{"id":2216,"date":"2023-12-25T15:38:45","date_gmt":"2023-12-25T08:38:45","guid":{"rendered":"https:\/\/hathucnc.vn\/?p=2216"},"modified":"2023-12-25T15:38:45","modified_gmt":"2023-12-25T08:38:45","slug":"igbt-la-gi","status":"publish","type":"post","link":"https:\/\/hathucnc.vn\/?p=2216","title":{"rendered":"IGBT L\u00e0 G\u00ec?"},"content":{"rendered":"

IGBT<\/strong>\u00a0( vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb ti\u1ebfng anh Insulated Gate Bipolar Transistor) l\u00e0 Transistor c\u00f3 c\u1ef1c \u0111i\u1ec1u khi\u1ec3n c\u00e1ch ly l\u00e0 lo\u1ea1i linh ki\u1ec7n b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t 3 c\u1ef1c. IGBT k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng \u0111\u00f3ng c\u1eaft nhanh c\u1ee7a MOSFET v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u1edbn c\u1ee7a Transistor th\u00f4ng th\u01b0\u1eddng. IGBT c\u0169ng l\u00e0 ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n \u00e1p, do \u0111\u00f3 c\u00f4ng su\u1ea5t \u0111i\u1ec1u khi\u1ec3n y\u00eau c\u1ea7u s\u1ebd c\u1ef1c b\u00e9.<\/p>\n

IGBT l\u00e0 lo\u1ea1i van v\u1edbi c\u00f4ng su\u1ea5t tuy\u1ec7t v\u1eddi. Kh\u00e1c v\u1edbi Thysistor, IGBT cho ph\u00e9p b\u1ea1n \u0111\u00f3ng c\u1eaft nhanh ch\u00f3ng b\u1eb1ng c\u00e1ch \u0111\u1eb7t \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n l\u00ean hai c\u1ef1c G v\u00e0 E. \u0110i\u1ec7n \u00e1p ra b\u1ea1n \u0111o \u0111\u01b0\u1ee3c tr\u00ean van r\u1ea5t \u0111\u1ed3ng d\u1ea1ng v\u1edbi \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n. IGBT th\u01b0\u1eddng s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ch bi\u1ebfn t\u1ea7n hay nh\u1eefng b\u1ed9 b\u0103m xung \u00e1p m\u1ed9t chi\u1ec1u. Driver c\u1ee7a IGBT c\u0169ng s\u1eb5n c\u00f3 \u1edf Vi\u1ec7t Nam, tuy nhi\u00ean gi\u00e1 c\u1ea3 th\u00ec h\u01a1i cao. Hi\u1ec7n nay, v\u1edbi nh\u1eefng \u01b0u th\u1ebf n\u1ed5i tr\u1ed9i, c\u00f4ng ngh\u1ec7 IGBT \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng h\u1ea7u h\u1ebft \u1edf c\u00e1c thi\u1ebft b\u1ecb\u00a0m\u00e1y h\u00e0n \u0111i\u1ec7n t\u1eed, bi\u1ebfn t\u1ea7n, Servo Drive\u2026<\/p>\n

V\u1ec1 c\u1ea5u tr\u00fac b\u00e1n d\u1eabn, IGBT g\u1ea7n gi\u1ed1ng v\u1edbi MOSFET, \u0111i\u1ec3m kh\u00e1c nhau l\u00e0 n\u00f3 c\u00f3 th\u00eam l\u1edbp n\u1ed1i v\u1edbi Collector t\u1ea1o n\u00ean c\u1ea5u tr\u00fac b\u00e1n d\u1eabn p-n-p gi\u1eefa Emiter (t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u1ef1c g\u1ed1c) v\u1edbi Collector (t\u01b0\u01a1ng t\u1ef1 c\u1ef1c m\u00e1ng), m\u00e0 kh\u00f4ng l\u00e0 n-n nh\u01b0 \u1edf MOSFET. V\u00ec th\u1ebf c\u00f3 th\u1ec3 coi IGBT t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi Transistor p-n-p v\u1edbi d\u00f2ng base \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng m\u1ed9t MOSFET.<\/p>\n

D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a \u00e1p \u0111i\u1ec1u khi\u1ec3n Uge>0, k\u00eanh d\u1eabn v\u1edbi nh\u1eefng h\u1ea1t mang \u0111i\u1ec7n l\u00e0 nh\u1eefng \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, gi\u1ed1ng v\u1edbi c\u1ea5u tr\u00fac MOSFET.C\u00e1c \u0111i\u1ec7n t\u1eed di chuy\u1ec3n v\u1ec1 ph\u00eda Collector v\u01b0\u1ee3t qua l\u1edbp ti\u1ebfp gi\u00e1p n-p nh\u01b0 \u1edf c\u1ea5u tr\u00fac gi\u1eefa base, Collector \u1edf Transistor th\u01b0\u1eddng, v\u00e0 t\u1ea1o n\u00ean d\u00f2ng Collector.<\/p>\n

\u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a IGBT<\/strong><\/h2>\n

Ng\u00e0y nay, IGBT \u0111\u01b0\u1ee3c hy v\u1ecdng s\u1ebd d\u1ea7n d\u1ea7n s\u1ebd thay th\u1ebf t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kh\u00f3a c\u00f2n l\u1ea1i. B\u00ean c\u1ea1nh c\u00e1c \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i th\u00ec v\u1eabn c\u00f2n m\u1ed9t v\u00e0i c\u00e1c h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

\u01afu \u0111i\u1ec3m:<\/strong><\/h3>\n

\u2013 Cho ph\u00e9p vi\u1ec7c \u0111\u00f3ng c\u1eaft d\u1ec5 d\u00e0ng, ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n nhanh ch\u00f3ng
\n\u2013 Ch\u1ecbu \u00e1p l\u1edbn h\u01a1n MOS, th\u01b0\u1eddng l\u00e0 600V t\u1edbi 1.5kV, \u00a0m\u1ed9t s\u1ed1 lo\u1ea1i l\u1edbn h\u01a1n th\u00ec h\u01a1i \u0111\u1eb7c bi\u1ec7t.
\n\u2013 T\u1ea3i d\u00f2ng l\u1edbn, c\u1ee1 x\u1ea5p x\u1ec9 1KA. S\u1ee5t \u00e1p b\u00e9 v\u00e0 \u00a0\u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u00e1p.<\/p>\n

Nh\u01b0\u1ee3c<\/em>\u00a0\u0111i\u1ec3m:<\/strong><\/h3>\n

\u2013 T\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n so v\u1edbi MOS. Do v\u1eady, v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n t\u1ea7n s\u1ed1 cao \u00e1p 400V th\u00ec MOS v\u1eabn \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n. N\u1ebfu IGBT ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 cao th\u00ec s\u1ee5t \u00e1p s\u1ebd l\u1edbn h\u01a1n.<\/p>\n

\u2013 C\u00f4ng su\u1ea5t v\u1eeba v\u00e0 nh\u1ecf.<\/p>\n

\u2013 Gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi c\u00e1c linh ki\u1ec7n kh\u00e1c nh\u01b0 MOSFET.<\/p>\n

C\u00e1ch \u0111o v\u00e0 ki\u1ec3m tra igbt s\u1ed1ng hay ch\u1ebft c\u00f3 t\u1ed1t kh\u00f4ng?<\/strong><\/h2>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111o IGBT? C\u00f3 nhi\u1ec1u c\u00e1ch ki\u1ec3m tra igbt. Trong \u0111\u00f3,\u00a0\u00a0c\u00e1ch \u0111o v\u00e0 ki\u1ec3m tra igbt b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u nh\u1ea5t. V\u1edbi \u01b0u \u0111i\u1ec3m l\u00e0 \u0111o igbt nhanh, hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n

N\u1ebfu b\u1ea1n m\u1edbi mua IGBT ho\u1eb7c \u0111\u00e3 th\u00e1o n\u00f3 ra kh\u1ecfi thi\u1ebft b\u1ecb nh\u01b0ng ch\u01b0a bi\u1ebft c\u00e1ch \u0111o igbt trong bi\u1ebfn t\u1ea7n nh\u01b0 th\u1ebf n\u00e0o. Tr\u01b0\u1edbc h\u1ebft h\u00e3y \u0111\u1ea3m b\u1ea3o<\/p>\n

    \n
  • \u0110\u1ea3m b\u1ea3o an to\u00e0n t\u00ednh \u0111i\u1ec7n \u0111\u1ec3 kh\u00f4ng l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n<\/li>\n
  • Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1ec3 \u0111i\u1ec7n \u00e1p c\u1ee7a ch\u00e2n Gate v\u00e0 Emittor l\u1edbn h\u01a1n \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh c\u1ee7a IGBT<\/li>\n
  • N\u1ebfu ch\u00e2n Gate h\u1edf, ph\u1ea3i \u0111\u1ea3m b\u1ea3o ngu\u1ed3n \u0111i\u1ec7n \u00e1p nh\u1ecf h\u01a1n 20V gi\u1eefa ch\u00e2n\u00a0Collector v\u00e0 Emittor.<\/li>\n
  • Chu\u1ea9n b\u1ecb \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng c\u00f3 ch\u1ebf \u0111\u1ed9 ki\u1ec3m tra diode (ngu\u1ed3n \u0111i\u1ec7n \u00e1p 9V)<\/li>\n<\/ul>\n

    C\u00e1ch ki\u1ec3m tra\u00a0IGBT v\u1edbi c\u00e1c b\u01b0\u1edbc tu\u1ea7n t\u1ef1 sau:<\/p>\n

    1<\/strong>\u00a0\u2013 Th\u00e1o IGBT ra kh\u1ecfi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n<\/p>\n

    2<\/strong>\u00a0\u2013 N\u1ed1i t\u1eaft hai ch\u00e2n ch\u00e2n Gate v\u00e0 Emittor v\u00e0 c\u1ea5p \u0111i\u1ec7n \u00e1p kho\u1ea3ng 12V<\/p>\n

    3<\/strong>\u00a0\u2013 \u0110\u1ec3 \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u1edf ch\u1ebf \u0111\u1ed9 ki\u1ec3m tra diode, sau \u0111\u00f3 \u0111\u1eb7t c\u1ef1c d\u01b0\u01a1ng c\u1ee7a que \u0111o v\u1edbi ch\u00e2n Emittor v\u00e0 c\u1ef1c \u00e2m v\u1edbi ch\u00e2n Collector. Ki\u1ec3m tra xem kim c\u1ee7a \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u00e3 ch\u1ec9 \u0111\u00f9ng \u0111i\u1ec7n \u00e1p r\u01a1i tr\u00ean diode c\u1ee7a IGBT ch\u01b0a l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n

    4<\/strong>\u00a0\u2013 N\u1ed1i ng\u01b0\u1ee3c l\u1ea1i b\u01b0\u1edbc 3 v\u00e0 ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3, n\u1ebfu kim \u0111\u1ed3ng h\u1ed3\u00a0ch\u1ec9 h\u1edf m\u1ea1ch ho\u1eb7c tr\u1ea1ng th\u00e1i \u0111i\u1ec7n tr\u1edf v\u00f4 c\u00f9ng l\u1edbn l\u00e0 OK.<\/p>\n

    N\u1ebfu ki\u1ec3m tra IGBT\u00a0bi\u1ebfn t\u1ea7n ho\u1eb7c \u1edf c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c th\u1ea5y b\u1ecb ng\u1eafn m\u1ea1ch ho\u1eb7c h\u1edf m\u1ea1ch c\u1ea3 2 chi\u1ec1u ho\u1eb7c c\u00f3 \u0111i\u1ec7n tr\u1edf \u1edf 2 chi\u1ec1u n\u00e0y th\u00ec ch\u1eafc ch\u1eafn\u00a0IGBT trong b\u1ebfp t\u1eeb \u0111\u00e3 b\u1ecb h\u1ecfng.<\/p>\n

    Khi ki\u1ec3m tra Gate Oxide b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng trong ch\u1ebf \u0111\u1ed9 \u0111i\u1ec7n tr\u1edf m\u00e0 \u0111i\u1ec7n tr\u1edf c\u1ee7a c\u1ea3 hai ch\u00e2n c\u1ee7a\u00a0Emittor v\u00e0 gate \u0111\u1ec1u l\u1edbn th\u00ec c\u00f3 ngh\u0129a l\u00e0\u00a0\u00a0IGBT trong bi\u1ebfn t\u1ea7n v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n

    \u1ee8ng d\u1ee5ng c\u1ee7a IGBT<\/strong><\/h2>\n
      \n
    • Trong c\u00e1c m\u1ea1ch \u0111\u00f3ng c\u1eaft nhanh c\u00f4ng su\u1ea5t l\u1edbn \u0111i\u1ec7n \u00e1p cao nh\u01b0 bi\u1ebfn t\u1ea7n, Servo, m\u00e1y h\u00e0n, L\u00f2 t\u00f4i cao t\u1ea7n\u2026<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      IGBT\u00a0( vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb ti\u1ebfng anh Insulated Gate Bipolar Transistor) l\u00e0 Transistor c\u00f3 c\u1ef1c \u0111i\u1ec1u khi\u1ec3n c\u00e1ch ly l\u00e0 lo\u1ea1i linh ki\u1ec7n b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t 3 c\u1ef1c. IGBT k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng \u0111\u00f3ng c\u1eaft nhanh c\u1ee7a MOSFET v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u1edbn c\u1ee7a Transistor th\u00f4ng th\u01b0\u1eddng. IGBT c\u0169ng l\u00e0 ph\u1ea7n […]\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2216","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/hathucnc.vn\/index.php?rest_route=\/wp\/v2\/posts\/2216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hathucnc.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hathucnc.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hathucnc.vn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/hathucnc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2216"}],"version-history":[{"count":2,"href":"https:\/\/hathucnc.vn\/index.php?rest_route=\/wp\/v2\/posts\/2216\/revisions"}],"predecessor-version":[{"id":2413,"href":"https:\/\/hathucnc.vn\/index.php?rest_route=\/wp\/v2\/posts\/2216\/revisions\/2413"}],"wp:attachment":[{"href":"https:\/\/hathucnc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hathucnc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hathucnc.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}