{"id":4781,"date":"2024-06-29T15:26:37","date_gmt":"2024-06-29T07:26:37","guid":{"rendered":"https:\/\/bo-qi.com\/?p=4781"},"modified":"2026-01-04T18:29:28","modified_gmt":"2026-01-04T10:29:28","slug":"what-is-a-triac-dimmer","status":"publish","type":"post","link":"https:\/\/bo-qi.com\/vi\/what-is-a-triac-dimmer\/","title":{"rendered":"B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC l\u00e0 g\u00ec?"},"content":{"rendered":"

B\u1ea1n c\u00f3 bao gi\u1edd t\u1ef1 h\u1ecfi l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 kh\u00f4ng? V\u1edbi qu\u00e1 nhi\u1ec1u l\u1ef1a ch\u1ecdn \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng hi\u1ec7n c\u00f3, vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00f3 th\u1ec3 g\u00e2y b\u1ed1i r\u1ed1i. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC, m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111\u00e8n trong nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n l\u01b0\u1ee3ng \u0111i\u1ec7n ch\u1ea3y v\u00e0o \u0111\u00e8n. N\u00f3 bao g\u1ed3m ba ph\u1ea7n: m\u1ed9t n\u00fam xoay, m\u1ed9t c\u00f4ng t\u1eafc v\u00e0 m\u1ed9t m\u1ea1ch TRIAC. N\u00fam xoay \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n, v\u00e0 c\u00f4ng t\u1eafc \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 b\u1eadt v\u00e0 t\u1eaft \u0111\u00e8n.<\/strong><\/p>\n\n\n\n

Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 nhu c\u1ea7u chi\u1ebfu s\u00e1ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC l\u00e0 g\u00ec?<\/h2>\n\n\n\n

\u0110\u01b0\u1ee3c r\u1ed3i, h\u00e3y \u0111i v\u00e0o v\u1ea5n \u0111\u1ec1 ch\u00ednh. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n. TRIAC l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Triode for Alternating Current, nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft l\u00e0 n\u00f3 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ch\u00ednh trong m\u1ea1ch c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng. Thi\u1ebft b\u1ecb nh\u1ecf n\u00e0y c\u00f3 th\u1ec3 bi\u1ebfn c\u00f4ng t\u1eafc \u0111\u00e8n b\u1eadt-t\u1eaft ti\u00eau chu\u1ea9n c\u1ee7a b\u1ea1n th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb v\u1eadn h\u00e0nh m\u01b0\u1ee3t m\u00e0, \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u00e1nh s\u00e1ng ph\u00f9 h\u1ee3p v\u1edbi t\u00e2m tr\u1ea1ng ho\u1eb7c nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

\"b\u1ed9
B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Triac c\u1ea1nh sau 300w BQ-TTDIM<\/figcaption><\/figure>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111\u00e3 l\u00ean k\u1ebf ho\u1ea1ch cho m\u1ed9t b\u1eefa t\u1ed1i l\u00e3ng m\u1ea1n, ho\u1eb7c c\u00f3 l\u1ebd b\u1ea1n ch\u1ec9 \u0111ang \u1ed5n \u0111\u1ecbnh ch\u1ed7 ng\u1ed3i cho m\u1ed9t bu\u1ed5i xem phim. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC cho ph\u00e9p b\u1ea1n gi\u1ea3m \u00e1nh s\u00e1ng \u0111\u1ec3 t\u1ea1o ra b\u1ea7u kh\u00f4ng kh\u00ed ho\u00e0n h\u1ea3o. N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb ba ph\u1ea7n ch\u00ednh: m\u1ed9t n\u00fam xoay, b\u1ea1n xoay ho\u1eb7c tr\u01b0\u1ee3t \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng; m\u1ed9t c\u00f4ng t\u1eafc, \u0111\u1ec3 b\u1eadt v\u00e0 t\u1eaft \u0111\u00e8n; v\u00e0 ch\u00ednh m\u1ea1ch TRIAC, th\u1ef1c hi\u1ec7n ph\u00e9p m\u00e0u \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng. Thi\u1ebft l\u1eadp n\u00e0y r\u1ea5t \u0111\u01a1n gi\u1ea3n, khi\u1ebfn b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn y\u00eau th\u00edch c\u1ee7a c\u1ea3 nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea t\u1ef1 l\u00e0m v\u00e0 c\u00e1c chuy\u00ean gia.<\/p>\n\n\n\n

C\u00e1c lo\u1ea1i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC<\/h2>\n\n\n\n

B\u00e2y gi\u1edd, h\u00e3y \u0111i s\u00e2u v\u00e0o c\u00e1c lo\u1ea1i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC kh\u00e1c nhau m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p. Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111\u1ec1u gi\u1ed1ng nhau, v\u00e0 ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0110\u1ea7u ti\u00ean, ch\u00fang ta c\u00f3 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh \u0111\u1ea7u<\/strong>. \u0110\u00e2y l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0 halogen. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch c\u1eaft ph\u1ea7n \u0111\u1ea7u c\u1ee7a d\u1ea1ng s\u00f3ng AC, gi\u00fap gi\u1ea3m c\u00f4ng su\u1ea5t cung c\u1ea5p cho b\u00f3ng \u0111\u00e8n. C\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y b\u1ec1n b\u1ec9 v\u00e0 x\u1eed l\u00fd t\u1ed1t t\u1ea3i \u0111i\u1ec7n tr\u1edf, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn v\u1eefng ch\u1eafc cho nhi\u1ec1u thi\u1ebft l\u1eadp chi\u1ebfu s\u00e1ng truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

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\"h\u00ecnh
B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh \u0111\u1ea7u<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n
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\"D\u1ea1ng
D\u1ea1ng s\u00f3ng AC l\u00e0m m\u1edd c\u1ea1nh h\u00e0ng \u0111\u1ea7u<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

Sau \u0111\u00f3 l\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh sau<\/strong>. Nh\u1eefng lo\u1ea1i n\u00e0y ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn chi\u1ebfu s\u00e1ng hi\u1ec7n \u0111\u1ea1i nh\u01b0 b\u00f3ng \u0111\u00e8n LED v\u00e0 CFL. Ch\u00fang c\u1eaft ph\u1ea7n cu\u1ed1i c\u1ee7a d\u1ea1ng s\u00f3ng AC, gi\u00fap ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 \u00eam h\u01a1n. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh sau th\u01b0\u1eddng \u0111\u1eaft h\u01a1n, nh\u01b0ng ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n v\u1edbi t\u1ea3i \u0111i\u1ec7n t\u1eed v\u00e0 \u00edt c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y nh\u1ea5p nh\u00e1y ho\u1eb7c \u00f9.<\/p>\n\n\n\n

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\"b\u1ed9
B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Triac c\u1ea1nh sau 300w<\/figcaption><\/figure>\n<\/div>\n\n\n\n
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\"h\u00ecnh
Trailing Edge Dimming AC d\u1ea1ng s\u00f3ng<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

V\u00e0 \u0111\u1eebng qu\u00ean v\u1ec1 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111a n\u0103ng<\/strong>. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi nhi\u1ec1u lo\u1ea1i b\u00f3ng \u0111\u00e8n kh\u00e1c nhau, t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng d\u1ef1a tr\u00ean t\u1ea3i. N\u1ebfu b\u1ea1n \u0111ang x\u1eed l\u00fd h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng h\u1ed7n h\u1ee3p ho\u1eb7c ch\u1ec9 mu\u1ed1n m\u1ed9t gi\u1ea3i ph\u00e1p kh\u00f4ng r\u1eafc r\u1ed1i, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111a n\u0103ng c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n\n
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\"b\u1ed9<\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
\"h\u00ecnh<\/figure>\n<\/div>\n<\/div>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

H\u00e3y \u0111i v\u00e0o chi ti\u1ebft v\u1ec1 c\u00e1ch c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u1ee9 g\u1ecdi l\u00e0 \u0111i\u1ec1u khi\u1ec3n pha. \u0110i\u1ec1u n\u00e0y nghe c\u00f3 v\u1ebb k\u1ef9 thu\u1eadt, nh\u01b0ng n\u00f3 kh\u00e1 \u0111\u01a1n gi\u1ea3n khi b\u1ea1n \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c. \u00dd t\u01b0\u1edfng l\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft nh\u1ecf chu k\u1ef3 \u0111i\u1ec7n \u00e1p AC \u0111\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u1ebfn b\u00f3ng \u0111\u00e8n.<\/p>\n\n\n\n

H\u00e3y h\u00ecnh dung \u0111i\u1ec7n \u00e1p AC nh\u01b0 m\u1ed9t l\u00e0n s\u00f3ng li\u00ean t\u1ee5c. Th\u00f4ng th\u01b0\u1eddng, b\u00f3ng \u0111\u00e8n c\u1ee7a b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 l\u00e0n s\u00f3ng, cho b\u1ea1n \u0111\u1ed9 s\u00e1ng 100%. Nh\u01b0ng khi b\u1ea1n s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC, n\u00f3 b\u1eaft \u0111\u1ea7u c\u1eaft b\u1ecf m\u1ed9t ph\u1ea7n c\u1ee7a l\u00e0n s\u00f3ng \u0111\u00f3. B\u1eb1ng c\u00e1ch tr\u00ec ho\u00e3n th\u1eddi \u0111i\u1ec3m TRIAC b\u1eadt, n\u00f3 gi\u1ea3m l\u01b0\u1ee3ng \u0111i\u1ec7n ch\u1ea3y \u0111\u1ebfn b\u00f3ng \u0111\u00e8n. B\u1eadt c\u00e0ng s\u1edbm, \u0111\u00e8n c\u00e0ng s\u00e1ng; b\u1eadt c\u00e0ng mu\u1ed9n, \u0111\u00e8n c\u00e0ng m\u1edd.<\/p>\n\n\n\n

\"h\u00ecnh<\/figure>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y hi\u1ec7u qu\u1ea3 v\u00e0 kh\u00f4ng l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng nh\u01b0 c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111i\u1ec7n tr\u1edf c\u0169. Th\u00eam v\u00e0o \u0111\u00f3, th\u1eadt th\u00fa v\u1ecb khi ngh\u0129 r\u1eb1ng m\u1ed9t linh ki\u1ec7n \u0111i\u1ec7n t\u1eed nh\u1ecf c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u00e1nh s\u00e1ng trong ph\u00f2ng b\u1ea1n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u01b0 v\u1eady. Ch\u00ednh \u0111i\u1ec1u khi\u1ec3n pha n\u00e0y l\u00e0m cho b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC hi\u1ec7u qu\u1ea3 v\u00e0 ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC<\/h2>\n\n\n\n

V\u1eady, t\u1ea1i sao b\u1ea1n n\u00ean b\u1eadn t\u00e2m \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC? C\u00f3 r\u1ea5t nhi\u1ec1u l\u00fd do, tin t\u00f4i \u0111i. \u0110\u1ea7u ti\u00ean, \u0111\u1ed9 tin c\u1eady<\/strong>. C\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y \u0111\u00e3 t\u1ed3n t\u1ea1i m\u1ed9t th\u1eddi gian v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh. Ch\u00fang c\u00f3 th\u1ec3 x\u1eed l\u00fd chu k\u1ef3 b\u1eadt-t\u1eaft h\u00e0ng ng\u00e0y m\u00e0 kh\u00f4ng g\u1eb7p tr\u1ee5c tr\u1eb7c, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady cho m\u1ecdi h\u1ed9 gia \u0111\u00ecnh.<\/p>\n\n\n\n

Sau \u0111\u00f3 l\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n<\/strong>. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng. Ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee3 \u0111i\u1ec7n, b\u1ea1n th\u01b0\u1eddng c\u00f3 th\u1ec3 thay c\u00f4ng t\u1eafc \u0111\u00e8n th\u00f4ng th\u01b0\u1eddng b\u1eb1ng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC ch\u1ec9 v\u1edbi v\u00e0i d\u1ee5ng c\u1ee5 c\u01a1 b\u1ea3n. Thi\u1ebft k\u1ebf tr\u1ef1c quan, v\u1edbi n\u00fam xoay ho\u1eb7c thanh tr\u01b0\u1ee3t \u0111\u01a1n gi\u1ea3n, c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n b\u1eb1ng c\u1ea5p v\u1ec1 k\u1ef9 thu\u1eadt \u0111i\u1ec7n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u00e1nh s\u00e1ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

V\u00e0 \u0111\u1eebng qu\u00ean v\u1ec1 t\u00ednh hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>. So v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng kh\u00e1c, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb. Ch\u00fang mang l\u1ea1i gi\u00e1 tr\u1ecb tuy\u1ec7t v\u1eddi cho s\u1ed1 ti\u1ec1n b\u1ea1n b\u1ecf ra, \u0111\u1eb7c bi\u1ec7t khi b\u1ea1n xem x\u00e9t s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 linh ho\u1ea1t b\u1ed5 sung m\u00e0 ch\u00fang mang l\u1ea1i cho h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng trong nh\u00e0. Ch\u00fang c\u0169ng hi\u1ec7u qu\u1ea3 h\u01a1n c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng bi\u1ebfn tr\u1edf c\u0169, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u0169ng s\u1ebd ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c m\u1ed9t ch\u00fat tr\u00ean h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC v\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV<\/h2>\n\n\n\n

B\u00e2y gi\u1edd, h\u00e3y n\u00f3i v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC v\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV. ELV l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Extra Low Voltage (\u0111i\u1ec7n \u00e1p c\u1ef1c th\u1ea5p), v\u00e0 c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng pha \u0111\u1ea3o ng\u01b0\u1ee3c. Kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC, \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p AC b\u1eb1ng c\u00e1ch c\u1eaft ph\u1ea7n \u0111\u1ea7u c\u1ee7a d\u1ea1ng s\u00f3ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV c\u1eaft ph\u1ea7n cu\u1ed1i c\u1ee7a d\u1ea1ng s\u00f3ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0 h\u01a1n v\u00e0 \u00edt c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ti\u1ebfng \u1ed3n ho\u1eb7c nh\u1ea5p nh\u00e1y, \u0111\u1eb7c bi\u1ec7t v\u1edbi \u0111\u00e8n LED.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi bi\u1ebfn \u00e1p \u0111i\u1ec7n t\u1eed, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng \u0111i\u1ec7n \u00e1p th\u1ea5p. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c m\u00f4i tr\u01b0\u1eddng d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i cao c\u1ea5p, n\u01a1i c\u1ea7n ki\u1ec3m so\u00e1t \u00e1nh s\u00e1ng ch\u00ednh x\u00e1c. \u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u1edbi nhi\u1ec1u lo\u1ea1i chi\u1ebfu s\u00e1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u00e8n LED.<\/p>\n\n\n\n

Tuy nhi\u00ean, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV th\u01b0\u1eddng \u0111\u1eaft h\u01a1n b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. Ch\u00fang c\u0169ng y\u00eau c\u1ea7u d\u00e2y trung t\u00ednh \u0111\u1ec3 l\u1eafp \u0111\u1eb7t, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 s\u1eb5n trong c\u00e1c ng\u00f4i nh\u00e0 c\u0169. M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y, hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u00e1c h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng MLV so v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV<\/h2>\n\n\n\n

\u0110\u01b0\u1ee3c r\u1ed3i, h\u00e3y ph\u00e2n t\u00edch cu\u1ed9c tranh lu\u1eadn gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng MLV v\u00e0 ELV. MLV l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Magnetic Low Voltage (\u0110i\u1ec7n \u00e1p th\u1ea5p t\u1eeb t\u00ednh), v\u00e0 c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi m\u00e1y bi\u1ebfn \u00e1p t\u1eeb t\u00ednh. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n pha \u0111\u1ea7u s\u00f3ng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng MLV th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi \u0111\u00e8n halogen \u0111i\u1ec7n \u00e1p th\u1ea5p v\u00e0 m\u1ed9t s\u1ed1 \u0111\u00e8n LED t\u01b0\u01a1ng th\u00edch v\u1edbi m\u00e1y bi\u1ebfn \u00e1p t\u1eeb t\u00ednh.<\/p>\n\n\n\n

\"h\u00ecnh<\/figure>\n\n\n\n

M\u1eb7t kh\u00e1c, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV, nh\u01b0 ch\u00fang ta \u0111\u00e3 th\u1ea3o lu\u1eadn, s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n pha cu\u1ed1i s\u00f3ng v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n t\u1eed. Ch\u00fang ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi \u0111\u00e8n LED v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng hi\u1ec7n \u0111\u1ea1i kh\u00e1c. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng MLV v\u00e0 ELV n\u1eb1m \u1edf kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c lo\u1ea1i m\u00e1y bi\u1ebfn \u00e1p kh\u00e1c nhau v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n pha m\u00e0 ch\u00fang s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

\"h\u00ecnh<\/figure>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng MLV th\u01b0\u1eddng ch\u1eafc ch\u1eafn h\u01a1n v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n xung cao h\u01a1n, \u0111i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng h\u1ea1ng n\u1eb7ng. Tuy nhi\u00ean, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ELV mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n v\u1edbi t\u1ea3i \u0111i\u1ec7n t\u1eed v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0 h\u01a1n v\u1edbi \u00edt ti\u1ebfng \u1ed3n v\u00e0 nh\u1ea5p nh\u00e1y h\u01a1n. Khi l\u1ef1a ch\u1ecdn gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng MLV v\u00e0 ELV, h\u00e3y xem x\u00e9t lo\u1ea1i \u0111\u00e8n v\u00e0 m\u00e1y bi\u1ebfn \u00e1p b\u1ea1n c\u00f3, c\u0169ng nh\u01b0 c\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t mong mu\u1ed1n.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC v\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0-10V<\/h2>\n\n\n\n

H\u00e3y \u0111i s\u00e2u v\u00e0o s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC v\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0-10V. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u b\u1eb1ng c\u00e1ch c\u1eaft d\u1ea1ng s\u00f3ng, gi\u00fap gi\u1ea3m ngu\u1ed3n \u0111i\u1ec7n cung c\u1ea5p cho b\u00f3ng \u0111\u00e8n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t, halogen v\u00e0 m\u1ed9t s\u1ed1 b\u00f3ng \u0111\u00e8n LED.<\/p>\n\n\n\n

M\u1eb7t kh\u00e1c, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0-10V s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p th\u1ea5p ri\u00eang bi\u1ec7t \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n. T\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n n\u00e0y dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 10 volt, v\u1edbi 0 volt l\u00e0 t\u1ed1i nh\u1ea5t v\u00e0 10 volt l\u00e0 s\u00e1ng nh\u1ea5t. \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0-10V th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i v\u00e0 v\u1edbi h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng hu\u1ef3nh quang.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0-10V l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p ki\u1ec3m so\u00e1t r\u1ea5t ch\u00ednh x\u00e1c \u0111\u1ed1i v\u1edbi \u0111\u1ea7u ra \u00e1nh s\u00e1ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0169ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chi\u1ebfu s\u00e1ng ti\u00ean ti\u1ebfn. Tuy nhi\u00ean, n\u00f3 y\u00eau c\u1ea7u th\u00eam d\u00e2y \u0111i\u1ec7n cho t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m ph\u1ee9c t\u1ea1p vi\u1ec7c l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC r\u1ea5t ph\u00f9 h\u1ee3p cho s\u1eed d\u1ee5ng d\u00e2n d\u1ee5ng v\u1edbi c\u00e1c lo\u1ea1i \u0111\u00e8n ti\u00eau chu\u1ea9n, trong khi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0-10V ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i v\u00e0 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n

Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c lo\u1ea1i b\u00f3ng \u0111\u00e8n kh\u00e1c nhau<\/h2>\n\n\n\n

Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t khi s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 b\u00f3ng \u0111\u00e8n \u0111\u1ec1u gi\u1ed1ng nhau, v\u00e0 s\u1eed d\u1ee5ng sai lo\u1ea1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 nh\u1ea5p nh\u00e1y, \u00f9 ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m h\u1ecfng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ho\u1eb7c b\u00f3ng \u0111\u00e8n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan nhanh v\u1ec1 lo\u1ea1i b\u00f3ng \u0111\u00e8n n\u00e0o ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC.<\/p>\n\n\n\n

B\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t<\/strong>: \u0110\u00e2y l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o cho b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. C\u00f4ng ngh\u1ec7 \u0111\u1eb1ng sau b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o v\u1edbi \u0111i\u1ec1u khi\u1ec3n pha \u0111\u1ea7u s\u00f3ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC.<\/p>\n\n\n\n

B\u00f3ng \u0111\u00e8n halogen<\/strong>: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t, b\u00f3ng \u0111\u00e8n halogen c\u0169ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. Ch\u00fang mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng \u00e1nh s\u00e1ng h\u01a1i kh\u00e1c m\u1ed9t ch\u00fat nh\u01b0ng v\u1eabn ph\u1ea3n h\u1ed3i m\u01b0\u1ee3t m\u00e0 khi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng.<\/p>\n\n\n\n

B\u00f3ng \u0111\u00e8n LED<\/strong>: \u0110\u00e2y l\u00e0 n\u01a1i m\u1ecdi th\u1ee9 tr\u1edf n\u00ean h\u01a1i ph\u1ee9c t\u1ea1p. Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u00e8n LED \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng, v\u00e0 ngay c\u1ea3 nh\u1eefng lo\u1ea1i c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u0169ng c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. Lu\u00f4n ki\u1ec3m tra bao b\u00ec ho\u1eb7c th\u00f4ng tin t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u00f3ng \u0111\u00e8n LED t\u01b0\u01a1ng th\u00edch v\u1edbi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. M\u1ed9t s\u1ed1 \u0111\u00e8n LED \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh sau, v\u00ec v\u1eady h\u00e3y ch\u1eafc ch\u1eafn b\u1ea1n \u0111ang ch\u1ecdn \u0111\u00fang lo\u1ea1i.<\/p>\n\n\n\n

B\u00f3ng \u0111\u00e8n CFL<\/strong>: \u0110\u00e8n hu\u1ef3nh quang compact c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c kh\u00f4ng v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC. Nhi\u1ec1u b\u00f3ng CFL c\u0169 kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng, nh\u01b0ng c\u00e1c m\u1eabu m\u1edbi h\u01a1n c\u00f3 th\u1ec3. M\u1ed9t l\u1ea7n n\u1eefa, vi\u1ec7c ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch tr\u01b0\u1edbc khi \u0111\u01b0a ra b\u1ea5t k\u1ef3 gi\u1ea3 \u0111\u1ecbnh n\u00e0o l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

B\u1eb1ng c\u00e1ch ch\u1ecdn \u0111\u00fang lo\u1ea1i b\u00f3ng \u0111\u00e8n, b\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0, kh\u00f4ng nh\u1ea5p nh\u00e1y.<\/p>\n\n\n\n

C\u00e1ch L\u1eafp \u0110\u1eb7t B\u1ed9 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng TRIAC<\/h2>\n\n\n\n

Vi\u1ec7c l\u1eafp \u0111\u1eb7t b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC nghe c\u00f3 v\u1ebb \u0111\u00e1ng s\u1ee3, nh\u01b0ng th\u1ef1c t\u1ebf kh\u00e1 \u0111\u01a1n gi\u1ea3n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 gi\u00fap b\u1ea1n th\u1ef1c hi\u1ec7n quy tr\u00ecnh:<\/p>\n\n\n\n

\"c\u00e0i
L\u1eafp \u0111\u1eb7t b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng LED<\/figcaption><\/figure>\n\n\n\n
    \n
  1. T\u1eaft ngu\u1ed3n \u0111i\u1ec7n<\/strong>: An to\u00e0n l\u00e0 tr\u00ean h\u1ebft! H\u00e3y ch\u1eafc ch\u1eafn t\u1eaft c\u1ea7u dao \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n m\u00e0 b\u1ea1n s\u1ebd l\u00e0m vi\u1ec7c. Ki\u1ec3m tra l\u1ea1i b\u1eb1ng c\u00e1ch th\u1eed b\u1eadt v\u00e0 t\u1eaft \u0111\u00e8n \u2013 \u0111\u00e8n ph\u1ea3i \u1edf tr\u1ea1ng th\u00e1i t\u1eaft.<\/li>\n\n\n\n
  2. Th\u00e1o c\u00f4ng t\u1eafc hi\u1ec7n t\u1ea1i<\/strong>: Th\u00e1o t\u1ea5m che c\u00f4ng t\u1eafc v\u00e0 l\u1ea5y c\u00e1c v\u00edt gi\u1eef c\u00f4ng t\u1eafc ra. C\u1ea9n th\u1eadn k\u00e9o c\u00f4ng t\u1eafc ra kh\u1ecfi t\u01b0\u1eddng \u0111\u1ec3 l\u1ed9 d\u00e2y \u0111i\u1ec7n.<\/li>\n\n\n\n
  3. Ng\u1eaft k\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n<\/strong>: Ghi ch\u00fa c\u00e1ch c\u00e1c d\u00e2y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00f4ng t\u1eafc hi\u1ec7n t\u1ea1i. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ee5p \u1ea3nh \u0111\u1ec3 tham kh\u1ea3o. Sau \u0111\u00f3, ng\u1eaft k\u1ebft n\u1ed1i d\u00e2y b\u1eb1ng c\u00e1ch th\u00e1o v\u00edt \u0111\u1ea7u n\u1ed1i ho\u1eb7c s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i d\u00e2y.<\/li>\n\n\n\n
  4. K\u1ebft n\u1ed1i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/strong>: L\u00e0m theo h\u01b0\u1edbng d\u1eabn \u0111\u1ea5u d\u00e2y \u0111i k\u00e8m v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC c\u1ee7a b\u1ea1n. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n s\u1ebd k\u1ebft n\u1ed1i d\u00e2y n\u00f3ng v\u1edbi d\u00e2y m\u00e0u \u0111en ho\u1eb7c \u0111\u1ecf tr\u00ean b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng, d\u00e2y t\u1ea3i v\u1edbi d\u00e2y m\u00e0u \u0111en c\u00f2n l\u1ea1i, v\u00e0 d\u00e2y n\u1ed1i \u0111\u1ea5t v\u1edbi d\u00e2y m\u00e0u xanh l\u00e1 c\u00e2y. N\u1ebfu b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u d\u00e2y trung t\u00ednh, h\u00e3y k\u1ebft n\u1ed1i n\u00f3 v\u1edbi d\u00e2y m\u00e0u tr\u1eafng trong h\u1ed9p.<\/li>\n\n\n\n
  5. G\u1eafn b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/strong>: C\u1ea9n th\u1eadn nh\u00e9t d\u00e2y tr\u1edf l\u1ea1i h\u1ed9p t\u01b0\u1eddng v\u00e0 v\u1eb7n b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng v\u00e0o v\u1ecb tr\u00ed. G\u1eafn t\u1ea5m che c\u00f4ng t\u1eafc, \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn.<\/li>\n\n\n\n
  6. Ki\u1ec3m tra b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/strong>: B\u1eadt l\u1ea1i ngu\u1ed3n \u0111i\u1ec7n t\u1ea1i c\u1ea7u dao v\u00e0 ki\u1ec3m tra b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c. \u0110i\u1ec1u ch\u1ec9nh n\u00fam xoay ho\u1eb7c thanh tr\u01b0\u1ee3t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0.<\/li>\n<\/ol>\n\n\n\n

    B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC v\u00e0 b\u1eaft \u0111\u1ea7u t\u1eadn h\u01b0\u1edfng \u00e1nh s\u00e1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c ngay l\u1eadp t\u1ee9c.<\/p>\n\n\n\n

    C\u00e1c Th\u1ef1c H\u00e0nh T\u1ed1t Nh\u1ea5t Khi S\u1eed D\u1ee5ng B\u1ed9 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng TRIAC<\/h2>\n\n\n\n

    \u0110\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng TRIAC c\u1ee7a b\u1ea1n, h\u00e3y tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t sau:<\/p>\n\n\n\n