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正激變壓器的設(shè)計(jì)

作者：時(shí)間：2013-12-22 來源：網(wǎng)絡(luò)

rgb(62, 62, 62); font-family: Tahoma, Arial, sans-serif; font-size: 14px; ">(3).求繞組Ns之線徑dws

Isrms=16×√0.35=9.47A(設(shè)計(jì)輸出電流最大為16A)

Aws= I / J＝9.47÷5＝1.9mm²

查ER42/15 BOBBIN幅寬27.5mm±0.3mm.考慮扣除擋墻約6mm,則有

27.5 - 6=21.5mm之可繞寬度,預(yù)留適當(dāng)空間(1.5mm)，W＝20mm

則:

dws=√(4Aws/π)＝√(4×1.9/3.14)= 1.56mm

選用Φ0.40mm×16

6、計(jì)算副邊輸出儲(chǔ)能電感的感量

Lo=Vo×(1-Dmin)÷(0.2×Io×Fs)

=13.7×（1-0.218）÷（0.2×20×60×10³）

=10.7134÷（240×10³）

=45μH

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