KichTuDocLap (51).pdf

# KichTuDocLap (51).pdf - Đồ án điện tử công suất...

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Đồ án đ i n t công su t 50 VII. Tính ch n t ng t o đ i n áp t a : Đ i n áp xoay chi u đồ ng pha là 10V. Ngh ĩ a là bi ế n áp đồ ng pha đ ã gi m đ i n áp xu ng còn 10 V. Nh ư đ ã nói trên các khuy ế ch đạ i thu t toán ch n đồ ng lo t là LM324. Đ i n tr R 1 c ũ ng ch n 40k. VR1 ch n đ i n tr ch nh 10k. R 2 ch n đ i n tr 1k. Các đ i n tr ti ế p mát c a IC c ũ ng ch n 1k. Đ i n tr R 11 , R 12 , R 13 c ũ ng ch n 1k. Do chúng c ũ ng có nhi m v b o v t ươ ng t nhau. Riêng ph n tính toán bi ế n áp ta tính m c sau. VIII. Tính toán khâu ph
• Spring '16
• Stephanie Moore

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