{"id":1712,"date":"2026-09-04T09:37:58","date_gmt":"2026-09-04T09:37:58","guid":{"rendered":"https:\/\/benlongkj.com\/?p=1712"},"modified":"2026-09-04T09:38:02","modified_gmt":"2026-09-04T09:38:02","slug":"electric-meter-test","status":"publish","type":"post","link":"https:\/\/benlongkj.com\/vi\/news\/electric-meter-test\/","title":{"rendered":"Thi\u1ebft B\u1ecb Ki\u1ec3m Tra \u0110\u1ed3ng H\u1ed3 \u0110i\u1ec7n: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n v\u1ec1 B\u00e0n Hi\u1ec7u Chu\u1ea9n v\u00e0 X\u00e1c Minh \u0110\u1ed9 Ch\u00ednh X\u00e1c"},"content":{"rendered":"

Th\u1eddi gian ph\u00e1t h\u00e0nh: 2026-09-04<\/p>\n

\u0110o l\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng thanh to\u00e1n \u0111i\u1ec7n, v\u1eadn h\u00e0nh l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00fang. D\u00f9 l\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m ti\u1ec7n \u00edch, nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111\u1ed3ng h\u1ed3 \u0111o hay d\u1ecbch v\u1ee5 hi\u1ec7u chu\u1ea9n \u0111\u1ed9c l\u1eadp, c\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ph\u00e9p \u0111o d\u00f2ng \u0111i\u1ec7n \u0111\u1ec1u s\u1ebd \u0111\u00e1ng tin c\u1eady v\u00e0 ch\u00ednh x\u00e1c mi\u1ec5n l\u00e0 c\u00e1c quy tr\u00ecnh ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7. Vi\u1ec7c thu \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ea5t doanh thu, ki\u1ec7n t\u1ee5ng t\u1eeb kh\u00e1ch h\u00e0ng ho\u1eb7c vi ph\u1ea1m c\u00e1c y\u00eau c\u1ea7u do ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf IEC 62053 \u0111\u1eb7t ra. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p th\u00f4ng tin to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc, ti\u00eau chu\u1ea9n, k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 ch\u1ee9ng minh \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n, bao g\u1ed3m c\u1ea3 b\u00e0n hi\u1ec7u chu\u1ea9n th\u1ee7 c\u00f4ng \u0111\u1ed9 ch\u00ednh x\u00e1c cao cho \u0111\u1ed3ng h\u1ed3 m\u1ed9t pha v\u00e0 ba pha.<\/p>\n

Hi\u1ec7n \u0111\u1ea1i quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> bao g\u1ed3m kh\u00f4ng ch\u1ec9 ki\u1ec3m tra c\u01a1 b\u1ea3n m\u00e0 c\u00f2n ki\u1ec3m tra h\u00e0i v\u00e0 ki\u1ec3m tra tr\u00f4i, \u0111\u1ed3ng th\u1eddi s\u1eed d\u1ee5ng chu\u1ed7i ph\u1ea7n m\u1ec1m t\u1ef1 \u0111\u1ed9ng, ti\u00eau chu\u1ea9n tham chi\u1ebfu (\u0111\u1ed9 ch\u00ednh x\u00e1c 0.05%) v\u00e0 ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh. Ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y cho ph\u00e9p c\u00e1c c\u00f4ng ty l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t cho ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n ho\u1eb7c m\u1ee5c \u0111\u00edch ki\u1ec3m tra.<\/p>\n

\"\"<\/p>\n

Ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h2>\n

Ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t quy tr\u00ecnh x\u00e1c minh c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111\u1ed9 ch\u00ednh x\u00e1c, ch\u1ee9c n\u0103ng v\u00e0 t\u00ednh \u0111\u00fang \u0111\u1eafn c\u1ee7a c\u00e1c tham s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh, n\u00f3i c\u00e1ch kh\u00e1c, \u0111\u1ec3 ki\u1ec3m tra r\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n cung c\u1ea5p c\u00e1c k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c v\u1ec1 n\u0103ng l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u1ea3n kh\u00e1ng trong gi\u1edbi h\u1ea1n sai s\u1ed1 cho ph\u00e9p c\u1ee7a l\u1edbp ch\u00ednh x\u00e1c t\u01b0\u01a1ng \u1ee9ng (0.2, 0.5, 1 ho\u1eb7c 2) theo ti\u00eau chu\u1ea9n qu\u1ed1c gia t\u01b0\u01a1ng \u0111\u01b0\u01a1ng IEC 62053-11\/22\/23.<\/p>\n

Trong c\u00e1c quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t:<\/p>\n

\u2013 Ki\u1ec3m tra sai s\u1ed1 c\u01a1 b\u1ea3n c\u00f3 ngh\u0129a l\u00e0 ki\u1ec3m tra t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m sai s\u1ed1 c\u1ee7a c\u00e1c k\u1ebft qu\u1ea3 \u0111o n\u0103ng l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u1ea3n kh\u00e1ng;
\n\u2013 Ki\u1ec3m tra kh\u1edfi \u0111\u1ed9ng l\u00e0 x\u00e1c \u0111\u1ecbnh d\u00f2ng \u0111i\u1ec7n t\u1ed1i thi\u1ec3u sau \u0111\u00f3 \u0111\u1ed3ng h\u1ed3 b\u1eaft \u0111\u1ea7u cung c\u1ea5p c\u00e1c k\u1ebft qu\u1ea3 \u0111o;
\n\u2013 Ki\u1ec3m tra tr\u00f4i l\u00e0 ki\u1ec3m tra vi\u1ec7c ghi nh\u1eadn c\u00e1c k\u1ebft qu\u1ea3 \u0111o n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n nh\u00e0n r\u1ed7i;
\n\u2013 Ki\u1ec3m tra h\u00e0i l\u00e0 ch\u1ee9ng minh xem \u0111\u1ed3ng h\u1ed3 c\u00f3 cung c\u1ea5p c\u00e1c k\u1ebft qu\u1ea3 \u0111o n\u0103ng l\u01b0\u1ee3ng ch\u00ednh x\u00e1c d\u01b0\u1edbi c\u00e1c d\u1ea1ng s\u00f3ng \u0111i\u1ec7n \u00e1p\/d\u00f2ng \u0111i\u1ec7n kh\u00e1c nhau trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u00e0i \u0111\u1eb7c bi\u1ec7t hay kh\u00f4ng;
\n\u2013 Ki\u1ec3m tra \u1ea3nh h\u01b0\u1edfng c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng c\u00f3 ngh\u0129a l\u00e0 \u0111o t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1, nhi\u1ec7t \u0111\u1ed9, v.v.;.
\n\u2013 Ki\u1ec3m tra t\u1ea3i t\u1ed1i \u0111a v\u00e0 sai s\u1ed1 th\u1eddi gian cho \u0111\u1ed3ng h\u1ed3 n\u0103ng l\u01b0\u1ee3ng th\u00f4ng minh.
\n\u2013 Ki\u1ec3m tra giao th\u1ee9c truy\u1ec1n th\u00f4ng (c\u1ed5ng giao ti\u1ebfp quang h\u1ecdc, RS485, DLMS\/COSEM, Modbus).<\/p>\n

T\u1ea1i sao \u0111\u1ed9 ch\u00ednh x\u00e1c ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n l\u1ea1i quan tr\u1ecdng<\/h2>\n

\u0110\u1ed3ng h\u1ed3 n\u0103ng l\u01b0\u1ee3ng l\u00e0 m\u00e1y t\u00ednh ti\u1ec1n c\u1ee7a ng\u00e0nh \u0111i\u1ec7n. Ngay c\u1ea3 m\u1ed9t sai s\u1ed1 h\u1ec7 th\u1ed1ng nh\u1ecf 0.5% tr\u00ean h\u00e0ng tri\u1ec7u \u0111\u1ed3ng h\u1ed3 c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ch\u00eanh l\u1ec7ch t\u00e0i ch\u00ednh \u0111\u00e1ng k\u1ec3. Do \u0111\u00f3, c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd v\u00e0 \u1ee7y ban ti\u1ec7n \u00edch y\u00eau c\u1ea7u ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> v\u00e0 hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u0169ng ph\u1ea3i th\u1ef1c hi\u1ec7n ki\u1ec3m tra 100% ho\u1eb7c ki\u1ec3m tra l\u1ea5y m\u1eabu th\u1ed1ng k\u00ea tr\u01b0\u1edbc khi giao h\u00e0ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n

C\u00e1c l\u00fd do ch\u00ednh cho c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> ch\u01b0\u01a1ng tr\u00ecnh nghi\u00eam ng\u1eb7t bao g\u1ed3m:<\/p>\n

    \n
  • B\u1ea3o v\u1ec7 doanh thu \u2013 ng\u0103n ng\u1eeba vi\u1ec7c t\u00ednh ph\u00ed thi\u1ebfu ho\u1eb7c th\u1eeba.<\/li>\n
  • Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh \u2013 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111o l\u01b0\u1eddng IEC, ANSI ho\u1eb7c \u0111\u1ecba ph\u01b0\u01a1ng.<\/li>\n
  • Ni\u1ec1m tin c\u1ee7a kh\u00e1ch h\u00e0ng \u2013 gi\u1ea3m khi\u1ebfu n\u1ea1i v\u1ec1 h\u00f3a \u0111\u01a1n v\u00e0 tranh ch\u1ea5p ph\u00e1p l\u00fd.<\/li>\n
  • Ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u01b0\u1edbi \u0111i\u1ec7n \u2013 \u0111\u1ed3ng h\u1ed3 \u0111o ch\u00ednh x\u00e1c h\u1ed7 tr\u1ee3 d\u1ef1 b\u00e1o t\u1ea3i, ph\u1ea3n \u1ee9ng nhu c\u1ea7u v\u00e0 ph\u00e2n t\u00edch l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh.<\/li>\n
  • \u0110\u1ed9 tin c\u1eady l\u00e2u d\u00e0i \u2013 ph\u00e1t hi\u1ec7n s\u1edbm s\u1ef1 sai l\u1ec7ch c\u1ee7a linh ki\u1ec7n ho\u1eb7c \u0111i\u1ec3m y\u1ebfu trong thi\u1ebft k\u1ebf.<\/li>\n<\/ul>\n

    Thi\u1ebft b\u1ecb ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n tham chi\u1ebfu c\u00f3 th\u1ec3 truy xu\u1ea5t (L\u1edbp 0.05%) cung c\u1ea5p \u0111\u1ed9 ch\u1eafc ch\u1eafn \u0111o l\u01b0\u1eddng c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ee9ng nh\u1eadn \u0111\u1ed3ng h\u1ed3 \u0111o L\u1edbp 0.2 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p h\u01a1n.<\/p>\n

    C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/h2>\n

    Nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> c\u00e1c ho\u1ea1t \u0111\u1ed9ng, t\u1eeb thi\u1ebft b\u1ecb ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng di \u0111\u1ed9ng \u0111\u1ebfn d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n. Gi\u1ea3i ph\u00e1p \u0111a n\u0103ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 s\u1ea3n xu\u1ea5t quy m\u00f4 trung b\u00ecnh l\u00e0 b\u00e0n hi\u1ec7u chu\u1ea9n th\u1ee7 c\u00f4ng (ho\u1eb7c b\u00e1n t\u1ef1 \u0111\u1ed9ng).<\/p>\n

    Thi\u1ebft b\u1ecb ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng di \u0111\u1ed9ng<\/h3>\n

    C\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn m\u1ed9t pha ho\u1eb7c ba pha \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt vi\u00ean ti\u1ec7n \u00edch s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra t\u1ea1i ch\u1ed7. Ch\u00fang th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p h\u01a1n (0.1%\u20130.5%) v\u00e0 ph\u1ea1m vi t\u1ea3i gi\u1edbi h\u1ea1n so v\u1edbi b\u00e0n hi\u1ec7u chu\u1ea9n ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n

    B\u00e0n hi\u1ec7u chu\u1ea9n th\u1ee7 c\u00f4ng<\/h3>\n

    C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u1ea3i v\u00e0 th\u00e1o \u0111\u1ed3ng h\u1ed3 b\u1eb1ng tay trong khi c\u00e1c chu\u1ed7i ki\u1ec3m tra \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n. Ch\u00fang l\u00fd t\u01b0\u1edfng cho s\u1ea3n xu\u1ea5t \u0111a m\u1eabu, th\u1eed nghi\u1ec7m lo\u1ea1i v\u00e0 ph\u00f2ng hi\u1ec7u chu\u1ea9n n\u01a1i t\u00ednh linh ho\u1ea1t quan tr\u1ecdng h\u01a1n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a. M\u1ed9t b\u00e0n hi\u1ec7u chu\u1ea9n th\u1ee7 c\u00f4ng ba pha \u0111i\u1ec3n h\u00ecnh h\u1ed7 tr\u1ee3 t\u1eeb 4 \u0111\u1ebfn 16 v\u1ecb tr\u00ed, \u0111i\u1ec7n \u00e1p l\u00ean \u0111\u1ebfn 480 V, d\u00f2ng \u0111i\u1ec7n l\u00ean \u0111\u1ebfn 120 A, v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c tham chi\u1ebfu 0.05%.<\/p>\n

    D\u00e2y chuy\u1ec1n ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n<\/h3>\n

    H\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t t\u00edch h\u1ee3p k\u1ebft h\u1ee3p v\u1eadn chuy\u1ec3n b\u0103ng t\u1ea3i, x\u1eed l\u00fd robot, hi\u1ec7u chu\u1ea9n, l\u00e3o h\u00f3a v\u00e0 ki\u1ec3m tra truy\u1ec1n th\u00f4ng. Ph\u00f9 h\u1ee3p cho c\u00e1c nh\u00e0 m\u00e1y \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh s\u1ea3n xu\u1ea5t h\u00e0ng ch\u1ee5c ngh\u00ecn \u0111\u01a1n v\u1ecb m\u1ed7i ng\u00e0y.<\/p>\n

    B\u00e0n l\u00e3o h\u00f3a v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i<\/h3>\n

    \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i (t\u1eeb v\u00e0i gi\u1edd \u0111\u1ebfn v\u00e0i ng\u00e0y) \u0111\u1ed3ng th\u1eddi gi\u00e1m s\u00e1t t\u00edch l\u0169y b\u1ed9 \u0111\u1ebfm, \u1ed5n \u0111\u1ecbnh truy\u1ec1n th\u00f4ng v\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t.<\/p>\n

    \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ti\u1ec7n \u00edch v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t chuy\u00ean bi\u1ec7t, m\u1ed9t b\u00e0n th\u1ee7 c\u00f4ng \u0111a v\u1ecb tr\u00ed t\u00f9y ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t nh\u1ea5t gi\u1eefa \u0111\u1ed9 ch\u00ednh x\u00e1c, t\u00ednh linh ho\u1ea1t v\u00e0 chi ph\u00ed.<\/p>\n

    \"\"<\/p>\n

     <\/p>\n

    C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a b\u00e0n hi\u1ec7u chu\u1ea9n \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i<\/h2>\n

    M\u1ed9t h\u1ec7 th\u1ed1ng chuy\u00ean nghi\u1ec7p \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> bao g\u1ed3m nhi\u1ec1u h\u1ec7 th\u1ed1ng con t\u00edch h\u1ee3p:<\/p>\n

      \n
    • Ngu\u1ed3n \u0111i\u1ec7n l\u1eadp tr\u00ecnh t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p ba pha \u1ed5n \u0111\u1ecbnh trong ph\u1ea1m vi t\u1eeb 0 \u0111\u1ebfn 480 volt v\u00e0 0 \u0111\u1ebfn 120 A, v\u1edbi t\u1ed5ng m\u00e9o h\u00e0i (THD) d\u01b0\u1edbi 0.5%. T\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb 45 Hz \u0111\u1ebfn 65 Hz.\n

      Ti\u00eau chu\u1ea9n tham chi\u1ebfu bao g\u1ed3m m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n ch\u00ednh x\u00e1c L\u1edbp 0.05% th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o \u0111\u00e3 bi\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c \u0111o l\u01b0\u1eddng qu\u1ed1c gia.<\/p>\n

      Gi\u00e1 \u0111\u1ee1 ki\u1ec3m tra \u0111a v\u1ecb tr\u00ed cho ph\u00e9p l\u00e0m vi\u1ec7c \u0111\u1ed3ng th\u1eddi v\u1edbi 4 \u0111\u1ebfn 16 thi\u1ebft b\u1ecb \u0111o. C\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn c\u00e1c lo\u1ea1i k\u1ebft n\u1ed1i kh\u00e1c nhau nh\u01b0 \u1ed5 c\u1eafm, \u0111\u1ea7u n\u1ed1i ho\u1eb7c thanh ray.<\/p>\n

      B\u1ed9 t\u1ea1o h\u00e0i c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u1ebfn h\u00e0i th\u1ee9 21 c\u1ee7a c\u1ea3 \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n v\u1edbi bi\u00ean \u0111\u1ed9 v\u00e0 pha bi\u1ebfn \u0111\u1ed5i.<\/p>\n

      C\u00e1c c\u1ed5ng giao ti\u1ebfp c\u1ee7a h\u1ec7 th\u1ed1ng bao g\u1ed3m \u0111\u1ea7u quang h\u1ecdc, c\u1ed5ng giao ti\u1ebfp RS485, c\u0169ng nh\u01b0 modem kh\u00f4ng d\u00e2y cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c giao ti\u1ebfp kh\u00e1c nhau.<\/p>\n

      Ph\u1ea7n m\u1ec1m c\u1ee7a h\u1ec7 th\u1ed1ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u1ea1o l\u1ec7nh ki\u1ec3m tra, so s\u00e1nh v\u1edbi gi\u00e1 tr\u1ecb tham chi\u1ebfu, \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng, ghi d\u1eef li\u1ec7u v\u00e0 t\u1ea1o ch\u1ee9ng ch\u1ec9 hi\u1ec7u chu\u1ea9n.<\/p>\n

      H\u1ec7 th\u1ed1ng an to\u00e0n v\u00e0 d\u1eebng kh\u1ea9n c\u1ea5p s\u1ebd \u0111\u1ea3m b\u1ea3o an to\u00e0n cho nh\u00e2n s\u1ef1 v\u00e0 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb \u0111\u00fang c\u00e1ch.<\/p>\n

      S\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a t\u1eebng h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u1ebfn t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh \u0111o l\u01b0\u1eddng v\u00e0 ho\u00e0n th\u00e0nh to\u00e0n b\u1ed9 chu tr\u00ecnh \u0111o v\u1edbi s\u1ef1 tham gia t\u1ed1i thi\u1ec3u c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh sau giai \u0111o\u1ea1n t\u1ea3i.<\/li>\n<\/ul>\n

      Chu\u1ed7i Ki\u1ec3m Tra Ti\u00eau Chu\u1ea9n trong Hi\u1ec7u Chu\u1ea9n \u0110\u1ed3ng H\u1ed3 \u0110i\u1ec7n<\/h2>\n

      Trong quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u00ean b\u0103ng hi\u1ec7u chu\u1ea9n th\u1ee7 c\u00f4ng, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c b\u01b0\u1edbc sau theo ti\u00eau chu\u1ea9n th\u1ebf gi\u1edbi:<\/p>\n

      Ki\u1ec3m tra tr\u1ef1c quan v\u00e0 k\u1ebft n\u1ed1i \u2013 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng.<\/p>\n

      Ki\u1ec3m tra d\u00f2ng kh\u1edfi \u0111\u1ed9ng \u2013 \u0111\u1ec3 \u00e1p d\u1ee5ng d\u00f2ng \u0111i\u1ec7n th\u1ea5p nh\u1ea5t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho l\u1edbp \u0111\u1ed3ng h\u1ed3 nh\u1eb1m xu\u1ea5t hi\u1ec7n ph\u00e9p \u0111o.
      \nKi\u1ec3m tra sai s\u1ed1 c\u01a1 b\u1ea3n \u2013 \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ph\u1ea7n tr\u0103m sai s\u1ed1 cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea3i kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng (\u1edf 5, 10, 20, 50, 100 v\u00e0 120% d\u00f2ng \u0111\u1ecbnh m\u1ee9c) v\u00e0 v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t kh\u00e1c nhau (1, 0.5 c\u1ea3m kh\u00e1ng, 0.8 dung kh\u00e1ng).<\/p>\n

      Ki\u1ec3m tra tr\u00f4i \u2013 \u0111\u1ec3 \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c v\u1edbi d\u00f2ng \u0111i\u1ec7n ho\u00e0n to\u00e0n b\u1eb1ng kh\u00f4ng v\u00e0 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 xung \u0111\u1ea7u ra ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng \u0111\u0103ng k\u00fd v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u0111\u00e3 th\u1ecfa thu\u1eadn.<\/p>\n

      Ki\u1ec3m tra \u1ea3nh h\u01b0\u1edfng h\u00e0i \u2013 \u0111\u1ec3 ti\u00eam h\u00e0i v\u00e0 do \u0111\u00f3 \u0111o c\u00e1c sai s\u1ed1 th\u00eam \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n

      Ki\u1ec3m tra c\u00e1c tham s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u2013 \u0111\u1ec3 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1 ho\u1eb7c nhi\u1ec7t \u0111\u1ed9.<\/p>\n

      X\u00e1c nh\u1eadn giao ti\u1ebfp v\u00e0 \u0111\u0103ng k\u00fd \u2013 \u0111\u1ec3 \u0111\u1ecdc c\u00e1c \u0111\u0103ng k\u00fd n\u0103ng l\u01b0\u1ee3ng v\u00e0 nhu c\u1ea7u t\u1ed1i \u0111a qua k\u1ebft n\u1ed1i quang h\u1ecdc ho\u1eb7c RS485 v\u00e0 so s\u00e1nh v\u1edbi ch\u1ec9 s\u1ed1 tham chi\u1ebfu.<\/p>\n

      Ghi d\u1eef li\u1ec7u v\u00e0 t\u1ea1o ch\u1ee9ng ch\u1ec9 \u2013 \u0111\u1ec3 l\u01b0u gi\u1eef t\u1ea5t c\u1ea3 k\u1ebft qu\u1ea3 \u0111o v\u00e0 d\u1eef li\u1ec7u v\u1edbi ID, ng\u00e0y th\u00e1ng v\u00e0 t\u00ean ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n quy tr\u00ecnh.<\/p>\n

      Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u0103ng hi\u1ec7u chu\u1ea9n \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/h2>\n

      Khi l\u1ef1a ch\u1ecdn \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> Thi\u1ebft b\u1ecb, c\u00e1c th\u00f4ng s\u1ed1 sau \u0111\u00e2y l\u00e0 quan tr\u1ecdng:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
      Tham s\u1ed1<\/th>\nTh\u00f4ng s\u1ed1 \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n
      T\u01b0\u01a1ng th\u00edch \u0111\u1ed3ng h\u1ed3<\/td>\n\u0110\u01a1n pha ho\u1eb7c ba pha, ho\u1ea1t \u0111\u1ed9ng\/t\u01b0\u01a1ng t\u00e1c, L\u1edbp 0.2\/0.5\/1\/2, k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp ho\u1eb7c qua bi\u1ebfn d\u00f2ng CT<\/td>\n<\/tr>\n
      S\u1ed1 v\u1ecb tr\u00ed ki\u1ec3m tra<\/td>\n4 \/ 8 \/ 12 \/ 16 (c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh v\u00e0 m\u1edf r\u1ed9ng)<\/td>\n<\/tr>\n
      D\u1ea3i \u0111i\u1ec7n \u00e1p<\/td>\n0 \u2013 480 V (ba pha), \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b10.05<\/td>\n<\/tr>\n
      Ph\u1ea1m vi hi\u1ec7n t\u1ea1i<\/td>\n0 \u2013 120 A m\u1ed7i pha, \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b10.05, THD < 0.5<\/td>\n<\/tr>\n
      D\u1ea3i t\u1ea7n s\u1ed1<\/td>\n45 \u2013 65 Hz, \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b10.01 Hz<\/td>\n<\/tr>\n
      \u0110\u1ed9 ch\u00ednh x\u00e1c tham chi\u1ebfu<\/td>\n05 (L\u1edbp 0.05S)<\/td>\n<\/tr>\n
      M\u00f4 ph\u1ecfng h\u00e0i h\u00f2a<\/td>\nB\u1eadc 2 \u0111\u1ebfn 21, bi\u00ean \u0111\u1ed9 v\u00e0 pha l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c<\/td>\n<\/tr>\n
      Giao ti\u1ebfp<\/td>\nC\u1ed5ng quang h\u1ecdc, RS485 (Modbus, DLMS\/COSEM), \u0111\u1ea7u ra xung<\/td>\n<\/tr>\n
      Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n380 V \u00b110%, 50 Hz, ba pha b\u1ed1n d\u00e2y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi \u0111i\u1ec7n \u00e1p ho\u1eb7c d\u00f2ng \u0111i\u1ec7n, th\u00eam bu\u1ed3ng nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c b\u1ed5 sung theo y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n

      \u1ee8ng d\u1ee5ng c\u1ee7a h\u1ec7 th\u1ed1ng ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/h2>\n

      Thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> ph\u1ee5c v\u1ee5 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n

      Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t \u0111\u1ed3ng h\u1ed3: ki\u1ec3m tra 100% \u0111\u1ed3ng h\u1ed3 tr\u01b0\u1edbc khi giao h\u00e0ng v\u00e0 \u0111\u00f3ng g\u00f3i, ho\u1eb7c l\u1ea5y m\u1eabu th\u1ed1ng k\u00ea \u0111\u1ec3 x\u00e1c nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng t\u1eebng l\u00f4 h\u00e0ng.<\/p>\n

      Ph\u00f2ng th\u00ed nghi\u1ec7m \u0111o l\u01b0\u1eddng: ki\u1ec3m tra c\u00e1c \u0111\u1ed3ng h\u1ed3 m\u1edbi v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e2n trang l\u1ea1i v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c b\u00e0i ki\u1ec3m tra \u0111o l\u01b0\u1eddng ph\u00ea duy\u1ec7t.<\/p>\n

      Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 hi\u1ec7u chu\u1ea9n \u0111\u1ed9c l\u1eadp: c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m chuy\u00ean bi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi s\u1ef1 c\u00f4ng nh\u1eadn v\u00e0 c\u1ea5p ch\u1ee9ng ch\u1ec9 hi\u1ec7u chu\u1ea9n c\u00f3 th\u1ec3 truy nguy\u00ean.<\/p>\n

      Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n: \u0111o hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c nguy\u00ean m\u1eabu \u0111\u1ed3ng h\u1ed3 m\u1edbi d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau v\u1ec1 m\u00e9o h\u00e0i, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u1ea3nh h\u01b0\u1edfng m\u00f4i tr\u01b0\u1eddng.<\/p>\n

      Ki\u1ec3m tra \u0111\u1ea7u v\u00e0o: c\u00e1c ti\u1ec7n \u00edch th\u1ef1c hi\u1ec7n ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 khi nh\u1eadn t\u1eeb nh\u00e0 cung c\u1ea5p.<\/p>\n

      Trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p tr\u00ean, n\u0103ng su\u1ea5t ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf \u0111\u01b0\u1ee3c t\u0103ng \u0111\u00e1ng k\u1ec3 b\u1eb1ng c\u00e1ch ki\u1ec3m tra nhi\u1ec1u \u0111\u1ed3ng h\u1ed3 c\u00f9ng l\u00fac v\u00e0 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n

      Ti\u00eau chu\u1ea9n v\u00e0 Y\u00eau c\u1ea7u Quy \u0111\u1ecbnh<\/h2>\n

      C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf ch\u00ednh \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> c\u00e1c quy tr\u00ecnh l\u00e0:<\/p>\n

        \n
      • IEC 62053-11 \u2013 Y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t cho \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n c\u01a1.<\/li>\n
      • IEC 62053-22 \u2013 Y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t cho \u0111\u1ed3ng h\u1ed3 t\u0129nh \u0111o n\u0103ng l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng (L\u1edbp 0.2S v\u00e0 0.5S).<\/li>\n
      • IEC 62053-23 \u2013 Y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t cho \u0111\u1ed3ng h\u1ed3 t\u0129nh \u0111o n\u0103ng l\u01b0\u1ee3ng ph\u1ea3n kh\u00e1ng.<\/li>\n
      • IEC 62052-11 \u2013 Y\u00eau c\u1ea7u chung, c\u00e1c b\u00e0i ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m tra.<\/li>\n
      • Ti\u00eau chu\u1ea9n qu\u1ed1c gia \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb lo\u1ea1t IEC ho\u1eb7c ANSI C12 \u1edf B\u1eafc M\u1ef9.<\/li>\n<\/ul>\n

        C\u00e1c b\u1ec7 hi\u1ec7u chu\u1ea9n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng truy nguy\u00ean v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n c\u1ea5p cao h\u01a1n \u0111\u1ec3 duy tr\u00ec t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a ph\u00e9p \u0111o.<\/p>\n

        \"\"<\/p>\n

        C\u00e1ch Ch\u1ecdn B\u1ec7 Ki\u1ec3m Tra \u0110\u1ed3ng H\u1ed3 \u0110i\u1ec7n Ph\u00f9 H\u1ee3p<\/h2>\n

        \u0110\u1ec3 ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> c\u1ea7n xem x\u00e9t m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1:<\/p>\n

        \u2460. L\u1edbp ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ed3ng h\u1ed3 c\u1ea7n ki\u1ec3m tra \u2013 n\u00ean ch\u1ecdn ti\u00eau chu\u1ea9n tham chi\u1ebfu c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c \u00edt nh\u1ea5t g\u1ea5p n\u0103m l\u1ea7n thi\u1ebft b\u1ecb \u0111ang ki\u1ec3m tra (th\u01b0\u1eddng l\u00e0 0.05% cho \u0111\u1ed3ng h\u1ed3 L\u1edbp 0.2).<\/p>\n

        \u2461. S\u1ed1 v\u1ecb tr\u00ed v\u00e0 y\u00eau c\u1ea7u n\u0103ng su\u1ea5t \u2013 4 \u0111\u1ebfn 8 v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p cho ph\u00f2ng th\u00ed nghi\u1ec7m trong khi s\u1eed d\u1ee5ng s\u1ea3n xu\u1ea5t c\u1ea7n \u00edt nh\u1ea5t 12 \u0111\u1ebfn 16 v\u1ecb tr\u00ed.<\/p>\n

        \u2462. H\u00ecnh d\u1ea1ng \u0111\u1ed3ng h\u1ed3 \u2013 \u0111\u1ea3m b\u1ea3o nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00f9y ch\u1ec9nh cho c\u00e1c lo\u1ea1i \u0111\u1ed3ng h\u1ed3 (nh\u01b0 \u0111\u1ed3ng h\u1ed3 \u1ed5 c\u1eafm, kh\u1ed1i \u0111\u1ea7u cu\u1ed1i ho\u1eb7c \u0111\u1ed3ng h\u1ed3 ray DIN).<\/p>\n

        \u2463. Nhu c\u1ea7u giao ti\u1ebfp \u2013 x\u00e1c nh\u1eadn thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c giao ti\u1ebfp t\u01b0\u01a1ng th\u00edch v\u1edbi \u0111\u1ed3ng h\u1ed3 s\u1eed d\u1ee5ng.
        \nKh\u1ea3 n\u0103ng ki\u1ec3m tra h\u00e0i v\u00e0 \u1ea3nh h\u01b0\u1edfng \u2013 c\u1ea7n thi\u1ebft cho ch\u1ee9ng nh\u1eadn \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh.<\/p>\n

        \u2464. Ph\u1ea7n m\u1ec1m v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u2013 thi\u1ebft b\u1ecb n\u00ean cung c\u1ea5p tr\u00ecnh ch\u1ec9nh s\u1eeda chu\u1ed7i, t\u1ea1o b\u00e1o c\u00e1o t\u1ef1 \u0111\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp MES\/ERP.<\/p>\n

        \u2465. Kinh nghi\u1ec7m v\u00e0 h\u1ed7 tr\u1ee3 c\u1ee7a nh\u00e0 cung c\u1ea5p \u2013 ch\u1ecdn nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 uy t\u00edn, c\u00f3 ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 h\u1eadu m\u00e3i ti\u00eau chu\u1ea9n cao.<\/p>\n

        L\u1ef1a ch\u1ecdn b\u1ec7 ki\u1ec3m tra t\u1ed1t cho ph\u00e9p s\u1eed d\u1ee5ng tr\u00ean 10 n\u0103m.<\/p>\n

        \u01afu \u0111i\u1ec3m c\u1ee7a B\u1ec7 Hi\u1ec7u Chu\u1ea9n Th\u1ee7 C\u00f4ng T\u00f9y Ch\u1ec9nh<\/h2>\n

        So v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 s\u1eb5n, \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> b\u1ec7 thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u00e0ng:<\/p>\n

          \n
        • Ph\u00f9 h\u1ee3p c\u01a1 kh\u00ed v\u00e0 \u0111i\u1ec7n ho\u00e0n h\u1ea3o v\u1edbi c\u00e1c m\u1eabu \u0111\u1ed3ng h\u1ed3 c\u1ee5 th\u1ec3 c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n
        • Kh\u1ea3 n\u0103ng k\u1ebft h\u1ee3p v\u1ecb tr\u00ed m\u1ed9t pha v\u00e0 ba pha tr\u00ean c\u00f9ng m\u1ed9t gi\u00e1 \u0111\u1ee1.<\/li>\n
        • M\u1edf r\u1ed9ng m\u00f4-\u0111un \u2013 b\u1eaft \u0111\u1ea7u v\u1edbi \u00edt v\u1ecb tr\u00ed h\u01a1n v\u00e0 th\u00eam nhi\u1ec1u h\u01a1n sau n\u00e0y.<\/li>\n
        • Chu\u1ed7i ki\u1ec3m tra t\u1ed1i \u01b0u h\u00f3a gi\u00fap gi\u1ea3m thi\u1ec3u t\u1ed5ng th\u1eddi gian chu tr\u00ecnh.<\/li>\n
        • T\u00e0i li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u00e0o t\u1ea1o ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh v\u1eadn h\u00e0nh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n

          Nh\u1eefng l\u1ee3i th\u1ebf n\u00e0y chuy\u1ec3n th\u00e0nh hi\u1ec7u qu\u1ea3 ki\u1ec3m tra cao h\u01a1n, t\u1ef7 l\u1ec7 l\u1ed7i th\u1ea5p h\u01a1n v\u00e0 th\u1eddi gian ho\u00e0n v\u1ed1n nhanh h\u01a1n.<\/p>\n

          L\u1eafp \u0111\u1eb7t, V\u1eadn h\u00e0nh v\u00e0 \u0110\u00e0o t\u1ea1o<\/h2>\n

          M\u1ed9t d\u00f2ng th\u1eddi gian d\u1ef1 \u00e1n \u0111i\u1ec3n h\u00ecnh cho m\u1ed9t b\u00e0n th\u1eed t\u00f9y ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> bao g\u1ed3m:<\/p>\n

            \n
          1. Ph\u00e2n t\u00edch y\u00eau c\u1ea7u v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1eabu (10\u201315 ng\u00e0y).<\/li>\n
          2. Thi\u1ebft k\u1ebf c\u01a1 kh\u00ed v\u00e0 \u0111i\u1ec7n c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 d\u00e2y n\u1ed1i (30\u201345 ng\u00e0y).<\/li>\n
          3. S\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra n\u1ed9i b\u1ed9 (45\u201360 ng\u00e0y).<\/li>\n
          4. Ki\u1ec3m tra nghi\u1ec7m thu t\u1ea1i nh\u00e0 m\u00e1y (FAT) v\u1edbi \u0111\u1ed3ng h\u1ed3 \u0111o c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n
          5. L\u1eafp \u0111\u1eb7t t\u1ea1i ch\u1ed7, v\u1eadn h\u00e0nh v\u00e0 \u0111\u00e0o t\u1ea1o ng\u01b0\u1eddi v\u1eadn h\u00e0nh (5\u20137 ng\u00e0y).<\/li>\n
          6. Ki\u1ec3m tra nghi\u1ec7m thu t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng (SAT) v\u00e0 t\u00e0i li\u1ec7u cu\u1ed1i c\u00f9ng.<\/li>\n<\/ol>\n

            Nh\u00e0 cung c\u1ea5p chuy\u00ean nghi\u1ec7p cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n, gi\u1ea5y ph\u00e9p ph\u1ea7n m\u1ec1m, ch\u1ee9ng ch\u1ec9 hi\u1ec7u chu\u1ea9n v\u00e0 h\u1ed7 tr\u1ee3 t\u1eeb xa sau khi b\u00e0n giao.<\/p>\n

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

            C\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c n\u00e0o \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho ti\u00eau chu\u1ea9n tham chi\u1ebfu?<\/h3>\n

            \u0110\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111o l\u1edbp 0.2 ho\u1eb7c 0.5, khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n tham chi\u1ebfu l\u1edbp 0.05% (0.05S) \u0111\u1ec3 duy tr\u00ec t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c ph\u00f9 h\u1ee3p.<\/p>\n

            C\u00f3 th\u1ec3 m\u1ed9t b\u00e0n th\u1eed ki\u1ec3m tra c\u1ea3 \u0111\u1ed3ng h\u1ed3 \u0111o m\u1ed9t pha v\u00e0 ba pha kh\u00f4ng?<\/h3>\n

            C\u00f3. V\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i d\u00e2y n\u1ed1i v\u00e0 c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 thay th\u1ebf, c\u00f9ng m\u1ed9t b\u00e0n \u0111a v\u1ecb tr\u00ed c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u1ea3 hai lo\u1ea1i, \u0111\u00f4i khi th\u1eadm ch\u00ed trong c\u00e1c l\u00f4 h\u1ed7n h\u1ee3p.<\/p>\n

            Th\u00f4ng th\u01b0\u1eddng c\u1ea7n bao nhi\u00eau b\u1eadc h\u00e0i h\u00f2a?<\/h3>\n

            H\u1ea7u h\u1ebft c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh y\u00eau c\u1ea7u ki\u1ec3m tra l\u00ean \u0111\u1ebfn b\u1eadc h\u00e0i h\u00f2a th\u1ee9 21. M\u1ed9t b\u00e0n th\u1eed t\u1ed1t n\u00ean t\u1ea1o ra c\u00e1c h\u00e0i h\u00f2a c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh t\u1eeb b\u1eadc 2 \u0111\u1ebfn \u00edt nh\u1ea5t b\u1eadc 21.<\/p>\n

            C\u00f3 h\u1ed7 tr\u1ee3 giao ti\u1ebfp quang DLMS\/COSEM kh\u00f4ng?<\/h3>\n

            C\u00e1c b\u00e0n hi\u1ec7u chu\u1ea9n hi\u1ec7n \u0111\u1ea1i bao g\u1ed3m \u0111\u1ea7u quang c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n ph\u1ea7n m\u1ec1m cho DLMS\/COSEM, IEC 62056-21 v\u00e0 c\u00e1c giao th\u1ee9c ph\u1ed5 bi\u1ebfn kh\u00e1c.<\/p>\n

            C\u00f3 th\u1ec3 t\u0103ng s\u1ed1 v\u1ecb tr\u00ed ki\u1ec3m tra sau n\u00e0y kh\u00f4ng?<\/h3>\n

            Nhi\u1ec1u thi\u1ebft k\u1ebf c\u00f3 t\u00ednh m\u00f4-\u0111un. Th\u01b0\u1eddng c\u00f3 th\u1ec3 th\u00eam c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng b\u1ed1n v\u1ecb tr\u00ed b\u1ed5 sung, v\u00e0 ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng nh\u1eadn di\u1ec7n c\u1ea5u h\u00ecnh m\u1edf r\u1ed9ng.<\/p>\n

            Th\u1eddi gian d\u1eabn \u0111i\u1ec3n h\u00ecnh cho m\u1ed9t b\u00e0n th\u1eed t\u00f9y ch\u1ec9nh l\u00e0 bao l\u00e2u?<\/h3>\n

            C\u00e1c c\u1ea5u h\u00ecnh ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c giao trong 45\u201360 ng\u00e0y. H\u1ec7 th\u1ed1ng t\u00f9y ch\u1ec9nh ho\u00e0n to\u00e0n th\u01b0\u1eddng y\u00eau c\u1ea7u 90\u2013120 ng\u00e0y t\u1eeb khi x\u00e1c nh\u1eadn \u0111\u01a1n h\u00e0ng \u0111\u1ebfn giao h\u00e0ng.<\/p>\n

            Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n

            T\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong> c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng th\u1ec3 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p khi n\u00f3i \u0111\u1ebfn vi\u1ec7c th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c vi\u1ec7c \u0111\u1ecdc n\u0103ng l\u01b0\u1ee3ng, t\u00ednh ph\u00ed h\u00f3a \u0111\u01a1n \u0111\u00fang v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. C\u00e1c thi\u1ebft b\u1ecb \u0111o \u0111\u1eb7c bi\u1ec7t t\u00edch h\u1ee3p c\u00e1c ti\u00eau chu\u1ea9n tham chi\u1ebfu v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c 0.05%, ki\u1ec3m tra \u0111a k\u00eanh \u0111\u1ed3ng th\u1eddi, kh\u1ea3 n\u0103ng t\u1ea1o h\u00e0i h\u00f2a v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp v\u1edbi nhi\u1ec1u giao th\u1ee9c mang l\u1ea1i cho c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t c\u01a1 h\u1ed9i s\u1edf h\u1eefu c\u00f4ng ngh\u1ec7 hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cao. S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 tr\u01b0\u1eddng h\u1ee3p, c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 giao ti\u1ebfp c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ed5 ch\u1ee9c v\u1ec1 n\u0103ng su\u1ea5t, kh\u1ea3 n\u0103ng truy xu\u1ea5t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong k\u1ebft qu\u1ea3 \u0111o.<\/p>\n

            M\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 th\u00f4ng minh v\u00e0o thi\u1ebft b\u1ecb \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/strong>\u00a0\u0111\u00e1ng tin c\u1eady v\u00e0 ti\u00ean ti\u1ebfn \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 t\u1ed1t trong vi\u1ec7c s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m thi\u1ec3u tranh ch\u1ea5p. Cho d\u00f9 b\u1ea1n \u0111ang kh\u1edfi \u0111\u1ed9ng m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m m\u1edbi \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n hay n\u00e2ng c\u1ea5p c\u01a1 s\u1edf hi\u1ec7n c\u00f3, vi\u1ec7c tham kh\u1ea3o \u00fd ki\u1ebfn c\u00e1c c\u00f4ng ty t\u01b0 v\u1ea5n cung c\u1ea5p thi\u1ebft b\u1ecb hi\u1ec7u chu\u1ea9n \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n IEC 62053 v\u00e0 c\u00e1c nhu c\u1ea7u \u0111\u1eb7c th\u00f9 c\u1ee7a doanh nghi\u1ec7p b\u1ea1n l\u00e0 \u0111i\u1ec1u n\u00ean l\u00e0m.<\/p>","protected":false},"excerpt":{"rendered":"

            Release Time: 2026-09-04 Precise energy measurement is crucial for the electricity billing system, grid operations, and compliance with the correct standards. Whether it is utility laboratories, meter devices manufacturing plants or independent calibration services, it is safe to say that all electrical current measurements will be reliable and accurate as long as thorough testing procedures […]<\/p>\n","protected":false},"author":3,"featured_media":1713,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-1712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/comments?post=1712"}],"version-history":[{"count":1,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1712\/revisions"}],"predecessor-version":[{"id":1716,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1712\/revisions\/1716"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media\/1713"}],"wp:attachment":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media?parent=1712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/categories?post=1712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/tags?post=1712"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}