{"id":7307,"date":"2019-09-02T09:10:05","date_gmt":"2019-09-02T02:10:05","guid":{"rendered":"http:\/\/localhost:8888\/cuongphat\/?p=7307"},"modified":"2019-09-02T09:10:05","modified_gmt":"2019-09-02T02:10:05","slug":"nguon-psu-la-gi-cau-tao-bo-nguon-may-tinh","status":"publish","type":"post","link":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/nguon-psu-la-gi-cau-tao-bo-nguon-may-tinh\/","title":{"rendered":"Ngu\u1ed3n psu l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh"},"content":{"rendered":"

PSU l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng gi\u00fap m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng. Ngo\u00e0i ra, n\u00f3 c\u00f2n quy\u1ebft \u0111\u1ecbnh s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng, tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng kh\u00e1c. V\u1eady, r\u1ed1t c\u1ee5c PSU l\u00e0 g\u00ec?<\/strong> T\u1ea1i sao n\u00f3 l\u1ea1i mang t\u1ea7m quan tr\u1ecdng nh\u01b0 th\u1ebf? \u0110\u1ec3 gi\u1ea3i \u0111\u00e1p c\u00e1c c\u00e2u h\u1ecfi n\u00e0y, c\u00f9ng ch\u00fang t\u00f4i \u0111i t\u00ecm hi\u1ec3u c\u00e2u tr\u1ea3 l\u1eddi qua b\u00e0i vi\u1ebft \u201cPSU l\u00e0 g\u00ec? Nh\u1eefng \u0111i\u1ec1u v\u1ec1 PSU b\u1ea1n c\u1ea7n bi\u1ebft\u201d d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n

PSU l\u00e0 g\u00ec?<\/h2>\n

PSU l\u00e0 vi\u1ebft t\u1eaft cho c\u1ee5m t\u1eeb Ti\u1ebfng Anh: Power Supply Unit hay d\u1ecbch ra Ti\u1ebfng Vi\u1ec7t ch\u00ednh l\u00e0 Ngu\u1ed3n m\u00e1y t\u00ednh, l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb r\u1ea5t quan tr\u1ecdng c\u00f3 ch\u1ee9c n\u0103ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho b\u1ed9 m\u1ea1ch ch\u1ee7, \u1ed5 c\u1ee9ng, \u1ed5 quang,\u2026 \u0111\u00e1p \u1ee9ng \u0111\u1ee7 m\u1ecdi n\u0103ng l\u01b0\u1ee3ng gi\u00fap cho c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng n\u0103ng su\u1ea5t hi\u1ec7u qu\u1ea3.<\/p>\n

\"B\u1ed9<\/p>\n

B\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c th\u00e1o v\u1ecf<\/em><\/p>\n

Do \u0111\u00f3, c\u00f3 th\u1ec3 n\u00f3i, ngu\u1ed3n m\u00e1y t\u00ednh hay PSU ch\u00ednh l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng quan tr\u1ecdng, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. V\u1edbi h\u00e0ng lo\u1ea1t c\u00f4ng ngh\u1ec7 m\u1edbi 2 trong 1 nh\u01b0 RAM Dual Channel, CPU DualCore,\u2026 , b\u1ed9 ngu\u1ed3n l\u00e0 thi\u1ebft b\u1ecb h\u1ebft s\u1ee9c quan tr\u1ecdng, th\u1eadm ch\u00ed quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft b\u1edfi n\u00f3 quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd, s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng .<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n m\u00e1y t\u00ednh<\/h2>\n

Ngu\u1ed3n m\u00e1y t\u00ednh (PSU) l\u00e0 lo\u1ea1i ngu\u1ed3n phi tuy\u1ebfn, kh\u00e1c v\u1edbi lo\u1ea1i ngu\u1ed3n tuy\u1ebfn t\u00ednh \u1edf ch\u1ed7 l\u00e0 ngu\u1ed3n phi tuy\u1ebfn cho \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh, \u00edt ho\u1eb7c kh\u00f4ng ph\u1ee5 thu\u1ed9c t\u00ed n\u00e0o v\u00e0o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o trong gi\u1edbi h\u1ea1n cho ph\u00e9p. Ng\u01b0\u1ee3c l\u1ea1i, ngu\u1ed3n tuy\u1ebfn t\u00ednh ( th\u01b0\u1eddng c\u00f3 c\u1ea5u t\u1ea1o l\u00e0 bi\u1ebfn \u00e1p v\u1edbi cu\u1ed9n s\u01a1 c\u1ea5p v\u00e0 th\u1ee9 c\u1ea5p) cho \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o.<\/p>\n

C\u1ea5u t\u1ea1o b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh<\/h2>\n

Sau khi c\u00f3 hi\u1ec3u th\u00eam \u201cPSU l\u00e0 g\u00ec?\u201dc\u0169ng nh\u01b0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a n\u00f3, h\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 trong b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh PSU m\u00e0 kh\u00f4ng th\u1ec3 kh\u00f4ng nh\u1eafc \u0111\u1ebfn:<\/p>\n

B\u1ed9 bi\u1ebfn \u00e1p<\/em><\/h3>\n

B\u1ed9 bi\u1ebfn \u00e1p n\u1eb1m trong ngu\u1ed3n m\u00e1y t\u00ednh n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng h\u1ea1 \u00e1p c\u1ee7a \u0111i\u1ec7n l\u01b0\u1edbi xu\u1ed1ng m\u1ed9t m\u1ee9c th\u00edch h\u1ee3p cho thi\u1ebft b\u1ecb. \u0110i\u1ec7n th\u1ebf ra c\u1ee7a bi\u1ebfn \u00e1p ch\u00ednh l\u00e0 d\u1ea1ng \u0111i\u1ec7n xoay chi\u1ec1u nh\u01b0ng c\u00f3 m\u1ee9c \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n nhi\u1ec1u. Ngo\u00e0i ra, b\u1ed9 bi\u1ebfn \u00e1p n\u00e0y c\u00f2n c\u00f3 nhi\u1ec7m v\u1ee5 c\u00e1ch ly c\u00e1c\u00a0thi\u1ebft b\u1ecb v\u1edbi \u0111i\u1ec7n th\u1ebf l\u01b0\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh.<\/p>\n

B\u1ed9 n\u1eafn \u0111i\u1ec7n (hay c\u00f2n g\u1ecdi l\u00e0 b\u1ed9 ch\u1ec9nh l\u01b0u)<\/em><\/h3>\n

B\u1ed9 n\u1eafn \u0111i\u1ec7n n\u00e0y c\u00f3 ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n th\u1ebf xoay chi\u1ec1u th\u00e0nh \u0111i\u1ec7n th\u1ebf m\u1ed9t chi\u1ec1u (DC).<\/p>\n

B\u1ed9 l\u1ecdc ch\u1ec9nh l\u01b0u<\/em><\/h3>\n

B\u1ed9 ch\u1ec9nh l\u01b0u trong ngu\u1ed3n m\u00e1y t\u00ednh<\/a> c\u00f3 th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 t\u1ee5 \u0111i\u1ec7n v\u1edbi nhi\u1ec7m v\u1ee5 gi\u1ea3m g\u1ee3n s\u00f3ng cho d\u00f2ng \u0111i\u1ec7n DC sau khi \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u.<\/p>\n

B\u1ed9 l\u1ecdc nhi\u1ec5u \u0111i\u1ec7n\u00a0<\/em><\/h3>\n

B\u1ed9 l\u1ecdc nhi\u1ec5u \u0111i\u1ec7n c\u00f3 c\u00f4ng d\u1ee5ng tr\u00e1nh ho\u1eb7c l\u00e0m gi\u1ea3m c\u00e1c nhi\u1ec5u v\u00e0 xung \u0111i\u1ec7n tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n t\u00e1c \u0111\u1ed9ng kh\u00f4ng t\u1ed1t \u0111\u1ebfn thi\u1ebft b\u1ecb, c\u00e1c b\u1ed9 l\u1ecdc s\u1ebd gi\u1edbi h\u1ea1n ho\u1eb7c tri\u1ec7t ti\u00eau c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng t\u1ed1t n\u00e0y.<\/p>\n

M\u1ea1ch \u1ed5n \u00e1p<\/em><\/h3>\n

M\u1ea1ch \u1ed5n \u00e1p trong PSU c\u00f3 ch\u1ee9c n\u0103ng l\u00e0m \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p cung c\u1ea5p cho c\u00e1c thi\u1ebft b\u1ecb m\u00e1y t\u00ednh khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a d\u00f2ng t\u1ea3i \u0111i\u1ec7n, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o ( ch\u00fang ta c\u00f3 th\u1ec3 h\u00ecnh dung nh\u01b0 ki\u1ec3u LIOA th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0).<\/p>\n

M\u1ea1ch b\u1ea3o v\u1ec7<\/em><\/h3>\n

M\u1ea1ch b\u1ea3o v\u1ec7 c\u00f3 ch\u1ee9c n\u0103ng h\u1ed7 tr\u1ee3 b\u1ea3o v\u1ec7, gi\u1ea3m c\u00e1c thi\u1ec7t h\u1ea1i cho thi\u1ebft b\u1ecb khi c\u00f3 c\u00e1c s\u1ef1 c\u1ed1 do ngu\u1ed3n \u0111i\u1ec7n g\u00e2y ra (v\u00ed d\u1ee5 nh\u01b0 qu\u00e1 \u00e1p, qu\u00e1 d\u00f2ng, \u2026). T\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n

M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 n\u00ean bi\u1ebft khi s\u1eed d\u1ee5ng b\u1ed9 ngu\u1ed3n<\/h2>\n

Sau khi hi\u1ec3u \u0111\u01b0\u1ee3c \u201cPSU l\u00e0 g\u00ec?\u201d, bi\u1ebft \u0111\u01b0\u1ee3c \u0111\u1eb7c \u0111i\u1ec3m c\u0169ng nh\u01b0 c\u1ea5u t\u1ea1o c\u1ee7a PSU, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u1ea7n l\u01b0u \u00fd khi s\u1eed d\u1ee5ng b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh (PSU)<\/p>\n

Th\u1eddi gian duy tr\u00ec \u0111i\u1ec7n <\/em><\/h3>\n

Gi\u00e1 tr\u1ecb\u00a0th\u1eddi gian duy tr\u00ec \u0111i\u1ec7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng mili gi\u00e2y m\u00e0 b\u1ed9 ngu\u1ed3n c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u01b0\u1ee3c c\u00e1c \u0111\u01b0\u1eddng \u0111i\u1ec7n ra \u1edf \u0111\u00fang \u0111\u1ecbnh m\u1ee9c khi \u0111\u01b0\u1eddng \u0111i\u1ec7n v\u00e0o b\u1ecb ng\u1eaft. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 \u00edch khi b\u1ea1n s\u1ed1ng trong c\u00e1c khu v\u1ef1c c\u00f3 \u0111i\u1ec7n kh\u00f4ng \u1ed5n \u0111\u1ecbnh. Gi\u00e1 tr\u1ecb th\u1eddi gian duy tr\u00ec \u0111i\u1ec7n ti\u00eau chu\u1ea9n l\u00e0 kho\u1ea3ng 17ms v\u00e0 b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh n\u00ean c\u00f3 ch\u1ec9 s\u1ed1 n\u00e0y c\u00e0ng cao c\u00e0ng t\u1ed1t.<\/p>\n

Power Factor Correction (PFC)<\/em><\/h3>\n

PFC l\u00e0 m\u1ea1ch hi\u1ec7u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t, cho ph\u00e9p vi\u1ec7c cung c\u1ea5p \u0111i\u1ec7n \u0111\u1ea1t hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng cao.<\/p>\n

\"Passive
Passive PFC<\/figcaption><\/figure>\n

PFC l\u00e0m gi\u1ea3m \u0111\u1ed9 l\u1ec7ch pha gi\u1eefa d\u00f2ng \u0111i\u1ec7n(A) v\u00e0 \u0111i\u1ec7n \u00e1p(V) g\u00f3p ph\u1ea7n t\u0103ng hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng<\/em><\/p>\n

C\u00f3 3 lo\u1ea1i PFC ch\u00ednh l\u00e0 Active PFC, Passive PFC v\u00e0 Non PFC. T\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ngu\u1ed3n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0o hi\u1ec7n t\u1ea1i \u0111\u1ec1u thu\u1ed9c m\u1ed9t trong 3 lo\u1ea1i n\u00e0y:<\/p>\n

Active PFC<\/em><\/h4>\n

\u0110\u00e2y l\u00e0 ki\u1ec3u d\u1ea1ng hi\u1ec7u qu\u1ea3 nh\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ea1ch \u0111i\u1ec7n t\u1ef1 \u0111\u1ed9ng c\u00f3 nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ebfn khi hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 95% (theo l\u00fd thuy\u1ebft). Ngo\u00e0i ra, Active PFC c\u00f2n c\u00f3 m\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00f4ng th\u1ec3 kh\u00f4ng nh\u1eafc \u0111\u1ebfn \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng kh\u1eed nhi\u1ec5u \u0111i\u1ec7n c\u0169ng nh\u01b0 c\u0103n ch\u1ec9nh \u0111\u01b0\u1eddng \u0111i\u1ec7n v\u00e0o. Tuy nhi\u00ean do ki\u1ebfn tr\u00fac ph\u1ee9c t\u1ea1p c\u1ee7a Active PFC n\u00ean nh\u1eefng b\u1ed9 ngu\u1ed3n d\u00f9ng c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec1u c\u00f3 gi\u00e1 kh\u00e1 cao.<\/p>\n

Active PFC c\u00f3 kh\u1ea3 n\u0103ng kh\u1eed nhi\u1ec5u v\u00e0 c\u0103n ch\u1ec9nh \u0111\u01b0\u1eddng \u0111i\u1ec7n v\u00e0o<\/em><\/p>\n

Passive PFC<\/em><\/h4>\n

\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. Passive PFC c\u00f3 ch\u1ee9c n\u0103ng c\u0103n ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n th\u00f4ng qua c\u00e1c t\u1ee5 l\u1ecdc. Tuy nhi\u00ean, n\u00f3 c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c d\u1ec5 b\u1ecb thay \u0111\u1ed5i theo th\u1eddi gian c\u0169ng nh\u01b0 d\u1ec5 ch\u1ecbu t\u00e1c \u0111\u1ed9ng l\u1edbn t\u1eeb c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i nh\u01b0 nhi\u1ec7t \u0111\u1ed9, ch\u1ea5n \u0111\u1ed9ng\u2026<\/p>\n

Non PFC<\/em><\/h4>\n

Non PFC\u00a0l\u00e0 c\u00e1c PSU kh\u00f4ng \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ea1ch hi\u1ec7u ch\u1ec9nh c\u00f4ng su\u1ea5t. C\u00e1c PSU n\u00e0y th\u01b0\u1eddng c\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf c\u0169ng nh\u01b0 tu\u1ed5i th\u1ecd kh\u00e1 l\u00e2u. \u01afu \u0111i\u1ec3m c\u1ee7a m\u1eabu b\u1ed9 ngu\u1ed3n n\u00e0y l\u00e0 gi\u00e1 th\u00e0nh r\u1ebb, c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n. Tuy nhi\u00ean, b\u00ean c\u1ea1nh \u01b0u \u0111i\u1ec3m, n\u00f3 c\u00f2n c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 hi\u1ec7u su\u1ea5t th\u1ea5p ~70%, c\u00f4ng su\u1ea5t \u0111\u1ec9nh kh\u00f4ng \u0111\u01b0\u1ee3c cao v\u00e0 d\u1ea3i \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c nh\u1ecf.<\/p>\n

Non PFC c\u00f3 c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n, gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd nh\u01b0ng hi\u1ec7u su\u1ea5t th\u1ea5p<\/em><\/p>\n

N\u0103ng l\u01b0\u1ee3ng c\u1ef1c \u0111\u1ea1i v\u00e0 n\u0103ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c<\/em><\/h3>\n

M\u1ee9c n\u0103ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c (Continuous Power<\/em>) ch\u1ec9 r\u00f5 kh\u1ea3 n\u0103ng c\u1ea5p \u0111i\u1ec7n ngu\u1ed3n trong m\u1ed9t kho\u1ea3ng th\u1eddi gian li\u00ean t\u1ee5c c\u00f2n n\u0103ng l\u01b0\u1ee3ng c\u1ef1c \u0111\u1ea1i (Peak Power)ch\u1ec9 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c t\u1ed1i \u0111a trong kho\u1ea3ng th\u1eddi gian ng\u1eafn v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c li\u00ean t\u1ee5c nh\u01b0 Continuous Power.<\/h4>\n

Chi\u1ebft \u00e1p ch\u1ec9nh \u0111i\u1ec7n th\u1ebf (Adjustable Pot)<\/em><\/h3>\n

M\u1ed9t s\u1ed1 b\u1ed9 ngu\u1ed3n t\u1ed1t c\u00f3 k\u00e8m theo c\u00e1c chi\u1ebft \u00e1p nh\u1ecf b\u00ean trong \u0111\u1ec3 ch\u1ec9nh hi\u1ec7u \u0111i\u1ec7n th\u1ebf cho c\u00e1c \u0111\u01b0\u1eddng \u0111i\u1ec7n. Trong th\u1ef1c t\u1ebf, n\u1ebfu \u0111\u01b0\u1eddng \u0111i\u1ec7n 12V c\u1ee7a b\u1ea1n t\u1ee5t xu\u1ed1ng d\u01b0\u1edbi 11,5V, n\u00f3 s\u1ebd g\u00e2y ra m\u1ea5t \u1ed5n \u0111\u1ecbnh cho to\u00e0n h\u1ec7 th\u1ed1ng. V\u00ec v\u1eady, nh\u1edb r\u1eb1ng chu\u1ea9n ATX cho ph\u00e9p \u0111i\u1ec7n th\u1ebf m\u1ed7i \u0111\u01b0\u1eddng dao \u0111\u1ed9ng trong kho\u1ea3ng 5% v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ec9nh l\u1ea1i l\u00ean 12V th\u00f4ng qua nh\u1eefng chi\u1ebft \u00e1p \u0111\u00f3. Tuy nhi\u00ean \u0111\u00e2y l\u00e0 t\u00ednh n\u0103ng n\u00e2ng cao v\u00e0 ch\u1ec9 n\u00ean th\u1ef1c hi\u1ec7n n\u1ebfu bi\u1ebft m\u00ecnh \u0111ang l\u00e0m \u0111i\u1ec1u g\u00ec.<\/p>\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 l\u00e0 m\u1ed9t b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh t\u1ed1t<\/h2>\n

\u0110\u1ec3 l\u00e0 m\u1ed9t b\u1ed9 ngu\u1ed3n m\u00e1y t\u00ednh t\u1ed1t c\u1ea7n \u0111\u00e1p \u1ee9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n, y\u1ebfu t\u1ed1 ti\u00ean quy\u1ebft sau \u0111\u00e2y:<\/p>\n

    \n
  • S\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra: kh\u00f4ng \u0111\u01b0\u1ee3c sai l\u1ec7ch qu\u00e1 -5 \u0111\u1ebfn + 5% so v\u1edbi \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh khi m\u00e0 ngu\u1ed3n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ebfn c\u00f4ng su\u1ea5t thi\u1ebft k\u1ebf.<\/li>\n
  • \u0110i\u1ec7n \u00e1p \u0111\u1ea7u ra c\u1ee7a ngu\u1ed3n m\u00e1y t\u00ednh PSU ph\u1ea3i b\u1eb1ng ph\u1eb3ng, kh\u00f4ng nhi\u1ec5u.<\/li>\n
  • Hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a PSU c\u1ea7n cao, \u0111\u1ea1t tr\u00ean 80%<\/li>\n
  • Ngu\u1ed3n m\u00e1y t\u00ednh kh\u00f4ng g\u00e2y ra t\u1eeb tr\u01b0\u1eddng, \u0111i\u1ec7n tr\u01b0\u1eddng, nhi\u1ec5u sang c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c xung quanh n\u00f3 v\u00e0 ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c t\u1eeb tr\u01b0\u1eddng, \u0111i\u1ec7n tr\u01b0\u1eddng, nhi\u1ec5u t\u1eeb c\u00e1c v\u1eadt kh\u00e1c xung quanh t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn n\u00f3.<\/li>\n
  • Khi ho\u1ea1t \u0111\u1ed9ng, b\u1ed9 ngu\u1ed3n PSU c\u1ea7n to\u1ea3 ra \u00edt nhi\u1ec7t, g\u00e2y rung, \u1ed3n nh\u1ecf.<\/li>\n
  • C\u00e1c d\u00e2y n\u1ed1i \u0111\u1ea7u ra c\u1ee7a ngu\u1ed3n m\u00e1y t\u00ednh c\u1ea7n \u0111a d\u1ea1ng, nhi\u1ec1u ch\u00e2n c\u1eafm, \u0111\u01b0\u1ee3c b\u1ecdc d\u00e2y g\u1ecdn g\u00e0ng v\u00e0 ch\u1ed1ng nhi\u1ec5u.<\/li>\n
  • \u0110\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u1edbi c\u00f4ng su\u1ea5t thi\u1ebft k\u1ebf trong m\u1ed9t th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng d\u00e0i<\/li>\n
  • D\u1ea3i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o c\u00e0ng r\u1ed9ng c\u00e0ng t\u1ed1t, \u0111a s\u1ed1 c\u00e1c ngu\u1ed3n ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 d\u1ea3i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o t\u1eeb 90 \u0111\u1ebfn 260Vac, t\u1ea7n s\u1ed1 50\/60\u00a0Hz<\/li>\n<\/ul>\n

    Hy v\u1ecdng v\u1edbi nh\u1eefng th\u00f4ng tin tr\u00ean \u0111\u00e2y, \u0111\u1ed9c gi\u1ea3 s\u1ebd gi\u1ea3i \u0111\u00e1p \u0111\u01b0\u1ee3c c\u00e1c th\u1eafc m\u1eafc: PSU l\u00e0 g\u00ec? T\u1ea1i sao ch\u00fang l\u1ea1i quan tr\u1ecdng v\u1edbi m\u00e1y t\u00ednh nh\u01b0 th\u1ebf? \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft ho\u1eb7c mu\u1ed1n mua c\u00e1c s\u1ea3n ph\u1ea9m PSU<\/p>\n","protected":false},"excerpt":{"rendered":"

    PSU l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng gi\u00fap m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng. Ngo\u00e0i ra, n\u00f3 c\u00f2n quy\u1ebft \u0111\u1ecbnh s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng, tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng kh\u00e1c. V\u1eady, r\u1ed1t c\u1ee5c PSU l\u00e0 g\u00ec? T\u1ea1i sao n\u00f3 l\u1ea1i mang t\u1ea7m quan tr\u1ecdng nh\u01b0 th\u1ebf?…<\/p>\n","protected":false},"author":2,"featured_media":7308,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"yst_prominent_words":[],"_links":{"self":[{"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/posts\/7307"}],"collection":[{"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/comments?post=7307"}],"version-history":[{"count":0,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/posts\/7307\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/media\/7308"}],"wp:attachment":[{"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/media?parent=7307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/categories?post=7307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/tags?post=7307"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/giaodienwebsite.tgs.com.vn\/thanhly2\/wp-json\/wp\/v2\/yst_prominent_words?post=7307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}