{"id":15367,"date":"2026-01-03T21:13:04","date_gmt":"2026-01-03T13:13:04","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&#038;p=15367"},"modified":"2026-01-06T11:00:48","modified_gmt":"2026-01-06T03:00:48","slug":"chuanbodianqianquanzhinanruhezhengquecaozuobianxieshiyugudingshijiedeshebei","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/chuanbodianqianquanzhinanruhezhengquecaozuobianxieshiyugudingshijiedeshebei","title":{"rendered":"H\u01b0\u1edbng d\u1eabn an to\u00e0n \u0111i\u1ec7n tr\u00ean t\u00e0u: C\u00e1ch v\u1eadn h\u00e0nh \u0111\u00fang c\u00e1c thi\u1ebft b\u1ecb n\u1ed1i \u0111\u1ea5t di \u0111\u1ed9ng v\u00e0 c\u1ed1 \u0111\u1ecbnh"},"content":{"rendered":"<h1 data-path-to-node=\"2\">H\u01b0\u1edbng d\u1eabn an to\u00e0n \u0111i\u1ec7n tr\u00ean t\u00e0u: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u1eadn h\u00e0nh \u0111\u00fang c\u00e1ch c\u00e1c thi\u1ebft b\u1ecb n\u1ed1i \u0111\u1ea5t di \u0111\u1ed9ng v\u00e0 c\u1ed1 \u0111\u1ecbnh?<\/h1>\n<p data-path-to-node=\"3\">Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a t\u00e0u th\u1ee7y,<b data-path-to-node=\"3\" data-index-in-node=\"9\">N\u1ed1i \u0111\u1ea5t (Grounding) v\u00e0 n\u1ed1i v\u1edbi d\u00e2y trung t\u00ednh (Connecting to neutral) kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i \u0111\u1ec3 ph\u00f2ng ng\u1eeba tai n\u1ea1n \u0111i\u1ec7n gi\u1eadt, m\u00e0 c\u00f2n l\u00e0 n\u1ed9i dung \u0111\u00e1nh gi\u00e1 th\u1ef1c h\u00e0nh \u0111\u1ed1i v\u1edbi nh\u00e2n vi\u00ean \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n (ETO) tr\u00ean t\u00e0u bi\u1ec3n<\/b>C\u00e1c n\u1ed9i dung b\u1eaft bu\u1ed9c ph\u1ea3i \u00f4n t\u1eadp.<\/p>\n<p data-path-to-node=\"4\">D\u00f9 l\u00e0 trong c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec h\u00e0ng ng\u00e0y hay khi \u0111\u00e1nh gi\u00e1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u00e0 m\u00e1y \u0111i\u1ec7n tr\u00ean t\u00e0u, vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c quy t\u1eafc s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch thi\u1ebft b\u1ecb n\u1ed1i \u0111\u1ea5t l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch s\u00e2u v\u1ec1 c\u00e1c \u201cnguy\u00ean t\u1eafc\u201d v\u00e0 \u201cnh\u1eefng \u0111i\u1ec1u c\u1ea7n tr\u00e1nh\u201d trong c\u00e1c thao t\u00e1c n\u1ed1i \u0111\u1ea5t.<\/p>\n<h2 data-path-to-node=\"5\">I. Nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec7n n\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t ho\u1eb7c n\u1ed1i trung t\u00ednh?<\/h2>\n<p data-path-to-node=\"6\">Theo c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u1ec1 an to\u00e0n \u0111i\u1ec7n tr\u00ean t\u00e0u, nh\u1eb1m ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng v\u1ecf t\u00e0u b\u1ecb nhi\u1ec5m \u0111i\u1ec7n do h\u01b0 h\u1ecfng l\u1edbp c\u00e1ch \u0111i\u1ec7n, c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i sau \u0111\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i kim lo\u1ea1i m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady:<\/p>\n<ol start=\"1\" data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">Thi\u1ebft b\u1ecb \u0111\u1ed9ng l\u1ef1c:<\/b> \u0110\u1ebf v\u00e0 v\u1ecf c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, m\u00e1y bi\u1ebfn \u00e1p v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n cao \u00e1p.<b data-path-to-node=\"7,0,0\" data-index-in-node=\"26\">L\u01b0u \u00fd:<\/b> D\u00e2y n\u1ed1i \u0111\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh v\u00e0o v\u00edt n\u1ed1i \u0111\u1ea5t chuy\u00ean d\u1ee5ng, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u0111\u1ebf.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">Lo\u1ea1i \u0111i\u1ec1u khi\u1ec3n ph\u00e2n ph\u1ed1i \u0111i\u1ec7n:<\/b> Khung kim lo\u1ea1i c\u1ee7a t\u1ee7 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u00e0n \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\"><b data-path-to-node=\"7,2,0\" data-index-in-node=\"0\">H\u1ec7 th\u1ed1ng c\u00e1p:<\/b> L\u1edbp v\u1ecf kim lo\u1ea1i c\u1ee7a c\u00e1p b\u1ecdc gi\u00e1p, v\u1ecf h\u1ed9p n\u1ed1i d\u00e2y v\u00e0 \u1ed1ng th\u00e9p d\u1eabn d\u00e2y.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,3,0\"><b data-path-to-node=\"7,3,0\" data-index-in-node=\"0\">H\u1ec7 th\u1ed1ng \u0111\u1eb7c bi\u1ec7t:<\/b> Cu\u1ed9n d\u00e2y th\u1ee9 c\u1ea5p c\u1ee7a bi\u1ebfn \u00e1p, t\u1ee7 \u0111i\u1ec3m trung t\u00ednh c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, v\u1ecf kim lo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb s\u01b0\u1edfi \u0111i\u1ec7n, v.v.<\/p>\n<\/li>\n<\/ol>\n<blockquote data-path-to-node=\"8\">\n<p data-path-to-node=\"8,0\"><b data-path-to-node=\"8,0\" data-index-in-node=\"0\">M\u1eb9o th\u1ef1c h\u00e0nh ETO: Nguy\u00ean t\u1eafc l\u1ef1a ch\u1ecdn di\u1ec7n t\u00edch m\u1eb7t c\u1eaft c\u1ee7a d\u00e2y n\u1ed1i \u0111\u1ea5t cho \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/b><\/p>\n<ul data-path-to-node=\"8,1\">\n<li>\n<p data-path-to-node=\"8,1,0,0\">D\u00e2y pha <span class=\"math-inline\" data-math=\"S \\le 25\\text{mm}^2\" data-index-in-node=\"3\">$S \\le 25\\text{mm}^2$<\/span>: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft c\u1ee7a d\u00e2y n\u1ed1i \u0111\u1ea5t b\u1eb1ng di\u1ec7n t\u00edch m\u1eb7t c\u1eaft c\u1ee7a d\u00e2y pha.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,1,1,0\">D\u00e2y pha <span class=\"math-inline\" data-math=\"25 &lt; S \\le 50\\text{mm}^2\" data-index-in-node=\"3\">$25 &lt; S \u2264 50\\text{mm}^2$<\/span>: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang c\u1ee7a d\u00e2y n\u1ed1i \u0111\u1ea5t l\u00e0 <span class=\"math-inline\" data-math=\"25\\text{mm}^2\" data-index-in-node=\"36\">$25\\text{mm}^2$<\/span>\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,1,2,0\">D\u00e2y pha <span class=\"math-inline\" data-math=\"S &gt; 50\\text{mm}^2\" data-index-in-node=\"3\">$S &gt; 50\\text{mm}^2$<\/span>: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang c\u1ee7a d\u00e2y n\u1ed1i \u0111\u1ea5t b\u1eb1ng di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang c\u1ee7a d\u00e2y pha <span class=\"math-inline\" data-math=\"50\\%\" data-index-in-node=\"32\">$50\\%$<\/span>\u3002<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<hr data-path-to-node=\"9\" \/>\n<h2 data-path-to-node=\"10\">II. Danh s\u00e1ch c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c mi\u1ec5n tr\u1eeb: Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0o c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n n\u1ed1i \u0111\u1ea5t?<\/h2>\n<p data-path-to-node=\"11\">Trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3, nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a h\u1ec7 th\u1ed1ng ho\u1eb7c do y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng c\u00e1ch \u0111i\u1ec7n, m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n n\u1ed1i \u0111\u1ea5t:<\/p>\n<ul data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\"><b data-path-to-node=\"12,0,0\" data-index-in-node=\"0\">Thi\u1ebft b\u1ecb \u00e1p su\u1ea5t th\u1ea5p trong m\u00f4i tr\u01b0\u1eddng kh\u00f4:<\/b> Trao \u0111\u1ed5i <span class=\"math-inline\" data-math=\"100\\text{V}\" data-index-in-node=\"13\">$100\\text{V}$<\/span> \/ D\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u <span class=\"math-inline\" data-math=\"110\\text{V}\" data-index-in-node=\"30\">$110\\text{V}$<\/span> V\u1ecf c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb sau \u0111\u00e2y.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\"><b data-path-to-node=\"12,1,0\" data-index-in-node=\"0\">Kh\u1ea3 n\u0103ng che ch\u1eafn v\u00e0 d\u1eabn \u0111i\u1ec7n t\u1ed1t:<\/b> V\u1ecf c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng v\u00e0 r\u01a1le \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean khung kim lo\u1ea1i c\u00f3 n\u1ed1i \u0111\u1ea5t ch\u1eafc ch\u1eafn v\u00e0 c\u00f3 k\u1ebft n\u1ed1i \u0111i\u1ec7n t\u1ed1t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,2,0\"><b data-path-to-node=\"12,2,0\" data-index-in-node=\"0\">S\u00e0n c\u00e1ch \u0111i\u1ec7n:<\/b> Thi\u1ebft b\u1ecb \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u1eb7t trong c\u00e1c ph\u00f2ng c\u00f3 s\u00e0n kh\u00f4ng d\u1eabn \u0111i\u1ec7n nh\u01b0 s\u00e0n g\u1ed7, s\u00e0n nh\u1ef1a \u0111\u01b0\u1eddng, v.v. (trong tr\u01b0\u1eddng h\u1ee3p nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec kh\u00f4ng ch\u1ea1m v\u00e0o c\u1ea3 v\u1ecf thi\u1ebft b\u1ecb v\u00e0 v\u1eadt d\u1eabn \u0111i\u1ec7n c\u00f9ng m\u1ed9t l\u00fac).<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"13\" \/>\n<h2 data-path-to-node=\"14\">III. \u201cN\u0103m nguy\u00ean t\u1eafc b\u1ea5t di b\u1ea5t d\u1ecbch\u201d khi s\u1eed d\u1ee5ng d\u00e2y n\u1ed1i \u0111\u1ea5t c\u1ea7m tay\u201d<\/h2>\n<p data-path-to-node=\"15\">Khi ti\u1ebfn h\u00e0nh b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi s\u1eed d\u1ee5ng d\u00e2y n\u1ed1i \u0111\u1ea5t di \u0111\u1ed9ng (d\u00e2y n\u1ed1i \u0111\u1ea5t t\u1ea1m th\u1eddi), b\u1eaft bu\u1ed9c ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy \u0111\u1ecbnh an to\u00e0n sau \u0111\u00e2y; \u0111\u00e2y c\u0169ng l\u00e0 n\u1ed9i dung trong b\u00e0i thi \u0111\u00e1nh gi\u00e1<b data-path-to-node=\"15\" data-index-in-node=\"48\">R\u1ea5t d\u1ec5 b\u1ecb tr\u1eeb \u0111i\u1ec3m<\/b>Ph\u1ea7n:<\/p>\n<ol start=\"1\" data-path-to-node=\"16\">\n<li>\n<p data-path-to-node=\"16,0,0\"><b data-path-to-node=\"16,0,0\" data-index-in-node=\"0\">H\u1ec7 th\u1ed1ng l\u00e0m vi\u1ec7c theo c\u1eb7p:<\/b> Ph\u1ea3i c\u00f3 hai ng\u01b0\u1eddi tham gia, m\u1ed9t ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n, m\u1ed9t ng\u01b0\u1eddi gi\u00e1m s\u00e1t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,1,0\"><b data-path-to-node=\"16,1,0\" data-index-in-node=\"0\">C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7:<\/b> Ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i \u0111eo<b data-path-to-node=\"16,1,0\" data-index-in-node=\"13\">G\u0103ng tay c\u00e1ch \u0111i\u1ec7n<\/b>, s\u1eed d\u1ee5ng chuy\u00ean d\u1ee5ng<b data-path-to-node=\"16,1,0\" data-index-in-node=\"22\">Thanh c\u00e1ch \u0111i\u1ec7n<\/b>\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,2,0\"><b data-path-to-node=\"16,2,0\" data-index-in-node=\"0\">Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea3o ng\u01b0\u1ee3c th\u1ee9 t\u1ef1:<\/b> * <b data-path-to-node=\"16,2,0\" data-index-in-node=\"10\">Khi l\u1eafp \u0111\u1eb7t:<\/b> Tr\u01b0\u1edbc ti\u00ean, h\u00e3y n\u1ed1i \u201c\u0111\u1ea7u n\u1ed1i \u0111\u1ea5t\u201d, sau khi ki\u1ec3m tra \u0111i\u1ec7n \u00e1p v\u00e0 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 \u0111i\u1ec7n \u00e1p, h\u00e3y l\u1eafp \u201c\u0111\u1ea7u n\u1ed1i d\u00e2y d\u1eabn\u201d.<\/p>\n<ul data-path-to-node=\"16,2,1\">\n<li>\n<p data-path-to-node=\"16,2,1,0,0\"><b data-path-to-node=\"16,2,1,0,0\" data-index-in-node=\"0\">Khi th\u00e1o d\u1ee1:<\/b> Th\u1ee9 t\u1ef1 ho\u00e0n to\u00e0n ng\u01b0\u1ee3c l\u1ea1i (tr\u01b0\u1edbc ti\u00ean th\u00e1o \u0111\u1ea7u d\u00e2y d\u1eabn, sau \u0111\u00f3 th\u00e1o \u0111\u1ea7u n\u1ed1i \u0111\u1ea5t).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p data-path-to-node=\"16,3,0\"><b data-path-to-node=\"16,3,0\" data-index-in-node=\"0\">Quy tr\u00ecnh k\u1ebft n\u1ed1i:<\/b> Ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u1eafc ch\u1eafn,<b data-path-to-node=\"16,3,0\" data-index-in-node=\"13\">Nghi\u00eam c\u1ea5m s\u1eed d\u1ee5ng \u201cph\u01b0\u01a1ng ph\u00e1p qu\u1ea5n\u201d<\/b>, ph\u1ea3i s\u1eed d\u1ee5ng k\u1eb9p d\u00e2y chuy\u00ean d\u1ee5ng ho\u1eb7c bu-l\u00f4ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,4,0\"><b data-path-to-node=\"16,4,0\" data-index-in-node=\"0\">Kho\u1ea3ng c\u00e1ch an to\u00e0n:<\/b> Trong qu\u00e1 tr\u00ecnh n\u1ed1i d\u00e2y ti\u1ebfp \u0111\u1ea5t, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 c\u01a1 th\u1ec3 ch\u1ea1m v\u00e0o d\u00e2y ti\u1ebfp \u0111\u1ea5t ho\u1eb7c d\u00e2y d\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t.<\/p>\n<\/li>\n<\/ol>\n<hr data-path-to-node=\"17\" \/>\n<h2 data-path-to-node=\"18\">IV. L\u01b0u \u00fd v\u1ec1 nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p (H\u01b0\u1edbng d\u1eabn tr\u00e1nh nh\u1eefng sai l\u1ea7m)<\/h2>\n<p data-path-to-node=\"19\">Trong ph\u1ea7n \u0111\u00e1nh gi\u00e1 th\u1ef1c h\u00e0nh c\u1ee7a C\u1ee5c H\u00e0ng h\u1ea3i, c\u00e1c gi\u00e1m kh\u1ea3o th\u01b0\u1eddng ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng chi ti\u1ebft sau \u0111\u00e2y:<\/p>\n<ul data-path-to-node=\"20\">\n<li>\n<p data-path-to-node=\"20,0,0\"><b data-path-to-node=\"20,0,0\" data-index-in-node=\"0\">C\u1ea5m k\u1ebft n\u1ed1i h\u1ed7n h\u1ee3p:<\/b> Trong m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n h\u1ea1 \u00e1p ba pha b\u1ed1n d\u00e2y c\u00f3 \u0111i\u1ec3m trung t\u00ednh n\u1ed1i \u0111\u1ea5t, kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u1ec3 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb n\u1ed1i v\u1edbi d\u00e2y trung t\u00ednh, trong khi m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb kh\u00e1c ch\u1ec9 n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7 m\u00e0 kh\u00f4ng n\u1ed1i v\u1edbi d\u00e2y trung t\u00ednh. \u0110i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec7n \u00e1p s\u1ef1 c\u1ed1 lan truy\u1ec1n qua d\u00e2y n\u1ed1i \u0111\u1ea5t, g\u00e2y ra nguy hi\u1ec3m l\u1edbn h\u01a1n.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\"><b data-path-to-node=\"20,1,0\" data-index-in-node=\"0\">Nhi\u1ec5u t\u00edn hi\u1ec7u:<\/b> Vi\u1ec7c n\u1ed1i \u0111\u1ea5t cho t\u00edn hi\u1ec7u m\u1ed9t chi\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t v\u1edbi vi\u1ec7c n\u1ed1i \u0111\u1ea5t cho t\u00edn hi\u1ec7u xoay chi\u1ec1u, nh\u1eb1m tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u t\u1ea7n s\u1ed1 cao g\u00e2y ra s\u1ef1 c\u1ed1 ho\u1ea1t \u0111\u1ed9ng sai cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"21\" \/>\n<h3 data-path-to-node=\"22\">L\u1eddi k\u1ebft<\/h3>\n<p data-path-to-node=\"23\">Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch c\u00e1c thi\u1ebft b\u1ecb n\u1ed1i \u0111\u1ea5t l\u00e0 \u201cl\u00e1 b\u00f9a h\u1ed9 m\u1ec7nh\u201d c\u1ee7a m\u1ed7i k\u1ef9 thu\u1eadt vi\u00ean \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n tr\u00ean t\u00e0u. Th\u00f4ng qua c\u00e1c thao t\u00e1c tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh, ch\u00fang ta c\u00f3 th\u1ec3 ph\u00f2ng ng\u1eeba hi\u1ec7u qu\u1ea3 c\u00e1c tai n\u1ea1n \u0111i\u1ec7n gi\u1eadt, h\u1ecfa ho\u1ea1n do ch\u1eadp \u0111i\u1ec7n c\u0169ng nh\u01b0 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn an to\u00e0n \u0111i\u1ec7n tr\u00ean t\u00e0u: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u1eadn h\u00e0nh \u0111\u00fang c\u00e1ch c\u00e1c thi\u1ebft b\u1ecb n\u1ed1i \u0111\u1ea5t di \u0111\u1ed9ng v\u00e0 c\u1ed1 \u0111\u1ecbnh? Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tr\u00ean t\u00e0u, n\u1ed1i \u0111\u1ea5t (Grounding) v\u00e0 n\u1ed1i trung t\u00ednh (C\u2026<\/p>","protected":false},"author":1,"featured_media":15368,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15367","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-dianzidianqiyuanshicaopinggukecheng","dt_portfolio_category-891","description-off"],"_links":{"self":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=15367"}],"version-history":[{"count":1,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15367\/revisions"}],"predecessor-version":[{"id":15501,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15367\/revisions\/15501"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15368"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15367"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15367"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}