{"id":3774,"date":"2023-01-06T15:45:19","date_gmt":"2023-01-06T08:45:19","guid":{"rendered":"https:\/\/bestray.com\/blog\/?p=3774"},"modified":"2024-02-27T15:53:53","modified_gmt":"2024-02-27T08:53:53","slug":"tim-hieu-nguyen-ly-cam-bien-dong-dien","status":"publish","type":"post","link":"https:\/\/bestray.com\/blog\/tim-hieu-nguyen-ly-cam-bien-dong-dien\/","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n"},"content":{"rendered":"<p><b><i>C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n<\/i><\/b><span style=\"font-weight: 400;\"> l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n \u00e1p v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p. V\u00ec v\u1eady, n\u00f3 c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c <strong><a href=\"https:\/\/bestray.com\/blog\/thiet-bi-dien-cong-nghiep-la-gi\/\">thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/a><\/strong> n\u00f3i chung v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1ec1 \u0111i\u1ec7n n\u00f3i ri\u00eang. V\u1eady c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n l\u00e0 g\u00ec? Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng ra sao? H\u00e3y c\u00f9ng <a href=\"https:\/\/bestray.com\/\"><strong>Bestray<\/strong><\/a> tham kh\u1ea3o b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">1. C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n l\u00e0 g\u00ec?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y bi\u1ebfn d\u00f2ng ho\u1eb7c CT (Current Transformer). \u0110\u00e2y l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111o d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua d\u00e2y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u1eeb tr\u01b0\u1eddng \u0111\u1ec3 ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n v\u00e0 t\u1ea1o ra t\u00edn hi\u1ec7u t\u1ef7 l\u1ec7 v\u1edbi d\u00f2ng \u0111i\u1ec7n \u0111\u00f3. T\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n ho\u1eb7c l\u00e0 \u0111\u1ea7u ra k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u00f2ng \u0111i\u1ec7n \u0111o \u0111\u01b0\u1ee3c trong ampe k\u1ebf ho\u1eb7c \u0111\u1ec3 l\u01b0u tr\u1eef, ph\u00e2n t\u00edch <strong><a href=\"https:\/\/bestray.com\/blog\/thong-tin-chi-tiet-ve-he-thong-dien-cong-nghiep\/\">h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/a><\/strong> trong thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 trong m\u1ee5c \u0111\u00edch \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3778\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cam-bien-dong-dien-la-gi.jpg\" alt=\"c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n l\u00e0 g\u00ec\" width=\"894\" height=\"496\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cam-bien-dong-dien-la-gi.jpg 894w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cam-bien-dong-dien-la-gi-300x166.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cam-bien-dong-dien-la-gi-768x426.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cam-bien-dong-dien-la-gi-696x386.jpg 696w\" sizes=\"auto, (max-width: 894px) 100vw, 894px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n r\u1ea5t linh ho\u1ea1t v\u00e0 c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac v\u1edbi m\u1ea1ch \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n l\u00e0 ch\u00fang ta kh\u00f4ng c\u1ea7n ph\u1ea3i m\u1edf m\u1ea1ch \u0111i\u1ec7n m\u1eafc n\u1ed1i ti\u1ebfp v\u1edbi t\u1ea3i m\u00e0 ch\u1ec9 c\u1ea7n cho m\u1ed9t d\u00e2y thi\u1ebft b\u1ecb c\u1ea7n gi\u00e1m s\u00e1t qua b\u00ean c\u1ea3m bi\u1ebfn l\u00e0 \u0111\u00e3 \u0111o \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">2. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ed9t d\u00e2y d\u1eabn s\u1ebd t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng t\u1ec9 l\u1ec7 xung quanh d\u00e2y d\u1eabn. C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n s\u1eed d\u1ee5ng t\u1eeb tr\u01b0\u1eddng n\u00e0y \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u, c\u00f4ng ngh\u1ec7 c\u1ea3m \u1ee9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u thay \u0111\u1ed5i l\u00e0m cho t\u1eeb tr\u01b0\u1eddng thay \u0111\u1ed5i li\u00ean t\u1ee5c. B\u00ean trong c\u1ea3m bi\u1ebfn d\u00f2ng xoay chi\u1ec1u, d\u00e2y \u0111\u01b0\u1ee3c qu\u1ea5n quanh l\u00f5i. T\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua d\u00e2y d\u1eabn t\u1ea1o ra m\u1ed9t d\u00f2ng \u0111i\u1ec7n ho\u1eb7c \u0111i\u1ec7n \u00e1p t\u1ec9 l\u1ec7 trong d\u00e2y n\u1eb1m trong c\u1ea3m bi\u1ebfn d\u00f2ng. Sau \u0111\u00f3, c\u1ea3m bi\u1ebfn s\u1ebd t\u1ea1o ra \u0111i\u1ec7n \u00e1p ho\u1eb7c d\u00f2ng \u0111i\u1ec7n nh\u1ea5t \u0111\u1ecbnh m\u00e0 m\u1ed9t \u0111\u1ed3ng h\u1ed3 k\u1ebft n\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u1ecdc v\u00e0 chuy\u1ec3n th\u00e0nh d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua d\u00e2y d\u1eabn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 d\u00f2ng \u0111i\u1ec7n t\u0103ng l\u00ean ho\u1eb7c gi\u1ea3m xu\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y bi\u1ebfn d\u00f2ng. C\u00e1c m\u00e1y bi\u1ebfn d\u00f2ng th\u01b0\u1eddng c\u00f3 hai cu\u1ed9n d\u00e2y. Cu\u1ed9n d\u00e2y c\u00f3 d\u00f2ng \u0111i\u1ec7n \u0111i qua \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cu\u1ed9n s\u01a1 c\u1ea5p, c\u00f2n cu\u1ed9n d\u00e2y m\u00e0 \u0111i\u1ec7n \u00e1p c\u1ea3m \u1ee9ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p. T\u1ef7 s\u1ed1 l\u1ea7n l\u01b0\u1ee3t c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n l\u00e0 s\u1ed1 v\u00f2ng trong cu\u1ed9n th\u1ee9 c\u1ea5p chia cho s\u1ed1 v\u00f2ng trong cu\u1ed9n s\u01a1 c\u1ea5p. T\u1ef7 l\u1ec7 n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh xem m\u1ed9t m\u00e1y bi\u1ebfn d\u00f2ng t\u0103ng hay gi\u1ea3m.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">3. C\u1ea3m bi\u1ebfn Hall \u0111o d\u00f2ng \u0111i\u1ec7n<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u1ea3m bi\u1ebfn Hall l\u00e0 c\u1ea3m bi\u1ebfn cho d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u, c\u00f3 kh\u1ea3 n\u0103ng \u0111o c\u1ea3 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u AC v\u00e0 m\u1ed9t chi\u1ec1u DC. C\u1ea3m bi\u1ebfn n\u00e0y bao g\u1ed3m l\u00f5i, thi\u1ebft b\u1ecb hi\u1ec7u \u1ee9ng Hall v\u00e0 m\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u. C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng Hall.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ea3m bi\u1ebfn Hall ho\u1ea1t \u0111\u1ed9ng nh\u01b0 sau: Khi d\u00f2ng \u0111i\u1ec7n di chuy\u1ec3n qua m\u1ed9t d\u00e2y d\u1eabn s\u1ebd t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng. N\u1ebfu d\u00e2y d\u1eabn n\u00e0y \u1edf trong m\u1ed9t t\u1eeb tr\u01b0\u1eddng kh\u00e1c, th\u00ec t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi d\u00e2y d\u1eabn s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u1eeb tr\u01b0\u1eddng b\u00ean ngo\u00e0i l\u00e0m cho c\u00e1c electron di chuy\u1ec3n sang m\u1ed9t b\u00ean c\u1ee7a d\u00e2y d\u1eabn. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p tr\u00ean d\u00e2y d\u1eabn t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi l\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua n\u00f3 v\u00e0 c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">4. C\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n v\u00e0 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00f9ng c\u00e1c nguy\u00ean t\u1eafc nh\u01b0ng s\u1ebd c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 k\u1ef9 thu\u1eadt gi\u1eefa ch\u00fang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p:<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">4.1. C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n Rogowski<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">B\u1ed9 c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n Rogowski \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o di \u0111\u1ed9ng ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n, c\u00f4ng su\u1ea5t c\u1ee7a c\u00e1c c\u00f4ng x\u01b0\u1edfng ho\u1eb7c \u0111o c\u00e1c t\u1ee7 \u0111i\u1ec7n trung t\u00e2m c\u1ee7a nh\u00e0 m\u00e1y.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u01b0\u1ee3c xem l\u00e0 lo\u1ea1i ch\u00ednh x\u00e1c v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng nh\u1ea5t b\u1edfi s\u1edf h\u1eefu nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed9 ch\u00ednh x\u00e1c cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00e1o l\u1eafp \u0111\u01a1n gi\u1ea3n v\u00e0 thao t\u00e1c an to\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110o \u0111\u01b0\u1ee3c d\u00f2ng l\u00ean t\u1edbi 20 000A.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u00f4ng su\u1ea5t v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t Rogowski.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">4.2. C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u T201<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c t\u1ea3i t\u1eeb 40A tr\u1edf xu\u1ed1ng v\u00e0 ch\u1ec9 d\u00f9ng cho d\u00f2ng \u0111i\u1ec7n AC. Bi\u1ebfn d\u00f2ng xoay chi\u1ec1u AC Model T201 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c nhi\u1ec1u d\u00e3y d\u00f2ng \u0111i\u1ec7n kh\u00e1c nhau \u0111\u1ec3 t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c khi s\u1eed d\u1ee5ng. C\u00e1c d\u00e3y d\u00f2ng \u0111i\u1ec7n c\u1ee7a T201 bao g\u1ed3m: 0-5A, 0-10A, 0-15A, 0-20A, 0-25A, 0-30A, 0-35A, 0-40A.<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3777\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cac-loai-cam-bien-dong-dien.jpg\" alt=\"c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n n\u0103ng\" width=\"630\" height=\"350\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cac-loai-cam-bien-dong-dien.jpg 630w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/cac-loai-cam-bien-dong-dien-300x167.jpg 300w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/p>\n<h3><span style=\"font-weight: 400;\">4.3. C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n DC<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n n\u00e0y c\u00f3 m\u1ed9t \u0111i\u1ec3m \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1eeba c\u00f3 th\u1ec3 d\u00f9ng \u0111\u01b0\u1ee3c cho c\u1ea3 d\u00f2ng AC v\u00e0 d\u00f2ng DC. Do \u0111\u00f3, v\u1edbi c\u00e1c d\u00f2ng t\u1ea3i nh\u1ecf h\u01a1n 600A \u0111\u1ec1u d\u00f9ng \u0111\u01b0\u1ee3c cho c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n T201 Series c\u1ee7a Seneca. C\u1ea3m bi\u1ebfn d\u00f2ng DC c\u00f3 hai l\u1ef1a ch\u1ecdn ra t\u00edn hi\u1ec7u l\u00e0 4-20mA v\u00e0 Modbus RTU.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">5. \u1ee8ng d\u1ee5ng c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng nh\u01b0: \u0111o l\u01b0\u1eddng, gi\u00e1m s\u00e1t d\u00f2ng \u0111i\u1ec7n v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 AC, thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng, m\u00e1y n\u00e9n kh\u00ed, qu\u1ea3n l\u00fd \u0111i\u1ec7n n\u0103ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng\u2026 B\u00ean c\u1ea1nh \u0111\u00f3, ch\u00fang c\u00f2n c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">6. K\u1ebft lu\u1eadn<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft tr\u00ean, ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 bi\u1ebft th\u00eam c\u00e1c th\u00f4ng tin c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n. Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, gi\u00e1 c\u1ee7a c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n dao \u0111\u1ed9ng t\u1eeb kho\u1ea3ng v\u00e0i tr\u0103m \u0111\u1ebfn v\u00e0i tri\u1ec7u m\u1ed9t thi\u1ebft b\u1ecb. Nh\u1ea5t l\u00e0 nh\u1eefng lo\u1ea1i c\u00f3 \u0111\u1ea7u ra \u0111\u1eb7c bi\u1ec7t nh\u01b0 Modbus ho\u1eb7c analog 4-20mA th\u00ec gi\u00e1 c\u00f3 th\u1ec3 s\u1ebd nh\u1ec9nh h\u01a1n. Tuy nhi\u00ean, t\u00f9y v\u00e0o m\u1ee5c \u0111\u00edch v\u00e0 nhu c\u1ea7u s\u1eed d\u1ee5ng m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p nh\u1ea5t cho m\u00ecnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ea3m b\u1ea3o an to\u00e0n, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 c\u1ee7a Bestray nh\u01b0 thang c\u00e1p, m\u00e1ng l\u01b0\u1edbi, khay c\u00e1p,&#8230; \u0110\u00e2y l\u00e0 nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn t\u1ea1i c\u00e1c c\u00f4ng tr\u00ecnh, nh\u00e0 m\u00e1y, chung c\u01b0 b\u1edfi \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed ti\u1ebft ki\u1ec7m v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c ho\u1ea1t \u0111\u1ed9ng an to\u00e0n, \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p><b>M\u1ed9t s\u1ed1 h\u00ecnh \u1ea3nh Thang c\u00e1p t\u1ea1i Bestray:<\/b><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3779\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/Capture-1.jpg\" alt=\"\" width=\"603\" height=\"333\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/Capture-1.jpg 603w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/Capture-1-300x166.jpg 300w\" sizes=\"auto, (max-width: 603px) 100vw, 603px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3776\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/3.jpg\" alt=\"\" width=\"603\" height=\"340\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/3.jpg 603w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2023\/01\/3-300x169.jpg 300w\" sizes=\"auto, (max-width: 603px) 100vw, 603px\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong><a href=\"https:\/\/bestray.com\/\" target=\"_blank\" rel=\"noopener\">Bestray<\/a><\/strong> nhi\u1ec1u n\u0103m ho\u1ea1t \u0111\u1ed9ng trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t, t\u01b0 v\u1ea5n v\u00e0 cung c\u1ea5p nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec7n. Ch\u00fang t\u00f4i cam k\u1ebft lu\u00f4n mang \u0111\u1ebfn nh\u1eefng s\u1ea3n ph\u1ea9m \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t, gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd v\u00e0 \u0111\u1ea3m b\u1ea3o uy t\u00edn n\u00ean b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 an t\u00e2m khi l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m c\u1ee7a Bestray. N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft th\u00eam v\u1ec1 <strong><a href=\"https:\/\/bestray.com\/cable-management\/thang-cap\/\" target=\"_blank\" rel=\"noopener\">thang c\u00e1p \u0111i\u1ec7n<\/a><\/strong>, <strong><a href=\"https:\/\/bestray.com\/cable-management\/mang-cap\/\" target=\"_blank\" rel=\"noopener\">m\u00e1ng c\u00e1p \u0111i\u1ec7n<\/a><\/strong>, <strong><a href=\"https:\/\/bestray.com\/blog\/lua-chon-phu-kien-mang-cap\/\" target=\"_blank\" rel=\"noopener\">ph\u1ee5 ki\u1ec7n m\u00e1ng c\u00e1p \u0111i\u1ec7n<\/a><\/strong>, <strong><a href=\"https:\/\/bestray.com\/cable-management\/khay-cap\/\" target=\"_blank\" rel=\"noopener\">khay c\u00e1p \u0111i\u1ec7n<\/a><\/strong>, <strong><a href=\"https:\/\/bestray.com\/cable-management\/mang-cap\/\" target=\"_blank\" rel=\"noopener\">m\u00e1ng l\u01b0\u1edbi \u0111i\u1ec7n<\/a><\/strong>&#8230; b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi Bestray ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 c\u00e0ng ho\u1eb7c xem th\u00eam c\u00e1c b\u00e0i kh\u00e1c c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><strong>Ngo\u00e0i ra b\u1ea1n c\u00f3 th\u1ec3 xem th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c:\u00a0<\/strong><\/p>\n<ul>\n<li>C\u1ea5u t\u1ea1o nguy\u00ean l\u00fd ph\u00e2n lo\u1ea1i <strong><a href=\"https:\/\/bestray.com\/blog\/ro-le-la-gi\/\">ro le d\u00f2ng \u0111i\u1ec7n<\/a><\/strong><\/li>\n<li>C\u00e1ch ph\u00e2n bi\u1ec7t <strong><a href=\"https:\/\/bestray.com\/blog\/nguon-dien-3-pha-la-gi\/\">\u0111i\u1ec7n 3 pha<\/a><\/strong> v\u1edbi c\u00e1c d\u00f2ng \u0111i\u1ec7n kh\u00e1c<\/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<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","protected":false},"excerpt":{"rendered":"<p>C\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n \u00e1p v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p. V\u00ec v\u1eady, n\u00f3 c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n n\u00f3i chung v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1ec1 \u0111i\u1ec7n n\u00f3i ri\u00eang. V\u1eady c\u1ea3m bi\u1ebfn d\u00f2ng \u0111i\u1ec7n [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3790,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":{"0":"post-3774","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-dien-cong-nghiep"},"lang":"vi","translations":{"vi":3774},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/3774","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=3774"}],"version-history":[{"count":6,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/3774\/revisions"}],"predecessor-version":[{"id":5281,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/3774\/revisions\/5281"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media\/3790"}],"wp:attachment":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media?parent=3774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/categories?post=3774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/tags?post=3774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}