{"id":185,"date":"2025-08-18T03:06:37","date_gmt":"2025-08-18T03:06:37","guid":{"rendered":"https:\/\/cable-specialist.com\/vn\/?p=185"},"modified":"2025-08-18T03:29:25","modified_gmt":"2025-08-18T03:29:25","slug":"water-treeing-in-cables-why-it-occurs-and-how-to-prevent-it","status":"publish","type":"post","link":"https:\/\/www.cable-specialist.com\/vn\/vi\/2025\/08\/18\/water-treeing-in-cables-why-it-occurs-and-how-to-prevent-it\/","title":{"rendered":"Hi\u1ec7n T\u01b0\u1ee3ng \u201cWater Treeing\u201d Trong C\u00e1p: Nguy\u00ean Nh\u00e2n V\u00e0 C\u00e1ch Ph\u00f2ng Ng\u1eeba"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"185\" class=\"elementor elementor-185\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e62b69e e-flex e-con-boxed e-con e-parent\" data-id=\"e62b69e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2bd98c9 elementor-widget elementor-widget-text-editor\" data-id=\"2bd98c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\" translation-block\">Kh\u00f4ng c\u00f3 lo\u1ea1i c\u00e1p n\u00e0o b\u1ec1n v\u0129nh vi\u1ec5n, v\u00ec v\u1eady h\u01b0 h\u1ecfng v\u00e0 s\u1ef1 c\u1ed1 s\u1ebd x\u1ea3y ra ngay c\u1ea3 v\u1edbi nh\u1eefng thi\u1ebft k\u1ebf c\u00e1p ch\u1eafc ch\u1eafn nh\u1ea5t m\u00e0 b\u1ea5t k\u1ef3 <a title=\"Cable Supplier, Cable Supplier In Singapore\" href=\"https:\/\/cablesource.com.sg\/\" rel=\"\" target=\"_self\">nh\u00e0 cung c\u1ea5p c\u00e1p uy t\u00edn t\u1ea1i Singapore<\/a> n\u00e0o cung c\u1ea5p. M\u1ed9t trong nh\u1eefng v\u00ed d\u1ee5 n\u1ed5i ti\u1ebfng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng water treeing, \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c v\u1ebft n\u1ee9t d\u1ea1ng nh\u00e1nh trong l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p cao \u00e1p. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 nguy\u00ean nh\u00e2n g\u00e2y ra lo\u1ea1i h\u01b0 h\u1ecfng n\u00e0y, c\u00e1ch n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1 h\u1ee7y c\u00e1ch \u0111i\u1ec7n v\u00e0 c\u00e1c tai n\u1ea1n nghi\u00eam tr\u1ecdng, c\u0169ng nh\u01b0 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 ng\u0103n ch\u1eb7n ngay t\u1eeb \u0111\u1ea7u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ff81094 e-flex e-con-boxed e-con e-parent\" data-id=\"ff81094\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ebf1c6 elementor-widget elementor-widget-heading\" data-id=\"1ebf1c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hi\u1ec3u V\u1ec1 Hi\u1ec7n T\u01b0\u1ee3ng Water Treeing Trong C\u00e1p \u0110i\u1ec7n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae7e944 elementor-widget elementor-widget-text-editor\" data-id=\"ae7e944\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Water Treeing l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh suy gi\u1ea3m x\u1ea3y ra trong l\u1edbp c\u00e1ch \u0111i\u1ec7n polyethylene g\u1eafn ch\u00e9o (XLPE), m\u1ed9t v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t r\u1eafn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1p \u0111i\u1ec7n\u00a0<a title=\"5 Facts About Power Cables That You Should Know About\" href=\"https:\/\/cablesource.com.sg\/5-facts-about-power-cables-that-you-should-know-about\/\" rel=\"\">cao \u00e1p<\/a>. Khi c\u00e1c c\u00e1p n\u00e0y ti\u1ebfp x\u00fac \u0111\u1ed3ng th\u1eddi v\u1edbi \u0111\u1ed9 \u1ea9m v\u00e0 tr\u01b0\u1eddng \u0111i\u1ec7n xoay chi\u1ec1u (AC), c\u00e1c v\u1ebft n\u1ee9t si\u00eau nh\u1ecf c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e2n nh\u00e1nh theo h\u00ecnh d\u1ea1ng gi\u1ed1ng c\u00e2y, do \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cwater treeing\u201d. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0m suy y\u1ebfu t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n theo th\u1eddi gian v\u00e0 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 \u0111i\u1ec7n nghi\u00eam tr\u1ecdng.<\/p><p>C\u00f3 hai lo\u1ea1i ch\u00ednh c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng treeing trong l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u00e1p: water trees v\u00e0 electrical trees. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u g\u00e2y ra v\u1ebft n\u1ee9t d\u1ea1ng nh\u00e1nh (dendritic), ngu\u1ed3n g\u1ed1c c\u1ee7a ch\u00fang kh\u00e1c nhau. Water treeing xu\u1ea5t ph\u00e1t t\u1eeb \u0111\u1ed9 \u1ea9m \u1edf nh\u1eefng khu v\u1ef1c c\u00e1p ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u01b0\u1edbi \u0111\u1ea5t ho\u1eb7c d\u01b0\u1edbi n\u01b0\u1edbc. Ng\u01b0\u1ee3c l\u1ea1i, electrical trees th\u01b0\u1eddng ph\u00e1t tri\u1ec3n do tr\u01b0\u1eddng \u0111i\u1ec7n c\u1ee5c b\u1ed9 cao v\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 \u1ea9m.<\/p><p>Water trees bao g\u1ed3m c\u00e1c gi\u1ecdt n\u01b0\u1edbc si\u00eau nh\u1ecf, th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc 0,1 \u0111\u1ebfn 1 micromet, l\u00e0m t\u0103ng \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n b\u00ean trong v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n cao n\u00e0y l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n, v\u00e0 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd, s\u1ebd d\u1eabn \u0111\u1ebfn ph\u00e1 h\u1ee7y c\u00e1ch \u0111i\u1ec7n. C\u00e1c c\u00e1p cao \u00e1p ho\u1ea1t \u0111\u1ed9ng \u1edf 6 kV tr\u1edf l\u00ean \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng. N\u1ebfu water treeing d\u1eabn \u0111\u1ebfn ph\u00e1 h\u1ee7y c\u00e1ch \u0111i\u1ec7n, c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 n\u1ed1i \u0111\u1ea5t \u0111i\u1ec7n \u00e1p cao, d\u1eabn \u0111\u1ebfn m\u1ea5t \u0111i\u1ec7n tr\u00ean to\u00e0n b\u1ed9 c\u01a1 s\u1edf ho\u1eb7c th\u1eadm ch\u00ed l\u01b0\u1edbi \u0111i\u1ec7n l\u1edbn h\u01a1n.<\/p><p>T\u00e1c \u0111\u1ed9ng c\u1ee7a nh\u1eefng s\u1ef1 c\u1ed1 n\u00e0y l\u00e0 r\u1ea5t nghi\u00eam tr\u1ecdng. Ngo\u00e0i m\u1ea5t \u0111i\u1ec7n, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y thi\u1ec7t h\u1ea1i thi\u1ebft b\u1ecb t\u1ed1n k\u00e9m, gi\u00e1n \u0111o\u1ea1n v\u1eadn h\u00e0nh, v\u00e0 th\u1eadm ch\u00ed d\u1eabn \u0111\u1ebfn tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd n\u1ebfu khu v\u1ef1c xung quanh b\u1ecb \u1ea3nh h\u01b0\u1edfng. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro, vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm d\u1ea5u hi\u1ec7u water treeing v\u00e0 b\u1ea3o to\u00e0n \u0111\u1ed9 tin c\u1eady c\u0169ng nh\u01b0 an to\u00e0n c\u1ee7a c\u00e1p \u0111i\u1ec7n cao \u00e1p.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c31683 e-flex e-con-boxed e-con e-parent\" data-id=\"1c31683\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e9103a elementor-widget elementor-widget-heading\" data-id=\"0e9103a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">C\u00e1c Lo\u1ea1i Water Treeing Trong C\u00e1p \u0110i\u1ec7n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3fab825 elementor-widget elementor-widget-text-editor\" data-id=\"3fab825\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Water treeing trong c\u00e1c c\u00e1p \u0111i\u1ec7n cao \u00e1p \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh ba lo\u1ea1i d\u1ef1a tr\u00ean ngu\u1ed3n g\u1ed1c v\u00e0 h\u01b0\u1edbng ph\u00e1t tri\u1ec3n, m\u1ed7i lo\u1ea1i c\u00f3 \u1ea3nh h\u01b0\u1edfng kh\u00e1c nhau \u0111\u1ebfn l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/p><ul><li>Inside Vented Tree<\/li><\/ul><p>Lo\u1ea1i treeing n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb l\u1edbp b\u00e1n d\u1eabn b\u00ean trong gi\u1eefa d\u00e2y d\u1eabn v\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n. N\u00f3 h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c g\u1edd nh\u1ecf t\u1ea1o ra c\u00e1c v\u1ebft n\u1ee9t, v\u00e0 c\u00e1c v\u1ebft n\u1ee9t n\u00e0y lan ra b\u00ean ngo\u00e0i, d\u1ea7n d\u1ea7n l\u00e0m suy y\u1ebfu l\u1edbp c\u00e1ch \u0111i\u1ec7n t\u1eeb b\u00ean trong.<\/p><ul><li>Outside Vented Tree<\/li><\/ul><p>Lo\u1ea1i treeing n\u00e0y b\u1eaft \u0111\u1ea7u t\u1eeb l\u1edbp b\u00e1n d\u1eabn b\u00ean ngo\u00e0i, ph\u00e1t tri\u1ec3n v\u00e0o b\u00ean trong, v\u1edbi c\u00e1c v\u1ebft n\u1ee9t di chuy\u1ec3n v\u1ec1 ph\u00eda l\u00f5i c\u00e1ch \u0111i\u1ec7n, \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ea7u b\u1edfi c\u00e1c g\u1edd ho\u1eb7c nh\u00f4 ngo\u00e0i l\u1edbp ngo\u00e0i.<\/p><ul><li>Bowtie Water Tree<\/li><\/ul><p>Lo\u1ea1i treeing n\u00e0y, \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean theo h\u00ecnh d\u1ea1ng gi\u1ed1ng n\u01a1, h\u00ecnh th\u00e0nh b\u00ean trong v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n, th\u01b0\u1eddng do b\u1ecdt kh\u00ed ho\u1eb7c t\u1ea1p ch\u1ea5t. N\u00f3 lan t\u1ecfa t\u1eeb m\u1ed9t \u0111i\u1ec3m trung t\u00e2m theo nhi\u1ec1u h\u01b0\u1edbng, g\u00e2y ra t\u1ed5n h\u1ea1i ti\u1ebfn tri\u1ec3n cho l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/p><p>T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i water treeing \u0111\u1ec1u l\u00e0m suy gi\u1ea3m l\u1edbp c\u00e1ch \u0111i\u1ec7n theo th\u1eddi gian. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd, ch\u00fang c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7 nh\u1ecf, s\u1ef1 c\u1ed1 \u0111i\u1ec7n, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 h\u01b0 h\u1ecfng c\u00e1p, do t\u1ea1o ra \u0111\u01b0\u1eddng d\u1eabn d\u1eabn \u0111i\u1ec7n t\u1eeb d\u00e2y d\u1eabn \u0111\u1ebfn l\u1edbp che ch\u1eafn.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-abb92d2 e-flex e-con-boxed e-con e-parent\" data-id=\"abb92d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc9f3b1 elementor-widget elementor-widget-heading\" data-id=\"cc9f3b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Nguy\u00ean Nh\u00e2n Ch\u00ednh G\u00e2y Water Treeing Trong C\u00e1p<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2d52b0 elementor-widget elementor-widget-text-editor\" data-id=\"e2d52b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Water treeing trong c\u00e1c c\u00e1p \u0111i\u1ec7n xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u y\u1ebfu t\u1ed1 l\u00e0m gi\u00e1n \u0111o\u1ea1n t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n theo th\u1eddi gian. Qu\u00e1 tr\u00ecnh suy gi\u1ea3m n\u00e0y ch\u1ee7 y\u1ebfu do c\u00e1c khe h\u1edf, t\u00e1c \u0111\u1ed9ng th\u1ee7y-nhi\u1ec7t (hydrothermal effects), v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a tr\u01b0\u1eddng \u0111i\u1ec7n, nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f9ng nhau l\u00e0m t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh water treeing.<\/p><p><strong>1. Khe H\u1edf Trong L\u1edbp C\u00e1ch \u0110i\u1ec7n v\u00e0 C\u00e1c L\u1edbp<\/strong><\/p><p>Khe h\u1edf l\u00e0 nh\u1eefng kho\u1ea3ng tr\u1ed1ng nh\u1ecf b\u00ean trong l\u1edbp c\u00e1ch \u0111i\u1ec7n, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a b\u1ecdt kh\u00ed, t\u1ea1p ch\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, ho\u1eb7c t\u00e1c \u0111\u1ed9ng v\u1eadt l\u00fd trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/p><p><strong>T\u00e1c \u0110\u1ed9ng Th\u1ee7y-Nhi\u1ec7t<\/strong><\/p><p>Ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng d\u1eabn \u0111\u1ebfn water treeing. C\u00e1c c\u00e1p ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c b\u1ecb ng\u1eadp n\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng, v\u00ec n\u01b0\u1edbc c\u00f3 th\u1ec3 t\u1eeb t\u1eeb th\u1ea5m v\u00e0o l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/p><p><strong>3. \u1ea2nh H\u01b0\u1edfng C\u1ee7a Tr\u01b0\u1eddng \u0110i\u1ec7n<\/strong><\/p><p>Water treeing c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c tr\u01b0\u1eddng \u0111i\u1ec7n cao \u00e1p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c s\u1ef1 ki\u1ec7n \u0111i\u1ec7n b\u1ea5t th\u01b0\u1eddng nh\u01b0 t\u0103ng \u0111i\u1ec7n \u00e1p do s\u00e9t \u0111\u00e1nh ho\u1eb7c chuy\u1ec3n m\u1ea1ch m\u1ea1ch \u0111i\u1ec7n. Nh\u1eefng t\u0103ng \u0111i\u1ec7n \u00e1p c\u1ee5c b\u1ed9 n\u00e0y g\u00e2y ra ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 ho\u1eb7c hi\u1ec7u \u1ee9ng corona b\u00ean trong l\u1edbp c\u00e1ch \u0111i\u1ec7n. C\u00e1c ph\u00f3ng \u0111i\u1ec7n n\u00e0y t\u1ea1o \u00e1p l\u1ef1c b\u1ed5 sung l\u00ean nh\u1eefng khu v\u1ef1c y\u1ebfu trong l\u1edbp c\u00e1ch \u0111i\u1ec7n, t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh x\u00f3i m\u00f2n v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a water trees.<\/p><p>Theo th\u1eddi gian, khi c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau, tr\u01b0\u1eddng \u0111i\u1ec7n g\u1ea7n b\u1ea5t k\u1ef3 khe h\u1edf ho\u1eb7c t\u1ea1p ch\u1ea5t n\u00e0o s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng, l\u00e0m t\u0103ng \u00e1p l\u1ef1c l\u00ean v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra hi\u1ec7u \u1ee9ng hi\u1ec7p l\u1ef1c, khi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 \u1ea9m v\u00e0 \u00e1p l\u1ef1c \u0111i\u1ec7n khi\u1ebfn c\u00e1c water trees lan r\u1ed9ng h\u01a1n, h\u00ecnh th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac ph\u00e2n nh\u00e1nh \u0111\u1eb7c tr\u01b0ng l\u00e0m y\u1ebfu l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d96735d e-flex e-con-boxed e-con e-parent\" data-id=\"d96735d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-671accd elementor-widget elementor-widget-heading\" data-id=\"671accd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">C\u00e1c Bi\u1ec7n Ph\u00e1p Ph\u00f2ng Ng\u1eeba Water Treeing Trong C\u00e1p<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7e18e9 elementor-widget elementor-widget-text-editor\" data-id=\"f7e18e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Vi\u1ec7c ph\u00f2ng ng\u1eeba water treeing trong c\u00e1p bao g\u1ed3m gi\u1ea3m khe h\u1edf trong l\u1edbp c\u00e1ch \u0111i\u1ec7n, h\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, v\u00e0 tr\u00e1nh c\u00e1c xung \u0111i\u1ec7n cao \u00e1p. C\u00e1c b\u01b0\u1edbc ph\u00f2ng ng\u1eeba ch\u00ednh bao g\u1ed3m:<\/p><p><strong>1. S\u1eed D\u1ee5ng V\u1eadt Li\u1ec7u C\u00e1ch \u0110i\u1ec7n Ch\u1ea5t L\u01b0\u1ee3ng Cao (EE Cable)<\/strong><\/p><p>Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1p EE ch\u1ea5t l\u01b0\u1ee3ng cao, ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ef1 h\u00ecnh th\u00e0nh water tree. Nh\u1eefng c\u00e1p n\u00e0y gi\u1ea3m c\u00e1c \u0111i\u1ec3m x\u00e2m nh\u1eadp c\u1ee7a t\u1ea1p ch\u1ea5t ho\u1eb7c b\u1ecdt kh\u00ed, h\u1ea1n ch\u1ebf c\u00e1c khe nh\u1ecf n\u01a1i water trees b\u1eaft \u0111\u1ea7u v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/p><p><strong>2. H\u1ea1n Ch\u1ebf Ti\u1ebfp X\u00fac V\u1edbi \u0110\u1ed9 \u1ea8m<\/strong><\/p><p>Tr\u00e1nh ti\u1ebfp x\u00fac l\u00e2u d\u00e0i c\u1ee7a c\u00e1p v\u1edbi n\u01b0\u1edbc ho\u1eb7c \u0111\u1ed9 \u1ea9m cao. Gi\u1eef c\u00e1p lu\u00f4n kh\u00f4 gi\u00fap ng\u0103n ng\u1eeba t\u00edch t\u1ee5 \u0111\u1ed9 \u1ea9m trong c\u00e1c khe c\u00e1ch \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng cao \u00e1p v\u00e0 \u1ea9m \u01b0\u1edbt, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t tr\u00ean bi\u1ec3n (marine installations).<\/p><p><strong>3. Qu\u1ea3n L\u00fd Ng\u1eaft \u0110i\u1ec7n<\/strong><\/p><p>Gi\u1ea3m c\u00e1c l\u1ea7n ng\u1eaft \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t gi\u00fap h\u1ea1n ch\u1ebf c\u00e1c xung chuy\u1ec3n m\u1ea1ch (switching surges) g\u00e2y c\u0103ng th\u1eb3ng cho l\u1edbp c\u00e1ch \u0111i\u1ec7n. B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn c\u00e1c gi\u00e1n \u0111o\u1ea1n ngu\u1ed3n \u0111i\u1ec7n, c\u00e1c xung \u0111i\u1ec7n \u00e1p\u2014v\u00e0 do \u0111\u00f3 nguy c\u01a1 h\u00ecnh th\u00e0nh water tree\u2014\u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d356799 e-flex e-con-boxed e-con e-parent\" data-id=\"d356799\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b4e788 elementor-widget elementor-widget-heading\" data-id=\"7b4e788\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ki\u1ec3m Tra V\u00e0 Ph\u00e1t Hi\u1ec7n Water Trees\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5773cb elementor-widget elementor-widget-text-editor\" data-id=\"f5773cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm water trees, ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1 h\u1ee7y l\u1edbp c\u00e1ch \u0111i\u1ec7n. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p><ul><li>DC Leakage Method: Ph\u00e1t hi\u1ec7n c\u00e1c b\u1ea5t th\u01b0\u1eddng trong d\u00f2ng r\u00f2 DC, ch\u1ec9 ra nh\u1eefng \u0111i\u1ec3m c\u00e1ch \u0111i\u1ec7n y\u1ebfu do water trees g\u00e2y ra.<\/li><li>AC Superimposition Method: S\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00e1t hi\u1ec7n bi\u1ebfn \u0111\u1ed9ng t\u00edn hi\u1ec7u t\u1ea1i c\u00e1c khu v\u1ef1c b\u1ecb \u1ea3nh h\u01b0\u1edfng, cho ph\u00e9p ph\u00e1t hi\u1ec7n th\u1eddi gian th\u1ef1c c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u1ec1 c\u00e1ch \u0111i\u1ec7n.<\/li><\/ul><p>Vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c c\u00e1p cao \u00e1p. Nh\u1eefng bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba n\u00e0y gi\u00fap c\u00e1c \u0111\u01a1n v\u1ecb \u0111i\u1ec7n l\u1ef1c qu\u1ea3n l\u00fd r\u1ee7i ro water treeing v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady c\u1ee7a c\u00e1p.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-44c12bf e-flex e-con-boxed e-con e-parent\" data-id=\"44c12bf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f304c4 elementor-widget elementor-widget-heading\" data-id=\"2f304c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">K\u1ebft Lu\u1eadn<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66c0621 elementor-widget elementor-widget-text-editor\" data-id=\"66c0621\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Water treeing trong c\u00e1p, t\u1eebng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng lo ng\u1ea1i v\u1ec1 \u0111\u1ed9 tin c\u1eady, nay \u0111\u00e3 tr\u1edf n\u00ean d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n nhi\u1ec1u nh\u1edd ti\u1ebfn b\u1ed9 trong s\u1ea3n xu\u1ea5t c\u00e1p v\u00e0 v\u1eadt li\u1ec7u. C\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 co-extrusion, t\u1ea1o ra l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00e0 l\u1edbp b\u00e1n d\u1eabn \u0111\u1ed3ng th\u1eddi, \u0111\u00e3 gi\u1ea3m thi\u1ec3u c\u00e1c kho\u1ea3ng tr\u1ed1ng, t\u1ea1o ra c\u1ea5u tr\u00fac c\u00e1p b\u1ec1n v\u1eefng h\u01a1n. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a polyethylene g\u1eafn ch\u00e9o ch\u1ed1ng tree (TR-XLPE) c\u0169ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u00e1p, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng cao \u00e1p v\u00e0 ph\u00e2n ph\u1ed1i ng\u1ea7m. Nh\u1edd nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y, c\u00e1c c\u00e1p m\u1edbi hi\u1ec7n nay cung c\u1ea5p \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady cao h\u01a1n, \u0111\u1ea3m b\u1ea3o r\u1eb1ng water treeing kh\u00f4ng c\u00f2n l\u00e0 m\u1ed1i \u0111e d\u1ecda l\u1edbn \u0111\u1ed1i v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n \u0111\u1ea1i.<\/p><p class=\" translation-block\">\u0110\u1ec3 s\u1edf h\u1eefu c\u00e1c lo\u1ea1i c\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao m\u1edbi nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, h\u00e3y li\u00ean h\u1ec7 v\u1edbi Cable Source ngay h\u00f4m nay. L\u00e0 m\u1ed9t trong nh\u1eefng nh\u00e0 cung c\u1ea5p c\u00e1p uy t\u00edn nh\u1ea5t t\u1ea1i Singapore, ch\u00fang t\u00f4i t\u1ef1 h\u00e0o v\u1ec1 ngu\u1ed3n cung, ph\u1ea1m vi v\u00e0 chuy\u00ean m\u00f4n m\u00e0 ch\u1ec9 m\u1ed9t v\u00e0i nh\u00e0 cung c\u1ea5p kh\u00e1c c\u00f3 th\u1ec3 s\u00e1nh k\u1ecbp. Kh\u00e1m ph\u00e1 <a title=\"Instrumentation Cable Catalogue\" href=\"https:\/\/cablesource.com.sg\/products\/instrumentation-cables\/\" rel=\"\" target=\"_self\">danh m\u1ee5c c\u00e1p \u0111o l\u01b0\u1eddng phong ph\u00fa c\u1ee7a ch\u00fang t\u00f4i<\/a>, ho\u1eb7c trao \u0111\u1ed5i v\u1edbi c\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n, v\u00e0 ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o cung c\u1ea5p ch\u00ednh x\u00e1c nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>No cable is made to last forever, which is why damage and failure will inevitably affect even the most rugged of cable designs that any cable supplier in Singapore has to offer. One of the most well-known examples of these is the water treeing phenomenon, which is characterised by the occurrence of dendritic cracks in the insulation of high-voltage cabling. Below, we take a closer look at what causes this type of damage, how it can lead to insulation breakdown and major accidents, and the countermeasures to prevent it in the first place.<\/p>","protected":false},"author":1,"featured_media":189,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,26],"tags":[],"class_list":["post-185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all","category-cable"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Water Treeing in Cables: Why It Occurs and How to Prevent It - Cable Specialist Vietnam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cable-specialist.com\/vn\/vi\/2025\/08\/18\/water-treeing-in-cables-why-it-occurs-and-how-to-prevent-it\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Water Treeing in Cables: Why It Occurs and How to Prevent It - Cable Specialist Vietnam\" \/>\n<meta property=\"og:description\" content=\"No cable is made to last forever, which is why damage and failure will inevitably affect even the most rugged of cable designs that any cable supplier in Singapore has to offer. One of the most well-known examples of these is the water treeing phenomenon, which is characterised by the occurrence of dendritic cracks in the insulation of high-voltage cabling. 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