{"id":18653,"date":"2020-11-16T10:02:17","date_gmt":"2020-11-16T10:02:17","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18653"},"modified":"2024-07-03T12:36:53","modified_gmt":"2024-07-03T05:36:53","slug":"mach-ha-ap-va-huong-dan-chinh-luu-tu-xoay-chieu-ac-thanh-mot-chieu-dc","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18653","title":{"rendered":"M\u1ea1ch h\u1ea1 \u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u AC th\u00e0nh m\u1ed9t chi\u1ec1u DC"},"content":{"rendered":"

Nh\u1eb1m gi\u00fap c\u00e1c b\u1ea1n m\u1edbi h\u1ecdc \u0111i\u1ec7n t\u1eed n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t v\u1ec1 \u0111i\u1ec7n t\u1eed, ng\u00e0y h\u00f4m nay H\u1ecdc vi\u1ec7n iT.vn s\u1ebd gi\u1edbi thi\u1ec7u t\u1edbi c\u00e1c b\u1ea1n v\u1ec1 m\u1ea1ch h\u1ea1 \u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u AC th\u00e0nh m\u1ed9t chi\u1ec1u DC<\/strong>.<\/span><\/p>\n

\"M\u1ea1ch
M\u1ea1ch h\u1ea1 \u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u AC th\u00e0nh m\u1ed9t chi\u1ec1u DC<\/span><\/figcaption><\/figure>\n

Trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, H\u1ecdc vi\u1ec7n iT.vn s\u1ebd chia s\u1ebb m\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t v\u1ec1 m\u1ea1ch h\u1ea1 \u00e1p v\u00e0 c\u00e1ch ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u th\u00e0nh m\u1ed9t chi\u1ec1u. N\u1ebfu c\u00e1c b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u chi ti\u1ebft h\u01a1n th\u00ec vui l\u00f2ng \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ngay b\u00ean d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y ho\u1eb7c inbox tr\u1ef1c ti\u1ebfp cho HOCVIENiT.vn nh\u00e9.<\/span><\/p>\n

 <\/p>\n

Gi\u1edbi thi\u1ec7u v\u1ec1 m\u1ea1ch h\u1ea1 \u00e1p<\/strong><\/span><\/h2>\n

Nh\u01b0 ch\u00fang ta \u0111\u00e3 bi\u1ebft trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u (V\u00ed d\u1ee5 nh\u01b0 pin v\u00e0 \u1eafc quy) ch\u1ec9 kho\u1ea3ng v\u00e0i ch\u1ee5c V\u00f4n tr\u1edf xu\u1ed1ng. Nh\u01b0 v\u1eady \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trong cu\u1ed9c s\u1ed1ng, ng\u01b0\u1eddi ta ph\u1ea3i bi\u1ebfn d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u \u1edf \u0111i\u1ec7n \u00e1p th\u1ea5p t\u01b0\u01a1ng t\u1ef1 nh\u01b0 pin v\u00e0 \u1eafc quy.\u00a0<\/span><\/p>\n

\u0110\u1ec3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh xem \u0111i\u1ec7n \u00e1p l\u00e0 \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u hay \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u th\u00ec ch\u00fang ta s\u1eed d\u1ee5ng <\/span>m\u00e1y \u0111o s\u00f3ng giao \u0111\u1ed9ng<\/a><\/strong>.<\/span><\/span><\/p>\n

\"M\u00e1y
M\u00e1y \u0111o s\u00f3ng dao \u0111\u1ed9ng<\/span><\/figcaption><\/figure>\n

\u0110\u1ed1i v\u1edbi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u<\/a><\/strong> (V\u00ed d\u1ee5 \u1edf \u0111\u00e2y l\u00e0 pin v\u00e0 \u1eafc quy) th\u00ec m\u00e1y hi\u1ec7n s\u00f3ng ch\u1ec9 hi\u1ec7n \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng t\u1eafp, r\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng \u0111\u1ed5i theo th\u1eddi gian. T\u1ee9c l\u00e0 n\u1ebfu \u0111\u01b0\u1eddng s\u00f3ng \u1edf ph\u00eda tr\u00ean l\u00e0 \u0111i\u1ec7n \u00e1p d\u01b0\u01a1ng c\u00f2n ng\u01b0\u1ee3c l\u1ea1i n\u1ebfu \u0111\u01b0\u1eddng s\u00f3ng \u1edf ph\u00eda d\u01b0\u1edbi l\u00e0 \u0111i\u1ec7n \u00e1p \u00e2m.<\/span><\/p>\n

C\u00f2n \u0111\u1ed1i v\u1edbi \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u<\/strong><\/a> (V\u00ed d\u1ee5 \u0111o \u0111i\u1ec7n \u00e1p 220V – \u0110i\u1ec7n \u00e1p d\u00e2n d\u1ee5ng m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y) th\u00ec ta c\u00f3 th\u1ec3 th\u1ea5y \u0111\u00e2y l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u h\u00ecnh sin (Tr\u00ean l\u00fd thuy\u1ebft). Nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t h\u00ecnh sin chu\u1ea9n m\u00e0 c\u00f3 m\u1ed9t s\u1ed1 ch\u1ed7 m\u00e9o \u1edf tr\u00ean c\u00e1c \u0111\u1ea7u \u0111\u1ec9nh c\u1ee7a \u0111\u1ed3 th\u1ecb.\u00a0<\/span><\/p>\n

 <\/p>\n

H\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u th\u00e0nh m\u1ed9t chi\u1ec1u<\/strong><\/span><\/h2>\n

\u0110\u1ec3 gi\u1ea3m bi\u00ean \u0111\u1ed9 \u0111i\u1ec7n \u00e1p, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng bi\u1ebfn \u00e1p bao g\u1ed3m m\u1ed9t cu\u1ed9n s\u01a1 c\u1ea5p v\u00e0 m\u1ed9t cu\u1ed9n th\u1ee9 c\u1ea5p. Cu\u1ed9n s\u01a1 c\u1ea5p ta c\u1ea5p v\u00e0o m\u1ed9t \u0111i\u1ec7n \u00e1p cao v\u00e0 \u0111i\u1ec7n \u00e1p th\u1ea5p s\u1ebd xu\u1ea5t ra t\u1eeb cu\u1ed9n th\u1ee9 c\u1ea5p. M\u1ed7i m\u1ed9t bi\u1ebfn \u00e1p s\u1ebd c\u00f3 m\u1ed9t \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o danh \u0111\u1ecbnh v\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra danh \u0111\u1ecbnh.<\/span><\/p>\n

Ta c\u1ea5p \u0111i\u1ec7n \u00e1p cho bi\u1ebfn \u00e1p v\u00e0 \u0111o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra. Khi \u0111\u00f3, ta c\u00f3 k\u1ebft qu\u1ea3 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra l\u00e0 19V (\u0110i\u1ec7n \u00e1p \u0111\u1ec9nh), \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng l\u00e0 12,5V. Suy ra khi ta c\u1ea5p \u0111i\u1ec7n \u00e1p 220V v\u00e0o bi\u1ebfn \u00e1p th\u00ec \u0111i\u1ec7n \u00e1p s\u1ebd b\u1ecb gi\u1ea3m t\u1eeb 220V c\u00f2n 12,5V. Tuy nhi\u00ean t\u00edn hi\u1ec7u \u0111i\u1ec7n v\u1eabn \u1edf d\u1ea1ng xoay chi\u1ec1u.<\/span><\/p>\n

\u0110\u1ec3 bi\u1ebfn \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u00ec ng\u01b0\u1eddi ta s\u1ebd s\u1eed d\u1ee5ng diode ch\u1ec9nh l\u01b0u ho\u1eb7c c\u1ea7u diode ch\u1ec9nh l\u01b0u. Tr\u00ean m\u1ed7i con c\u1ea7u diode c\u00e1c b\u1ea1n s\u1ebd th\u1ea5y hai ch\u00e2n xoay chi\u1ec1u l\u00e0 2 ch\u00e2n t\u1eeb ngu\u1ed3n xoay chi\u1ec1u c\u1ea5p v\u00e0o cho n\u00f3 v\u00e0 hai ch\u00e2n \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u c\u00f3 \u0111\u00e1nh d\u1ea5u d\u01b0\u01a1ng, \u00e2m. C\u00e1c b\u1ea1n l\u1ea5y t\u00edn hi\u1ec7u xoay chi\u1ec1u ch\u00ednh l\u00e0 hai ch\u00e2n \u0111\u1ea7u ra cu\u1ed9n th\u1ee9 c\u1ea5p c\u1ee7a bi\u1ebfn \u00e1p c\u1ea5p v\u00e0o cho c\u1ea7u diode. Hai ch\u00e2n \u0111\u1ea7u ra c\u1ef1c d\u01b0\u01a1ng, \u00e2m s\u1ebd m\u1eafc v\u1edbi \u0111\u1ea7u t\u1ea3i (L\u00e0 c\u00e1c m\u1ea1ch \u0111i\u1ec7n tr\u00ean th\u1ef1c t\u1ebf). Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ta s\u1ebd s\u1eed d\u1ee5ng \u0111i\u1ec7n tr\u1edf \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c m\u1ea1ch \u0111i\u1ec7n ti\u00eau th\u1ee5. B\u00e2y gi\u1edd ta \u0111o t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ea7u ra c\u1ee7a c\u1ea7u diode. Ta s\u1ebd th\u1ea5y v\u1ebf \u00e2m c\u1ee7a m\u1ea1ch xoay chi\u1ec1u s\u1ebd \u0111\u1ea3o th\u00e0nh v\u1ebf d\u01b0\u01a1ng t\u1ee9c l\u00e0 \u0111\u00e3 th\u00e0nh \u0111i\u1ec7n m\u1ed9t chi\u1ec1u. Tuy nhi\u00ean \u0111i\u1ec7n m\u1ed9t chi\u1ec1u n\u00e0y kh\u00f4ng ph\u1eb3ng m\u00e0 n\u00f3 c\u00f2n nh\u1ea5p nh\u00f4 (Trong m\u1ea1ch \u0111i\u1ec7n t\u1eed ng\u01b0\u1eddi ta coi ngu\u1ed3n \u0111i\u1ec7n nh\u1ea5p nh\u00f4 l\u00e0 ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng).\u00a0\u00a0<\/span><\/p>\n

V\u00ec th\u1ebf, ng\u01b0\u1eddi ta c\u1ea7n ph\u1ea3i bi\u1ebfn ngu\u1ed3n \u0111i\u1ec7n nh\u1ea5p nh\u00f4 n\u00e0y th\u00e0nh m\u1ed9t \u0111i\u1ec7n \u00e1p ph\u1eb3ng (Gi\u1ed1ng nh\u01b0 \u0111\u01b0\u1eddng th\u1eb3ng ch\u00fang ta \u0111\u00e3 \u0111o tr\u00ean pin v\u00e0 \u1eafc-quy). \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 th\u00ec ng\u01b0\u1eddi ta s\u1ebd c\u1ea7n th\u00eam m\u1ed9t linh ki\u1ec7n n\u1eefa \u0111\u00f3 l\u00e0 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. T\u1ee5 \u0111i\u1ec7n c\u00f3 nhi\u1ec7m v\u1ee5 l\u00e0 t\u00edch tr\u1eef \u0111i\u1ec7n n\u0103ng \u0111\u1ed3ng th\u1eddi \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p khi t\u1ea3i ti\u00eau th\u1ee5 v\u00e0 kh\u00f4ng d\u1eabn \u0111\u1ebfn b\u1ecb s\u1ee5t t\u1ee9c th\u1eddi nh\u01b0 ch\u00fang ta v\u1eeba \u0111o. V\u00e0 khi ta l\u1eafp th\u00eam t\u1ee5 \u0111i\u1ec7n th\u00ec k\u1ebft qu\u1ea3 n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u0111i\u1ec7n \u00e1p th\u1eb3ng, \u0111\u1ec1u. \u0110\u00e2y l\u00e0 nguy\u00ean t\u1eafc h\u1ea1 \u0111i\u1ec7n \u00e1p.<\/span><\/p>\n

\"H\u01b0\u1edbng
H\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u th\u00e0nh m\u1ed9t chi\u1ec1u<\/span><\/figcaption><\/figure>\n

Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 m\u1ea1ch h\u1ea1 \u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u AC th\u00e0nh m\u1ed9t chi\u1ec1u DC. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/p>\n

M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:
\n<\/i>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT
\n<\/strong>MST: 0108733789
\n<\/strong>T\u1ed5ng \u0111\u00e0i h\u1ed7 tr\u1ee3: 024 3566 8686 \u2013 Hotline: 0981 223 001
\n<\/strong>Facebook:<\/strong>\u00a0www.fb.com\/hocvienit<\/a>
\n\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a>
\nH\u1ec7 th\u1ed1ng c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o:\u00a0<\/b>https:\/\/hocvienit.vn\/lien-he\/<\/a>
\nH\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n

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

Nh\u1eb1m gi\u00fap c\u00e1c b\u1ea1n m\u1edbi h\u1ecdc \u0111i\u1ec7n t\u1eed n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t v\u1ec1 \u0111i\u1ec7n t\u1eed, ng\u00e0y h\u00f4m nay H\u1ecdc vi\u1ec7n iT.vn s\u1ebd gi\u1edbi thi\u1ec7u t\u1edbi c\u00e1c b\u1ea1n v\u1ec1 m\u1ea1ch h\u1ea1 \u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ec9nh l\u01b0u t\u1eeb xoay chi\u1ec1u AC th\u00e0nh m\u1ed9t chi\u1ec1u DC.<\/p>\n","protected":false},"author":95,"featured_media":18656,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[661],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18653"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18653"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18653\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/18656"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}