{"id":700027,"date":"2024-11-18T21:54:22","date_gmt":"2024-11-18T20:54:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700027"},"modified":"2024-11-18T21:54:22","modified_gmt":"2024-11-18T20:54:22","slug":"phan-tich-nhiet-cua-dong-co-dien","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-nhiet-cua-dong-co-dien\/","title":{"rendered":"Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n"},"content":{"rendered":"

Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n: Kh\u00e1m ph\u00e1 c\u00e1ch \u0111o l\u01b0\u1eddng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t nhi\u1ec7t, gi\u1ea3m hao h\u1ee5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1.<\/p>\n

\"Ph\u00e2n<\/p>\n

Ph\u00e2n T\u00edch Nhi\u1ec7t C\u1ee7a \u0110\u1ed9ng C\u01a1 \u0110i\u1ec7n<\/h2>\n

Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb. \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n, khi v\u1eadn h\u00e0nh, sinh ra nhi\u1ec7t do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau. Qu\u00e1 nhi\u1ec7t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng ho\u1eb7c l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c nguy\u00ean nh\u00e2n g\u00e2y nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch nhi\u1ec7t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c r\u1ee7i ro li\u00ean quan.<\/p>\n

Nguy\u00ean Nh\u00e2n G\u00e2y Nhi\u1ec7t Trong \u0110\u1ed9ng C\u01a1 \u0110i\u1ec7n<\/h2>\n

C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau d\u1eabn \u0111\u1ebfn vi\u1ec7c s\u1ea3n sinh nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, bao g\u1ed3m:<\/p>\n

<\/p>\n

  • T\u1ed5n th\u1ea5t \u0111i\u1ec7n tr\u1edf:<\/b> \u0110\u00e2y l\u00e0 t\u1ed5n th\u1ea5t do \u0111i\u1ec7n tr\u1edf c\u1ee7a cu\u1ed9n d\u00e2y trong rotor v\u00e0 stator. T\u1ed5n th\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c P = I2<\/sup>R, trong \u0111\u00f3 I l\u00e0 d\u00f2ng \u0111i\u1ec7n v\u00e0 R l\u00e0 \u0111i\u1ec7n tr\u1edf.<\/li>\n
  • T\u1ed5n th\u1ea5t t\u1eeb th\u00f4ng:<\/b> T\u1eeb th\u00f4ng trong l\u00f5i s\u1eaft l\u00e0m \u0111\u1ed9ng c\u01a1 b\u1ecb n\u00f3ng l\u00ean. C\u00e1c t\u1ed5n th\u1ea5t n\u00e0y th\u01b0\u1eddng t\u0103ng theo t\u1ea7ng s\u1ed1 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
  • T\u1ed5n th\u1ea5t ma s\u00e1t:<\/b> Ma s\u00e1t gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 c\u0169ng d\u1eabn \u0111\u1ebfn vi\u1ec7c sinh nhi\u1ec7t.<\/li>\n
  • T\u1ed5n th\u1ea5t gi\u00f3:<\/b> Kh\u00ed l\u01b0u th\u00f4ng qua \u0111\u1ed9ng c\u01a1 c\u0169ng g\u00e2y ra ma s\u00e1t v\u00e0 t\u1ea1o nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 quay cao.<\/li>\n

    <\/u1><\/p>\n

    Ph\u01b0\u01a1ng Ph\u00e1p Ph\u00e2n T\u00edch Nhi\u1ec7t<\/h2>\n

    \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n l\u00e2u, c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch nhi\u1ec7t sau:<\/p>\n

    Ph\u01b0\u01a1ng Ph\u00e1p Th\u1ef1c Nghi\u1ec7m<\/h3>\n

    <\/p>\n

  • \u0110o nhi\u1ec7t \u0111\u1ed9:<\/b> S\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 t\u1ea1i c\u00e1c v\u1ecb tr\u00ed quan tr\u1ecdng trong \u0111\u1ed9ng c\u01a1.<\/li>\n
  • Ph\u00e2n t\u00edch h\u1ed3ng ngo\u1ea1i:<\/b> S\u1eed d\u1ee5ng camera h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m n\u00f3ng trong \u0111\u1ed9ng c\u01a1.<\/li>\n

    <\/u1><\/p>\n

    Ph\u01b0\u01a1ng Ph\u00e1p S\u1ed1 H\u00f3a<\/h3>\n

    <\/p>\n

  • M\u00f4 ph\u1ecfng b\u1eb1ng ph\u1ea7n m\u1ec1m:<\/b> S\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n s\u1ef1 ph\u00e2n b\u1ed1 nhi\u1ec7t \u0111\u1ed9 trong \u0111\u1ed9ng c\u01a1. M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m ph\u1ed5 bi\u1ebfn bao g\u1ed3m ANSYS, COMSOL Multiphysics.<\/li>\n
  • Ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA):<\/b> D\u00f9ng FEA \u0111\u1ec3 m\u00f4 ph\u1ecfng s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 v\u00e0 t\u00ecm ra c\u00e1c gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n.<\/li>\n

    <\/u1><\/p>\n

    Bi\u1ec7n Ph\u00e1p Gi\u1ea3i Nhi\u1ec7t<\/h2>\n

    \u0110\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p gi\u1ea3i nhi\u1ec7t hi\u1ec7u qu\u1ea3 nh\u01b0 sau:<\/p>\n

    <\/p>\n

  • H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng gi\u00f3:<\/b> S\u1eed d\u1ee5ng qu\u1ea1t \u0111\u1ec3 t\u1ea1o lu\u1ed3ng gi\u00f3 l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1.<\/li>\n
  • H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc:<\/b> D\u00f9ng n\u01b0\u1edbc \u0111\u1ec3 tu\u1ea7n ho\u00e0n v\u00e0 h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb \u0111\u1ed9ng c\u01a1.<\/li>\n
  • S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t:<\/b> V\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n

    <\/u1><\/p>\n

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

    Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c quan tr\u1ecdng gi\u00fap \u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n l\u00e2u. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean nh\u00e2n g\u00e2y nhi\u1ec7t v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch nhi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n: Kh\u00e1m ph\u00e1 c\u00e1ch \u0111o l\u01b0\u1eddng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t nhi\u1ec7t, gi\u1ea3m hao h\u1ee5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nPh\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/title>\n<meta name=\"description\" content=\"Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n: Kh\u00e1m ph\u00e1 c\u00e1ch \u0111o l\u01b0\u1eddng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t nhi\u1ec7t, gi\u1ea3m hao h\u1ee5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1.\" \/>\n<meta name=\"robots\" content=\"index, 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