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M Y PH T IN XOAY CHIU

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M Y PH T IN XOAY CHIU

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    1. Hu?nh Thi?n Ch - THPT L Thanh Hi?n MY PHT I?N XOAY CHI?U

    2. Hu?nh Thi?n Ch - THPT L Thanh Hi?n I. MY PHT I?N XOAY CHI?U M?T PHA

    3. Hu?nh Thi?n Ch - THPT L Thanh Hi?n My pht di?n xoay chi?u m?t pha du?c c?u t?o b?i hai b? ph?n chnh:

    4. Hu?nh Thi?n Ch - THPT L Thanh Hi?n

    5. Hu?nh Thi?n Ch - THPT L Thanh Hi?n II. MY PHT I?N XOAY CHI?U BA PHA 1. C?u t?o v nguyn t?c ho?t d?ng My pht di?n ba pha l my t?o ra ba su?t di?n d?ng xoay chi?u hnh sin cng t?n s?, cng bin d? v l?ch pha nhau 2?/3

    6. Hu?nh Thi?n Ch - THPT L Thanh Hi?n II. MY PHT I?N XOAY CHI?U BA PHA 1. C?u t?o v nguyn t?c ho?t d?ng

    7. Hu?nh Thi?n Ch - THPT L Thanh Hi?n 2. Cch m?c m?ch ba pha M?ch tiu th? di?n nang g?i l t?i Cc t?i gi? thi?t l gi?ng nhau: cng di?n tr?, dung khng, c?m khng, ta g?i l t?i d?i x?ng. C 2 cch cch m?c:

    8. Hu?nh Thi?n Ch - THPT L Thanh Hi?n

    9. Hu?nh Thi?n Ch - THPT L Thanh Hi?n 3. Dng ba pha Dng di?n xoay chi?u ba pha l h? ba dng di?n xoay chi?u hnh sin c cng t?n s?, nhung l?ch pha v?i nhau 2?/3 t?ng di m?t. N?u cc t?i d?i x?ng th ba dng di?n ny cng bin d?.

    10. Hu?nh Thi?n Ch - THPT L Thanh Hi?n 4. Nh?ng uu vi?t c?a dng ba pha Truy?n t?i di?n nang di xa b?ng dng ba pha ti?t ki?m du?c dy d?n so v?i truy?n t?i b?ng dng m?t pha Cung c?p di?n cho cc d?ng co ba pha, dng ph? bi?n trong cc nh my, x nghi?p

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