{"id":6532,"date":"2026-07-23T17:54:49","date_gmt":"2026-07-23T09:54:49","guid":{"rendered":"https:\/\/kvhipot.com\/?p=6532"},"modified":"2026-08-06T21:09:12","modified_gmt":"2026-08-06T13:09:12","slug":"phuong-phap-tung-buoc-de-thuc-hien-an-toan-thu-nghiem-cong-huong-tan-so-xoay-chieu-tren-cap-xlpe","status":"publish","type":"post","link":"https:\/\/kvhipot.com\/vi\/step-by-step-methodology-how-to-safely-perform-an-ac-resonance-test-on-xlpe-cables\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p t\u1eebng b\u01b0\u1edbc: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC tr\u00ean c\u00e1p XLPE m\u1ed9t c\u00e1ch an to\u00e0n?"},"content":{"rendered":"<p>Vi\u1ec7c ki\u1ec3m tra c\u00e1p cao \u00e1p kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd l\u00e0m h\u1ecfng c\u00e1c thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n v\u00e0 g\u00e2y nguy hi\u1ec3m \u0111\u1ebfn t\u00ednh m\u1ea1ng. C\u00e1c thi\u1ebft l\u1eadp kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 ch\u1eadm tr\u1ec5 nghi\u00eam tr\u1ecdng trong d\u1ef1 \u00e1n. Tu\u00e2n th\u1ee7 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nghi\u00eam ng\u1eb7t s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9i ng\u0169 c\u1ee7a b\u1ea1n ho\u00e0n th\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 nhanh ch\u00f3ng. B\u1ea1n th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC b\u1eb1ng c\u00e1ch n\u1ed1i c\u00e1c cu\u1ed9n c\u1ea3m n\u1ed1i ti\u1ebfp v\u1edbi c\u00e1p XLPE. B\u1ea1n qu\u00e9t t\u1ea7n s\u1ed1 \u0111\u1ec3 t\u00ecm \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng. Sau \u0111\u00f3, b\u1ea1n t\u0103ng \u0111i\u1ec7n \u00e1p t\u1eeb t\u1eeb l\u00ean m\u1ee9c m\u1ee5c ti\u00eau. Quy tr\u00ecnh n\u00e0y gi\u00fap x\u00e1c minh \u0111\u1ed9 b\u1ec1n c\u00e1ch \u0111i\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n an to\u00e0n v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd. Nhi\u1ec1u \u0111\u1ed9i ki\u1ec3m tra g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c thi\u1ebft l\u1eadp t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p b\u1ea5t ng\u1edd. T\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eebng b\u01b0\u1edbc c\u1ee5 th\u1ec3 \u0111\u1ec3 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch b\u1ea3o v\u1ec7 \u0111\u1ed9i ng\u0169 c\u1ee7a m\u00ecnh v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u ch\u00ednh x\u00e1c t\u1ea1i m\u1ecdi c\u00f4ng tr\u01b0\u1eddng.<\/p><h2 class=\"wp-block-heading\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC t\u1ea7n s\u1ed1 bi\u1ebfn \u0111\u1ed5i?<\/strong><strong><\/strong><\/h2><p>Vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean s\u1ebd d\u1eabn \u0111\u1ebfn l\u1ed7i th\u1eed nghi\u1ec7m v\u00e0 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb. M\u1ed9t thi\u1ebft l\u1eadp sai s\u1ebd l\u00e3ng ph\u00ed h\u00e0ng gi\u1edd l\u00e0m vi\u1ec7c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 khi\u1ebfn kh\u00e1ch h\u00e0ng th\u1ea5t v\u1ecdng. K\u1ebft n\u1ed1i v\u1eadt l\u00fd ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru ngay t\u1eeb \u0111\u1ea7u. B\u1ea1n thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i bi\u1ebfn \u00e1p k\u00edch th\u00edch, ngu\u1ed3n \u0111i\u1ec7n t\u1ea7n s\u1ed1 bi\u1ebfn \u0111\u1ed5i v\u00e0 c\u00e1c cu\u1ed9n c\u1ea3m cao \u00e1p. B\u1ea1n ph\u1ea3i n\u1ed1i c\u00e1c cu\u1ed9n c\u1ea3m theo chu\u1ed7i ho\u1eb7c song song t\u00f9y thu\u1ed9c v\u00e0o chi\u1ec1u d\u00e0i c\u00e1p. Cu\u1ed1i c\u00f9ng, b\u1ea1n k\u1ebft n\u1ed1i b\u1ed9 chia \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n dung \u0111\u1ec3 \u0111o gi\u00e1 tr\u1ecb \u0111\u1ea7u ra.<\/p><h3 class=\"wp-block-heading\"><strong>C\u00e1c b\u01b0\u1edbc thi\u1ebft l\u1eadp c\u1ea7n thi\u1ebft \u0111\u1ec3 ki\u1ec3m tra c\u00e1p<\/strong><strong><\/strong><\/h3><p>Vi\u1ec7c thi\u1ebft l\u1eadp \u0111\u00fang c\u00e1ch b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c ki\u1ec3m tra t\u1eebng th\u00e0nh ph\u1ea7n. T\u00f4i lu\u00f4n ki\u1ec3m tra t\u00ecnh tr\u1ea1ng v\u1eadt l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC tr\u01b0\u1edbc ti\u00ean. B\u1ea1n ph\u1ea3i \u0111\u1eb7t c\u00e1c cu\u1ed9n c\u1ea3m l\u00ean m\u1ed9t b\u1ec1 m\u1eb7t \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4 r\u00e1o. B\u1ee5i b\u1ea9n v\u00e0 \u0111\u1ed9 \u1ea9m t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n. Nh\u1eefng \u0111\u01b0\u1eddng d\u1eabn n\u00e0y d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. Ti\u1ebfp theo, b\u1ea1n k\u1ebft n\u1ed1i c\u00e1c d\u00e2y n\u1ed1i \u0111\u1ea5t. B\u1ea1n ph\u1ea3i n\u1ed1i \u0111\u1ea5t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, m\u00e1y bi\u1ebfn \u00e1p k\u00edch th\u00edch v\u00e0 b\u1ed9 chia \u0111i\u1ec7n \u00e1p v\u00e0o m\u1ed9t \u0111i\u1ec3m n\u1ed1i \u0111\u1ea5t duy nh\u1ea5t. Vi\u1ec7c n\u1ed1i \u0111\u1ea5t t\u1ea1i m\u1ed9t \u0111i\u1ec3m duy nh\u1ea5t n\u00e0y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u00f2ng l\u1eb7p \u0111i\u1ec7n \u00e1p nguy hi\u1ec3m. Sau khi n\u1ed1i \u0111\u1ea5t, b\u1ea1n k\u1ebft n\u1ed1i d\u00e2y cao \u00e1p t\u1eeb cu\u1ed9n c\u1ea3m v\u1edbi \u0111\u1ea7u n\u1ed1i c\u00e1p XLPE. T\u00f4i lu\u00f4n nh\u1eafc nh\u1edf c\u00e1c nh\u00e0 th\u1ea7u ki\u1ec3m tra l\u1edbp l\u00e1 ch\u1eafn c\u1ee7a c\u00e1p. B\u1ea1n ph\u1ea3i n\u1ed1i \u0111\u1ea5t l\u1edbp l\u00e1 ch\u1eafn kim lo\u1ea1i c\u1ee7a c\u00e1p XLPE m\u1ed9t c\u00e1ch \u0111\u00fang c\u00e1ch. N\u1ebfu \u0111\u1ec3 l\u1edbp l\u00e1 ch\u1eafn kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t, th\u1eed nghi\u1ec7m s\u1ebd th\u1ea5t b\u1ea1i. \u0110i\u1ec7n dung c\u1ee7a c\u00e1p \u0111\u00f2i h\u1ecfi m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn tr\u1edf v\u1ec1 ch\u1eafc ch\u1eafn. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 tr\u00ecnh t\u1ef1 k\u1ebft n\u1ed1i nghi\u00eam ng\u1eb7t, b\u1ea1n s\u1ebd b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng s\u1eb5n s\u00e0ng cho giai \u0111o\u1ea1n \u0111i\u1ec1u ch\u1ec9nh.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Th\u00e0nh ph\u1ea7n<\/strong><strong><\/strong><\/td><td><strong>\u0110i\u1ec3m k\u1ebft n\u1ed1i<\/strong><strong><\/strong><\/td><td><strong>Ch\u1ee9c n\u0103ng ch\u00ednh<\/strong><strong><\/strong><\/td><\/tr><tr><td>B\u1ed9 ngu\u1ed3n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/td><td>M\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n ch\u00ednh<\/td><td>Cung c\u1ea5p \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o<\/td><\/tr><tr><td>Bi\u1ebfn \u00e1p k\u00edch t\u1eeb<\/td><td>Ngu\u1ed3n \u0111i\u1ec7n v\u00e0 cu\u1ed9n c\u1ea3m<\/td><td>T\u0103ng \u0111i\u1ec7n \u00e1p ban \u0111\u1ea7u<\/td><\/tr><tr><td>Cu\u1ed9n c\u1ea3m cao \u00e1p<\/td><td>B\u1ed9 k\u00edch th\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m<\/td><td>Cung c\u1ea5p \u0111i\u1ec7n kh\u00e1ng c\u1ea3m \u1ee9ng<\/td><\/tr><tr><td>B\u1ed9 chia \u0111i\u1ec7n \u00e1p<\/td><td>M\u1ea1ch \u0111\u1ea7u ra v\u00e0 c\u1ef1c \u0111\u1ea5t<\/td><td>\u0110o \u0111i\u1ec7n \u00e1p th\u1ef1c t\u1ebf trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ed9ng h\u01b0\u1edfng \u0111i\u1ec7n?<\/strong><\/h2><p>Vi\u1ec7c ph\u1ecfng \u0111o\u00e1n \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cao v\u00e0 k\u00edch ho\u1ea1t c\u00e1c c\u1ea3nh b\u00e1o c\u1ee7a h\u1ec7 th\u1ed1ng. Vi\u1ec7c \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p cao m\u00e0 kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh s\u1ebd l\u00e0m h\u1ecfng \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u0103ng \u0111i\u1ec7n \u00e1p \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n. B\u1ea1n \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n qu\u00e9t \u0111i\u1ec7n \u00e1p th\u1ea5p trong kho\u1ea3ng t\u1eeb 20V \u0111\u1ebfn 50V. B\u1ea1n \u0111i\u1ec1u ch\u1ec9nh ngu\u1ed3n t\u1ea7n s\u1ed1 bi\u1ebfn thi\u00ean cho \u0111\u1ebfn khi \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ec9nh c\u1ef1c \u0111\u1ea1i tuy\u1ec7t \u0111\u1ed1i. \u0110\u1ec9nh n\u00e0y x\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ed9ng h\u01b0\u1edfng \u0111i\u1ec7n.<\/p><h3 class=\"wp-block-heading\"><strong>Th\u1ef1c hi\u1ec7n quy tr\u00ecnh qu\u00e9t t\u1ea7n s\u1ed1<\/strong><strong><\/strong><\/h3><p>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng ch\u00ednh x\u00e1c l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t. Tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p cao, vi\u1ec7c qu\u00e9t t\u1ea7n s\u1ed1 \u1edf m\u1ee9c \u0111i\u1ec7n \u00e1p th\u1ea5p l\u00e0 b\u1eaft bu\u1ed9c. T\u00f4i \u0111\u00e3 c\u00e0i \u0111\u1eb7t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 qu\u00e9t t\u1ea7n s\u1ed1 trong kho\u1ea3ng t\u1eeb 20 Hz \u0111\u1ebfn 300 Hz v\u1edbi \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra trong kho\u1ea3ng t\u1eeb 20 V \u0111\u1ebfn 50 V. Trong qu\u00e1 tr\u00ecnh qu\u00e9t n\u00e0y, t\u00f4i theo d\u00f5i ch\u1eb7t ch\u1ebd \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra. \u0110i\u1ec7n \u00e1p s\u1ebd t\u0103ng v\u00e0 gi\u1ea3m khi t\u1ea7n s\u1ed1 thay \u0111\u1ed5i. \u0110i\u1ec3m ch\u00ednh x\u00e1c m\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra \u0111\u1ea1t m\u1ee9c cao nh\u1ea5t ch\u00ednh l\u00e0 t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng. T\u1ea1i \u0111i\u1ec3m c\u1ee5 th\u1ec3 n\u00e0y, \u0111i\u1ec7n kh\u00e1ng c\u1ea3m c\u1ee7a cu\u1ed9n c\u1ea3m s\u1ebd tri\u1ec7t ti\u00eau ho\u00e0n to\u00e0n \u0111i\u1ec7n kh\u00e1ng dung c\u1ee7a c\u00e1p XLPE. M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong th\u1ef1c t\u1ebf l\u00e0 b\u1ecf qua c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh. \u0110\u1ed9 \u1ea9m cao v\u00e0 c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00e1p b\u1ea9n ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 c\u00e1c \u0111i\u1ec7n tr\u1edf. Ch\u00fang l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 khi\u1ebfn \u0111\u1ec9nh c\u1ed9ng h\u01b0\u1edfng tr\u1edf n\u00ean r\u1ea5t nh\u1ecf. T\u00f4i lu\u00f4n l\u00e0m s\u1ea1ch c\u00e1c \u0111\u1ea7u c\u00e1p tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n corona v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ec9nh c\u1ed9ng h\u01b0\u1edfng r\u00f5 n\u00e9t, s\u1eafc n\u00e9t. M\u1ed9t khi b\u1ea1n \u0111\u00e3 kh\u00f3a t\u1ea7n s\u1ed1 n\u00e0y, h\u1ec7 th\u1ed1ng ch\u1ec9 c\u1ea7n r\u1ea5t \u00edt c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111i\u1ec7n \u00e1p th\u1eed nghi\u1ec7m r\u1ea5t l\u1edbn.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u0110i\u1ec1u ki\u1ec7n qu\u00e9t<\/strong><strong><\/strong><\/td><td><strong>\u0110\u1eb7c t\u00ednh \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra<\/strong><strong><\/strong><\/td><td><strong>C\u1ea7n th\u1ef1c hi\u1ec7n<\/strong><strong><\/strong><\/td><\/tr><tr><td>D\u01b0\u1edbi \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng<\/td><td>D\u1ea7n d\u1ea7n t\u0103ng l\u00ean<\/td><td>Ti\u1ebfp t\u1ee5c t\u0103ng t\u1ea7n su\u1ea5t<\/td><\/tr><tr><td>\u0110i\u1ec3m c\u1ed9ng h\u01b0\u1edfng ch\u00ednh x\u00e1c<\/td><td>\u0110\u1ea1t m\u1ee9c \u0111\u1ec9nh t\u1ed1i \u0111a<\/td><td>Kh\u00f3a c\u00e0i \u0111\u1eb7t t\u1ea7n s\u1ed1<\/td><\/tr><tr><td>Tr\u00ean \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng<\/td><td>D\u1ea7n d\u1ea7n gi\u1ea3m xu\u1ed1ng<\/td><td>Gi\u1ea3m t\u1ea7n s\u1ed1 tr\u1edf l\u1ea1i m\u1ee9c \u0111\u1ec9nh<\/td><\/tr><tr><td>Nh\u1eefng v\u1ee5 sa th\u1ea3i b\u1ea9n th\u1ec9u<\/td><td>\u0110\u1ec9nh r\u1ea5t th\u1ea5p<\/td><td>D\u1eebng l\u1ea1i v\u00e0 l\u00e0m s\u1ea1ch c\u00e1c \u0111\u1ea7u c\u00e1p<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><strong>C\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n khi th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u1edbi d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u cao \u00e1p l\u00e0 g\u00ec?<\/strong><\/h2><p>Vi\u1ec7c ph\u1edbt l\u1edd c\u00e1c quy tr\u00ecnh an to\u00e0n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m \u0111i\u1ec7n \u00e1p cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ch\u1ea5n th\u01b0\u01a1ng nghi\u00eam tr\u1ecdng v\u00e0 tai n\u1ea1n ch\u1ebft ng\u01b0\u1eddi. Hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t s\u1ebd khi\u1ebfn d\u00f2ng \u0111i\u1ec7n nguy hi\u1ec3m lan truy\u1ec1n kh\u1eafp khu v\u1ef1c th\u1eed nghi\u1ec7m. Tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy t\u1eafc an to\u00e0n s\u1ebd b\u1ea3o v\u1ec7 t\u00ednh m\u1ea1ng con ng\u01b0\u1eddi v\u00e0 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng th\u1ea3m kh\u1ed1c cho thi\u1ebft b\u1ecb. B\u1ea1n ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t khu v\u1ef1c an to\u00e0n r\u00f5 r\u00e0ng k\u00e8m theo c\u00e1c bi\u1ec3n c\u1ea3nh b\u00e1o tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m. B\u1ea1n ph\u1ea3i n\u1ed1i \u0111\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch ch\u1eafc ch\u1eafn. B\u1ea1n c\u0169ng ph\u1ea3i t\u0103ng \u0111i\u1ec7n \u00e1p m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb v\u00e0 t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 theo d\u00f5i c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p \u0111\u1ed9t ng\u1ed9t, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y kh\u1ea3 n\u0103ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n trong c\u00e1p.<\/p><h3 class=\"wp-block-heading\"><strong>Th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/strong><strong><\/strong><\/h3><p>An to\u00e0n l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u khi v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC. Vi\u1ec7c th\u1eed nghi\u1ec7m cao \u00e1p \u0111\u1ed1i v\u1edbi c\u00e1p XLPE li\u00ean quan \u0111\u1ebfn l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef kh\u1ed5ng l\u1ed3. T\u00f4i lu\u00f4n b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c thi\u1ebft l\u1eadp khu v\u1ef1c an to\u00e0n. B\u1ea1n ph\u1ea3i s\u1eed d\u1ee5ng b\u0103ng c\u1ea3nh b\u00e1o v\u00e0 bi\u1ec3n b\u00e1o \u0111\u1ec3 ng\u0103n ng\u01b0\u1eddi kh\u00f4ng c\u00f3 th\u1ea9m quy\u1ec1n ti\u1ebfp c\u1eadn. N\u1ed1i \u0111\u1ea5t l\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba tai n\u1ea1n hi\u1ec7u qu\u1ea3 nh\u1ea5t. M\u1ecdi b\u1ed9 ph\u1eadn kim lo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi m\u1ed9t \u0111i\u1ec3m n\u1ed1i \u0111\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng. N\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1, \u0111\u01b0\u1eddng d\u1eabn n\u1ed1i \u0111\u1ea5t s\u1ebd d\u1eabn d\u00f2ng \u0111i\u1ec7n ra kh\u1ecfi ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ed9t c\u00e1ch an to\u00e0n. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, b\u1ea1n ph\u1ea3i t\u0103ng \u0111i\u1ec7n \u00e1p m\u1ed9t c\u00e1ch r\u1ea5t t\u1eeb t\u1eeb. Kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c t\u0103ng \u0111i\u1ec7n \u00e1p \u0111\u1ed9t ng\u1ed9t. T\u00f4i lu\u00f4n theo d\u00f5i \u0111\u1ed3ng h\u1ed3 \u0111o \u0111i\u1ec7n \u00e1p li\u00ean t\u1ee5c. S\u1ef1 s\u1ee5t gi\u1ea3m \u0111\u1ed9t ng\u1ed9t c\u1ee7a \u0111i\u1ec7n \u00e1p c\u1ed9ng h\u01b0\u1edfng l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o nghi\u00eam tr\u1ecdng. S\u1ef1 s\u1ee5t gi\u1ea3m n\u00e0y th\u01b0\u1eddng b\u00e1o tr\u01b0\u1edbc hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n qua khe h\u1edf s\u1eafp x\u1ea3y ra t\u1ea1i m\u1ed1i n\u1ed1i c\u00e1p. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y s\u1ef1 s\u1ee5t gi\u1ea3m n\u00e0y, b\u1ea1n ph\u1ea3i gi\u1ea3m \u0111i\u1ec7n \u00e1p ngay l\u1eadp t\u1ee9c. Vi\u1ec7c quan s\u00e1t c\u1ea9n th\u1eadn gi\u00fap ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 nguy hi\u1ec3m v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho to\u00e0n b\u1ed9 \u0111\u1ed9i ng\u0169 th\u1eed nghi\u1ec7m.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>B\u01b0\u1edbc an to\u00e0n<\/strong><strong><\/strong><\/td><td><strong>M\u1ee5c \u0111\u00edch<\/strong><strong><\/strong><\/td><td><strong>H\u1eadu qu\u1ea3 c\u1ee7a vi\u1ec7c ph\u1edbt l\u1edd<\/strong><strong><\/strong><\/td><\/tr><tr><td>L\u1eafp \u0111\u1eb7t bi\u1ec3n c\u1ea3nh b\u00e1o<\/td><td>Ng\u0103n ch\u1eb7n nh\u00e2n vi\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p v\u00e0o<\/td><td>B\u1ecb \u0111i\u1ec7n gi\u1eadt do tai n\u1ea1n<\/td><\/tr><tr><td>N\u1ed1i \u0111\u1ea5t m\u1ed9t \u0111i\u1ec3m<\/td><td>\u0110\u1ea3m b\u1ea3o \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 an to\u00e0n<\/td><td>Thi\u1ec7t h\u1ea1i v\u1ec1 thi\u1ebft b\u1ecb v\u00e0 th\u01b0\u01a1ng t\u00edch<\/td><\/tr><tr><td>L\u00e0m s\u1ea1ch c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00e1p<\/td><td>Ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n corona<\/td><td>K\u1ebft qu\u1ea3 \u0111o sai v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n qua khe h\u1edf<\/td><\/tr><tr><td>T\u0103ng \u0111i\u1ec7n \u00e1p t\u1eeb t\u1eeb<\/td><td>Cho ph\u00e9p ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 s\u1edbm<\/td><td>Hi\u1ec7n t\u01b0\u1ee3ng b\u00f9ng ch\u00e1y \u0111\u1ed9t ng\u1ed9t<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><strong>Theo ti\u00eau chu\u1ea9n IEC, th\u1eddi gian th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m ch\u1ecbu \u0111i\u1ec7n \u00e1p \u0111\u1ed1i v\u1edbi m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed n\u00ean k\u00e9o d\u00e0i bao l\u00e2u?<\/strong><strong><\/strong><\/h2><p>Vi\u1ec7c d\u1eebng th\u1eed nghi\u1ec7m qu\u00e1 s\u1edbm s\u1ebd khi\u1ebfn c\u00e1c khuy\u1ebft t\u1eadt \u1ea9n trong l\u1edbp c\u00e1ch \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, vi\u1ec7c th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m qu\u00e1 l\u00e2u s\u1ebd g\u00e2y h\u01b0 h\u1ecfng kh\u00f4ng c\u1ea7n thi\u1ebft cho c\u00e1c d\u00e2y c\u00e1p v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n. Tu\u00e2n th\u1ee7 th\u1eddi gian th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n s\u1ebd \u0111\u1ea3m b\u1ea3o b\u1ea1n ki\u1ec3m tra \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1p m\u00e0 kh\u00f4ng g\u00e2y ra h\u01b0 h\u1ecfng v\u0129nh vi\u1ec5n. Theo c\u00e1c ti\u00eau chu\u1ea9n IEC 60840 v\u00e0 IEC 62067, th\u1eed nghi\u1ec7m ch\u1ecbu \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u (AC) \u0111\u1ed1i v\u1edbi c\u00e1p XLPE cao \u00e1p ph\u1ea3i k\u00e9o d\u00e0i ch\u00ednh x\u00e1c 60 ph\u00fat. B\u1ea1n ph\u1ea3i duy tr\u00ec \u0111i\u1ec7n \u00e1p m\u1ee5c ti\u00eau \u1ed5n \u0111\u1ecbnh trong su\u1ed1t m\u1ed9t gi\u1edd n\u00e0y \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111\u1ed9 tin c\u1eady c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/p><h3 class=\"wp-block-heading\"><strong>Th\u1eddi l\u01b0\u1ee3ng v\u00e0 quy tr\u00ecnh ki\u1ec3m tra ti\u00eau chu\u1ea9n<\/strong><strong><\/strong><\/h3><p>C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf quy \u0111\u1ecbnh th\u1eddi gian ch\u00ednh x\u00e1c \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1p cao \u00e1p. T\u00f4i lu\u00f4n tu\u00e2n th\u1ee7 c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a IEC \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m. \u0110\u1ed1i v\u1edbi c\u00e1p XLPE cao \u00e1p, ti\u00eau chu\u1ea9n IEC 60840 y\u00eau c\u1ea7u th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 60 ph\u00fat. Khi \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec7n \u00e1p m\u1ee5c ti\u00eau, b\u1ea1n b\u1eaft \u0111\u1ea7u b\u1ea5m \u0111\u1ed3ng h\u1ed3 b\u1ea5m gi\u1edd. H\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC ph\u1ea3i duy tr\u00ec \u0111i\u1ec7n \u00e1p n\u00e0y ho\u00e0n to\u00e0n \u1ed5n \u0111\u1ecbnh trong su\u1ed1t m\u1ed9t gi\u1edd. Trong kho\u1ea3ng th\u1eddi gian n\u00e0y, l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p ph\u1ea3i ch\u1ecbu \u00e1p l\u1ef1c \u0111i\u1ec7n li\u00ean t\u1ee5c. \u00c1p l\u1ef1c n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 khuy\u1ebft t\u1eadt s\u1ea3n xu\u1ea5t, l\u1ed7i l\u1eafp \u0111\u1eb7t ho\u1eb7c \u0111i\u1ec3m y\u1ebfu t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i n\u00e0o. N\u1ebfu c\u00e1p ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p trong 60 ph\u00fat m\u00e0 kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n ho\u1eb7c s\u1ee5t \u00e1p \u0111\u1ed9t ng\u1ed9t, th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c coi l\u00e0 th\u00e0nh c\u00f4ng. C\u00e1p an to\u00e0n \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n. N\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1 tr\u01b0\u1edbc khi h\u1ebft 60 ph\u00fat, c\u00e1p b\u1ecb coi l\u00e0 kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u. B\u1ea1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1ed7i v\u00e0 s\u1eeda ch\u1eefa. Vi\u1ec7c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t quy t\u1eafc 60 ph\u00fat gi\u00fap kh\u00e1ch h\u00e0ng ho\u00e0n to\u00e0n tin t\u01b0\u1edfng v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n c\u1ee7a h\u1ecd.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Lo\u1ea1i c\u00e1p<\/strong><strong><\/strong><\/td><td><strong>Ti\u00eau chu\u1ea9n IEC \u00e1p d\u1ee5ng<\/strong><strong><\/strong><\/td><td><strong>Th\u1eddi l\u01b0\u1ee3ng b\u00e0i ki\u1ec3m tra<\/strong><strong><\/strong><\/td><td><strong>M\u1ee9c \u0111i\u1ec7n \u00e1p m\u1ee5c ti\u00eau<\/strong><strong><\/strong><\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p trung th\u1ebf (t\u1ed1i \u0111a 30 kV)<\/td><td>IEC 60502<\/td><td>15 ph\u00fat<\/td><td>T\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c x\u1ebfp h\u1ea1ng<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p cao (30 kV \u2013 150 kV)<\/td><td>IEC 60840<\/td><td>60 ph\u00fat<\/td><td>\u0110\u01b0\u1ee3c quy \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p c\u1ef1c cao (&gt;150 kV)<\/td><td>IEC 62067<\/td><td>60 ph\u00fat<\/td><td>\u0110\u01b0\u1ee3c quy \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n<\/td><\/tr><\/tbody><\/table><\/figure><h1 class=\"wp-block-heading\"><strong>K\u1ebft lu\u1eadn<\/strong><strong><\/strong><\/h1><p>Vi\u1ec7c th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng AC tr\u00ean c\u00e1p XLPE \u0111\u00f2i h\u1ecfi s\u1ef1 l\u1eadp k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn v\u00e0 th\u1ef1c hi\u1ec7n nghi\u00eam ng\u1eb7t. S\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a th\u1eed nghi\u1ec7m cao \u00e1p ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c thi\u1ebft l\u1eadp \u0111\u00fang c\u00e1ch v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ph\u01b0\u01a1ng ph\u00e1p t\u1eebng b\u01b0\u1edbc, b\u1ea1n s\u1ebd \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho \u0111\u1ed9i ng\u0169 t\u1ea1i c\u00f4ng tr\u01b0\u1eddng. B\u1ea1n ph\u1ea3i lu\u00f4n b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c k\u1ebft n\u1ed1i v\u1eadt l\u00fd \u0111\u00fang c\u00e1ch v\u00e0 \u0111\u1ea3m b\u1ea3o n\u1ed1i \u0111\u1ea5t t\u1ea1i m\u1ed9t \u0111i\u1ec3m duy nh\u1ea5t. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 b\u1eb1ng c\u00e1ch qu\u00e9t \u0111i\u1ec7n \u00e1p th\u1ea5p l\u00e0 b\u1eaft bu\u1ed9c. Qu\u00e1 tr\u00ecnh qu\u00e9t n\u00e0y gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111i\u1ec3m c\u1ed9ng h\u01b0\u1edfng m\u00e0 kh\u00f4ng g\u00e2y qu\u00e1 t\u1ea3i cho ngu\u1ed3n \u0111i\u1ec7n. Lu\u00f4n nh\u1edb l\u00e0m s\u1ea1ch c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00e1p \u0111\u1ec3 duy tr\u00ec h\u1ec7 s\u1ed1 Q cao v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n corona. <\/p><p>An to\u00e0n v\u1eabn l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong quy tr\u00ecnh th\u1eed nghi\u1ec7m. Vi\u1ec7c t\u0103ng \u0111i\u1ec7n \u00e1p m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb gi\u00fap b\u1ea1n theo d\u00f5i c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p \u0111\u1ed9t ng\u1ed9t v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n nguy hi\u1ec3m. Cu\u1ed1i c\u00f9ng, vi\u1ec7c tu\u00e2n th\u1ee7 th\u1eddi gian th\u1eed nghi\u1ec7m 60 ph\u00fat theo y\u00eau c\u1ea7u c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n IEC s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u00e1p.<\/p><p>T\u1ea1i C\u00f4ng ty TNHH KV Hipot Power Equipment, ch\u00fang t\u00f4i thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng d\u00f2ng xoay chi\u1ec1u nh\u1eb1m gi\u00fap quy tr\u00ecnh n\u00e0y tr\u1edf n\u00ean tr\u1ef1c quan v\u00e0 an to\u00e0n. Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb truy\u1ec1n t\u1ea3i \u0111i\u1ec7n c\u1ee7a qu\u00fd kh\u00e1ch ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o v\u00e0 c\u00e1c d\u1ef1 \u00e1n c\u1ee7a qu\u00fd kh\u00e1ch \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh \u0111\u00fang ti\u1ebfn \u0111\u1ed9.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m c\u1ed9ng h\u01b0\u1edfng d\u00f2ng xoay chi\u1ec1u tr\u00ean c\u00e1p XLPE \u0111\u00f2i h\u1ecfi s\u1ef1 l\u1eadp k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn v\u00e0 th\u1ef1c hi\u1ec7n nghi\u00eam ng\u1eb7t. S\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m cao \u00e1p ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c thi\u1ebft l\u1eadp \u0111\u00fang c\u00e1ch v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c. <\/p>","protected":false},"author":1,"featured_media":5046,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[35],"tags":[],"_links":{"self":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts\/6532"}],"collection":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/comments?post=6532"}],"version-history":[{"count":3,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts\/6532\/revisions"}],"predecessor-version":[{"id":6553,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/posts\/6532\/revisions\/6553"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/media\/5046"}],"wp:attachment":[{"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/media?parent=6532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/categories?post=6532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kvhipot.com\/vi\/wp-json\/wp\/v2\/tags?post=6532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}