{"id":15762,"date":"2026-01-06T22:31:11","date_gmt":"2026-01-06T14:31:11","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&#038;p=15762"},"modified":"2026-01-06T22:31:11","modified_gmt":"2026-01-06T14:31:11","slug":"diandongjiqidongxiangjiexiankongzhidianqixiangjieyu-y-jiangyaqidongshiwu","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/diandongjiqidongxiangjiexiankongzhidianqixiangjieyu-y-jiangyaqidongshiwu","title":{"rendered":"K\u1ebft n\u1ed1i h\u1ed9p kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n: Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n v\u00e0 th\u1ef1c h\u00e0nh kh\u1edfi \u0111\u1ed9ng gi\u1ea3m \u00e1p Y-\u25b3"},"content":{"rendered":"<div style=\"font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.8; color: #333; max-width: 1100px; margin: 0 auto; background: #fff; padding: 20px;\">\n<div style=\"text-align: center; border-bottom: 5px solid #1f365c; padding-bottom: 30px; margin-bottom: 40px;\">\n<h1 style=\"color: #1f365c; font-size: 32px; margin-bottom: 10px; font-weight: bold;\">K\u1ebft n\u1ed1i h\u1ed9p kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n: Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n v\u00e0 th\u1ef1c h\u00e0nh kh\u1edfi \u0111\u1ed9ng gi\u1ea3m \u00e1p Y-\u25b3<\/h1>\n<div style=\"display: inline-block; background: #1f365c; color: #fff; padding: 6px 20px; border-radius: 4px; font-size: 14px; letter-spacing: 1px;\">Th\u1ef1c h\u00e0nh c\u00e1c k\u1ef9 n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a K\u1ef9 thu\u1eadt vi\u00ean \u0110i\u1ec7n t\u1eed v\u00e0 \u0110i\u1ec7n tr\u00ean t\u00e0u (ETO)<\/div>\n<\/div>\n<section style=\"margin-bottom: 40px; background: #f0f4f8; padding: 25px; border-radius: 8px; border-left: 10px solid #1f365c;\">\n<p style=\"text-indent: 2em; margin: 0; font-weight: 500;\">H\u1ed9p kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, v\u1eadn h\u00e0nh, d\u1eebng \u0111\u1ed9ng c\u01a1 v\u00e0 cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7, \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n nh\u01b0 c\u00f4ng t\u1eafc, r\u01a1le, c\u00f4ng t\u1eafc t\u01a1, v.v. Trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, t\u00f9y theo c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111\u1eb7c t\u00ednh t\u1ea3i, ng\u01b0\u1eddi ta th\u01b0\u1eddng \u00e1p d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng kh\u00e1c nhau nh\u01b0 kh\u1edfi \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp, kh\u1edfi \u0111\u1ed9ng h\u1ea1 \u00e1p Y-\u25b3, kh\u1edfi \u0111\u1ed9ng h\u1ea1 \u00e1p b\u1eb1ng bi\u1ebfn \u00e1p t\u1ef1 gh\u00e9p, v.v. Ph\u1ea7n n\u00e0y s\u1ebd t\u1eadp trung gi\u1ea3i th\u00edch nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i d\u00e2y c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng h\u1ea1 \u00e1p Y-\u25b3.<\/p>\n<\/section>\n<section style=\"margin-bottom: 60px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 22px;\">I. Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n<\/h2>\n<div style=\"margin-top: 30px; padding: 0 10px;\">\n<div style=\"margin-bottom: 40px;\">\n<h3 style=\"color: #1f365c; border-bottom: 2px solid #eee; padding-bottom: 8px;\">(1) N\u00fat b\u1ea5m<\/h3>\n<p style=\"text-indent: 2em;\">N\u00fat nh\u1ea5n l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u00f3ng ho\u1eb7c ng\u1eaft m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n c\u00f3 d\u00f2ng \u0111i\u1ec7n nh\u1ecf; c\u1ea5u t\u1ea1o c\u1ee7a n\u00f3 \u0111\u01a1n gi\u1ea3n v\u00e0 r\u1ea5t thu\u1eadn ti\u1ec7n trong vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n. H\u00ecnh 16-11 tr\u00ecnh b\u00e0y s\u01a1 \u0111\u1ed3 c\u1ea5u t\u1ea1o v\u00e0 k\u00fd hi\u1ec7u \u0111\u1ed3 h\u1ecda c\u1ee7a n\u00fat nh\u1ea5n.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666; margin-top: 10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15763 aligncenter\" title=\"3d9a05f47dd33c93adab0e09d5eca3d5\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/3d9a05f47dd33c93adab0e09d5eca3d5.png\" alt=\"3d9a05f47dd33c93adab0e09d5eca3d5\" width=\"441\" height=\"146\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/3d9a05f47dd33c93adab0e09d5eca3d5.png 652w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/3d9a05f47dd33c93adab0e09d5eca3d5-300x99.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/3d9a05f47dd33c93adab0e09d5eca3d5-18x6.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/3d9a05f47dd33c93adab0e09d5eca3d5-600x199.png 600w\" sizes=\"auto, (max-width: 441px) 100vw, 441px\" \/>H\u00ecnh 16-11 S\u01a1 \u0111\u1ed3 c\u1ea5u t\u1ea1o n\u00fat b\u1ea5m v\u00e0 k\u00fd hi\u1ec7u \u0111\u1ed3 h\u1ecda<\/p>\n<div style=\"background: #fdf2f2; border: 1px solid #f5c6cb; padding: 20px; border-radius: 8px; margin-top: 15px;\"><strong style=\"color: #c0392b;\">Ti\u00eau chu\u1ea9n m\u00e3 m\u00e0u an to\u00e0n:<\/strong><\/p>\n<p style=\"margin-top: 5px; font-size: 14px;\">M\u00e0u s\u1eafc c\u1ee7a c\u00e1c n\u00fat \u0111i\u1ec1u khi\u1ec3n th\u1ec3 hi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a n\u00fat \u0111\u00f3: n\u00fat \u201cD\u1eebng\u201d ph\u1ea3i c\u00f3 m\u00e0u \u0111\u1ecf; n\u00fat \u201cD\u1eebng kh\u1ea9n c\u1ea5p\u201d ph\u1ea3i l\u00e0 n\u00fat h\u00ecnh n\u1ea5m m\u00e0u \u0111\u1ecf; n\u00fat \u201cKh\u1edfi \u0111\u1ed9ng\u201d ph\u1ea3i c\u00f3 v\u00e0nh b\u1ea3o v\u1ec7, v\u00e0 v\u00e0nh b\u1ea3o v\u1ec7 n\u00e0y ph\u1ea3i cao h\u01a1n \u0111\u1ea7u n\u00fat \u0111\u1ec3 tr\u00e1nh b\u1ecb ch\u1ea1m v\u00e0o v\u00f4 t\u00ecnh g\u00e2y ra s\u1ef1 c\u1ed1.<\/p>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h3 style=\"color: #1f365c; border-bottom: 2px solid #eee; padding-bottom: 8px;\">(2) C\u00f4ng t\u1eafc ti\u1ebfp x\u00fac xoay chi\u1ec1u<\/h3>\n<p style=\"text-indent: 2em;\">C\u00f4ng t\u1eafc t\u01a1 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1ef1 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean l\u1ef1c \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 \u0111\u00f3ng ho\u1eb7c ng\u1eaft c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 ng\u1eaft k\u1ebft n\u1ed1i \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00e1c. Nh\u01b0 h\u00ecnh 16-12 cho th\u1ea5y, n\u00f3 ch\u1ee7 y\u1ebfu bao g\u1ed3m l\u00f5i s\u1eaft, \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u00e0 cu\u1ed9n d\u00e2y, trong \u0111\u00f3 l\u00f5i s\u1eaft \u0111\u01b0\u1ee3c chia th\u00e0nh l\u00f5i s\u1eaft t\u0129nh v\u00e0 l\u00f5i s\u1eaft \u0111\u1ed9ng, c\u00f2n \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111i\u1ec3m ti\u1ebfp x\u00fac ch\u00ednh v\u00e0 \u0111i\u1ec3m ti\u1ebfp x\u00fac ph\u1ee5.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666; margin-top: 10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15764 aligncenter\" title=\"049194d02455fb19ca442fd73ab35871\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871.png\" alt=\"049194d02455fb19ca442fd73ab35871\" width=\"548\" height=\"262\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871.png 1046w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871-300x143.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871-1024x489.png 1024w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871-768x367.png 768w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871-18x9.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/049194d02455fb19ca442fd73ab35871-600x287.png 600w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/>H\u00ecnh 16-12: C\u00f4ng t\u1eafc t\u01a1 xoay chi\u1ec1u<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h3 style=\"color: #1f365c; border-bottom: 2px solid #eee; padding-bottom: 8px;\">(3) C\u1ea7u ch\u00ec<\/h3>\n<p style=\"text-indent: 2em;\">Trong h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u00e1p th\u1ea5p v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n, c\u1ea7u ch\u00ec c\u00f3 ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng ng\u1eafn m\u1ea1ch v\u00e0 qu\u00e1 d\u00f2ng. Khi d\u00f2ng \u0111i\u1ec7n \u0111i qua c\u1ea7u ch\u00ec v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb quy \u0111\u1ecbnh, nhi\u1ec7t sinh ra s\u1ebd l\u00e0m tan ch\u1ea3y l\u00f5i c\u1ea7u ch\u00ec, t\u1eeb \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng ng\u1eaft m\u1ea1ch. Khi s\u1eed d\u1ee5ng, c\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c n\u1ed1i ti\u1ebfp v\u00e0o m\u1ea1ch c\u1ea7n b\u1ea3o v\u1ec7; khi m\u1ea1ch x\u1ea3y ra ng\u1eafn m\u1ea1ch ho\u1eb7c qu\u00e1 d\u00f2ng nghi\u00eam tr\u1ecdng, c\u1ea7u ch\u00ec s\u1ebd nhanh ch\u00f3ng t\u1ef1 \u0111\u1ed9ng \u0111\u1ee9t, t\u1eeb \u0111\u00f3 ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a m\u1ea1ch v\u00e0 ph\u00e1t huy t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7.<\/p>\n<p style=\"text-indent: 2em;\">C\u1ea7u ch\u00ec ch\u1ee7 y\u1ebfu bao g\u1ed3m hai b\u1ed9 ph\u1eadn l\u00e0 ph\u1ea7n d\u00e2y n\u00f3ng ch\u1ea3y (d\u00e2y c\u1ea7u ch\u00ec) v\u00e0 \u1ed1ng c\u1ea7u ch\u00ec (ho\u1eb7c \u0111\u1ebf c\u1ea7u ch\u00ec). C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i c\u1ea7u ch\u00ec, trong \u0111\u00f3 c\u00e1c lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m c\u1ea7u ch\u00ec c\u1eafm, c\u1ea7u ch\u00ec xo\u1eafn \u1ed1c v\u00e0 c\u1ea7u ch\u00ec \u1ed1ng k\u00edn. H\u00ecnh 16-13 tr\u00ecnh b\u00e0y s\u01a1 \u0111\u1ed3 c\u1ea5u t\u1ea1o v\u00e0 k\u00fd hi\u1ec7u c\u1ee7a c\u1ea7u ch\u00ec xo\u1eafn \u1ed1c.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<div id=\"attachment_15765\" style=\"width: 494px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15765\" class=\"wp-image-15765\" title=\"\u56fe16-13  \u87ba\u65cb\u5f0f\u7194\u65ad\u5668\u7ed3\u6784\u56fe\u548c\u7b26\u53f7\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/660c0370518f3c3a3962fdfda3fa74ab.png\" alt=\"\u56fe16-13  \u87ba\u65cb\u5f0f\u7194\u65ad\u5668\u7ed3\u6784\u56fe\u548c\u7b26\u53f7\" width=\"484\" height=\"284\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/660c0370518f3c3a3962fdfda3fa74ab.png 774w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/660c0370518f3c3a3962fdfda3fa74ab-300x176.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/660c0370518f3c3a3962fdfda3fa74ab-768x450.png 768w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/660c0370518f3c3a3962fdfda3fa74ab-18x12.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/660c0370518f3c3a3962fdfda3fa74ab-600x352.png 600w\" sizes=\"auto, (max-width: 484px) 100vw, 484px\" \/><p id=\"caption-attachment-15765\" class=\"wp-caption-text\">H\u00ecnh 16-13: S\u01a1 \u0111\u1ed3 c\u1ea5u t\u1ea1o v\u00e0 k\u00fd hi\u1ec7u c\u1ee7a c\u1ea7u ch\u00ec xo\u1eafn \u1ed1c<\/p><\/div>\n<h3 style=\"color: #1f365c; border-bottom: 2px solid #eee; padding-bottom: 8px;\">(4) R\u01a1le<\/h3>\n<h4 style=\"color: #1f365c; font-weight: bold;\">1. R\u01a1le qu\u00e1 d\u00f2ng<\/h4>\n<p style=\"text-indent: 2em;\">R\u01a1le qu\u00e1 d\u00f2ng l\u00e0 lo\u1ea1i r\u01a1le c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 kh\u1ecfi t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh; h\u00ecnh d\u00e1ng, nguy\u00ean l\u00fd c\u1ea5u t\u1ea1o v\u00e0 k\u00fd hi\u1ec7u c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 16-14. Thi\u1ebft b\u1ecb n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng nhi\u1ec7t c\u1ee7a d\u00f2ng \u0111i\u1ec7n, khi \u0111\u1ed9ng c\u01a1 b\u1ecb qu\u00e1 t\u1ea3i, c\u00e1c b\u1ed9 ph\u1eadn sinh nhi\u1ec7t c\u1ee7a r\u01a1le qu\u00e1 d\u00f2ng s\u1ebd n\u00f3ng l\u00ean, l\u00e0m cho t\u1ea5m l\u01b0\u1ee1ng kim b\u1ecb u\u1ed1n cong, \u0111\u1ea9y t\u1ea5m d\u1eabn h\u01b0\u1edbng \u0111\u1ec3 ng\u1eaft ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng trong m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n, t\u1eeb \u0111\u00f3 l\u00e0m cho cu\u1ed9n d\u00e2y ti\u1ebfp \u0111i\u1ec3m c\u0169ng m\u1ea5t \u0111i\u1ec7n, ng\u1eaft m\u1ea1ch ch\u00ednh c\u1ee7a \u0111\u1ed9ng c\u01a1 th\u00f4ng qua ti\u1ebfp \u0111i\u1ec3m ch\u00ednh c\u1ee7a ti\u1ebfp \u0111i\u1ec3m, nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666; margin-top: 10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15766 aligncenter\" title=\"0639121bf4401fa3e608c979fbbe47e3\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/0639121bf4401fa3e608c979fbbe47e3.png\" alt=\"0639121bf4401fa3e608c979fbbe47e3\" width=\"415\" height=\"218\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/0639121bf4401fa3e608c979fbbe47e3.png 858w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/0639121bf4401fa3e608c979fbbe47e3-300x157.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/0639121bf4401fa3e608c979fbbe47e3-768x403.png 768w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/0639121bf4401fa3e608c979fbbe47e3-18x9.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/0639121bf4401fa3e608c979fbbe47e3-600x315.png 600w\" sizes=\"auto, (max-width: 415px) 100vw, 415px\" \/>H\u00ecnh 16-14: H\u00ecnh d\u00e1ng, nguy\u00ean l\u00fd c\u1ea5u t\u1ea1o v\u00e0 k\u00fd hi\u1ec7u c\u1ee7a r\u01a1le qu\u00e1 d\u00f2ng<\/p>\n<h4 style=\"color: #1f365c; font-weight: bold; margin-top: 30px;\">2. R\u01a1le th\u1eddi gian<\/h4>\n<p style=\"text-indent: 2em;\">R\u01a1le th\u1eddi gian c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 c\u00e1c ti\u1ebfp \u0111i\u1ec3m s\u1ebd ho\u1ea1t \u0111\u1ed9ng ch\u1eadm tr\u1ec5 sau khi nh\u1eadn ho\u1eb7c m\u1ea5t t\u00edn hi\u1ec7u \u0111i\u1ec7n. Lo\u1ea1i r\u01a1le n\u00e0y c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau nh\u01b0 lo\u1ea1i \u0111i\u1ec7n t\u1eeb, lo\u1ea1i gi\u1ea3m ch\u1ea5n kh\u00ed n\u00e9n, lo\u1ea1i \u0111i\u1ec7n \u0111\u1ed9ng, lo\u1ea1i con l\u1eafc v\u00e0 lo\u1ea1i b\u00e1n d\u1eabn. T\u00f9y theo y\u00eau c\u1ea7u ho\u1ea1t \u0111\u1ed9ng trong m\u1ea1ch, r\u01a1le th\u1eddi gian th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1n lo\u1ea1i: ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng ng\u1eaft c\u00f3 \u0111\u1ed9 tr\u1ec5, ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng \u0111\u00f3ng c\u00f3 \u0111\u1ed9 tr\u1ec5, ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng \u0111\u00f3ng c\u00f3 \u0111\u1ed9 tr\u1ec5 v\u00e0 ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng ng\u1eaft c\u00f3 \u0111\u1ed9 tr\u1ec5. Y\u00eau c\u1ea7u ho\u1ea1t \u0111\u1ed9ng v\u00e0 k\u00fd hi\u1ec7u \u0111\u1ed3 h\u1ecda c\u1ee7a c\u00e1c lo\u1ea1i ti\u1ebfp \u0111i\u1ec3m n\u00e0y \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 16-15.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666; margin-top: 10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15767 aligncenter\" title=\"f322ef1e35a4c5b8dcc78fce02b7e5b0\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/f322ef1e35a4c5b8dcc78fce02b7e5b0.png\" alt=\"f322ef1e35a4c5b8dcc78fce02b7e5b0\" width=\"291\" height=\"222\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/f322ef1e35a4c5b8dcc78fce02b7e5b0.png 522w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/f322ef1e35a4c5b8dcc78fce02b7e5b0-300x229.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/f322ef1e35a4c5b8dcc78fce02b7e5b0-16x12.png 16w\" sizes=\"auto, (max-width: 291px) 100vw, 291px\" \/>H\u00ecnh 16-15: Y\u00eau c\u1ea7u v\u1ec1 ho\u1ea1t \u0111\u1ed9ng v\u00e0 k\u00fd hi\u1ec7u \u0111\u1ed3 h\u1ecda c\u1ee7a c\u00e1c lo\u1ea1i ti\u1ebfp \u0111i\u1ec3m<\/p>\n<h4 style=\"color: #1f365c; font-weight: bold; margin-top: 40px; background: #eef2f7; padding: 15px; border-radius: 4px;\">3. AH3-3: Th\u1ef1c h\u00e0nh c\u00e0i \u0111\u1eb7t th\u00f4ng s\u1ed1 v\u00e0 \u0111\u1ea5u d\u00e2y cho r\u01a1le th\u1eddi gian<\/h4>\n<div style=\"padding: 15px;\">\n<p><strong>(1) C\u00e0i \u0111\u1eb7t th\u00f4ng s\u1ed1:<\/strong>Nh\u01b0 h\u00ecnh 16-16 cho th\u1ea5y, \u0110\u1ed1i v\u1edbi r\u01a1le th\u1eddi gian AH3-3, sau khi th\u00e1o n\u00fam \u0111i\u1ec1u ch\u1ec9nh v\u00e0 t\u1ea5m v\u1ea1ch chia (c\u00f3 nhi\u1ec1u t\u1ea5m v\u1ea1ch chia), b\u1ea1n s\u1ebd th\u1ea5y b\u00ean trong c\u00f3 c\u00f4ng t\u1eafc chuy\u1ec3n \u0111\u1ed5i v\u1ecb tr\u00ed. H\u00e3y tham kh\u1ea3o nh\u00e3n hi\u1ec7u \u0111\u1ec3 g\u1ea1t c\u00f4ng t\u1eafc chuy\u1ec3n \u0111\u1ed5i sang v\u1ecb tr\u00ed t\u01b0\u01a1ng \u1ee9ng v\u1edbi ph\u00fat (MIN), sau \u0111\u00f3 l\u1eafp l\u1ea1i t\u1ea5m v\u1ea1ch chia v\u00e0 n\u00fam \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15768 aligncenter\" title=\"78c528dd831e01ab24fa8d1f969ba12c\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/78c528dd831e01ab24fa8d1f969ba12c.png\" alt=\"78c528dd831e01ab24fa8d1f969ba12c\" width=\"407\" height=\"232\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/78c528dd831e01ab24fa8d1f969ba12c.png 652w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/78c528dd831e01ab24fa8d1f969ba12c-300x171.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/78c528dd831e01ab24fa8d1f969ba12c-18x10.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/78c528dd831e01ab24fa8d1f969ba12c-600x342.png 600w\" sizes=\"auto, (max-width: 407px) 100vw, 407px\" \/>H\u00ecnh 16-16 B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n th\u1ef1c t\u1ebf c\u1ee7a r\u01a1le th\u1eddi gian AH3-3<\/p>\n<div style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px;\">\n<div style=\"border: 1px solid #ddd; padding: 15px; border-radius: 8px;\"><strong>(2) Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi n\u1ed1i d\u00e2y:<\/strong>Chu\u1ea9n b\u1ecb c\u00e1c d\u1ee5ng c\u1ee5 nh\u01b0 tu\u1ed1c-n\u01a1-v\u00edt, d\u00e2y d\u1eabn c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p (ch\u1ecdn d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n t\u1ea3i; th\u01b0\u1eddng l\u00e0 d\u00e2y \u0111\u1ed3ng; khi d\u00f2ng \u0111i\u1ec7n l\u1edbn th\u00ec n\u00ean ch\u1ecdn d\u00e2y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n), k\u00ecm b\u00f3c v\u1ecf d\u00e2y, v.v.<\/div>\n<div style=\"border: 1px solid #ddd; padding: 15px; border-radius: 8px;\"><strong>(3) C\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n:<\/strong>\u0110\u1ea3m b\u1ea3o \u0111\u00e3 ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n li\u00ean quan tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh n\u1ed1i d\u00e2y; c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u00fat ki\u1ec3m tra \u0111i\u1ec7n ho\u1eb7c c\u00e1c d\u1ee5ng c\u1ee5 t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 ki\u1ec3m tra v\u00e0 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f2n \u0111i\u1ec7n, \u0111\u1ed3ng th\u1eddi th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o h\u1ed9 an to\u00e0n \u0111\u1ec3 tr\u00e1nh tai n\u1ea1n \u0111i\u1ec7n gi\u1eadt.<\/div>\n<\/div>\n<p style=\"margin-top: 25px;\"><strong>(4) T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c c\u1ef1c c\u1ee7a r\u01a1le:<\/strong>N\u1eafm r\u00f5 ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c \u0111\u1ea7u n\u1ed1i tr\u00ean r\u01a1le th\u1eddi gian AH3-3. Nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 16-17, c\u00e1c \u0111\u1ea7u n\u1ed1i s\u1ed1 1, 3 v\u00e0 4 l\u00e0 c\u00e1c ti\u1ebfp \u0111i\u1ec3m kh\u00f4ng c\u00f3 \u0111\u1ed9 tr\u1ec5, c\u00f2n c\u00e1c \u0111\u1ea7u n\u1ed1i s\u1ed1 5, 6 v\u00e0 8 l\u00e0 c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u00f3 \u0111\u1ed9 tr\u1ec5.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15769 aligncenter\" title=\"d9be362e7313b82e72c820b0fe8e5dc8\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/d9be362e7313b82e72c820b0fe8e5dc8.png\" alt=\"d9be362e7313b82e72c820b0fe8e5dc8\" width=\"228\" height=\"374\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/d9be362e7313b82e72c820b0fe8e5dc8.png 306w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/d9be362e7313b82e72c820b0fe8e5dc8-183x300.png 183w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/d9be362e7313b82e72c820b0fe8e5dc8-7x12.png 7w\" sizes=\"auto, (max-width: 228px) 100vw, 228px\" \/>H\u00ecnh 16-17: C\u00e1c \u0111\u1ea7u n\u1ed1i c\u1ee7a r\u01a1le th\u1eddi gian AH3-3<\/p>\n<p style=\"margin-top: 20px;\"><strong>(5) K\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n:<\/strong>T\u00ecm c\u00e1c \u0111\u1ea7u n\u1ed1i s\u1ed1 2 v\u00e0 7 \u0111\u01b0\u1ee3c ghi l\u00e0 \u201cNgu\u1ed3n v\u00e0o\u201d. N\u1ebfu ngu\u1ed3n \u0111i\u1ec7n l\u00e0m vi\u1ec7c l\u00e0 ngu\u1ed3n xoay chi\u1ec1u v\u1edbi \u0111i\u1ec7n \u00e1p 220 V, h\u00e3y n\u1ed1i d\u00e2y pha c\u1ee7a ngu\u1ed3n xoay chi\u1ec1u v\u00e0o \u0111\u1ea7u n\u1ed1i s\u1ed1 2 v\u00e0 d\u00e2y trung t\u00ednh v\u00e0o \u0111\u1ea7u n\u1ed1i s\u1ed1 7; N\u1ebfu ngu\u1ed3n \u0111i\u1ec7n l\u00e0 ngu\u1ed3n m\u1ed9t chi\u1ec1u, h\u00e3y ch\u00fa \u00fd ph\u00e2n bi\u1ec7t c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m, k\u1ebft n\u1ed1i ch\u00ednh x\u00e1c v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i t\u01b0\u01a1ng \u1ee9ng: c\u1ef1c d\u01b0\u01a1ng n\u1ed1i v\u1edbi \u0111\u1ea7u n\u1ed1i s\u1ed1 7, c\u1ef1c \u00e2m n\u1ed1i v\u1edbi \u0111\u1ea7u n\u1ed1i s\u1ed1 2, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p ngu\u1ed3n ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a r\u01a1le.<\/p>\n<div style=\"background: #fff; border: 1px solid #eee; padding: 20px; border-radius: 8px; margin-top: 20px; box-shadow: 0 4px 10px rgba(0,0,0,0.05);\"><strong style=\"color: #1f365c; font-size: 16px;\">(6) K\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac (xem H\u00ecnh 16-17):<\/strong><\/p>\n<ul style=\"margin-top: 10px; font-size: 14px;\">\n<li style=\"margin-bottom: 10px;\"><strong>\u2460 \u0110\u00f3ng ch\u1eadm (ti\u1ebfp \u0111i\u1ec3m th\u01b0\u1eddng m\u1edf)<\/strong>: N\u1ebfu s\u1eed d\u1ee5ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u01b0 \u0111i\u1ec1u khi\u1ec3n kh\u1edfi \u0111\u1ed9ng tr\u1ec5 c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, c\u1ea7n s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng \u0111\u00f3ng tr\u1ec5. T\u00ecm c\u00e1c \u0111\u1ea7u n\u1ed1i 6 v\u00e0 8 t\u01b0\u01a1ng \u1ee9ng v\u1edbi ti\u1ebfp \u0111i\u1ec3m \u0111\u00f3ng tr\u1ec5, n\u1ed1i m\u1ed9t \u0111\u1ea7u c\u1ee7a t\u1ea3i v\u00e0o \u0111\u1ea7u n\u1ed1i s\u1ed1 6, \u0111\u1ea7u c\u00f2n l\u1ea1i n\u1ed1i v\u00e0o \u0111\u1ea7u t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>\u2461 Ng\u1eaft k\u1ebft n\u1ed1i ch\u1eadm (ti\u1ebfp \u0111i\u1ec3m th\u01b0\u1eddng \u0111\u00f3ng)<\/strong>: N\u1ebfu s\u1eed d\u1ee5ng trong c\u00e1c t\u00ecnh hu\u1ed1ng nh\u01b0 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 d\u1eebng ch\u1eadm, c\u1ea7n s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng ng\u1eaft ch\u1eadm. T\u00ecm c\u00e1c \u0111\u1ea7u n\u1ed1i 5 v\u00e0 8 t\u01b0\u01a1ng \u1ee9ng v\u1edbi ti\u1ebfp \u0111i\u1ec3m ng\u1eaft ch\u1eadm, k\u1ebft n\u1ed1i m\u1ed9t \u0111\u1ea7u c\u1ee7a t\u1ea3i v\u1edbi \u0111\u1ea7u n\u1ed1i s\u1ed1 5, \u0111\u1ea7u c\u00f2n l\u1ea1i k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<li><strong>\u2462 C\u00e1ch \u0111\u1ea5u d\u00e2y ti\u1ebfp \u0111i\u1ec3m t\u1ee9c th\u1eddi<\/strong>: C\u00e1c ti\u1ebfp \u0111i\u1ec3m t\u1ee9c th\u1eddi s\u1ed1 1 v\u00e0 3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n y\u00eau c\u1ea7u ph\u1ea3n \u1ee9ng ngay l\u1eadp t\u1ee9c. V\u00ed d\u1ee5, khi k\u1ebft n\u1ed1i c\u00e1c ti\u1ebfp \u0111i\u1ec3m t\u1ee9c th\u1eddi v\u1edbi \u0111\u00e8n b\u00e1o \u0111\u1ed9ng, ngay khi r\u01a1le th\u1eddi gian \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, \u0111\u00e8n b\u00e1o \u0111\u1ed9ng s\u1ebd s\u00e1ng ngay l\u1eadp t\u1ee9c; m\u1ed9t \u0111\u1ea7u c\u1ee7a \u0111\u00e8n b\u00e1o \u0111\u1ed9ng \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi c\u1ef1c s\u1ed1 1, \u0111\u1ea7u c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi c\u1ef1c t\u01b0\u01a1ng \u1ee9ng tr\u00ean ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<\/ul>\n<\/div>\n<p style=\"margin-top: 25px;\"><strong>(7) Ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m k\u1ebft n\u1ed1i:<\/strong><\/p>\n<div style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 20px;\">\n<div style=\"background: #fdf6ec; padding: 15px; border-radius: 6px;\"><strong>\u2460 Ki\u1ec3m tra<\/strong>: Ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng xem t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i d\u00e2y c\u00f3 ch\u1eafc ch\u1eafn hay kh\u00f4ng, c\u00f3 b\u1ecb l\u1ecfng l\u1ebbo ho\u1eb7c ti\u1ebfp x\u00fac kh\u00f4ng \u1ed5n \u0111\u1ecbnh hay kh\u00f4ng; ki\u1ec3m tra xem c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u00ednh x\u00e1c hay kh\u00f4ng, nh\u1eb1m tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 ch\u1eadp m\u1ea1ch, \u0111\u1ee9t m\u1ea1ch; x\u00e1c nh\u1eadn vi\u1ec7c k\u1ebft n\u1ed1i d\u00e2y tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u an to\u00e0n li\u00ean quan.<\/div>\n<div style=\"background: #fdf6ec; padding: 15px; border-radius: 6px;\"><strong>\u2461 Ki\u1ec3m tra<\/strong>: Sau khi x\u00e1c nh\u1eadn vi\u1ec7c n\u1ed1i d\u00e2y \u0111\u00e3 ch\u00ednh x\u00e1c, h\u00e3y b\u1eadt ngu\u1ed3n \u0111i\u1ec7n v\u00e0 quan s\u00e1t xem r\u01a1le th\u1eddi gian c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang theo th\u1eddi gian c\u00e0i \u0111\u1eb7t hay kh\u00f4ng. Ki\u1ec3m tra xem ti\u1ebfp \u0111i\u1ec3m tr\u1ec5 c\u00f3 chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i ch\u00ednh x\u00e1c sau khi h\u1ebft th\u1eddi gian c\u00e0i \u0111\u1eb7t hay kh\u00f4ng, v\u00e0 ti\u1ebfp \u0111i\u1ec3m t\u1ee9c th\u1eddi c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng ngay khi c\u00f3 \u0111i\u1ec7n hay kh\u00f4ng; quan s\u00e1t xem thi\u1ebft b\u1ecb t\u1ea3i c\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 d\u1ef1 ki\u1ebfn hay kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng, h\u00e3y ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n ngay l\u1eadp t\u1ee9c, ki\u1ec3m tra l\u1ea1i vi\u1ec7c n\u1ed1i d\u00e2y v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u00e0i \u0111\u1eb7t.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section style=\"margin-bottom: 60px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 22px;\">II. C\u00e1ch \u0111\u1ea5u d\u00e2y chuy\u1ec3n \u0111\u1ed5i k\u1ebft n\u1ed1i Y-\u25b3 c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n ba pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/h2>\n<div style=\"margin-top: 30px; padding: 0 10px;\">\n<p style=\"text-indent: 2em;\">C\u00f4ng ngh\u1ec7 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n kh\u1edfi \u0111\u1ed9ng h\u1ea1 \u00e1p Y-\u25b3 \u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 ch\u00edn mu\u1ed3i v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o c\u00e1c thi\u1ebft b\u1ecb kh\u1edfi \u0111\u1ed9ng chuy\u00ean d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00f2ng QX3. Khi kh\u1edfi \u0111\u1ed9ng, cu\u1ed9n d\u00e2y stato tr\u01b0\u1edbc ti\u00ean \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i theo h\u00ecnh sao; khi t\u1ed1c \u0111\u1ed9 quay t\u0103ng l\u00ean g\u1ea7n \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c, cu\u1ed9n d\u00e2y stato s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n sang k\u1ebft n\u1ed1i h\u00ecnh tam gi\u00e1c, v\u00e0 \u0111\u1ed9ng c\u01a1 s\u1ebd chuy\u1ec3n sang tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p style=\"text-indent: 2em;\">H\u00ecnh 16-18 minh h\u1ecda s\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i chuy\u1ec3n \u0111\u1ed5i Y-\u0394 c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n ba pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9. M\u1ea1ch n\u00e0y s\u1eed d\u1ee5ng 3 c\u00f4ng t\u1eafc ti\u1ebfp \u0111i\u1ec3m v\u00e0 1 r\u01a1le th\u1eddi gian. C\u00f4ng t\u1eafc t\u01a1 KM d\u1eabn ngu\u1ed3n \u0111i\u1ec7n ba pha v\u00e0o; KM\u2083 k\u1ebft n\u1ed1i cu\u1ed9n d\u00e2y ba pha c\u1ee7a stato theo h\u00ecnh tam gi\u00e1c; KM\u2082 k\u1ebft n\u1ed1i cu\u1ed9n d\u00e2y ba pha c\u1ee7a stato theo h\u00ecnh sao; r\u01a1le th\u1eddi gian c\u00f3 ch\u1ee9c n\u0103ng t\u1ea1o \u0111\u1ed9 tr\u1ec5, gi\u00fap chuy\u1ec3n \u0111\u1ed5i t\u1eeb k\u1ebft n\u1ed1i h\u00ecnh sao sang k\u1ebft n\u1ed1i h\u00ecnh tam gi\u00e1c.<\/p>\n<p style=\"text-align: center; font-size: 13px; color: #666; margin-top: 10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15770 aligncenter\" title=\"7f1955f4037476a35c56af27648fb900\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/7f1955f4037476a35c56af27648fb900.png\" alt=\"7f1955f4037476a35c56af27648fb900\" width=\"495\" height=\"332\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/7f1955f4037476a35c56af27648fb900.png 712w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/7f1955f4037476a35c56af27648fb900-300x201.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/7f1955f4037476a35c56af27648fb900-18x12.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/7f1955f4037476a35c56af27648fb900-600x403.png 600w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/>H\u00ecnh 16-18: S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y chuy\u1ec3n \u0111\u1ed5i k\u1ebft n\u1ed1i Y-\u25b3 c\u1ee7a \u0111\u1ed9ng c\u01a1 ba pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/p>\n<div style=\"margin-top: 30px; background: #fff8e6; border: 1px solid #ffeeba; padding: 25px; border-radius: 8px;\">\n<p style=\"margin: 0; text-indent: 2em;\">N\u1ebfu mu\u1ed1n v\u1eeba h\u1ea1n ch\u1ebf d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng v\u1eeba kh\u00f4ng l\u00e0m gi\u1ea3m m\u00f4-men xo\u1eafn kh\u1edfi \u0111\u1ed9ng, c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u1ed9ng c\u01a1 ba pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9 cu\u1ed9n d\u00e2y. Khi kh\u1edfi \u0111\u1ed9ng, c\u1ea7n n\u1ed1i ti\u1ebfp m\u1ed9t \u0111i\u1ec7n tr\u1edf kh\u1edfi \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec7n tr\u1edf bi\u1ebfn thi\u00ean theo t\u1ea7n s\u1ed1 v\u00e0o m\u1ea1ch r\u00f4to; khi qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng ho\u00e0n t\u1ea5t, m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n s\u1ebd t\u1ef1 \u0111\u1ed9ng ng\u1eaft \u0111i\u1ec7n tr\u1edf kh\u1edfi \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec7n tr\u1edf bi\u1ebfn thi\u00ean theo t\u1ea7n s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ed1i ti\u1ebfp v\u00e0o m\u1ea1ch r\u00f4to.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<footer style=\"text-align: center; margin-top: 80px; padding-top: 30px; border-top: 1px solid #eee; color: #999; font-size: 13px;\">\u0110\u00e0o t\u1ea1o k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n tr\u00ean t\u00e0u | Th\u1ef1c h\u00e0nh n\u1ed1i d\u00e2y h\u1ed9p kh\u1edfi \u0111\u1ed9ng | Phi\u00ean b\u1ea3n s\u1eeda \u0111\u1ed5i n\u0103m 2026<\/footer>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>K\u1ebft n\u1ed1i h\u1ed9p kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n: Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n v\u00e0 th\u1ef1c h\u00e0nh kh\u1edfi \u0111\u1ed9ng gi\u1ea3m \u00e1p Y-\u25b3 K\u1ef9 n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a k\u1ef9 s\u01b0 \u0111i\u1ec7n t\u1eed h\u00e0ng h\u1ea3i (ETO) Th\u1ef1c h\u00e0nh h\u1ed9p kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n...<\/p>","protected":false},"author":1,"featured_media":15771,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15762","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-dianzidianqiyuanshicaopinggukecheng","dt_portfolio_category-891","description-off"],"_links":{"self":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=15762"}],"version-history":[{"count":1,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15762\/revisions"}],"predecessor-version":[{"id":15772,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15762\/revisions\/15772"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15771"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15762"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15762"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}