{"id":1447,"date":"2026-09-18T02:28:39","date_gmt":"2026-09-18T02:28:39","guid":{"rendered":"https:\/\/lanshanelectric.com\/?p=1447"},"modified":"2026-09-15T02:33:55","modified_gmt":"2026-09-15T02:33:55","slug":"mns-switchgear-qua-nong-ngan-keo-lien-lac","status":"publish","type":"post","link":"https:\/\/lanshanelectric.com\/vi\/mns-switchgear-overheating-drawer-contacts\/","title":{"rendered":"MNS Switchgear Qu\u00e1 nhi\u1ec7t: T\u1ea1i sao Ng\u0103n k\u00e9o Li\u00ean h\u1ec7 Ch\u1ea1y N\u00f3ng"},"content":{"rendered":"

M\u1ed9t ng\u0103n k\u00e9o n\u00f3ng trong thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ch\u1ea9n \u0111o\u00e1n. s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb d\u00f2ng \u0111i\u1ec7n duy tr\u00ec, \u0111i\u1ec7n tr\u1edf b\u1ed5 sung t\u1ea1i m\u1ed9t ti\u1ebfp \u0111i\u1ec3m c\u1eafm, l\u1ec7ch c\u01a1 h\u1ecdc, l\u00e0m m\u00e1t h\u1ea1n ch\u1ebf, ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau t\u1eeb m\u1ea1ch so s\u00e1nh.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi h\u1eefu \u00edch l\u00e0 n\u01a1i nhi\u1ec7t \u0111ang \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 t\u1ea1i sao. h\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p cho c\u00e1c \u0111\u1ed9i b\u1ea3o tr\u00ec, k\u1ef9 s\u01b0 nh\u00e0 m\u00e1y v\u00e0 ng\u01b0\u1eddi mua m\u1ed9t c\u00e1ch c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 \u0111i\u1ec1u tra qu\u00e1 nhi\u1ec7t ng\u0103n k\u00e9o-\u0111\u01a1n v\u1ecb m\u00e0 kh\u00f4ng x\u1eed l\u00fd x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 thu h\u1ed3i nh\u01b0 l\u00e0 s\u1ef1 cho ph\u00e9p cho c\u00f4ng vi\u1ec7c tr\u1ef1c ti\u1ebfp ho\u1eb7c trao \u0111\u1ed5i n\u00f3ng.<\/p>\n\n\n\n

T\u1ea1i sao c\u00e1c \u0111\u01a1n v\u1ecb ng\u0103n k\u00e9o MNS Switchgear qu\u00e1 n\u00f3ng<\/h2>\n\n\n\n
\"C\u00e1c<\/figure>\n\n\n\n

MNS switchgear s\u1eed d\u1ee5ng \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 thu h\u1ed3i \u0111\u1ec3 feeder ho\u1eb7c \u0111\u1ed9ng c\u01a1-\u0111i\u1ec1u khi\u1ec3n m\u1ea1ch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c trong c\u00e1c ng\u0103n m\u00f4-\u0111un.Lanshan li\u1ec7t k\u00ea m\u1ed9t s\u1ea3n ph\u1ea9m switchgear r\u00fat \u0111i\u1ec7n \u00e1p th\u1ea5p MNS cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u00e2n ph\u1ed1i v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p. s\u1eafp x\u1ebfp ng\u0103n k\u00e9o ch\u00ednh x\u00e1c, x\u1ebfp h\u1ea1ng, t\u00e1ch, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00e0i \u0111\u1eb7t v\u1eabn c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn cho m\u1ed7i d\u1ef1 \u00e1n.<\/p>\n\n\n\n

Nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi d\u00f2ng t\u1ea3i b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng nhi\u1ec7t \u0111\u1ed9 b\u1ea5t th\u01b0\u1eddng th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t k\u1ef9 h\u01a1n \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n v\u00e0 c\u01a1 h\u1ecdc.T\u1ea1i m\u1ed9t d\u00f2ng \u0111i\u1ec7n nh\u1ea5t \u0111\u1ecbnh, t\u1ed5n th\u1ea5t \u0111i\u1ec7n tr\u1edf theo m\u1ed1i quan h\u1ec7 P = I\u00b2R. Do \u0111\u00f3, s\u1ef1 gia t\u0103ng nh\u1ecf v\u1ec1 \u0111i\u1ec7n tr\u1edf t\u1ea1i m\u1ed9t k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec3m n\u00f3ng t\u1eadp trung ngay c\u1ea3 khi d\u00f2ng c\u1ea5p li\u1ec7u kh\u00f4ng thay \u0111\u1ed5i. m\u1ed1i quan h\u1ec7 \u0111i\u1ec7n c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch trong H\u01b0\u1edbng d\u1eabn OpenStax v\u1ec1 n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n<\/a>.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, cu\u1ed9c \u0111i\u1ec1u tra n\u00ean ph\u00e2n bi\u1ec7t v\u1ea5n \u0111\u1ec1 ti\u1ebfp x\u00fac c\u1ee5c b\u1ed9 v\u1edbi v\u1ea5n \u0111\u1ec1 nhi\u1ec7t to\u00e0n b\u1ed9 ng\u0103n. hai \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3 c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nhau tr\u00ean b\u00e1o \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 nh\u01b0ng d\u1eabn \u0111\u1ebfn c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c r\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n

L\u00e0m cho thi\u1ebft b\u1ecb an to\u00e0n tr\u01b0\u1edbc b\u1ea5t k\u1ef3 cu\u1ed9c ki\u1ec3m tra n\u1ed9i b\u1ed9 n\u00e0o<\/h2>\n\n\n\n

Kh\u00f4ng rack, r\u00fat, th\u1eaft ch\u1eb7t, l\u00e0m s\u1ea1ch, ho\u1eb7c ch\u1ea1m v\u00e0o m\u1ed9t ng\u0103n k\u00e9o n\u00f3ng nghi ng\u1edd trong khi n\u00f3 \u0111\u01b0\u1ee3c energized. thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 r\u00fat ra kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng thi\u1ebft k\u1ebf cho ph\u1ee5c v\u1ee5 energized. c\u00e1c h\u01b0\u1edbng d\u1eabn ho\u1ea1t \u0111\u1ed9ng \u00e1p d\u1ee5ng v\u00e0 c\u00e1c th\u1ee7 t\u1ee5c an to\u00e0n \u0111i\u1ec7n trang web ki\u1ec3m so\u00e1t c\u00e1ch m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp v\u00e0 l\u00e0m cho an to\u00e0n.<\/p>\n\n\n\n

OSHA 1910.333<\/a> minh h\u1ecda nguy\u00ean t\u1eafc r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn s\u1ed1ng ti\u1ebfp x\u00fac n\u00ean \u0111\u01b0\u1ee3c kh\u1eed n\u0103ng l\u01b0\u1ee3ng tr\u01b0\u1edbc khi l\u00e0m vi\u1ec7c tr\u1eeb khi \u00e1p d\u1ee5ng ngo\u1ea1i l\u1ec7 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u1eed n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng \u0111i\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c minh. quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t chi ph\u1ed1i d\u1ef1 \u00e1n th\u1ef1c t.<\/p>\n\n\n\n

N\u1ebfu thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS cho th\u1ea5y kh\u00f3i, m\u00f9i, \u0111\u1ed5i m\u00e0u, ho\u1ea1t \u0111\u1ed9ng b\u1ea3o v\u1ec7 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 t\u0103ng nhanh, h\u00e3y coi \u0111\u00f3 l\u00e0 t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n b\u1ea5t th\u01b0\u1eddng c\u1ea7n \u0111\u00e1nh gi\u00e1 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n. kh\u00f4ng s\u1eed d\u1ee5ng qu\u1ea1t t\u1ea1m th\u1eddi, c\u1eeda m\u1edf ho\u1eb7c c\u00e0i \u0111\u1eb7t chuy\u1ebfn \u0111i cao h\u01a1n \u0111\u1ec3 thay th\u1ebf cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n.<\/p>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi M\u1eabu Nhi\u1ec7t \u0111\u1ed9, Kh\u00f4ng ph\u1ea3i M\u00e0u N\u00f3ng nh\u1ea5t<\/h2>\n\n\n\n

H\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c m\u1ea1ch t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, nh\u01b0ng h\u00ecnh \u1ea3nh c\u1ea7n b\u1ed1i c\u1ea3nh ho\u1ea1t \u0111\u1ed9ng. ISO 18434-1<\/a>, v\u1eabn c\u00f2n hi\u1ec7u l\u1ef1c sau \u0111\u1ee3t \u0111\u00e1nh gi\u00e1 n\u0103m 2023, cung c\u1ea5p c\u00e1c quy tr\u00ecnh chung cho ph\u00e9p \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, ghi l\u1ea1i d\u00f2ng \u0111i\u1ec7n, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, v\u1ecb tr\u00ed ng\u0103n k\u00e9o, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng v\u00e0 b\u1ec1 m\u1eb7t \u0111o \u0111\u01b0\u1ee3c c\u00f9ng l\u00fac v\u1edbi h\u00ecnh \u1ea3nh nhi\u1ec7t. so s\u00e1nh c\u00e1c pha t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 d\u01b0\u1edbi t\u1ea3i t\u01b0\u01a1ng t\u1ef1 b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3. m\u1ed9t m\u00e0u \u0111\u1ecf tr\u00ean m\u1ed9t h\u00ecnh \u1ea3nh t\u1ef1 \u0111\u1ed9ng thu nh\u1ecf kh\u00f4ng ph\u1ea3i l\u00e0, b\u1edfi ch\u00ednh n\u00f3, m\u1ed9t ti\u00eau ch\u00ed th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n

\n
M\u1eabu quan s\u00e1t \u0111\u01b0\u1ee3c<\/th>Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 \u0111\u1ec3 \u0111i\u1ec1u tra<\/th>B\u1eb1ng ch\u1ee9ng \u0111\u1ec3 thu th\u1eadp<\/th><\/tr><\/thead>
M\u1ed9t ti\u1ebfp \u0111i\u1ec3m plug-in n\u00f3ng h\u01a1n c\u00e1c pha kh\u00e1c<\/td>\u0110i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac cao h\u01a1n, v\u1ea5n \u0111\u1ec1 c\u0103n ch\u1ec9nh, d\u00f2ng \u0111i\u1ec7n kh\u00f4ng b\u1eb1ng nhau ho\u1eb7c t\u1ea1o t\u00e1c \u0111o l\u01b0\u1eddng<\/td>D\u00f2ng \u0111i\u1ec7n pha, h\u00ecnh \u1ea3nh nhi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, ki\u1ec3m tra tr\u1ef1c quan ri\u00eang bi\u1ec7t<\/td><\/tr>\n
To\u00e0n b\u1ed9 ng\u0103n k\u00e9o \u1ea5m h\u01a1n so v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb li\u1ec1n k\u1ec1<\/td>T\u1ea3i tr\u1ecdng duy tr\u00ec cao h\u01a1n, t\u1ed5n th\u1ea5t thi\u1ebft b\u1ecb, lu\u1ed3ng kh\u00f4ng kh\u00ed b\u1ecb h\u1ea1n ch\u1ebf ho\u1eb7c h\u1ed7n h\u1ee3p th\u00e0nh ph\u1ea7n kh\u00e1c nhau<\/td>L\u1ecbch s\u1eed t\u1ea3i, n\u1ed9i dung ng\u0103n k\u00e9o, t\u1ea3i l\u00e2n c\u1eadn, \u0111i\u1ec1u ki\u1ec7n th\u00f4ng gi\u00f3<\/td><\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 t\u0103ng sau khi thay th\u1ebf ng\u0103n k\u00e9o<\/td>Li\u00ean h\u1ec7 v\u1edbi s\u1ef1 tham gia, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch, c\u0103n ch\u1ec9nh ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i<\/td>Nh\u1eadn d\u1ea1ng \u0111\u01a1n v\u1ecb, ki\u1ec3m tra c\u01a1 h\u1ecdc, h\u1ed3 s\u01a1 thay th\u1ebf l\u1eabn nhau \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t<\/td><\/tr>\n
Nhi\u1ec1u ng\u0103n k\u00e9o trong m\u1ed9t ph\u1ea7n d\u1ecdc ch\u1ea1y n\u00f3ng<\/td>T\u1ea3i tr\u1ecdng ph\u1ea7n, h\u1ea1n ch\u1ebf lu\u1ed3ng kh\u00f4ng kh\u00ed, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u1edf m\u1ee9c l\u1eafp r\u00e1p<\/td>T\u1ea3i \u0111\u1ed3ng th\u1eddi, nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, b\u1ea3n v\u1ebd s\u1eafp x\u1ebfp, tr\u1ea1ng th\u00e1i th\u00f4ng gi\u00f3<\/td><\/tr>\n
\u0110i\u1ec3m n\u00f3ng ch\u1ec9 xu\u1ea5t hi\u1ec7n khi kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1<\/td>B\u1eaft \u0111\u1ea7u chu k\u1ef3 hi\u1ec7n t\u1ea1i v\u00e0 nhi\u1ec7m v\u1ee5 thay v\u00ec t\u1ea3i \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh<\/td>T\u1ea7n su\u1ea5t b\u1eaft \u0111\u1ea7u, th\u1eddi gian t\u0103ng t\u1ed1c, d\u1eef li\u1ec7u kh\u1edfi \u0111\u1ed9ng, b\u1ea3n ghi hi\u1ec7n t\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi s\u1ef1 ki\u1ec7n<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n

Ma tr\u1eadn b\u1eb1ng ch\u1ee9ng n\u00e0y ng\u0103n ch\u1eb7n vi\u1ec7c xem x\u00e9t thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS nh\u1ea3y tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u201cli\u00ean h\u1ec7 x\u1ea5u\u201d ho\u1eb7c \u201cqu\u00e1 t\u1ea3i\u201d tr\u01b0\u1edbc khi m\u1eabu h\u1ed7 tr\u1ee3 k\u1ebft lu\u1eadn \u0111\u00f3.<\/p>\n\n\n\n

Ki\u1ec3m tra t\u1ea3i th\u1ef1c t\u1ebf v\u00e0 th\u1eddi l\u01b0\u1ee3ng c\u1ee7a n\u00f3<\/h2>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi b\u1ed9 n\u1ea1p, \u0111o d\u00f2ng \u0111i\u1ec7n v\u00e0 l\u1ecbch s\u1eed ho\u1ea1t \u0111\u1ed9ng. so s\u00e1nh n\u00f3 v\u1edbi x\u1ebfp h\u1ea1ng m\u1ea1ch \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh l\u1eafp r\u00e1p. m\u1ed9t ng\u0103n k\u00e9o ph\u1ee5c v\u1ee5 m\u1ed9t \u0111\u1ed9ng c\u01a1 ch\u1ea1y li\u00ean t\u1ee5c c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec7m v\u1ee5 nhi\u1ec7t kh\u00e1c v\u1edbi m\u1ed9t \u0111\u01a1n v\u1ecb gi\u1ed1ng h\u1ec7t nhau mang t\u1ea3i qu\u00e1 tr\u00ecnh kh\u00f4ng li\u00ean t\u1ee5c.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, kh\u00f4ng so s\u00e1nh d\u00f2ng \u0111i\u1ec7n \u0111o \u0111\u01b0\u1ee3c ch\u1ec9 v\u1edbi k\u00edch th\u01b0\u1edbc khung c\u1ee7a c\u1ea7u dao ho\u1eb7c c\u00f4ng t\u1eafc t\u01a1 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t. \u0111\u1ecbnh m\u1ee9c m\u1ea1ch, k\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn, c\u00e1c th\u00e0nh ph\u1ea7n kh\u1edfi \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i, b\u1ed1 tr\u00ed v\u1ecf b\u1ecdc v\u00e0 t\u1ea3i \u0111\u1ed3ng th\u1eddi \u0111\u1ec1u g\u00f3p ph\u1ea7n v\u00e0o h\u00e0nh vi nhi\u1ec7t c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n\n\n\n

IEC 61439-2:2020<\/a> l\u00e0 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m IEC hi\u1ec7n t\u1ea1i cho c\u00e1c c\u1ee5m thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng su\u1ea5t.N\u00f3 bao g\u1ed3m c\u00e1c y\u00eau c\u1ea7u li\u00ean quan \u0111\u1ebfn x\u00e1c minh nhi\u1ec7t \u0111\u1ed9 t\u0103ng v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 r\u00fat ho\u1eb7c th\u00e1o r\u1eddi.Do \u0111\u00f3, x\u1ebfp h\u1ea1ng l\u1eafp r\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng, kh\u00f4ng \u0111\u01b0\u1ee3c suy ra t\u1eeb m\u1ed9t b\u1ea3ng t\u00ean thi\u1ebft b.<\/p>\n\n\n\n

Kh\u00f4ng coi c\u00e0i \u0111\u1eb7t ng\u1eaft l\u00e0 x\u1ebfp h\u1ea1ng ng\u0103n k\u00e9o<\/h3>\n\n\n\n

Gi\u1ea3 s\u1eed m\u1ed9t c\u1ea7u dao \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ebfn 200 A. C\u00e0i \u0111\u1eb7t \u0111\u00f3 kh\u00f4ng ch\u1ee9ng minh r\u1eb1ng m\u1ecdi d\u00e2y d\u1eabn, ti\u1ebfp \u0111i\u1ec3m c\u1eafm, thi\u1ebft b\u1ecb kh\u1edfi \u0111\u1ed9ng v\u00e0 b\u1ed1 tr\u00ed v\u1ecf trong ng\u0103n k\u00e9o thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS \u0111\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf 200 A trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 nh\u00f3m th\u1ef1c t\u1ebf. D\u1eef li\u1ec7u l\u1eafp r\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh v\u00e0 t\u00e0i li\u1ec7u d\u1ef1 \u00e1n v\u1eabn l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, m\u1ed9t b\u1ed9 n\u1ea1p ho\u1ea1t \u0111\u1ed9ng b\u00ean d\u01b0\u1edbi c\u00e0i \u0111\u1eb7t b\u1ed9 ng\u1eaft v\u1eabn c\u00f3 th\u1ec3 tr\u1ea3i nghi\u1ec7m h\u1ec7 th\u1ed1ng s\u01b0\u1edfi c\u1ee5c b\u1ed9 n\u1ebfu \u0111i\u1ec7n tr\u1edf k\u1ebft n\u1ed1i \u0111\u00e3 t\u0103ng l\u00ean. t\u1ea3i v\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ri\u00eang.<\/p>\n\n\n\n

T\u1ea1i sao Li\u00ean h\u1ec7 Kh\u00e1ng chi\u1ebfn T\u1ea1o \u0110i\u1ec3m n\u00f3ng \u0110\u1ecba ph\u01b0\u01a1ng<\/h2>\n\n\n\n
\"Thi\u1ebft<\/figure>\n\n\n\n

M\u1ed9t ng\u0103n k\u00e9o c\u00f3 th\u1ec3 r\u00fat ra th\u01b0\u1eddng d\u1ef1a v\u00e0o c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng v\u1edbi xe bu\u00fdt v\u00e0 m\u1ea1ch \u0111i. h\u1ec7 th\u1ed1ng ti\u1ebfp x\u00fac c\u1ea7n tham gia ch\u00ednh x\u00e1c, \u00e1p l\u1ef1c ti\u1ebfp x\u00fac \u0111\u1ea7y \u0111\u1ee7, \u0111i\u1ec1u ki\u1ec7n b\u1ec1 m\u1eb7t ph\u00f9 h\u1ee3p v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.<\/p>\n\n\n\n

Trong thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, \u00f4 nhi\u1ec5m, m\u00e0i m\u00f2n, h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc, tham gia kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c m\u1ed9t ngu\u1ed3n kh\u00e1ng t\u0103ng kh\u00e1c c\u00f3 th\u1ec3 t\u1eadp trung s\u01b0\u1edfi \u1ea5m t\u1ea1i m\u1ed9t giao di\u1ec7n nh\u1ecf. m\u1ed1i quan h\u1ec7 I\u00b2R gi\u1ea3i th\u00edch t\u1ea1i sao c\u00f9ng m\u1ed9t d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u nhi\u1ec7t h\u01a1n sau khi \u0111i\u1ec7n tr\u1edf t\u0103ng.<\/p>\n\n\n\n

Kh\u00f4ng suy ra khi\u1ebfm khuy\u1ebft t\u1eeb nhi\u1ec7t \u0111\u1ed9 m\u1ed9t m\u00ecnh.Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra c\u00f4 l\u1eadp \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, nh\u00e2n vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9 n\u00ean so s\u00e1nh c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, t\u00ecnh tr\u1ea1ng c\u01a1 h\u1ecdc v\u00e0 s\u1ef1 tham gia v\u1edbi c\u00e1c ti\u00eau ch\u00ed c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. b\u1ea5t k\u1ef3 ph\u00e9p \u0111o \u0111i\u1ec7n tr\u1edf ho\u1eb7c \u0111\u00e1nh gi\u00e1 l\u1ef1c ti\u1ebfp x\u00fac n\u00e0o c\u0169ng ph\u1ea3i tu\u00e2n theo quy tr\u00ecnh thi\u1ebft b\u1ecb th\u00edch h\u1ee3p.<\/p>\n\n\n\n

M\u1ed9t so s\u00e1nh minh h\u1ecda \u0111\u01a1n gi\u1ea3n<\/h3>\n\n\n\n

Gi\u1ea3 s\u1eed hai k\u1ebft n\u1ed1i gi\u1ed1ng h\u1ec7t nhau, m\u1ed7i k\u1ebft n\u1ed1i mang 160 A. N\u1ebfu m\u1ed9t k\u1ebft n\u1ed1i c\u00f3 \u0111i\u1ec7n tr\u1edf hi\u1ec7u d\u1ee5ng l\u00e0 80 micro-ohms v\u00e0 k\u1ebft n\u1ed1i kh\u00e1c c\u00f3 200 micro-ohms, t\u1ed5n th\u1ea5t \u0111i\u1ec7n tr\u1edf \u0111\u01a1n gi\u1ea3n h\u00f3a l\u1ea7n l\u01b0\u1ee3t l\u00e0 kho\u1ea3ng 2,05 W v\u00e0 5,12 W. K\u1ebft n\u1ed1i th\u1ee9 hai t\u1ea1o ra t\u1ed5n th\u1ea5t c\u1ee5c b\u1ed9 kho\u1ea3ng 2,5 l\u1ea7n \u1edf c\u00f9ng m\u1ed9t d\u00f2ng \u0111i\u1ec7n.<\/p>\n\n\n\n

Nh\u1eefng gi\u00e1 tr\u1ecb n\u00e0y l\u00e0 gi\u1ea3 thuy\u1ebft v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1edbi h\u1ea1n ch\u1ea5p nh\u1eadn cho thi\u1ebft b\u1ecb Lanshan. h\u1ec7 th\u1ed1ng ti\u1ebfp x\u00fac th\u1ef1c t\u1ebf c\u00f3 \u0111\u01b0\u1eddng d\u1eabn nhi\u1ec7t ph\u1ee9c t\u1ea1p, v\u00e0 c\u00e1c ph\u00e9p \u0111o \u0111i\u1ec7n tr\u1edf tr\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 gi\u1ea3i th\u00edch th\u00edch h\u1ee3p. v\u00ed d\u1ee5 ch\u1ec9 cho th\u1ea5y l\u00fd do t\u1ea1i sao m\u1ed9t s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf khi\u00eam t\u1ed1n c\u00f3 th\u1ec3 quan tr\u1ecdng trong thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS.<\/p>\n\n\n\n

Ki\u1ec3m tra c\u0103n ch\u1ec9nh ng\u0103n k\u00e9o v\u00e0 tham gia c\u01a1 h\u1ecdc<\/h2>\n\n\n\n

X\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 r\u00fat ra th\u00eam c\u00e1c giao di\u1ec7n c\u01a1 kh\u00ed m\u00e0 thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh kh\u00f4ng c\u00f3. ng\u0103n k\u00e9o ph\u1ea3i \u0111\u1ea1t \u0111\u1ebfn v\u1ecb tr\u00ed d\u1ecbch v\u1ee5 d\u1ef1 \u0111\u1ecbnh v\u00e0 c\u00e1c k\u1ebft n\u1ed1i ch\u00ednh v\u00e0 ph\u1ee5 tr\u1ee3 c\u1ee7a n\u00f3 ph\u1ea3i tham gia nh\u01b0 thi\u1ebft k\u1ebf. m\u1ed9t \u0111\u01a1n v\u1ecb xu\u1ea5t hi\u1ec7n \u0111\u00f3ng c\u1eeda t\u1eeb ph\u00eda tr\u01b0\u1edbc v\u1eabn c\u00f3 th\u1ec3 y\u00eau c\u1ea7u xem x\u00e9t c\u01a1 h\u1ecdc n\u1ebfu nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c l\u1ecbch s\u1eed ho\u1ea1t \u0111\u1ed9ng cho th\u1ea5y m\u1ed9t \u0111i\u1ec1u ki\u1ec7n b\u1ea5t th\u01b0\u1eddng.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, h\u00e3y \u0111i\u1ec1u tra xem ng\u0103n k\u00e9o g\u1ea7n \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00e1o ra, thay th\u1ebf ho\u1eb7c trao \u0111\u1ed5i v\u1edbi m\u1ed9t \u0111\u01a1n v\u1ecb kh\u00e1c. x\u00e1c nh\u1eadn danh t\u00ednh \u0111\u01a1n v\u1ecb, k\u00edch th\u01b0\u1edbc, x\u1ebfp h\u1ea1ng, m\u00e3 h\u00f3a c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng thay th\u1ebf l\u1eabn nhau \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u00ea duy\u1ec7t. k\u00edch th\u01b0\u1edbc b\u00ean ngo\u00e0i t\u01b0\u01a1ng t\u1ef1 kh\u00f4ng ch\u1ee9ng minh r\u1eb1ng hai ng\u0103n k\u00e9o c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau v\u1ec1 \u0111i\u1ec7n v\u00e0 c\u01a1 h\u1ecdc.<\/p>\n\n\n\n

T\u00ecm ki\u1ebfm b\u1eb1ng ch\u1ee9ng v\u1ec1 c\u00e1c d\u1ea5u ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, bi\u1ebfn d\u1ea1ng, c\u00e1c b\u1ed9 ph\u1eadn h\u1ed7 tr\u1ee3 l\u1ecfng l\u1ebbo ho\u1eb7c kh\u00f3 v\u1eadn h\u00e0nh ch\u1ec9 sau khi thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o an to\u00e0n.N\u1ebfu c\u01a1 ch\u1ebf kh\u00f4ng di chuy\u1ec3n b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng s\u1eed d\u1ee5ng th\u00eam l\u1ef1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 tham gia.Nguy\u00ean nh\u00e2n n\u00ean \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft ch\u1ed1ng l\u1ea1i c\u00e1c b\u1ea3n v\u1ebd v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n

T\u00e1ch c\u00e1c ti\u1ebfp \u0111i\u1ec3m ch\u00ednh kh\u1ecfi h\u1ec7 th\u1ed1ng s\u01b0\u1edfi Contactor v\u00e0 Starter<\/h2>\n\n\n\n

Kh\u00f4ng ph\u1ea3i m\u1ecdi \u0111i\u1ec3m n\u00f3ng b\u00ean trong ng\u0103n k\u00e9o \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 \u0111\u1ec1u l\u00e0 k\u1ebft n\u1ed1i xe bu\u00fdt. c\u00f4ng t\u1eafc t\u01a1, r\u01a1le qu\u00e1 t\u1ea3i, c\u1ea7u ch\u00ec, c\u1ea7u dao, thi\u1ebft b\u1ecb b\u00e1n d\u1eabn ho\u1eb7c m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 l\u00e0 ngu\u1ed3n nhi\u1ec7t chi\u1ebfm \u01b0u th\u1ebf t\u00f9y thu\u1ed9c v\u00e0o m\u1ea1ch.<\/p>\n\n\n\n

IEC 60947-4-1:2023<\/a> \u00e1p d\u1ee5ng cho contactor c\u01a1 \u0111i\u1ec7n v\u00e0 \u0111\u1ed9ng c\u01a1-kh\u1edfi \u0111\u1ed9ng trong ph\u1ea1m vi c\u1ee7a n\u00f3. khi m\u1ed9t ng\u0103n k\u00e9o thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS ch\u1ee9a c\u00e1c thi\u1ebft b\u1ecb n\u00e0y, xem x\u00e9t x\u1ebfp h\u1ea1ng l\u1ef1a ch\u1ecdn c\u1ee7a h\u1ecd v\u00e0 nhi\u1ec7m v\u1ee5 ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 c\u00e1c y\u00eau c\u1ea7u c\u1ea5p l\u1eafp r\u00e1p.<\/p>\n\n\n\n

M\u1ed9t contactor ho\u1ea1t \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t l\u1ecbch s\u1eed nhi\u1ec7t v\u00e0 c\u01a1 kh\u00ed kh\u00e1c nhau t\u1eeb m\u1ed9t v\u1eabn \u0111\u00f3ng c\u1eeda trong th\u1eddi gian d\u00e0i. t\u1ea7n s\u1ed1 kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, th\u1eddi gian t\u0103ng t\u1ed1c, lo\u1ea1i s\u1eed d\u1ee5ng, v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh n\u00ean l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a cu\u1ed9c \u0111i\u1ec1u tra n\u1ebfu \u0111i\u1ec3m n\u00f3ng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi kh\u1edfi \u0111\u1ed9ng ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c \u0111\u1ecba ch\u1ec9 li\u00ean l\u1ea1c plug-in.<\/p>\n\n\n\n

Xem l\u1ea1i Ph\u1ea7n \u0110i\u1ec1u ki\u1ec7n t\u1ea3i v\u00e0 l\u00e0m m\u00e1t<\/h2>\n\n\n\n
\"B\u1ed1<\/figure>\n\n\n\n

M\u1ed9t ph\u1ea7n th\u1eb3ng \u0111\u1ee9ng c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS c\u00f3 th\u1ec3 ch\u1ee9a m\u1ed9t s\u1ed1 \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng. Ngay c\u1ea3 khi m\u1ecdi ng\u0103n k\u00e9o \u0111\u1ec1u n\u1eb1m trong \u0111\u1ecbnh m\u1ee9c m\u1ea1ch ri\u00eang c\u1ee7a n\u00f3, t\u1ed5n th\u1ea5t k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed c\u1ee5c b\u1ed9 n\u1ebfu t\u1ea3i \u0111\u1ed3ng th\u1eddi th\u1ef1c t\u1ebf kh\u00e1c v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh thi\u1ebft k\u1ebf.<\/p>\n\n\n\n

Ki\u1ec3m tra xem c\u00e1c ng\u0103n k\u00e9o t\u1ea3i cao li\u1ec1n k\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, c\u00e1c \u0111\u01a1n v\u1ecb d\u1ef1 ph\u00f2ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ho\u1ea1t \u0111\u1ed9ng, c\u00e1c b\u1ed9 l\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t, c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3 b\u1ecb c\u1ea3n tr\u1edf ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng t\u0103ng l\u00ean sau khi thay \u0111\u1ed5i quy tr\u00ecnh. nh\u1eefng thay \u0111\u1ed5i n\u00e0y c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i ch\u00ednh b\u1ed9 n\u1ea1p b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n

Kh\u00f4ng \u0111\u1ec3 c\u1eeda b\u1ea3ng m\u1edf \u0111\u1ec3 l\u00e0m m\u00e1t thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS.C\u1ea5u h\u00ecnh bao v\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 v\u00e0 thi\u1ebft k\u1ebf nhi\u1ec7t.B\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o \u0111\u1ed1i v\u1edbi th\u00f4ng gi\u00f3, b\u1ed9 l\u1ecdc, qu\u1ea1t ho\u1eb7c r\u00e0o c\u1ea3n b\u00ean trong n\u00ean nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh l\u1eafp r\u00e1p c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

Nh\u00ecn xa h\u01a1n B\u1ed9 \u0111i\u1ec1u nhi\u1ec7t ph\u00f2ng t\u1ed5ng \u0111\u00e0i<\/h3>\n\n\n\n

\u0110o \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng kh\u00ed li\u00ean quan \u0111\u1ebfn thi\u1ebft b\u1ecb, kh\u00f4ng ch\u1ec9 c\u1ea3m bi\u1ebfn qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 tr\u00ean m\u1ed9t b\u1ee9c t\u01b0\u1eddng kh\u00e1c. m\u1ed9t ph\u00f2ng chuy\u1ec3n m\u1ea1ch c\u00f3 th\u1ec3 c\u00f3 tu\u1ea7n ho\u00e0n c\u1ee5c b\u1ed9 ho\u1eb7c t\u00fai kh\u00ed n\u00f3ng xung quanh m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea3i n\u1eb7ng. t\u01b0\u01a1ng quan nhi\u1ec7t \u0111\u1ed9 t\u1ee7 v\u1edbi c\u00f9ng kho\u1ea3ng th\u1eddi gian v\u1edbi t\u1ea3i \u0111i\u1ec7n.<\/p>\n\n\n\n

N\u1ebfu th\u00f4ng gi\u00f3 c\u01b0\u1ee1ng b\u1ee9c \u0111\u01b0\u1ee3c cung c\u1ea5p, x\u00e1c nh\u1eadn ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n. m\u1ed9t qu\u1ea1t ch\u1ea1y v\u1edbi m\u1ed9t \u0111\u1ea7u v\u00e0o b\u1ecb ch\u1eb7n ho\u1eb7c b\u1ed9 l\u1ecdc b\u1ecb h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 kh\u00f4ng cung c\u1ea5p l\u00e0m m\u00e1t d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng m\u1ea5t c\u00e2n b\u1eb1ng pha l\u00e0m b\u1eb1ng ch\u1ee9ng, kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ea9n \u0111o\u00e1n t\u1ef1 \u0111\u1ed9ng<\/h2>\n\n\n\n

So s\u00e1nh d\u00f2ng \u0111i\u1ec7n pha trong \u0111\u00f3 m\u1ea1ch cho ph\u00e9p so s\u00e1nh c\u00f3 \u00fd ngh\u0129a.M\u1ed9t pha mang nhi\u1ec1u d\u00f2ng \u0111i\u1ec7n h\u01a1n s\u1ebd t\u1ef1 nhi\u00ean t\u1ea1o ra t\u1ed5n th\u1ea5t d\u00e2y d\u1eabn v\u00e0 ti\u1ebfp x\u00fac l\u1edbn h\u01a1n, do \u0111\u00f3 pha n\u00f3ng h\u01a1n kh\u00f4ng t\u1ef1 \u0111\u1ed9ng ch\u1ee9ng minh k\u1ebft n\u1ed1i b\u1ecb l\u1ed7i.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, h\u00e3y h\u1ecfi xem b\u1ea3n th\u00e2n t\u1ea3i c\u00f3 m\u1ea5t c\u00e2n b\u1eb1ng hay kh\u00f4ng, li\u1ec7u s\u00f3ng h\u00e0i c\u00f3 \u0111\u00e1ng k\u1ec3 hay kh\u00f4ng v\u00e0 li\u1ec7u ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u00f3 c\u00f2n kh\u00f4ng c\u00e2n x\u1ee9ng sau khi xem x\u00e9t ch\u00eanh l\u1ec7ch d\u00f2ng \u0111i\u1ec7n hay kh\u00f4ng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi t\u1ea3i m\u1ed9t pha h\u1ed7n h\u1ee3p v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n

N\u1ebfu hi\u1ec7n t\u1ea1i g\u1ea7n b\u1eb1ng nhau nh\u01b0ng m\u1ed9t ti\u1ebfp \u0111i\u1ec3m so s\u00e1nh n\u00f3ng h\u01a1n nhi\u1ec1u, \u0111i\u1ec7n tr\u1edf ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n c\u01a1 h\u1ecdc tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3 thuy\u1ebft m\u1ea1nh h\u01a1n.N\u1ebfu c\u1ea3 d\u00f2ng \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n tr\u00ean c\u00f9ng m\u1ed9t pha, vi\u1ec7c xem x\u00e9t ph\u1ea3i t\u00e1ch t\u1ea3i \u0111\u00f3ng g\u00f3p t\u1eeb \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i.<\/p>\n\n\n\n

Ph\u00e2n bi\u1ec7t Temperature-Rise Verification v\u1edbi Field Trending<\/h2>\n\n\n\n

X\u00e1c minh l\u1eafp r\u00e1p IEC v\u00e0 gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng hi\u1ec7n tr\u01b0\u1eddng tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi kh\u00e1c nhau. x\u00e1c minh thi\u1ebft l\u1eadp r\u1eb1ng m\u1ed9t thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a n\u00f3 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. xu h\u01b0\u1edbng hi\u1ec7n tr\u01b0\u1eddng h\u1ecfi li\u1ec7u m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u0111ang thay \u0111\u1ed5i ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng kh\u00e1c v\u1edbi thi\u1ebft b\u1ecb t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n\n\n\n

M\u1ed9t h\u00ecnh \u1ea3nh nhi\u1ec7t t\u1eeb thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y nh\u01b0 l\u00e0 m\u1ed9t thay th\u1ebf cho vi\u1ec7c x\u00e1c minh thi\u1ebft k\u1ebf.T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, m\u1ed9t b\u00e1o c\u00e1o thi\u1ebft k\u1ebf-x\u00e1c minh kh\u00f4ng ch\u1ee9ng minh r\u1eb1ng m\u1ed9t ti\u1ebfp x\u00fac tr\u01b0\u1eddng m\u01b0\u1eddi n\u0103m tu\u1ed5i v\u1eabn c\u00f2n trong t\u00ecnh tr\u1ea1ng ban \u0111\u1ea7u c\u1ee7a n\u00f3.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng c\u1ea3 hai d\u1ea1ng b\u1eb1ng ch\u1ee9ng m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p: d\u1eef li\u1ec7u thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 l\u1ecbch s\u1eed ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111ang ph\u00e1t tri\u1ec3n.Khi thay \u0111\u1ed5i c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, h\u00e3y x\u00e1c nh\u1eadn xem c\u01a1 s\u1edf x\u00e1c minh tr\u01b0\u1edbc \u0111\u00f3 c\u00f3 c\u00f2n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng hay kh\u00f4ng.<\/p>\n\n\n\n

V\u00ed d\u1ee5: M\u1ed9t ng\u0103n k\u00e9o ch\u1ea1y n\u00f3ng sau khi m\u1edf r\u1ed9ng s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n

H\u00e3y xem x\u00e9t m\u1ed9t nh\u00e0 m\u00e1y gi\u1ea3 \u0111\u1ecbnh n\u01a1i m\u1ed9t ng\u0103n k\u00e9o thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS cung c\u1ea5p m\u1ed9t \u0111\u1ed9ng c\u01a1 x\u1eed l\u00fd. ng\u0103n k\u00e9o \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng trong v\u00e0i n\u0103m m\u00e0 kh\u00f4ng c\u00f3 ch\u1ec9 d\u1eabn nhi\u1ec7t \u0111\u1ed9 b\u1ea5t th\u01b0\u1eddng. sau khi m\u1edf r\u1ed9ng s\u1ea3n xu\u1ea5t, \u0111\u1ed9ng c\u01a1 ch\u1ea1y trong th\u1eddi gian d\u00e0i h\u01a1n v\u00e0 ng\u0103n k\u00e9o d\u1ef1 ph\u00f2ng g\u1ea7n \u0111\u00f3 c\u0169ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

M\u1ed9t cu\u1ed9c kh\u1ea3o s\u00e1t nhi\u1ec7t b\u00e2y gi\u1edd cho th\u1ea5y ng\u0103n k\u00e9o b\u1ecb \u1ea3nh h\u01b0\u1edfng l\u00e0 \u1ea5m h\u01a1n so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y.B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 kh\u00f4ng thay th\u1ebf ng\u0103n k\u00e9o.\u0110\u00e1nh gi\u00e1 c\u0103n ch\u1ec9nh hi\u1ec7n t\u1ea1i, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, t\u1ea3i ph\u1ea7n l\u00e2n c\u1eadn, v\u00e0 h\u00ecnh \u1ea3nh nhi\u1ec7t v\u1edbi c\u00f9ng m\u1ed9t th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

Gi\u1ea3 s\u1eed d\u00f2ng \u0111i\u1ec7n trung chuy\u1ec3n t\u0103ng 12%, ph\u1ea7n l\u00e2n c\u1eadn tr\u1edf n\u00ean n\u1eb7ng h\u01a1n t\u1ea3i, v\u00e0 c\u1ea3 ba giai \u0111o\u1ea1n c\u1ee7a ng\u0103n k\u00e9o \u1ea5m l\u00ean b\u1edfi m\u1ed9t s\u1ed1 ti\u1ec1n t\u01b0\u01a1ng t\u1ef1. m\u00f4 h\u00ecnh \u0111\u00f3 h\u1ed7 tr\u1ee3 m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra v\u1ec1 nhi\u1ec7m v\u1ee5 duy tr\u00ec v\u00e0 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t ph\u1ea7n tr\u01b0\u1edbc khi gi\u1ea3 \u0111\u1ecbnh m\u1ed9t ti\u1ebfp \u0111i\u1ec3m b\u1ecb h\u01b0 h\u1ecfng duy nh\u1ea5t.<\/p>\n\n\n\n

N\u1ebfu, thay v\u00e0o \u0111\u00f3, m\u1ed9t li\u00ean h\u1ec7 pha n\u00f3ng h\u01a1n nhi\u1ec1u trong khi d\u00f2ng \u0111i\u1ec7n ba pha v\u1eabn t\u01b0\u01a1ng t\u1ef1, m\u1ed9t v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i ho\u1eb7c c\u0103n ch\u1ec9nh c\u1ee5c b\u1ed9 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3 thuy\u1ebft \u01b0u ti\u00ean cao h\u01a1n. sau \u0111\u00f3, thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS n\u00ean \u0111\u01b0\u1ee3c c\u00e1ch ly v\u00e0 ki\u1ec3m tra b\u1edfi nh\u00e2n vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9 theo c\u00e1c th\u1ee7 t\u1ee5c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n

\u0110i\u1ec3m quan tr\u1ecdng l\u00e0 c\u00f9ng m\u1ed9t tri\u1ec7u ch\u1ee9ng \u0111\u00f3 l\u00e0 \u201cs\u1ef1 qu\u00e1 n\u00f3ng c\u1ee7a ng\u0103n k\u00e9o\u201dtherapan ph\u00e1t sinh t\u1eeb c\u00e1c c\u01a1 ch\u1ebf kh\u00e1c nhau. b\u1eb1ng ch\u1ee9ng n\u00ean x\u00e1c \u0111\u1ecbnh h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c.<\/p>\n\n\n\n

Ghi g\u00ec tr\u01b0\u1edbc khi y\u00eau c\u1ea7u ng\u0103n k\u00e9o thay th\u1ebf<\/h2>\n\n\n\n
\"H\u00e0ng<\/figure>\n\n\n\n

Khi m\u1ed9t thay th\u1ebf ho\u1eb7c trang b\u1ecb th\u00eam \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t, g\u1eedi cho nh\u00e0 s\u1ea3n xu\u1ea5t nhi\u1ec1u h\u01a1n m\u1ed9t b\u1ee9c \u1ea3nh c\u1ee7a khu v\u1ef1c n\u00f3ng.\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS, cung c\u1ea5p nh\u1eadn d\u1ea1ng l\u1eafp r\u00e1p, ch\u1ec9 \u0111\u1ecbnh ng\u0103n k\u00e9o, ch\u1ee9c n\u0103ng m\u1ea1ch, l\u1ecbch s\u1eed t\u1ea3i, thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, b\u1eb1ng ch\u1ee9ng nhi\u1ec7t, v\u00e0 chi ti\u1ebft c\u1ee7a b\u1ea5t k\u1ef3 thay \u0111\u1ed5i g\u1ea7n \u0111\u00e2y.<\/p>\n\n\n\n

\n
Th\u00f4ng tin \u0111\u1ec3 cung c\u1ea5p<\/th>T\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/th><\/tr><\/thead>
B\u1ea3ng t\u00ean l\u1eafp r\u00e1p v\u00e0 tham chi\u1ebfu b\u1ea3n v\u1ebd<\/td>X\u00e1c \u0111\u1ecbnh h\u1ecd thi\u1ebft b\u1ecb v\u00e0 s\u1ef1 s\u1eafp x\u1ebfp \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh<\/td><\/tr>\n
S\u1ed1 ng\u0103n k\u00e9o v\u00e0 ch\u1ee9c n\u0103ng m\u1ea1ch<\/td>K\u1ebft n\u1ed1i quan s\u00e1t v\u1edbi b\u1ed9 c\u1ea5p li\u1ec7u ho\u1eb7c nhi\u1ec7m v\u1ee5 c\u1ee7a \u0111\u1ed9ng c\u01a1<\/td><\/tr>\n
\u0110o d\u00f2ng \u0111i\u1ec7n theo pha v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/td>T\u00e1ch t\u1ea3i t\u1eeb s\u01b0\u1edfi \u1ea5m ho\u00e0n to\u00e0n c\u1ee5c b\u1ed9<\/td><\/tr>\n
H\u00ecnh \u1ea3nh nhi\u1ec7t v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 d\u1ea5u th\u1eddi gian<\/td>Cho ph\u00e9p so s\u00e1nh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00e3 bi\u1ebft<\/td><\/tr>\n
Thi\u1ebft b\u1ecb ng\u1eaft, c\u00f4ng t\u1eafc t\u01a1, qu\u00e1 t\u1ea3i v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t<\/td>Ki\u1ec3m tra c\u1ea5u h\u00ecnh \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng th\u1ef1c t\u1ebf<\/td><\/tr>\n
L\u1ecbch s\u1eed thay th\u1ebf, gi\u00e1 \u0111\u1ee1, b\u1ea3o tr\u00ec ho\u1eb7c m\u1edf r\u1ed9ng g\u1ea7n \u0111\u00e2y<\/td>L\u00e0m n\u1ed5i b\u1eadt nh\u1eefng thay \u0111\u1ed5i v\u1ec1 c\u01a1 h\u1ecdc ho\u1eb7c h\u1ec7 th\u1ed1ng<\/td><\/tr>\n
M\u1ee5c ti\u00eau d\u1ef1 ph\u00f2ng ho\u1eb7c thay th\u1ebf l\u1eabn nhau c\u1ea7n thi\u1ebft<\/td>X\u00e1c \u0111\u1ecbnh xem c\u00f3 c\u1ea7n thay th\u1ebf ho\u1eb7c trang b\u1ecb th\u00eam k\u1ef9 thu\u1eadt gi\u1ed1ng h\u1ec7t nhau hay kh\u00f4ng<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n

c\u1ee7a Lanshan MNS \u0111i\u1ec7n \u00e1p th\u1ea5p c\u00f3 th\u1ec3 r\u00fat switchgear<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1ed9 n\u1ea1p v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 c\u1ee7a d\u1ef1 \u00e1n. Y\u00eau c\u1ea7u x\u00e1c nh\u1eadn v\u1ec1 c\u00e1ch s\u1eafp x\u1ebfp ng\u0103n k\u00e9o ch\u00ednh x\u00e1c, x\u1ebfp h\u1ea1ng, t\u00e1ch bi\u1ec7t b\u00ean trong v\u00e0 x\u00e1c minh \u00e1p d\u1ee5ng cho c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t.<\/p>\n\n\n\n

Ng\u0103n ch\u1eb7n vi\u1ec7c s\u01b0\u1edfi \u1ea5m l\u1eb7p l\u1ea1i trong c\u00e1c d\u1ef1 \u00e1n thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS m\u1edbi<\/h2>\n\n\n\n

\u0110\u1ed1i v\u1edbi m\u1ed9t d\u1ef1 \u00e1n m\u1edbi, ph\u00f2ng ng\u1eeba b\u1eaft \u0111\u1ea7u v\u1edbi nhi\u1ec7m v\u1ee5 feeder ch\u00ednh x\u00e1c v\u00e0 b\u1ed1 tr\u00ed ph\u1ea3n \u00e1nh ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi. cung c\u1ea5p \u0111\u1ed9ng c\u01a1 ho\u1eb7c feeder l\u1ecbch tr\u00ecnh, thi\u1ebft k\u1ebf hi\u1ec7n t\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p b\u1eaft \u0111\u1ea7u, chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng, \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng, v\u00e0 tri\u1ebft l\u00fd b\u1ea3o tr\u00ec c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh.<\/p>\n\n\n\n

\u0110\u1ed3ng \u00fd c\u00e1ch ng\u0103n k\u00e9o d\u1ef1 ph\u00f2ng s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u00e0 ki\u1ec3m so\u00e1t. m\u1ed9t ph\u1ee5 t\u00f9ng ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb khi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n, m\u00e3 h\u00f3a, k\u1ebft n\u1ed1i v\u00e0 s\u1eafp x\u1ebfp c\u01a1 kh\u00ed c\u1ee7a n\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ea1ch m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c d\u1ef1 \u0111\u1ecbnh. kh\u00f4ng x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng thay th\u1ebf l\u1eabn nhau ch\u1ec9 b\u1eb1ng k\u00edch th\u01b0\u1edbc ng\u0103n k\u00e9o.<\/p>\n\n\n\n

Ch\u1ec9 \u0111\u1ecbnh d\u1eef li\u1ec7u v\u1eadn h\u00e0nh n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c ghi l\u1ea1i sau khi v\u1eadn h\u00e0nh. h\u00ecnh \u1ea3nh nhi\u1ec7t c\u01a1 b\u1ea3n d\u01b0\u1edbi t\u1ea3i \u0111\u00e3 bi\u1ebft c\u00f3 th\u1ec3 l\u00e0m cho vi\u1ec7c so s\u00e1nh thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS trong t\u01b0\u01a1ng lai c\u00f3 \u00fd ngh\u0129a h\u01a1n, mi\u1ec5n l\u00e0 trang web c\u00f3 ch\u01b0\u01a1ng tr\u00ecnh \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 nh\u00e2n vi\u00ean c\u00f3 tr\u00ecnh \u0111.<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, gi\u1eef b\u1ea3n v\u1ebd cu\u1ed1i c\u00f9ng, c\u00e0i \u0111\u1eb7t, l\u1ecbch tr\u00ecnh thi\u1ebft b\u1ecb, v\u00e0 h\u1ed3 s\u01a1 th\u01b0\u1eddng xuy\u00ean-x\u00e1c minh v\u1edbi c\u00e1c thi\u1ebft b\u1ecb. quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec l\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n khi \u0111\u1ed9i ng\u0169 hi\u1ec7n tr\u01b0\u1eddng c\u00f3 th\u1ec3 so s\u00e1nh c\u1ea5u h\u00ecnh c\u00e0i \u0111\u1eb7t v\u1edbi nh\u1eefng g\u00ec \u0111\u00e3 th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn<\/h2>\n\n\n\n

MNS switchgear qu\u00e1 n\u00f3ng n\u00ean \u0111\u01b0\u1ee3c \u0111i\u1ec1u tra nh\u01b0 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 b\u1eb1ng ch\u1ee9ng, kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch \u0111o\u00e1n t\u1ea1i th\u00e0nh ph\u1ea7n n\u00f3ng nh\u1ea5t. so s\u00e1nh hi\u1ec7n t\u1ea1i, th\u1eddi l\u01b0\u1ee3ng, \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac, c\u0103n ch\u1ec9nh ng\u0103n k\u00e9o, t\u1ea3i ph\u1ea7n, v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c.<\/p>\n\n\n\n

N\u1ebfu m\u1ed9t ng\u0103n k\u00e9o ho\u1eb7c \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng c\u1ea7n thay th\u1ebf ho\u1eb7c thi\u1ebft k\u1ebf l\u1ea1i, li\u00ean h\u1ec7 Lanshan Electric<\/a> v\u1edbi l\u1ecbch tr\u00ecnh trung chuy\u1ec3n c\u1ee7a b\u1ea1n, th\u00f4ng tin l\u1eafp r\u00e1p v\u00e0 h\u1ed3 s\u01a1 nhi\u1ec7t. sau \u0111\u00f3, m\u1ed9t \u0111\u00e1nh gi\u00e1 c\u1ea5u h\u00ecnh c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o nhi\u1ec7m v\u1ee5 th\u1ef1c t\u1ebf v\u00e0 c\u00e1c giao di\u1ec7n ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u0111\u1ecdc nhi\u1ec7t \u0111\u1ed9 b\u1ecb c\u00f4 l\u1eadp.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

T\u1ea1i sao ng\u0103n k\u00e9o thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS b\u1ecb n\u00f3ng?<\/h3>\n\n\n\n

Nh\u1eefng ng\u01b0\u1eddi \u0111\u00f3ng g\u00f3p c\u00f3 th\u1ec3 bao g\u1ed3m t\u1ea3i tr\u1ecdng b\u1ec1n v\u1eefng, t\u0103ng s\u1ee9c \u0111\u1ec1 kh\u00e1ng ti\u1ebfp x\u00fac, sai l\u1ec7ch c\u01a1 h\u1ecdc, t\u1ed5n th\u1ea5t thi\u1ebft b\u1ecb kh\u1edfi \u0111\u1ed9ng, l\u00e0m m\u00e1t k\u00e9m v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng pha. s\u1eed d\u1ee5ng b\u1eb1ng ch\u1ee9ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u0103n ch\u1ec9nh theo th\u1eddi gian \u0111\u1ec3 ph\u00e2n bi\u1ec7t ch\u00fang tr\u01b0\u1edbc khi k\u1ebft lu\u1eadn r\u1eb1ng m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u00e3 th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n

C\u00f3 th\u1ec3 r\u00fat ng\u0103n k\u00e9o thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft MNS khi \u0111ang c\u1ea5p \u0111i\u1ec7n kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u1eebng gi\u1ea3 \u0111\u1ecbnh nh\u01b0 v\u1eady. x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 r\u00fat kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 cho ph\u00e9p chung cho d\u1ecbch v\u1ee5 tr\u00e0n \u0111\u1ea7y n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c trao \u0111\u1ed5i n\u00f3ng. l\u00e0m theo h\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, c\u00e1c v\u1ecb tr\u00ed thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 c\u00e1c quy tr\u00ecnh an to\u00e0n \u0111i\u1ec7n \u00e1p d\u1ee5ng.<\/p>\n\n\n\n

Giai \u0111o\u1ea1n n\u00f3ng h\u01a1n c\u00f3 lu\u00f4n c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t li\u00ean h\u1ec7 x\u1ea5u?<\/h3>\n\n\n\n

Kh\u00f4ng. cao h\u01a1n hi\u1ec7n t\u1ea1i tr\u00ean m\u1ed9t giai \u0111o\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ed5n th\u1ea5t b\u00ecnh th\u01b0\u1eddng cao h\u01a1n. so s\u00e1nh d\u00f2ng pha, \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t, v\u00e0 c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i t\u01b0\u01a1ng t\u1ef1. m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng c\u00e2n x\u1ee9ng t\u1ea1i hi\u1ec7n t\u1ea1i t\u01b0\u01a1ng t\u1ef1 l\u00e0 b\u1eb1ng ch\u1ee9ng m\u1ea1nh m\u1ebd h\u01a1n c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u1ee5c b.<\/p>\n\n\n\n

H\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn nguy\u00ean nh\u00e2n ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft qu\u00e1 n\u00f3ng kh\u00f4ng?<\/h3>\n\n\n\n

Nhi\u1ec7t k\u1ebf c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 c\u00e1c m\u1eabu nhi\u1ec7t \u0111\u1ed9, nh\u01b0ng n\u00f3 kh\u00f4ng t\u1ef1 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5. t\u1ea3i, ph\u00e1t x\u1ea1, ph\u1ea3n x\u1ea1, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c gi\u1ea3i th\u00edch. s\u1eed d\u1ee5ng n\u00f3 nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

T\u00f4i n\u00ean g\u1eedi g\u00ec khi y\u00eau c\u1ea7u thay th\u1ebf ng\u0103n k\u00e9o MNS?<\/h3>\n\n\n\n

G\u1eedi nh\u1eadn d\u1ea1ng l\u1eafp r\u00e1p, ch\u1ec9 \u0111\u1ecbnh ng\u0103n k\u00e9o, nhi\u1ec7m v\u1ee5 m\u1ea1ch, d\u00f2ng \u0111i\u1ec7n pha, thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, b\u1ea3n v\u1ebd, h\u1ed3 s\u01a1 nhi\u1ec7t v\u00e0 b\u1ea5t k\u1ef3 l\u1ecbch s\u1eed b\u1ea3o tr\u00ec ho\u1eb7c m\u1edf r\u1ed9ng n\u00e0o. y\u00eau c\u1ea7u nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u01a1 v\u00e0 \u0111i\u1ec7n thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o k\u00edch th\u01b0\u1edbc ng\u0103n k\u00e9o.<\/p>","protected":false},"excerpt":{"rendered":"

A hot drawer in MNS switchgear is not a diagnosis. The temperature rise may come from sustained current, additional resistance at a plug-in contact, mechanical misalignment, restricted cooling, or simply a measurement taken under different conditions from the comparison circuit. The useful question is where the heat is being generated and why. This guide gives […]<\/p>\n","protected":false},"author":1,"featured_media":803,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[96,98,50,79,97,52],"class_list":["post-1447","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-drawer-contact-heating","tag-electrical-maintenance","tag-iec-61439","tag-low-voltage-switchgear","tag-mns-switchgear","tag-withdrawable-switchgear"],"_links":{"self":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts\/1447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/comments?post=1447"}],"version-history":[{"count":2,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts\/1447\/revisions"}],"predecessor-version":[{"id":1449,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/posts\/1447\/revisions\/1449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/media\/803"}],"wp:attachment":[{"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/media?parent=1447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/categories?post=1447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lanshanelectric.com\/vi\/wp-json\/wp\/v2\/tags?post=1447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}