Ch\u01b0\u01a1ng 3 -B\u00e0i 16: Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng. M\u00e1y bi\u1ebfn \u00e1p<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 3 -B\u00e0i 16: Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng. M\u00e1y bi\u1ebfn \u00e1p\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 91 SGK V\u1eadt L\u00fd 12):\u00a0M\u00e1y bi\u1ebfn \u00e1p l\u00e0 g\u00ec? N\u00eau c\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c c\u1ee7a bi\u1ebfn \u00e1p. 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Hai cu\u1ed9n d\u00e2y N1, N2\u00a0c\u00f3 s\u1ed1 v\u00f2ng […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-30T10:07:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-596.png\" \/>\n\t<meta property=\"og:image:width\" content=\"320\" \/>\n\t<meta property=\"og:image:height\" content=\"274\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap\/\",\"name\":\"Ch\u01b0\u01a1ng 3 -B\u00e0i 16: Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng. 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{"id":24794,"date":"2018-03-30T17:07:33","date_gmt":"2018-03-30T10:07:33","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=24794"},"modified":"2018-03-30T17:07:33","modified_gmt":"2018-03-30T10:07:33","slug":"chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap\/","title":{"rendered":"Ch\u01b0\u01a1ng 3 -B\u00e0i 16: Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng. M\u00e1y bi\u1ebfn \u00e1p"},"content":{"rendered":"

B\u00e0i 1 (trang 91 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u00e1y bi\u1ebfn \u00e1p l\u00e0 g\u00ec? N\u00eau c\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c c\u1ee7a bi\u1ebfn \u00e1p.<\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

M\u00e1y bi\u1ebfn \u00e1p l\u00e0 thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u.<\/p>\n

C\u1ea5u t\u1ea1o: L\u00f5i s\u1eaft non h\u00ecnh ch\u1eef nh\u1eadt. Hai cu\u1ed9n d\u00e2y N_{1<\/sub>, N_{2<\/sub>\u00a0c\u00f3 s\u1ed1 v\u00f2ng d\u00e2y qu\u1ea5n kh\u00e1c nhau. Cu\u1ed9n d\u00e2y N_{1<\/sub>\u00a0n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n g\u1ecdi l\u00e0 cu\u1ed9n s\u01a1 c\u1ea5p, cu\u1ed9n d\u00e2y N_{2<\/sub>\u00a0n\u1ed1i v\u1edbi t\u1ea3i ti\u00eau th\u1ee5 g\u1ecdi l\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p.<\/p>\n}}}}

Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eed, m\u1eafc hai \u0111\u1ea7u cu\u1ed9n s\u01a1 c\u1ea5p v\u00e0o \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u c\u00f3 t\u1ea7n s\u1ed1 f. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u trong cu\u1ed9n s\u01a1 c\u1ea5p t\u1ea1o ra t\u1eeb th\u00f4ng bi\u1ebfn thi\u00ean trong l\u00f5i s\u1eaft \u0111i \u0111\u1ebfn cu\u1ed9n th\u1ee9 c\u1ea5p l\u00e0m xu\u1ea5t hi\u1ec7n su\u1ea5t \u0111i\u1ec7n \u0111\u1ed9ng c\u1ea3m \u1ee9ng. Khi m\u00e1y bi\u1ebfn \u00e1p ho\u1ea1t \u0111\u1ed9ng trong cu\u1ed9n th\u1ee9 c\u1ea5p xu\u1ea5t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f9ng t\u1ea7n s\u1ed1 v\u1edbi d\u00f2ng \u0111i\u1ec7n \u1edf cu\u1ed9n s\u01a1 c\u1ea5p.<\/p>\n

B\u00e0i 2 (trang 91 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u00e1y bi\u1ebfn \u00e1p l\u00ed t\u01b0\u1edfng l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng …<\/span><\/p>\n

$\"\"$ <\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n C. Ta c\u00f3 :<\/p>\n

$\"\"$ <\/p>\n

B\u00e0i 3 (trang 91 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u1ed9t bi\u1ebfn \u00e1p c\u00f3 cu\u1ed9n s\u01a1 c\u1ea5p g\u1ed3m 2000 v\u00f2ng, cu\u1ed9n th\u1ee9 c\u1ea5p g\u1ed3m 100 v\u00f2ng, \u0111i\u1ec7n \u00e1p v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 \u1edf m\u1ea1ch s\u01a1 c\u1ea5p l\u00e0 120V, 0,8A. \u0110i\u1ec7n \u00e1p v\u00e0 c\u00f4ng su\u1ea5t \u1edf cu\u1ed9n th\u1ee9 c\u1ea5p l\u00e0 bao nhi\u00eau?<\/span><\/p>\n

A. 6V, 96W<\/p>\n

B. 240V, 96W<\/p>\n

C. 6V, 4,8W<\/p>\n

D. 120V, 4,8W<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n A. Ta c\u00f3<\/p>\n

$\"\"$ <\/p>\n

B\u00e0i 4 (trang 91 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u1ed9t bi\u1ebfn \u00e1p c\u00f3 hai cu\u1ed9n d\u00e2y l\u1ea7n l\u01b0\u1ee3t c\u00f3 10000 v\u00f2ng v\u00e0 200 v\u00f2ng.<\/span><\/p>\n

a) Mu\u1ed1n t\u0103ng \u00e1p th\u00ec cu\u1ed9n n\u00e0o l\u00e0 cu\u1ed9n s\u01a1 c\u1ea5p? N\u1ebfu \u0111\u1eb7t v\u00e0o cu\u1ed9n s\u01a1 c\u1ea5p \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng 220V th\u00ec \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng \u1edf cu\u1ed9n th\u1ee9 c\u1ea5p b\u1eb1ng bao nhi\u00eau?<\/p>\n

b) Cu\u1ed9n n\u00e0o c\u00f3 ti\u1ebft di\u1ec7n d\u00e2y l\u1edbn h\u01a1n?<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

a) \u0110\u1ec3 l\u00e0 m\u00e1y t\u0103ng \u00e1p th\u00ec s\u1ed1 v\u00f2ng c\u1ee7a cu\u1ed9n d\u00e2y th\u1ee9 c\u1ea5p ph\u1ea3i l\u1edbn h\u01a1n s\u1ed1 v\u00f2ng d\u00e2y c\u1ee7a cu\u1ed9n s\u01a1 c\u1ea5p. Do \u0111\u00f3 s\u1ed1 v\u00f2ng cu\u1ed9n s\u01a1 c\u1ea5p N_{1<\/sub>\u00a0= 200 v\u00f2ng, s\u1ed1 v\u00f2ng c\u1ee7a cu\u1ed9n th\u1ee9 c\u1ea5p N_{2<\/sub>\u00a0= 10000 v\u00f2ng.<\/p>\n}}

$\"\"$ <\/p>\n

b) Cu\u1ed9n s\u01a1 c\u1ea5p c\u00f3 ti\u1ebft di\u1ec7n d\u00e2y l\u1edbn h\u01a1n v\u00ec N_{1<\/sub>\u00a0< N_{2<\/sub><\/p>\n}}

B\u00e0i 5 (trang 91 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u00e1y bi\u1ebfn \u00e1p l\u00ed t\u01b0\u1edfng cung c\u1ea5p m\u1ed9t d\u00f2ng \u0111i\u1ec7n 30A d\u01b0\u1edbi m\u1ed9t \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng 220V. \u0110i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng \u1edf cu\u1ed9n s\u01a1 c\u1ea5p l\u00e0 5kV.<\/span><\/p>\n

a) T\u00ednh c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u1edf c\u1eeda v\u00e0o v\u00e0 \u1edf c\u1eeda ra c\u1ee7a bi\u1ebfn \u00e1p<\/p>\n

b) T\u00ednh c\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng \u1edf cu\u1ed9n s\u01a1 c\u1ea5p.<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

a) (N\u1ebfu b\u1ecf qua s\u1ef1 hao ph\u00ed c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p (bi\u1ebfn \u00e1p l\u00ed t\u01b0\u1edfng))<\/p>\n

C\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u1edf c\u1eeda v\u00e0o v\u00e0 \u1edf c\u1eeda ra c\u1ee7a bi\u1ebfn \u00e1p l\u00e0:<\/p>\n

P_{1<\/sub>\u00a0= P_{2<\/sub>\u00a0= U_{2<\/sub>I_{2<\/sub>\u00a0= 220.30 = 6600 W<\/p>\n}}}}

b) P_{1<\/sub>\u00a0= U_{1<\/sub>I_{1<\/sub><\/p>\n}}}

$\"\"$ <\/p>\n

B\u00e0i 6 (trang 91 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u1ed9t bi\u1ebfn \u00e1p cung c\u1ea5p m\u1ed9t c\u00f4ng su\u1ea5t 4kW d\u01b0\u1edbi m\u1ed9t \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng 110V. Bi\u1ebfn \u00e1p \u0111\u00f3 n\u1ed1i v\u1edbi \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n tr\u1edf t\u1ed5ng l\u00e0 2\u03a9<\/span><\/p>\n

a) T\u00ednh c\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng tr\u00ean \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n.<\/p>\n

b) T\u00ednh \u0111\u1ed9 s\u1ee5t th\u1ebf tr\u00ean \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n.<\/p>\n

c) T\u00ednh \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng \u1edf cu\u1ed1i \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n.<\/p>\n

d) X\u00e1c \u0111\u1ecbnh c\u00f4ng su\u1ea5t t\u1ed5n hao tr\u00ean \u0111\u01b0\u1eddng d\u00e2y \u0111\u00f3.<\/p>\n

e) Thay bi\u1ebfn \u00e1p tr\u1ec3n d\u00e2y b\u1eb1ng m\u1ed9t bi\u1ebfn \u00e1p c\u00f3 c\u00f9ng c\u00f4ng su\u1ea5t nh\u01b0ng \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng \u1edf c\u1eeda ra l\u00e0 220V. T\u00ednh to\u00e1n l\u1ea1i c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng n\u00eau ra \u1edf b\u1ed1n c\u00e2u h\u1ecfi tr\u00ean.<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

a) C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng tr\u00ean \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n:<\/p>\n

$\"Gi\u1ea3i$ $\"\"$ <\/p>\n

$\"\"$ <\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 (trang 91 SGK V\u1eadt L\u00fd 12):\u00a0M\u00e1y bi\u1ebfn \u00e1p l\u00e0 g\u00ec? N\u00eau c\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c c\u1ee7a bi\u1ebfn \u00e1p. L\u1eddi gi\u1ea3i: M\u00e1y bi\u1ebfn \u00e1p l\u00e0 thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u. C\u1ea5u t\u1ea1o: L\u00f5i s\u1eaft non h\u00ecnh ch\u1eef nh\u1eadt. Hai cu\u1ed9n d\u00e2y N1, N2\u00a0c\u00f3 s\u1ed1 v\u00f2ng […]<\/p>\n","protected":false},"author":3,"featured_media":24796,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1303],"tags":[1428,1427],"yoast_head":"\nCh\u01b0\u01a1ng 3 -B\u00e0i 16: Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng. M\u00e1y bi\u1ebfn \u00e1p<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-3-bai-16-truyen-tai-dien-nang-may-bien-ap\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 3 -B\u00e0i 16: Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng. M\u00e1y bi\u1ebfn \u00e1p\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 91 SGK V\u1eadt L\u00fd 12):\u00a0M\u00e1y bi\u1ebfn \u00e1p l\u00e0 g\u00ec? N\u00eau c\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c c\u1ee7a bi\u1ebfn \u00e1p. L\u1eddi gi\u1ea3i: M\u00e1y bi\u1ebfn \u00e1p l\u00e0 thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u. 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