{"id":15819,"date":"2026-01-07T10:38:57","date_gmt":"2026-01-07T02:38:57","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&p=15819"},"modified":"2026-01-07T10:43:20","modified_gmt":"2026-01-07T02:43:20","slug":"rongduanqidechangjianguzhangchaizhuangjixiulishiwushouce","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/rongduanqidechangjianguzhangchaizhuangjixiulishiwushouce","title":{"rendered":"S\u1ed5 tay th\u1ef1c h\u00e0nh v\u1ec1 c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p, th\u00e1o l\u1eafp v\u00e0 s\u1eeda ch\u1eefa c\u1ea7u ch\u00ec"},"content":{"rendered":"
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S\u1ed5 tay th\u1ef1c h\u00e0nh v\u1ec1 c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p, th\u00e1o l\u1eafp v\u00e0 s\u1eeda ch\u1eefa c\u1ea7u ch\u00ec<\/h1>\n
B\u1ea3o v\u1ec7 ch\u1ed1ng ng\u1eafn m\u1ea1ch v\u00e0 qu\u00e1 t\u1ea3i \u00b7 Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p\/h\u00e0ng h\u1ea3i \u00b7 V\u1eadn h\u00e0nh an to\u00e0n<\/div>\n<\/div>\n
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I. C\u1ea5u t\u1ea1o v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea7u ch\u00ec<\/h2>\n
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1. C\u1ea7u ch\u00ec c\u1eafm<\/h4>\n

C\u1ea7u ch\u00ec c\u1eafm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ch \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u1ecfi ng\u1eafn m\u1ea1ch ho\u1eb7c qu\u00e1 t\u1ea3i. C\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c trang b\u1ecb d\u00e2y ho\u1eb7c t\u1ea5m c\u1ea7u ch\u00ec; khi s\u1eed d\u1ee5ng, d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a d\u00e2y c\u1ea7u ch\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c ghi tr\u00ean v\u1ecf s\u1ee9, n\u1ebfu kh\u00f4ng, tia l\u1eeda \u0111i\u1ec7n ph\u00e1t sinh khi d\u00e2y c\u1ea7u ch\u00ec b\u1ecb \u0111\u1ee9t s\u1ebd r\u1ea5t m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u1ea7u ch\u00ec.<\/p>\n<\/div>\n

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2. C\u1ea7u ch\u00ec xo\u1eafn \u1ed1c<\/h4>\n

C\u1ea7u ch\u00ec xo\u1eafn \u1ed1c c\u00f3 ch\u1ee9a d\u00e2y ch\u00ec v\u00e0 c\u00e1t th\u1ea1ch anh b\u00ean trong \u1ed1ng c\u1ea7u ch\u00ec; m\u1ed9t \u0111\u1ea7u \u1ed1ng c\u1ea7u ch\u00ec c\u00f3 m\u1ed9t ch\u1ea5m m\u00e0u. Khi d\u00e2y ch\u00ec b\u1ecb \u0111\u1ee9t, ch\u1ea5m m\u00e0u s\u1ebd b\u1eadt ra, b\u00e1o hi\u1ec7u r\u1eb1ng d\u00e2y ch\u00ec \u0111\u00e3 b\u1ecb \u0111\u1ee9t.<\/p>\n<\/div>\n

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3. B\u1ed9 ng\u1eaft m\u1ea1ch \u1ed1ng k\u00edn c\u00f3 ch\u1ea5t \u0111\u1ed9n<\/h4>\n

G\u1ed3m c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 \u1ed1ng ng\u1eaft m\u1ea1ch, ch\u1ea5t d\u1eabn \u0111i\u1ec7n, b\u1ed9 ch\u1ec9 th\u1ecb, v\u1eadt li\u1ec7u \u0111\u1ec7m v\u00e0 \u0111\u1ebf ti\u1ebfp \u0111i\u1ec3m. Ch\u1ea5t d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb d\u1ea3i b\u1ea1c d\u01b0\u1edbi d\u1ea1ng m\u1eb7t c\u1eaft h\u1eb9p h\u00ecnh ch\u1eef V ho\u1eb7c d\u1ea1ng l\u01b0\u1edbi, c\u00f3 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng nhanh, c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch v\u00e0 qu\u00e1 t\u1ea3i cho c\u00e1c linh ki\u1ec7n ch\u1ec9nh l\u01b0u b\u00e1n d\u1eabn.<\/p>\n<\/div>\n<\/div>\n

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II. L\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec<\/h2>\n
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Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng t\u1ea3i v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch c\u1ee7a m\u1ea1ch \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch chi\u1ebfu s\u00e1ng ho\u1eb7c \u0111\u1ed9ng c\u01a1 c\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea7u ch\u00ec \u1ed1ng b\u00e1n k\u00edn ho\u1eb7c c\u1ea7u ch\u00ec \u1ed1ng k\u00edn kh\u00f4ng c\u00f3 ch\u1ea5t \u0111\u1ed9n; \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n c\u00f3 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch kh\u00e1 l\u1edbn ho\u1eb7c \u1edf nh\u1eefng n\u01a1i c\u00f3 kh\u00ed d\u1ec5 ch\u00e1y, n\u00ean s\u1eed d\u1ee5ng c\u1ea7u ch\u00ec \u1ed1ng k\u00edn c\u00f3 ch\u1ea5t \u0111\u1ed9n; \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb thyristor v\u00e0 linh ki\u1ec7n silicon, n\u00ean s\u1eed d\u1ee5ng c\u1ea7u ch\u00ec nhanh.<\/p>\n

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Nguy\u00ean t\u1eafc t\u00ednh to\u00e1n c\u1ed1t l\u00f5i:<\/h4>\n

Do c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu qu\u00e1 t\u1ea3i nh\u1ea5t \u0111\u1ecbnh, n\u00ean khi kh\u1ea3 n\u0103ng ch\u1ecbu qu\u00e1 t\u1ea3i c\u00f2n th\u1ea5p, thi\u1ebft b\u1ecb v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i; nh\u01b0ng khi v\u01b0\u1ee3t qu\u00e1 m\u1ed9t h\u1ec7 s\u1ed1 qu\u00e1 t\u1ea3i nh\u1ea5t \u0111\u1ecbnh, c\u1ea7u ch\u00ec ph\u1ea3i ng\u1eaft m\u1ea1ch trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. Ngo\u00e0i ra, m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u00f3 d\u00f2ng kh\u1edfi \u0111\u1ed9ng r\u1ea5t l\u1edbn, v\u00ed d\u1ee5 nh\u01b0 d\u00f2ng kh\u1edfi \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 ba pha kh\u00f4ng \u0111\u1ed3ng b\u1ed9 g\u1ea5p 5 \u0111\u1ebfn 7 l\u1ea7n d\u00f2ng \u0111\u1ecbnh m\u1ee9c; do \u0111\u00f3, khi l\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec, c\u1ea7n ph\u1ea3i xem x\u00e9t c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n

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(1) M\u1ea1ch chi\u1ebfu s\u00e1ng:<\/strong>
\nD\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u ch\u00ec \u2265 t\u1ed5ng d\u00f2ng \u0111i\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c b\u00f3ng \u0111\u00e8n tr\u00ean m\u1ea1ch<\/div>\n
(2) \u0110\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u01a1n l\u1ebb:<\/strong>
\nD\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u ch\u00ec \u2265 (1,5\u20132,5) \u00d7 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1<\/div>\n
(3) Ph\u00eda h\u1ea1 \u00e1p c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p ph\u00e2n ph\u1ed1i:<\/strong>
\nD\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u ch\u00ec = (1~1,2) \u00d7 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c ph\u00eda h\u1ea1 \u00e1p c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p<\/div>\n<\/div>\n<\/div>\n

D\u00e2y n\u00f3ng ch\u1ea3y c\u1ee7a c\u1ea7u ch\u00ec ph\u1ea3i \u0111\u1ee9t m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch. N\u1ebfu ch\u1ecdn k\u00edch th\u01b0\u1edbc qu\u00e1 l\u1edbn, c\u1ea7u ch\u00ec s\u1ebd kh\u00f4ng \u0111\u1ee9t k\u1ecbp th\u1eddi; n\u1ebfu ch\u1ecdn k\u00edch th\u01b0\u1edbc qu\u00e1 nh\u1ecf, c\u1ea7u ch\u00ec s\u1ebd \u0111\u1ee9t ngay c\u1ea3 khi ch\u1ecbu t\u1ea3i b\u00ecnh th\u01b0\u1eddng.<\/p>\n<\/div>\n<\/section>\n

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3. Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng c\u1ea7u ch\u00ec<\/h2>\n
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  • (1) Khi thay th\u1ebf c\u1ea7u ch\u00ec, ph\u1ea3i thay b\u1eb1ng lo\u1ea1i c\u00f3 c\u00f9ng ki\u1ec3u d\u00e1ng, ch\u1ea5t li\u1ec7u, k\u00edch th\u01b0\u1edbc v\u00e0 m\u1ee9c d\u00f2ng \u0111i\u1ec7n theo quy \u0111\u1ecbnh.<\/li>\n
  • (2) \u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u ch\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y.<\/li>\n
  • (3) C\u1ea7n l\u1ef1a ch\u1ecdn c\u1ea7u ch\u00ec c\u00f3 kh\u1ea3 n\u0103ng ng\u1eaft m\u1ea1ch t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3 x\u1ea3y ra.<\/li>\n
  • (4) S\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c c\u1ea5p:<\/strong>Th\u00f4ng th\u01b0\u1eddng, y\u00eau c\u1ea7u kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng \u1edf c\u1ea5p tr\u01b0\u1edbc ph\u1ea3i l\u1edbn g\u1ea5p 2\u20133 l\u1ea7n so v\u1edbi c\u1ea5p sau \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea3y c\u1ea5p.<\/li>\n
  • (5) Kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed1i m\u1ed9t s\u1ee3i d\u00e2y d\u1eabn v\u00e0o hai \u0111\u1ea7u \u1ed1ng ng\u1eaft m\u1ea1ch \u0111\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng.<\/li>\n
  • (6) C\u1ea7u ch\u00ec ch\u1ec9 d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ch ch\u00ednh c\u1ee7a \u0111\u1ed9ng c\u01a1 kh\u1ecfi ng\u1eafn m\u1ea1ch, kh\u00f4ng d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i.<\/li>\n
  • (7) Trong \u0111\u01b0\u1eddng d\u00e2y n\u1ed1i \u0111\u1ea5t, d\u00e2y trung t\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng ba pha b\u1ed1n d\u00e2y, v\u00e0 m\u1ea1ch k\u00edch t\u1eeb c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n m\u1ed9t chi\u1ec1uKh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p<\/strong>K\u1ebft n\u1ed1i c\u1ea7u ch\u00ec.<\/li>\n<\/ul>\n<\/div>\n<\/section>\n
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    IV. C\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p c\u1ee7a c\u1ea7u ch\u00ec<\/h2>\n
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    1. C\u1ea7u ch\u00ec b\u1ecb ch\u00e1y<\/strong>
    \nNguy\u00ean nh\u00e2n: Qu\u00e1 t\u1ea3i m\u1ea1ch \u0111i\u1ec7n, ch\u1eadp m\u1ea1ch, l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u00e3 c\u0169. Bi\u1ec3u hi\u1ec7n: M\u1ea5t \u0111i\u1ec7n, c\u1ea7u ch\u00ec b\u1ecb \u0111\u1ee9t ho\u1eb7c ch\u00e1y \u0111en.<\/span><\/div>\n
    2. Ti\u1ebfp x\u00fac k\u00e9m<\/strong>
    \nNguy\u00ean nh\u00e2n: C\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac \u1edf \u0111\u1ebf b\u1ecb oxy h\u00f3a, l\u1ecfng l\u1ebbo ho\u1eb7c b\u00e1m b\u1ea9n. Bi\u1ec3u hi\u1ec7n: N\u00f3ng l\u00ean, m\u1ea1ch \u0111i\u1ec7n l\u00fac c\u00f3 l\u00fac kh\u00f4ng, xu\u1ea5t hi\u1ec7n tia l\u1eeda \u0111i\u1ec7n.<\/span><\/div>\n
    3. H\u01b0 h\u1ecfng b\u00ean ngo\u00e0i<\/strong>
    \nNguy\u00ean nh\u00e2n: Va \u0111\u1eadp c\u01a1 h\u1ecdc, \u0103n m\u00f2n do nhi\u1ec7t \u0111\u1ed9 cao. Bi\u1ec3u hi\u1ec7n: V\u1ecf b\u1ecb n\u1ee9t, bi\u1ebfn d\u1ea1ng ho\u1eb7c b\u1ecb cacbon h\u00f3a.<\/span><\/div>\n
    4. Ho\u1ea1t \u0111\u1ed9ng sai ho\u1eb7c kh\u00f4ng th\u1ec3 ng\u1eaft m\u1ea1ch<\/strong>
    \nNguy\u00ean nh\u00e2n: Ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, d\u00f2ng \u0111i\u1ec7n kh\u00f4ng ph\u00f9 h\u1ee3p. Bi\u1ec3u hi\u1ec7n: M\u1ea1ch \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng nh\u01b0ng kh\u00f4ng ng\u1eaft, g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/span><\/div>\n<\/div>\n<\/section>\n
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    5. C\u00e1c b\u01b0\u1edbc th\u00e1o l\u1eafp c\u1ea7u ch\u00ec<\/h2>\n
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    1. (1) Ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n v\u00e0 ki\u1ec3m tra \u0111i\u1ec7n \u00e1p:<\/strong>T\u1eaft c\u00f4ng t\u1eafc ngu\u1ed3n, d\u00f9ng b\u00fat th\u1eed \u0111i\u1ec7n \u0111\u1ec3 ki\u1ec3m tra xem m\u1ea1ch \u0111i\u1ec7n \u0111\u00e3 ng\u1eaft \u0111i\u1ec7n ch\u01b0a.<\/li>\n
    2. (2) Th\u00e1o c\u1ea7u ch\u00ec:<\/strong>D\u00f9ng tu\u1ed1c n\u01a1 v\u00edt c\u00e1ch \u0111i\u1ec7n ho\u1eb7c d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u1ec3 n\u1edbi l\u1ecfng c\u00e1c \u1ed1c v\u00edt c\u1ed1 \u0111\u1ecbnh. K\u00e9o th\u1eb3ng ra (lo\u1ea1i c\u1eafm) ho\u1eb7c v\u1eb7n ra (lo\u1ea1i xo\u1eafn \u1ed1c).<\/li>\n
    3. (3) Ki\u1ec3m tra \u0111\u1ebf:<\/strong>Ki\u1ec3m tra xem c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u00f3 b\u1ecb oxy h\u00f3a, ch\u00e1y x\u00e9m ho\u1eb7c l\u1ecfng l\u1ebbo kh\u00f4ng, v\u00e0 l\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n
    4. (4) Ch\u1ecdn c\u1ea7u ch\u00ec ph\u00f9 h\u1ee3p:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u0169 v\u00e0 m\u1edbi (d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p) ph\u1ea3i kh\u1edbp nhau.<\/li>\n
    5. (5) C\u1ea7u ch\u00ec c\u1ed1 \u0111\u1ecbnh:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c kh\u00edt ch\u1eb7t, v\u1eb7n ch\u1eb7t \u1ed1c v\u00edt \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng ti\u1ebfp x\u00fac l\u1ecfng l\u1ebbo.<\/li>\n
    6. (6) Ki\u1ec3m tra khi c\u1ea5p \u0111i\u1ec7n:<\/strong>\u0110\u00f3ng c\u00f4ng t\u1eafc v\u00e0 quan s\u00e1t xem c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng, c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00f3ng b\u1ea5t th\u01b0\u1eddng ho\u1eb7c tia l\u1eeda \u0111i\u1ec7n hay kh\u00f4ng.<\/li>\n<\/ol>\n<\/div>\n

       <\/p>\n<\/section>\n

      \n

      6. S\u1eeda ch\u1eefa v\u00e0 b\u1ea3o d\u01b0\u1ee1ng c\u1ea7u ch\u00ec<\/h2>\n
      \n
      \n

      1. X\u1eed l\u00fd sau khi ng\u1eaft m\u1ea1ch<\/h4>\n

      Thay th\u1ebf tr\u1ef1c ti\u1ebfp b\u1eb1ng c\u1ea7u ch\u00ec m\u1edbi,C\u1ea5m s\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng ho\u1eb7c d\u00e2y s\u1eaft \u0111\u1ec3 thay th\u1ebf<\/strong>. H\u00e3y ch\u1eafc ch\u1eafn ki\u1ec3m tra xem c\u00f3 s\u1ef1 c\u1ed1 qu\u00e1 t\u1ea3i ho\u1eb7c ch\u1eadp m\u1ea1ch hay kh\u00f4ng tr\u01b0\u1edbc khi thay th\u1ebf.<\/p>\n<\/div>\n

      \n

      2. V\u1ec7 sinh v\u00e0 s\u1eeda ch\u1eefa c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac<\/h4>\n

      D\u00f9ng gi\u1ea5y nh\u00e1m m\u1ecbn \u0111\u1ec3 ch\u00e0 nh\u00e1m c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac b\u1ecb oxy h\u00f3a. N\u1ebfu b\u1ecb bi\u1ebfn d\u1ea1ng nghi\u00eam tr\u1ecdng ho\u1eb7c ch\u00e1y h\u1ecfng, c\u1ea7n ph\u1ea3i thay th\u1ebf to\u00e0n b\u1ed9 \u0111\u1ebf.<\/p>\n<\/div>\n

      \n

      3. S\u1eeda ch\u1eefa v\u1ecf c\u1ea7u ch\u00ec<\/h4>\n

      C\u00e1c v\u1ebft h\u01b0 h\u1ecfng nh\u1eb9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa t\u1ea1m th\u1eddi b\u1eb1ng b\u0103ng keo c\u00e1ch \u0111i\u1ec7n. C\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u1ecb ch\u00e1y x\u00e9m nghi\u00eam tr\u1ecdng ho\u1eb7c n\u1ee9t v\u1ee1 ph\u1ea3i lo\u1ea1i b\u1ecf v\u00e0 thay th\u1ebf.<\/p>\n<\/div>\n

      \n

      4. Thay th\u1ebf ch\u1ea5t l\u1ecfng n\u00f3ng ch\u1ea3y<\/h4>\n

      Ch\u1ec9 \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i c\u1ea7u ch\u00ec c\u00f3 th\u1ec3 thay th\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea7u ch\u00ec d\u1ea1ng l\u01b0\u1ee1i dao. L\u1eafp \u0111\u1eb7t c\u1ea7u ch\u00ec m\u1edbi theo \u0111\u00fang th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ban \u0111\u1ea7u v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i ch\u1eafc ch\u1eafn.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

      \n

      VII. C\u00e1c l\u01b0u \u00fd v\u1ec1 an to\u00e0n<\/h2>\n
      \n
        \n
      • (1) Ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n: Ph\u1ea3i ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n tr\u01b0\u1edbc khi th\u00e1o l\u1eafp ho\u1eb7c s\u1eeda ch\u1eefa \u0111\u1ec3 tr\u00e1nh b\u1ecb \u0111i\u1ec7n gi\u1eadt ho\u1eb7c b\u1ecfng do h\u1ed3 quang \u0111i\u1ec7n.<\/li>\n
      • (2) C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7: \u0110eo g\u0103ng tay c\u00e1ch \u0111i\u1ec7n v\u00e0 k\u00ednh b\u1ea3o h\u1ed9, s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 c\u00e1ch \u0111i\u1ec7n.<\/li>\n
      • (3) C\u1ea5m thay th\u1ebf khi thi\u1ebft b\u1ecb v\u1eabn \u0111ang c\u00f3 \u0111i\u1ec7n: Kh\u00f4ng \u0111\u01b0\u1ee3c thay th\u1ebf c\u1ea7u ch\u00ec ngay sau khi n\u00f3 b\u1ecb \u0111\u1ee9t trong khi thi\u1ebft b\u1ecb v\u1eabn \u0111ang c\u00f3 \u0111i\u1ec7n.<\/li>\n
      • (4) Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng: Tr\u00e1nh thao t\u00e1c trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c d\u1ec5 ch\u00e1y.<\/li>\n
      • (5) Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3: L\u00e0m s\u1ea1ch b\u1ee5i, si\u1ebft ch\u1eb7t \u1ed1c v\u00edt.<\/li>\n<\/ul>\n<\/div>\n<\/section>\n