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PS:注意.謹有綠色部份可修改.InputCondition(輸入基本條件):VAC(min)=90(V)Vi_dc(min)峰值=127.28(V)VAC(max)=264(V)Vi_dc(max)峰值=373.35(V)Vomin(輸出電壓)=20(V)__Vo_min參考LEDVf_min或是最少燈串電壓Vomax(輸出電壓)=28(V)Vf(輸出二極體壓降)=0.50(V)Io(輸出電流)=0.29(A)Vcc_min輔助繞組電壓=15(V)__對應到Vo_min,建議需大於UVLO_ON+2VVf(輔助二極體壓降)=1.00(V)Frequency(工作頻率)=65000(HZ)Dpri(一次測工作週期)=0.43Dsec(二次測工作週期)=0.538__D1及D2之間插入500nsLEB時間Bmax(磁通密度)=0.285(Tesla)參考鐵心型號參考鐵心材質PC40Ae(鐵心面積)=19.2(mm2)Ve(鐵心體積)=672(mm3)NC-2H_100℃CoreLos=456.09871(kW/m3)Solution(atlowline):重新計算整數圈Po(輸出功率)=8.2650(W)Np(主匝數)=154(Ts)變壓器損耗=0.8(W)Ns(次匝數)=43(Ts)變壓器效率=91.1748%Np'(輔助繞組)=34(Ts)Pin(輸入功率)=9.0650(W)Vcc_max輔助繞組電壓=21.53488(V)n(匝數比)=3.5694Lp(主電感)=1.4722m(H)MosVR(反射電壓)=101.7287(V)n(匝數比)=3.581Kv=1.2512MosVR(反射電壓)=102.0698(V)F2(Kv)=0.2484Kv=1.246983F3(Kv)=0.2043F2(Kv)=0.248846PF=0.99039782F3(Kv)=0.20469THD=13.9587PF=0.990428Ip(電流)=0.5734(A)THD=13.93634Lp(主電感)=1.4685m(H)D(工作週期)=0.44504Np(主匝數)=153.874(Ts)Ip(電流)=0.5724(A)Ns(次匝數)=43.109(Ts)__注意四捨五入值Bmax(最大磁通密度)=0.285(Tesla)Np'(輔助繞組)=33.646(Ts)Ip(rms)=0.165(A)Vcc_max輔助繞組電壓=21.244(V)__注意需低於Vcc_OVP值Rcs=2.426306ohm__設置Rcs電阻阻值Ip(rms)=0.1650(A)Is(peak)=1.8691(A)Is(peak)=1.8660(A)Is(rms)=0.545(A)Is(rms)=0.5447(A)一次線徑Φ0.2(mm)一次線徑Φ0.2057(mm)二次線徑Φ0.45(mm)二次線徑Φ0.3737(mm)輔助線徑Φ0.2(mm)集膚深度=0.2593(mm)平均一圈長度(mm)=41(mm)Rp(一次側線阻)=4.2809(Ohm)Rs(二次側線阻)=0.11806(Ohm)Solution(athighline):評估變壓器溫昇Δt=SecDiodeVrr=132.75(V)V(mos耐壓)=555.42(V)(SetVspikeis80V)D(工作週期)=0.2147Kv=3.6701PF=0.97485199THD=22.8602R11.3R21.3R31.3注意Totalloss及SheldinglossTransformerCalculate___forOB3330EE16R41.3R51.3R61.3EI30EI33/29/13EI35EI3530EI40EI50EI60EI70TYPEEPCOREEP7EP10EP13EP17EP20TYPEEPCCOREEPC10EPC13EPC17EPC19EPC25EPC25BEPC27EPC30TYPEERCOREER9.35ER9.5ER11.5ER14.5ER1916ER22ER23ER25.5ER25/51ER28/19ER28/28ER28/34ER30/16ER30/35ER35/34ER35/41ER39/36ER39/42ER40/45ER42/15ER42/20ER49/54ER54/36TYPEETDCOREETD19ETD24ETD29ETD34ETD39ETD44ETD49ETD54ETD59TYPELPCORELP22/13LP23/8LP32/13TYPERMCORERM4RM5RM6RM8RM10RM12RM14TYPEPTSCOREPTS14/8PTS18/11PTS23/11PTS23/18PTS30/19TYPEPQCOREPQ20/16PQ20/20PQ26/20PQ26/25PQ32/20PQ3225PQ32/30PQ35/35PQ40/40PQ50/50TYPEERCOREUU8.5UU9.8UU10.1UU10.5UU13.5UU15.22UU15.23UU15.7UU17UU19.7UU21UU25Key-inoptionTYPEECCOREEC353C85EC413C85EC523C85EC703C85TYPEEDCOREED28PC40ED28(TDG)PC40ED29PC40TYPEEECOREEE5PC40EE6.3PC40EE8PC40EE10/11PC40EE13PC40EE16PC40SEE16PC40EE19PC40變壓器繞線試算參考bobbin=樹林EE1618EE19/16PC40Bobbin擋牆限高=3(mm)EE20/20/5PC40膠布厚度=0.04(mm),層數=13層EE22PC40Shelding1線徑=0.12(mm),高度=0.147(mm)EE2329SPC40Shelding2線徑=0.12(mm),高度=0.147(mm)EE25/19PC40EE25.4PC40Pri最大線徑=0.231(mm),層數=5層EE2825PC40Sec最大線徑=0.675(mm),層數=9層EE30PC40Aux最大線徑=0.231(mm),層數=2層EE30/30/7PC40總高度=8.506(mm)__注意需小於Bobbin擋牆高度EE3528PC40EE40PC40Bobbin寬度=8.7(mm)EE4133PC40Pri滿槽圈數=36圈,繞線總計4層++10圈EE42/21/15PC40Sec滿槽圈數=5圈,繞線總計8層++3圈EE47/21/20PC40Aux滿槽圈數=17圈,繞線總計2層++0圈EE47/39PC40EE50PC40EE55/55/21PC40ohm__設置Rcs電阻阻值EE57/47PC40EE60PC40EE50.3PC40多股並繞1股EE62.3/62/6PC40多股並繞2股EE65/32/27PC40多股並繞2股TYPEEFCOREEF12.6PC40Pcu-loss(Pri)=0.0582(W)EF16PC40Pcu-loss(Sec)=0.0176(W)EF20PC40Pcore-loss=0.2167(W)EF25PC40TotalLoss=0.2925(W)EF32PC40評估變壓器溫昇Δt=32.64℃TYPEEFDCOREEFD103F3EFD123F3EFD153F3EFD303C90TYPEEICOREEI12.5PC40EI16PC40EI19PC40TypeMaterialEI22PC40EI25PC40R0.61882EI22/19/6PC40EI28PC40EI30PC40EI33/29/13PC40EI35PC40EI3530PC40EI40PC40EI50PC40EI60PC40EI70PC40TYPEEPCOREEP73C85EP103C85EP133C85EP173C85EP203C85TYPEEPCCOREEPC10PC44EPC13PC44EPC17PC44EPC19PC44EPC25PC44EPC25BPC44EPC27PC44EPC30PC44TYPEERCOREER9.35TP4ER9.5PC44ER11.5PC44ER14.5PC44ER1916TP4ER22ER23ER25.5PC40ER25/51TP4ER28/19PC40ER28/28PC40ER28/34PC40ER30/16TP4ER30/35TP4ER35/34TP4ER35/41PC40ER39/36B1ER39/42B1ER40/45PC40ER42/15PC40ER42/20PC40ER49/54N27ER54/363C85TYPEETDCOREETD19PC40ETD24PC40ETD29PC40ETD34PC40ETD39PC40ETD44PC40ETD49PC40ETD54N27ETD59N27TYPELPCORELP22/13PC44LP23/8PC44LP32/13PC44TYPERMCORERM4PC40RM5PC40RM6PC40RM8PC40RM10PC40RM12PC40RM14PC40TYPEPTSCOREPTS14/83C85PTS18/113C85PTS23/113C85PTS23/183C85PTS30/193C85TYPEPQCOREPQ20/16PC44PQ20/20PC44PQ26/20PC44PQ26/25PC44PQ32/20PC44PQ3225PQ32/30PC44PQ35/35PC44PQ40/40PC44PQ50/50PC44TYPEERCOREUU8.5PC40UU9.8PC40UU10.1HS72UU10.5HS72UU13.5PC40UU15.22PC40UU15.23PC40UU15.7HS72UU17PC40UU19.7HS72UU21PC40UU25PC40通用CORE參數對照表PCL100kHzPt200mT(100kHz)A*B*C(cm4)(mm2)(mm2)(nH/N2)(mm)(mm3)(g)@100℃(W)(Watts)35.3*17.3*9.51.374184.30163.002100.0077.406530.0038.0041.6*19.5*11.62.5894121.00214.002700.0089.3010800.0060.0052.2*24.2*13.45.5980180.00311.003600.00105.0018800.00112.0071.7*34.5*16.417.8281279.00639.003900.00144.0040100.00254.0028*10.4*12.10.723690.0080.4050.3022.0028.4*9.8*301.6589192.0086.407000.0047.004.50029.8*14.8*11.61.350090.00150.0029.505.25*2.65*1.950.00132.635.00285.0012.6033.100.160.0201.16.1*2.85*7.950.00153.314.46405.0012.2040.400.240.0208.3*4.0*3.60.00917.0013.05590.0019.47139.000.700.0601.910.2*5.5*4.750.028712.1023.70850.0026.60302.001.500.16013.0*6.0*6.150.057017.1033.351130.0030.20517.002.700.23516*7.2*4.80.076519.2039.851140.0035.00672.003.300.31022.00800.0019.1*7.95*5.00.124323.0054.041250.0039.40900.004.800.42019.29*8.1*4.750.119122.4053.151350.0039.10882.004.800.41020.15
本文标题:变压器计算计算
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