{"id":3479,"date":"2018-04-26T09:55:26","date_gmt":"2018-04-26T02:55:26","guid":{"rendered":"http:\/\/mese.vn\/?p=3479"},"modified":"2019-12-16T10:40:27","modified_gmt":"2019-12-16T03:40:27","slug":"ung-dung-thiet-bi-bender-trong-giam-sat-dien-tro-cach-dien-he-thong-dien-nang-luong-mat-troi-khong-noi-dat","status":"publish","type":"post","link":"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/ung-dung-thiet-bi-bender-trong-giam-sat-dien-tro-cach-dien-he-thong-dien-nang-luong-mat-troi-khong-noi-dat.html","title":{"rendered":"A-ISOMETER@iso-PV gi\u00e1m s\u00e1t, t\u00ecm ki\u1ebfm l\u1ed7i ch\u1ea1m \u0111\u1ea5t m\u1ed9t chi\u1ec1u cho nh\u00e0 m\u00e1y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi"},"content":{"rendered":"<p><strong>T\u1ed5ng quan<\/strong><\/p>\n<p>Ng\u00e0y nay, c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean th\u1ebf gi\u1edbi. Ph\u00eda m\u1ed9t chi\u1ec1u c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t tr\u1ef1c ti\u1ebfp t\u1ea1i m\u1ed9t c\u1ef1c, kh\u00f4ng n\u1ed1i \u0111\u1ea5t ho\u1eb7c n\u1ed1i \u0111\u1ea5t \u1edf ph\u00eda AC. H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 c\u00e1ch ly ho\u00e0n to\u00e0n ho\u1eb7c kh\u00f4ng c\u00e1ch ly gi\u1eefa ph\u00eda AC v\u00e0 DC. C\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf n\u00e0y \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u00e1p \u1ee9ng h\u1ec7 th\u1ed1ng v\u1edbi s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t, l\u00e0m t\u0103ng s\u1ef1 ph\u1ee9c t\u1ea1p trong thi\u1ebft k\u1ebf b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t.<\/p>\n<p>B\u00e0i vi\u1ebft \u0111i\u1ec3m qua hai c\u1ea5u h\u00ecnh m\u1ea1ng n\u1ed1i \u0111\u1ea5t DC v\u00e0 ph\u01b0\u01a1ng \u00e1n b\u1ea3o v\u1ec7, \u0111\u1ecbnh v\u1ecb l\u1ed7i ch\u1ea1m \u0111\u1ea5t DC ph\u1ed5 bi\u1ebfn hi\u1ec7n nay trong c\u00e1c nh\u00e0 m\u00e1y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi tr\u00ean th\u1ebf gi\u1edbi:<\/p>\n<p><strong>1. H\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi s\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh n\u1ed1i \u0111\u1ea5t ph\u00eda DC<\/strong><\/p>\n<p>C\u1ea5u h\u00ecnh ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u1ea1i M\u1ef9 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u01b0\u01a1ng m\u1ea1i hi\u1ec7n nay l\u00e0 n\u1ed1i \u0111\u1ea5t ph\u00eda m\u1ed9t chi\u1ec1u v\u00e0 c\u00e1ch ly ho\u00e0n to\u00e0n v\u1edbi ph\u00eda xoay chi\u1ec1u. C\u1ea5u h\u00ecnh n\u00e0y s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 ngh\u1ecbch l\u01b0u, ph\u1ea7n l\u1edbn \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t m\u1ed9t c\u1ef1c c\u1ee7a ph\u00eda DC th\u00f4ng qua m\u1ed9t c\u1ea7u ch\u00ec ho\u1eb7c m\u1ed9t b\u1ed9 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng. \u0110\u1ea7u ra c\u1ee7a c\u00e1c b\u1ed9 ngh\u1ecbch l\u01b0u s\u1eed d\u1ee5ng m\u00e1y bi\u1ebfn \u00e1p c\u00e1ch ly nh\u1eb1m c\u00e1ch ly to\u00e0n b\u1ed9 ph\u00eda DC v\u1edbi l\u01b0\u1edbi. M\u1ed9t s\u1ed1 b\u1ed9 ngh\u1ecbch l\u01b0u nh\u1ecf c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c m\u00e1y bi\u1ebfn \u00e1p t\u1ea7n s\u1ed1 cao trong c\u00e1c m\u1ea1ch \u0111\u00f3ng c\u1eaft DC.<\/p>\n<p>Ti\u00eau chu\u1ea9n M\u1ef9 UL 1741 ch\u1ec9 r\u00f5 y\u00eau c\u1ea7u v\u1ec1 gi\u00e1 tr\u1ecb t\u1ed1i \u0111a cho c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng cho c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n v\u00e0 c\u1eaft s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t trong c\u00e1c m\u1ea1ch ngh\u1ecbch l\u01b0u quang \u0111i\u1ec7n. Nh\u01b0 \u1edf b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y, gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng su\u1ea5t c\u1ee7a b\u1ed9 ngh\u1ecbch l\u01b0u.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3492\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1-8.png\" alt=\"\" width=\"471\" height=\"121\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2018\/04\/1-8.png 607w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2018\/04\/1-8-604x156.png 604w\" sizes=\"auto, (max-width: 471px) 100vw, 471px\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0Tr\u01b0\u1edbc khi x\u00e2y d\u1ef1ng l\u00ean b\u1ea3ng n\u00e0y, ti\u00eau chu\u1ea9n kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u v\u1ec1 ng\u1eaft s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t. Nh\u1eefng s\u1eeda \u0111\u1ed5i \u0111\u01b0\u1ee3c b\u1ed5 xung v\u00e0o trong m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra l\u1ed7i ch\u1ea1m \u0111\u1ea5t m\u1ed9t pha trong h\u1ec7 th\u1ed1ng t\u1ea1i \u0111i\u1ec7n c\u1ef1c kh\u00f4ng n\u1ed1i \u0111\u1ea5t d\u1eabn \u0111\u1ebfn ph\u00e1t sinh h\u1ed3 quang gi\u1eefa c\u00e1p v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kim lo\u1ea1i. H\u1ed3 quang trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 ph\u00e1t sinh h\u1ecfa ho\u1ea1n. C\u00e0i \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng theo b\u1ea3ng tr\u00ean th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c l\u1ed7i nh\u01b0 v\u1eady nh\u01b0ng kh\u00f3 c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7i ph\u00e1t sinh do d\u00f2ng \u0111i\u1ec7n r\u00f2 gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed quang \u0111i\u1ec7n trong h\u1ec7 th\u1ed1ng v\u1edbi \u0111\u1ea5t. V\u1edbi c\u00e1c b\u1ed9 ngh\u1ecbch l\u01b0u c\u00f4ng su\u1ea5t l\u1edbn, gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t d\u00f2ng ch\u1ea1m \u0111\u1ea5t c\u00e0ng l\u1edbn. V\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f4ng su\u1ea5t l\u1edbn, trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng v\u1edbi \u0111\u1ee7 b\u1ee9c x\u1ea1, v\u1eabn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i d\u00f2ng r\u00f2 l\u1edbn h\u01a1n 1A t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ebfn \u0111\u1ea5t. Do \u0111\u00f3, n\u1ebfu c\u00e0i \u0111\u1eb7t gi\u00e1 tr\u1ecb b\u1ea3o v\u1ec7 nh\u1ecf c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 c\u1eaft \u0111i\u1ec7n ngo\u00e0i \u00fd mu\u1ed1n.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3480\" style=\"text-align: center;\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1.png\" alt=\"\" width=\"620\" height=\"344\" \/><\/p>\n<p align=\"center\"><em>H\u00ecnh 1. Ch\u1ea1m \u0111\u1ea5t tr\u00ean c\u1ef1c n\u1ed1i \u0111\u1ea5t<\/em><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 Khi x\u1ea3y ra s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t gi\u1eefa c\u1ef1c \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t v\u00e0 \u0111\u1ea5t s\u1ebd xu\u1ea5t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n d\u00f2 ch\u1ea1y qua thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u00e0o \u0111\u1ea5t qua d\u00e2y n\u1ed1i \u0111\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng. Th\u1ef1c t\u1ebf, \u0111i\u1ec7n \u00e1p r\u01a1i tr\u00ean c\u1ef1c n\u1ed1i \u0111\u1ea5t r\u1ea5t nh\u1ecf, v\u00e0 th\u00f4ng th\u01b0\u1eddng, tr\u1edf kh\u00e1ng c\u1ee7a m\u1ea1ch ch\u1ea1m \u0111\u1ea5t l\u1edbn h\u01a1n so v\u1edbi d\u00e2y d\u1eabn n\u00ean t\u1ed3n t\u1ea1i d\u00f2ng ch\u1ea1y qua d\u00e2y n\u1ed1i \u0111\u1ea5t v\u00e0 ch\u00ec b\u1ea3o v\u1ec7 c\u1ee7a b\u1ed9 b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t GFP kh\u00f4ng c\u1eaft. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a d\u00f2ng ch\u1ea1m \u0111\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t sinh h\u1ed3 quang v\u00e0 h\u1ecfa ho\u1ea1n khi x\u1ea3y ra ch\u1ea1m \u0111\u1ea5t \u1edf \u0111i\u1ec7n c\u1ef1c c\u00f2n l\u1ea1i v\u1edbi \u0111\u1ea5t. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec3m m\u00f9 trong b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t v\u1edbi m\u1ea1ng c\u1ea5u tr\u00fac ki\u1ec3u n\u00e0y.<\/p>\n<p>Khi x\u1ea3y ra ch\u1ea1m \u0111\u1ea5t th\u1ee9 hai t\u1ea1i c\u1ef1c kh\u00f4ng n\u1ed1i \u0111\u1ea5t, d\u00f2ng ch\u1ea1m \u0111\u1ea5t s\u1ebd \u0111\u00e1nh th\u1ee7ng c\u1ea7u ch\u00ec c\u1ee7a m\u1ea1ch b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t. Tuy nhi\u00ean d\u00f2ng ch\u1ea1m \u0111\u1ea5t v\u1eabn t\u1ed3n t\u1ea1i kh\u00e9p m\u1ea1ch qua v\u1ecb tr\u00ed ch\u1ea1m \u0111\u1ea5t c\u1ee7a c\u1ef1c \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t. V\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f4ng su\u1ea5t l\u1edbn tr\u00ean 500kW, d\u00f2ng ng\u1eafn m\u1ea1ch c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1300A, ph\u00e1t sinh h\u1ed3 quang v\u1edbi nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 2000<sup>0<\/sup>C d\u1eabn \u0111\u1ebfn nguy c\u01a1 ph\u00e1t sinh h\u1ecfa ho\u1ea1n v\u00e0 ph\u00e1 h\u1ee7y to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3481\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1-1.png\" alt=\"\" width=\"620\" height=\"378\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2018\/04\/1-1.png 620w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2018\/04\/1-1-576x351.png 576w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/p>\n<p align=\"center\"><em>H\u00ecnh 2. L\u1ed7i ch\u1ea1m \u0111\u1ea5t t\u1ea1i \u0111i\u1ec7n c\u1ef1c kh\u00f4ng n\u1ed1i \u0111\u1ea5t (ch\u1ea1m \u0111\u1ea5t th\u1ee9 hai)<\/em><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nh\u01b0 v\u1eady v\u1edbi ph\u01b0\u01a1ng \u00e1n b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t DC c\u1ee7a c\u1ea5u h\u00ecnh n\u00e0y l\u00e0 r\u1ea5t \u0111\u01a1n gian v\u00e0 r\u1ebb ti\u1ec1n, tuy nhi\u00ean ti\u1ec1m \u1ea9n l\u1edbn nguy c\u01a1 &#8220;m\u00f9 ch\u1ea1m \u0111\u1ea5t&#8221; v\u00e0 s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch x\u1ea9y ra.<\/p>\n<p><strong>2. H\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi s\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh kh\u00f4ng n\u1ed1i \u0111\u1ea5t ph\u00eda DC<\/strong><\/p>\n<p>C\u1ea5u h\u00ecnh m\u1ea1ng IT cho h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn \u1edf ch\u00e2u \u00c2u v\u00e0 c\u00e1c v\u00f9ng l\u00e3nh th\u1ed5 b\u00ean ngo\u00e0i M\u1ef9. V\u1edbi c\u1ea5u tr\u00fac m\u1ea1ng IT, kh\u00f4ng m\u1ed9t c\u1ef1c n\u00e0o c\u1ee7a m\u1ea1ng pin quang \u0111i\u1ec7n \u0111\u01b0\u1ee3c n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t. Do \u0111\u00f3, \u0111i\u1ec3m m\u00f9 trong b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t g\u1ea7n nh\u01b0 kh\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra gi\u1ed1ng nh\u01b0 c\u1ea5u tr\u00fac m\u1ea1ng TN. Tuy nhi\u00ean, khi x\u1ea3y ra ch\u1ea1m \u0111\u1ea5t th\u1ee9 hai \u1edf \u0111i\u1ec7n c\u1ef1c \u0111\u1ed1i l\u1eadp, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ng\u1eafn m\u1ea1ch v\u00e0 ph\u00e1 h\u1ee7y to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p>Trong m\u1ea1ng IT, b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u01a1 s\u1edf \u0111o li\u00ean t\u1ee5c \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u00e1c c\u1ef1c so v\u1edbi \u0111\u1ea5t. Trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng, \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn v\u00e0i tr\u0103m ho\u1eb7c \u00a0v\u00e0i ngh\u00ecn k\u2126. (V\u1edbi h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi kh\u00f4ng s\u1eed d\u1ee5ng m\u00e1y bi\u1ebfn \u00e1p c\u00e1ch ly ph\u00eda ngh\u1ecbch l\u01b0u, chu\u1ea9n DIN VDE V 0126-1-1:2006 \u2013 01 quy \u0111\u1ecbnh r\u00f5, gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n t\u1ed1i thi\u1ec3u ph\u1ea3i \u0111\u1ea1t m\u1ee9c \u2265 1k\u2126\/V (min.500k\u2126) tr\u01b0\u1edbc khi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u00f3ng v\u00e0o l\u01b0\u1edbi \u0111i\u1ec7n). L\u1ed7i ch\u1ea1m \u0111\u1ea5t \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n khi \u0111i\u1ec7n tr\u1edf h\u1ec7 th\u1ed1ng gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c c\u00e0i \u0111\u1eb7t cho ph\u00e9p.<\/p>\n<p>C\u1ea5u h\u00ecnh hi\u1ec7n r\u1ea5t ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ebf gi\u1edbi do nhi\u1ec1u \u01b0u vi\u1ec7t m\u1ea1ng l\u1ea1i v\u1ec1 t\u00ednh li\u00ean t\u1ee5c v\u00e0 an to\u00e0n khi c\u00f3 s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t x\u1ea9y ra. T\u1ea1i Vi\u1ec7t Nam, theo t\u00ecm hi\u1ec3u c\u1ee7a ch\u00fang t\u00f4i, c\u1ea5u h\u00ecnh n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn.<\/p>\n<p>M\u1ed9t trong nh\u1eefng y\u00eau c\u1ea7u c\u01a1 b\u1ea3n c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng IT l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eabn c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng khi x\u1ea3y ra ch\u1ea1m \u0111\u1ea5t \u0111\u1ea7u ti\u00ean m\u00e0 kh\u00f4ng b\u1ecf qua c\u00e1c y\u00eau c\u1ea7u an to\u00e0n c\u1ea7n thi\u1ebft, \u0111\u1ed3ng th\u1eddi ph\u1ea3i nhanh ch\u00f3ng c\u00f4 l\u1eadp \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed ch\u1ea1m \u0111\u1ea5t. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u n\u00e0y, c\u00e1c m\u1ea1ng IT theo chu\u1ea9n IEC 60364-4-41:2005-12 v\u00e0 IEC 60364-7-712:2002 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Y\u00eau c\u1ea7u an to\u00e0n cho vi\u1ec7c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c c\u00e1ch \u0111i\u1ec7n h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi b\u1ed9 A-Isometer Iso-PV c\u1ee7a Bender. Thi\u1ebft b\u1ecb n\u00e0y gi\u00e1m s\u00e1t li\u00ean t\u1ee5c \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n v\u00e0 \u0111\u01b0a ra c\u00e1c c\u1ea3nh b\u00e1o s\u1edbm v\u1ec1 th\u00f4ng tin c\u00e1ch \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec3 ng\u0103n ch\u1eb7n tr\u01b0\u1edbc kh\u1ea3 n\u0103ng g\u00e2y gi\u00e1n \u0111o\u1ea1n h\u1ec7 th\u1ed1ng do s\u1ef1 c\u1ed1 suy gi\u1ea3m c\u00e1ch \u0111i\u1ec7n.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3482\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1-2.png\" alt=\"\" width=\"602\" height=\"286\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3483\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1-3.png\" alt=\"\" width=\"602\" height=\"234\" \/><\/p>\n<p align=\"center\"><em>H\u00ecnh 3. Nguy\u00ean l\u00fd b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi kh\u00f4ng n\u1ed1i \u0111\u1ea5t.<\/em><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 Tr\u00ean h\u00ecnh 3 ta th\u1ea5y \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c theo th\u1eddi gian th\u1ef1c. Khi x\u1ea3y ra ch\u1ea1m \u0111\u1ea5t th\u1ee9 nh\u1ea5t tr\u00ean b\u1ea5t k\u1ef3 c\u1ef1c n\u00e0o, h\u1ec7 th\u1ed1ng \u0111\u1ec1u ghi nh\u1eadn v\u00e0 \u0111\u01b0a ra c\u1ea3nh b\u00e1o. Vi\u1ec7c t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi b\u1ed9 t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t c\u1ea7m tay EDS3090PG nh\u01b0 s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3484\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1-4.png\" alt=\"\" width=\"602\" height=\"330\" \/><\/p>\n<p align=\"center\"><em>H\u00ecnh 4. S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd h\u1ec7 th\u1ed1ng t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t c\u1ea7m tay s\u1eed d\u1ee5ng b\u1ed9 EDS3090PG.<\/em><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 V\u1ec1 b\u1ea3n ch\u1ea5t, b\u1ed9 EDS3090PG g\u1ed3m m\u1ed9t thi\u1ebft b\u1ecb ph\u00e1t xung t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t PGH471 v\u00e0 b\u1ed9 \u0111\u1ecbnh v\u1ecb s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t c\u1ea7m tay EDS195P. Khi c\u00f3 s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp b\u1ed9 PGH471 v\u00e0o m\u1ea1ch DC c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec3 ph\u00e1t xung t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1, \u0111\u1ed3ng th\u1eddi s\u1eed d\u1ee5ng b\u1ed9 EDS195P \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed x\u1ea3y ra s\u1ef1 c\u1ed1. Vi\u1ec7c n\u00e0y cho ph\u00e9p t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t nhanh, ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng ph\u1ea3i c\u1eaft \u0111i\u1ec7n, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh li\u00ean t\u1ee5c.<\/p>\n<p>V\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f4ng su\u1ea5t l\u1edbn, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p \u0111\u1ecbnh b\u1ed9 \u0111\u1ecbnh v\u1ecb s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t t\u1ef1 \u0111\u1ed9ng EDS460-DG v\u00e0 b\u1ed9 \u0111\u1ecbnh v\u1ecb v\u1ecb tr\u00ed c\u1ea7m tay \u0111\u1ec3 gi\u1ea3m th\u1eddi gian t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t, n\u00e2ng cao hi\u1ec7u qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3485\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2018\/04\/1-5.png\" alt=\"\" width=\"602\" height=\"356\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2018\/04\/1-5.png 602w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2018\/04\/1-5-594x351.png 594w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/p>\n<p align=\"center\"><em>H\u00ecnh 5. S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 t\u00ecm ki\u1ebfm s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t c\u1ea7m tay\/t\u1ef1 \u0111\u1ed9ng c\u1ee7a Bender.<\/em><\/p>\n<p><strong>C\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng IT<\/strong><\/p>\n<ul>\n<li value=\"5\">Kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n cung c\u1ea5p \u0111i\u1ec7n khi x\u1ea3y ra s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t \u0111\u1ea7u ti\u00ean.<\/li>\n<li value=\"5\">Ti\u00eau chu\u1ea9n b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y cao.<\/li>\n<li value=\"5\">Ph\u00e1t hi\u1ec7n s\u1edbm v\u00e0 \u0111\u01b0a ra bi\u1ec3u \u0111\u1ed3 di\u1ec5n bi\u1ebfn qu\u00e1 tr\u00ecnh suy gi\u1ea3m c\u00e1ch \u0111i\u1ec7n h\u1ec7 th\u1ed1ng.<\/li>\n<li value=\"5\">T\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 an to\u00e0n cho ng\u01b0\u1eddi.<\/li>\n<li value=\"5\">Ch\u1ec9 c\u00f3 d\u00f2ng DC t\u1ea1i c\u00e1c module quang \u0111i\u1ec7n, kh\u00f4ng c\u00f3 c\u00e1c xung d\u00f2ng AC.<\/li>\n<li value=\"5\">H\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n \u0111\u01b0\u1ee3c gi\u1eef \u1edf tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng cao.<\/li>\n<li value=\"5\">Cho ph\u00e9p \u0111\u1ecbnh v\u1ecb, d\u00f2 t\u00ecm v\u1ecb tr\u00ed ch\u1ea1m \u0111\u1ea5t trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/li>\n<li value=\"5\">Chi ph\u00ed cho th\u1eddi gian v\u00e0 con ng\u01b0\u1eddi gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/li>\n<li value=\"5\">\u0110\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed l\u1ed7i c\u00e1ch \u0111i\u1ec7n t\u1ea1i c\u00e1c module quang \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>V\u1ec1 c\u01a1 b\u1ea3n, v\u1edbi h\u1ec7 th\u1ed1ng IT, chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cho thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t cao. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng IT c\u00f3 \u01b0u th\u1ebf c\u01a1 b\u1ea3n l\u00e0 kh\u00f4ng xu\u1ea5t hi\u1ec7n \u0111i\u1ec3m m\u00f9 trong b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t nh\u01b0 h\u1ec7 th\u1ed1ng TN. \u0110i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng, gi\u00e1m s\u00e1t li\u00ean t\u1ee5c theo th\u1eddi gian th\u1ef1c. S\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c, nhanh ch\u00f3ng, gi\u1ea3m thi\u1ec3u th\u1eddi gian t\u00ecm ki\u1ebfm v\u00e0 nguy c\u01a1 d\u1eebng h\u1ec7 th\u1ed1ng ngo\u00e0i \u00fd mu\u1ed1n trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n<p><strong>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/strong><\/p>\n<ol>\n<li>Renewable energy \u2013 Reliable and efficient use of the power of nature \u2013 Bender.<\/li>\n<li>Inverter ground fault detection \u201cBlind spot\u201d and mitigation methods \u2013 Greg ball, Bill Brooks, Jay Johnson, Jack Flicker.<\/li>\n<li>The ground fault protection Blind spot: A safety concert for larger photovoltaic systems in the US \u2013 A solar ABCs white paper.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan Ng\u00e0y nay, c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean th\u1ebf gi\u1edbi. Ph\u00eda m\u1ed9t chi\u1ec1u c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t tr\u1ef1c ti\u1ebfp t\u1ea1i m\u1ed9t c\u1ef1c, kh\u00f4ng n\u1ed1i \u0111\u1ea5t ho\u1eb7c n\u1ed1i \u0111\u1ea5t \u1edf ph\u00eda &hellip; <a href=\"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/ung-dung-thiet-bi-bender-trong-giam-sat-dien-tro-cach-dien-he-thong-dien-nang-luong-mat-troi-khong-noi-dat.html\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">A-ISOMETER@iso-PV gi\u00e1m s\u00e1t, t\u00ecm ki\u1ebfm l\u1ed7i ch\u1ea1m \u0111\u1ea5t m\u1ed9t chi\u1ec1u cho nh\u00e0 m\u00e1y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":120142,"featured_media":3484,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,82,106,34],"tags":[1188,1194,1033,1462,1464,1162,612,1186,1192,1176,1184,1098,1190],"class_list":["post-3479","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-giai-phap-dien-dau-khi","category-san-pham-bender","category-tin-tuc-vi","category-tu-van","tag-a-isometeriso-pv","tag-bender-iso-pv","tag-cham-dat-dc","tag-cham-dat-mot-chieu-nha-may-nlmt","tag-cham-day-dc-nha-may-nlmt","tag-earth-fault-location-system","tag-eds3090pg","tag-ground-fault-protection","tag-iso-pv","tag-nang-luong-mat-troi","tag-renewable-energy","tag-tim-kiem-cham-dat","tag-tim-kiem-cham-dat-dc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A-ISOMETER@iso-PV gi\u00e1m s\u00e1t, t\u00ecm ki\u1ebfm l\u1ed7i ch\u1ea1m \u0111\u1ea5t m\u1ed9t chi\u1ec1u cho nh\u00e0 m\u00e1y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi - MES Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/ung-dung-thiet-bi-bender-trong-giam-sat-dien-tro-cach-dien-he-thong-dien-nang-luong-mat-troi-khong-noi-dat.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A-ISOMETER@iso-PV gi\u00e1m s\u00e1t, t\u00ecm ki\u1ebfm l\u1ed7i ch\u1ea1m \u0111\u1ea5t m\u1ed9t chi\u1ec1u cho nh\u00e0 m\u00e1y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" \/>\n<meta property=\"og:description\" content=\"T\u1ed5ng quan Ng\u00e0y nay, c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean th\u1ebf gi\u1edbi. 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