{"id":3387,"date":"2024-12-12T21:55:00","date_gmt":"2024-12-12T13:55:00","guid":{"rendered":"https:\/\/www.xminsulation.com\/?p=3387"},"modified":"2024-12-13T09:24:54","modified_gmt":"2024-12-13T01:24:54","slug":"introduction-to-the-parallel-arc-extinguishing-scheme-of-sf6-free-vacuum-load-break-switches-in-mvring-main-unit","status":"publish","type":"post","link":"https:\/\/www.xminsulation.com\/vi\/introduction-to-the-parallel-arc-extinguishing-scheme-of-sf6-free-vacuum-load-break-switches-in-mvring-main-unit\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 s\u01a1 \u0111\u1ed3 d\u1eadp h\u1ed3 quang song song c\u1ee7a c\u00f4ng t\u1eafc ng\u1eaft t\u1ea3i ch\u00e2n kh\u00f4ng kh\u00f4ng c\u00f3 SF6 trong \u0111\u01a1n v\u1ecb ch\u00ednh MVRing"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3387\" class=\"elementor elementor-3387\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-31bf9b5 e-flex e-con-boxed e-con e-parent\" data-id=\"31bf9b5\" data-element_type=\"container\">\r\n\t\t\t\t\t<div class=\"e-con-inner\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-df52bce elementor-widget elementor-widget-text-editor\" data-id=\"df52bce\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.21.0 - 25-04-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>2024-12-12<\/p>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t<div class=\"elementor-element elementor-element-758f523 e-flex e-con-boxed e-con e-parent\" data-id=\"758f523\" data-element_type=\"container\">\r\n\t\t\t\t\t<div class=\"e-con-inner\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-526ac92 elementor-widget elementor-widget-text-editor\" data-id=\"526ac92\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t<p>Khi m\u1ea1ch \u0111i\u1ec7n cao th\u1ebf b\u1ecb ng\u1eaft, \u0111i\u1ec7n \u00e1p s\u1ebd ph\u00e1 v\u1ee1 kh\u00f4ng kh\u00ed \u0111\u1ec3 t\u1ea1o ra c\u00e1c lo\u1ea1i kh\u00ed kh\u00f4ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao, xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng tia l\u1eeda nhi\u1ec7t \u0111\u1ed9 cao t\u1ee9c th\u1eddi, \u0111\u00f3 l\u00e0 h\u1ed3 quang.<\/p><p>Thi\u1ec7t h\u1ea1i do h\u1ed3 quang r\u1ea5t cao: h\u1ed3 quang s\u1ebd t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 cao, l\u00e0m ch\u00e1y b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 \u0111\u1ed1t ch\u00e1y v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. Hai ti\u1ebfp \u0111i\u1ec3m ban \u0111\u1ea7u b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i t\u1ea1o th\u00e0nh d\u00f2ng \u0111i\u1ec7n do s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a h\u1ed3 quang, l\u00e0m k\u00e9o d\u00e0i th\u1eddi gian \u0111\u1ec3 c\u00f4ng t\u1eafc ng\u1eaft m\u1ea1ch v\u00e0 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam thi\u1ec7t h\u1ea1i do l\u1ed7i ng\u1eafn m\u1ea1ch trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. H\u1ed3 quang c\u00f3 th\u1ec3 g\u00e2y ra h\u1ecfa ho\u1ea1n ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 n\u1ed5.<\/p><p>Do \u0111\u00f3, d\u1eadp h\u1ed3 quang \u0111\u00e3 tr\u1edf th\u00e0nh m\u1eaft x\u00edch quan tr\u1ecdng trong thi\u1ebft b\u1ecb \u0111i\u1ec7n cao th\u1ebf. L\u1ea5y b\u1ed9 ph\u1eadn ch\u00ednh v\u00f2ng l\u00e0m v\u00ed d\u1ee5. N\u00f3 c\u1ea7n ho\u00e0n th\u00e0nh vi\u1ec7c chuy\u1ec3n m\u1ea1ch m\u1ea1ch \u0111i\u1ec7n cao th\u1ebf v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nh\u1eefng khu v\u1ef1c \u0111\u00f4ng d\u00e2n c\u01b0 nh\u01b0 s\u00e2n bay v\u00e0 khu d\u00e2n c\u01b0. Ph\u1ea3i \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p><p>\u0110\u1ec3 lo\u1ea1i b\u1ecf h\u1ed3 quang, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c \u00fd t\u01b0\u1edfng sau:<\/p><ol><li><strong><b> Th\u1ea3 c\u00e1i <\/b><\/strong><strong><b>V<\/b><\/strong><strong><b>tu\u1ed5i gi\u00e0.<\/b><\/strong><\/li><\/ol><p>N\u00f3i v\u1ec1 vi\u1ec7c gi\u1ea3m \u0111i\u1ec7n \u00e1p, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi hy v\u1ecdng c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp gi\u1ea3m \u0111i\u1ec7n \u00e1p trong m\u1ea1ch, nh\u01b0ng \u0111i\u1ec1u n\u00e0y r\u00f5 r\u00e0ng l\u00e0 kh\u00f4ng th\u1ec3. R\u1ed1t cu\u1ed9c, nh\u1eefng g\u00ec thi\u1ebft b\u1ecb c\u1ea7n l\u00e0m l\u00e0 ho\u00e0n th\u00e0nh vi\u1ec7c ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ch trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u00e1p cao. N\u00f3 kh\u00f4ng th\u1ec3 lu\u00f4n thay \u0111\u1ed5i truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u00e1p cao th\u00e0nh truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u00e1p th\u1ea5p. \u0110i\u1ec7n \u00e1p r\u01a1i \u1edf \u0111\u00e2y l\u00e0 \u0111i\u1ec7n \u00e1p t\u1ea1i th\u1eddi \u0111i\u1ec3m ti\u1ebfp \u0111i\u1ec3m r\u01a1i b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i! Ch\u00fang ta bi\u1ebft r\u1eb1ng U = IR, khi ti\u1ebfp \u0111i\u1ec3m b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, R s\u1ebd t\u0103ng ngay l\u1eadp t\u1ee9c. N\u1ebfu ch\u00fang ta mu\u1ed1n gi\u1ea3m thi\u1ec3u U, ch\u00fang ta ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua ti\u1ebfp \u0111i\u1ec3m l\u00e0 nh\u1ecf nh\u1ea5t t\u1ea1i th\u1eddi \u0111i\u1ec3m ti\u1ebfp \u0111i\u1ec3m b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i. Ngo\u00e0i ra, l\u01b0u \u00fd r\u1eb1ng trong m\u1ea1ch AC, c\u00e1c \u0111i\u1ec3m giao nhau b\u1eb1ng kh\u00f4ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i t\u1ea3i.<\/p><p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec7n \u00e1p t\u1ea1i ti\u1ebfp \u0111i\u1ec3m khi ti\u1ebfp \u0111i\u1ec3m m\u1edf, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00e0nh \u0111\u1ed9ng x\u1ea3y ra khi d\u00f2ng \u0111i\u1ec7n v\u01b0\u1ee3t qua 0. V\u00ec v\u1eady, l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 I ch\u00ednh x\u00e1c b\u1eb1ng 0, U = IR = 0, do \u0111\u00f3 s\u1ebd kh\u00f4ng x\u1ea3y ra h\u1ed3 quang. Nh\u01b0ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 tr\u01b0\u1eddng h\u1ee3p. \u00dd t\u01b0\u1edfng n\u00e0y r\u1ea5t kh\u00f3. Kh\u00f3 kh\u0103n l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac c\u01a1 h\u1ecdc ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c tr\u00ean d\u00f2ng \u0111i\u1ec7n 50Hz. So v\u1edbi nh\u1eefng thay \u0111\u1ed5i nhanh ch\u00f3ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n (50Hz), c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u01a1 h\u1ecdc di chuy\u1ec3n qu\u00e1 ch\u1eadm. Quan tr\u1ecdng h\u01a1n, ch\u00eanh l\u1ec7ch th\u1eddi gian gi\u1eefa hai h\u00e0nh \u0111\u1ed9ng c\u0169ng kh\u00e1c nhau! L\u1ea7n n\u00e0y b\u1ea1n k\u00edch ho\u1ea1t n\u00f3, n\u00f3 ng\u1eaft k\u1ebft n\u1ed1i sau 15ms v\u00e0 l\u1ea7n ti\u1ebfp theo b\u1ea1n k\u00edch ho\u1ea1t n\u00f3, n\u00f3 ng\u1eaft k\u1ebft n\u1ed1i sau 22ms. Ph\u1ea1m vi dao \u0111\u1ed9ng n\u00e0y r\u1ea5t quan tr\u1ecdng d\u01b0\u1edbi d\u00f2ng \u0111i\u1ec7n 50Hz.<\/p><ol start=\"2\"><li><strong><b> Kh\u00f4ng kh\u00ed <\/b><\/strong><strong><b>B<\/b><\/strong><strong><b>k\u00eau l\u00ean <\/b><\/strong><strong><b>E<\/b><\/strong><strong><b>xtinguish c\u00e1c <\/b><\/strong><strong><b>M\u1ed8T<\/b><\/strong><strong><b>rc.<\/b><\/strong><\/li><\/ol><p>Sau khi h\u1ed3 quang \u0111\u01b0\u1ee3c t\u1ea1o ra, h\u1ed3 quang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u1eadp t\u1eaft b\u1eb1ng c\u00e1ch th\u1ed5i kh\u00ed, \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec ch\u00fang ta th\u01b0\u1eddng g\u1ecdi l\u00e0 th\u1ed5i h\u1ed3 quang. Th\u1ed5i h\u1ed3 quang s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00ed \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o h\u1ed3 quang, c\u00f3 th\u1ec3 l\u00e0m m\u00e1t h\u1ed3 quang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, t\u0103ng \u00e1p su\u1ea5t trong v\u00f9ng h\u1ed3 quang v\u00e0 l\u1ea5y \u0111i kh\u00ed t\u1ef1 do c\u00f2n s\u00f3t l\u1ea1i, do \u0111\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t d\u1eadp h\u1ed3 quang t\u1ed1t. Ph\u01b0\u01a1ng ph\u00e1p th\u1ed5i h\u1ed3 quang c\u00f3 th\u1ec3 l\u00e0 th\u1ed5i ngang ho\u1eb7c th\u1ed5i d\u1ecdc.<\/p><p>H\u01a1n n\u1eefa, m\u1ed9t s\u1ed1 l\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o xung quanh ph\u1ea7n h\u1ed3 quang \u0111\u01b0\u1ee3c t\u1ea1o ra, \u0111\u1ec3 h\u1ed3 quang c\u00f3 th\u1ec3 b\u1ecb c\u1eaft. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1eadp t\u1eaft h\u1ed3 quang nhanh ch\u00f3ng.<\/p><p>T\u1ea5t nhi\u00ean, d\u1eadp t\u1eaft h\u1ed3 quang kh\u00f4ng ph\u1ea3i l\u00e0 t\u00ecm ng\u01b0\u1eddi th\u1ed5i v\u00e0o. Lu\u1ed3ng kh\u00ed sinh ra do t\u00e1c \u0111\u1ed9ng ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ho\u00e0n th\u00e0nh thao t\u00e1c th\u1ed5i h\u1ed3 quang.<\/p><p>Trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, h\u1ea7u h\u1ebft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ed5i h\u1ed3 quang \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. X\u00e9t cho c\u00f9ng, chi ph\u00ed th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng cao. V\u00ed d\u1ee5, c\u00e1c bu\u1ed3ng d\u1eadp h\u1ed3 quang kh\u00e1c nhau s\u1ebd c\u00f3 c\u01a1 ch\u1ebf th\u1ed5i h\u1ed3 quang v\u00e0 l\u01b0\u1edbi.<\/p><ol start=\"3\"><li><strong><b> Thay th\u1ebf <\/b><\/strong><strong><b>T\u00f4i<\/b><\/strong><strong><b>\u1ea5n ph\u1ea9m.<\/b><\/strong><\/li><\/ol><p>N\u1ebfu ch\u00fang ta thay th\u1ebf m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh ch\u1ea5t c\u00e1ch \u0111i\u1ec7n t\u1ed1t h\u01a1n v\u00e0 ng\u1eaft m\u1ea1ch trong m\u00f4i tr\u01b0\u1eddng n\u00e0y, h\u1ed3 quang c\u00f3 th\u1ec3 gi\u1ea3m. \u0110i\u1ec1u d\u1ec5 ngh\u0129 nh\u1ea5t l\u00e0 ch\u00e2n kh\u00f4ng. Hi\u1ec7u \u1ee9ng d\u1eadp h\u1ed3 quang c\u1ee7a m\u00e1y ng\u1eaft ch\u00e2n kh\u00f4ng r\u1ea5t t\u1ed1t, nh\u01b0ng chi ph\u00ed ch\u00e2n kh\u00f4ng cao v\u00e0 tu\u1ed5i th\u1ecd ng\u1eafn.<\/p><p>M\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 l\u01b0u hu\u1ef3nh hexafluoride SF6. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p c\u00e1ch \u0111\u00e2y 100 n\u0103m b\u1edfi hai nh\u00e0 h\u00f3a h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p, Moissan v\u00e0 Lebeau.<\/p><p>L\u01b0u hu\u1ef3nh hexafluoride c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p><p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t cao c\u00f3 th\u1ec3 nhanh ch\u00f3ng d\u1eabn nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ed3 quang \u0111i. N\u00f3 kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng \u0111\u1ed9c h\u1ea1i, c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng d\u1ec5 x\u1ea3y ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. Do \u0111\u00f3, l\u01b0u hu\u1ef3nh hexafluoride \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh \u0111i\u1ec7n nh\u01b0 m\u1ed9t ch\u1ea5t c\u00e1ch \u0111i\u1ec7n v\u00e0 m\u00f4i tr\u01b0\u1eddng ng\u1eaft m\u1ea1ch cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n trung v\u00e0 cao th\u1ebf. Tuy nhi\u00ean, l\u01b0u hu\u1ef3nh hexafluoride l\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed nh\u00e0 k\u00ednh v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng l\u00e0m n\u00f3ng to\u00e0n c\u1ea7u (GWP) l\u00e0 23.500, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 1 kg l\u01b0u hu\u1ef3nh hexafluoride c\u00f3 t\u00e1c \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 23.500 kg carbon dioxide. \u0110i\u1ec1u n\u00e0y r\u1ea5t nghi\u00eam tr\u1ecdng.<\/p><p>C\u00f3 gi\u1ea3i ph\u00e1p n\u00e0o an to\u00e0n, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i kh\u00f4ng?<\/p><ol start=\"4\"><li><strong><b> Song song <\/b><\/strong><strong><b>V<\/b><\/strong><strong><b>acuum <\/b><\/strong><strong><b>T\u00d4I<\/b><\/strong><strong><b>ng\u1eaft (SVI) <\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>gi\u1ea3i ph\u00e1p.<\/b><\/strong><\/li><\/ol><p>\u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p an to\u00e0n h\u01a1n v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n, \u0111\u01b0\u1ee3c Schneider Electric \u0111\u1ec1 xu\u1ea5t l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u0111\u01a1n v\u1ecb m\u1ea1ch v\u00f2ng. Gi\u1ea3i ph\u00e1p ng\u1eaft ch\u00e2n kh\u00f4ng song song bao g\u1ed3m m\u1ed9t bu\u1ed3ng d\u1eadp h\u1ed3 quang ch\u00e2n kh\u00f4ng v\u00e0 m\u1ed9t c\u00f4ng t\u1eafc c\u00e1ch ly trong kh\u00f4ng kh\u00ed, th\u1ef1c hi\u1ec7n thao t\u00e1c c\u00f4ng t\u1eafc ba tr\u1ea1m th\u00f4ng th\u01b0\u1eddng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 ph\u1eadn \u00edt v\u00e0 chi ph\u00ed th\u1ea5p.<\/p><p>Ch\u00fang ta h\u00e3y l\u1ea5y gi\u1ea3i ph\u00e1p c\u1ee7a Schneider Electric l\u00e0m v\u00ed d\u1ee5 \u0111\u1ec3 gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd SVI.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3389 size-full aligncenter\" src=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724717.png\" alt=\"\" width=\"606\" height=\"399\" srcset=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724717.png 606w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724717-300x198.png 300w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724717-18x12.png 18w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724717-600x395.png 600w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p><p>Khi c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed9ng, d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb c\u00e1c ti\u1ebfp \u0111i\u1ec3m t\u0129nh \u0111\u1ebfn b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng. V\u00e0 c\u1ea7n l\u01b0u \u00fd r\u1eb1ng t\u1ea1i th\u1eddi \u0111i\u1ec3m ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng v\u00e0 ti\u1ebfp \u0111i\u1ec3m t\u0129nh t\u00e1ch ra, v\u00ec c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u00f3 c\u00f9ng \u0111i\u1ec7n th\u1ebf n\u00ean s\u1ebd kh\u00f4ng x\u1ea3y ra h\u1ed3 quang.<\/p><p><img decoding=\"async\" class=\"wp-image-3390 size-full aligncenter\" src=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724718.png\" alt=\"\" width=\"381\" height=\"596\" srcset=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724718.png 381w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724718-192x300.png 192w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724718-8x12.png 8w\" sizes=\"(max-width: 381px) 100vw, 381px\" \/><\/p><p>D\u00f2ng \u0111i\u1ec7n sau \u0111\u00f3 \u0111i qua b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng \u1edf v\u1ecb tr\u00ed \u0111\u00f3ng. Ti\u1ebfp theo, \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi ti\u1ebfp \u0111i\u1ec3m di \u0111\u1ed9ng, thanh tr\u1ee5c quay v\u00e0 \u0111i\u1ec1u khi\u1ec3n b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng m\u1edf v\u00e0 \u0111\u00f3ng.<\/p><p><img decoding=\"async\" class=\"wp-image-3391 size-full aligncenter\" src=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724719.png\" alt=\"\" width=\"434\" height=\"807\" srcset=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724719.png 434w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724719-161x300.png 161w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724719-6x12.png 6w\" sizes=\"(max-width: 434px) 100vw, 434px\" \/><\/p><p>Khi ng\u1eaft d\u00f2ng \u0111i\u1ec7n ho\u00e0n t\u1ea5t, ti\u1ebfp \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed9ng nh\u1ea3 thanh tr\u1ee5c v\u00e0 ti\u1ebfp t\u1ee5c quay \u0111\u1ebfn v\u1ecb tr\u00ed c\u00f4 l\u1eadp. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u00f2 xo \u0111\u1ec7m, thanh tr\u1ee5c tr\u1edf v\u1ec1 v\u1ecb tr\u00ed ban \u0111\u1ea7u, do \u0111\u00f3 \u0111\u00f3ng b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng.<\/p><p>Gi\u1ea3i ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m k\u00edch th\u01b0\u1edbc v\u00e0 chi ph\u00ed c\u1ee7a b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng. V\u00ec b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng trong giai \u0111o\u1ea1n ng\u1eaft, n\u00ean n\u00f3 s\u1ebd ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p ph\u1ee5c h\u1ed3i t\u1ea1m th\u1eddi trong qu\u00e1 tr\u00ecnh ng\u1eaft, nh\u01b0ng n\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00f3ng ng\u1eafn m\u1ea1ch, kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng \u0111i\u1ec7n ng\u1eafn h\u1ea1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c. Trong giai \u0111o\u1ea1n \u0111\u00f3ng, d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111i qua b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng. H\u01a1n n\u1eefa, trong giai \u0111o\u1ea1n ng\u1eaft, th\u1eddi gian \u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua b\u1ed9 ng\u1eaft ch\u00e2n kh\u00f4ng ch\u1ec9 l\u00e0 v\u00e0i milim\u00e9t.<\/p><p>\u1ede tr\u1ea1ng th\u00e1i c\u00f4 l\u1eadp, c\u00e1c ti\u1ebfp \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed9ng v\u00e0 c\u00e1c ti\u1ebfp \u0111i\u1ec3m t\u0129nh \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp trong kh\u00f4ng kh\u00ed kh\u00f4.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3392 size-full aligncenter\" src=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724720.png\" alt=\"\" width=\"512\" height=\"514\" srcset=\"https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724720.png 512w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724720-300x300.png 300w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724720-150x150.png 150w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724720-12x12.png 12w, https:\/\/www.xminsulation.com\/wp-content\/uploads\/2024\/12\/\u56fe\u724720-100x100.png 100w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/p><p>Khi l\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f4 l\u1eadp, kh\u00f4ng kh\u00ed kh\u00f4 c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m sau:<\/p><p>Kh\u00f4ng \u0111\u1ed9c h\u1ea1i v\u00e0 an to\u00e0n cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh. B\u1ea1n c\u00f3 th\u1ec3 y\u00ean t\u00e2m r\u1eb1ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t g\u1ea7n n\u01a1i c\u00f4ng c\u1ed9ng m\u00e0 kh\u00f4ng lo r\u00f2 r\u1ec9 kh\u00ed \u0111\u1ed9c.<\/p><p>Kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m, thay th\u1ebf l\u01b0u hu\u1ef3nh hexafluoride v\u00e0 tr\u00e1nh hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh.<\/p><p>D\u1ec5 s\u1eed d\u1ee5ng. Khi thi\u1ebft b\u1ecb b\u1ecb lo\u1ea1i b\u1ecf, kh\u00ed kh\u00f4ng c\u1ea7n ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh thu h\u1ed3i ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng tr\u1ef1c ti\u1ebfp.<\/p><p>C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u1eaft ch\u00e2n kh\u00f4ng song song c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng thay th\u1ebf dung d\u1ecbch l\u01b0u hu\u1ef3nh hexafluoride.<\/p><p>H\u01a1n n\u1eefa, ch\u00fang t\u00f4i th\u1ea5y r\u1eb1ng to\u00e0n b\u1ed9 quy tr\u00ecnh \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh theo c\u00f9ng m\u1ed9t c\u00e1ch nh\u01b0 c\u00f4ng t\u1eafc l\u01b0u hu\u1ef3nh hexafluoride ba v\u1ecb tr\u00ed hi\u1ec7n \u0111ang s\u1eed d\u1ee5ng: m\u1ed9t thao t\u00e1c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ng\u1eaft\/c\u00e1ch ly v\u00e0 thao t\u00e1c th\u1ee9 hai \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t. Ngay c\u1ea3 gi\u1ea3i ph\u00e1p b\u1ed9 ph\u1eadn ch\u00ednh v\u00f2ng c\u1ee7a Schneider Electric c\u0169ng c\u00f3 c\u00f9ng di\u1ec7n t\u00edch v\u1edbi c\u00f4ng t\u1eafc l\u01b0u hu\u1ef3nh hexafluoride v\u00e0 th\u1eadm ch\u00ed chi\u1ec1u cao c\u1ee7a thanh \u0111\u1ed3ng thanh c\u00e1i v\u00e0 m\u1ed1i n\u1ed1i c\u00e1p v\u1eabn kh\u00f4ng thay \u0111\u1ed5i. N\u00f3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i v\u00e0 s\u01a1 \u0111\u1ed3 l\u01b0u hu\u1ef3nh hexafluoride ban \u0111\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t s\u01a1 \u0111\u1ed3 m\u1edbi. V\u00ec v\u1eady, \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n v\u00e0 an to\u00e0n h\u01a1n.<\/p>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>2024-12-12 Khi m\u1ea1ch \u0111i\u1ec7n cao th\u1ebf b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, \u0111i\u1ec7n \u00e1p s\u1ebd ph\u00e1 v\u1ee1 kh\u00f4ng kh\u00ed \u0111\u1ec3 t\u1ea1o ra c\u00e1c kh\u00ed kh\u00f4ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao, xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng tia l\u1eeda nhi\u1ec7t \u0111\u1ed9 cao t\u1ee9c th\u1eddi, \u0111\u00f3 l\u00e0 h\u1ed3 quang. Thi\u1ec7t h\u1ea1i c\u1ee7a h\u1ed3 quang r\u1ea5t cao: h\u1ed3 quang s\u1ebd t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 cao, s\u1ebd l\u00e0m ch\u00e1y b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 \u0111\u1ed1t ch\u00e1y [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[58],"tags":[],"class_list":["post-3387","post","type-post","status-publish","format-standard","hentry","category-insights"],"_links":{"self":[{"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/posts\/3387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/comments?post=3387"}],"version-history":[{"count":7,"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/posts\/3387\/revisions"}],"predecessor-version":[{"id":3435,"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/posts\/3387\/revisions\/3435"}],"wp:attachment":[{"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/media?parent=3387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/categories?post=3387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xminsulation.com\/vi\/wp-json\/wp\/v2\/tags?post=3387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}