{"id":1742,"date":"2025-07-10T06:20:45","date_gmt":"2025-07-10T06:20:45","guid":{"rendered":"https:\/\/nbaem.com\/?p=1742"},"modified":"2025-07-10T06:20:45","modified_gmt":"2025-07-10T06:20:45","slug":"how-magnet-can-generate-electricity","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/how-magnet-can-generate-electricity\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n?"},"content":{"rendered":"<p>Nam ch\u00e2m c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, nh\u01b0ng ch\u00fang gi\u1eef ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n. L\u1ef1c v\u00f4 h\u00ecnh n\u00e0y \u0111\u1ee9ng sau nhi\u1ec1u gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng hi\u1ec7n \u0111\u1ea1i m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/p>\n<p><strong>C\u00f3, nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n th\u00f4ng qua qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. Di chuy\u1ec3n m\u1ed9t nam ch\u00e2m g\u1ea7n m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n t\u1ea1o ra \u0111i\u1ec7n \u00e1p, d\u1eabn \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n ch\u1ea3y qua.<\/strong><\/p>\n<div id=\"attachment_1743\" style=\"width: 472px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1743\" class=\"size-full wp-image-1743\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38.jpg\" alt=\"C\u00e1ch nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n\" width=\"462\" height=\"468\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38-66x66.jpg 66w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38-200x203.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38-296x300.jpg 296w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38-400x405.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38.jpg 462w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/><p id=\"caption-attachment-1743\" class=\"wp-caption-text\">C\u00e1ch nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n<\/p><\/div>\n<p>\u00dd t\u01b0\u1edfng t\u1ea1o ra \u0111i\u1ec7n b\u1eb1ng nam ch\u00e2m c\u00f3 th\u1ec3 nghe nh\u01b0 ph\u00e9p thu\u1eadt, nh\u01b0ng \u0111\u00f3 l\u00e0 khoa h\u1ecdc. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng n\u00e0y v\u00e0 t\u1ea1i sao n\u00f3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ph\u1ea7n l\u1edbn th\u1ebf gi\u1edbi ng\u00e0y nay.<\/p>\n<p>&nbsp;<\/p>\n<h2>C\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n t\u1eeb nam ch\u00e2m kh\u00f4ng?<\/h2>\n<p>H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng \u0111i\u1ec7n h\u00e0ng ng\u00e0y nh\u01b0ng kh\u00f4ng bao gi\u1edd ngh\u0129 v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a n\u00f3. S\u1ef1 th\u1eadt b\u1ea5t ng\u1edd l\u00e0 nam ch\u00e2m th\u01b0\u1eddng l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u.<\/p>\n<p><strong>\u0110i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi nam ch\u00e2m th\u00f4ng qua chuy\u1ec3n \u0111\u1ed9ng. Khi m\u1ed9t nam ch\u00e2m di chuy\u1ec3n g\u1ea7n m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n, n\u00f3 t\u1ea1o ra d\u00f2ng electron, \u0111\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec7n.<\/strong><\/p>\n<h3>Nguy\u00ean l\u00fd \u0111\u1eb1ng sau: Hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/h3>\n<p>V\u00e0o \u0111\u1ea7u th\u1ebf k\u1ef7 XIX, Michael Faraday ph\u00e1t hi\u1ec7n ra m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u0111i\u1ec7n v\u00e0 t\u1eeb tr\u01b0\u1eddng. \u00d4ng nh\u1eadn th\u1ea5y r\u1eb1ng n\u1ebfu b\u1ea1n di chuy\u1ec3n m\u1ed9t nam ch\u00e2m g\u1ea7n m\u1ed9t cu\u1ed9n d\u00e2y, cu\u1ed9n d\u00e2y s\u1ebd t\u1ea1o ra \u0111i\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, c\u0169ng \u0111\u00fang\u2014di chuy\u1ec3n d\u00e2y trong khi nam ch\u00e2m \u0111\u1ee9ng y\u00ean v\u1eabn t\u1ea1o ra \u0111i\u1ec7n \u00e1p. \u00dd t\u01b0\u1edfng n\u00e0y hi\u1ec7n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>s\u1ef1 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/strong>.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<ul>\n<li>M\u1ed9t tr\u01b0\u1eddng t\u1eeb t\u1ea1o ra l\u1ef1c xung quanh m\u1ed9t nam ch\u00e2m.<\/li>\n<li>Khi m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n (nh\u01b0 d\u00e2y \u0111\u1ed3ng) c\u1eaft qua tr\u01b0\u1eddng n\u00e0y, c\u00e1c electron b\u00ean trong d\u00e2y b\u1eaft \u0111\u1ea7u di chuy\u1ec3n.<\/li>\n<li>Electron di chuy\u1ec3n = d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa t\u1eeb tr\u01b0\u1eddng v\u00e0 chuy\u1ec3n \u0111\u1ed9ng n\u00e0y ch\u00ednh l\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n ng\u00e0y nay. D\u00f9 l\u00e0 nh\u00e0 m\u00e1y than, \u0111\u1eadp th\u1ee7y \u0111i\u1ec7n hay turbine gi\u00f3, t\u1ea5t c\u1ea3 \u0111\u1ec1u s\u1eed d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ec3 quay nam ch\u00e2m quanh cu\u1ed9n d\u00e2y\u2014ho\u1eb7c cu\u1ed9n d\u00e2y quanh nam ch\u00e2m.<\/p>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i \u0111\u1ec3 b\u1eaft \u0111\u1ea7u. N\u00f3 ch\u1ec9 c\u1ea7n chuy\u1ec3n \u0111\u1ed9ng v\u00e0 tr\u01b0\u1eddng t\u1eeb. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n c\u00f3 th\u1ec3 th\u1eafp s\u00e1ng m\u1ed9t b\u00f3ng \u0111\u00e8n nh\u1ecf ch\u1ec9 b\u1eb1ng c\u00e1ch quay m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n ch\u1ea1y b\u1eb1ng tay.<\/p>\n<p>&nbsp;<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n bi\u1ebfn t\u1eeb tr\u01b0\u1eddng th\u00e0nh \u0111i\u1ec7n n\u0103ng?<\/h2>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n xu\u1ea5t hi\u1ec7n \u1edf kh\u1eafp m\u1ecdi n\u01a1i, t\u1eeb chi\u1ebfc \u0111\u00e8n pin nh\u1ecf \u0111\u1ebfn c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n quy m\u00f4 th\u00e0nh ph\u1ed1. Ch\u00fang \u0111\u1ec1u d\u1ef1a tr\u00ean c\u00f9ng m\u1ed9t \u00fd t\u01b0\u1edfng c\u01a1 b\u1ea3n.<\/p>\n<p><strong>M\u00e1y ph\u00e1t \u0111i\u1ec7n s\u1eed d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng quay \u0111\u1ec3 di chuy\u1ec3n nam ch\u00e2m g\u1ea7n c\u00e1c cu\u1ed9n d\u00e2y, t\u1ea1o ra \u0111i\u1ec7n th\u00f4ng qua c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb.<\/strong><\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/h3>\n<p>H\u00e3y xem b\u00ean trong m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n g\u1ed3m nh\u1eefng g\u00ec:<\/p>\n<ul>\n<li><strong>Rotor<\/strong>: Ph\u1ea7n quay v\u1edbi c\u00e1c nam ch\u00e2m.<\/li>\n<li><strong>Stator<\/strong>: Ph\u1ea7n c\u1ed1 \u0111\u1ecbnh v\u1edbi c\u00e1c cu\u1ed9n d\u00e2y.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng c\u01a1 h\u1ecdc<\/strong>: N\u01b0\u1edbc, gi\u00f3, h\u01a1i n\u01b0\u1edbc ho\u1eb7c \u0111\u1ed9ng c\u01a1 kh\u00ed \u0111\u1ea9y quay rotor.<\/li>\n<\/ul>\n<p>Khi rotor quay, c\u00e1c nam ch\u00e2m b\u00ean trong n\u00f3 \u0111i qua c\u00e1c cu\u1ed9n d\u00e2y. Chuy\u1ec3n \u0111\u1ed9ng n\u00e0y l\u00e0m thay \u0111\u1ed5i tr\u01b0\u1eddng t\u1eeb b\u00ean trong c\u00e1c cu\u1ed9n d\u00e2y. Nh\u01b0 Faraday \u0111\u00e3 ph\u00e1t hi\u1ec7n, m\u1ed9t tr\u01b0\u1eddng t\u1eeb bi\u1ebfn \u0111\u1ed5i t\u1ea1o ra \u0111i\u1ec7n \u00e1p. Rotor quay c\u00e0ng nhanh, l\u01b0\u1ee3ng \u0111i\u1ec7n b\u1ea1n thu \u0111\u01b0\u1ee3c c\u00e0ng nhi\u1ec1u.<\/p>\n<table>\n<thead>\n<tr>\n<th>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5:<\/th>\n<th>Lo\u1ea1i m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/th>\n<th>Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng<\/th>\n<th>\u1ee8ng d\u1ee5ng \u0111\u1ea7u ra<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u00e1y ph\u00e1t \u0111i\u1ec7n xe \u0111\u1ea1p<\/td>\n<td>Chuy\u1ec3n \u0111\u1ed9ng b\u00e0n \u0111\u1ea1p<\/td>\n<td>\u0110\u00e8n pha<\/td>\n<\/tr>\n<tr>\n<td>Tuabin gi\u00f3<\/td>\n<td>Quay gi\u00f3<\/td>\n<td>\u0110i\u1ec7n l\u01b0\u1edbi<\/td>\n<\/tr>\n<tr>\n<td>Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n<\/td>\n<td>\u00c1p l\u1ef1c n\u01b0\u1edbc<\/td>\n<td>Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n to\u00e0n th\u00e0nh ph\u1ed1<\/td>\n<\/tr>\n<tr>\n<td>M\u00e1y ph\u00e1t \u0111i\u1ec7n di \u0111\u1ed9ng<\/td>\n<td>\u0110\u1ed9ng c\u01a1 x\u0103ng<\/td>\n<td>Ngu\u1ed3n \u0111i\u1ec7n kh\u1ea9n c\u1ea5p cho nh\u00e0 \u1edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t nguy\u00ean l\u00fd, ch\u1ec9 kh\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>&nbsp;<\/p>\n<h2>\u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n kh\u00f4ng?<\/h2>\n<p>Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 quay. Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nam ch\u00e2m c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3. Nam ch\u00e2m m\u1ea1nh h\u01a1n th\u01b0\u1eddng t\u1ea1o ra \u0111i\u1ec7n m\u1ea1nh h\u01a1n.<\/p>\n<p><strong>\u0110\u00fang v\u1eady, nam ch\u00e2m m\u1ea1nh h\u01a1n t\u1ea1o ra \u0111i\u1ec7n \u00e1p cao h\u01a1n. S\u1ed1 v\u00f2ng d\u00e2y v\u00e0 t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u0169ng l\u00e0m t\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n sinh ra.<\/strong><\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/h3>\n<p>M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u1ea1o ra \u0111i\u1ec7n c\u1ee7a b\u1ea1n v\u1edbi m\u1ed9t nam ch\u00e2m:<\/p>\n<ol>\n<li><strong>\u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/strong>\n<ul>\n<li>Nam ch\u00e2m m\u1ea1nh nh\u01b0 <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\"><strong>nam ch\u00e2m neodymium<\/strong><\/a><\/span> t\u1ea1o ra \u0111i\u1ec7n \u00e1p cao h\u01a1n trong c\u00f9ng m\u1ed9t c\u1ea5u h\u00ecnh so v\u1edbi c\u00e1c lo\u1ea1i y\u1ebfu h\u01a1n nh\u01b0 <strong><a href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\"><span style=\"color: #ff6600;\">nam ch\u00e2m ceramic.<\/span><\/a><\/strong><\/li>\n<li>Nam ch\u00e2m neodymium th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n nh\u1ecf g\u1ecdn ho\u1eb7c turbine gi\u00f3 di \u0111\u1ed9ng v\u00ec l\u00fd do n\u00e0y.<\/li>\n<\/ul>\n<\/li>\n<li><strong>S\u1ed1 v\u00f2ng d\u00e2y qu\u1ea5n<\/strong>\n<ul>\n<li>Nhi\u1ec1u v\u00f2ng d\u00e2y h\u01a1n trong cu\u1ed9n d\u00e2y c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec1u c\u01a1 h\u1ed9i c\u1eaft qua tr\u01b0\u1eddng t\u1eeb.<\/li>\n<li>\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn \u0111i\u1ec7n \u00e1p c\u1ea3m \u1ee9ng nhi\u1ec1u h\u01a1n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng<\/strong>\n<ul>\n<li>Ch\u1ea1y nhanh h\u01a1n c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa nam ch\u00e2m v\u00e0 cu\u1ed9n d\u00e2y, th\u00ec t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i c\u1ee7a tr\u01b0\u1eddng t\u1eeb c\u0169ng l\u1edbn h\u01a1n.<\/li>\n<li>\u0110i\u1ec1u n\u00e0y c\u0169ng l\u00e0m t\u0103ng c\u00f4ng su\u1ea5t \u0111i\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/td>\n<td>\u0110\u1ed9 m\u1ea1nh cao h\u01a1n = \u0111i\u1ec7n \u00e1p cao h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 v\u00f2ng d\u00e2y qu\u1ea5n<\/td>\n<td>Nhi\u1ec1u v\u00f2ng h\u01a1n = d\u00f2ng \u0111i\u1ec7n l\u1edbn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 quay<\/td>\n<td>Nhanh h\u01a1n = \u0111\u1ea7u ra m\u1ea1nh h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. Trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p, k\u1ef9 s\u01b0 t\u1ed1i \u01b0u h\u00f3a c\u1ea3 ba \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a.<\/p>\n<p>&nbsp;<\/p>\n<h2>\u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng th\u1ef1c nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>Sinh \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 l\u00e0 tr\u00f2 ch\u01a1i trong ph\u00f2ng th\u00ed nghi\u1ec7m. N\u00f3 l\u00e0 ph\u1ea7n c\u1ee7a cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y theo nh\u1eefng c\u00e1ch m\u00e0 h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng \u0111\u1ec3 \u00fd.<\/p>\n<p><strong>Nam ch\u00e2m gi\u00fap t\u1ea1o ra \u0111i\u1ec7n trong c\u00e1c trang tr\u1ea1i gi\u00f3, nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n, m\u00e1y ph\u00e1t \u0111i\u1ec7n xe \u0111\u1ea1p, v\u00e0 th\u1eadm ch\u00ed c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n di \u0111\u1ed9ng \u0111\u1ec3 c\u1eafm tr\u1ea1i.<\/strong><\/p>\n<h3>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 t\u1ea1o ra \u0111i\u1ec7n t\u1eeb t\u1eeb t\u1eeb tr\u01b0\u1eddng<\/h3>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf:<\/p>\n<ul>\n<li><strong>Tuabin gi\u00f3<\/strong>\n<ul>\n<li>C\u00e1nh qu\u1ea1t quay v\u00e0 l\u00e0m quay tr\u1ee5c g\u1eafn v\u1edbi rotor.<\/li>\n<li>Rotor c\u00f3 nam ch\u00e2m quay b\u00ean trong c\u00e1c cu\u1ed9n d\u00e2y d\u00e2y.<\/li>\n<li>\u0110i\u1ec7n \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn l\u01b0\u1edbi \u0111i\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n<\/strong>\n<ul>\n<li>\u00c1p l\u1ef1c n\u01b0\u1edbc t\u1eeb \u0111\u1eadp quay c\u00e1c turbine.<\/li>\n<li>C\u00e1c turbine n\u00e0y quay nam ch\u00e2m b\u00ean trong c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/li>\n<li>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ngu\u1ed3n \u0111i\u1ec7n s\u1ea1ch nh\u1ea5t quy m\u00f4 l\u1edbn.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u0110\u1ed3ng h\u1ed3 ph\u00e1t \u0111i\u1ec7n xe \u0111\u1ea1p<\/strong>\n<ul>\n<li>\u0110\u1ea1p xe quay m\u1ed9t nam ch\u00e2m nh\u1ecf g\u1ea7n cu\u1ed9n d\u00e2y.<\/li>\n<li>\u0110i\u1ec1u n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho \u0111\u00e8n pha xe \u0111\u1ea1p m\u00e0 kh\u00f4ng c\u1ea7n pin.<\/li>\n<\/ul>\n<\/li>\n<li><strong>M\u00e1y ph\u00e1t \u0111i\u1ec7n di \u0111\u1ed9ng<\/strong>\n<ul>\n<li>M\u1ed9t \u0111\u1ed9ng c\u01a1 x\u0103ng nh\u1ecf quay m\u1ed9t rotor t\u1eeb t\u00ednh.<\/li>\n<li>H\u1eefu \u00edch trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u1ea5t \u0111i\u1ec7n ho\u1eb7c \u1edf nh\u1eefng n\u01a1i xa x\u00f4i.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y d\u1ef1a v\u00e0o s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a nam ch\u00e2m. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u1ed9c l\u1eadp v\u1edbi ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i. N\u00f3 c\u0169ng cho th\u1ea5y kh\u1ea3 n\u0103ng \u0111a d\u1ea1ng c\u1ee7a vi\u1ec7c t\u1ea1o ra \u0111i\u1ec7n t\u1eeb t\u1eeb t\u1eeb t\u00ednh\u2014t\u1eeb h\u1ec7 th\u1ed1ng l\u1edbn c\u1ee7a th\u00e0nh ph\u1ed1 \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n khi ch\u00fang di chuy\u1ec3n g\u1ea7n c\u00e1c cu\u1ed9n d\u00e2y. \u00dd t\u01b0\u1edfng \u0111\u01a1n gi\u1ea3n n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ph\u1ea7n l\u1edbn th\u1ebf gi\u1edbi hi\u1ec7n \u0111\u1ea1i c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"<p>Nam ch\u00e2m c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, nh\u01b0ng ch\u00fang gi\u1eef ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n. S\u1ee9c m\u1ea1nh v\u00f4 h\u00ecnh n\u00e0y \u0111\u1ee9ng sau nhi\u1ec1u gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng hi\u1ec7n \u0111\u1ea1i m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y. \u0110\u00fang v\u1eady, nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n th\u00f4ng qua qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. Di chuy\u1ec3n m\u1ed9t nam ch\u00e2m g\u1ea7n m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n t\u1ea1o ra \u0111i\u1ec7n \u00e1p, d\u1eabn \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua. \u00dd t\u01b0\u1edfng [\u2026]<\/p>","protected":false},"author":1,"featured_media":1743,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/07\/Xnip2025-07-10_14-10-38.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=1742"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1742\/revisions"}],"predecessor-version":[{"id":1746,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1742\/revisions\/1746"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1743"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}