用在1MHZ以下的各类滤波器、电感器、变压器等,用途广泛。而镍锌铁氧体的组成部分是FE2O3,NIO,ZNO等,主要用于1MHZ以上的各种调感绕组、抗干扰磁珠、共用天线匹配器等。  在开关电源中应用最为广泛的是锰锌铁氧体磁心,而且视其用途不同,材料选择也不相同。用于电源输入滤波器部分的磁心多为高导磁率磁心,其材料牌号多为R4K~R10K,即相对磁导率为4000~10000左右的铁氧体磁心,而用于主变压器、输出滤波器等多为高饱和磁通密度的磁性材料,其BS为0.5T(即5000GS)左右。  开关电源用铁氧体磁性材应满足以下要求:  

澳门足彩(1)JUYOUJIAOGAODEBAOHECITONGMIDUBSHEJIAODIDESHENGYUCITONGMIDUBR:

CITONGMIDUBSDEGAODI,DUIYUBIANYAQIHERAOZHIJIEGUOYOUYIDINGYINGXIANG。CONGLILUNSHANGJIANG,BSGAO,BIANYAQIDERAOZUZASHUKEYIJIANXIAO,TONGSUNYESUIZHIJIANXIAO。  

澳门足彩ZAISHIJIYINGYONGZHONG,KAIGUANDIANYUANGAOPINBIANHUANQIDEDIANLUXINGSHIHENDUO,DUIYUBIANYAQIERYAN,QIGONGZUOXINGSHIKEFENWEILIANGDALEI:  

1)SHUANGJIXING。DIANLUWEIBANQIAO、QUANQIAO、TUIWANDENG。BIANYAQIYICIRAOZULIZHENGFUBANZHOULICIDIANLIU

DAXIAOXIANGDENG,FANGXIANGXIANGFAN,YINCIDUIYUBIANYAQICIXINLIDECITONGBIANHUA,YESHIDUICHENGDESHANGXIAYIDONG,BDEZUIDABIANHUAFANWEIWEI△B=2BM,CIXINZHONGDEZHILIUFENLIANGJIBENDIXIAO。  

2)DANJIXING。DIANLUWEIDANDUANZHENGJI、DANDUANFANJIDENG,BIANYAQIYICIRAOZUZAI1GEZHOUQINEIJIASHANG1GEDANXIANGDEFANGBOMAICHONGDIANYA(DANDUANFANJISHIRUCI)。BIANYAQICIXINDANXIANGLICI,CITONGMIDUZAIZUIDAZHIBMDAOSHENGYUCITONGMIDUBRZHIJIANBIANHUA,JIANTU7,ZHEISHIDE△B=BM-BR,RUOJIANXIAOBR,ZENGDABAOHECITONGMIDUBS,KEYITIGAO△B,JIANGDIZASHU,JIANXIAOTONGHAO。 

澳门足彩 (2)ZAIGAOPINXIAJUYOUJIAODIDEGONGLVSUNHAO:

TIEYANGTIDEGONGLVSUNHAO,BUJINYINGXIANGDIANYUANSHUCHUXIAOLV,TONGSHIHUIDAOZHICIXINFARE,BOXINGJIBIANDENGBULIANGHOUGUO。  

澳门足彩BIANYAQIDEFAREWENTI,ZAISHIJIYINGYONGZHONGJIWEIPUBIAN,TAZHUYAOSHIYOUBIANYAQIDETONGSUNHECIXINSUNHAOYINQIDE。RUGUOZAISHEJIBIANYAQISHI,BMXUANZEGUODI,RAOZUZASHUGUODUO,JIUHUIDAOZHIRAOZUFARE,BINGTONGSHIXIANGCIXINCHUANSHURELIANG,SHICIXINFARE。FANZHI,RUOCIXINFAREWEIZHUTI,YEHUIDAOZHIRAOZUFARE。  

XUANZETIEYANGTICAILIAOSHI,YAOQIUGONGLVSUNHAOSUIWENDUDEBIANHUACHENGFUWENDUXISHUGUANXI。ZHEISHIYINWEI,JIARUCIXINSUNHAOWEIFAREZHUTI,SHIBIANYAQIWENDUSHANGSHENG,ERWENDUSHANGSHENGYOUDAOZHICIXINSUNHAOJINYIBUZENGDA,CONGERXINGCHENGEXINGXUNHUAN,ZUIZHONGJIANGSHIGONGLVGUANHEBIANYAQIJIQITAYIXIEYUANJIANSHAOHUI。YINCIGUONEIWAIZAIYANZHIGONGLVTIEYANGTISHI,BIXUJIEJUECIXINGCAILIAOBENSHENGONGLVSUNHAOFUWENDUXISHUWENTI,ZHEIYESHIDIANYUANYONGCIXINGCAILIAODEYIGEXIANZHUTEDIAN,RIBENTDKGONGSIDEPC40JIGUOCHANDER2KBDENGCAILIAOJUNNENGMANZUZHEIYIYAOQIU。  (3)SHIZHONGDECIDAOLV:

XIANGDUICIDAOLVJIUJINGXUANQUDUOSHAOHESHINI?ZHEIYAOGENJUSHIJIXIANLUDEKAIGUANPINLVLAIJUEDING,YIBANXIANGDUICIDAOLVWEI2000DECAILIAO,QISHIYONGPINLVZAI300KHZYIXIA,YOUSHIYEKEYIGAOXIE,DANZUIGAOBUNENGGAOYU500KHZ。DUIYUGAOYUZHEIYIPINDUANDECAILIAO,YINGXUANZECIDAOLVPIANDIYIDIANDECIXINGCAILIAO,YIBANWEI1300ZUOYOU。  

(4)JIAOGAODEJULIWENDU:

澳门足彩JULIWENDUSHIBIAOSHICIXINGCAILIAOSHIQUCITEXINGDEWENDU,YIBANCAILIAODEJULIWENDUZAI200℃YISHANG,DANSHIBIANYAQIDESHIJIGONGZUOWENDUBUYINGGAOYU80℃,ZHEISHIYINWEIZAI100℃YISHANGSHI,QIBAOHECITONGMIDUBSYIDIEZHICHANGWENSHIDE70%。YINCIGUOGAODEGONGZUOWENDUHUISHICIXINDEBAOHECITONGMIDUDIELUODEGENGYANZHONG。ZAIZHE,DANGGAOYU100℃SHI,QIGONGHAOYIJINGCHENGZHENGWENDUXISHU,HUIDAOZHIEXINGXUNHUAN。DUIYUR2KB2CAILIAO,QIYUNXUGONGHAODUIYINGDEWENDUYIJINGDADAO110℃,JULIWENDUGAODA240℃,MANZUGAOWENSHIYONGYAOQIU。


三、开关变压器的设计 :


澳门足彩SHEJIQIANYINGQUEDINGXIALIEJIBENTIAOJIAN:DIANLUXINGSHI,KAIGUANGONGZUOPINLV,BIANYAQISHURUDIANYAFUZHI,KAIGUANGONGLVGUANZUIDADAOTONGSHIJIAN,BIANYAQISHUCHUDIANYADIANLIU,SHUCHUCEZHENGLIUDIANLUXINGSHI,DUILOUGANJIFENBUDIANRONGDEYAOQIU,GONGZUOHUANJINGTIAOJIANDENG。  

(1)QUEDINGCIXINCHICUN  

1)QIUBIANYAQIJISUANGONGLVPT  

澳门足彩PTDEDAXIAOQUJUEYUBIANYAQISHUCHUGONGLVJISHUCHUCEZHENGLIUDIANLUXINGSHI:  

澳门足彩QUANQIAODIANLU,QIAOSHIZHENGLIU:PT=(1+1/N)PO BANQIAODIANLU,SHUANGBANBOZHENGLIU:PT=(1/N+)PO TUIWANDIANLU,SHUANGBANBOZHENGLIU:PT=(/N+)POSHIZHONG:PO=UOIO,ZHILIUSHUCHUGONGLV。PTKEZAI(2~2.8)POFANWEINEIBIANHUA,POJIPTJUNYIWA(W)WEIDANWEI。N=N1/N2,BIANYAZASHUBI。 

澳门足彩 2)QUEDINGCITONGMIDUBM

BMYUCIXINDECAILIAO、JIEGOUXINGSHIJIGONGZUOPINLVDENGYINSUYOUGUAN,YOUYAOKAOLVWENSHENGJICIXINBUBAOHEDENGYAOQIU。DUIYUTIEYANGTICIXINDUOCAIYONG0.3T(TESILA)ZUOYOU。 

澳门足彩 3)JISUANCIXINMIANJICHENGJISP  

SPDENGYUCIXINJIEMIANJISC(CM2)JICHUANGKOUJIEMIANJISO(CM2)DECHENGJI,JI  SP=SCSO=[(PT×104)/4BMFKWKJ]1.16(CM4) SHIZHONG:KW——CHUANGKOUZHANKONGXISHU,YUDAOXIANCUXI、RAOZHIGONGYIJILOUGANHEFENBUDIANRONGDEYAOQIUDENGYOUGUAN。YIBANDIYADIANYUANBIANYAQIQUKW=0.2~0.4。  

KJ——DIANLIUMIDUXISHU,YUTIEXINXINGSHI、WENSHENGYAOQIUDENGYOUGUAN。DUIYUCHANGYONGDEEXINGCIXIN,DANGWENSHENGYAOQIUWEI25℃SHI,KJ=366;YAOQIU50℃SHI,KJ=534。HUANXINGCIXIN,DANGWENSHENGYAOQIUWEI25℃SHI,KJ=250;YAOQIU50℃SHI,KJ=365。  

YOUSPZHIXUANZESHIYONGYUHUOJIEJINYUSPDECIXINGCAILIAO、JIEGOUXINGSHIHECIXINGUIGE。  

(2)JISUANRAOZUZASHU  

1)YICIRAOZUZASHU:N1=(UP1TON×10-2)/2BMSC(ZA)  SHIZHONG:UP1——YICIRAOZUSHURUDIANYAFUZHI(V)  TON——YICIRAOZUSHURUDIANYAMAICHONGKUANDU(ΜS)  

2)ERCIRAOZUZASHU:N2=(UP2N1)/UP1(ZA) ……NI=(UPIN1)/UP1(ZA)  SHIZHONG:UP2…UPI——ERCIRAOZUSHUCHUDIANYAFUZHI(V)  

(3)XUANZERAOZUDAOXIAN  

DAOXIANJIEMIANJISMI=II/J(MM2)  

SHIZHONG:II——GERAOZUDIANLIUYOUXIAOZHI(A)  J——DIANLIUMIDU  

澳门足彩J=KJSP-0.14×10-2(A/MM2)  

(4)SUNHAOJISUAN  

澳门足彩1)RAOZUTONGSUNPMI=II2RAI(W)  

澳门足彩SHIZHONG:RAI——GERAOZUJIAOLIUDIANZU(Ω),RA=KRRD,RD——DAOXIANZHILIUDIANZU,KR——QUBIAOXISHU,KR=(D/2)2/(D-△)·△,D——YUANDAOXIAN,ZHIJING(MM),△——CHUANTOUSHENDU(MM),YUANTONGDAOXIAN△=66.1/F0.5(F:DIANLIUPINLV,HZ)  BIANYAQIWEIDUORAOZUSHI,ZONGTONGSUNWEI      PM= II2RAI(W)  2)CIXINSUNHAOPC=PCOGC  

澳门足彩SHIZHONG:PCO——ZAIGONGZUOPINLVJIGONGZUOCITONGMIDUQINGKUANGXIADANWEIZHILIANGDECIXINSUNHAO(W/KG)  GC——CIXINZHILIANG(KG)  

澳门足彩3)BIANYAQIZONGSUNHAOPZ=PM+PC(W) 

(5)WENSHENGJISUAN  

BIANYAQIYOUYUSUNHAOZHUANBIANCHENGRELIANG,SHIBIANYAQIWENDUSHANGSHENG,QIWENSHENGSHUZHIYUBIANYAQIBIAOMIANJISTYOUGUANST=  

SHIZHONG:SP——CIXINMIANJICHENGJI(CM4)  

KS——BIAOMIANJIXISHU,EXINGCIXINKS=41.3,HUANXINGCIXINKS=50.9  5.2DANJIXINGKAIGUANDIANYUANBIANYAQIDEJISUAN  

SHEJIQIANYINGQUEDINGXIALIEJIBENTIAOJIAN:DIANLUXINGSHI,GONGZUOPINLV,BIANHUANQISHURUZUIGAOHEZUIDIDIANYA,SHUCHUDIANYADIANLIU,KAIGUANGUANZUIDADAOTONGSHIJIAN,DUILOUGANJIFENBUDIANRONGDEYAOQIU,GONGZUOHUANJINGTIAOJIANDENG。  

(1)DANDUANFANJISHIJISUAN  

澳门足彩1)BIANYAQISHURUSHUCHUDIANYA

YICIRAOZUSHURUDIANYAFUZHIUP1=UI-△U1  SHIZHONG:UI——BIANHUANQISHURUZHILIUDIANYA(V)  △U1——KAIGUANGUANJIXIANLUYAJIANG(V)  

ERCIRAOZUSHUCHUDIANYAFUZHIUP2=U02+△U2……UPI=U0I+△UI  SHIZHONG:U02…U0I——ZHILIUSHUCHUDIANYA(V)  △U2…△UI——ZHENGLIUGUANJIXIANLUYAJIANG(V)  

2)YICIRAOZUDIANGANLINJIEZHI(H)  

SHIZHONG:N——BIANYAQIZASHUBIN=TONUP1/TOFFUP2  TON——EDINGSHURUDIANYASHIKAIGUANGUANDAOTONGSHIJIAN(ΜS)  TOFF——KAIGUANGUANJIEZHISHIJIAN(ΜS)  

T——KAIGUANDIANYUANGONGZUOZHOUQI(ΜS),T=1/F,F:GONGZUOPINLV(HZ)  PO——BIANYAQISHUCHUZHILIUGONGLV(W)  

澳门足彩TONGCHANGYAOQIUYICIRAOZUSHIJIDIANGANLP1≥LMIN  

3)QUEDINGGONGZUOCITONGMIDU  

澳门足彩DANDUANFANJISHIBIANYAQIGONGZUOZAIDANXIANGMAICHONGZHUANGTAI,YIBANQUBAOHECITONGMIDUZHI(BS)DEYIBAN,JIMAICHONGCITONGMIDUZENGLIANG△BM=BS/2(T)  

4)JISUANCIXINMIANJICHENGJI  

    SP=392LP1IP1D12/△BM(CM4)  

澳门足彩SHIZHONG:IP1——YICIRAOZUFENGZHIDIANLIUIP1=2PO/UP1MINDMAX(A)  SHIZHONG:UP1MIN——BIANYAQISHURUZUIDIDIANYAFUZHI(V)  

DMAX——ZUIDAZHANKONGBI,DMAX=TONMAX/TD1——YICIRAOZUDAOXIANZHIJING(MM),YOUYICIRAOZUDIANLIUYOUXIAOZHII1QUEDING,DANXIANGMAICHONGSHII1=IP1(TON/T)0.5  

5)KONGQIXIZHANGDU  

    LG=0.4∏LP1IP12/△BM2SC(CM) 

 6)RAOZUZASHUJISUAN  

YICIRAOZU,YOUQIXISHIN1=△BMLG×104/0.4∏IP1(ZA)WUQIXISHI(ZA)  SHIZHONG:LC——CIXINCILUZHANGDU(CM)  

ΜE——CIXINYOUXIAOCIDAOLV,YOUGONGZUODECITONGMIDUHEZHILIUCICHANGQIANGDUJICIXINGCAILIAOJUEDING,CHAYUECIXINGUIGEDECHU。  

ERCIRAOZUN2=[UP2(1-DMAX)/UP1MINDMAX]N1……      NI=[UPI(1-DMAX)/UPIMINDMAX]N1 

澳门足彩(2)DANDUANZHENGJISHIJISUAN  

DANDUANZHENGJISHIDIANLUGONGZUODETEDIANSHIYI、ERCIRAOZUTONGSHIGONGZUO,LINGJIAQUCIRAOZU,YINCIJISUANFANGFAYUSHUANGJIXINGDIANLULEISI。  

澳门足彩1)ERCIRAOZUFENGZHIDIANLIUDENGYUZHILIUSHUCHUDIANLIU,JIIP2=I02  

澳门足彩2)ERCIRAOZUDIANYAFUZHI  

KAIGUANDIANYUANGONGLVBIANYAQIDESHEJIFANGFA:

 UP2=(UO2+△U2)/D(V)  SHIZHONG:

UO2——SHUCHUZHILIUDIANYA(V)  

△U2——ZHENGLIUGUANJIXIANLUYAJIANG(V)  

澳门足彩D——EDINGGONGZUOZHUANGTAISHIDEZHANKONGBID=TON/T 

 3)BIANYAQISHUCHUGONGLV:

 P2= (DUP2IP2)(W)  SHIZHONG:

UP2——BIANYAQISHUCHUDIANYAFUZHI(V)

澳门足彩IP2——ERCIRAOZUFENGZHIDIANLIU(A)  

澳门足彩4)QUEDINGCIXINTIJI  

    VE=(12.5ΒP2×103)/F(CM3)  SHIZHONG:

Β——JISUANXISHU,GONGZUOPINLVF=30~50KHZSHI,Β=0.3 YOUVEZHIXUANZEJIEJINCHICUNDECIXIN。  

澳门足彩5)YICIRAOZUZASHU  

    N1=(UP1TON×10-2)/F(ZA)  

澳门足彩SHIZHONG:UP1——BIANYAQISHURUEDINGDIANYAFUZHI(V)  

澳门足彩6)ERCIRAOZUZASHUN2=(UP2/UP1)N1……NI=UPIN1/UP1  

7)QUCIRAOZUZASHUNH=N1  

8)RAOZUDIANLIUYOUXIAOZHIERCICE:I2=IP2  YICICE:I1=UP2I2/UP1  QUCI:IH=(5~10)%I1 


四、开关变压器的参数 :


澳门足彩SHEJIBIANYAQISHIDADUOXUYAOKAOLVXIAMIANCANSHU:BIANHUANQIPINLVf(H2);CHUJIDIANYAU1(V),CIJIDIANYAU2(V);CIJIDIANLIUi2(A);RAOZUXIANLUCANSHUn1、,n2;WENSHENGτ(℃);RAOZUXIANGDUIDIANYAJIANGu;HUANJINGWENDUτHJ(℃);JUEYUANCAILIAOMIDUγz(g/cm3)



五、开关变压器的型号 :




六、开关变压器的价格 :

KAIGUANBIANYAQIJIAGEZHUYAOQUJUEYUCHANPINDEGONGYIFUZACHENGDU、KEHUDUIYUANCAILIAODEYAOQIU,YIJISHIFOUYAOQIUGUOANGUIRENZHENGDENG。ZIXUNDIANHUA:13266851143


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