{"id":1707,"date":"2025-07-03T04:52:14","date_gmt":"2025-07-03T04:52:14","guid":{"rendered":"https:\/\/nbaem.com\/?p=1707"},"modified":"2025-07-03T04:52:14","modified_gmt":"2025-07-03T04:52:14","slug":"overview-for-permanent-magnet-generator","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/overview-for-permanent-magnet-generator\/","title":{"rendered":"T\u1ed5ng quan v\u1ec1 m\u00e1y ph\u00e1t \u0111i\u1ec7n nam ch\u00e2m v\u0129nh c\u1eedu"},"content":{"rendered":"

T\u1ed5ng quan v\u1ec1 M\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1eeb v\u0129nh c\u1eedu: \u0110i\u1ec1u g\u00ec l\u00e0m cho n\u00f3 ho\u1ea1t \u0111\u1ed9ng?<\/h1>\n

M\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1eeb v\u0129nh c\u1eedu \u0111ang thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta ngh\u0129 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng. C\u00e1c m\u00e1y ph\u00e1t truy\u1ec1n th\u1ed1ng c\u1ed3ng k\u1ec1nh v\u00e0 c\u1ea7n b\u1ea3o tr\u00ec li\u00ean t\u1ee5c. Nh\u01b0ng PMGs cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n

A nam ch\u00e2m v\u0129nh c\u1eedu<\/a><\/span> m\u00e1y ph\u00e1t s\u1eed d\u1ee5ng tr\u01b0\u1eddng t\u1eeb c\u1ee7a nam ch\u00e2m v\u0129nh c\u1eedu \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n, kh\u00f4ng c\u1ea7n k\u00edch th\u00edch b\u00ean ngo\u00e0i ho\u1eb7c ch\u1ed5i than.<\/strong><\/p>\n

\"m\u00e1y

m\u00e1y ph\u00e1t v\u0129nh c\u1eedu\uff08\u1ea3nh t\u1eeb Penky.cn)<\/p><\/div>\n

N\u1ebfu b\u1ea1n t\u00f2 m\u00f2 v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y, ho\u1eb7c li\u1ec7u b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed9ng c\u01a1 c\u1ee7a m\u00ecnh th\u00e0nh m\u1ed9t chi\u1ebfc, b\u1ea1n kh\u00f4ng \u0111\u01a1n \u0111\u1ed9c. H\u00e3y c\u00f9ng ph\u00e2n t\u00edch t\u1ea5t c\u1ea3.<\/p>\n

M\u00e1y ph\u00e1t t\u1eeb v\u0129nh c\u1eedu ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi ngh\u0129 r\u1eb1ng c\u00e1c m\u00e1y ph\u00e1t c\u1ea7n cu\u1ed9n d\u00e2y tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p ho\u1eb7c ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00fang.<\/p>\n

M\u00e1y ph\u00e1t t\u1eeb v\u0129nh c\u1eedu ho\u1ea1t \u0111\u1ed9ng qua c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb, s\u1eed d\u1ee5ng nam ch\u00e2m g\u1eafn v\u00e0o rotor \u0111\u1ec3 g\u00e2y c\u1ea3m \u1ee9ng d\u00f2ng \u0111i\u1ec7n trong c\u00e1c cu\u1ed9n d\u00e2y c\u1ed1 \u0111\u1ecbnh.<\/strong><\/p>\n

\n
\"\u0110\u1ed9ng

Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a Nam ch\u00e2m v\u00e0 Cu\u1ed9n d\u00e2y & M\u1eb7t c\u1eaft ngang c\u1ee7a Rotor v\u00e0 Stator<\/p><\/div>\n

 <\/figure>\n

Khoa h\u1ecdc \u0111\u1eb1ng sau ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng<\/h3>\n

C\u1ea5u h\u00ecnh Rotor v\u00e0 Stator:<\/strong> Trong m\u00e1y ph\u00e1t t\u1eeb v\u0129nh c\u1eedu, rotor ch\u1ee9a c\u00e1c nam ch\u00e2m v\u0129nh c\u1eedu. Nh\u1eefng nam ch\u00e2m n\u00e0y quay g\u1ea7n stator, n\u01a1i gi\u1eef c\u00e1c cu\u1ed9n d\u00e2y \u0111\u1ed3ng. Khi rotor quay, n\u00f3 di chuy\u1ec3n tr\u01b0\u1eddng t\u1eeb xung quanh c\u00e1c cu\u1ed9n d\u00e2y. S\u1ef1 chuy\u1ec3n \u0111\u1ed9ng n\u00e0y g\u00e2y c\u1ea3m \u1ee9ng \u0111i\u1ec7n \u00e1p qua c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb.<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 t\u1ea1o ra c\u00f4ng su\u1ea5t:<\/strong> C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a tr\u01b0\u1eddng t\u1eeb, t\u1ed1c \u0111\u1ed9 quay, s\u1ed1 v\u00f2ng d\u00e2y c\u1ee7a cu\u1ed9n d\u00e2y, v\u00e0 v\u1eadt li\u1ec7u l\u00f5i \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n\n\n\n\n\n\n\n\n
Y\u1ebfu t\u1ed1<\/th>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ea7u ra<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/td>\nNam ch\u00e2m m\u1ea1nh h\u01a1n = \u0111i\u1ec7n \u00e1p cao h\u01a1n<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 Rotor<\/td>\nQuay nhanh h\u01a1n = t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec7n h\u01a1n<\/td>\n<\/tr>\n
S\u1ed1 v\u00f2ng d\u00e2y c\u1ee7a Cu\u1ed9n d\u00e2y<\/td>\nS\u1ed1 v\u00f2ng quay nhi\u1ec1u h\u01a1n = \u0111i\u1ec7n \u00e1p cao h\u01a1n<\/td>\n<\/tr>\n
Ch\u1ea5t li\u1ec7u l\u00f5i<\/td>\n\u0110\u1ed9 th\u1ea5m t\u1ed1t h\u01a1n = hi\u1ec7u qu\u1ea3 cao h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Thi\u1ebft k\u1ebf n\u00e0y lo\u1ea1i b\u1ecf nhu c\u1ea7u s\u1eed d\u1ee5ng v\u00f2ng tr\u01b0\u1ee3t ho\u1eb7c ch\u1ed5i than. \u0110i\u1ec1u n\u00e0y gi\u1ea3m m\u00e0i m\u00f2n v\u00e0 gi\u1ea3m b\u1ea3o tr\u00ec.<\/p>\n

M\u1ed9t \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n kh\u00f4ng?<\/h2>\n

Nhi\u1ec1u k\u1ef9 s\u01b0 h\u1ecfi \u0111i\u1ec1u n\u00e0y khi c\u1ed1 g\u1eafng ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed.<\/p>\n

C\u00f3, m\u1ed9t \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n, nh\u01b0ng ch\u1ec9 khi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng trong c\u1ea5u h\u00ecnh \u0111\u00fang.<\/strong><\/p>\n

 <\/p>\n

T\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 khi n\u00e0o kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/h3>\n

M\u1ed9t \u0111\u1ed9ng c\u01a1 PM v\u00e0 m\u1ed9t m\u00e1y ph\u00e1t PM chia s\u1ebb c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng t\u1ef1: m\u1ed9t r\u00f4to v\u1edbi nam ch\u00e2m v\u00e0 m\u1ed9t stato v\u1edbi cu\u1ed9n d\u00e2y. Khi b\u1ea1n c\u1ea5p \u0111i\u1ec7n cho \u0111\u1ed9ng c\u01a1 PM, r\u00f4to quay. Nh\u01b0ng n\u1ebfu b\u1ea1n quay r\u00f4to b\u1eb1ng c\u01a1 h\u1ecdc, n\u00f3 t\u1ea1o ra \u0111i\u1ec7n trong stato \u2014 gi\u1ed1ng nh\u01b0 m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/p>\n

Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c c\u1ea7n xem x\u00e9t:<\/p>\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n\u0110\u1ed9ng c\u01a1 PM<\/th>\nM\u00e1y ph\u00e1t PM<\/th>\n<\/tr>\n<\/thead>\n
Thi\u1ebft k\u1ebf cho<\/td>\nXu\u1ea5t ra chuy\u1ec3n \u0111\u1ed9ng<\/td>\nXu\u1ea5t ra \u0111i\u1ec7n<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng cong hi\u1ec7u su\u1ea5t<\/td>\n\u0110\u1ec9nh t\u1ea1i v\u00f2ng quay t\u1ea3i<\/td>\n\u0110\u1ec9nh trong ph\u1ea1m vi<\/td>\n<\/tr>\n
Thi\u1ebft k\u1ebf l\u00e0m m\u00e1t<\/td>\nTh\u01b0\u1eddng d\u00e0nh cho nhi\u1ec7m v\u1ee5 ng\u1eafn h\u1ea1n<\/td>\nTh\u01b0\u1eddng d\u00f9ng cho li\u00ean t\u1ee5c<\/td>\n<\/tr>\n
\u0110i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p<\/td>\n\u0110i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i<\/td>\nT\u00edch h\u1ee3p s\u1eb5n ho\u1eb7c th\u1ee5 \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trong nhi\u1ec1u h\u1ec7 th\u1ed1ng DIY ho\u1eb7c quy m\u00f4 nh\u1ecf, s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. Nh\u01b0ng trong c\u00e1c h\u1ec7 th\u1ed1ng quan tr\u1ecdng, t\u00f4i khuy\u00ean d\u00f9ng m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u0129nh c\u1eedu ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u00e1nh t\u1ed5n th\u1ea5t ho\u1eb7c qu\u00e1 nhi\u1ec7t.<\/p>\n

M\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n kh\u00f4ng?<\/h2>\n

Nghe c\u00f3 v\u1ebb nh\u01b0 khoa h\u1ecdc vi\u1ec5n t\u01b0\u1edfng, nh\u01b0ng n\u00f3 l\u00e0 th\u1eadt v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn kh\u1eafp n\u01a1i.<\/p>\n

V\u00e2ng, m\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n khi n\u00f3 chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi m\u1ed9t cu\u1ed9n d\u00e2y, d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb.<\/strong><\/p>\n

 <\/p>\n

Kh\u00f4ng ph\u1ea3i Ma thu\u1eadt, Ch\u1ec9 l\u00e0 V\u1eadt l\u00fd<\/h3>\n

Nam ch\u00e2m kh\u00f4ng t\u1ef1 t\u1ea1o ra \u0111i\u1ec7n. Ch\u00fang c\u1ea7n chuy\u1ec3n \u0111\u1ed9ng. Khi m\u1ed9t nam ch\u00e2m di chuy\u1ec3n g\u1ea7n m\u1ed9t d\u00e2y d\u1eabn, n\u00f3 g\u00e2y ra s\u1ef1 di chuy\u1ec3n c\u1ee7a electron \u2014 \u0111\u00f3 l\u00e0 d\u00f2ng \u0111i\u1ec7n. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u0129nh c\u1eedu c\u00f3 roto quay qua l\u1ea1i c\u00e1c cu\u1ed9n d\u00e2y.<\/p>\n

Vi\u1ec7c t\u1ea1o ra \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o ba y\u1ebfu t\u1ed1 ch\u00ednh:<\/p>\n

    \n
  • \u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/strong>: Nam ch\u00e2m m\u1ea1nh h\u01a1n t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n nhi\u1ec1u h\u01a1n.<\/li>\n
  • T\u1ed1c \u0111\u1ed9 di chuy\u1ec3n<\/strong>: Chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n = \u0111\u1ea7u ra cao h\u01a1n.<\/li>\n
  • Kho\u1ea3ng c\u00e1ch t\u1eeb cu\u1ed9n d\u00e2y<\/strong>: G\u1ea7n h\u01a1n = c\u1ea3m \u1ee9ng m\u1ea1nh h\u01a1n.<\/li>\n<\/ul>\n

    Nguy\u00ean l\u00fd n\u00e0y n\u1eb1m sau c\u00e1c turbine gi\u00f3, m\u00e1y ph\u00e1t \u0111i\u1ec7n xe \u0111\u1ea1p, v\u00e0 th\u1eadm ch\u00ed c\u00e1c b\u1ed9 s\u1ea1c c\u1ea7m tay nh\u1ecf. Trong m\u1ed7i tr\u01b0\u1eddng h\u1ee3p, chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a nam ch\u00e2m so v\u1edbi c\u00e1c cu\u1ed9n d\u00e2y t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n

    K\u1ebft lu\u1eadn<\/h2>\n

    M\u00e1y ph\u00e1t \u0111i\u1ec7n v\u0129nh c\u1eedu cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean l\u00fd \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3. Ch\u00fang \u0111ang thay \u0111\u1ed5i t\u01b0\u01a1ng lai c\u1ee7a n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, v\u1eadn t\u1ea3i v\u00e0 h\u1ec7 th\u1ed1ng ngu\u1ed3n \u0111i\u1ec7n di \u0111\u1ed9ng.<\/p>\n

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

    T\u1ed5ng quan v\u1ec1 M\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1eeb v\u0129nh c\u1eedu: \u0110i\u1ec1u g\u00ec l\u00e0m cho n\u00f3 ho\u1ea1t \u0111\u1ed9ng? M\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1eeb v\u0129nh c\u1eedu \u0111ang thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta ngh\u0129 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng. M\u00e1y ph\u00e1t truy\u1ec1n th\u1ed1ng c\u1ed3ng k\u1ec1nh v\u00e0 c\u1ea7n b\u1ea3o tr\u00ec li\u00ean t\u1ee5c. Nh\u01b0ng m\u00e1y ph\u00e1t PMG cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. M\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1eeb v\u0129nh c\u1eedu s\u1eed d\u1ee5ng tr\u01b0\u1eddng t\u1eeb c\u1ee7a nam ch\u00e2m v\u0129nh c\u1eedu \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n, m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng kh\u00e1c.<\/p>","protected":false},"author":1,"featured_media":1389,"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-1707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/emi045529_Create_a_detailed_2D_technical_illustration_of_a_smal_23a7b5b2-1867-42b8-9dd8-8e0f606b89c7.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1707","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=1707"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1707\/revisions"}],"predecessor-version":[{"id":1711,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1707\/revisions\/1711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1389"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}