{"id":3132,"date":"2025-10-03T01:41:58","date_gmt":"2025-10-03T01:41:58","guid":{"rendered":"https:\/\/nbaem.com\/?p=3132"},"modified":"2025-10-03T01:50:08","modified_gmt":"2025-10-03T01:50:08","slug":"why-are-segment-magnets-so-efficient","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/why-are-segment-magnets-so-efficient\/","title":{"rendered":"T\u1ea1i sao nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n l\u1ea1i r\u1ea5t hi\u1ec7u qu\u1ea3 trong thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n"},"content":{"rendered":"<p><strong>T\u1ea1i sao nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n l\u1ea1i hi\u1ec7u qu\u1ea3 \u0111\u1ebfn v\u1eady?<\/strong> N\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi \u0111i\u1ec1u g\u00ec l\u00e0m cho nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n n\u1ed5i b\u1eadt trong c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao\u2014t\u1eeb xe \u0111i\u1ec7n \u0111\u1ebfn turbine gi\u00f3\u2014\u0111\u00e2y ch\u00ednh l\u00e0 n\u01a1i ph\u00e9p thu\u1eadt th\u1ef1c s\u1ef1 di\u1ec5n ra. Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u1ea1i v\u00f2ng cung neodymium, gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd c\u00e1c d\u00f2ng eddy phi\u1ec1n to\u00e1i, t\u1eadp trung tr\u01b0\u1eddng t\u1eeb \u0111\u1ec3 t\u1ea1o ra c\u00f4ng su\u1ea5t m\u1ea1nh h\u01a1n, v\u00e0 cung c\u1ea5p c\u00e1c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p t\u00f9y ch\u1ec9nh gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 nh\u01b0 ch\u01b0a t\u1eebng c\u00f3. Trong m\u1ed9t th\u1ebf gi\u1edbi lu\u00f4n s\u0103n \u0111u\u1ed5i t\u1eebng ph\u1ea7n tr\u0103m hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1, vi\u1ec7c hi\u1ec3u t\u1ea1i sao <strong>nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n<\/strong> chi\u1ebfm \u01b0u th\u1ebf v\u1ec1 hi\u1ec7u qu\u1ea3 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111i\u1ec1u th\u00f4ng minh\u2014m\u00e0 c\u00f2n r\u1ea5t c\u1ea7n thi\u1ebft. H\u00e3y \u1edf l\u1ea1i, v\u00e0 b\u1ea1n s\u1ebd kh\u00e1m ph\u00e1 c\u00e1ch ph\u00e2n \u0111o\u1ea1n th\u00f4ng minh bi\u1ebfn s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng th\u00f4 th\u00e0nh \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady, v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u1edf c\u1ea5p \u0111\u1ed9 ti\u1ebfp theo.<\/p>\n<div id=\"attachment_387\" style=\"width: 559px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-387\" class=\"wp-image-387\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets.jpg\" alt=\"nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n\" width=\"549\" height=\"323\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-200x118.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-300x177.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-400x236.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-600x353.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-768x452.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets.jpg 800w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/><p id=\"caption-attachment-387\" class=\"wp-caption-text\">nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n<\/p><\/div>\n<h2>Khoa h\u1ecdc \u0111\u1eb1ng sau l\u1ee3i th\u1ebf hi\u1ec7u qu\u1ea3 c\u1ee7a nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n<\/h2>\n<p>Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n ch\u1ee7 y\u1ebfu nh\u1edd v\u00e0o c\u00e1ch ch\u00fang qu\u1ea3n l\u00fd flux t\u1eeb v\u00e0 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng. \u1ede trung t\u00e2m, nh\u1eefng nam ch\u00e2m n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 c\u00e1c nam ch\u00e2m neodymium ph\u00e2n \u0111o\u1ea1n, ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u nam ch\u00e2m \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c ph\u1ea7n h\u00ecnh v\u00f2ng cung ch\u00ednh x\u00e1c. Vi\u1ec7c ph\u00e2n \u0111o\u1ea1n n\u00e0y cho ph\u00e9p t\u1eadp trung flux t\u1ed1t h\u01a1n v\u00e0 \u0111\u1ed3ng nh\u1ea5t h\u01a1n\u2014nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng.<\/p>\n<p><strong>T\u1eadp trung flux v\u00e0 \u0111\u1ed3ng nh\u1ea5t<\/strong> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1ch m\u00e0 tr\u01b0\u1eddng t\u1eeb \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 \u0111\u1ec1u v\u00e0 hi\u1ec7u qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o. Trong c\u00e1c nam ch\u00e2m kh\u1ed1i truy\u1ec1n th\u1ed1ng, flux c\u00f3 th\u1ec3 r\u00f2 r\u1ec9 ho\u1eb7c tr\u1edf n\u00ean kh\u00f4ng \u0111\u1ec1u, l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3. Nam ch\u00e2m v\u00f2ng cung ph\u00e2n \u0111o\u1ea1n ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t cong, nh\u01b0 trong c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, d\u1eabn \u0111\u1ebfn tr\u01b0\u1eddng t\u1eeb m\u1ea1nh h\u01a1n, nh\u1ea5t qu\u00e1n h\u01a1n, gi\u00fap t\u0103ng m\u00f4-men xo\u1eafn v\u00e0 gi\u1ea3m l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>M\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c l\u00e0 <strong>ch\u1ed1ng l\u1ea1i d\u00f2ng eddy<\/strong>, m\u1ed9t th\u1ee7 ph\u1ea1m \u1ea9n g\u00e2y gi\u1ea3m hi\u1ec7u qu\u1ea3 ph\u1ed5 bi\u1ebfn. D\u00f2ng eddy l\u00e0 c\u00e1c v\u00f2ng d\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng trong nam ch\u00e2m ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i xung quanh, t\u1ea1o ra nhi\u1ec7t v\u00e0 l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng. Ph\u00e2n \u0111o\u1ea1n chia nh\u1ecf v\u1eadt li\u1ec7u nam ch\u00e2m th\u00e0nh c\u00e1c ph\u1ea7n ri\u00eang bi\u1ec7t, gi\u1ea3m \u0111\u00e1ng k\u1ec3 c\u00e1c d\u00f2ng n\u00e0y v\u00e0 t\u1ed5n th\u1ea5t li\u00ean quan.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng l\u1ea1i <strong>\u1ea3nh h\u01b0\u1edfng nhi\u1ec7t v\u00e0 m\u1ea5t t\u1eeb<\/strong>. Nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 c\u00e1c tr\u01b0\u1eddng t\u1eeb \u0111\u1ed1i l\u1eadp c\u00f3 th\u1ec3 l\u00e0m y\u1ebfu nam ch\u00e2m theo th\u1eddi gian. Thi\u1ebft k\u1ebf ph\u00e2n \u0111o\u1ea1n, k\u1ebft h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u NdFeB (neodymium s\u1eaft boron) ch\u1ea5t l\u01b0\u1ee3ng cao, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 duy tr\u00ec s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng, g\u00f3p ph\u1ea7n v\u00e0o \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e2u d\u00e0i.<\/p>\n<p>T\u00f3m l\u1ea1i, khoa h\u1ecdc \u0111\u1eb1ng sau nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n t\u1eadp trung v\u00e0o t\u1ed1i \u01b0u h\u00f3a flux t\u1eeb, gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t d\u00f2ng eddy, v\u00e0 n\u00e2ng cao \u0111\u1ed9 b\u1ec1n\u2014l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn n\u1ed5i b\u1eadt cho hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao kh\u00e1c.<\/p>\n<h2>C\u00e1c l\u1ee3i \u00edch ch\u00ednh c\u1ee7a nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n so v\u1edbi thi\u1ebft k\u1ebf truy\u1ec1n th\u1ed1ng<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Segmented_Magnets_Benefits_9Sk0xOfek.webp\" alt=\"L\u1ee3i \u00edch c\u1ee7a Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n\" \/><\/p>\n<p>Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch r\u00f5 r\u00e0ng so v\u1edbi nam ch\u00e2m m\u1ed9t kh\u1ed1i truy\u1ec1n th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang n\u1ed5i b\u1eadt:<\/p>\n<ul>\n<li>\n<h3>T\u1eadp trung flux t\u1ed1t h\u01a1n<\/h3>\n<p>Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 nam ch\u00e2m neodymium ph\u00e2n \u0111o\u1ea1n, t\u1eadp trung tr\u01b0\u1eddng t\u1eeb \u0111\u1ec1u h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a tr\u01b0\u1eddng t\u1eeb, gi\u00fap \u0111\u1ed9ng c\u01a1 ho\u1eb7c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<li>\n<h3>Gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t d\u00f2ng eddy<\/h3>\n<p>Nam ch\u00e2m truy\u1ec1n th\u1ed1ng c\u00f3 th\u1ec3 t\u1ea1o ra d\u00f2ng eddy g\u00e2y l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng v\u00e0 sinh nhi\u1ec7t. Vi\u1ec7c ph\u00e2n \u0111o\u1ea1n nam ch\u00e2m ph\u00e1 v\u1ee1 c\u00e1c v\u00f2ng n\u00e0y, gi\u1ea3m thi\u1ec3u d\u00f2ng eddy trong \u0111\u1ed9ng c\u01a1 v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3.<\/li>\n<li>\n<h3>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/h3>\n<p>Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n x\u1eed l\u00fd nhi\u1ec7t t\u1ed1t h\u01a1n. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec nhi\u1ec7t d\u01b0 th\u1eeba c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t t\u1eeb t\u00ednh ho\u1eb7c g\u00e2y h\u01b0 h\u1ecfng nam ch\u00e2m. Ph\u00e2n \u0111o\u1ea1n gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd nam ch\u00e2m v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t.<\/li>\n<li>\n<h3>M\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn cao h\u01a1n<\/h3>\n<p>Nh\u1edd h\u00ecnh d\u1ea1ng v\u00e0 v\u1ecb tr\u00ed t\u1ed1i \u01b0u, nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u00f4-men xo\u1eafn cao h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c \u0111\u1ed9ng c\u01a1 nh\u1ecf h\u01a1n, nh\u1eb9 h\u01a1n c\u00f3 th\u1ec3 t\u00edch h\u1ee3p nhi\u1ec1u c\u00f4ng su\u1ea5t h\u01a1n\u2014\u0111i\u1ec1u n\u00e0y r\u1ea5t \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao trong thi\u1ebft k\u1ebf nam ch\u00e2m rotor c\u1ee7a xe \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ecf g\u1ecdn kh\u00e1c.<\/li>\n<li>\n<h3>Thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh<\/h3>\n<p>Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n cho ph\u00e9p t\u1ea1o h\u00ecnh d\u1ea1ng ph\u00f9 h\u1ee3p, nh\u01b0 t\u1eadp trung t\u1eeb tr\u01b0\u1eddng c\u1ee7a nam ch\u00e2m cung trong c\u00e1c nh\u00e0 cung c\u1ea5p ph\u00e2n \u0111o\u1ea1n cung t\u00f9y ch\u1ec9nh, ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 ti\u00ean ti\u1ebfn. S\u1ef1 linh ho\u1ea1t n\u00e0y l\u00e0 ch\u00eca kh\u00f3a cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 cao.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n k\u1ebft h\u1ee3p hi\u1ec7u qu\u1ea3, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng th\u00edch nghi theo c\u00e1ch m\u00e0 nam ch\u00e2m truy\u1ec1n th\u1ed1ng kh\u00f3 c\u00f3 th\u1ec3 s\u00e1nh k\u1ecbp. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao v\u00e0 h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng tr\u00ean th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u.<\/p>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf n\u01a1i hi\u1ec7u qu\u1ea3 t\u1ecfa s\u00e1ng<\/h2>\n<p>Nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n th\u1ef1c s\u1ef1 th\u1ec3 hi\u1ec7n s\u1ee9c m\u1ea1nh trong s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u01a1i hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng.<\/p>\n<h3>\u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/h3>\n<p>Trong \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n, nam ch\u00e2m neodymium ph\u00e2n \u0111o\u1ea1n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng b\u1eb1ng c\u00e1ch c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a tr\u01b0\u1eddng t\u1eeb v\u00e0 gi\u1ea3m t\u1ed5n th\u1ea5t d\u00f2ng eddy. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn cao h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 t\u1ed1t h\u01a1n. T\u1eadp trung t\u1eeb tr\u01b0\u1eddng ch\u00ednh x\u00e1c t\u1eeb c\u00e1c ph\u00e2n \u0111o\u1ea1n h\u00ecnh cung gi\u00fap \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 m\u00e1t h\u01a1n\u2014r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a c\u00e1c nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n n\u00e0y.<\/p>\n<h3>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 h\u01a1n th\u1ebf n\u1eefa<\/h3>\n<p>C\u00e1c turbine gi\u00f3 v\u00e0 h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u0169ng h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c nam ch\u00e2m n\u00e0y. Nam ch\u00e2m NdFeB ph\u00e2n \u0111o\u1ea1n g\u00f3p ph\u1ea7n v\u00e0o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady, m\u1ea1nh m\u1ebd c\u1ee7a c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n, \u0111\u1ea3m b\u1ea3o s\u1ea3n l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n thay \u0111\u1ed5i. N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn c\u00e1ch nam ch\u00e2m th\u00fac \u0111\u1ea9y n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, h\u00e3y xem c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3. Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb v\u00e0 ch\u1ecbu nhi\u1ec7t c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn y\u00eau th\u00edch trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, th\u1ef1c t\u1ebf.<\/p>\n<h3>Xu h\u01b0\u1edbng m\u1edbi n\u1ed5i trong xe \u0111i\u1ec7n v\u00e0 \u0111\u01b0\u1eddng s\u1eaft cao t\u1ed1c<\/h3>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a xe \u0111i\u1ec7n (EV) v\u00e0 \u0111\u01b0\u1eddng s\u1eaft cao t\u1ed1c th\u00fac \u0111\u1ea9y nhu c\u1ea7u v\u1ec1 nam ch\u00e2m c\u00f3 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n h\u00e0ng \u0111\u1ea7u. Thi\u1ebft k\u1ebf nam ch\u00e2m rotor xe \u0111i\u1ec7n th\u01b0\u1eddng d\u1ef1a v\u00e0o nam ch\u00e2m neodymium ph\u00e2n \u0111o\u1ea1n \u0111\u1ec3 gi\u1ea3m t\u1ed5n th\u1ea5t v\u00e0 cung c\u1ea5p m\u00f4-men xo\u1eafn cao t\u1eeb c\u00e1c k\u00edch th\u01b0\u1edbc \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn, gi\u00fap c\u1ea3i thi\u1ec7n ph\u1ea1m vi l\u00e1i xe v\u00e0 c\u00f4ng su\u1ea5t. C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng s\u1eaft cao t\u1ed1c c\u0169ng t\u1eadn d\u1ee5ng c\u00e1c nam ch\u00e2m n\u00e0y \u0111\u1ec3 v\u1eadn h\u00e0nh m\u01b0\u1ee3t m\u00e0, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u1edf t\u1ed1c \u0111\u1ed9 cao.<\/p>\n<p>Trong t\u1ea5t c\u1ea3 c\u00e1c l\u0129nh v\u1ef1c n\u00e0y, nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n gi\u1ea3m thi\u1ec3u n\u0103ng l\u01b0\u1ee3ng l\u00e3ng ph\u00ed v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t\u2014l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh cho t\u01b0\u01a1ng lai c\u1ee7a di chuy\u1ec3n v\u00e0 c\u00f4ng ngh\u1ec7 xanh. \u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 c\u00e1ch nam ch\u00e2m \u0111\u1ecbnh h\u00ecnh c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1, h\u00e3y truy c\u1eadp h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m s\u1eed d\u1ee5ng trong \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1.<\/p>\n<h2>Th\u00f4ng tin v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c l\u00e0m cho nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n hi\u1ec7u qu\u1ea3, qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Hai k\u1ef9 thu\u1eadt ph\u00e2n \u0111o\u1ea1n ch\u00ednh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 ph\u00e2n \u0111o\u1ea1n li\u00ean t\u1ee5c v\u00e0 ph\u00e2n \u0111o\u1ea1n gi\u00e1n \u0111o\u1ea1n.<\/p>\n<ul>\n<li><strong>Ph\u00e2n \u0111o\u1ea1n li\u00ean t\u1ee5c<\/strong> ngh\u0129a l\u00e0 nam ch\u00e2m \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c \u0111o\u1ea1n cung tr\u00f2n m\u01b0\u1ee3t m\u00e0, \u0111\u1ed3ng nh\u1ea5t. \u0110i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec d\u00f2ng t\u1eeb tr\u01b0\u1eddng \u0111\u1ec1u v\u00e0 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t do c\u00e1c tr\u01b0\u1eddng kh\u00f4ng \u0111\u1ec1u.<\/li>\n<li><strong>Ph\u00e2n \u0111o\u1ea1n gi\u00e1n \u0111o\u1ea1n<\/strong> chia nh\u1ecf nam ch\u00e2m th\u00e0nh c\u00e1c m\u1ea3nh ri\u00eang bi\u1ec7t v\u1edbi c\u00e1c khe h\u1edf nh\u1ecf. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y h\u1eefu \u00edch \u0111\u1ec3 ng\u0103n ch\u1eb7n d\u00f2ng xo\u00e1y, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng t\u1ed1c \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ch\u1ecdn k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3 c\u1ee7a \u0111\u1ed9ng c\u01a1 ho\u1eb7c m\u00e1y ph\u00e1t v\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng c\u1ea7n thi\u1ebft gi\u1eefa hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed.<\/p>\n<p><strong>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u0169ng quan tr\u1ecdng, v\u00e0 nam ch\u00e2m NdFeB (neodymium- s\u1eaft-boron) chi\u1ebfm \u01b0u th\u1ebf \u1edf \u0111\u00e2y.<\/strong> T\u1ea1i sao? NdFeB cung c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng cao nh\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm kh\u00e1c. Kh\u1ea3 n\u0103ng duy tr\u00ec tr\u01b0\u1eddng t\u1eeb m\u1ea1nh trong k\u00edch th\u01b0\u1edbc nh\u1ecf gi\u00fap c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn v\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng\u2014c\u1ea3 hai \u0111\u1ec1u quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 thi\u1ebft k\u1ebf nam ch\u00e2m rotor xe \u0111i\u1ec7n.<\/p>\n<p>Tuy nhi\u00ean, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng r\u1ee7i ro ph\u1ed5 bi\u1ebfn:<\/p>\n<ul>\n<li><strong>N\u1ee9t v\u1ee1 nam ch\u00e2m trong qu\u00e1 tr\u00ecnh ph\u00e2n \u0111o\u1ea1n<\/strong> l\u00e0 m\u1ed9t r\u1ee7i ro, \u0111\u1eb7c bi\u1ec7t v\u1edbi v\u1eadt li\u1ec7u NdFeB d\u1ec5 v\u1ee1. C\u1eaft ch\u00ednh x\u00e1c v\u00e0 x\u1eed l\u00fd c\u1ea9n th\u1eadn l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/li>\n<li><strong>R\u00f2 r\u1ec9 d\u00f2ng t\u1eeb t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i ph\u00e2n \u0111o\u1ea1n<\/strong> c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3, v\u00ec v\u1eady \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 li\u00ean k\u1ebft keo ph\u00f9 h\u1ee3p l\u00e0 c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>Th\u00e1ch th\u1ee9c qu\u1ea3n l\u00fd nhi\u1ec7t<\/strong> xu\u1ea5t hi\u1ec7n v\u00ec nam ch\u00e2m c\u00f3 th\u1ec3 m\u1ea5t s\u1ee9c m\u1ea1nh n\u1ebfu qu\u00e1 n\u00f3ng, do \u0111\u00f3 vi\u1ec7c ch\u1ecdn l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p v\u00e0 t\u00edch h\u1ee3p c\u00e1c gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/li>\n<\/ul>\n<p>Gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a nam ch\u00e2m neodymium ph\u00e2n \u0111o\u1ea1n. \u0110\u1ec3 c\u00f3 nh\u1eefng hi\u1ec3u bi\u1ebft chi ti\u1ebft h\u01a1n v\u1ec1 vi\u1ec7c ch\u1ecdn v\u1eadt li\u1ec7u nam ch\u00e2m ph\u00f9 h\u1ee3p v\u00e0 qu\u1ea3n l\u00fd t\u00e1c \u0111\u1ed9ng nhi\u1ec7t, h\u00e3y xem ph\u1ea7n n\u00e0y <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/guide-to-rare-earth-magnets\/\" target=\"_blank\" rel=\"noopener\">h\u01b0\u1edbng d\u1eabn v\u1ec1 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/a>.<\/span><\/strong><\/p>\n<h2>NBAEM \u0110\u1ed1i t\u00e1c c\u1ee7a b\u1ea1n trong c\u00e1c gi\u1ea3i ph\u00e1p nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n Hi\u1ec7u qu\u1ea3 cao<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c cung c\u1ea5p <strong>nam ch\u00e2m neodymium ph\u00e2n \u0111o\u1ea1n<\/strong> cung c\u1ea5p hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 cao, NBAEM n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady. V\u1edbi s\u1ef1 t\u1eadp trung m\u1ea1nh m\u1ebd v\u00e0o <strong>c\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n \u0111o\u1ea1n NdFeB ti\u00ean ti\u1ebfn<\/strong> v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, NBAEM \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ed9ng c\u01a1 v\u00e0 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb nh\u1eefng nam ch\u00e2m gi\u1ea3m thi\u1ec3u <strong>m\u1ea5t m\u00e1t d\u00f2ng \u0111i\u1ec7n eddy<\/strong> v\u00e0 t\u0103ng c\u01b0\u1eddng <strong>\u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a t\u1eeb tr\u01b0\u1eddng<\/strong>.<\/p>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao NBAEM l\u00e0 nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady cho th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam:<\/p>\n<ul>\n<li><strong>Gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh<\/strong> \u2013 Nh\u00e0 cung c\u1ea5p \u0111o\u1ea1n cung t\u00f9y ch\u1ec9nh th\u00edch \u1ee9ng k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, t\u1eeb <strong>thi\u1ebft k\u1ebf nam ch\u00e2m rotor xe \u0111i\u1ec7n<\/strong> \u0111\u1ebfn h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/li>\n<li><strong>Chuy\u00ean m\u00f4n v\u1ec1 v\u1eadt li\u1ec7u<\/strong> \u2013 Chuy\u00ean v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u NdFeB ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a m\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, gi\u00fap b\u1ea1n tr\u00e1nh m\u1ea5t t\u1eeb t\u00ednh ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi cao.<\/li>\n<li><strong>Ch\u00ednh x\u00e1c trong s\u1ea3n xu\u1ea5t<\/strong> \u2013 Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t \u0111\u1ec3 duy tr\u00ec t\u1eadp trung flux v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 nh\u01b0 d\u00f2ng eddy.<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 \u0111\u1ed5i m\u1edbi<\/strong> \u2013 NBAEM lu\u00f4n c\u1eadp nh\u1eadt c\u00e1c xu h\u01b0\u1edbng m\u1edbi n\u1ed5i bao g\u1ed3m \u0111\u01b0\u1eddng s\u1eaft cao t\u1ed1c v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n hi\u1ec7u su\u1ea5t cao.<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n n\u00e2ng cao hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu v\u1edbi c\u00e1c \u0111o\u1ea1n nam ch\u00e2m \u0111\u00e1ng tin c\u1eady, NBAEM c\u00f3 kinh nghi\u1ec7m v\u00e0 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3. T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1ch nam ch\u00e2m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ea1i <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/what-is-the-effect-of-heating-neodymium-magnets\/\" target=\"_blank\" rel=\"noopener\">trang hi\u1ec7u \u1ee9ng nhi\u1ec7t c\u1ee7a NBAEM<\/a> <\/strong><\/span>v\u00e0 kh\u00e1m ph\u00e1 c\u00e1c \u1ee9ng d\u1ee5ng v\u1edbi <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/application-of-magnets-for-motor\/\" target=\"_blank\" rel=\"noopener\">ngu\u1ed3n t\u00e0i nguy\u00ean nam ch\u00e2m \u0111\u1ed9ng c\u01a1 c\u1ee7a NBAEM<\/a><\/strong><\/span>. C\u00f9ng nhau, ch\u00fang ta c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 t\u1eeb tr\u01b0\u1eddng ti\u1ebfp theo.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 l\u00fd do t\u1ea1i sao nam ch\u00e2m ph\u00e2n \u0111o\u1ea1n n\u00e2ng cao hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 b\u1eb1ng c\u00e1ch gi\u1ea3m d\u00f2ng \u0111i\u1ec7n xo\u00e1y v\u00e0 t\u0103ng th\u00f4ng l\u01b0\u1ee3ng t\u1eeb cho c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao.<\/p>","protected":false},"author":1,"featured_media":387,"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-3132","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3132","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=3132"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3132\/revisions"}],"predecessor-version":[{"id":3133,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3132\/revisions\/3133"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/387"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}