{"id":3711,"date":"2022-11-22T15:05:25","date_gmt":"2022-11-22T08:05:25","guid":{"rendered":"https:\/\/bestray.com\/blog\/?p=3711"},"modified":"2024-02-27T15:55:12","modified_gmt":"2024-02-27T08:55:12","slug":"tim-hieu-ve-ro-le-trung-gian","status":"publish","type":"post","link":"https:\/\/bestray.com\/blog\/tim-hieu-ve-ro-le-trung-gian\/","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 r\u01a1 le trung gian"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><strong>R\u01a1 le trung gian<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec7n nh\u1ecf b\u00e9 nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng trong m\u1ea1ch \u0111i\u1ec7n \u0111i\u1ec7n t\u1eed d\u00e2n d\u1ee5ng c\u0169ng nh\u01b0 trong c\u00f4ng nghi\u1ec7p. \u0110\u00e2y c\u0169ng l\u00e0 b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 thi\u1ebfu trong s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u khi\u1ec3n. V\u1eady thi\u1ebft b\u1ecb n\u00e0y c\u00f3 vai tr\u00f2 g\u00ec, c\u1ea5u t\u1ea1o nh\u01b0 v\u00e0 \u1ee9ng d\u1ee5ng ra sao? H\u00e3y c\u00f9ng<strong> Bestray<\/strong> t\u00ecm hi\u1ec3u thi\u1ebft b\u1ecb r\u01a1le trung gian qua b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n nh\u00e9!<\/span><\/p>\n<h2><strong>1. \u0110\u00f4i n\u00e9t v\u1ec1 r\u01a1le trung gian<\/strong><\/h2>\n<h3><strong>1.1. R\u01a1le trung gian l\u00e0 g\u00ec?<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\"><em><strong><a href=\"https:\/\/bestray.com\/blog\/ro-le-la-gi\/\">R\u01a1le<\/a> trung gian<\/strong><\/em> (hay c\u00f2n g\u1ecdi l\u00e0 relay trung gian), \u0111\u00e2y l\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 thay th\u1ebf. Ch\u00fang gi\u1ed1ng nh\u01b0 m\u1ed9t ki\u1ec3u nam ch\u00e2m \u0111i\u1ec7n v\u00e0 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00eam h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111i\u1ec3m. Ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang l\u00e0 chuy\u1ec3n m\u1ea1ch t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c khu\u1ebfch \u0111\u1ea1i \u0111i\u1ec7n t\u1eeb. Trong s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u khi\u1ec3n, c\u00e1c r\u01a1le trung gian lu\u00f4n \u0111\u01b0\u1ee3c l\u1eafp \u1edf v\u1ecb tr\u00ed trung gian. \u0110\u00f3 l\u00e0 n\u1eb1m gi\u1eefa nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n c\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n.<\/span><\/p>\n<figure id=\"attachment_3712\" aria-describedby=\"caption-attachment-3712\" style=\"width: 932px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3712 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian.jpg\" alt=\"Gi\u1ea3i th\u00edch v\u1ec1 r\u01a1 le trung gian \" width=\"932\" height=\"480\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian.jpg 932w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-300x155.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-768x396.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-696x358.jpg 696w\" sizes=\"auto, (max-width: 932px) 100vw, 932px\" \/><figcaption id=\"caption-attachment-3712\" class=\"wp-caption-text\">Role trung gian l\u00e0 g\u00ec<\/figcaption><\/figure>\n<h3><strong>1.2. \u0110\u1eb7c \u0111i\u1ec3m, vai tr\u00f2 c\u1ee7a r\u01a1 le trung gian<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y l\u00e0 trung gian \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp m\u1ea1ch \u0111i\u1ec7n trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, gia d\u1ee5ng hi\u1ec7n \u0111\u1ea1i. \u0110\u1ed1i v\u1edbi c\u00e1c d\u00f2ng \u0111i\u1ec1u khi\u1ec3n kh\u00e1c nhau, vai tr\u00f2 c\u1ee7a r\u01a1le trung gian c\u0169ng s\u1ebd kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng, vai tr\u00f2 ch\u1ee7 y\u1ebfu c\u1ee7a lo\u1ea1i r\u01a1le n\u00e0y bao g\u1ed3m:\u00a0<\/span><\/p>\n<p><b>Thay th\u1ebf c\u00f4ng t\u1eafc t\u01a1 nh\u1ecf<\/b><\/p>\n<p><span style=\"font-weight: 400;\">T\u1eebng ti\u1ebfp \u0111i\u1ec3m c\u1ee7a r\u01a1le trung gian \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i nh\u1ea5t \u0111\u1ecbnh. Khi t\u1ea3i t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, r\u01a1le trung gian c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay th\u1ebf c\u00e1c c\u00f4ng t\u1eafc t\u01a1 nh\u1ecf nh\u01b0 \u0111i\u1ec1u khi\u1ec3n c\u1eeda cu\u1ed1n \u0111i\u1ec7n hay m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb gia d\u1ee5ng nh\u1ecf. \u0110i\u1ec1u n\u00e0y, kh\u00f4ng ch\u1ec9 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch \u0111i\u1ec1u khi\u1ec3n m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m kh\u00f4ng gian, \u0111\u1ed3ng th\u1eddi l\u00e0m cho ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n tr\u1edf n\u00ean t\u01b0\u01a1ng \u0111\u1ed1i tinh t\u1ebf.<\/span><\/p>\n<p><b>T\u0103ng s\u1ed1 l\u01b0\u1ee3ng ti\u1ebfp \u0111i\u1ec3m<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n m\u1ea1ch \u0111i\u1ec7n, vi\u1ec7c th\u00eam m\u1ed9t r\u01a1le trung gian, t\u0103ng s\u1ed1 l\u01b0\u1ee3ng ti\u1ebfp \u0111i\u1ec3m v\u00e0o m\u1ea1ch kh\u00f4ng nh\u1eefng kh\u00f4ng l\u00e0m thay \u0111\u1ed5i h\u00ecnh th\u1ee9c \u0111i\u1ec1u khi\u1ec3n m\u00e0 c\u00f2n t\u1ea1o \u0111i\u1ec1u ki\u1ec7n b\u1ea3o tr\u00ec.<\/span><\/p>\n<p><b>T\u0103ng kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac<\/b><\/p>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 c\u00f4ng su\u1ea5t ti\u1ebfp \u0111i\u1ec3m c\u1ee7a r\u01a1le trung gian kh\u00f4ng l\u1edbn, nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i nh\u1ea5t \u0111\u1ecbnh. \u0110\u1ec3 m\u1edf r\u1ed9ng c\u00f4ng su\u1ea5t ti\u1ebfp \u0111i\u1ec3m c\u00f3 th\u1ec3 d\u00f9ng r\u01a1le trung gian v\u1edbi 1 d\u00f2ng nh\u1ecf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. Do v\u1eady, r\u01a1le trung gian th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng trong m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c ph\u1ee5 t\u1ea3i kh\u00e1c nh\u1eb1m m\u1ee5c \u0111\u00edch m\u1edf r\u1ed9ng c\u00f4ng su\u1ea5t \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n<p><b>Ti\u1ebfp \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed5i<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u s\u1eed d\u1ee5ng c\u00e1c ti\u1ebfp \u0111i\u1ec3m th\u01b0\u1eddng \u0111\u00f3ng c\u1ee7a c\u00f4ng t\u1eafc t\u01a1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch \u0111i\u1ec1u khi\u1ec3n c\u1ea7n thi\u1ebft. Nh\u01b0ng b\u1ea3n th\u00e2n c\u00e1c ti\u1ebfp \u0111i\u1ec3m th\u01b0\u1eddng \u0111\u00f3ng c\u1ee7a ch\u00ednh c\u00f4ng t\u1eafc t\u01a1 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u1ebft n\u00ean kh\u00f4ng th\u1ec3 ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, m\u1ed9t r\u01a1le trung gian v\u00e0 cu\u1ed9n d\u00e2y c\u1ee7a c\u00f4ng t\u1eafc t\u01a1 ban \u0111\u1ea7u c\u00f3 th\u1ec3 n\u1ed1i song song v\u1edbi nhau. Ngo\u00e0i ra, ti\u1ebfp \u0111i\u1ec3m th\u01b0\u1eddng \u0111\u00f3ng c\u1ee7a r\u01a1le trung gian c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c linh ki\u1ec7n t\u01b0\u01a1ng \u1ee9ng, v\u00e0 lo\u1ea1i ti\u1ebfp \u0111i\u1ec3m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch \u0111i\u1ec1u khi\u1ec3n m\u1ed9t c\u00e1ch tr\u01a1n tru.<\/span><\/p>\n<figure id=\"attachment_3713\" aria-describedby=\"caption-attachment-3713\" style=\"width: 964px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3713 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/dac-diem-cua-ro-le-trung-gian.jpg\" alt=\"C\u00f4ng d\u1ee5ng c\u1ee7a r\u01a1le trung gian\" width=\"964\" height=\"561\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/dac-diem-cua-ro-le-trung-gian.jpg 964w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/dac-diem-cua-ro-le-trung-gian-300x175.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/dac-diem-cua-ro-le-trung-gian-768x447.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/dac-diem-cua-ro-le-trung-gian-696x405.jpg 696w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><figcaption id=\"caption-attachment-3713\" class=\"wp-caption-text\">C\u00f4ng d\u1ee5ng c\u1ee7a r\u01a1le trung gian<\/figcaption><\/figure>\n<p><b>S\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Trong m\u1ed9t s\u1ed1 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n, vi\u1ec7c \u0111\u00f3ng m\u1edf m\u1ed9t s\u1ed1 linh ki\u1ec7n \u0111i\u1ec7n c\u01a1 b\u1ea3n th\u01b0\u1eddng s\u1eed d\u1ee5ng r\u01a1le trung gian th\u00f4ng qua c\u00e1ch \u0111i\u1ec1u khi\u1ec3n c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u1ee7a ch\u00fang. V\u00ed d\u1ee5 nh\u01b0 d\u00f9ng trong m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n van c\u00f4ng nghi\u1ec7p, Triode b\u00ean trong \u0111i\u1ec1u khi\u1ec3n b\u1eadt t\u1eaft r\u01a1le trung gian, \u0111\u1ed3ng th\u1eddi \u0111\u00f3ng vai tr\u00f2 \u0111i\u1ec1u khi\u1ec3n b\u1eadt \/ t\u1eaft cu\u1ed9n kh\u1eed kh\u00ed trong m\u1ea1ch kh\u1eed d\u1ea7u m\u1ee1 c\u1ee7a m\u00e0n h\u00ecnh TV m\u00e0u.<\/span><\/p>\n<p><b>Chuy\u1ec3n \u0111\u1ed5i c\u00e1ch ly \u0111i\u1ec7n \u00e1p v\u00e0 lo\u1ea1i b\u1ecf nhi\u1ec5u trong m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Trong c\u00e1c d\u00e2y chuy\u1ec1n \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p hay \u0111i\u1ec1u khi\u1ec3n m\u00e1y t\u00ednh, m\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 nhi\u1ec1u bi\u1ec7n ph\u00e1p ch\u1ed1ng nhi\u1ec5u nh\u01b0ng \u00edt nhi\u1ec1u v\u1eabn t\u1ed3n t\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y. Vi\u1ec7c s\u1eed d\u1ee5ng th\u00eam m\u1ed9t r\u01a1le trung gian b\u00ean trong c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch lo\u1ea1i b\u1ecf nhi\u1ec5u r\u1ea5t hi\u1ec7u qu\u1ea3. V\u00ed d\u1ee5: trong c\u00e1c m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n m\u00e1y b\u01a1m cho h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i hay h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc nh\u00e0 m\u00e1y,\u2026<\/span><\/p>\n<h3><strong>1.3. \u1ee8ng d\u1ee5ng c\u1ee7a r\u01a1le trung gian<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">R\u01a1le trung gian \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p v\u1edbi vai tr\u00f2 chuy\u1ec3n ti\u1ebfp m\u1ea1ch \u0111i\u1ec7n trung gian \u0111\u1ebfn v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c. R\u01a1le c\u00f2n gi\u00fap b\u1ea3o v\u1ec7, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb. Ngo\u00e0i ra, r\u01a1le c\u00f2n \u0111\u1ea3m nhi\u1ec7m ch\u1ee9c n\u0103ng chia t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ebfn nhi\u1ec1u b\u1ed9 ph\u1eadn kh\u00e1c trong h\u1ec7 th\u1ed1ng s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ee7 l\u1ea1nh khi b\u1ecb y\u1ebfu \u0111i\u1ec7n, l\u00fac n\u00e0y r\u01a1le trung gian s\u1ebd t\u1ef1 \u0111\u1ed9ng ng\u1eaft \u0111i\u1ec7n v\u00e0 kh\u00f4ng cho t\u1ee7 l\u00e0m vi\u1ec7c n\u1eefa. C\u00f2n khi \u0111i\u1ec7n \u00e1p \u1ed5n \u0111\u1ecbnh, n\u00f3 s\u1ebd l\u1ea1i c\u1ea5p \u0111i\u1ec7n cho t\u1ee7 l\u1ea1nh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Hay nh\u01b0 trong b\u1ed9 n\u1ea1p c\u1ee7a \u1eafc quy xe g\u1eafn m\u00e1y, xe \u00f4 t\u00f4. N\u1ebfu nh\u01b0 m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ee7 kh\u1ecfe th\u00ec r\u01a1le trung gian s\u1ebd \u0111\u00f3ng m\u1ea1ch n\u1ea1p cho \u1eafc quy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u01b0\u1eddng th\u00ec r\u01a1le trung gian \u0111\u01b0\u1ee3c d\u00f9ng cho vi\u1ec7c truy\u1ec1n t\u00edn hi\u1ec7u. Hay s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p d\u00f2ng \u0111i\u1ec7n t\u1eeb c\u00f3 gi\u00e1 tr\u1ecb v\u00e0i Ampe tr\u1edf xu\u1ed1ng. C\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c d\u00f2ng l\u1edbn h\u01a1n (v\u00e0i ch\u1ee5c Ampe tr\u1edf l\u00ean) c\u00f3 t\u00edch h\u1ee3p th\u00eam bu\u1ed3ng d\u1eadp h\u1ed3 quang, b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng contactor.<\/span><\/p>\n<h2><strong>2. C\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a r\u01a1le \u0111i\u1ec7n t\u1eeb<\/strong><\/h2>\n<h3><strong>2.1. C\u1ea5u t\u1ea1o<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">C\u1ea5u t\u1ea1o c\u1ee7a r\u01a1le trung gian g\u1ed3m hai ph\u1ea7n ch\u00ednh l\u00e0: cu\u1ed9n h\u00fat v\u00e0 m\u1ea1ch ti\u1ebfp \u0111i\u1ec3m.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cu\u1ed9n h\u00fat (nam ch\u00e2m \u0111i\u1ec7n): \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf g\u1ed3m l\u00f5i th\u00e9p \u0111\u1ed9ng, l\u00f5i th\u00e9p t\u0129nh v\u00e0 cu\u1ed9n d\u00e2y. Cu\u1ed9n d\u00e2y b\u00ean trong \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 cu\u1ed9n c\u01b0\u1eddng \u0111\u1ed9, \u0111i\u1ec7n \u00e1p ho\u1eb7c c\u00f3 th\u1ec3 cu\u1ed9n c\u1ea3m \u0111i\u1ec7n \u00e1p k\u1ebft h\u1ee3p c\u01b0\u1eddng \u0111\u1ed9. C\u00f2n l\u00f5i th\u00e9p \u0111\u1ed9ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb b\u1eb1ng v\u00edt \u0111i\u1ec1u ch\u1ec9nh g\u0103ng v\u00e0 \u0111\u01b0\u1ee3c b\u1ecdc b\u1edfi l\u00f2 xo.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch ti\u1ebfp \u0111i\u1ec3m (M\u1ea1ch l\u1ef1c): bao g\u1ed3m ti\u1ebfp \u0111i\u1ec3m ngh\u1ecbch v\u00e0 ti\u1ebfp \u0111i\u1ec3m thu\u1eadn. Ti\u1ebfp \u0111i\u1ec3m ngh\u1ecbch c\u00f3 ch\u1ee9c n\u0103ng \u0111\u00f3ng c\u1eaft t\u00edn hi\u1ec7u thi\u1ebft b\u1ecb t\u1ea3i v\u1edbi d\u00f2ng nh\u1ecf \u0111\u01b0\u1ee3c c\u00e1ch ly v\u1edbi cu\u1ed9n h\u00fat.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_3714\" aria-describedby=\"caption-attachment-3714\" style=\"width: 648px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3714\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/cau-tao-cua-ro-le-trung-gian.jpeg\" alt=\"C\u1ea5u t\u1ea1o c\u1ee7a r\u01a1le trung gian\" width=\"648\" height=\"655\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/cau-tao-cua-ro-le-trung-gian.jpeg 648w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/cau-tao-cua-ro-le-trung-gian-297x300.jpeg 297w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><figcaption id=\"caption-attachment-3714\" class=\"wp-caption-text\">C\u1ea5u t\u1ea1o c\u1ee7a r\u01a1le trung gian<\/figcaption><\/figure>\n<h3><strong>2.2. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua relay trung gian s\u1ebd \u0111i qua cu\u1ed9n h\u00fat b\u00ean trong v\u00e0 t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng h\u00fat nh\u01b0 nam ch\u00e2m \u0111i\u1ec7n. T\u1eeb tr\u01b0\u1eddng n\u00e0y t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ed9t \u0111\u00f2n b\u1ea9y b\u00ean trong l\u00e0m cho thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i \u0111\u00f3ng, m\u1edf t\u1ea1i c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n. T\u00f9y v\u00e0o thi\u1ebft k\u1ebf c\u1ee7a m\u1ed7i r\u01a1le th\u00ec s\u1ed1 ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n s\u1ebd b\u1ecb thay \u0111\u1ed5i theo, c\u00f3 th\u1ec3 l\u00e0 1 chi\u1ec1u ho\u1eb7c nhi\u1ec1u chi\u1ec1u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">R\u01a1le trung gian c\u00f3 2 m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp. M\u1ed9t m\u1ea1ch s\u1ebd \u0111i\u1ec1u khi\u1ec3n cu\u1ed9n d\u00e2y relay \u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 ch\u1ea1y qua cu\u1ed9n d\u00e2y ho\u1eb7c kh\u00f4ng ch\u1ea1y qua. M\u1ea1ch c\u00f2n l\u1ea1i s\u1ebd \u0111i\u1ec1u khi\u1ec3n d\u00f2ng \u0111i\u1ec7n b\u1ea1n c\u1ea7n ki\u1ec3m so\u00e1t, d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111i qua relay<\/span><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c hay kh\u00f4ng d\u1ef1a v\u00e0o tr\u1ea1ng th\u00e1i ON hay OFF c\u1ee7a r\u01a1le.<\/span><\/p>\n<h2><strong>3. R\u01a1le trung gian hi\u1ec7n nay c\u00f3 m\u1ea5y lo\u1ea1i?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7n nay, tr\u00ean th\u1ecb tr\u01b0\u1eddng cung c\u1ea5p r\u1ea5t nhi\u1ec1u lo\u1ea1i trung gian c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 th\u00e0nh kh\u00e1c nhau. Sau \u0111\u00e2y, Bestray s\u1ebd ph\u00e2n lo\u1ea1i r\u01a1le trung gian theo 3 ti\u00eau ch\u00ed sau \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ch\u1ecdn \u0111\u01b0\u1ee3c \u0111\u00fang lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:\u00a0<\/span><\/p>\n<h3><strong>3.1. Theo s\u1ed1 ch\u00e2n<\/strong><\/h3>\n<p><b>R\u01a1le trung gian 11 ch\u00e2n<\/b><\/p>\n<p><span style=\"font-weight: 400;\">R\u01a1le trung gian n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 11 ch\u00e2n v\u00e0 c\u00f3 nhi\u1ec7m v\u1ee5 ch\u1ecbu t\u1ea3i trung gian cho c\u00e1c c\u1ea3m bi\u1ebfn. H\u01a1n th\u1ebf n\u1eefa lo\u1ea1i s\u1ea3n ph\u1ea9m n\u00e0y c\u00f2n l\u00e0m c\u00e1c m\u1ea1ch t\u1ef1 \u0111\u1ed9ng gi\u1eef, m\u1edf, b\u1eadt c\u00f9ng v\u1edbi thi\u1ebft k\u1ebf c\u00f3 nhi\u1ec1u ti\u1ebfp \u0111i\u1ec3m xung quanh. Lo\u1ea1i r\u01a1le 11 ch\u00e2n n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng hi\u1ec7n nay do ch\u00fang d\u1ec5 d\u00e0ng th\u00e1o l\u1eafp, c\u0169ng nh\u01b0 c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/span><\/p>\n<p><b>R\u01a1le trung gian 14 ch\u00e2n<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Tr\u00ean th\u1ef1c t\u1ebf, lo\u1ea1i r\u01a1le trung gian 14 ch\u00e2n c\u00f3 t\u1ed5ng 4 c\u1eb7p ti\u1ebfp \u0111i\u1ec3m. Trong \u0111\u00f3 13 v\u00e0 14 lu\u00f4n \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 ch\u00e2n cu\u1ed9n d\u00e2y c\u1ea5p ngu\u1ed3n. Lo\u1ea1i r\u01a1le n\u00e0y c\u00f3 c\u00f4ng d\u1ee5ng tuy\u1ec7t v\u1eddi, \u0111\u1ed9 an to\u00e0n cao cho h\u1ec7 th\u1ed1ng m\u1ea1ch \u0111i\u1ec7n d\u00e2n d\u1ee5ng v\u00e0 c\u1ea3 m\u1ea1ch \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i nh\u1eefng lo\u1ea1i r\u01a1le trung gian k\u1ec3 tr\u00ean c\u00f2n c\u00f3 r\u01a1le 5 ch\u00e2n, r\u01a1le 8 ch\u00e2n c\u0169ng c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng v\u00e0 ch\u1ee9c n\u0103ng c\u1ef1c k\u1ef3 h\u1eefu hi\u1ec7u.<\/span><\/p>\n<figure id=\"attachment_3715\" aria-describedby=\"caption-attachment-3715\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3715 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-14-chan.jpeg\" alt=\"R\u01a1le trung gian 14 ch\u00e2n c\u00f3 t\u1ed5ng 4 c\u1eb7p ti\u1ebfp \u0111i\u1ec3m\" width=\"400\" height=\"400\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-14-chan.jpeg 400w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-14-chan-300x300.jpeg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-14-chan-150x150.jpeg 150w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-3715\" class=\"wp-caption-text\">R\u01a1le trung gian 14 ch\u00e2n<\/figcaption><\/figure>\n<h3><strong>3.2. Theo \u0111i\u1ec7n th\u1ebf<\/strong><\/h3>\n<p><b>R\u01a1le trung gian 12V<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 r\u01a1le \u0111i\u1ec1u khi\u1ec3n ph\u1ee5 c\u00f3 vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n. C\u00f3 ngu\u1ed3n \u0111i\u1ec1u khi\u1ec3n 12V l\u00e0 ngu\u1ed3n c\u1ea5p cho cu\u1ed9n d\u00e2y h\u00fat c\u1ee7a r\u01a1le v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u00ean t\u1edbi 40 ampe. Lo\u1ea1i r\u01a1le n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u00f3ng ng\u1eaft cho qua \u0111i\u1ec7n t\u1eeb 1V \u0111\u1ebfn 220V n\u00ean r\u1ea5t th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb d\u00e2n d\u1ee5ng. \u0110i\u1ec1u n\u00e0y s\u1ebd h\u1ea1n ch\u1ebf t\u1ed1i \u0111a nguy c\u01a1 h\u1ecfng h\u00f3c hay ch\u00e1y n\u1ed5 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n trong nh\u00e0 b\u1ea1n.<\/span><\/p>\n<figure id=\"attachment_3716\" aria-describedby=\"caption-attachment-3716\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3716 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-12v.jpeg\" alt=\"\u0110\u00e2y l\u00e0 r\u01a1le \u0111i\u1ec1u khi\u1ec3n ph\u1ee5 c\u00f3 vai tr\u00f2 nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n\" width=\"500\" height=\"500\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-12v.jpeg 500w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-12v-300x300.jpeg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/ro-le-trung-gian-12v-150x150.jpeg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-3716\" class=\"wp-caption-text\">R\u01a1le trung gian 12V<\/figcaption><\/figure>\n<p><b>R\u01a1le trung gian 220V<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i r\u01a1le n\u00e0y g\u1ed3m c\u00f3 hai m\u1ea1ch \u0111\u1ed9c l\u1eadp n\u00ean d\u1ec5 d\u00e0ng trong vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng. K\u1ebft c\u1ea5u c\u1ee7a r\u01a1le n\u00e0y kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p n\u00ean b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 ki\u1ec3m tra trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Lo\u1ea1i r\u01a1le n\u00e0y s\u1edf h\u1eefu nhi\u1ec1u l\u01b0\u1ee3ng ti\u1ebfp \u0111i\u1ec3m n\u00ean c\u00f3 th\u1ec3 v\u1eeba m\u1edf v\u1eeba \u0111\u00f3ng. Ch\u00ednh v\u00ec v\u1eady, ch\u00fang \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u khi c\u00e1c r\u01a1le ch\u00ednh kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ng\u1eaft. R\u01a1le trung gian 220V c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 an to\u00e0n cao n\u00ean s\u1ebd ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3 cho gia \u0111\u00ecnh b\u1ea1n.<\/span><\/p>\n<p><b>R\u01a1le trung gian 380V<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u1edbi r\u01a1le trung gian 380V c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u00ean t\u1edbi 100ampe. V\u1edbi th\u1eddi gian t\u00e1c \u0111\u1ed9ng si\u00eau nhanh ch\u1ec9 0.1s r\u1ea5t th\u00edch h\u1ee3p s\u1eed d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i r\u01a1le n\u00e0y c\u00f3 k\u00edch th\u01b0\u1edbc ti\u1ebfp \u0111i\u1ec3m to, si\u00eau b\u1ec1n b\u1ec1n v\u00e0 ch\u1eafc ch\u1eafn. S\u1eed d\u1ee5ng lo\u1ea1i r\u01a1le n\u00e0y s\u1ebd gi\u00fap hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u, nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng nh\u01b0 m\u1ea5t pha, ch\u1eadp ch\u00e1y s\u1ebd kh\u00f4ng c\u00f2n n\u1eefa. Thay v\u00e0o \u0111\u00f3, r\u01a1le trung gian 380V d\u00f9 c\u00f3 ch\u1ea1y v\u1edbi d\u00f2ng \u0111i\u1ec7n c\u00f4ng su\u1ea5t c\u1ef1c l\u1edbn \u1edf c\u00e1c lo\u1ea1i m\u00e1y c\u00f4ng nghi\u1ec7p, c\u0169ng s\u1ebd gi\u1eef \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh cho nh\u00e0 m\u00e1y.<\/span><\/p>\n<h3><strong>3.3. Theo th\u01b0\u01a1ng hi\u1ec7u\u00a0<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu ph\u00e2n lo\u1ea1i r\u01a1le trung gian theo th\u01b0\u01a1ng hi\u1ec7u, s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u h\u00e3ng s\u1ea3n xu\u1ea5t hi\u1ec7n nay. Sau \u0111\u00e2y, Bestray n\u00eau m\u1ed9t s\u1ed1 lo\u1ea1i relay trung gian c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, \u0111\u1ea1t ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c h\u00e3ng uy t\u00edn sau:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relay trung gian Omron.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relay trung gian Schneider.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relay trung gian Idec.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relay trung gian Fuji.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relay trung gian Hanyong.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relay trung gian Yongsung.<\/span><\/li>\n<\/ul>\n<h2><strong>4. Nh\u1eefng l\u01b0u \u00fd v\u1ec1 r\u01a1le trung gian<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Trong c\u00f4ng nghi\u1ec7p, ch\u00fang ta s\u1ebd ti\u1ebfp x\u00fac v\u1edbi relay nhi\u1ec7t, relay b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng ho\u1eb7c qu\u00e1 \u00e1p. Ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 s\u1ebd l\u00e0 ng\u1eaft ngu\u1ed3n khi d\u00f2ng hay \u00e1p v\u01b0\u1ee3t ng\u01b0\u1ee1ng \u0111\u00e3 c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc \u0111\u00f3. V\u00ec \u0111\u00f4i khi s\u1ef1 c\u1ed1 x\u1ea3y ra l\u00e0m qu\u00e1 t\u1ea3i h\u1ec7 th\u1ed1ng, n\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 v\u00f4 c\u00f9ng nghi\u00eam tr\u1ecdng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u01b0\u1eddng th\u00ec c\u00e1c <strong><a href=\"https:\/\/bestray.com\/blog\/thiet-bi-dien-cong-nghiep-la-gi\/\">thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/a><\/strong>, trong \u0111\u00f3 c\u00f3 r\u01a1le sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng s\u1ebd g\u1eb7p v\u1ea5n \u0111\u1ec1. \u0110\u1ec3 ki\u1ec3m r\u01a1le trung gian b\u1ea1n c\u1ea7n nh\u1edd m\u1ed9t ng\u01b0\u1eddi kh\u00e1c \u0111\u1ec3 gi\u00fap \u0111\u1ee1 b\u1eadt c\u00f4ng t\u1eafc \u0111\u1ebfn v\u1ecb tr\u00ed \u201cON\u201d. Khi \u0111\u00f3, tay b\u1ea1n \u0111\u1eb7t tr\u00ean r\u01a1le tay s\u1ebd c\u1ea3m th\u1ea5y c\u00f3 ti\u1ebfng c\u1ea1ch c\u1ea1ch.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1eb7t kh\u00e1c khi ch\u00eca kh\u00f3a b\u1eadt sang v\u1ecb tr\u00ed \u201cStar\u201d ng\u00f3n tay c\u0169ng s\u1ebd c\u1ea3m th\u1ea5y c\u00f3 ti\u1ebfng c\u1ea1ch c\u1ea1ch (r\u01a1le kh\u1edfi \u0111\u1ed9ng). N\u1ebfu kh\u00f4ng, b\u1ea1n n\u00ean g\u1ee1 r\u01a1le ra v\u00e0 ki\u1ec3m tra l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i. N\u1ebfu nh\u01b0 r\u01a1le b\u1ecb \u0103n m\u00f2n ho\u1eb7c qu\u00e1 n\u00f3ng th\u00ec l\u1eafp l\u1ea1i v\u1edbi m\u1ed9t c\u00e1i r\u01a1le m\u1edbi.<\/span><\/p>\n<h2><strong>5. T\u1ed5ng k\u1ebft<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Qua b\u00e0i chia s\u1ebb tr\u00ean, <\/span><b>Bestray<\/b><span style=\"font-weight: 400;\"> \u0111\u00e3 cung c\u1ea5p m\u1ed9t v\u00e0i th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 r\u01a1le trung gian gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn lo\u1ea1i r\u01a1le ph\u00f9 h\u1ee3p cho <a href=\"https:\/\/bestray.com\/blog\/thong-tin-chi-tiet-ve-he-thong-dien-cong-nghiep\/\"><strong>h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/strong><\/a> gia \u0111\u00ecnh, c\u00f4ng nghi\u1ec7p. <\/span><span style=\"font-weight: 400;\">Tuy nhi\u00ean, \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i trong s\u1eed d\u1ee5ng, b\u1ea1n c\u1ea7n l\u1eafp \u0111\u1eb7t th\u00eam<\/span><span style=\"font-weight: 400;\"> m\u00e1ng c\u00e1p, thang c\u00e1p<\/span><span style=\"font-weight: 400;\"> cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. Thi\u1ebft b\u1ecb n\u00e0y nh\u1eb1m gi\u00fap b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng d\u00e2y kh\u00f4ng b\u1ecb tr\u1ea7y x\u01b0\u1edbc v\u1ecf v\u00e0 h\u1ea1n ch\u1ebf s\u1ef1 c\u1ed1 \u0111i\u1ec7n g\u00e2y ra.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bestray l\u00e0 \u0111\u01a1n v\u1ecb nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c h\u1ec7 th\u1ed1ng thang, m\u00e1ng c\u00e1p \u0111\u01b0\u1ee3c nhi\u1ec1u kh\u00e1ch h\u00e0ng tin d\u00f9ng trong nhi\u1ec1u n\u0103m qua. S\u1ea3n ph\u1ea9m c\u1ee7a Bestray lu\u00f4n cam k\u1ebft \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m c\u0169ng nh\u01b0 s\u1ea3n xu\u1ea5t v\u1edbi quy tr\u00ecnh nghi\u00eam ng\u1eb7t, \u0111\u1ea3m b\u1ea3o theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. Qu\u00fd kh\u00e1ch c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m kh\u00e1c c\u1ee7a Bestray: <\/span><strong><a href=\"https:\/\/bestray.com\/cable-management\/thang-cap\/\"><span class=\"s1\">thang c\u00e1p<\/span><\/a><span class=\"s2\">, <span class=\"s1\"><a href=\"https:\/\/bestray.com\/cable-management\/mang-cap\/\">m\u00e1ng c\u00e1p<\/a>,<\/span> <a href=\"https:\/\/bestray.com\/cable-management\/mang-luoi\/\" target=\"_blank\" rel=\"noopener\"><span class=\"s1\">m\u00e1ng l\u01b0\u1edbi<\/span><\/a>, <a href=\"https:\/\/bestray.com\/cable-management\/khay-cap\/\" target=\"_blank\" rel=\"noopener\"><span class=\"s1\">khay c\u00e1p<\/span><\/a>, <a href=\"https:\/\/bestray.com\/blog\/lua-chon-phu-kien-mang-cap\/\" target=\"_blank\" rel=\"noopener\"><span class=\"s1\">ph\u1ee5 ki\u1ec7n m\u00e1ng c\u00e1p<\/span><\/a>,&#8230;<\/span><\/strong><\/p>\n<figure id=\"attachment_3717\" aria-describedby=\"caption-attachment-3717\" style=\"width: 1778px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3717\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap.jpeg\" alt=\"Thang c\u00e1p c\u1ee7a Bestray\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap.jpeg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap-300x169.jpeg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap-1024x576.jpeg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap-768x432.jpeg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap-1536x864.jpeg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap-696x391.jpeg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/11\/thang-cap-1068x601.jpeg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><figcaption id=\"caption-attachment-3717\" class=\"wp-caption-text\">Thang m\u00e1ng c\u00e1p Bestray \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng ch\u1ec9 v\u1eady Bestray c\u00f2n s\u1edf h\u1eefu \u0111\u1ed9i ng\u0169 nh\u00e2n vi\u00ean c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m, s\u00e1ng t\u1ea1o v\u00e0 \u0111\u1ed9i ng\u0169 chuy\u00ean vi\u00ean t\u01b0 v\u1ea5n lu\u00f4n nhi\u1ec7t t\u00ecnh, vui v\u1ebb \u0111\u01b0\u1ee3c nhi\u1ec1u kh\u00e1ch h\u00e0ng y\u00eau th\u00edch. N\u1ebfu b\u1ea1n \u0111ang c\u00f3 nh\u1eefng th\u1eafc m\u1eafc v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Bestray th\u00ec b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm tr\u00ean website c\u1ee7a ch\u00fang t\u00f4i. Ngo\u00e0i ra b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i c\u00f3 s\u1ed1 hotline: <\/span><span style=\"font-weight: 400;\"><strong>0909 089 678<\/strong> \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 v\u00e0 t\u01b0 v\u1ea5n nhanh ch\u00f3ng nh\u1ea5t nh\u00e9!<\/span><\/p>\n<p><strong>Ngo\u00e0i ra b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam:\u00a0<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/bestray.com\/blog\/cau-tao-cua-ro-le-dien-tu\/\">Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a r\u01a1 le \u0111i\u1ec7n t\u1eeb<\/a><\/strong> b\u1ea1n c\u1ea7n bi\u1ebft<\/li>\n<li><strong><a href=\"https:\/\/bestray.com\/blog\/vai-tro-cua-role-nhiet\/\">Vai tr\u00f2 c\u1ee7a r\u01a1 le nhi\u1ec7t<\/a><\/strong> trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n d\u00e2n d\u1ee5ng<\/li>\n<\/ul>\n<figure id=\"attachment_2933\" aria-describedby=\"caption-attachment-2933\" style=\"width: 1778px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2933\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14.jpg\" alt=\"M\u00e1ng l\u01b0\u1edbi\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-3-A39-14-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><figcaption id=\"caption-attachment-2933\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">M\u00e1ng l\u01b0\u1edbi<\/span><\/figcaption><\/figure>\n<figure id=\"attachment_2932\" aria-describedby=\"caption-attachment-2932\" style=\"width: 1778px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2932\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38.jpg\" alt=\"M\u00e1ng c\u00e1p \u0111\u1ed9t l\u1ed7 nh\u00f4m\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-2-A48-38-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><figcaption id=\"caption-attachment-2932\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">M\u00e1ng c\u00e1p \u0111\u1ed9t l\u1ed7 nh\u00f4m<\/span><\/figcaption><\/figure>\n<figure id=\"attachment_2858\" aria-describedby=\"caption-attachment-2858\" style=\"width: 1778px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2858\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28.jpg\" alt=\"Ki\u1ec3m tra chi\u1ec1u d\u00e0i m\u00e1ng c\u00e1p \u0111i\u1ec7n L= 3000 mm\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-9-A9-28-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><figcaption id=\"caption-attachment-2858\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">Ki\u1ec3m tra chi\u1ec1u d\u00e0i m\u00e1ng c\u00e1p \u0111i\u1ec7n L= 3000 mm<\/span><\/figcaption><\/figure>\n<figure id=\"attachment_2864\" aria-describedby=\"caption-attachment-2864\" style=\"width: 1778px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2864\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD.jpg\" alt=\"Thang c\u00e1p s\u01a1n t\u0129nh \u0111i\u1ec7n\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/02\/Hinh-1-Thang-cap-CLE-STD-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><figcaption id=\"caption-attachment-2864\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">Thang c\u00e1p s\u01a1n t\u0129nh \u0111i\u1ec7n<\/span><\/figcaption><\/figure>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n<h2><strong>C\u00f4ng Ty C\u1ed5 Ph\u1ea7n Bestray &#8211; Chuy\u00ean S\u1ea3n Xu\u1ea5t Thang M\u00e1ng C\u00e1p (Cable Tray, <\/strong><strong>Cable <\/strong><strong>Trunking)<\/strong><\/h2>\n<ul>\n<li><span style=\"font-size: 20px;\">\u0110\u1ecba ch\u1ec9: 180\/7b, \u1ea5p T\u00e2n Th\u1edbi 3, x\u00e3 T\u00e2n Hi\u1ec7p, huy\u1ec7n H\u00f3c M\u00f4n, TPHCM<\/span><\/li>\n<li><span style=\"font-size: 20px;\">\u0110i\u1ec7n Tho\u1ea1i: (028) 3713 3076 &#8211; 078 453 1668 &#8211; 0909 089 678<\/span><\/li>\n<li><span style=\"font-size: 20px;\">E-mail: sales@bestray<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5197\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2024\/02\/Thang-Mang-Cap-Bestray-Chat-Luong-Cao-\u2013-Giai-Phap-Bao-Ve-An-Toan-Cho-He-Thong-Dien-1.gif\" alt=\"thang m\u00e1ng c\u00e1p\" width=\"1080\" height=\"1080\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u01a1 le trung gian l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec7n nh\u1ecf b\u00e9 nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng trong m\u1ea1ch \u0111i\u1ec7n \u0111i\u1ec7n t\u1eed d\u00e2n d\u1ee5ng c\u0169ng nh\u01b0 trong c\u00f4ng nghi\u1ec7p. \u0110\u00e2y c\u0169ng l\u00e0 b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 thi\u1ebfu trong s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u khi\u1ec3n. V\u1eady thi\u1ebft b\u1ecb n\u00e0y c\u00f3 vai tr\u00f2 g\u00ec, c\u1ea5u t\u1ea1o nh\u01b0 v\u00e0 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3737,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":{"0":"post-3711","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-dien-cong-nghiep"},"lang":"vi","translations":{"vi":3711},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/3711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/comments?post=3711"}],"version-history":[{"count":6,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/3711\/revisions"}],"predecessor-version":[{"id":5288,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/3711\/revisions\/5288"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media\/3737"}],"wp:attachment":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media?parent=3711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/categories?post=3711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/tags?post=3711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}