{"id":5152,"date":"2022-09-13T13:52:00","date_gmt":"2022-09-13T06:52:00","guid":{"rendered":"http:\/\/mese.vn\/?p=5152"},"modified":"2022-09-13T13:52:23","modified_gmt":"2022-09-13T06:52:23","slug":"ho-quang-dien-nhung-van-de-can-biet","status":"publish","type":"post","link":"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/ho-quang-dien-nhung-van-de-can-biet.html","title":{"rendered":"H\u1ed2 QUANG \u0110I\u1ec6N – NH\u1eeeNG V\u1ea4N \u0110\u1ec0 C\u1ea6N BI\u1ebeT"},"content":{"rendered":"

\u201cS\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n th\u01b0\u1eddng g\u00e2y ra h\u01b0 h\u1ecfng n\u1eb7ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n khi b\u1ecb s\u1ef1 c\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1ef1 d\u00f9ng c\u0169ng nh\u01b0 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n trung \u00e1p v\u00e0 h\u1ea1 \u00e1p. Ngo\u00e0i ra n\u00f3 c\u00f2n g\u00e2y th\u01b0\u01a1ng t\u00edch th\u1eadm ch\u00ed ch\u1ebft ng\u01b0\u1eddi khi h\u1ed3 quang \u0111i\u1ec7n x\u1ea3y ra\u201d<\/p>\n

1. \u0110\u1eb7t v\u1ea5n \u0111\u1ec1<\/strong><\/p>\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u \u00fd th\u1ee9c \u0111\u01b0\u1ee3c m\u1ed1i nguy hi\u1ec3m c\u1ee7a \u0111i\u1ec7n gi\u1eadt v\u00e0 nguy c\u01a1 ch\u1ebft ng\u01b0\u1eddi do \u0111i\u1ec7n gi\u1eadt, tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng \u0111\u00e1nh gi\u00e1 \u0111\u00fang m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m c\u1ee7a h\u1ed3 quang \u0111i\u1ec7n v\u00e0 nguy c\u01a1 g\u00e2y b\u1ecfng n\u1eb7ng ti\u1ec1m \u1ea9n c\u1ee7a n\u00f3. C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y v\u1ec1 th\u01b0\u01a1ng vong do \u0111i\u1ec7n g\u00e2y n\u00ean cho th\u1ea5y kho\u1ea3ng 75% c\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u1ecb th\u01b0\u01a1ng theo h\u1ed3 s\u01a1 b\u1ec7nh \u00e1n l\u00e0 b\u1ecb b\u1ecfng, h\u1eadu qu\u1ea3 c\u1ee7a vi\u1ec7c da th\u1ecbt ti\u1ebfp x\u00fac tr\u1ef1c di\u1ec7n v\u1edbi n\u0103ng l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 t\u1eeb h\u1ed3 quang \u0111i\u1ec7n.<\/p>\n

Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n th\u00ec h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1ef1 d\u00f9ng trong c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p v\u00e0 c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng v\u1edbi h\u1ec7 th\u1ed1ng. C\u0169ng nh\u01b0 trong l\u01b0\u1edbi \u0111i\u1ec7n trung \u00e1p v\u00e0 h\u1ea1 \u00e1p, hi\u1ec7n nay \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ef1 c\u1ed1 m\u1edbi ch\u1ec9 c\u00f3 trang b\u1ecb c\u00e1c b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111i\u1ec7n, kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n. Trong ph\u1ea1m vi t\u1eeb m\u00e1y c\u1eaft t\u1edbi bi\u1ebfn d\u00f2ng c\u1ee7a m\u1ed7i ng\u0103n l\u1ed9 l\u1ea1i n\u1eb1m ngo\u00e0i v\u00f9ng c\u1ee7a c\u00e1c b\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a ch\u00ednh ng\u0103n l\u1ed9 \u0111\u00f3, khi s\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n x\u1ea3y ra trong v\u00f9ng ch\u1ebft n\u00e0y th\u00ec b\u1ea3o v\u1ec7 ng\u0103n l\u1ed9 kh\u00f4ng t\u00e1c \u0111\u1ed9ng. Trong c\u00e1c s\u1ef1 c\u1ed1 th\u00ec c\u00e1c s\u1ef1 c\u1ed1 do ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang \u0111i\u1ec7n trong ph\u1ea1m vi khu v\u1ef1c m\u00e1y c\u1eaft chi\u1ebfm t\u1ef7 l\u1ec7 l\u1edbn. Khi h\u1ed3 quang xu\u1ea5t hi\u1ec7n th\u00ec h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1ef1 d\u00f9ng c\u1ee7a ch\u00fang ta l\u1ea1i kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 \u0111\u1ec3 lo\u1ea1i s\u1ef1 c\u1ed1 k\u1ecbp th\u1eddi m\u00e0 ph\u1ea3i \u0111\u1ee3i \u0111\u1ebfn khi s\u1ef1 c\u1ed1 ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang ph\u00e1t tri\u1ec3n lan tr\u00e0n th\u00e0nh 2 pha ho\u1eb7c 3 pha th\u00ec b\u1ea3o v\u1ec7 m\u1edbi t\u00e1c \u0111\u1ed9ng c\u1eaft m\u00e1y c\u1eaft t\u1ed5ng ra. Khi \u0111\u00f3 h\u1eadu qu\u1ea3 \u0111\u00e3 g\u00e2y thi\u1ec7t h\u1ea1i n\u1eb7ng v\u1ec1 thi\u1ebft b\u1ecb v\u00e0 m\u1ea5t \u0111i\u1ec7n t\u1ef1 d\u00f9ng ph\u1ee5c v\u1ee5 cho tr\u1ea1m bi\u1ebfn \u00e1p v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 1: S\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n g\u00e2y ra<\/em><\/p>\n

2. C\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn h\u1ed3 quang \u0111i\u1ec7n<\/strong><\/p>\n

2.1. H\u1ed3 quang \u0111i\u1ec7n l\u00e0 g\u00ec?<\/strong><\/p>\n

H\u1ed3 quang \u0111i\u1ec7n l\u00e0 m\u1ed9t d\u1ea1ng gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng khi x\u1ea3y ra s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch gi\u1eefa pha \u2013 pha ho\u1eb7c pha \u2013 \u0111\u1ea5t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t v\u00e0 \u00e1nh s\u00e1ng m\u1ea1nh. Nhi\u1ec7t \u0111\u1ed9 t\u1ea1i trung t\u00e2m c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 20.000 \u0111\u1ed9 C l\u00e0m n\u00f3ng ch\u1ea3y v\u00e0\u00a0b\u1ed1c h\u01a1i kim lo\u1ea1i. S\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9t bi\u1ebfn lan t\u1ecfa r\u1ea5t nhanh \u0111\u1ed1i v\u1edbi c\u00e1c l\u1edbp kh\u00f4ng kh\u00ed xung quanh g\u00e2y ra \u00e1p l\u1ef1c c\u1ef1c l\u1edbn, h\u00ecnh th\u00e0nh v\u1ee5 n\u1ed5 nghi\u00eam tr\u1ecdng l\u00e0m ph\u00e1 h\u1ee7y c\u00e1c thi\u1ebft b\u1ecb v\u00e0 g\u00e2y t\u1ed5n th\u01b0\u01a1ng cho ng\u01b0\u1eddi xung quanh.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 2: H\u1ed3 quang \u0111i\u1ec7n<\/em><\/p>\n

2.2. T\u00ednh ch\u1ea5t c\u1ee7a h\u1ed3 quang \u0111i\u1ec7n<\/strong><\/p>\n

– Hi\u1ec7n t\u1ea1i ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang h\u1ea7u h\u1ebft ch\u1ec9 x\u1ea3y ra khi d\u00f2ng \u0111i\u1ec7n c\u00f3 tr\u1ecb s\u1ed1 l\u1edbn;<\/p>\n

– Trung t\u00e2m h\u1ed3 quang th\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 r\u1ea5t l\u1edbn, trong c\u00e1c kh\u00ed c\u1ee5 nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 6000 – 80000 \u0111\u1ed9 K;<\/p>\n

– \u1ede cathode, m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n l\u1edbn, v\u00e0o kho\u1ea3ng 104 – 105 A\/cm2;<\/p>\n

– Th\u1ef1c t\u1ebf, s\u1ee5t \u00e1p \u1edf cathode kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o d\u00f2ng \u0111i\u1ec7n v\u00e0 th\u01b0\u1eddng b\u1eb1ng 10 – 20V;<\/p>\n

– \u00c1nh s\u00e1ng m\u1ea1nh, ch\u00e1y v\u00e0 ch\u00f3i m\u1eaft;<\/p>\n

– Kh\u00f4ng kh\u00ed b\u1ecb \u0111\u1ed1t n\u00f3ng => \u00c1p su\u1ea5t v\u00e0 \u00e2m thanh;<\/p>\n

– ….<\/p>\n

\"\"<\/p>\n

H\u00ecnh 2: T\u00ednh ch\u1ea5t c\u1ee7a h\u1ed3 quang \u0111i\u1ec7n<\/em><\/p>\n

2.3. T\u00e1c h\u1ea1i c\u1ee7a h\u1ed3 quang \u0111i\u1ec7n<\/strong><\/p>\n

\"\"<\/p>\n

H\u00ecnh 3: S\u1ef1 nguy hi\u1ec3m c\u1ee7a h\u1ed3 quang \u0111i\u1ec7n theo th\u1eddi gian<\/em><\/p>\n

– \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n:<\/p>\n

+ Hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng h\u1ed3 quang \u0111i\u1ec7n l\u00e0m cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n b\u1ecb ph\u00e1 h\u1ee7y. Nguy\u00ean nh\u00e2n l\u00e0 do s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \u0111\u1ed9t ng\u1ed9t, ng\u1eafn m\u1ea1ch h\u1ec7 th\u1ed1ng c\u1ee5c b\u1ed9. C\u1ee5 th\u1ec3, c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng l\u1ef1c b\u1ecb \u0111\u00e1nh m\u00f2n, h\u1ecfng h\u00f3c d\u01b0\u1edbi n\u1ec1n nhi\u1ec7t t\u0103ng cao;<\/p>\n

+ Ph\u1ea3i thay th\u1ebf c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft h\u00e0ng n\u0103m, c\u00f3 th\u1ec3 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn s\u1ebd g\u00e2y kh\u00f3 kh\u0103n cho doanh nghi\u1ec7p;<\/p>\n

+ Khi m\u1edbi b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh ph\u00f3ng tia l\u1eeda \u0111i\u1ec7n (do c\u00e1ch \u0111i\u1ec7n l\u00e3o h\u00f3a ho\u1eb7c kho\u1ea3ng c\u00e1ch c\u00e1ch \u0111i\u1ec7n kh\u00f4ng \u0111\u1ea3m b\u1ea3o, m\u00f4i tr\u01b0\u1eddng b\u1ee5i b\u1ea9n,…) th\u00ec d\u00f2ng \u0111i\u1ec7n ph\u00f3ng trong kh\u00f4ng kh\u00ed khi \u0111\u00f3 kh\u00e1 b\u00e9. Ch\u1ec9 \u0111\u1ebfn khi l\u1edbp kh\u00f4ng kh\u00ed b\u1ecb oxy h\u00f3a v\u00e0 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch ch\u1ea3y qua h\u1ed3 quang l\u00fac n\u00e0y m\u1edbi th\u1ef1c s\u1ef1 l\u1edbn. D\u00f2ng n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1edbn so v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng d\u00f2ng ng\u1eafn m\u1ea1ch l\u1edbn nh\u1ea5t c\u1ee7a thanh c\u00e1i v\u00e0 thi\u1ebft b\u1ecb. Tuy nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 ph\u00e1t sinh trong h\u1ed3 quang r\u1ea5t l\u1edbn v\u00e0 t\u0103ng nhanh l\u00e0 nguy\u00ean nh\u00e2n l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a t\u1ee7 \u0111i\u1ec7n ch\u00e1y th\u00e0nh tro trong th\u1eddi gian v\u00e0i ms. \u00c1p su\u1ea5t t\u0103ng nhanh do gi\u1ea3i tho\u00e1t n\u0103ng l\u01b0\u1ee3ng s\u1ebd l\u00e0m m\u1edf tung c\u00e1c v\u00e1ch ng\u0103n c\u1ee7a t\u1ee7 \u0111i\u1ec7n v\u00e0 g\u00e2y \u1ea3nh h\u01b0\u1edfng t\u1edbi t\u00ednh m\u1ea1ng con ng\u01b0\u1eddi.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 4: \u1ea2nh h\u01b0\u1edfng c\u1ee7a h\u1ed3 quang \u0111i\u1ec7n t\u1edbi thi\u1ebft b\u1ecb<\/em><\/p>\n

– \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn con ng\u01b0\u1eddi:<\/p>\n

+ Ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y n\u1ed5, h\u1ecfa ho\u1ea1n l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 t\u00ednh m\u1ea1ng con ng\u01b0\u1eddi;<\/p>\n

+ N\u1ebfu nh\u00ecn tr\u1ef1c ti\u1ebfp v\u00e0o tia l\u1eeda h\u1ed3 quang c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c t\u1ebf b\u00e0o ni\u00eam m\u1ea1c m\u1eaft b\u1ecb ch\u1ebft, d\u1eabn t\u1edbi \u0111au m\u1eaft h\u00e0n. N\u1ebfu kh\u00f4ng trang b\u1ecb \u0111\u1ed3 b\u1ea3o h\u1ed9 trong qu\u00e1 tr\u00ecnh, c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c t\u1ebf b\u00e0o ngo\u00e0i da b\u1ecb ch\u1ebft, l\u00e0m bong da m\u1eb7t.<\/p>\n

2.4. Nguy\u00ean nh\u00e2n g\u00e2y ra h\u1ed3 quang \u0111i\u1ec7n<\/strong><\/p>\n

– Ti\u1ebfp \u0111i\u1ec3m l\u1ed7i:<\/p>\n

+ Do nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao ho\u1eb7c qu\u00e1 t\u1ea3i trong th\u1eddi gian d\u00e0i;<\/p>\n

+ Si\u1ebft \u1ed1c kh\u00f4ng \u0111\u1ee7 l\u1ef1c;<\/p>\n

+ V\u1eadn h\u00e0nh rung l\u1eafc;<\/p>\n

+ Qu\u00e1 \u0111i\u1ec7n \u00e1p.<\/p>\n

– \u0110\u00f4ng v\u1eadt: C\u00e1c \u0111\u1ed9ng v\u1eadt nh\u1ecf l\u00e0m t\u1ed5 trong khoang t\u1ee7.<\/p>\n

– H\u01b0 h\u1ecfng c\u00e1ch \u0111i\u1ec7n trong t\u1ee7 \u0111i\u1ec7n;<\/p>\n

– H\u01b0 h\u1ecfng thi\u1ebft b\u1ecb:<\/p>\n

+ S\u1ef1 c\u1ed1 h\u01b0 h\u1ecfng \u0111\u1ea7u c\u00e1p;<\/p>\n

+ H\u01b0 h\u1ecfng m\u00e1y bi\u1ebfn d\u00f2ng \u0111i\u1ec7n\/ m\u00e1y bi\u1ebfn \u0111i\u1ec7n \u00e1p;<\/p>\n

+ H\u01b0 h\u1ecfng m\u00e1y c\u1eaft.<\/p>\n

– L\u1ed7i ng\u01b0\u1eddi v\u1eadn h\u00e0nh:<\/p>\n

+ L\u00e0m r\u01a1i d\u1ee5ng c\u1ee5 l\u00e0m vi\u1ec7c, \u1ed1c, v\u00edt,..<\/p>\n

+ B\u1ecf qu\u00ean ti\u1ebfp \u0111\u1ecba, n\u1ed1i \u0111\u1ea5t sau khi b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3,…<\/p>\n

2.5. C\u00e1ch ph\u00f2ng ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng h\u1ed3 quang trong t\u1ee7 \u0111i\u1ec7n<\/strong><\/p>\n

– T\u00ednh to\u00e1n k\u1ef9 c\u00e1c ph\u1ee5 t\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00e1nh g\u00e2y qu\u00e1 t\u1ea3i cho h\u1ec7 th\u1ed1ng;<\/p>\n

– B\u1ea3o d\u01b0\u1ee1ng, b\u1ea3o tr\u00ec t\u1ee7 \u0111i\u1ec7n th\u01b0\u1eddng xuy\u00ean;<\/p>\n

– Ch\u00fa \u00fd v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t t\u1ee7 \u0111i\u1ec7n, ch\u1ec9 n\u00ean l\u1eafp \u0111\u1eb7t t\u1ea1i n\u01a1i kh\u00f4 r\u00e1o, s\u1ea1ch s\u1ebd v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1eb7t c\u00e1c v\u1eadt, thi\u1ebft b\u1ecb kh\u00e1c l\u1ea1i g\u1ea7n t\u1ee7 \u0111i\u1ec7n;<\/p>\n

– Ki\u1ec3m tra k\u0129 c\u00e1c thi\u1ebft b\u1ecb v\u00e0 k\u1ebft n\u1ed1i b\u00ean trong t\u1ee7 \u0111i\u1ec7n, th\u1eed nghi\u1ec7m m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t, quy c\u1ee7 \u0111\u1ec3 tr\u00e1nh c\u00e1c thi\u1ec7t h\u1ea1i kh\u00f4ng \u0111\u00e1ng c\u00f3.<\/p>\n

2.6. Bi\u1ec7n ph\u00e1p v\u00e0 trang b\u1ecb d\u1eadp h\u1ed3 quang<\/strong><\/p>\n

– D\u1eadp h\u1ed3 quang trong thi\u1ebft b\u1ecb h\u1ea1 \u00e1p:<\/p>\n

+ K\u00e9o d\u00e0i h\u1ed3 quang b\u1eb1ng c\u01a1 kh\u00ed;<\/p>\n

+ Ph\u00e2n chia h\u1ed3 quang ra l\u00e0m nhi\u1ec1u \u0111o\u1ea1n ng\u1eafn;<\/p>\n

+ D\u00f9ng cu\u1ed9n d\u00e2y th\u1ed5i t\u1eeb k\u1ebft h\u1ee3p bu\u1ed3ng d\u1eadp h\u1ed3 quang;<\/p>\n

+ D\u00f9ng bu\u1ed3ng d\u1eadp h\u1ed3 quang c\u00f3 khe h\u1edf quanh co;<\/p>\n

+ T\u0103ng t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng;<\/p>\n

+ K\u1ebft c\u1ea5u ti\u1ebfp \u0111i\u1ec3m ki\u1ec3u b\u1eafc c\u1ea7u.<\/p>\n

– D\u1eadp h\u1ed3 quang trong thi\u1ebft b\u1ecb cao \u00e1p:<\/p>\n

+ D\u1eadp h\u1ed3 quang trong d\u1ea7u bi\u1ebfn \u00e1p k\u1ebft h\u1ee3p ph\u00e2n chia h\u1ed3 quang;<\/p>\n

+ D\u1eadp h\u1ed3 quang b\u1eb1ng kh\u00ed n\u00e9n;<\/p>\n

+ D\u1eadp h\u1ed3 quang trong ch\u00e2n kh\u00f4ng;<\/p>\n

+ D\u1eadp h\u1ed3 quang trong kh\u00ed \u00e1p su\u1ea5t cao.<\/p>\n

Ngo\u00e0i c\u00e1c bi\u1ec7n ph\u00e1p tr\u00ean, \u0111\u1ec3 h\u1ea1n ch\u1ebf \u1ea3nh h\u01b0\u1edfng t\u1ed1i \u0111a nh\u1ea5t c\u1ee7a h\u1ed3 quang, vi\u1ec7c trang bi role b\u1ea3o v\u1ec7 h\u1ed3 quang cho t\u1ee7 \u0111i\u1ec7n l\u00e0 bi\u1ec7n ph\u00e1p h\u1ee3p l\u00fd. Role s\u1ebd t\u00e1c \u0111\u1ed9ng \u0111\u1ec3 ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o t\u1eeb \u0111\u00f3 h\u1ea1n ch\u1ebf sinh ra h\u1ed3 quang.<\/p>\n

3. K\u1ebft lu\u1eadn<\/strong><\/p>\n

H\u1ed3 quang \u0111i\u1ec7n l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong t\u1ee7 \u0111i\u1ec7n, l\u01b0\u1edbi \u0111i\u1ec7n, t\u00e1c h\u1ea1i c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 g\u00e2y th\u01b0\u01a1ng t\u00edch cho con ng\u01b0\u1eddi, g\u00e2y h\u01b0 h\u1ecfng n\u1eb7ng cho thi\u1ebft b\u1ecb v\u00e0 g\u00e2y s\u1ef1 c\u1ed1 l\u01b0\u1edbi \u0111i\u1ec7n. V\u00ec v\u1eady c\u1ea7n ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p h\u1ea1n ch\u1ebf c\u0169ng nh\u01b0 x\u1eed l\u00fd h\u1ed3 quang. Ngo\u00e0i c\u00e1c bi\u1ec7n ph\u00e1p truy\u1ec1n th\u1ed1ng, vi\u1ec7c \u1ee9ng d\u1ee5ng th\u00eam c\u00f4ng ngh\u1ec7 b\u1ea3o v\u1ec7 m\u1edbi nh\u01b0 s\u1eed d\u1ee5ng role b\u1ea3o v\u1ec7 h\u1ed3 quang,… c\u0169ng n\u00ean \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u201cS\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n th\u01b0\u1eddng g\u00e2y ra h\u01b0 h\u1ecfng n\u1eb7ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n khi b\u1ecb s\u1ef1 c\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1ef1 d\u00f9ng c\u0169ng nh\u01b0 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n trung \u00e1p v\u00e0 h\u1ea1 \u00e1p. Ngo\u00e0i ra n\u00f3 c\u00f2n g\u00e2y th\u01b0\u01a1ng t\u00edch th\u1eadm ch\u00ed ch\u1ebft ng\u01b0\u1eddi khi h\u1ed3 quang \u0111i\u1ec7n x\u1ea3y ra\u201d 1. \u0110\u1eb7t v\u1ea5n … Continue reading H\u1ed2 QUANG \u0110I\u1ec6N – NH\u1eeeNG V\u1ea4N \u0110\u1ec0 C\u1ea6N BI\u1ebeT<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":120142,"featured_media":5162,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,25,1350,106],"tags":[1861,1869,1865,1859,1863,1867],"class_list":["post-5152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-giai-phap-dien-dau-khi","category-giai-phap-nganh-mo","category-cho-nha-may","category-tin-tuc-vi","tag-arc-flash","tag-arc-flash-relay","tag-chay","tag-ho-quang","tag-littelfuse","tag-relay"],"yoast_head":"\nH\u1ed2 QUANG \u0110I\u1ec6N - NH\u1eeeNG V\u1ea4N \u0110\u1ec0 C\u1ea6N BI\u1ebeT - 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\/ho-quang-dien-nhung-van-de-can-biet.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ed2 QUANG \u0110I\u1ec6N - NH\u1eeeNG V\u1ea4N \u0110\u1ec0 C\u1ea6N BI\u1ebeT\" \/>\n<meta property=\"og:description\" content=\"\u201cS\u1ef1 c\u1ed1 h\u1ed3 quang \u0111i\u1ec7n th\u01b0\u1eddng g\u00e2y ra h\u01b0 h\u1ecfng n\u1eb7ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n khi b\u1ecb s\u1ef1 c\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1ef1 d\u00f9ng c\u0169ng nh\u01b0 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n trung \u00e1p v\u00e0 h\u1ea1 \u00e1p. Ngo\u00e0i ra n\u00f3 c\u00f2n g\u00e2y th\u01b0\u01a1ng t\u00edch th\u1eadm ch\u00ed ch\u1ebft ng\u01b0\u1eddi khi h\u1ed3 quang \u0111i\u1ec7n x\u1ea3y ra\u201d 1. \u0110\u1eb7t v\u1ea5n … Continue reading H\u1ed2 QUANG \u0110I\u1ec6N – NH\u1eeeNG V\u1ea4N \u0110\u1ec0 C\u1ea6N BI\u1ebeT →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/ho-quang-dien-nhung-van-de-can-biet.html\" \/>\n<meta property=\"og:site_name\" content=\"MES Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-13T06:52:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-13T06:52:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2022\/09\/anh-sang-ho-quang-dien-la-gi.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"460\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"mese editor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mese editor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html\"},\"author\":{\"name\":\"mese editor\",\"@id\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/#\\\/schema\\\/person\\\/7bb9d584fc7350cd6be9e5cb311c2caa\"},\"headline\":\"H\u1ed2 QUANG \u0110I\u1ec6N – NH\u1eeeNG V\u1ea4N \u0110\u1ec0 C\u1ea6N BI\u1ebeT\",\"datePublished\":\"2022-09-13T06:52:00+00:00\",\"dateModified\":\"2022-09-13T06:52:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html\"},\"wordCount\":2102,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/wp-content\\\/uploads\\\/sites\\\/194\\\/2022\\\/09\\\/anh-sang-ho-quang-dien-la-gi.jpg\",\"keywords\":[\"arc flash\",\"arc flash relay\",\"ch\u00e1y\",\"h\u1ed3 quang\",\"littelfuse\",\"relay\"],\"articleSection\":[\"Cho \u0111i\u1ec7n v\u00e0 d\u1ea7u kh\u00ed\",\"Cho ng\u00e0nh m\u1ecf v\u00e0 khai kho\u00e1ng\",\"Cho Nh\u00e0 m\u00e1y\",\"Tin t\u1ee9c\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html\",\"url\":\"https:\\\/\\\/tofu.isoinaction.com\\\/mesevn\\\/vi\\\/ho-quang-dien-nhung-van-de-can-biet.html\",\"name\":\"H\u1ed2 QUANG \u0110I\u1ec6N - 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