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正激變壓器的設計

作者: 時(shí)間:2013-12-22 來(lái)源:網(wǎng)絡(luò ) 收藏
: 0px; word-wrap: break-word; text-indent: 49pt; line-height: 24px; color: rgb(62, 62, 62); font-family: Tahoma, Arial, sans-serif; font-size: 14px; text-align: justify; "> NR= Np= 33TS

本文引用地址:http://dyxdggzs.com/article/227328.htm

(6). CHECKΔB之選擇合理性.

ΔB=[Vin(min)×Dmax×Ts]/ (Np×Ae)

=(209×6.33)/ (33×194)=0.2067T5、計算線(xiàn)徑:


(1).求初級線(xiàn)徑dwp

Ip = Pi / VL = Po / (η×Dmax×VIN) =294/(0.80×0.38×209) = 4.63 A

Iprms= Ip×√D =4.63×√0.38 = 2.854A

Awp = I/J = 2.854/5 = 0.571mm2

dwp=(4Awp/π)=√(4×0.571/3.14)=0.853mm

Φ0.9mm orΦ0.55mm×4

(2).NR繞組線(xiàn)徑dwR.

NR=33TSL = N2×AL

L = 332×4690×0.75 = 3.83mH

Im = Vin(min)×ton / L = (209×6.33) / (3.83×103)0.345A

AWN = 0.345 / 5 = 0.0691mm2

dwN=(4×0.0691/3.14) =0.235mm取Φ0.28mm



關(guān)鍵詞: 正激變壓器

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