L\u1eafp \u0111\u1eb7t cho nh\u00e0 m\u1edbi, c\u00f3 ng\u01b0\u1eddi \u0111\u1ec3 gi\u1ea3n ti\u1ec7n, th\u01b0\u1eddng cho ch\u1ea1y \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i song song v\u1edbi \u0111\u01b0\u1eddng \u0111i\u1ec7n. C\u00f3 v\u00f9ng n\u00f4ng th\u00f4n, v\u00ec \u0111\u1ec3 ti\u1ebft ki\u1ec7m c\u1ed9t \u0111i\u1ec7n, m\u00e0 ng\u01b0\u1eddi ta \u0111\u00e3 m\u1eafc d\u00e2y \u0111i\u1ec7n tho\u1ea1i l\u00ean c\u1ed9t \u0111i\u1ec7n. Nh\u1eefng c\u00e1ch l\u00e0m \u0111\u00f3 \u0111\u1ec1u kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1ch \u0111\u1eb7t \u0111\u01b0\u1eddng d\u00e2y th\u00f4ng tin v\u00e0 y\u00eau c\u1ea7u m\u1eafc d\u00e2y.<\/p>\n\n\n\n
M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft r\u1eb1ng \u0111i\u1ec7n th\u1ebf c\u1ee7a d\u00f2ng \u0111i\u1ec7n ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n \u00edt nh\u1ea5t l\u00e0 220 von. V\u1ecf b\u1ecdc ngo\u00e0i c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n v\u00e0 d\u00e2y \u0111i\u1ec7n tho\u1ea1i tuy l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n nh\u01b0 cao su, nh\u1ef1a, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 lo\u1ea1i n\u00e0y \u0111\u1ec1u tuy\u1ec7t \u0111\u1ed1i c\u00e1ch \u0111i\u1ec7n. \u0110\u1eb7c bi\u1ec7t v\u00e0o nh\u1eefng ng\u00e0y n\u1ed3m, khi ti\u1ebft tr\u1eddi \u1ea9m \u01b0\u1edbt, do \u0111\u1ed9 \u1ea9m l\u1edbn n\u00ean ch\u00fang d\u1ec5 d\u1eabn \u0111i\u1ec7n. Nh\u01b0 v\u1eady, d\u00f2ng \u0111i\u1ec7n c\u1ee7a \u0111\u01b0\u1eddng \u0111i\u1ec7n \u0111\u00e8n d\u1ec5 ch\u1ecdc th\u1ee7ng v\u1ecf b\u1ecdc, ch\u1ea1y sang \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i. Do \u0111i\u1ec7n \u0111\u00e8n \u0111\u01b0\u1eddng l\u00e0 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01a1n t\u01b0\u1edbng (m\u1ed9t pha), m\u1ed9t d\u00e2y d\u01b0\u01a1ng, m\u1ed9t d\u00e2y \u00e2m, khi ta \u0111\u1ee5ng \u0111\u1ebfn \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i, ta c\u1ea7m m\u00e1y \u0111i\u1ec7n tho\u1ea1i th\u00ec d\u00f2ng \u0111i\u1ec7n t\u1eeb \u0111\u01b0\u1eddng \u0111i\u1ec7n \u0111\u00e8n s\u1ebd ch\u1ea1y qua ng\u01b0\u1eddi m\u00e0 xu\u1ed1ng \u0111\u1ea5t, t\u1ea1o th\u00e0nh \u0111\u01b0\u1eddng n\u1ed1i \u0111i\u1ec7n v\u00e0 g\u00e2y ra s\u1ef1 c\u1ed1 \u0111i\u1ec7n gi\u1eadt, c\u00f3 khi th\u1eadm ch\u00ed l\u00e0m ch\u00e1y m\u00e1y \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n
D\u00e2y \u0111i\u1ec7n tho\u1ea1i m\u1eafc s\u00e1t \u0111\u01b0\u1eddng \u0111i\u1ec7n th\u00ec d\u00f2ng \u0111i\u1ec7n s\u1ebd sinh ra hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb, d\u1eabn t\u1edbi d\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng (induced current) tr\u00ean \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i. L\u00fac n\u00e0y, trong m\u00e1y \u0111i\u1ec7n tho\u1ea1i s\u1ebd c\u00f3 ti\u1ebfng giao l\u01b0u “\u00f9 \u00f9” l\u00e0m nhi\u1ec5u l\u1eddi tho\u1ea1i. \u0110\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i \u0111\u1eb7t g\u1ea7n s\u00e1t ho\u1eb7c song song v\u1edbi d\u00e2y \u0111i\u1ec7n \u0111\u00e8n c\u00e0ng d\u00e0i th\u00ec nhi\u1ec5u c\u00e0ng th\u1eadm t\u1ec7.<\/p>\n\n\n\n
B\u1edfi v\u1eady, khi k\u00e9o d\u00e2y \u0111i\u1ec7n tho\u1ea1i c\u1ea7n h\u1ebft s\u1ee9c tr\u00e1nh xa \u0111\u01b0\u1eddng \u0111i\u1ec7n. Khi kh\u00f4ng c\u00f2n c\u00e1ch n\u00e0o kh\u00e1c th\u00ec n\u00ean \u0111\u1ec3 kho\u1ea3ng c\u00e1ch xa ra, khi\u1ebfn d\u00e2y \u0111i\u1ec7n tho\u1ea1i ch\u1ea1y c\u1eaft ngang d\u00e2y \u0111i\u1ec7n, v\u00e0 \u1edf n\u01a1i giao nhau ta d\u00f9ng s\u00e0o tre, v\u1eadt c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 b\u1ea3o h\u1ed9 \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i, \u0111\u1ec1 ph\u00f2ng \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n \u0111\u1ee9t m\u1eafc v\u00e0o \u0111i\u1ec7n tho\u1ea1i, g\u00e2y s\u1ef1 c\u1ed1 \u0111i\u1ec7n gi\u1eadt.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: \u0110\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i; \u0110\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n.<\/p>\n","protected":false},"excerpt":{"rendered":"
L\u1eafp \u0111\u1eb7t cho nh\u00e0 m\u1edbi, c\u00f3 ng\u01b0\u1eddi \u0111\u1ec3 gi\u1ea3n ti\u1ec7n, th\u01b0\u1eddng cho ch\u1ea1y \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i song song v\u1edbi \u0111\u01b0\u1eddng \u0111i\u1ec7n. C\u00f3 v\u00f9ng n\u00f4ng th\u00f4n, v\u00ec \u0111\u1ec3 ti\u1ebft ki\u1ec7m c\u1ed9t \u0111i\u1ec7n, m\u00e0 ng\u01b0\u1eddi ta \u0111\u00e3 m\u1eafc d\u00e2y \u0111i\u1ec7n tho\u1ea1i l\u00ean c\u1ed9t \u0111i\u1ec7n. Nh\u1eefng c\u00e1ch l\u00e0m \u0111\u00f3 \u0111\u1ec1u kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1ch \u0111\u1eb7t \u0111\u01b0\u1eddng d\u00e2y […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,13],"tags":[],"class_list":["post-10364","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tin-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10364"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10364\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}