{"id":2335,"date":"2026-09-06T13:51:54","date_gmt":"2026-09-06T05:51:54","guid":{"rendered":"https:\/\/zishengtransformer.com\/?p=2335"},"modified":"2026-09-06T13:51:54","modified_gmt":"2026-09-06T05:51:54","slug":"transformer-selection-for-peru-mining-projects","status":"publish","type":"post","link":"https:\/\/zishengtransformer.com\/vi\/transformer-selection-for-peru-mining-projects\/","title":{"rendered":"L\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p cho c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf t\u1ea1i Peru: \u0110\u1ed9 cao, h\u1ec7 th\u1ed1ng 60 Hz v\u00e0 h\u1eadu c\u1ea7n t\u1ea1i c\u00f4ng tr\u01b0\u1eddng"},"content":{"rendered":"

Vi\u1ec7c mua s\u1eafm m\u00e1y bi\u1ebfn \u00e1p cho m\u1ed9t m\u1ecf hi\u1ebfm khi ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 so s\u00e1nh c\u00f4ng su\u1ea5t (kVA), t\u1ef7 s\u1ed1 \u0111i\u1ec7n \u00e1p v\u00e0 gi\u00e1 c\u1ea3. M\u1ed9t d\u1ef1 \u00e1n c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p \u1edf \u0111\u1ed9 cao l\u1edbn, \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t l\u1edbn, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ea7n s\u1ed1 bi\u1ebfn \u0111\u1ed5i, \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n d\u00e0i, \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng l\u01b0\u1edbi y\u1ebfu v\u00e0 c\u00e1c tuy\u1ebfn v\u1eadn chuy\u1ec3n b\u1ecb h\u1ea1n ch\u1ebf. N\u1ebfu c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 m\u00e1y bi\u1ebfn \u00e1p, thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt tr\u00ean gi\u1ea5y t\u1edd nh\u01b0ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn c\u1ee7a Zisheng Electric L\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p cho c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf t\u1ea1i Peru<\/strong> nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1 t\u1ed5ng th\u1ec3 v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, t\u1ea3i qu\u00e1 tr\u00ecnh, \u0111\u1ed9 cao, m\u00f4i tr\u01b0\u1eddng v\u00e0 h\u1eadu c\u1ea7n. H\u1ec7 th\u1ed1ng li\u00ean k\u1ebft c\u1ee7a Peru ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 60 Hz, nh\u01b0 \u0111\u01b0\u1ee3c n\u00eau trong t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c c\u1ee7a d\u1ef1 \u00e1n COES, nh\u01b0ng t\u1ea7n s\u1ed1 kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t x\u00e1c \u0111\u1ecbnh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p. S\u01a1 \u0111\u1ed3 m\u1ed9t d\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u01a1n v\u1ecb cung c\u1ea5p \u0111i\u1ec7n ho\u1eb7c ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 c\u00e1c s\u1ed1 li\u1ec7u \u0111o \u0111\u1ea1c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng ph\u1ea3i x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p th\u1ef1c t\u1ebf, y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n v\u00e0 gi\u1edbi h\u1ea1n v\u1eadn h\u00e0nh.<\/p>\n

T\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p trong khai th\u00e1c l\u1ea1i b\u1eaft \u0111\u1ea7u t\u1eeb quy tr\u00ecnh<\/h2>\n

Nhu c\u1ea7u \u0111i\u1ec7n c\u1ee7a m\u1ed9t m\u1ecf ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c. C\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y nghi\u1ec1n, m\u00e1y xay, b\u0103ng t\u1ea3i, m\u00e1y b\u01a1m, h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 v\u00e0 thi\u1ebft b\u1ecb tho\u00e1t n\u01b0\u1edbc kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng kh\u1edfi \u0111\u1ed9ng hay v\u1eadn h\u00e0nh theo c\u00f9ng m\u1ed9t c\u00e1ch. M\u1ed9t s\u1ed1 t\u1ea3i c\u00f3 d\u00f2ng kh\u1edfi \u0111\u1ed9ng cao. M\u1ed9t s\u1ed1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng b\u1ed9 bi\u1ebfn t\u1ea7n. M\u1ed9t s\u1ed1 l\u00e0 c\u00e1c t\u1ea3i quan tr\u1ecdng v\u00ec vi\u1ec7c m\u1ea5t \u0111i\u1ec7n c\u00f3 th\u1ec3 l\u00e0m ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc, th\u00f4ng gi\u00f3 ho\u1eb7c x\u1eed l\u00fd qu\u1eb7ng. Do \u0111\u00f3, c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c v\u00e0 tr\u1edf kh\u00e1ng c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u1ef1a tr\u00ean c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3, thay v\u00ec ch\u1ec9 d\u1ef1a tr\u00ean t\u1ed5ng c\u00f4ng su\u1ea5t t\u1ea3i k\u1ebft n\u1ed1i duy nh\u1ea5t.<\/p>\n

B\u1eaft \u0111\u1ea7u b\u1eb1ng danh s\u00e1ch t\u1ea3i, trong \u0111\u00f3 ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i t\u1ea3i li\u00ean t\u1ee5c, gi\u00e1n \u0111o\u1ea1n, d\u1ef1 ph\u00f2ng v\u00e0 t\u1ea3i trong t\u01b0\u01a1ng lai. X\u00e1c \u0111\u1ecbnh \u0111\u1ed9ng c\u01a1 c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn nh\u1ea5t, ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng, t\u1ea7n s\u1ed1 kh\u1edfi \u0111\u1ed9ng v\u00e0 m\u1ee9c s\u1ee5t \u00e1p cho ph\u00e9p. Ghi l\u1ea1i c\u1ea5u h\u00ecnh xung c\u1ee7a bi\u1ebfn t\u1ea7n (VFD), d\u1eef li\u1ec7u s\u00f3ng h\u00e0i v\u00e0 thi\u1ebft b\u1ecb ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t. N\u1ebfu m\u00e1y ph\u00e1t \u0111i\u1ec7n ho\u1eb7c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o t\u1ea1i ch\u1ed7 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n, h\u00e3y bao g\u1ed3m c\u00e1c ch\u1ebf \u0111\u1ed9 \u0111\u00f3 v\u00e0o nghi\u00ean c\u1ee9u.<\/p>\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n<\/h3>\n
    \n
  • Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t di\u1ec5n ra b\u00ecnh th\u01b0\u1eddng v\u1edbi m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng nh\u01b0 d\u1ef1 ki\u1ebfn.<\/li>\n
  • Kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 l\u1edbn nh\u1ea5t trong khi c\u00e1c t\u1ea3i tr\u1ecdng thi\u1ebft y\u1ebfu kh\u00e1c \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
  • Kh\u1edfi \u0111\u1ed9ng l\u1ea1i sau khi b\u1ecb ng\u1eaft \u0111i\u1ec7n ho\u1eb7c h\u1ec7 th\u1ed1ng ng\u1eebng ho\u1ea1t \u0111\u1ed9ng do s\u1ef1 c\u1ed1 quy tr\u00ecnh.<\/li>\n
  • Ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i l\u01b0\u1edbi \u0111i\u1ec7n y\u1ebfu h\u01a1n ho\u1eb7c s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n t\u1ef1 s\u1ea3n xu\u1ea5t t\u1ea1i ch\u1ed7.<\/li>\n
  • M\u1ed9t m\u00e1y bi\u1ebfn \u00e1p ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00e1c m\u00e1y bi\u1ebfn \u00e1p song song.<\/li>\n
  • K\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng k\u00e8m theo l\u1ecbch tr\u00ecnh t\u1ea3i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn cho t\u01b0\u01a1ng lai.<\/li>\n<\/ul>\n

    C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p cho c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf t\u1ea1i Peru<\/h2>\n\n\n\n\n\n\n\n\n\n\n
    D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a d\u1ef1 \u00e1n<\/th>\nQuy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt<\/th>\nT\u1ea7m quan tr\u1ecdng<\/th>\nR\u1ee7i ro mua s\u1eafm \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n
    \u0110\u1ed9 cao l\u1eafp \u0111\u1eb7t<\/td>\nR\u00e0 so\u00e1t h\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t b\u00ean ngo\u00e0i, kho\u1ea3ng c\u00e1ch an to\u00e0n, h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 v\u1ecf b\u1ecdc<\/td>\nM\u1eadt \u0111\u1ed9 kh\u00f4ng kh\u00ed th\u1ea5p h\u01a1n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111i\u1ec7n m\u00f4i v\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t<\/td>\nThi\u1ebft k\u1ebf ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng m\u00e0 kh\u00f4ng c\u00f3 hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 cao<\/td>\n<\/tr>\n
    \u0110i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng v\u00e0 t\u1ea7n s\u1ed1 60 Hz<\/td>\nThi\u1ebft k\u1ebf cu\u1ed9n d\u00e2y, m\u1ee9c c\u00e1ch \u0111i\u1ec7n, d\u1ea3i v\u1ea1ch chia v\u00e0 ph\u1ee5 ki\u1ec7n<\/td>\nM\u00e1y bi\u1ebfn \u00e1p ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t c\u1ee7a m\u1ea1ng l\u01b0\u1edbi v\u00e0 thi\u1ebft b\u1ecb<\/td>\n\u0110i\u1ec7n \u00e1p danh \u0111\u1ecbnh th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi \u0111i\u1ec7n \u00e1p cao nh\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb<\/td>\n<\/tr>\n
    Kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1<\/td>\n\u0110\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t, tr\u1edf kh\u00e1ng v\u00e0 s\u1ee5t \u00e1p<\/td>\nD\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng l\u1edbn c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u cho bus qu\u00e1 tr\u00ecnh<\/td>\nT\u1ea3i tr\u1ecdng khi v\u1eadn h\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra nh\u01b0ng hi\u1ec7u su\u1ea5t kh\u1edfi \u0111\u1ed9ng th\u00ec ch\u01b0a<\/td>\n<\/tr>\n
    T\u1ea3i h\u00e0i<\/td>\nDung sai nhi\u1ec7t, thi\u1ebft k\u1ebf cu\u1ed9n d\u00e2y v\u00e0 x\u1eed l\u00fd \u0111i\u1ec3m trung t\u00ednh<\/td>\nC\u00e1c s\u00f3ng h\u00e0i c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed5n th\u1ea5t do d\u00f2ng xo\u00e1y v\u00e0 t\u1ed5n th\u1ea5t r\u00f2 r\u1ec9<\/td>\nT\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m VFD \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea m\u00e0 kh\u00f4ng k\u00e8m theo ph\u1ed5 s\u00f3ng h\u00e0i<\/td>\n<\/tr>\n
    B\u1ee5i v\u00e0 th\u1eddi ti\u1ebft<\/td>\nH\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, h\u1ec7 th\u1ed1ng l\u00e0m k\u00edn, h\u1ec7 th\u1ed1ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 l\u1ed1i ti\u1ebfp c\u1eadn \u0111\u1ec3 b\u1ea3o tr\u00ec<\/td>\nL\u1edbp l\u1eafng c\u1eb7n c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbp c\u00e1ch nhi\u1ec7t b\u00ean ngo\u00e0i<\/td>\nNg\u00f4n ng\u1eef m\u00f4 t\u1ea3 v\u1ecf b\u1ecdc chung thay th\u1ebf cho th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\n<\/tr>\n
    Tuy\u1ebfn \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n<\/td>\nK\u00edch th\u01b0\u1edbc v\u1eadn chuy\u1ec3n, c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 th\u00e1o r\u1eddi v\u00e0 s\u01a1 \u0111\u1ed3 l\u1eafp r\u00e1p t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/td>\n\u0110\u01b0\u1eddng n\u00fai v\u00e0 gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u00e0ng h\u00f3a c\u00f3 th\u1ec3 giao \u0111\u01b0\u1ee3c<\/td>\nVi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n t\u1ea5t tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh ki\u1ec3m tra h\u1eadu c\u1ea7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \"S\u1ea3n
    C\u1ea5u tr\u00fac cu\u1ed9n d\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p, m\u1ee9c xung v\u00e0 ng\u1eafn m\u1ea1ch c\u01a1 h\u1ecdc.<\/figcaption><\/figure>\n

    \u0110\u1ed9 cao l\u1edbn l\u00e0 c\u1ea3 m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111i\u1ec7n m\u00f4i l\u1eabn nhi\u1ec7t<\/h2>\n

    Nhi\u1ec1u khu v\u1ef1c khai th\u00e1c m\u1ecf \u1edf d\u00e3y Andes n\u1eb1m \u1edf \u0111\u1ed9 cao tr\u00ean 1.000 m. \u0110\u1ed9 cao ch\u00ednh x\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua kh\u1ea3o s\u00e1t d\u1ef1 \u00e1n. \u1ede \u0111\u1ed9 cao l\u1edbn h\u01a1n, m\u1eadt \u0111\u1ed9 kh\u00f4ng kh\u00ed gi\u1ea3m s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kho\u1ea3ng c\u00e1ch an to\u00e0n b\u00ean ngo\u00e0i v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed. Ti\u00eau chu\u1ea9n IEC 60137 quy \u0111\u1ecbnh quy tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cao \u0111\u1ed1i v\u1edbi c\u00e1c \u1ed1ng l\u00f3t bi\u1ebfn \u00e1p \u1edf \u0111\u1ed9 cao tr\u00ean 1.000 m, v\u00e0 vi\u1ec7c ph\u1ed1i h\u1ee3p c\u00e1ch \u0111i\u1ec7n ph\u1ea3i tu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t c\u1ee7a ti\u00eau chu\u1ea9n IEC 60071 v\u00e0 IEC 60076 ho\u1eb7c ph\u01b0\u01a1ng \u00e1n thay th\u1ebf do ch\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u1ec1 xu\u1ea5t.<\/p>\n

    Ch\u1ec9 ghi \u201cph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 cao l\u1edbn\u201d tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0 ch\u01b0a \u0111\u1ee7. Nh\u00e0 cung c\u1ea5p c\u1ea7n gi\u1ea3i th\u00edch c\u1ee5 th\u1ec3 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra: c\u00e1ch \u0111i\u1ec7n c\u1ee7a \u1ed1ng l\u00f3t, kho\u1ea3ng c\u00e1ch c\u00e1ch \u0111i\u1ec7n gi\u1eefa c\u00e1c pha v\u00e0 gi\u1eefa pha v\u1edbi \u0111\u1ea5t, s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t, c\u00f4ng su\u1ea5t t\u1ea3n nhi\u1ec7t, hi\u1ec7u su\u1ea5t qu\u1ea1t, bi\u00ean \u0111\u1ed9 t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c ph\u1ee5 ki\u1ec7n. C\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i kh\u00f4 c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 v\u1ec1 v\u1ecf b\u1ea3o v\u1ec7 v\u00e0 h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 v\u00ec lu\u1ed3ng kh\u00f4ng kh\u00ed b\u1ecb h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111i l\u1ee3i \u00edch d\u1ef1 ki\u1ebfn c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t trong nh\u00e0.<\/p>\n

    \u0110\u1ed1i v\u1edbi tr\u1ea1m bi\u1ebfn \u00e1p ngo\u00e0i tr\u1eddi, h\u00e3y y\u00eau c\u1ea7u b\u1ea3n v\u1ebd b\u1ed1 tr\u00ed t\u1ed5ng th\u1ec3 c\u00f3 ghi k\u00edch th\u01b0\u1edbc, trong \u0111\u00f3 th\u1ec3 hi\u1ec7n c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t l\u00e2n c\u1eadn c\u0169ng nh\u01b0 c\u00e1c k\u1ebft n\u1ed1i c\u00e1p ho\u1eb7c thanh d\u1eabn. \u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u1eb7t trong nh\u00e0, c\u1ea7n x\u00e1c nh\u1eadn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, c\u00f4ng su\u1ea5t th\u00f4ng gi\u00f3, h\u1ec7 th\u1ed1ng l\u1ecdc b\u1ee5i v\u00e0 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t. Vi\u1ec7c \u00e1p d\u1ee5ng h\u1ec7 s\u1ed1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cao cho m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 kh\u00f4ng ch\u1ee9ng minh r\u1eb1ng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t l\u00e0 ph\u00f9 h\u1ee3p.<\/p>\n

    X\u00e1c nh\u1eadn d\u1eef li\u1ec7u v\u1ec1 h\u1ec7 th\u1ed1ng 60 Hz v\u00e0 \u0111i\u1ec7n \u00e1p th\u1ef1c t\u1ebf<\/h2>\n

    C\u00e1c h\u1ed3 s\u01a1 ch\u00ednh th\u1ee9c c\u1ee7a d\u1ef1 \u00e1n COES s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng t\u1ea7n s\u1ed1 60 Hz l\u00e0m c\u01a1 s\u1edf. Tuy nhi\u00ean, nh\u00f3m mua s\u1eafm tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p ch\u1ec9 d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 t\u1ea7n s\u1ed1 qu\u1ed1c gia. C\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i qua c\u00e1c c\u1ea5p truy\u1ec1n t\u1ea3i, ph\u00e2n ph\u1ed1i ho\u1eb7c ph\u00e2n ph\u1ed1i th\u1ee9 c\u1ea5p kh\u00e1c nhau, v\u00e0 \u0111i\u1ec7n \u00e1p th\u1ee9 c\u1ea5p c\u1ee7a nh\u00e0 m\u00e1y ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf quy tr\u00ecnh. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt mua s\u1eafm ph\u1ea3i x\u00e1c \u0111\u1ecbnh r\u00f5 \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh, \u0111i\u1ec7n \u00e1p v\u1eadn h\u00e0nh t\u1ed1i \u0111a, \u0111i\u1ec7n \u00e1p cao nh\u1ea5t cho thi\u1ebft b\u1ecb, c\u00e1c y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n c\u01a1 b\u1ea3n v\u00e0 s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t cho t\u1eebng cu\u1ed9n d\u00e2y.<\/p>\n

    Ph\u1ea1m vi v\u00e0 b\u01b0\u1edbc chuy\u1ec3n c\u1ea5p n\u00ean \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u d\u00f2ng t\u1ea3i v\u00e0 \u0111i\u1ec7n \u00e1p. M\u1ed9t b\u1ed9 chuy\u1ec3n n\u1ea5c ng\u1eaft ngu\u1ed3n c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7 trong tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o \u1ed5n \u0111\u1ecbnh v\u00e0 vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh di\u1ec5n ra kh\u00f4ng th\u01b0\u1eddng xuy\u00ean. M\u1ed9t b\u1ed9 chuy\u1ec3n n\u1ea5c khi \u0111ang t\u1ea3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n qu\u1ea3n l\u00fd s\u1ef1 bi\u1ebfn \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p v\u1eadn h\u00e0nh m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n s\u1ea3n xu\u1ea5t. Quy\u1ebft \u0111\u1ecbnh n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed, b\u1ea3o tr\u00ec, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n, b\u1ea3o v\u1ec7 v\u00e0 k\u1ebf ho\u1ea1ch d\u1ef1 ph\u00f2ng linh ki\u1ec7n.<\/p>\n

    Khi m\u1ecf c\u00f3 h\u1ec7 th\u1ed1ng ph\u00e1t \u0111i\u1ec7n t\u1ea1i ch\u1ed7, c\u1ea7n x\u00e1c nh\u1eadn t\u1ea5t c\u1ea3 c\u00e1c ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh. M\u00e1y bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ecbu d\u00f2ng \u0111i\u1ec7n ch\u1ea1y theo c\u1ea3 hai h\u01b0\u1edbng, c\u00e1c m\u1ee9c s\u1ef1 c\u1ed1 kh\u00e1c nhau ho\u1eb7c \u0111i\u1ec3m trung t\u00ednh tham chi\u1ebfu kh\u00e1c nhau. C\u00e1c th\u00f4ng s\u1ed1 b\u1ea3o v\u1ec7, t\u1ef7 s\u1ed1 CT v\u00e0 nguy\u00ean t\u1eafc \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p c\u1ea7n \u0111\u01b0\u1ee3c th\u1ed1ng nh\u1ea5t tr\u01b0\u1edbc khi b\u1ea3n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n

    \"M\u00e1y
    C\u1ea5u h\u00ecnh m\u00e1y bi\u1ebfn \u00e1p c\u1ea7n ph\u1ea3n \u00e1nh \u0111\u00fang \u0111\u1eb7c t\u00ednh t\u1ea3i th\u1ef1c t\u1ebf, \u0111\u1ed9 cao c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec.<\/figcaption><\/figure>\n

    Kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, tr\u1edf kh\u00e1ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p<\/h2>\n

    Tr\u1edf kh\u00e1ng ng\u1eafn m\u1ea1ch \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 v\u00e0 s\u1ee5t \u00e1p. Tr\u1edf kh\u00e1ng cao h\u01a1n c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 nh\u01b0ng l\u1ea1i l\u00e0m t\u0103ng s\u1ee5t \u00e1p trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t l\u1edbn. Tr\u1edf kh\u00e1ng th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111i\u1ec7n \u00e1p kh\u1edfi \u0111\u1ed9ng nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ea3i tr\u1ecdng \u0111\u1eb7t l\u00ean thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 thanh c\u00e1i. Kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb n\u00e0o l\u00e0 \u0111\u00fang tuy\u1ec7t \u0111\u1ed1i; gi\u00e1 tr\u1ecb n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 ngu\u1ed3n, tr\u1edf kh\u00e1ng c\u00e1p, ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7.<\/p>\n

    Y\u00eau c\u1ea7u t\u00ednh to\u00e1n cho tr\u01b0\u1eddng h\u1ee3p kh\u1edfi \u0111\u1ed9ng c\u00f3 y\u00eau c\u1ea7u kh\u1eaft khe nh\u1ea5t. N\u1ebfu m\u00e1y nghi\u1ec1n ho\u1eb7c m\u00e1y xay s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp (DOL), nghi\u00ean c\u1ee9u c\u1ea7n ch\u1ec9 ra d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng, th\u1eddi gian t\u0103ng t\u1ed1c v\u00e0 \u0111i\u1ec7n \u00e1p t\u1ea1i c\u00e1c c\u1ef1c \u0111\u1ed9ng c\u01a1. B\u1ed9 kh\u1edfi \u0111\u1ed9ng m\u1ec1m v\u00e0 bi\u1ebfn t\u1ea7n (VFD) gi\u00fap gi\u1ea3m ho\u1eb7c ki\u1ec3m so\u00e1t d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng, nh\u01b0ng ch\u00fang c\u0169ng g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 ri\u00eang v\u1ec1 nhi\u1ec7t v\u00e0 s\u00f3ng h\u00e0i. Trong tr\u01b0\u1eddng h\u1ee3p kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn nhi\u1ec1u \u0111\u1ed9ng c\u01a1, h\u00e3y x\u00e1c \u0111\u1ecbnh tr\u00ecnh t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 m\u00e1y bi\u1ebfn \u00e1p kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean m\u1ed9t t\u1ea3i ri\u00eang l\u1ebb.<\/p>\n

    D\u1ea1ng s\u00f3ng h\u00e0i v\u00e0 t\u1ea3i phi tuy\u1ebfn<\/h2>\n

    Bi\u1ebfn t\u1ea7n (VFD), b\u1ed9 ch\u1ec9nh l\u01b0u, b\u1ed9 s\u1ea1c \u1eafc-quy v\u00e0 b\u1ed9 ngu\u1ed3n li\u00ean t\u1ee5c (UPS) ti\u00eau th\u1ee5 d\u00f2ng \u0111i\u1ec7n phi tuy\u1ebfn. H\u00e0m l\u01b0\u1ee3ng s\u00f3ng h\u00e0i c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed5n th\u1ea5t d\u00f2ng xo\u00e1y trong cu\u1ed9n d\u00e2y, t\u1ed5n th\u1ea5t r\u00f2 r\u1ec9 c\u1ea5u tr\u00fac v\u00e0 d\u00f2ng \u0111i\u1ec7n trung t\u00ednh. Ch\u1ec9 d\u1ef1a v\u00e0o t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m \u201ct\u1ea3i bi\u1ebfn t\u1ea7n\u201d l\u00e0 ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 thi\u1ebft k\u1ebf. C\u1ea7n cung c\u1ea5p s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac bi\u1ebfn t\u1ea7n, s\u1ed1 xung, cu\u1ed9n c\u1ea3m ho\u1eb7c b\u1ed9 l\u1ecdc \u0111\u1ea7u v\u00e0o, ph\u1ed5 s\u00f3ng h\u00e0i d\u1ef1 ki\u1ebfn v\u00e0 m\u00f4 h\u00ecnh t\u1ea3i.<\/p>\n

    Sau \u0111\u00f3, nh\u00e0 cung c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 r\u00e0 so\u00e1t k\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn, c\u00e1ch b\u1ed1 tr\u00ed cu\u1ed9n d\u00e2y, m\u1eadt \u0111\u1ed9 t\u1eeb th\u00f4ng, l\u1edbp b\u1ea3o v\u1ec7 v\u00e0 bi\u00ean \u0111\u1ed9 t\u0103ng nhi\u1ec7t \u0111\u1ed9. K\u1ef9 s\u01b0 h\u1ec7 th\u1ed1ng c\u1ea7n ki\u1ec3m tra ri\u00eang bi\u1ec7t hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng v\u1edbi c\u00e1c c\u1ee5m t\u1ee5 \u0111i\u1ec7n v\u00e0 x\u00e1c minh c\u00e1c gi\u1edbi h\u1ea1n s\u00f3ng h\u00e0i t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i. Kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu s\u00f3ng h\u00e0i n\u1ebfu ch\u01b0a c\u00f3 c\u01a1 s\u1edf t\u1ea3i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng.<\/p>\n

    B\u1ee5i, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 s\u1ef1 \u0103n m\u00f2n<\/h2>\n

    M\u00f4i tr\u01b0\u1eddng khai th\u00e1c m\u1ecf c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 b\u1ee5i m\u00e0i m\u00f2n, s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 h\u00e0ng ng\u00e0y l\u1edbn, b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi m\u1ea1nh v\u00e0 \u0111\u1ed9 \u1ea9m theo m\u00f9a. D\u1ef1 \u00e1n c\u1ea7n m\u00f4 t\u1ea3 th\u00e0nh ph\u1ea7n v\u00e0 n\u1ed3ng \u0111\u1ed9 b\u1ee5i (n\u1ebfu c\u00f3), nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng t\u1ed1i \u0111a v\u00e0 t\u1ed1i thi\u1ec3u, b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi, l\u01b0\u1ee3ng m\u01b0a, \u0111\u1ed9 \u1ea9m v\u00e0 c\u1ea5p \u0111\u1ed9 \u0103n m\u00f2n. Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 b\u1ea3o tr\u00ec v\u00e0 t\u1ea7n su\u1ea5t v\u1ec7 sinh c\u0169ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n

    \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ng\u00e2m d\u1ea7u, c\u1ea7n so s\u00e1nh c\u00e1c ph\u01b0\u01a1ng \u00e1n thi\u1ebft k\u1ebf k\u00edn v\u00e0 s\u1eed d\u1ee5ng b\u00ecnh ch\u1ee9a d\u1ef1 tr\u1eef d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t, c\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o tr\u00ec. C\u1ea7n quy \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c b\u1ed9 t\u1ea3n nhi\u1ec7t, kh\u00f4ng gian ti\u1ebfp c\u1eadn qu\u1ea1t, v\u1eadt li\u1ec7u gio\u0103ng, h\u1ec7 th\u1ed1ng s\u01a1n v\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 t\u1ee7 \u0111i\u1ec1u khi\u1ec3n. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i kh\u00f4, c\u1ea7n x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 ch\u1ed1ng x\u00e2m nh\u1eadp c\u1ee7a v\u1ecf b\u1ecdc, h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 v\u00e0 k\u1ebf ho\u1ea1ch l\u00e0m s\u1ea1ch b\u1ee5i. Ch\u1ec9 s\u1ed1 IP cao kh\u00f4ng th\u1ec3 thay th\u1ebf cho nghi\u00ean c\u1ee9u nhi\u1ec7t; vi\u1ec7c h\u1ea1n ch\u1ebf lu\u1ed3ng kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 b\u00ean trong.<\/p>\n

    L\u0129nh v\u1ef1c h\u1eadu c\u1ea7n c\u00f3 th\u1ec3 chi ph\u1ed1i thi\u1ebft k\u1ebf m\u00e1y bi\u1ebfn \u00e1p<\/h2>\n

    C\u00e1c \u0111\u1ecba \u0111i\u1ec3m \u1edf v\u00f9ng n\u00fai h\u1ebbo l\u00e1nh c\u00f3 th\u1ec3 c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 c\u1ea7u, kh\u00fac cua g\u1ea5p, \u0111\u1ed9 d\u1ed1c l\u1edbn, \u0111\u01b0\u1eddng h\u1ea7m h\u1eb9p v\u00e0 c\u00f4ng su\u1ea5t c\u1ea7n c\u1ea9u h\u1ea1n ch\u1ebf. Vi\u1ec7c \u0111\u00e1nh gi\u00e1 v\u1eadn chuy\u1ec3n n\u00ean \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u01b0\u1edbc khi ho\u00e0n thi\u1ec7n b\u1ea3n v\u1ebd t\u1ed5ng th\u1ec3 b\u1ed3n ch\u1ee9a. C\u1ea7n x\u00e1c nh\u1eadn kh\u1ed1i l\u01b0\u1ee3ng v\u1eadn chuy\u1ec3n t\u1ed1i \u0111a, t\u1ea3i tr\u1ecdng tr\u00ean tr\u1ee5c, k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3 khi v\u1eadn chuy\u1ec3n, c\u00e1c gi\u1ea3 \u0111\u1ecbnh kh\u1ea3o s\u00e1t tuy\u1ebfn \u0111\u01b0\u1eddng, c\u00e1c \u0111i\u1ec3m n\u00e2ng, \u0111\u1ebf n\u00e2ng v\u00e0 khu v\u1ef1c l\u1eafp r\u00e1p s\u1eb5n c\u00f3.<\/p>\n

    C\u00e1c ph\u1ee5 ki\u1ec7n c\u1ee1 l\u1edbn c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i th\u00e1o r\u1eddi \u0111\u1ec3 v\u1eadn chuy\u1ec3n. H\u1ee3p \u0111\u1ed3ng c\u1ea7n n\u00eau r\u00f5 nh\u1eefng lo\u1ea1i \u1ed1ng l\u00f3t, b\u1ed9 t\u1ea3n nhi\u1ec7t, b\u1ed9 ph\u1eadn b\u00ecnh ch\u1ee9a d\u1ea7u, qu\u1ea1t v\u00e0 h\u1ed9p c\u00e1p n\u00e0o s\u1ebd \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n ri\u00eang; c\u00e1ch th\u1ee9c b\u1ecbt k\u00edn c\u00e1c khe h\u1edf; v\u00e0 nh\u1eefng c\u00f4ng vi\u1ec7c n\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. X\u00e1c \u0111\u1ecbnh li\u1ec7u b\u1ec3 ch\u00ednh s\u1ebd \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n trong t\u00ecnh tr\u1ea1ng ch\u1ee9a \u0111\u1ea7y d\u1ea7u, ch\u1ee9a m\u1ed9t ph\u1ea7n d\u1ea7u hay trong m\u00f4i tr\u01b0\u1eddng kh\u00ed kh\u00f4, t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf v\u00e0 ph\u01b0\u01a1ng ph\u00e1p v\u1eadn chuy\u1ec3n \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t. C\u00e1c c\u00f4ng vi\u1ec7c x\u1eed l\u00fd d\u1ea7u t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, n\u1ea1p d\u1ea7u trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng v\u00e0 ki\u1ec3m tra r\u00f2 r\u1ec9 ph\u1ea3i \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong b\u1ea3n m\u00f4 t\u1ea3 ph\u01b0\u01a1ng ph\u00e1p v\u00e0 b\u1ea3ng ph\u00e2n c\u00f4ng tr\u00e1ch nhi\u1ec7m.<\/p>\n

    V\u00ed d\u1ee5 gi\u1ea3 \u0111\u1ecbnh v\u1ec1 vi\u1ec7c mua s\u1eafm<\/h2>\n

    V\u00ed d\u1ee5 gi\u1ea3 \u0111\u1ecbnh \u2014 kh\u00f4ng ph\u1ea3i l\u00e0 tham chi\u1ebfu d\u1ef1 \u00e1n:<\/strong> M\u1ed9t m\u1ecf \u0111ang c\u00f3 k\u1ebf ho\u1ea1ch l\u1eafp \u0111\u1eb7t m\u1ed9t d\u00e2y chuy\u1ec1n nghi\u1ec1n m\u1edbi \u1edf \u0111\u1ed9 cao 4.200 m. Danh s\u00e1ch thi\u1ebft b\u1ecb s\u01a1 b\u1ed9 bao g\u1ed3m m\u1ed9t \u0111\u1ed9ng c\u01a1 m\u00e1y nghi\u1ec1n c\u1ee1 l\u1edbn, m\u1ed9t s\u1ed1 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u0103ng t\u1ea3i v\u00e0 m\u1ed9t m\u1ea1ch nghi\u1ec1n s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong t\u01b0\u01a1ng lai. M\u1ea1ng \u0111i\u1ec7n c\u1ea5p v\u00e0o c\u00f3 t\u1ea7n s\u1ed1 60 Hz, nh\u01b0ng h\u1ed3 s\u01a1 m\u1eddi th\u1ea7u ch\u1ec9 n\u00eau r\u00f5 c\u00f4ng su\u1ea5t m\u00e1y bi\u1ebfn \u00e1p v\u00e0 \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh.<\/p>\n

    Tr\u01b0\u1edbc khi so s\u00e1nh b\u00e1o gi\u00e1, ng\u01b0\u1eddi mua c\u1ea7n cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 \u0111\u1ed9 cao \u0111\u00e3 kh\u1ea3o s\u00e1t, d\u1eef li\u1ec7u \u0111i\u1ec7n \u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, m\u1ee9c ng\u1eafn m\u1ea1ch ngu\u1ed3n, d\u1eef li\u1ec7u kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, th\u00f4ng tin v\u1ec1 s\u00f3ng h\u00e0i c\u1ee7a bi\u1ebfn t\u1ea7n (VFD), \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, k\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng, gi\u1edbi h\u1ea1n v\u1eadn chuy\u1ec3n v\u00e0 nguy\u00ean t\u1eafc ng\u1eaft \u0111i\u1ec7n theo y\u00eau c\u1ea7u. Nh\u1edd \u0111\u00f3, c\u00e1c b\u00e1o gi\u00e1 m\u00e1y bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh tr\u00ean c\u00f9ng m\u1ed9t c\u01a1 s\u1edf k\u1ef9 thu\u1eadt. N\u1ebfu thi\u1ebfu c\u00e1c th\u00f4ng tin n\u00e0y, m\u1ed9t nh\u00e0 th\u1ea7u c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cao v\u00e0 c\u00e1c \u0111i\u1ec1u kho\u1ea3n h\u1eadu c\u1ea7n v\u00e0o gi\u00e1, trong khi nh\u00e0 th\u1ea7u kh\u00e1c l\u1ea1i \u0111\u1ecbnh gi\u00e1 theo thi\u1ebft k\u1ebf ti\u00eau chu\u1ea9n, khi\u1ebfn vi\u1ec7c so s\u00e1nh th\u01b0\u01a1ng m\u1ea1i tr\u1edf n\u00ean sai l\u1ec7ch.<\/p>\n

    \"Quy
    C\u00e1c h\u1ed3 s\u01a1 s\u1ea3n xu\u1ea5t v\u00e0 FAT cung c\u1ea5p b\u1eb1ng ch\u1ee9ng c\u1ea7n thi\u1ebft cho vi\u1ec7c nghi\u1ec7m thu k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi xu\u1ea5t h\u00e0ng.<\/figcaption><\/figure>\n

    Danh s\u00e1ch ki\u1ec3m tra vi\u1ec7c mua s\u1eafm m\u00e1y bi\u1ebfn \u00e1p cho ng\u00e0nh khai th\u00e1c m\u1ecf<\/h2>\n

    M\u1ed9t b\u1ea3ng so s\u00e1nh b\u00e1o gi\u00e1 v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt c\u1ea7n ghi r\u00f5 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng gi\u1ea3 \u0111\u1ecbnh, \u0111\u1ed9 cao l\u1eafp \u0111\u1eb7t, \u0111\u1eb7c t\u00ednh t\u1ea3i, c\u01a1 s\u1edf tr\u1edf kh\u00e1ng, d\u1ea3i v\u1ea1ch, c\u00f4ng su\u1ea5t l\u00e0m m\u00e1t, ph\u1ea1m vi ph\u1ee5 ki\u1ec7n, ph\u1ea1m vi th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n v\u1eadn chuy\u1ec3n. N\u1ebfu thi\u1ebfu c\u01a1 s\u1edf chung n\u00e0y, m\u1ee9c gi\u00e1 th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 ch\u1ec9 ph\u1ea3n \u00e1nh vi\u1ec7c b\u1ecf s\u00f3t c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt ch\u1ee9 kh\u00f4ng ph\u1ea3i do m\u00e1y bi\u1ebfn \u00e1p \u0111\u00f3 c\u00f3 t\u00ednh c\u1ea1nh tranh cao h\u01a1n.<\/p>\n

      \n
    1. S\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh.<\/li>\n
    2. T\u1ea7n s\u1ed1 60 Hz v\u00e0 d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 \u0111i\u1ec7n \u00e1p s\u01a1 c\u1ea5p, th\u1ee9 c\u1ea5p v\u00e0 th\u1ee9 ba.<\/li>\n
    3. \u0110i\u1ec7n \u00e1p t\u1ed1i \u0111a cho thi\u1ebft b\u1ecb v\u00e0 m\u1ee9c c\u00e1ch \u0111i\u1ec7n y\u00eau c\u1ea7u.<\/li>\n
    4. D\u1eef li\u1ec7u v\u1ec1 \u0111\u1ed9 cao l\u1eafp \u0111\u1eb7t v\u00e0 thi\u1ebft k\u1ebf m\u00f4i tr\u01b0\u1eddng.<\/li>\n
    5. Danh s\u00e1ch t\u1ea3i, c\u00e1c y\u1ebfu t\u1ed1 nhu c\u1ea7u, \u0111\u1ed9ng c\u01a1 c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn nh\u1ea5t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u1edfi \u0111\u1ed9ng.<\/li>\n
    6. L\u1ecbch tr\u00ecnh VFD v\u00e0 t\u1ea3i phi tuy\u1ebfn k\u00e8m th\u00f4ng tin v\u1ec1 s\u00f3ng h\u00e0i.<\/li>\n
    7. M\u1ee9c \u0111\u1ed9 s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng, tr\u1edf kh\u00e1ng y\u00eau c\u1ea7u v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ea7u v\u00e0o \u0111\u1ec3 ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7.<\/li>\n
    8. Ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u0111\u1ea5t, nh\u00f3m vect\u01a1 v\u00e0 t\u1ea3i trung t\u00ednh.<\/li>\n
    9. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 t\u1ed5n th\u1ea5t v\u00e0 vi\u1ec7c v\u1ed1n h\u00f3a t\u1ed5n th\u1ea5t \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m (n\u1ebfu c\u00f3).<\/li>\n
    10. Kh\u1ea3o s\u00e1t tuy\u1ebfn \u0111\u01b0\u1eddng, k\u00edch th\u01b0\u1edbc v\u1eadn chuy\u1ec3n t\u1ed1i \u0111a v\u00e0 t\u1ea3i tr\u1ecdng n\u00e2ng.<\/li>\n
    11. Ph\u1ea1m vi c\u00f4ng vi\u1ec7c c\u1ee7a FAT, l\u1ecbch tr\u00ecnh t\u00e0i li\u1ec7u, vi\u1ec7c b\u1ea3o qu\u1ea3n v\u00e0 tr\u00e1ch nhi\u1ec7m nghi\u1ec7m thu c\u00f4ng tr\u00ecnh.<\/li>\n
    12. C\u00e1c y\u00eau c\u1ea7u v\u1ec1 ph\u1ee5 t\u00f9ng thay th\u1ebf, d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng, \u0111\u00e0o t\u1ea1o v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt t\u1eeb xa.<\/li>\n<\/ol>\n

      C\u00e1c h\u01b0\u1edbng d\u1eabn li\u00ean quan v\u1ec1 khu v\u1ef1c v\u00e0 khai th\u00e1c m\u1ecf<\/h2>\n

      C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o li\u00ean quan \u0111\u1ebfn c\u00f4ng t\u00e1c l\u1eadp k\u1ebf ho\u1ea1ch bao g\u1ed3m c\u1ea9m nang h\u01b0\u1edbng d\u1eabn v\u1ec1 Mua s\u1eafm m\u00e1y bi\u1ebfn \u00e1p cho c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 h\u1ec7 th\u1ed1ng l\u01b0\u1edbi \u0111i\u1ec7n y\u1ebfu<\/a>, danh s\u00e1ch ki\u1ec3m tra cho Thay th\u1ebf m\u00e1y bi\u1ebfn \u00e1p t\u1ea1i c\u00e1c khu c\u00f4ng nghi\u1ec7p hi\u1ec7n c\u00f3<\/a>, v\u00e0 vi\u1ec7c xem x\u00e9t \u0110\u00e1nh gi\u00e1 nh\u00e0 cung c\u1ea5p cho c\u00e1c d\u1ef1 \u00e1n EPC t\u1ea1i Nam M\u1ef9<\/a>. C\u00e1c b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c quy\u1ebft \u0111\u1ecbnh li\u00ean quan nh\u01b0ng kh\u00f4ng n\u00ean thay th\u1ebf cho c\u00e1c t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

      C\u00e1c t\u00f9y ch\u1ecdn s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p m\u1ecf kh\u00e1c nhau bao g\u1ed3m: M\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n ng\u00e2m d\u1ea7u 10 MVA, 33\/11 kV<\/a>, a M\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n 35 kV ho\u1eb7c 46 kV<\/a>, v\u00e0 m\u1ed9t M\u00e1y bi\u1ebfn \u00e1p ki\u1ec3u kh\u00f4 SC(B) d\u00f9ng cho h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i trong nh\u00e0<\/a>. C\u00e1c trang n\u00e0y gi\u1edbi thi\u1ec7u c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m hi\u1ec7n c\u00f3; c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1ecf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n

      Ph\u01b0\u01a1ng ph\u00e1p l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng<\/h2>\n

      \u0110\u1ed9 tin c\u1eady L\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p cho c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf t\u1ea1i Peru<\/strong> Y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 m\u1ed1i li\u00ean h\u1ec7 \u0111\u01b0\u1ee3c ghi ch\u00e9p r\u00f5 r\u00e0ng gi\u1eefa t\u1ea3i tr\u1ecdng quy tr\u00ecnh, m\u1ea1ng \u0111i\u1ec7n 60 Hz, \u0111\u1ed9 cao, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 l\u1ed9 tr\u00ecnh v\u1eadn chuy\u1ec3n. Quy\u1ebft \u0111\u1ecbnh mua s\u1eafm c\u1ea7n d\u1ef1a tr\u00ean vi\u1ec7c so s\u00e1nh ph\u1ea1m vi k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh, ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o c\u00f4ng su\u1ea5t danh ngh\u0129a v\u00e0 th\u1eddi gian giao h\u00e0ng. H\u1ed3 s\u01a1 m\u1eddi th\u1ea7u h\u1eefu \u00edch nh\u1ea5t l\u00e0 h\u1ed3 s\u01a1 cho ph\u00e9p m\u1ecdi nh\u00e0 th\u1ea7u t\u00ednh to\u00e1n c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh gi\u1ed1ng nhau v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c giao di\u1ec7n t\u01b0\u01a1ng t\u1ef1.<\/p>\n

      Vui l\u00f2ng g\u1eedi cho Zisheng Electric s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111\u01a1n, danh s\u00e1ch t\u1ea3i, th\u00f4ng s\u1ed1 \u0111\u1ed9ng c\u01a1, b\u00e1o c\u00e1o ph\u00e2n t\u00edch s\u00f3ng h\u00e0i, \u0111\u1ed9 cao \u0111\u1ecba \u0111i\u1ec3m, l\u1ecbch tr\u00ecnh m\u00f4i tr\u01b0\u1eddng, gi\u1edbi h\u1ea1n tuy\u1ebfn \u0111\u01b0\u1eddng v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. \u0110\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u v\u00e0 tr\u1ea3 l\u1eddi c\u00e1c th\u1eafc m\u1eafc v\u1ec1 d\u1ef1 \u00e1n trong v\u00f2ng 24 gi\u1edd.<\/p>","protected":false},"excerpt":{"rendered":"

      H\u01b0\u1edbng d\u1eabn mua s\u1eafm v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y bi\u1ebfn \u00e1p cho c\u00e1c d\u1ef1 \u00e1n khai th\u00e1c m\u1ecf t\u1ea1i Peru, bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng 60 Hz, \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed9 cao l\u1edbn, kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, s\u00f3ng h\u00e0i, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 h\u1eadu c\u1ea7n t\u1ea1i v\u00f9ng n\u00fai.<\/p>","protected":false},"author":2,"featured_media":2262,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[20],"tags":[96,95,97,94,98],"class_list":["post-2335","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions","tag-60-hz-power-transformer","tag-high-altitude-transformer","tag-mining-project-procurement","tag-peru-mining-transformer","tag-transformer-logistics-peru"],"acf":[],"_links":{"self":[{"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/posts\/2335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/comments?post=2335"}],"version-history":[{"count":1,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/posts\/2335\/revisions"}],"predecessor-version":[{"id":2336,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/posts\/2335\/revisions\/2336"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/media\/2262"}],"wp:attachment":[{"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/media?parent=2335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/categories?post=2335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zishengtransformer.com\/vi\/wp-json\/wp\/v2\/tags?post=2335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}