KichTuDocLap (54).pdf

# KichTuDocLap (54).pdf - Đồ án điện tử công suất...

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Đồ án đ i n t công su t 53 S 2 = 2 2 S 46,365 = 0,234 6.U .J 6.12.2,75 = mm 2 . 17. Đườ ng kính dây th c p : d 2 = 2 4.S 4.0,234 = 0,546 π 3,14 = mm Ch n d 2 = 0,55 mm. Đườ ng kính có k cách đ i n d 2cd =0,6mm 18.Ch n h s l p đầ y là k ld = 0.7. Ta tính b r ng c a s là : c= 2 2 2 2 1cd 1 2cd 2 ld π 3,14 .(d .W +d .W ) .(0,2 .2915 + 0,6 .159) 4 4 = 3,12 k .h 0,7.62,5 = c=3,12 mm ta ch n c= 12 mm. 19.Chi u dài c a m ch t : L=2c+3a =2.12+3.25 = 99 mm 20.Chi u cao c a m ch t : H = h+2a = 62,5 + 2.25 = 112,5 mm
• Spring '16
• Stephanie Moore

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