{"id":11192,"date":"2024-12-09T22:22:15","date_gmt":"2024-12-09T14:22:15","guid":{"rendered":"https:\/\/viox.com\/?p=11192"},"modified":"2026-01-17T22:52:17","modified_gmt":"2026-01-17T14:52:17","slug":"how-to-wire-a-solar-panel-junction-box","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/how-to-wire-a-solar-panel-junction-box\/","title":{"rendered":"C\u00e1ch \u0111\u1ea5u d\u00e2y h\u1ed9p n\u1ed1i t\u1ea5m pin m\u1eb7t tr\u1eddi"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>Vi\u1ec7c \u0111\u1ea5u d\u00e2y h\u1ed9p \u0111\u1ea5u n\u1ed1i c\u1ee7a t\u1ea5m pin m\u1eb7t tr\u1eddi l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho \u0111\u1ed9 tin c\u1eady v\u00e0 an to\u00e0n c\u1ee7a b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n (PV) n\u00e0o. Cho d\u00f9 b\u1ea1n \u0111ang l\u1eafp \u0111\u1eb7t m\u1ed9t d\u00e3y pin d\u00e2n d\u1ee5ng nh\u1ecf hay m\u1ed9t h\u1ec7 th\u1ed1ng th\u01b0\u01a1ng m\u1ea1i l\u1edbn h\u01a1n, vi\u1ec7c hi\u1ec3u c\u00e1ch \u0111\u1ea5u d\u00e2y v\u00e0 k\u1ebft n\u1ed1i \u0111\u00fang c\u00e1ch c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3, tu\u1ed5i th\u1ecd v\u00e0\u2014quan tr\u1ecdng nh\u1ea5t\u2014s\u1ef1 an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng. H\u1ed9p \u0111\u1ea5u n\u1ed1i \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y kh\u00f4ng \u0111\u00fang c\u00e1ch l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra h\u1ecfa ho\u1ea1n li\u00ean quan \u0111\u1ebfn n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, s\u1ef1 c\u1ed1 \u0111i\u1ec7n v\u00e0 m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eebng b\u01b0\u1edbc c\u1ee7a quy tr\u00ecnh, t\u1eeb vi\u1ec7c chu\u1ea9n b\u1ecb c\u00e1p PV \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng UV \u0111\u1ebfn vi\u1ec7c c\u1ed1 \u0111\u1ecbnh c\u00e1c \u0111\u1ea7u n\u1ed1i MC4 b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt c\u1ea5p chuy\u00ean nghi\u1ec7p. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c tr\u00ecnh c\u00e0i \u0111\u1eb7t \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, c\u00f9ng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t trong ng\u00e0nh \u0111\u00e1p \u1ee9ng <strong>NEC 690<\/strong> v\u00e0 <strong>IEC 61010<\/strong> c\u00e1c quy \u0111\u1ecbnh.<\/p>\n<h3>H\u1ed9p \u0111\u1ea5u n\u1ed1i t\u1ea5m pin m\u1eb7t tr\u1eddi l\u00e0 g\u00ec?<\/h3>\n<p>H\u1ed9p \u0111\u1ea5u n\u1ed1i t\u1ea5m pin m\u1eb7t tr\u1eddi l\u00e0 v\u1ecf \u0111i\u1ec7n k\u00edn \u0111\u01b0\u1ee3c g\u1eafn \u1edf m\u1eb7t sau c\u1ee7a m\u1ed7i m\u00f4-\u0111un n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. N\u00f3 ph\u1ee5c v\u1ee5 ba ch\u1ee9c n\u0103ng quan tr\u1ecdng:<\/p>\n<ol>\n<li><strong>Trung t\u00e2m k\u1ebft n\u1ed1i:<\/strong> H\u1ed9p \u0111\u1ea5u n\u1ed1i h\u1ee3p nh\u1ea5t h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u00ean trong t\u1ea5m pin v\u1edbi c\u00e1p PV b\u00ean ngo\u00e0i, \u0111\u1ecbnh tuy\u1ebfn ngu\u1ed3n \u0111\u1ebfn bi\u1ebfn t\u1ea7n c\u1ee7a b\u1ea1n ho\u1eb7c <a href=\"https:\/\/test.viox.com\/vi\/what-does-a-solar-combiner-box-do\/\">h\u1ed9p k\u1ebft h\u1ee3p<\/a>.<\/li>\n<li><strong>Th\u00e0nh ph\u1ea7n an to\u00e0n:<\/strong> N\u00f3 ch\u1ee9a c\u00e1c \u0111i\u1ed1t b\u1ecf qua gi\u00fap ng\u0103n ch\u1eb7n \u201c\u0111i\u1ec3m n\u00f3ng\u201d (khu v\u1ef1c c\u00f3 nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao) khi m\u1ed9t t\u1ea5m pin b\u1ecb che b\u00f3ng trong khi c\u00e1c t\u1ea5m kh\u00e1c \u0111ang \u1edf d\u01b0\u1edbi \u00e1nh n\u1eafng \u0111\u1ea7y \u0111\u1ee7.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 th\u1eddi ti\u1ebft:<\/strong> V\u1ecf k\u00edn, \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng IP65\/IP67 \u0111\u1ea3m b\u1ea3o h\u01a1i \u1ea9m, b\u1ee5i v\u00e0 c\u00f4n tr\u00f9ng kh\u00f4ng th\u1ec3 \u0103n m\u00f2n ho\u1eb7c l\u00e0m h\u1ecfng c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n b\u00ean trong.<\/li>\n<\/ol>\n<p>Hi\u1ec3u c\u00e1c ch\u1ee9c n\u0103ng n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft v\u00ec nh\u1eefng sai s\u00f3t trong vi\u1ec7c \u0111\u1ea5u d\u00e2y h\u1ed9p \u0111\u1ea5u n\u1ed1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n<ul>\n<li>C\u00e1c s\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n (c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ch\u1ebft ng\u01b0\u1eddi)<\/li>\n<li>\u0102n m\u00f2n do h\u01a1i \u1ea9m v\u00e0 \u0111o\u1ea3n m\u1ea1ch<\/li>\n<li>Gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng h\u1ec7 th\u1ed1ng t\u1eeb 15\u201330%<\/li>\n<li>L\u1ed7i h\u1ec7 th\u1ed1ng ho\u00e0n to\u00e0n<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Photorealistic-view-of-an-open-solar-panel-junction-box-during-installation-showing-strain-relief-glands-internal-terminal-blocks-with-polarity-markings-and-redblack-PV-cables-with-professional-drip-loops.webp\" alt=\"Photorealistic view of an open solar panel junction box during installation, showing strain relief glands, internal terminal blocks with polarity markings, and red\/black PV cables with professional drip loops.\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 1: H\u00ecnh \u1ea3nh b\u00ean trong h\u1ed9p \u0111\u1ea5u n\u1ed1i t\u1ea5m pin m\u1eb7t tr\u1eddi trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, l\u00e0m n\u1ed5i b\u1eadt c\u00e1c d\u1ea5u ph\u00e2n c\u1ef1c v\u00e0 c\u00e1c tuy\u1ebfn gi\u1ea3m c\u0103ng th\u1eb3ng.<\/figcaption><\/figure>\n<h3>C\u00e1c c\u00f4ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u b\u1ea1n s\u1ebd c\u1ea7n<\/h3>\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c \u0111\u1ea5u d\u00e2y n\u00e0o, h\u00e3y thu th\u1eadp c\u00e1c c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p sau:<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\" style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>C\u00f4ng c\u1ee5\/V\u1eadt li\u1ec7u<\/th>\n<th>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/th>\n<th>M\u1ee5c \u0111\u00edch<\/th>\n<th>T\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>D\u00e2y PV<\/strong><\/td>\n<td>10 AWG, \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng USE-2 ho\u1eb7c PV, ch\u1ed1ng tia c\u1ef1c t\u00edm<\/td>\n<td>D\u00e2y d\u1eabn ch\u00ednh<\/td>\n<td>C\u00e1p ti\u00eau chu\u1ea9n gi\u1ea3m thi\u1ec3u s\u1ee5t \u00e1p; d\u00e2y kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm s\u1ebd xu\u1ed1ng c\u1ea5p d\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u00ecm tu\u1ed1t d\u00e2y<\/strong><\/td>\n<td>M\u00f4 h\u00ecnh ch\u00ednh x\u00e1c, dung sai 1\/16\u2033<\/td>\n<td>\u0110\u1ec3 l\u1ed9 \u0111\u1ed3ng s\u1ea1ch<\/td>\n<td>L\u00e0m x\u01b0\u1edbc d\u00e2y d\u1eabn t\u1ea1o ra c\u00e1c \u0111i\u1ec3m y\u1ebfu v\u00e0 v\u00f9ng \u0103n m\u00f2n<\/td>\n<\/tr>\n<tr>\n<td><strong>Tua v\u00edt \u0111\u1ea7u d\u1eb9t<\/strong><\/td>\n<td>3\/16\u2033 ho\u1eb7c 1\/4\u2033<\/td>\n<td>M\u1edf n\u1eafp h\u1ed9p \u0111\u1ea5u n\u1ed1i<\/td>\n<td>Sai k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u0111\u1ea7u v\u00edt<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u00ecm b\u1ea5m MC4<\/strong><\/td>\n<td>Ki\u1ec3u b\u00e1nh c\u00f3c, kh\u00f4ng ph\u1ea3i k\u00ecm<\/td>\n<td>B\u1ea5m ch\u00e2n \u0111\u1ef1c\/c\u00e1i<\/td>\n<td>K\u00ecm b\u1ea5m b\u00e1nh c\u00f3c \u0111\u1ea3m b\u1ea3o \u00e1p su\u1ea5t \u201ck\u00edn kh\u00ed\u201d \u1ed5n \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td><strong>\u1ed0ng co nhi\u1ec7t<\/strong><\/td>\n<td>L\u00f3t keo, ch\u1ed1ng tia c\u1ef1c t\u00edm<\/td>\n<td>C\u00e1ch nhi\u1ec7t ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/td>\n<td>T\u1ea1o h\u00e0ng r\u00e0o ch\u1ed1ng \u1ea9m th\u1ee9 c\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u1edd l\u00ea MC4<\/strong><\/td>\n<td>Staubli ch\u00ednh h\u00e3ng ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/td>\n<td>Si\u1ebft ch\u1eb7t \u0111ai \u1ed1c tuy\u1ebfn<\/td>\n<td>Ng\u0103n ng\u1eeba si\u1ebft qu\u00e1 ch\u1eb7t v\u00e0 l\u00e0m h\u1ecfng \u0111\u1ea7u n\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng<\/strong><\/td>\n<td>Ch\u1ebf \u0111\u1ed9 DCV + \u0110i\u1ec7n tr\u1edf<\/td>\n<td>Ki\u1ec3m tra ph\u00e2n c\u1ef1c &amp; l\u1ed7i<\/td>\n<td>C\u1ea7n thi\u1ebft cho vi\u1ec7c x\u00e1c minh an to\u00e0n<\/td>\n<\/tr>\n<tr>\n<td><strong>G\u0103ng tay c\u00e1ch \u0111i\u1ec7n<\/strong><\/td>\n<td>\u0110\u01b0\u1ee3c x\u1ebfp h\u1ea1ng 1000V<\/td>\n<td>B\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n<\/td>\n<td>Kh\u00f4ng th\u1ec3 ch\u1ea1m v\u00e0o DC m\u1ed9t c\u00e1ch an to\u00e0n khi kh\u00f4ng \u0111eo g\u0103ng tay<\/td>\n<\/tr>\n<tr>\n<td><strong>Tua v\u00edt l\u1ef1c<\/strong><\/td>\n<td>Ph\u1ea1m vi 0,5\u20132,5 Nm<\/td>\n<td>Si\u1ebft ch\u1eb7t kh\u1ed1i \u0111\u1ea7u cu\u1ed1i<\/td>\n<td>K\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra h\u1ecfa ho\u1ea1n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Pro M\u1eb9o:<\/strong> Nhi\u1ec1u chuy\u00ean gia v\u1ec1 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi s\u1eed d\u1ee5ng g\u0103ng tay \u201cl\u00e0m vi\u1ec7c ngu\u1ed9i\u201d (cao su c\u00f3 l\u1edbp l\u00f3t b\u00f4ng) b\u00ean ngo\u00e0i g\u0103ng tay c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 c\u00f3 \u0111\u1ed9 kh\u00e9o l\u00e9o t\u1ed1t h\u01a1n trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7.<\/p>\n<h3>B\u01b0\u1edbc 1: An to\u00e0n l\u00e0 tr\u00ean h\u1ebft \u2013 Hi\u1ec3u c\u00e1c m\u1ed1i nguy hi\u1ec3m<\/h3>\n<p>C\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi \u201clu\u00f4n b\u1eadt\u201d khi c\u00f3 \u00e1nh s\u00e1ng ban ng\u00e0y. Ngay c\u1ea3 trong m\u1ed9t ng\u00e0y nhi\u1ec1u m\u00e2y ho\u1eb7c khi b\u1ecb che b\u00f3ng m\u1ed9t ph\u1ea7n, ch\u00fang v\u1eabn t\u1ea1o ra \u0111i\u1ec7n \u00e1p DC nguy hi\u1ec3m.<\/p>\n<p><strong>C\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n quan tr\u1ecdng:<\/strong><\/p>\n<ol>\n<li><strong>Che t\u1ea5m pin:<\/strong> \u0110\u1eb7t m\u1ed9t t\u1ea5m b\u1ea1t ho\u1eb7c b\u00eca c\u1ee9ng \u043d\u0435\u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u044b\u0439 l\u00ean tr\u00ean d\u00e3y pin m\u1eb7t tr\u1eddi \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c t\u1ea1o ra \u0111i\u1ec7n. \u0110o \u0111i\u1ec7n \u00e1p tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u; n\u00f3 ph\u1ea3i \u0111\u1ecdc s\u1ed1 kh\u00f4ng.<\/li>\n<li><strong>Ng\u1eaft k\u1ebft n\u1ed1i b\u1ed9 c\u00e1ch ly DC:<\/strong> N\u1ebfu h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n bao g\u1ed3m m\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/dc-isolator-switches-essential-safety-components-for-solar-pv-systems\/\">C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i DC<\/a> (gi\u1eefa c\u00e1c t\u1ea5m pin v\u00e0 bi\u1ebfn t\u1ea7n), h\u00e3y chuy\u1ec3n n\u00f3 sang \u201cT\u1eaeT\u201d v\u00e0 x\u00e1c minh b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng.<\/li>\n<li><strong>S\u1eed D\u1ee5ng D\u1ee5ng C\u1ee5 C\u00e1ch \u0110i\u1ec7n:<\/strong> Tua v\u00edt kim lo\u1ea1i ti\u00eau chu\u1ea9n d\u1eabn \u0111i\u1ec7n. S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho c\u00f4ng vi\u1ec7c \u0111i\u1ec7n 1000V.<\/li>\n<li><strong>Mang \u0110\u1ed3 B\u1ea3o H\u1ed9 C\u00e1 Nh\u00e2n (PPE):<\/strong> G\u0103ng tay c\u00e1ch \u0111i\u1ec7n, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 gi\u00e0y \u0111\u1ebf cao su l\u00e0 b\u1eaft bu\u1ed9c.<\/li>\n<li><strong>Kh\u00f4ng bao gi\u1edd l\u00e0m vi\u1ec7c m\u1ed9t m\u00ecnh:<\/strong> Lu\u00f4n c\u00f3 m\u1ed9t ng\u01b0\u1eddi \u0111\u1ed3ng h\u00e0nh c\u00f3 th\u1ec3 g\u1ecdi d\u1ecbch v\u1ee5 kh\u1ea9n c\u1ea5p n\u1ebfu c\u1ea7n.<\/li>\n<\/ol>\n<p><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng:<\/strong> Ch\u1ec9 m\u1ed9t s\u01a1 su\u1ea5t nh\u1ecf khi c\u1ea7m d\u00e2y \u0111i\u1ec7n DC c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra rung t\u00e2m th\u1ea5t (VF). \u0110i\u1ec7n \u00e1p DC t\u1eeb t\u1ea5m pin m\u1eb7t tr\u1eddi, ngay c\u1ea3 t\u1eeb m\u1ed9t d\u00e3y nh\u1ecf 2\u20133 kW, th\u01b0\u1eddng l\u00e0 300\u2013600V\u2014cao h\u01a1n nhi\u1ec1u so v\u1edbi ng\u01b0\u1ee1ng 50V \u0111\u01b0\u1ee3c coi l\u00e0 g\u00e2y ch\u1ebft ng\u01b0\u1eddi.<\/p>\n<h3>B\u01b0\u1edbc 2: Chu\u1ea9n b\u1ecb D\u00e2y d\u1eabn PV<\/h3>\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb d\u00e2y d\u1eabn \u0111\u00fang c\u00e1ch l\u00e0 n\u01a1i m\u00e0 nhi\u1ec1u h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t b\u1eaft \u0111\u1ea7u g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<p><strong>Quy tr\u00ecnh Chi ti\u1ebft:<\/strong><\/p>\n<ol>\n<li><strong>\u0110o v\u00e0 C\u1eaft:<\/strong> C\u1eaft hai \u0111o\u1ea1n <a href=\"https:\/\/test.viox.com\/vi\/cable-size-types-mm-awg-bs-conversion-guide\/\">D\u00e2y PV 10 AWG<\/a>\u2014m\u1ed9t cho d\u00e2y d\u01b0\u01a1ng, m\u1ed9t cho d\u00e2y \u00e2m. Th\u00eam 6\u201312 inch chi\u1ec1u d\u00e0i b\u1ed5 sung \u0111\u1ec3 cho ph\u00e9p b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ea1y l\u1ea1i d\u00e2y m\u1edbi.<\/li>\n<li><strong>Tu\u1ed1t D\u00e2y:<\/strong> S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 tu\u1ed1t d\u00e2y ch\u00ednh x\u00e1c:\n<ul>\n<li>\u0110\u1eb7t d\u1ee5ng c\u1ee5 tu\u1ed1t d\u00e2y \u1edf m\u1ee9c 10 AWG.<\/li>\n<li>Ch\u00e8n \u0111\u1ea7u d\u00e2y v\u00e0 xoay d\u1ee5ng c\u1ee5 tu\u1ed1t d\u00e2y 2\u20133 l\u1ea7n.<\/li>\n<li>K\u00e9o l\u1edbp c\u00e1ch \u0111i\u1ec7n ra v\u1edbi \u00e1p l\u1ef1c nh\u1eb9 nh\u00e0ng.<\/li>\n<li>\u0110\u1ec3 h\u1edf <strong>1\/4 \u0111\u1ebfn 1\/2 inch (6\u201312mm)<\/strong> \u0111\u1ed3ng tr\u1ea7n.<\/li>\n<li><strong>Quan tr\u1ecdng:<\/strong> KH\u00d4NG l\u00e0m x\u01b0\u1edbc ho\u1eb7c c\u1eaft b\u1ea5t k\u1ef3 s\u1ee3i \u0111\u1ed3ng n\u00e0o\u2014m\u1ed7i v\u1ebft x\u01b0\u1edbc l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ki\u1ec3m tra \u0110\u1ed3ng:<\/strong> Nh\u00ecn v\u00e0o \u0111\u1ea7u h\u1edf d\u01b0\u1edbi \u00e1nh s\u00e1ng t\u1ed1t. T\u1ea5t c\u1ea3 \u0111\u1ed3ng ph\u1ea3i s\u00e1ng b\u00f3ng v\u00e0 nguy\u00ean v\u1eb9n. N\u1ebfu b\u1ea1n th\u1ea5y qu\u00e1 tr\u00ecnh oxy h\u00f3a m\u00e0u \u0111en, h\u00e3y s\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i d\u00e2y \u0111\u1ed3ng thau m\u1ec1m \u0111\u1ec3 l\u00e0m s\u1ea1ch n\u00f3.<\/li>\n<li><strong>Ki\u1ec3m tra V\u1ebft X\u01b0\u1edbc:<\/strong> Nh\u1eb9 nh\u00e0ng k\u00e9o l\u1edbp c\u00e1ch \u0111i\u1ec7n; n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c tr\u01b0\u1ee3t. N\u1ebfu n\u00f3 tr\u01b0\u1ee3t, h\u00e3y tu\u1ed1t l\u1ea1i v\u00e0 \u0111\u1ec3 h\u1edf m\u1ed9t ph\u1ea7n d\u00e2y d\u1eabn m\u1edbi.<\/li>\n<\/ol>\n<h3>B\u01b0\u1edbc 3: M\u1edf v\u00e0 Ki\u1ec3m tra H\u1ed9p \u0110\u1ea5u D\u00e2y<\/h3>\n<p><strong>C\u00e1i nh\u00ecn \u0110\u1ea7u ti\u00ean:<\/strong><\/p>\n<ol>\n<li>S\u1eed d\u1ee5ng m\u1ed9t tu\u1ed1c n\u01a1 v\u00edt \u0111\u1ea7u d\u1eb9t nh\u1ecf, c\u1ea9n th\u1eadn c\u1ea1y m\u1edf n\u1eafp h\u1ed9p \u0111\u1ea5u d\u00e2y. H\u1ea7u h\u1ebft c\u00e1c h\u1ed9p c\u00f3 4 \u1ed1c v\u00edt ho\u1eb7c n\u1eafp \u0111\u1eady. \u0110\u1ec3 \u1ed1c v\u00edt sang m\u1ed9t b\u00ean trong m\u1ed9t h\u1ed9p \u0111\u1ef1ng \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n.<\/li>\n<li>B\u00ean trong, b\u1ea1n s\u1ebd th\u1ea5y:\n<ul>\n<li><strong>Hai ho\u1eb7c ba \u0111\u1ea7u n\u1ed1i<\/strong> (\u00e2m, d\u01b0\u01a1ng v\u00e0 \u0111\u00f4i khi l\u00e0 \u0111\u1ea7u n\u1ed1i \u0111\u1ea5t).<\/li>\n<li><strong>\u0110i\u1ed1t b\u1ecf qua<\/strong> (c\u00e1c th\u00e0nh ph\u1ea7n h\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o d\u00e2y b\u00ean trong).<\/li>\n<li><strong>C\u00e1p PV b\u00ean trong<\/strong> (d\u00e2y m\u1ecfng nh\u01b0 d\u1ea3i b\u0103ng k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ed1t v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>C\u1ea3nh b\u00e1o:<\/strong> KH\u00d4NG l\u00e0m x\u00e1o tr\u1ed9n c\u00e1c \u0111i\u1ed1t b\u00ean trong ho\u1eb7c d\u00e2y d\u1ea3i b\u0103ng. Ch\u1ea1m v\u00e0o ch\u00fang c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ee9t c\u00e1c k\u1ebft n\u1ed1i b\u00ean trong v\u00e0 ph\u00e1 h\u1ee7y t\u1ea5m pin.<\/p>\n<ol>\n<li><strong>X\u00e1c \u0111\u1ecbnh V\u1ecb tr\u00ed \u0110\u00e1nh d\u1ea5u Ph\u00e2n c\u1ef1c:<\/strong>\n<ul>\n<li>T\u00ecm ki\u1ebfm <strong>(+)<\/strong> v\u00e0 <strong>(\u2013)<\/strong> bi\u1ec3u t\u01b0\u1ee3ng b\u00ean trong h\u1ed9p.<\/li>\n<li>D\u00e2y m\u00e0u \u0111\u1ecf th\u01b0\u1eddng k\u1ebft n\u1ed1i v\u1edbi (+); m\u00e0u \u0111en v\u1edbi (\u2013).<\/li>\n<li><strong>X\u00e1c minh b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng<\/strong> b\u1eb1ng c\u00e1ch ch\u1ea1m que \u0111o m\u00e0u \u0111\u1ecf v\u00e0o \u0111\u1ea7u n\u1ed1i (+) v\u00e0 m\u00e0u \u0111en v\u00e0o (\u2013); b\u1ea1n s\u1ebd th\u1ea5y \u0111i\u1ec7n \u00e1p m\u1ea1ch h\u1edf (Voc) kho\u1ea3ng 35\u201345V tr\u00ean m\u1ed7i t\u1ea5m pin.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-cross-section-diagram-of-a-solar-panel-junction-box-showing-internal-bypass-diodes-terminal-blocks-strain-relief-glands-and-proper-cable-routing.webp\" alt=\"Technical cross-section diagram of a solar panel junction box showing internal bypass diodes, terminal blocks, strain relief glands, and proper cable routing.\" style=\"max-width: 100%; height: auto;\"><\/p>\n<figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 2: S\u01a1 \u0111\u1ed3 m\u1eb7t c\u1eaft k\u1ef9 thu\u1eadt cho th\u1ea5y c\u00e1ch \u0111i d\u00e2y c\u00e1p \u0111\u00fang c\u00e1ch v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong c\u1ee7a h\u1ed9p \u0111\u1ea5u d\u00e2y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/figcaption>\n<\/figure>\n<h3>B\u01b0\u1edbc 4: Lu\u1ed3n D\u00e2y Qua \u1ed0ng Lu\u1ed3n C\u00e1p<\/h3>\n<p>\u1ed0ng lu\u1ed3n c\u00e1p (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ea7u n\u1ed1i gi\u1ea3m c\u0103ng) l\u00e0 n\u01a1i n\u01b0\u1edbc v\u00e0 b\u1ee5i th\u01b0\u1eddng x\u00e2m nh\u1eadp v\u00e0o h\u1ed9p \u0111\u1ea5u d\u00e2y.<\/p>\n<p><strong>K\u1ef9 thu\u1eadt L\u1eafp \u0111\u1eb7t Chuy\u00ean nghi\u1ec7p:<\/strong><\/p>\n<ol>\n<li><strong>X\u00e1c \u0111\u1ecbnh \u1ed0ng Lu\u1ed3n C\u00e1p:<\/strong> X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e1c \u0111\u1ea7u n\u1ed1i gi\u1ea3m c\u0103ng b\u1eb1ng cao su \u1edf b\u00ean tr\u00e1i (\u00e2m) v\u00e0 b\u00ean ph\u1ea3i (d\u01b0\u01a1ng) c\u1ee7a h\u1ed9p.<\/li>\n<li><strong>Lu\u1ed3n D\u00e2y \u00c2m:<\/strong> Tr\u01b0\u1ee3t c\u00e1p PV m\u00e0u \u0111en qua \u1ed1ng lu\u1ed3n c\u00e1p b\u00ean \u00e2m. \u0110ai \u1ed1c \u1ed1ng lu\u1ed3n c\u00e1p ph\u1ea3i si\u1ebft b\u1eb1ng tay (ch\u01b0a si\u1ebft qu\u00e1 ch\u1eb7t).<\/li>\n<li><strong>Lu\u1ed3n D\u00e2y D\u01b0\u01a1ng:<\/strong> L\u1eb7p l\u1ea1i v\u1edbi c\u00e1p m\u00e0u \u0111\u1ecf \u1edf b\u00ean d\u01b0\u01a1ng.<\/li>\n<li><strong>T\u1ea1o \u201cV\u00f2ng Ch\u1ed1ng N\u01b0\u1edbc\u201d:<\/strong> Tr\u01b0\u1edbc khi v\u00e0o h\u1ed9p, u\u1ed1n cong m\u1ed7i c\u00e1p th\u00e0nh h\u00ecnh ch\u1eef U h\u01b0\u1edbng xu\u1ed1ng d\u01b0\u1edbi kho\u1ea3ng 6 inch b\u00ean d\u01b0\u1edbi h\u1ed9p. \u0110i\u1ec1u n\u00e0y ng\u0103n m\u01b0a ch\u1ea3y d\u1ecdc theo c\u00e1p v\u00e0o \u1ed1ng lu\u1ed3n c\u00e1p.<\/li>\n<\/ol>\n<h3>B\u01b0\u1edbc 5: C\u1ed1 \u0111\u1ecbnh K\u1ebft n\u1ed1i v\u1edbi \u0110\u1ea7u n\u1ed1i<\/h3>\n<p>\u0110\u1ed9 ch\u1eb7t c\u1ee7a \u0111\u1ea7u n\u1ed1i l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n ch\u1ed1ng l\u1ea1i h\u1ecfa ho\u1ea1n.<\/p>\n<p><strong>Quy tr\u00ecnh Si\u1ebft L\u1ef1c \u0110\u1ea7u N\u1ed1i (NEC 690.31):<\/strong><\/p>\n<ol>\n<li><strong>\u0110\u1ecbnh v\u1ecb D\u00e2y:<\/strong> Ch\u00e8n \u0111\u1ea7u \u0111\u00e3 tu\u1ed1t c\u1ee7a c\u00e1p \u00e2m v\u00e0o \u0111\u1ea7u n\u1ed1i \u00e2m. \u0110\u1ea3m b\u1ea3o \u00edt nh\u1ea5t 1\/4 inch \u0111\u1ed3ng tr\u1ea7n n\u1eb1m b\u00ean trong \u0111\u1ea7u n\u1ed1i.<\/li>\n<li><strong>Si\u1ebft ch\u1eb7t b\u1eb1ng Tu\u1ed1c n\u01a1 v\u00edt L\u1ef1c:<\/strong> S\u1eed d\u1ee5ng tu\u1ed1c n\u01a1 v\u00edt l\u1ef1c 0,5\u20130,7 Nm (ho\u1eb7c tu\u1ed1c n\u01a1 v\u00edt th\u1ee7 c\u00f4ng, si\u1ebft ch\u1eb7t cho \u0111\u1ebfn khi \u201cv\u1eeba kh\u00edt c\u1ed9ng th\u00eam 1\/4 v\u00f2ng\u201d), c\u1ed1 \u0111\u1ecbnh v\u00edt \u0111\u1ea7u n\u1ed1i.<\/li>\n<li><strong>B\u00f3p Ch\u1eb7t Gi\u1ea3m C\u0103ng:<\/strong> S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 b\u1ea5m d\u00e2y \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng b\u1ea5m ch\u1eb7t ch\u1ebd xung quanh ph\u1ea7n h\u1edf c\u1ee7a c\u00e1p \u00e2m, ngay b\u00ean ngo\u00e0i \u0111\u1ea7u n\u1ed1i. \u0110i\u1ec1u n\u00e0y kh\u00f3a d\u00e2y t\u1ea1i ch\u1ed7 v\u00e0 ng\u0103n k\u00e9o d\u00e2y ra.<\/li>\n<li><strong>L\u1eb7p l\u1ea1i cho D\u01b0\u01a1ng:<\/strong> Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 cho d\u00e2y d\u01b0\u01a1ng (m\u00e0u \u0111\u1ecf).<\/li>\n<li><strong>X\u00e1c minh \u0110\u1ed9 Ch\u1eb7t:<\/strong> K\u00e9o m\u1ea1nh t\u1eebng d\u00e2y; n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c nh\u00fac nh\u00edch.<\/li>\n<\/ol>\n<p><strong>C\u00e1c L\u1ed7i Th\u01b0\u1eddng G\u1eb7p:<\/strong><\/p>\n<ul>\n<li>Xo\u1eafn d\u00e2y d\u1eabn nhi\u1ec1u s\u1ee3i l\u1ea1i v\u1edbi nhau v\u00e0 \u00e9p v\u00e0o \u0111\u1ea7u n\u1ed1i (s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i v\u00f2ng ho\u1eb7c ch\u0129a \u0111\u1ec3 ti\u1ebfp x\u00fac t\u1ed1t h\u01a1n).<\/li>\n<li>Si\u1ebft kh\u00f4ng \u0111\u1ee7 ch\u1eb7t (d\u1eabn \u0111\u1ebfn ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang v\u00e0 ch\u00e1y).<\/li>\n<li>Si\u1ebft qu\u00e1 ch\u1eb7t (c\u00f3 th\u1ec3 l\u00e0m g\u00e3y \u1ed1c v\u00edt c\u1ee7a \u0111\u1ea7u n\u1ed1i).<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 6: T\u00ecm Hi\u1ec3u v\u00e0 L\u1eafp \u0110\u1eb7t \u0110\u1ea7u N\u1ed1i MC4<\/h3>\n<p><a href=\"https:\/\/test.viox.com\/vi\/how-to-select-the-right-mc4-solar-connector\/\">\u0110\u1ea7u n\u1ed1i MC4<\/a> \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p v\u00ec ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, c\u00f3 kh\u00f3a \u0111\u1ec3 ng\u0103n ng\u1eeba ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u t\u1ea5m pin l\u1edbn.<\/p>\n<p><strong>C\u1ea5u T\u1ea1o c\u1ee7a \u0110\u1ea7u N\u1ed1i MC4:<\/strong><\/p>\n<ul>\n<li><strong>\u0110\u1ea7u N\u1ed1i \u0110\u1ef1c<\/strong> (d\u00f9ng cho d\u00e2y d\u01b0\u01a1ng\/d\u00e2y \u0111\u1ecf) \u2013 c\u00f3 ch\u00e2n kim lo\u1ea1i b\u00ean trong.<\/li>\n<li><strong>\u0110\u1ea7u N\u1ed1i C\u00e1i<\/strong> (d\u00f9ng cho d\u00e2y \u00e2m\/d\u00e2y \u0111en) \u2013 c\u00f3 \u1ed5 c\u1eafm b\u00ean trong.<\/li>\n<li><strong>Ch\u00e2n Kim Lo\u1ea1i B\u1ea5m<\/strong> \u2013 th\u00e0nh ph\u1ea7n quan tr\u1ecdng mang d\u00f2ng \u0111i\u1ec7n.<\/li>\n<li><strong>Gi\u1ea3m c\u0103ng th\u1eb3ng<\/strong> \u2013 v\u00f2ng nh\u1ef1a cung c\u1ea5p h\u1ed7 tr\u1ee3 c\u01a1 h\u1ecdc.<\/li>\n<li><strong>\u1ed0c Si\u1ebft C\u00e1p<\/strong> \u2013 n\u1eafp l\u01b0ng si\u1ebft ch\u1eb7t \u0111\u1ec3 t\u1ea1o l\u1edbp b\u1ecbt k\u00edn ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc.<\/li>\n<li><strong>V\u00f2ng \u0110\u1ec7m Cao Su O<\/strong> \u2013 ng\u0103n h\u01a1i \u1ea9m x\u00e2m nh\u1eadp.<\/li>\n<li><strong>M\u1ea5u Kh\u00f3a<\/strong> \u2013 \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i ch\u1eafc ch\u1eafn khi rung \u0111\u1ed9ng.<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Exploded-diagram-of-MC4-male-and-female-connector-assembly-showing-all-components-gland-nut-O-ring-crimp-pin-housing-and-assembly-sequence-Includes-torque-specifications-and-proper-seating-details.webp\" alt=\"Exploded diagram of MC4 male and female connector assembly showing all components and assembly sequence.\" style=\"max-width: 100%; height: auto;\"><\/p>\n<figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 3: S\u01a1 \u0111\u1ed3 th\u00e1o r\u1eddi tr\u00ecnh t\u1ef1 l\u1eafp r\u00e1p \u0111\u1ea7u n\u1ed1i MC4, bao g\u1ed3m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 l\u1ef1c si\u1ebft.<\/figcaption>\n<\/figure>\n<h3>B\u01b0\u1edbc 7: Ho\u00e0n Thi\u1ec7n Vi\u1ec7c B\u1ea5m \u0110\u1ea7u N\u1ed1i MC4<\/h3>\n<p>Vi\u1ec7c b\u1ea5m \u0111\u1ea7u n\u1ed1i kh\u00f4ng t\u1ed1t l\u00e0 nguy\u00ean nh\u00e2n #1 g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 v\u00e0 ch\u00e1y n\u1ed5 trong l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n m\u1eb7t tr\u1eddi. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p chuy\u00ean nghi\u1ec7p:<\/p>\n<p><strong>Quy tr\u00ecnh u\u1ed1n:<\/strong><\/p>\n<ol>\n<li><strong>Chu\u1ea9n B\u1ecb Ch\u00e2n Kim Lo\u1ea1i:<\/strong> L\u1ea5y m\u1ed9t ch\u00e2n b\u1ea5m b\u1eb1ng \u0111\u1ed3ng \u0111\u1ef1c (cho d\u00e2y d\u01b0\u01a1ng\/d\u00e2y \u0111\u1ecf) v\u00e0 ki\u1ec3m tra d\u01b0\u1edbi \u00e1nh s\u00e1ng. N\u00f3 ph\u1ea3i s\u00e1ng b\u00f3ng, kh\u00f4ng b\u1ecb oxy h\u00f3a.<\/li>\n<li><strong>C\u00e0i \u0110\u1eb7t K\u00ecm B\u1ea5m:<\/strong> S\u1eed d\u1ee5ng k\u00ecm b\u1ea5m MC4 c\u00f3 b\u00e1nh r\u0103ng v\u00e0 \u0111\u1eb7t n\u00f3 cho d\u00e2y 10 AWG. B\u00e1nh r\u0103ng \u0111\u1ea3m b\u1ea3o \u00e1p l\u1ef1c \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>Ch\u00e8n v\u00e0 B\u1ea5m:<\/strong> Tr\u01b0\u1ee3t \u0111\u1ea7u d\u00e2y \u0111\u1ecf \u0111\u00e3 tu\u1ed1t v\u1ecf ho\u00e0n to\u00e0n v\u00e0o \u1ed1ng c\u1ee7a ch\u00e2n b\u1ea5m. B\u00f3p tay c\u1ea7m k\u00ecm b\u1ea5m cho \u0111\u1ebfn khi n\u00f3 nh\u1ea3 ra (b\u1ea1n s\u1ebd nghe th\u1ea5y ti\u1ebfng \"t\u00e1ch\"). <em>click<\/em>).<\/li>\n<li><strong>X\u00e1c Minh V\u1ebft B\u1ea5m:<\/strong> K\u00e9o nh\u1eb9 d\u00e2y\u2014d\u00e2y kh\u00f4ng \u0111\u01b0\u1ee3c tr\u01b0\u1ee3t. N\u1ebfu n\u00f3 tr\u01b0\u1ee3t, v\u1ebft b\u1ea5m b\u1ecb l\u1ed7i; lo\u1ea1i b\u1ecf ch\u00e2n b\u1ea5m v\u00e0 th\u1eed l\u1ea1i.<\/li>\n<li><strong>Tr\u01b0\u1ee3t C\u00e1c Th\u00e0nh Ph\u1ea7n B\u1ea3o V\u1ec7:<\/strong> Tr\u01b0\u1edbc khi ch\u00e8n ch\u00e2n b\u1ea5m v\u00e0o v\u1ecf \u0111\u1ea7u n\u1ed1i, h\u00e3y tr\u01b0\u1ee3t c\u00e1c th\u00e0nh ph\u1ea7n sau l\u00ean d\u00e2y theo th\u1ee9 t\u1ef1:\n<ul>\n<li>\u1ed0c si\u1ebft c\u00e1p cao su (n\u1eafp l\u01b0ng)<\/li>\n<li>\u1ed0ng n\u00e9n<\/li>\n<li>V\u00f2ng \u0111\u1ec7m cao su O<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ch\u00e8n v\u00e0 Kh\u00f3a:<\/strong> \u0110\u1ea9y ch\u00e2n b\u1ea5m \u0111\u00e3 b\u1ea5m v\u00e0o v\u1ecf \u0111\u1ef1c MC4 cho \u0111\u1ebfn khi b\u1ea1n nghe th\u1ea5y ti\u1ebfng \"t\u00e1ch\" r\u00f5 r\u00e0ng. <em>click<\/em>.<\/li>\n<li><strong>Si\u1ebft Ch\u1eb7t \u1ed0c Si\u1ebft:<\/strong> S\u1eed d\u1ee5ng c\u1edd l\u00ea MC4 \u0111\u1ec3 si\u1ebft ch\u1eb7t \u0111ai \u1ed1c ph\u00eda sau kho\u1ea3ng <strong>3.4 Nm (25 in-lbs)<\/strong>. K\u1ebft n\u1ed1i ph\u1ea3i ch\u1eb7t b\u1eb1ng tay v\u00e0 kh\u00f4ng c\u00f3 khe h\u1edf nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>L\u1eb7p L\u1ea1i cho D\u00e2y \u00c2m:<\/strong> Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i c\u00e1i cho d\u00e2y \u0111en\/d\u00e2y \u00e2m.<\/li>\n<\/ol>\n<p><strong>Ki\u1ec3m Tra Quan Tr\u1ecdng:<\/strong><\/p>\n<ul>\n<li><strong>Ki\u1ec3m Tra:<\/strong> Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00f3ng ch\u1ea3y, \u0111\u1ed5i m\u00e0u ho\u1eb7c cong v\u00eanh c\u1ee7a nh\u1ef1a.<\/li>\n<li><strong>Ki\u1ec3m Tra \u201cTi\u1ebfng T\u00e1ch\u201d:<\/strong> C\u00e1c \u0111\u1ea7u n\u1ed1i ph\u1ea3i gh\u00e9p n\u1ed1i v\u1edbi m\u1ed9t ti\u1ebfng t\u00e1ch r\u00f5 r\u00e0ng.<\/li>\n<li><strong>Ki\u1ec3m Tra Nhi\u1ec7t \u0110\u1ed9:<\/strong> Sau khi l\u1eafp \u0111\u1eb7t, s\u1eed d\u1ee5ng camera nhi\u1ec7t \u0111\u1ec3 x\u00e1c minh r\u1eb1ng \u0111\u1ea7u n\u1ed1i kh\u00f4ng n\u00f3ng h\u01a1n c\u00e1p xung quanh.<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Professional-MC4-connector-crimping-technique-showing-a-ratcheting-crimper-tool-securing-a-copper-pin-onto-10-AWG-PV-wire-with-insulated-gloves-and-verification-multimeter-visible.webp\" alt=\"Professional MC4 connector crimping technique showing a ratcheting crimper tool securing a copper pin onto 10 AWG PV wire.\" style=\"max-width: 100%; height: auto;\"><\/p>\n<figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 4: K\u1ef9 thu\u1eadt b\u1ea5m \u0111\u1ea7u n\u1ed1i MC4 \u0111\u00fang c\u00e1ch b\u1eb1ng d\u1ee5ng c\u1ee5 c\u00f3 b\u00e1nh r\u0103ng v\u00e0 g\u0103ng tay c\u00e1ch \u0111i\u1ec7n.<\/figcaption>\n<\/figure>\n<h3>B\u01b0\u1edbc 8: N\u1ed1i D\u00e0i C\u00e1p PV<\/h3>\n<p>H\u1ea7u h\u1ebft c\u00e1c c\u00e0i \u0111\u1eb7t y\u00eau c\u1ea7u c\u00e1p d\u00e0i h\u01a1n c\u00e1p ra kh\u1ecfi h\u1ed9p \u0111\u1ea5u n\u1ed1i. VIOX s\u1ea3n xu\u1ea5t c\u00e1p PV v\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/how-to-select-the-right-mc4-solar-connector\/\">\u0110\u1ea7u n\u1ed1i MC4<\/a> \u0111\u1ec3 n\u1ed1i d\u00e0i an to\u00e0n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p><strong>L\u1eafp \u0110\u1eb7t C\u00e1p N\u1ed1i D\u00e0i:<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\" style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Chi\u1ec1u D\u00e0i C\u00e1p<\/th>\n<th>AWG Khuy\u1ebfn Ngh\u1ecb<\/th>\n<th>S\u1ee5t \u00e1p<\/th>\n<th>T\u1ea1i Sao \u0110i\u1ec1u N\u00e0y Quan Tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>0\u201350 ft<\/strong><\/td>\n<td>10 AWG<\/td>\n<td>&lt;2%<\/td>\n<td>Ti\u00eau chu\u1ea9n d\u00e2n d\u1ee5ng; kh\u00f4ng m\u1ea5t hi\u1ec7u su\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td><strong>50\u2013100 ft<\/strong><\/td>\n<td>8 AWG<\/td>\n<td>~2%<\/td>\n<td>C\u00e1c \u0111o\u1ea1n ch\u1ea1y d\u00e0i h\u01a1n y\u00eau c\u1ea7u d\u00e2y d\u1eabn l\u1edbn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td><strong>100\u2013200 ft<\/strong><\/td>\n<td>6 AWG<\/td>\n<td>~1.5%<\/td>\n<td>C\u00e1c m\u1ea3ng th\u01b0\u01a1ng m\u1ea1i\/g\u1eafn tr\u00ean m\u1eb7t \u0111\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td><strong>&gt;60 m\u00e9t<\/strong><\/td>\n<td>D\u00e2y 4 AWG ho\u1eb7c \u0111\u1ea5u song song<\/td>\n<td>&lt;1%<\/td>\n<td>Quy m\u00f4 ti\u1ec7n \u00edch; h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u00e1p cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Quy tr\u00ecnh m\u1edf r\u1ed9ng:<\/strong><\/p>\n<ol>\n<li>Chu\u1ea9n b\u1ecb \u0111\u1ea7u c\u00e1p m\u1edf r\u1ed9ng (tu\u1ed1t 1\/4\u20131\/2 inch) v\u00e0 b\u1ea5m \u0111\u1ea7u n\u1ed1i MC4 th\u00edch h\u1ee3p b\u1eb1ng k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u00f4 t\u1ea3 trong B\u01b0\u1edbc 7.<\/li>\n<li><strong>Quan tr\u1ecdng:<\/strong> D\u01b0\u01a1ng k\u1ebft n\u1ed1i v\u1edbi d\u01b0\u01a1ng (\u0111\u1ef1c v\u1edbi \u0111\u1ef1c th\u00f4ng qua kh\u1edbp n\u1ed1i c\u00e1i), \u00e2m k\u1ebft n\u1ed1i v\u1edbi \u00e2m.<\/li>\n<li>C\u1ed1 \u0111\u1ecbnh c\u00e1p v\u00e0o m\u00e1i nh\u00e0 ho\u1eb7c gi\u00e1 \u0111\u1ee1 b\u1eb1ng k\u1eb9p c\u00e1p ch\u1ed1ng tia UV sau m\u1ed7i 3 feet.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o c\u00e1p kh\u00f4ng b\u1ecb treo t\u1ef1 do (tr\u1ecdng l\u01b0\u1ee3ng g\u00e2y \u1ee9ng su\u1ea5t k\u1ebft n\u1ed1i b\u00ean trong).<\/li>\n<li>D\u00e1n nh\u00e3n c\u1ea3 hai c\u00e1p t\u1ea1i h\u1ed9p \u0111\u1ea5u n\u1ed1i v\u00e0 bi\u1ebfn t\u1ea7n b\u1eb1ng th\u1ebb m\u00e0u ho\u1eb7c th\u1ebb in.<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Complete-solar-photovoltaic-system-wiring-schematic-showing-solar-panel-junction-boxes-field-installed-MC4-connectors-extension-cables-VIOX-combiner-box-DC-disconnect-switch-and-inverter.webp\" alt=\"Complete solar photovoltaic system wiring schematic showing solar panel junction boxes, field-installed MC4 connectors, extension cables, VIOX combiner box, DC disconnect switch, and inverter.\" style=\"max-width: 100%; height: auto;\"><\/p>\n<figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">H\u00ecnh 5: S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y ho\u00e0n ch\u1ec9nh c\u1ee7a h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi, t\u1eeb h\u1ed9p \u0111\u1ea5u n\u1ed1i \u0111\u1ebfn bi\u1ebfn t\u1ea7n.<\/figcaption>\n<\/figure>\n<h3>B\u01b0\u1edbc 9: Ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u1ea7u n\u1ed1i MC4<\/h3>\n<p>Ng\u1eaft k\u1ebft n\u1ed1i an to\u00e0n ng\u0103n ng\u1eeba th\u01b0\u01a1ng t\u00edch do h\u1ed3 quang \u0111i\u1ec7n v\u00e0 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/p>\n<p><strong>Quy tr\u00ecnh ng\u1eaft k\u1ebft n\u1ed1i an to\u00e0n:<\/strong><\/p>\n<ol>\n<li><strong>T\u1eaft bi\u1ebfn t\u1ea7n:<\/strong> \u0110\u1eb7t bi\u1ebfn t\u1ea7n \u1edf ch\u1ebf \u0111\u1ed9 \u201cch\u1edd\u201d ho\u1eb7c \u201ct\u1eaft\u201d.<\/li>\n<li><strong>X\u00e1c minh \u0111i\u1ec7n \u00e1p b\u1eb1ng kh\u00f4ng:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 x\u00e1c nh\u1eadn 0V DC gi\u1eefa c\u00e1c \u0111\u1ea7u n\u1ed1i.<\/li>\n<li><strong>S\u1eed d\u1ee5ng c\u1edd l\u00ea MC4:<\/strong> C\u0103n ch\u1ec9nh c\u00e1c ng\u1ea1nh c\u1ee7a c\u1edd l\u00ea v\u1edbi c\u00e1c tab kh\u00f3a tr\u00ean \u0111\u1ea7u n\u1ed1i c\u00e1i v\u00e0 nh\u1eb9 nh\u00e0ng k\u00e9o ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 nh\u1ea3 kh\u00f3a c\u01a1 h\u1ecdc.<\/li>\n<li><strong>T\u00e1ch t\u1eeb t\u1eeb:<\/strong> Khi kh\u00f3a nh\u1ea3, c\u1ea9n th\u1eadn k\u00e9o c\u00e1c \u0111\u1ea7u n\u1ed1i ra. KH\u00d4NG gi\u1eadt m\u1ea1nh.<\/li>\n<li><strong>Che c\u00e1c \u0111\u1ea7u n\u1ed1i h\u1edf:<\/strong> N\u1ebfu d\u00e3y pin m\u1eb7t tr\u1eddi s\u1ebd b\u1ecb ng\u1eaft \u0111i\u1ec7n trong h\u01a1n v\u00e0i gi\u1edd, h\u00e3y che c\u00e1c \u0111\u1ea7u n\u1ed1i d\u01b0\u01a1ng h\u1edf b\u1eb1ng b\u0103ng d\u00ednh ho\u1eb7c n\u1eafp c\u00e1ch \u0111i\u1ec7n.<\/li>\n<\/ol>\n<p><strong>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u1ea7u n\u1ed1i c\u00f3 \u0111i\u1ec7n tr\u1edf cao:<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\" style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Tri\u1ec7u ch\u1ee9ng<\/th>\n<th>G\u00e2y ra<\/th>\n<th>Gi\u1ea3i ph\u00e1p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0110\u1ea7u n\u1ed1i \u1ea5m khi ch\u1ea1m v\u00e0o<\/strong><\/td>\n<td>B\u1ea5m \u0111i\u1ec7n tr\u1edf cao ho\u1eb7c ch\u00e2n l\u1ecfng<\/td>\n<td>Ng\u1eaft k\u1ebft n\u1ed1i, b\u1ea5m l\u1ea1i b\u1eb1ng ch\u00e2n m\u1edbi ho\u1eb7c thay th\u1ebf \u0111\u1ea7u n\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td><strong>Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng li\u00ean t\u1ee5c ho\u1eb7c \u0111i\u1ec7n \u00e1p th\u1ea5p<\/strong><\/td>\n<td>\u0102n m\u00f2n tr\u00ean ch\u00e2n ho\u1eb7c kh\u00f3a kh\u00f4ng ho\u00e0n ch\u1ec9nh<\/td>\n<td>S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c; l\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf \u0111\u1ea7u n\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ea7u n\u1ed1i d\u1ec5 d\u00e0ng k\u00e9o ra<\/strong><\/td>\n<td>C\u00e1c tab kh\u00f3a kh\u00f4ng \u0111\u01b0\u1ee3c g\u00e0i<\/td>\n<td>G\u1eafn l\u1ea1i ch\u1eafc ch\u1eafn cho \u0111\u1ebfn khi nghe th\u1ea5y ti\u1ebfng t\u00e1ch r\u00f5 r\u00e0ng; n\u1ebfu v\u1eabn l\u1ecfng, h\u00e3y thay th\u1ebf v\u1ecf<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u01a1i \u1ea9m b\u00ean trong \u0111\u1ea7u n\u1ed1i<\/strong><\/td>\n<td>\u0110ai \u1ed1c tuy\u1ebfn c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t; V\u00f2ng ch\u1eef O b\u1ecb h\u1ecfng<\/td>\n<td>Th\u00e1o r\u1eddi, l\u00e0m kh\u00f4 ho\u00e0n to\u00e0n, thay th\u1ebf v\u00f2ng ch\u1eef O, l\u1eafp r\u00e1p l\u1ea1i v\u1edbi m\u00f4-men xo\u1eafn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ti\u00eau chu\u1ea9n tu\u00e2n th\u1ee7 &amp; an to\u00e0n<\/h3>\n<p><strong>Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ee7a b\u1ea1n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh sau:<\/strong><\/p>\n<ul>\n<li><strong>NEC 690<\/strong> (Quy t\u1eafc \u0111i\u1ec7n qu\u1ed1c gia, H\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi) \u2013 <a href=\"https:\/\/test.viox.com\/vi\/nec-690-12-rapid-shutdown-passive-component-strategy\/\">M\u00f4-men xo\u1eafn \u0111\u1ea7u cu\u1ed1i, k\u00edch th\u01b0\u1edbc d\u00e2y, quy tr\u00ecnh ng\u1eaft k\u1ebft n\u1ed1i<\/a>.<\/li>\n<li><strong>IEC 61010<\/strong> (Ti\u00eau chu\u1ea9n an to\u00e0n cho thi\u1ebft b\u1ecb \u0111o \u0111i\u1ec7n) \u2013 Giao th\u1ee9c ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m.<\/li>\n<li><strong>UL 4703<\/strong> (Ti\u00eau chu\u1ea9n d\u00e2y PV) \u2013 \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV v\u00e0 \u0111\u1ecbnh m\u1ee9c nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><strong>X\u1ebfp h\u1ea1ng IP65\/IP67<\/strong> \u2013 H\u1ed9p \u0111\u1ea5u n\u1ed1i c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho tia n\u01b0\u1edbc (IP65) ho\u1eb7c ng\u00e2m t\u1ea1m th\u1eddi (IP67).<\/li>\n<li><strong>Ki\u1ec3m tra \u0111i\u1ed1t b\u1ecf qua<\/strong> \u2013 S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 \u0111i\u1ed1t c\u1ee7a \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 x\u00e1c minh m\u1ed7i \u0111i\u1ed1t ch\u1ec9 d\u1eabn \u0111i\u1ec7n theo m\u1ed9t h\u01b0\u1edbng.<\/li>\n<\/ul>\n<h3>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h3>\n<ol>\n<li><strong>Chu\u1ea9n b\u1ecb \u0111\u00fang c\u00e1ch ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1:<\/strong> L\u00e0m s\u1ea1ch \u0111\u1ed3ng, ch\u1ecdn \u0111\u00fang k\u00edch th\u01b0\u1edbc d\u00e2y v\u00e0 tu\u1ed1t d\u00e2y ch\u00ednh x\u00e1c gi\u00fap gi\u1ea3m 95% l\u1ed7i l\u1eafp \u0111\u1eb7t.<\/li>\n<li><strong>\u0110\u1ed9 ch\u1eb7t c\u1ee7a \u0111\u1ea7u cu\u1ed1i l\u00e0 r\u1ea5t quan tr\u1ecdng:<\/strong> S\u1eed d\u1ee5ng tu\u1ed1c n\u01a1 v\u00edt l\u1ef1c v\u00e0 x\u00e1c minh t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c an to\u00e0n v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc.<\/li>\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng b\u1ea5m MC4 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 tin c\u1eady:<\/strong> Ch\u1ec9 s\u1eed d\u1ee5ng k\u00ecm b\u1ea5m c\u00f3 b\u00e1nh r\u0103ng, \u0111\u1ea7u n\u1ed1i Staubli ch\u00ednh h\u00e3ng v\u00e0 x\u00e1c minh ti\u1ebfng \u201ct\u00e1ch\u201d tr\u00ean m\u1ecdi ch\u00e2n.<\/li>\n<li><strong>An to\u00e0n quan tr\u1ecdng h\u01a1n t\u1ed1c \u0111\u1ed9:<\/strong> Che t\u1ea5m pin, s\u1eed d\u1ee5ng PPE v\u00e0 x\u00e1c minh \u0111i\u1ec7n \u00e1p b\u1eb1ng kh\u00f4ng tr\u01b0\u1edbc m\u1ed7i b\u01b0\u1edbc l\u00e0m vi\u1ec7c.<\/li>\n<li><strong>H\u01a1i \u1ea9m l\u00e0 k\u1ebb gi\u1ebft ng\u01b0\u1eddi th\u1ea7m l\u1eb7ng:<\/strong> \u0110\u1ea3m b\u1ea3o v\u00f2ng ch\u1ed1ng nh\u1ecf gi\u1ecdt, \u0111ai \u1ed1c tuy\u1ebfn c\u00e1p ch\u1eb7t, v\u00f2ng ch\u1eef O c\u00f2n nguy\u00ean v\u1eb9n v\u00e0 c\u00e1c \u0111i\u1ec3m v\u00e0o c\u00e1p \u0111\u01b0\u1ee3c ni\u00eam phong.<\/li>\n<li><strong>Ki\u1ec3m tra tr\u01b0\u1edbc khi c\u1ea5p \u0111i\u1ec7n:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 x\u00e1c minh c\u1ef1c t\u00ednh, t\u00ednh li\u00ean t\u1ee5c v\u00e0 \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i v\u1edbi <a href=\"https:\/\/test.viox.com\/vi\/how-to-connect-solar-panel-to-combiner-box\/\">bi\u1ebfn t\u1ea7n ho\u1eb7c h\u1ed9p k\u1ebft h\u1ee3p<\/a>.<\/li>\n<\/ol>\n<h3>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h3>\n<p><strong>C\u00e2u h\u1ecfi 1: T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng d\u00e2y \u0111i\u1ec7n ti\u00eau chu\u1ea9n thay v\u00ec d\u00e2y PV ch\u1ed1ng tia UV kh\u00f4ng?<\/strong><\/p>\n<p>Tr\u1ea3 l\u1eddi: Kh\u00f4ng. L\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a d\u00e2y ti\u00eau chu\u1ea9n b\u1ecb xu\u1ed1ng c\u1ea5p d\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp trong v\u00f2ng 6\u201312 th\u00e1ng. D\u00e2y PV (\u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng USE-2) \u0111\u01b0\u1ee3c pha ch\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tia UV trong h\u01a1n 25 n\u0103m.<\/p>\n<p><strong>C\u00e2u h\u1ecfi 2: T\u00f4i n\u00ean s\u1eed d\u1ee5ng c\u1ee1 d\u00e2y n\u00e0o n\u1ebfu c\u00e1c t\u1ea5m pin c\u1ee7a t\u00f4i c\u00e1ch bi\u1ebfn t\u1ea7n h\u01a1n 100 feet?<\/strong><\/p>\n<p>\u0110: S\u1eed d\u1ee5ng d\u00e2y 8 AWG cho c\u00e1c \u0111o\u1ea1n d\u00e2y d\u00e0i 50\u2013100 feet, ho\u1eb7c 6 AWG cho kho\u1ea3ng c\u00e1ch xa h\u01a1n. M\u1ed7i khi kho\u1ea3ng c\u00e1ch t\u0103ng g\u1ea5p \u0111\u00f4i, c\u1ea7n t\u0103ng m\u1ed9t c\u1ee1 d\u00e2y \u0111\u1ec3 gi\u1eef cho s\u1ee5t \u00e1p d\u01b0\u1edbi 3%.<\/p>\n<p><strong>H3: T\u1ea1i sao \u0111\u1ea7u n\u1ed1i MC4 c\u1ee7a t\u00f4i l\u1ea1i b\u1ecb n\u00f3ng?<\/strong><\/p>\n<p>\u0110: Nhi\u1ec7t \u0111\u1ed9 cao cho th\u1ea5y \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac l\u1edbn, th\u01b0\u1eddng l\u00e0 do b\u1ea5m \u0111\u1ea7u cos kh\u00f4ng ch\u1eb7t, b\u1ecb \u0103n m\u00f2n ho\u1eb7c d\u00e2y d\u1eabn kh\u00f4ng \u0111\u1ee7 k\u00edch th\u01b0\u1edbc. Ng\u1eaft k\u1ebft n\u1ed1i ngay l\u1eadp t\u1ee9c v\u00e0 ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c.<\/p>\n<p><strong>H4: T\u00f4i c\u00f3 th\u1ec3 tr\u1ed9n l\u1eabn \u0111\u1ea7u n\u1ed1i MC4 c\u1ee7a Staubli v\u00e0 c\u00e1c nh\u00e3n hi\u1ec7u \u201ct\u01b0\u01a1ng th\u00edch\u201d kh\u00e1c kh\u00f4ng?<\/strong><\/p>\n<p>\u0110: \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra h\u1ecfa ho\u1ea1n trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Kh\u00f4ng bao gi\u1edd tr\u1ed9n l\u1eabn c\u00e1c nh\u00e3n hi\u1ec7u. Ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t nh\u00e3n hi\u1ec7u (t\u1ed1t nh\u1ea5t l\u00e0 Staubli ch\u00ednh h\u00e3ng) cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>H5: T\u00f4i n\u00ean ki\u1ec3m tra h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n trong h\u1ed9p \u0111\u1ea5u d\u00e2y c\u1ee7a m\u00ecnh bao l\u00e2u m\u1ed9t l\u1ea7n?<\/strong><\/p>\n<p>\u0110: Ki\u1ec3m tra h\u00e0ng n\u0103m ho\u1eb7c sau th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t. S\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m n\u00f3ng.<\/p>\n<p><strong>H6: H\u1ed9p \u0111\u1ea5u d\u00e2y c\u1ee7a t\u00f4i c\u00f3 c\u1ea7n n\u1ed1i \u0111\u1ea5t kh\u00f4ng?<\/strong><\/p>\n<p>\u0110: C\u00f3, theo NEC 690.43. T\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i kh\u00f4ng mang \u0111i\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u1eb9p n\u1ed1i \u0111\u1ea5t \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea theo UL 2703.<\/p>\n<h3>T\u00e0i nguy\u00ean VIOX li\u00ean quan<\/h3>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn th\u00eam v\u1ec1 vi\u1ec7c t\u00edch h\u1ee3p h\u1ed9p \u0111\u1ea5u d\u00e2y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n v\u00e0o h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n, h\u00e3y kh\u00e1m ph\u00e1 c\u00e1c b\u00e0i vi\u1ebft VIOX sau:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/how-to-connect-solar-panel-to-combiner-box\/\">C\u00e1ch k\u1ebft n\u1ed1i t\u1ea5m pin m\u1eb7t tr\u1eddi v\u1edbi h\u1ed9p k\u1ebft h\u1ee3p<\/a><\/strong> \u2013 H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 c\u00e1ch \u0111\u1ea5u d\u00e2y \u0111\u1ec3 k\u1ebft h\u1ee3p nhi\u1ec1u chu\u1ed7i t\u1ea5m pin.<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/how-to-wire-solar-panels-combiner-box-safely\/\">C\u00e1ch \u0111\u1ea5u d\u00e2y an to\u00e0n c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi v\u00e0o h\u1ed9p k\u1ebft h\u1ee3p<\/a><\/strong> \u2013 Quy tr\u00ecnh l\u1eafp \u0111\u1eb7t chuy\u00ean nghi\u1ec7p v\u00e0 c\u00e1c quy t\u1eafc an to\u00e0n.<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/dc-isolator-switches-essential-safety-components-for-solar-pv-systems\/\">C\u00f4ng t\u1eafc c\u00e1ch ly DC: C\u00e1c th\u00e0nh ph\u1ea7n an to\u00e0n thi\u1ebft y\u1ebfu<\/a><\/strong> \u2013 T\u00ecm hi\u1ec3u v\u1ec1 v\u1ecb tr\u00ed v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 ng\u1eaft k\u1ebft n\u1ed1i DC.<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/the-complete-guide-to-solar-panel-connectors-types-installation-and-best-practices\/\">H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 \u0111\u1ea7u n\u1ed1i t\u1ea5m pin m\u1eb7t tr\u1eddi<\/a><\/strong> \u2013 H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n MC4 v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/how-to-select-the-right-mc4-solar-connector\/\">C\u00e1ch ch\u1ecdn \u0111\u1ea7u n\u1ed1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi MC4 ph\u00f9 h\u1ee3p<\/a><\/strong> \u2013 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/cable-size-types-mm-awg-bs-conversion-guide\/\">H\u01b0\u1edbng d\u1eabn v\u1ec1 k\u00edch th\u01b0\u1edbc, lo\u1ea1i c\u00e1p (mm\u00b2 so v\u1edbi AWG)<\/a><\/strong> \u2013 X\u00e1c \u0111\u1ecbnh c\u1ee1 d\u00e2y ch\u00ednh x\u00e1c cho c\u00e1c \u0111o\u1ea1n c\u00e1p c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h3>K\u1ebft lu\u1eadn<\/h3>\n<p>\u0110\u1ea5u d\u00e2y ch\u00ednh x\u00e1c h\u1ed9p \u0111\u1ea5u d\u00e2y t\u1ea5m pin m\u1eb7t tr\u1eddi l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng PV an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 l\u00e2u d\u00e0i. B\u1eb1ng c\u00e1ch tu\u00e2n theo h\u01b0\u1edbng d\u1eabn n\u00e0y\u2014s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p, tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 m\u00f4-men xo\u1eafn v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n chuy\u00ean nghi\u1ec7p\u2014b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng kho\u1ea3n \u0111\u1ea7u t\u01b0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u trong h\u01a1n 25 n\u0103m.<\/p>\n<\/div>\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Wiring a solar panel junction box is the critical foundation of any photovoltaic (PV) system&#8217;s reliability and safety. Whether you&#8217;re installing a small residential array or a larger commercial system, understanding how to properly wire and connect your solar panels directly impacts system efficiency, longevity, and\u2014most importantly\u2014safety. Improperly wired junction boxes are a leading [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11194,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/11192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=11192"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/11192\/revisions"}],"predecessor-version":[{"id":21332,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/11192\/revisions\/21332"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/11194"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=11192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=11192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=11192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}