DongCoDien (28).pdf

# DongCoDien (28).pdf - Trường ĐHBK Hà Nội-Các thông...

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Tr ườ ng Đ HBK Hà N i -- ± -- Đồ án t t nghi p SV L ư u V ă n Th ng - 23 - L p K9C- T Đ H Các thông s c ơ b n c a van đượ c tính nh ư sau. U lv = K NV .U 2 = 1,41.110 =155 (v) Do s ơ đồ ch nh l ư u c u m t pha nên ta có . 41 , 1 2 = = nv K Đ i n áp ng ượ c mà van ph i ch u . Unv = K đ tv . U lv = 1,9.155 =294 (v) K đ tv la h s d ch đ i n áp th ườ ng l y >1,6. Nên dòng đ i n đ inh m c c a van là . I lv = K hd .I =0,67.10 =6,7 ( A) K hd =0,67 Do ch nh l ư u c u m t pha Dòng đ i n đị nh m c c a van đượ c ch n d a vào đ i u ki n làm mát van ch n đ i u ki n làm mát van b ng không khí t c làm mát t nhiên b ng cánh t n nhi t v i đủ di n tích b m t cho phép làm vi c I đ mv =K i
• Spring '16
• Stephanie Moore

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