{"id":1765,"date":"2025-08-06T03:50:49","date_gmt":"2025-08-06T03:50:49","guid":{"rendered":"https:\/\/nbaem.com\/?p=1765"},"modified":"2025-08-06T07:31:56","modified_gmt":"2025-08-06T07:31:56","slug":"how-can-magnet-produce-electricity","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/how-can-magnet-produce-electricity\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n?"},"content":{"rendered":"<p>B\u1ea1n \u0111\u00e3 t\u1eebng t\u1ef1 h\u1ecfi\u00a0<strong>l\u00e0m th\u1ebf n\u00e0o nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n<\/strong>? C\u00f3 v\u1ebb nh\u01b0 l\u00e0 ph\u00e9p thu\u1eadt, nh\u01b0ng th\u1ef1c ra \u0111\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean l\u00fd h\u1ea5p d\u1eabn nh\u1ea5t trong v\u1eadt l\u00fd \u2014\u00a0<strong>s\u1ef1 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/strong>. T\u1eeb vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n \u0111\u1ebfn vi\u1ec7c th\u00fac \u0111\u1ea9y c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n. D\u00f9 b\u1ea1n l\u00e0 h\u1ecdc sinh, ng\u01b0\u1eddi \u0111am m\u00ea hay \u0111\u01a1n gi\u1ea3n ch\u1ec9 t\u00f2 m\u00f2 v\u1ec1 khoa h\u1ecdc \u0111\u1eb1ng sau n\u00f3, b\u1ea1n \u0111ang \u1edf \u0111\u00fang n\u01a1i \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c nam ch\u00e2m chuy\u1ec3n \u0111\u1ed9ng v\u00e0 d\u00e2y d\u1eabn ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 th\u1eafp s\u00e1ng th\u1ebf gi\u1edbi.<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t l\u1eddi gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng, \u0111\u01a1n gi\u1ea3n v\u1ec1 c\u00e1ch nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n, t\u1ea1i sao \u0111\u1ed9 m\u1ea1nh v\u00e0 lo\u1ea1i nam ch\u00e2m l\u1ea1i quan tr\u1ecdng, v\u00e0 c\u00e1ch nguy\u00ean l\u00fd n\u00e0y \u0111\u01b0\u1ee3c khai th\u00e1c trong c\u00e1c thi\u1ebft b\u1ecb th\u1ef1c t\u1ebf nh\u01b0 m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 \u0111\u1ed9ng c\u01a1. Th\u00eam v\u00e0o \u0111\u00f3, b\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c nh\u1eefng m\u1eb9o th\u1ef1c t\u1ebf v\u00e0 th\u1eadm ch\u00ed m\u1ed9t th\u00ed nghi\u1ec7m \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 th\u1eed t\u1ea1i nh\u00e0. S\u1eb5n s\u00e0ng kh\u00e1m ph\u00e1 m\u1ed1i li\u00ean h\u1ec7 tuy\u1ec7t v\u1eddi gi\u1eefa\u00a0<strong>nam ch\u00e2m v\u00e0 \u0111i\u1ec7n<\/strong>? H\u00e3y b\u1eaft \u0111\u1ea7u n\u00e0o!<\/p>\n<h2>Nguy\u00ean l\u00fd khoa h\u1ecdc: C\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/h2>\n<p>B\u1ea1n \u0111\u00e3 t\u1eebng t\u1ef1 h\u1ecfi l\u00e0m th\u1ebf n\u00e0o m\u1ed9t nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n ch\u01b0a? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m trong m\u1ed9t nguy\u00ean l\u00fd khoa h\u1ecdc g\u1ecdi l\u00e0 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. Ph\u00e1t hi\u1ec7n n\u00e0y b\u1eaft ngu\u1ed3n t\u1eeb n\u0103m 1831 khi nh\u00e0 khoa h\u1ecdc ti\u00ean phong Michael Faraday ph\u00e1t hi\u1ec7n ra r\u1eb1ng vi\u1ec7c di chuy\u1ec3n m\u1ed9t nam ch\u00e2m g\u1ea7n m\u1ed9t d\u00e2y d\u1eabn (nh\u01b0 d\u00e2y \u0111\u1ed3ng) t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd thuy\u1ebft v\u1eadt l\u00fd c\u01a1 b\u1ea3n \u0111\u1eb1ng sau n\u00f3:<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng t\u1eeb<\/strong>\u00a0l\u00e0 c\u00e1c tr\u01b0\u1eddng v\u00f4 h\u00ecnh xung quanh nam ch\u00e2m t\u1ea1o ra l\u1ef1c t\u00e1c d\u1ee5ng.<\/li>\n<li><strong>D\u00e2y d\u1eabn<\/strong>\u00a0nh\u01b0 d\u00e2y \u0111\u1ed3ng cho ph\u00e9p c\u00e1c \u0111i\u1ec7n t\u00edch di chuy\u1ec3n.<\/li>\n<li>Khi m\u1ed9t\u00a0<strong>tr\u01b0\u1eddng t\u1eeb thay \u0111\u1ed5i ho\u1eb7c di chuy\u1ec3n<\/strong>\u00a0g\u1ea7n d\u00e2y d\u1eabn, n\u00f3 \u0111\u1ea9y c\u00e1c \u0111i\u1ec7n t\u00edch trong d\u00e2y d\u1eabn, t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0<strong>s\u1ef1 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/strong>. C\u00f4ng tr\u00ecnh c\u1ee7a Faraday \u0111\u00e3 d\u1eabn \u0111\u1ebfn hai \u0111\u1ecbnh lu\u1eadt quan tr\u1ecdng:<\/p>\n<ul>\n<li><strong>\u0110\u1ecbnh lu\u1eadt c\u1ea3m \u1ee9ng c\u1ee7a Faraday<\/strong>\u00a0n\u00f3i r\u1eb1ng \u0111i\u1ec7n \u00e1p c\u1ea3m \u1ee9ng trong m\u1ed9t d\u00e2y d\u1eabn t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i c\u1ee7a t\u1eeb tr\u01b0\u1eddng xung quanh n\u00f3.<\/li>\n<li><strong>\u0110\u1ecbnh lu\u1eadt Lenz<\/strong>\u00a0cho ch\u00fang ta bi\u1ebft r\u1eb1ng d\u00f2ng \u0111i\u1ec7n sinh ra s\u1ebd ch\u1ea3y theo h\u01b0\u1edbng ch\u1ed1ng l\u1ea1i s\u1ef1 thay \u0111\u1ed5i c\u1ee7a t\u1eeb tr\u01b0\u1eddng \u0111\u00e3 t\u1ea1o ra n\u00f3.<\/li>\n<\/ul>\n<p>N\u00f3i \u0111\u01a1n gi\u1ea3n, vi\u1ec7c di chuy\u1ec3n nam ch\u00e2m g\u1ea7n d\u00e2y ho\u1eb7c thay \u0111\u1ed5i t\u1eeb tr\u01b0\u1eddng s\u1ebd t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n. Nguy\u00ean l\u00fd n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, bi\u1ebfn \u00e1p v\u00e0 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00e1c. Hi\u1ec3u r\u00f5 \u0111i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3i th\u00edch vai tr\u00f2 quan tr\u1ecdng c\u1ee7a nam ch\u00e2m trong vi\u1ec7c t\u1ea1o ra \u0111i\u1ec7n ng\u00e0y nay.<\/p>\n<h2>C\u00e1ch Nam Ch\u00e2m T\u1ea1o Ra \u0110i\u1ec7n Theo T\u1eebng B\u01b0\u1edbc<\/h2>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/artseo.cn\/apis\/uploads\/20250806\/Magnet_Electricity_Generation_Process_m2u.webp\" alt=\"Quy tr\u00ecnh t\u1ea1o \u0111i\u1ec7n t\u1eeb nam ch\u00e2m\" width=\"1028\" height=\"685\" \/><\/p>\n<p>\u0110i\u1ec7n t\u1eeb nam ch\u00e2m x\u1ea3y ra khi m\u1ed9t nam ch\u00e2m di chuy\u1ec3n g\u1ea7n m\u1ed9t cu\u1ed9n d\u00e2y ho\u1eb7c d\u00e2y di chuy\u1ec3n g\u1ea7n nam ch\u00e2m. H\u00e0nh \u0111\u1ed9ng n\u00e0y t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed5i xung quanh d\u00e2y, khi\u1ebfn d\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong d\u00e2y.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao chuy\u1ec3n \u0111\u1ed9ng l\u1ea1i quan tr\u1ecdng:<\/p>\n<ul>\n<li><strong>Chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i<\/strong>\u00a0gi\u1eefa t\u1eeb tr\u01b0\u1eddng v\u00e0 d\u00e2y d\u1eabn (d\u00e2y) l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. N\u1ebfu c\u1ea3 nam ch\u00e2m v\u00e0 d\u00e2y \u0111\u1ec1u \u0111\u1ee9ng y\u00ean, kh\u00f4ng c\u00f3 \u0111i\u1ec7n n\u00e0o \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/li>\n<li>Di chuy\u1ec3n nam ch\u00e2m qua l\u1ea1i g\u1ea7n cu\u1ed9n d\u00e2y thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng t\u1eeb b\u00ean trong cu\u1ed9n d\u00e2y.<\/li>\n<li>T\u1eeb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed5i n\u00e0y \u0111\u1ea9y c\u00e1c electron qua d\u00e2y, t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>\u0110\u1ed9 m\u1ea1nh v\u00e0 h\u01b0\u1edbng c\u1ee7a d\u00f2ng \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1:<\/p>\n<ul>\n<li><strong>T\u1ed1c \u0111\u1ed9 di chuy\u1ec3n c\u1ee7a nam ch\u00e2m<\/strong>: Di chuy\u1ec3n nhanh h\u01a1n s\u1ebd t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n m\u1ea1nh h\u01a1n.<\/li>\n<li><strong>\u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/strong>: Nam ch\u00e2m m\u1ea1nh h\u01a1n t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec7n h\u01a1n.<\/li>\n<li><strong>S\u1ed1 v\u00f2ng d\u00e2y trong cu\u1ed9n d\u00e2y<\/strong>: Nhi\u1ec1u v\u00f2ng d\u00e2y h\u01a1n b\u1eaft \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u01b0\u1eddng t\u1eeb tr\u01b0\u1eddng h\u01a1n, t\u1ea1o ra nhi\u1ec1u d\u00f2ng \u0111i\u1ec7n h\u01a1n.<\/li>\n<\/ul>\n<p>M\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n b\u1ea1n c\u00f3 th\u1ec3 th\u1eed l\u00e0 m\u1ed9t cu\u1ed9n d\u00e2y nh\u1ecf v\u00e0 m\u1ed9t nam ch\u00e2m. Di chuy\u1ec3n nam ch\u00e2m v\u0129nh c\u1eedu v\u00e0o v\u00e0 ra kh\u1ecfi cu\u1ed9n d\u00e2y l\u00e0m d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n b\u1eb1ng ampe k\u1ebf ho\u1eb7c b\u1eb1ng c\u00e1ch l\u00e0m s\u00e1ng m\u1ed9t \u0111\u00e8n LED nh\u1ecf. Th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf n\u00e0y th\u1ec3 hi\u1ec7n c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb trong h\u00e0nh \u0111\u1ed9ng, ch\u1ee9ng minh c\u00e1ch nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n.<\/p>\n<h2>C\u00e1c lo\u1ea1i nam ch\u00e2m d\u00f9ng trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra \u0111i\u1ec7n, c\u00f3 hai lo\u1ea1i nam ch\u00e2m ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:\u00a0<strong>nam ch\u00e2m v\u0129nh c\u1eedu<\/strong>\u00a0v\u00e0\u00a0<strong>nam ch\u00e2m \u0111i\u1ec7n<\/strong>.<\/p>\n<p><strong>Nam ch\u00e2m v\u0129nh c\u1eedu<\/strong>\u00a0gi\u1eef \u0111\u01b0\u1ee3c tr\u01b0\u1eddng t\u1eeb c\u1ee7a ch\u00fang m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec7n n\u0103ng. Ch\u00fang \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 neodymium, ferrite ho\u1eb7c c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm kh\u00e1c. Nam ch\u00e2m neodymium \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn v\u00ec ch\u00fang c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd m\u1eb7c d\u00f9 k\u00edch th\u01b0\u1edbc nh\u1ecf, \u0111i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang ph\u00f9 h\u1ee3p cho c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p><strong>Nam ch\u00e2m \u0111i\u1ec7n<\/strong>, m\u1eb7t kh\u00e1c, t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb ch\u1ec9 khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ed9t cu\u1ed9n d\u00e2y. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t l\u1ef1c t\u1eeb t\u1ed1t h\u01a1n v\u00ec b\u1ea1n c\u00f3 th\u1ec3 b\u1eadt ho\u1eb7c t\u1eaft v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t theo nhu c\u1ea7u.<\/p>\n<h3>T\u1ea1i sao \u0111\u1ed9 m\u1ea1nh c\u1ee7a t\u1eeb v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u1ea1i quan tr\u1ecdng<\/h3>\n<p>\u0110\u1ed9 m\u1ea1nh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u t\u1eeb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra. Nam ch\u00e2m m\u1ea1nh h\u01a1n t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb m\u1ea1nh h\u01a1n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 d\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng trong c\u00e1c cu\u1ed9n d\u00e2y s\u1ebd l\u1edbn h\u01a1n. V\u1eadt li\u1ec7u t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 tu\u1ed5i th\u1ecd l\u00e2u h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n, \u0111\u00f3 l\u00e0 l\u00fd do c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam \u01b0u ti\u00ean s\u1eed d\u1ee5ng nam ch\u00e2m neodymium v\u00e0 ferrite cao c\u1ea5p cho m\u1ecdi th\u1ee9 t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p \u0111\u1ebfn c\u00e1c d\u1ef1 \u00e1n t\u1ef1 ch\u1ebf t\u1ea1i nh\u00e0.<\/p>\n<p>S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i nam ch\u00e2m kh\u00f4ng ch\u1ec9 n\u00e2ng cao hi\u1ec7u qu\u1ea3 m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 turbine gi\u00f3 ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n th\u1ee7y l\u1ef1c n\u01a1i c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ch\u1ecdn l\u1ef1a v\u1eadt li\u1ec7u t\u1eeb t\u1ed1t nh\u1ea5t l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 n\u00e2ng cao h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tr\u00ean to\u00e0n di\u1ec7n.<\/p>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n trong \u0111\u1eddi s\u1ed1ng<\/h2>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n xu\u1ea5t hi\u1ec7n \u1edf kh\u1eafp n\u01a1i\u2014t\u1eeb nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf\u2014v\u00e0 t\u1ea5t c\u1ea3 \u0111\u1ec1u d\u1ef1a v\u00e0o nam ch\u00e2m \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n. B\u00ean trong m\u00e1y ph\u00e1t, nam ch\u00e2m l\u00e0m vi\u1ec7c c\u00f9ng c\u00e1c cu\u1ed9n d\u00e2y \u0111\u1ec3 t\u1ea1o d\u00f2ng \u0111i\u1ec7n b\u1eb1ng c\u00e1ch quay ho\u1eb7c di chuy\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi nhau. \u0110\u00e2y l\u00e0 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n gi\u00fap h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>Trong n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong turbine gi\u00f3 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n th\u1ee7y l\u1ef1c. Khi gi\u00f3 ho\u1eb7c n\u01b0\u1edbc l\u00e0m quay c\u00e1nh turbine, c\u00e1c nam ch\u00e2m b\u00ean trong m\u00e1y ph\u00e1t quay qua c\u00e1c cu\u1ed9n d\u00e2y, t\u1ea1o ra \u0111i\u1ec7n s\u1ea1ch m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed1t nhi\u00ean li\u1ec7u. \u0110i\u1ec1u n\u00e0y khi\u1ebfn nam ch\u00e2m tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu cho c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng b\u1ec1n v\u1eefng t\u1ea1i Vi\u1ec7t Nam, n\u01a1i n\u0103ng l\u01b0\u1ee3ng gi\u00f3 v\u00e0 th\u1ee7y \u0111i\u1ec7n \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng.<\/p>\n<p>Nam ch\u00e2m c\u0169ng r\u1ea5t quan tr\u1ecdng trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 bi\u1ebfn \u00e1p. \u0110\u1ed9ng c\u01a1 s\u1eed d\u1ee5ng t\u1eeb tr\u01b0\u1eddng \u0111\u1ec3 bi\u1ebfn d\u00f2ng \u0111i\u1ec7n th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi th\u1ee9 t\u1eeb thi\u1ebft b\u1ecb gia d\u1ee5ng \u0111\u1ebfn \u00f4 t\u00f4 \u0111i\u1ec7n. Bi\u1ebfn \u00e1p d\u1ef1a v\u00e0o nam ch\u00e2m \u0111\u1ec3 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, gi\u1eef cho d\u00f2ng \u0111i\u1ec7n l\u01b0u th\u00f4ng tr\u01a1n tru tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n.<\/p>\n<p>Trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, b\u1ea1n s\u1ebd th\u1ea5y nam ch\u00e2m trong c\u00e1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, v\u00e0 th\u1eadm ch\u00ed trong c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf. Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng th\u00e0nh \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i khi\u1ebfn ch\u00fang tr\u1edf n\u00ean v\u00f4 gi\u00e1 trong h\u00e0ng tr\u0103m \u1ee9ng d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 c\u00f4ng ngh\u1ec7 hi\u1ec7u qu\u1ea3 v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h2>C\u00e1ch c\u00e1c v\u1eadt li\u1ec7u t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng cao n\u00e2ng cao s\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/h2>\n<p>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1eeb \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n. Nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng cao t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb m\u1ea1nh h\u01a1n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n, t\u1eeb \u0111\u00f3 tr\u1ef1c ti\u1ebfp c\u1ea3i thi\u1ec7n l\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 \u0111\u1ed9ng c\u01a1. N\u00f3i c\u00e1ch kh\u00e1c, nam ch\u00e2m t\u1ed1t h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi hi\u1ec7u su\u1ea5t \u0111i\u1ec7n t\u1ed1t h\u01a1n.<\/p>\n<p>NBAEM cung c\u1ea5p c\u00e1c v\u1eadt li\u1ec7u t\u1eeb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n. C\u00e1c nam ch\u00e2m c\u1ee7a h\u1ecd, bao g\u1ed3m c\u00e1c lo\u1ea1i neodymium m\u1ea1nh m\u1ebd v\u00e0 nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm, mang l\u1ea1i s\u1ee9c m\u1ea1nh t\u1eeb v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y gi\u00fap gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p>H\u01a1n n\u1eefa, NBAEM t\u00f9y ch\u1ec9nh v\u1eadt li\u1ec7u t\u1eeb \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u1ed9c \u0111\u00e1o. D\u00f9 b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t \u0111\u1ed9ng c\u01a1 nh\u1ecf hay m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n l\u1edbn, c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh c\u1ee7a h\u1ecd \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. Vi\u1ec7c t\u00f9y ch\u1ec9nh n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 k\u1ef9 s\u01b0 t\u1ea1i Vi\u1ec7t Nam c\u00f3 \u0111\u01b0\u1ee3c nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh x\u00e1c\u2014t\u0103ng n\u0103ng su\u1ea5t v\u00e0 gi\u1ea3m th\u1eddi gian ch\u1ebft.<\/p>\n<p>S\u1eed d\u1ee5ng nam ch\u00e2m cao c\u1ea5p t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 NBAEM l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 x\u00e2y d\u1ef1ng thi\u1ebft b\u1ecb \u0111i\u1ec7n hi\u1ec7u qu\u1ea3, b\u1ec1n l\u00e2u v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng hi\u1ec7n nay.<\/p>\n<h2>Th\u00ed nghi\u1ec7m \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u1ef1 xem nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>B\u1ea1n kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p \u0111\u1ec3 th\u1ea5y c\u00e1ch nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nhanh, th\u1ef1c h\u00e0nh \u0111\u1ec3 h\u00ecnh dung c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb m\u1ed9t c\u00e1ch tr\u1ef1c quan.<\/p>\n<h3>Nh\u1eefng v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/h3>\n<ul>\n<li>M\u1ed9t nam ch\u00e2m m\u1ea1nh (m\u1ed9t<a href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong> nam ch\u00e2m neodymium<\/strong><\/span><\/a> ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t)<\/li>\n<li>M\u1ed9t cu\u1ed9n d\u00e2y \u0111\u1ed3ng (kho\u1ea3ng 100 v\u00f2ng)<\/li>\n<li>M\u1ed9t ampe k\u1ebf (\u0111\u1ec3 ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n) ho\u1eb7c m\u1ed9t \u0111\u00e8n LED nh\u1ecf<\/li>\n<\/ul>\n<h3>H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc<\/h3>\n<ol>\n<li><strong>Thi\u1ebft l\u1eadp cu\u1ed9n d\u00e2y:<\/strong>\u00a0K\u1ebft n\u1ed1i c\u00e1c \u0111\u1ea7u c\u1ee7a cu\u1ed9n d\u00e2y \u0111\u1ed3ng v\u1edbi c\u00e1c c\u1ef1c c\u1ee7a ampe k\u1ebf ho\u1eb7c \u0111\u00e8n LED.<\/li>\n<li><strong>Di chuy\u1ec3n nam ch\u00e2m:<\/strong>\u00a0Nhanh ch\u00f3ng \u0111\u1ea9y nam ch\u00e2m v\u00e0o v\u00e0 ra kh\u1ecfi trung t\u00e2m c\u1ee7a cu\u1ed9n d\u00e2y.<\/li>\n<li><strong>Quan s\u00e1t ph\u1ea3n \u1ee9ng:<\/strong>\u00a0Kim c\u1ee7a ampe k\u1ebf s\u1ebd di chuy\u1ec3n, ho\u1eb7c \u0111\u00e8n LED c\u00f3 th\u1ec3 s\u00e1ng l\u00ean trong ch\u1ed1c l\u00e1t m\u1ed7i khi nam ch\u00e2m di chuy\u1ec3n.<\/li>\n<li><strong>Th\u1eed \u0111\u1ea3o chi\u1ec1u:<\/strong>\u00a0K\u00e9o nam ch\u00e2m ra ch\u1eadm ho\u1eb7c \u0111\u1ea9y nhanh \u0111\u1ec3 xem kim ho\u1eb7c \u0111\u00e8n thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o.<\/li>\n<\/ol>\n<h3>Nh\u1eefng g\u00ec b\u1ea1n \u0111ang th\u1ea5y<\/h3>\n<p>Khi nam ch\u00e2m di chuy\u1ec3n qua cu\u1ed9n d\u00e2y, tr\u01b0\u1eddng t\u1eeb c\u1ee7a n\u00f3 thay \u0111\u1ed5i b\u00ean trong v\u00f2ng d\u00e2y. S\u1ef1 thay \u0111\u1ed5i c\u1ee7a tr\u01b0\u1eddng t\u1eeb n\u00e0y g\u00e2y ra d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua \u2014 \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c ampe k\u1ebf ho\u1eb7c \u0111\u00e8n LED ph\u00e1t hi\u1ec7n. \u0110\u00e2y l\u00e0 m\u1ed9t minh h\u1ecda \u0111\u01a1n gi\u1ea3n c\u1ee7a\u00a0<strong>\u0111\u1ecbnh lu\u1eadt c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb c\u1ee7a Faraday<\/strong>\u00a0\u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y cho th\u1ea5y c\u00e1ch\u00a0<strong>chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa t\u1eeb tr\u01b0\u1eddng v\u00e0 d\u00e2y d\u1eabn<\/strong>\u00a0t\u1ea1o ra \u0111i\u1ec7n. C\u00e0ng nhanh nam ch\u00e2m di chuy\u1ec3n, ho\u1eb7c nam ch\u00e2m c\u00e0ng m\u1ea1nh, d\u00f2ng \u0111i\u1ec7n b\u1ea1n th\u1ea5y s\u1ebd c\u00e0ng l\u1edbn. \u0110\u00f3 l\u00e0 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n \u0111\u1eb1ng sau c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n th\u1ef1c t\u1ebf h\u00e0ng ng\u00e0y.<\/p>\n<h2>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n d\u1ef1a tr\u00ean nam ch\u00e2m<\/h2>\n<p>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n d\u1ef1a tr\u00ean nam ch\u00e2m \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng nh\u1edd nh\u1eefng ti\u1ebfn b\u1ed9 trong v\u1eadt li\u1ec7u t\u1eeb t\u00ednh. C\u00e1c c\u00f4ng ty v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i nam ch\u00e2m m\u1ea1nh h\u01a1n, nh\u1eb9 h\u01a1n \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, gi\u00fap t\u1ea1o ra nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n trong khi ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n.<\/p>\n<p>M\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 m\u1edbi th\u00fa v\u1ecb \u0111ang xu\u1ea5t hi\u1ec7n, s\u1eed d\u1ee5ng t\u1eeb t\u00ednh theo nh\u1eefng c\u00e1ch s\u00e1ng t\u1ea1o:<\/p>\n<ul>\n<li><strong>L\u00e0m l\u1ea1nh t\u1eeb t\u00ednh<\/strong>: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t nh\u00e0 v\u00e0 doanh nghi\u1ec7p th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u1eeb tr\u01b0\u1eddng thay v\u00ec ch\u1ea5t l\u00e0m l\u1ea1nh d\u1ef1a tr\u00ean kh\u00ed truy\u1ec1n th\u1ed1ng. N\u00f3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/li>\n<li><strong>Chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng d\u00e2y<\/strong>: S\u1eed d\u1ee5ng t\u1eeb tr\u01b0\u1eddng \u0111\u1ec3 truy\u1ec1n \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y, d\u1ec5 d\u00e0ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c xe \u0111i\u1ec7n m\u1ed9t c\u00e1ch ti\u1ec7n l\u1ee3i v\u00e0 d\u1ec5 d\u00e0ng.<\/li>\n<li><strong>Nam ch\u00e2m hi\u1ec7u su\u1ea5t cao<\/strong>: C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 neodymium v\u00e0 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn, cho ph\u00e9p c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n cung c\u1ea5p nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n trong m\u1ed9t k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o nh\u01b0 gi\u00f3 v\u00e0 th\u1ee7y \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>Nh\u1eefng xu h\u01b0\u1edbng n\u00e0y m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi cho c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch h\u01a1n, th\u00f4ng minh h\u01a1n, bi\u1ebfn s\u1ea3n xu\u1ea5t \u0111i\u1ec7n d\u1ef1a tr\u00ean nam ch\u00e2m tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong t\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 nam ch\u00e2m v\u00e0 \u0111i\u1ec7n<\/h2>\n<h3>M\u1ed9t nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u1ec1u t\u1ea1o ra \u0111i\u1ec7n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. \u0110\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c, nam ch\u00e2m c\u1ea7n ph\u1ea3i di chuy\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i so v\u1edbi d\u00e2y d\u1eabn ho\u1eb7c c\u00f3 m\u1ed9t tr\u01b0\u1eddng t\u1eeb bi\u1ebfn \u0111\u1ed5i \u1edf g\u1ea7n. C\u00e1c lo\u1ea1i nam ch\u00e2m m\u1ea1nh h\u01a1n, nh\u01b0 nam ch\u00e2m neodymium, th\u01b0\u1eddng l\u00e0m t\u1ed1t h\u01a1n v\u00ec tr\u01b0\u1eddng t\u1eeb c\u1ee7a ch\u00fang m\u1ea1nh h\u01a1n.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc ho\u1eb7c h\u00ecnh d\u1ea1ng c\u00f3 quan tr\u1ecdng kh\u00f4ng?<\/h3>\n<p>C\u00f3, c\u1ea3 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n m\u00e0 nam ch\u00e2m c\u00f3 th\u1ec3 gi\u00fap t\u1ea1o ra. Nam ch\u00e2m l\u1edbn h\u01a1n ho\u1eb7c c\u00f3 h\u00ecnh d\u1ea1ng t\u1eadp trung tr\u01b0\u1eddng t\u1eeb (nh\u01b0 nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a) th\u01b0\u1eddng g\u00e2y ra d\u00f2ng \u0111i\u1ec7n m\u1ea1nh h\u01a1n. Ngo\u00e0i ra, s\u1ed1 v\u00f2ng d\u00e2y qu\u1ea5n quanh nam ch\u00e2m c\u00e0ng nhi\u1ec1u th\u00ec c\u00f4ng su\u1ea5t c\u00e0ng l\u1edbn.<\/p>\n<h3>L\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/h3>\n<p>S\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 t\u1ea1o \u0111i\u1ec7n gi\u00fap c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch t\u1ecfa s\u00e1ng. C\u00e1c nam ch\u00e2m trong m\u00e1y ph\u00e1t \u0111i\u1ec7n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho turbine gi\u00f3 v\u00e0 nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n m\u00e0 kh\u00f4ng ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh. \u0110i\u1ec1u n\u00e0y gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch v\u00e0 gi\u1ea3m \u00f4 nhi\u1ec5m, l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n.<\/p>\n<h3>NBAEM \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1eeb t\u00ednh nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>NBAEM t\u1eadp trung v\u00e0o c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao, nh\u01b0 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm neodymium v\u00e0 ferrite, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t. Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ecd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 m\u1ea1nh t\u1eeb v\u00e0 \u0111\u1ed9 b\u1ec1n nh\u1ea5t qu\u00e1n, gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n. Th\u00eam v\u00e0o \u0111\u00f3, NBAEM t\u00f9y ch\u1ec9nh c\u00e1c lo\u1ea1i nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhu c\u1ea7u k\u1ef9 thu\u1eadt \u0111i\u1ec7n c\u1ee5 th\u1ec3 cho kh\u00e1ch h\u00e0ng t\u1ea1i Vi\u1ec7t Nam, h\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u00e1ng tin c\u1eady v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1ch nam ch\u00e2m t\u1ea1o ra \u0111i\u1ec7n th\u00f4ng qua c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb v\u1edbi c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u00e0 v\u1eadt li\u1ec7u t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb NBAEM.<\/p>","protected":false},"author":1,"featured_media":1764,"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-1765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/How_can_magnet_produce_electricity_qii.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1765","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=1765"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1765\/revisions"}],"predecessor-version":[{"id":1812,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1765\/revisions\/1812"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1764"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}