{"id":1518,"date":"2025-06-19T07:16:31","date_gmt":"2025-06-19T07:16:31","guid":{"rendered":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/2025\/06\/19\/1914-huong-dan-hoa-dong-bo-2-may-phat-dien-chi-tiet\/"},"modified":"2025-06-19T07:16:31","modified_gmt":"2025-06-19T07:16:31","slug":"1914-huong-dan-hoa-dong-bo-2-may-phat-dien-chi-tiet","status":"publish","type":"post","link":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/2025\/06\/19\/1914-huong-dan-hoa-dong-bo-2-may-phat-dien-chi-tiet\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ho\u00e0 \u0111\u1ed3ng b\u1ed9 2 m\u00e1y ph\u00e1t \u0111i\u1ec7n chi ti\u1ebft"},"content":{"rendered":"

H\u00f2a \u0111\u1ed3ng b\u1ed9 hai ho\u1eb7c nhi\u1ec1u m\u00e1y ph\u00e1t \u0111i\u1ec7n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i song song c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ec3 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n l\u1edbn h\u01a1n khi nhu c\u1ea7u t\u0103ng cao, v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t m\u00e1y ph\u00e1t \u0111\u01a1n l\u1ebb. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n, hi\u1ec3u r\u00f5 nguy\u00ean t\u1eafc, quy tr\u00ecnh \u0111\u1ed3ng b\u1ed9 v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng t\u1ea1i t\u1eebng tr\u1ea1m ph\u00e1t \u0111i\u1ec7n. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 \u0111\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n qua b\u00e0i vi\u1ebft sau.<\/strong><\/p>\n

<\/p>\n

I. T\u1ed5ng Quan V\u1ec1 \u0110\u1ed3ng B\u1ed9 M\u00e1y Ph\u00e1t \u0110i\u1ec7n<\/strong><\/h2>\n

1. \u0110\u1ecbnh Ngh\u0129a<\/strong><\/h3>\n

\u0110\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/a>, c\u00f2n g\u1ecdi l\u00e0 h\u00f2a \u0111\u1ed3ng b\u1ed9, l\u00e0 k\u1ef9 thu\u1eadt k\u1ebft n\u1ed1i song song hai ho\u1eb7c nhi\u1ec1u m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0o c\u00f9ng m\u1ed9t m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n. \u0110\u1ec3 \u0111\u1ed3ng b\u1ed9 th\u00e0nh c\u00f4ng, c\u00e1c m\u00e1y ph\u00e1t ph\u1ea3i c\u00f3 t\u1ed1c \u0111\u1ed9 quay v\u00e0 \u0111i\u1ec7n \u00e1p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau.<\/span><\/p>\n

M\u00e1y ph\u00e1t \u0111i\u1ec7n kh\u00f4ng th\u1ec3 c\u1ea5p \u0111i\u1ec7n cho l\u01b0\u1edbi \u0111i\u1ec7n n\u1ebfu \u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1 v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c kh\u00f4ng kh\u1edbp ch\u00ednh x\u00e1c. Qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9 \u0111\u00f2i h\u1ecfi \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng k\u00edch t\u1eeb v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/span><\/p>\n

Nhu c\u1ea7u \u0111\u1ed3ng b\u1ed9 h\u00f3a ph\u00e1t sinh khi c\u1ea7n k\u1ebft h\u1ee3p hai ho\u1eb7c nhi\u1ec1u m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ea3i l\u1edbn h\u01a1n.<\/span><\/p>\n

Vi\u1ec7c \u0111\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n v\u00e0 kinh nghi\u1ec7m trong v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec. Do \u0111\u00f3, c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 nhu c\u1ea7u \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p: m\u00e1y ph\u00e1t \u0111i\u1ec7n song song ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n song song v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n.<\/span><\/p>\n

Trong h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9, v\u00ed d\u1ee5 v\u1edbi 4 m\u00e1y ho\u1ea1t \u0111\u1ed9ng, th\u01b0\u1eddng c\u00f3 th\u00eam m\u1ed9t m\u00e1y th\u1ee9 5 \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd s\u1eb5n s\u00e0ng. M\u00e1y n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t khi m\u1ed9t trong 4 m\u00e1y ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1.<\/span><\/p>\n

2. Vai Tr\u00f2 C\u1ee7a \u0110\u1ed3ng B\u1ed9<\/strong><\/h3>\n

\u0110\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ea3m nh\u1eadn nhi\u1ec1u vai tr\u00f2 quan tr\u1ecdng:<\/span><\/p>\n

    \n
  1. <\/span>Nh\u1eadn di\u1ec7n th\u1eddi \u0111i\u1ec3m th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9.<\/span><\/li>\n
  2. <\/span>\u0110i\u1ec1u khi\u1ec3n c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft t\u1ef1 \u0111\u1ed9ng (\u0111\u00f3ng khi \u0111i\u1ec1u ki\u1ec7n ph\u00f9 h\u1ee3p, c\u1eaft khi c\u00f3 nguy c\u01a1).<\/span><\/li>\n
  3. <\/span>B\u1ea3o v\u1ec7 m\u00e1y ph\u00e1t v\u00e0 h\u1ec7 th\u1ed1ng (ch\u1ed1ng qu\u00e1 d\u00f2ng v\u00e0 c\u00f4ng su\u1ea5t ng\u01b0\u1ee3c).<\/span><\/li>\n
  4. <\/span>\u0110i\u1ec1u ti\u1ebft s\u1ef1 ph\u00e2n chia t\u1ea3i gi\u1eefa c\u00e1c m\u00e1y ph\u00e1t.<\/span><\/li>\n<\/ol>\n

    3. Khi N\u00e0o C\u1ea7n \u0110\u1ed3ng B\u1ed9 M\u00e1y Ph\u00e1t \u0110i\u1ec7n?<\/strong><\/h3>\n

    M\u1eb7c d\u00f9 quy tr\u00ecnh \u0111\u1ed3ng b\u1ed9 kh\u00e1 ph\u1ee9c t\u1ea1p, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc th\u1ef1c hi\u1ec7n n\u1ebfu g\u1eb7p c\u00e1c v\u1ea5n \u0111\u1ec1 sau:<\/span><\/p>\n

      \n
    1. <\/span>T\u1ed5ng c\u00f4ng su\u1ea5t c\u1ea7n thi\u1ebft cho m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb v\u01b0\u1ee3t qu\u00e1 c\u00f4ng su\u1ea5t c\u1ee7a m\u1ed9t m\u00e1y ph\u00e1t \u0111\u01a1n l\u1ebb.<\/span><\/li>\n
    2. <\/span>Ph\u1ee5 t\u1ea3i t\u0103ng ho\u1eb7c thay \u0111\u1ed5i l\u1edbn, d\u1eabn \u0111\u1ebfn chi ph\u00ed nhi\u00ean li\u1ec7u t\u0103ng cao. N\u1ebfu chi ph\u00ed n\u00e0y l\u1edbn h\u01a1n chi ph\u00ed \u0111\u1ea7u t\u01b0 cho \u0111\u1ed3ng b\u1ed9, th\u00ec n\u00ean th\u1ef1c hi\u1ec7n.<\/span><\/li>\n
    3. <\/span>Ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t y\u00eau c\u1ea7u m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c 24\/7, v\u00e0 b\u1ea1n mu\u1ed1n tr\u00e1nh gi\u00e1n \u0111o\u1ea1n s\u1ea3n xu\u1ea5t do chuy\u1ec3n t\u1ea3i gi\u1eefa c\u00e1c m\u00e1y ph\u00e1t.<\/span><\/li>\n
    4. <\/span>Nhu c\u1ea7u s\u1eed d\u1ee5ng \u0111i\u1ec7n t\u0103ng trong s\u1ea3n xu\u1ea5t. Khi \u0111\u00e3 c\u00f3 m\u1ed9t m\u00e1y ph\u00e1t, vi\u1ec7c th\u00eam m\u1ed9t ho\u1eb7c nhi\u1ec1u m\u00e1y song song l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u, th\u01b0\u1eddng ti\u1ebft ki\u1ec7m h\u01a1n so v\u1edbi mua m\u1ed9t m\u00e1y m\u1edbi c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n.<\/span><\/li>\n<\/ol>\n

      II. C\u00e1c Y\u00eau C\u1ea7u \u0110\u1ec3 \u0110\u1ed3ng B\u1ed9 M\u00e1y Ph\u00e1t \u0110i\u1ec7n<\/strong><\/h2>\n

      1. C\u00e1c \u0110i\u1ec1u Ki\u1ec7n B\u1eaft Bu\u1ed9c<\/strong><\/h3>\n

      \u0110\u1ec3 c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng song song, c\u1ea7n \u0111\u1ea3m b\u1ea3o <\/span>3 \u0111i\u1ec1u ki\u1ec7n<\/strong> sau:<\/span><\/p>\n

        \n
      1. <\/span>\u0110i\u1ec7n \u00e1p<\/strong>: C\u00e1c m\u00e1y ph\u00e1t ph\u1ea3i c\u00f3 \u0111i\u1ec7n \u00e1p b\u1eb1ng nhau, v\u1edbi sai l\u1ec7ch kh\u00f4ng qu\u00e1 5%. Th\u00f4ng th\u01b0\u1eddng, \u0111i\u1ec7n \u00e1p m\u00e1y ph\u00e1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng ho\u1eb7c cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi \u0111\u1ec3 khi \u0111\u00f3ng, m\u00e1y ph\u00e1t c\u00f3 c\u00f4ng su\u1ea5t nh\u1ec9nh h\u01a1n. C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111i\u1ec7n \u00e1p m\u00e1y ph\u00e1t b\u1eb1ng \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi.<\/span><\/li>\n
      2. <\/span>T\u1ea7n s\u1ed1<\/strong>: T\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c m\u00e1y ph\u00e1t ph\u1ea3i gi\u1ed1ng nhau. N\u1ebfu kh\u00e1c nhau, vi\u1ec7c ph\u00e2n chia t\u1ea3i s\u1ebd kh\u00f4ng \u0111\u1ec1u, g\u00e2y h\u1ecfng m\u00e1y ph\u00e1t.<\/span><\/li>\n
      3. <\/span>Th\u1ee9 t\u1ef1 pha<\/strong>: \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng, c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. Th\u1ee9 t\u1ef1 pha th\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m tra m\u1ed9t l\u1ea7n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t v\u00e0 \u00edt khi ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i, tr\u1eeb khi c\u00f3 th\u00e1o l\u1eafp l\u1edbn.<\/span><\/li>\n<\/ol>\n

        Ngo\u00e0i ra, \u0111\u1ec3 t\u0103ng \u0111\u1ed9 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3, n\u00ean trang b\u1ecb th\u00eam:<\/span><\/p>\n

          \n
        1. <\/span>Thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 (AVR) \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u00e2n chia t\u1ea3i.<\/span><\/li>\n
        2. <\/span>Thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 cho t\u1eebng t\u1ed5 m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/span><\/li>\n<\/ol>\n

          2. Th\u1eddi \u0110i\u1ec3m Th\u00edch H\u1ee3p \u0110\u1ec3 H\u00f2a \u0110\u1ed3ng B\u1ed9<\/strong><\/h3>\n

          Th\u1eddi \u0111i\u1ec3m h\u00f2a \u0111\u1ed3ng b\u1ed9 l\u00e0 l\u00fac \u0111\u00f3ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft, cho ph\u00e9p c\u00e1c m\u00e1y \u0111ang ho\u1ea1t \u0111\u1ed9ng ri\u00eang r\u1ebd k\u1ebft n\u1ed1i song song.<\/span><\/p>\n

          Th\u1eddi \u0111i\u1ec3m n\u00e0y ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/span><\/p>\n

            \n
          1. <\/span>H\u1ec7 th\u1ed1ng ph\u1ea3i c\u00f3 c\u00f9ng \u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1 v\u00e0 th\u1ee9 t\u1ef1 pha.<\/span><\/li>\n
          2. <\/span>Hai h\u1ec7 th\u1ed1ng ph\u1ea3i c\u00f3 c\u00f9ng pha. \u0110\u1ed9 l\u1ec7ch pha t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3ng c\u1eaft \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n.<\/span><\/li>\n<\/ol>\n

            3. C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p Ki\u1ec3m Tra \u0110i\u1ec1u Ki\u1ec7n \u0110\u1ed3ng B\u1ed9<\/strong><\/h3>\n

            T\u1ea7n s\u1ed1 v\u00e0 \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ki\u1ec3m tra b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 \u0111o chuy\u00ean d\u1ee5ng. Tuy nhi\u00ean, \u0111i\u1ec1u ki\u1ec7n v\u1ec1 pha \u0111\u00f2i h\u1ecfi ki\u1ec3m tra c\u1ea9n th\u1eadn v\u00e0 nghi\u00eam ng\u1eb7t h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

            3.1. Ki\u1ec3m Tra \u0110\u1ed3ng V\u1ecb Pha M\u00e1y Ph\u00e1t \u0110i\u1ec7n<\/strong><\/h4>\n

            Khi \u0111\u1ed3ng b\u1ed9, th\u1ee9 t\u1ef1 pha l\u00e0 y\u1ebfu t\u1ed1 ti\u00ean quy\u1ebft, c\u1ea7n ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. Ch\u1ec9 c\u1ea7n m\u1ed9t pha c\u1ee7a m\u00e1y ph\u00e1t c\u00f3 g\u00f3c l\u1ec7ch so v\u1edbi pha t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng 0 l\u00e0 \u0111\u1ea1t y\u00eau c\u1ea7u.<\/span><\/p>\n

            \u0110\u1ed3ng v\u1ecb pha \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh khi t\u1ed1c \u0111\u1ed9 quay v\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1ea1t \u0111\u1ecbnh m\u1ee9c.<\/span><\/p>\n

            Do t\u1ea7n s\u1ed1 l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t lu\u00f4n c\u00f3 sai l\u1ec7ch nh\u1ecf, g\u00f3c l\u1ec7ch pha c\u0169ng thay \u0111\u1ed5i li\u00ean t\u1ee5c. Do \u0111\u00f3, thao t\u00e1c \u0111\u00f3ng m\u00e1y c\u1eaft c\u00f3 nhi\u1ec1u r\u1ee7i ro do kh\u00f3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c g\u00f3c pha, g\u00e2y ra d\u00f2ng \u0111i\u1ec7n l\u1edbn, thay \u0111\u1ed5i momen \u0111i\u1ec7n t\u1eeb \u0111\u1ed9t ng\u1ed9t, h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 m\u1ea5t \u1ed5n \u0111\u1ecbnh l\u01b0\u1edbi \u0111i\u1ec7n.<\/span><\/p>\n

            \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed3ng v\u1ecb pha, c\u1ea7n \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c v\u00e0 l\u1eafp r\u01a1le h\u00f2a \u0111\u1ed3ng b\u1ed9 ho\u1eb7c r\u01a1le ch\u1ed1ng h\u00f2a sai trong m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n

            3.2. Ki\u1ec3m Tra \u0110\u1ed3ng V\u1ecb Pha H\u1ec7 Th\u1ed1ng L\u01b0\u1edbi<\/strong><\/h4>\n

            \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng l\u01b0\u1edbi m\u1ea1ch v\u00f2ng, \u0111\u1ed3ng v\u1ecb pha \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb khi thi\u1ebft k\u1ebf. Tuy nhi\u00ean, sai l\u1ec7ch v\u1ec1 t\u1ea7n s\u1ed1 v\u00e0 \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i g\u00f3c gi\u1eefa hai \u0111\u1ea7u m\u00e1y c\u1eaft. Vi\u1ec7c \u0111\u00f3ng m\u00e1y c\u1eaft trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn h\u1ec7 th\u1ed1ng, g\u00e2y qu\u00e1 t\u1ea3i \u1edf m\u1ed9t s\u1ed1 \u0111i\u1ec3m.<\/span><\/p>\n

            V\u1edbi g\u00f3c pha thay \u0111\u1ed5i li\u00ean t\u1ee5c, vi\u1ec7c \u0111\u00f3ng m\u00e1y c\u1eaft ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u01b0 m\u00e1y ph\u00e1t \u0111i\u1ec7n, v\u00e0 th\u01b0\u1eddng kh\u00f3 h\u01a1n do t\u1ea7n s\u1ed1 c\u1ee7a m\u1ed9t trong hai h\u1ec7 th\u1ed1ng kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i ch\u1ed7. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed3ng v\u1ecb pha, c\u1ea7n l\u1eafp r\u01a1le h\u00f2a \u0111\u1ed3ng b\u1ed9 ho\u1eb7c r\u01a1le ch\u1ed1ng h\u00f2a sai tr\u00ean m\u00e1y c\u1eaft.<\/span><\/p>\n

            4. C\u00e1c Thao T\u00e1c H\u00f2a \u0110\u1ed3ng B\u1ed9<\/strong><\/h3>\n

            Hi\u1ec7n nay, h\u1ea7u h\u1ebft c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ec1u c\u00f3 h\u1ec7 th\u1ed1ng h\u00f2a \u0111\u1ed3ng b\u1ed9 t\u1ef1 \u0111\u1ed9ng, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh. C\u00e1c thao t\u00e1c th\u1ee7 c\u00f4ng d\u01b0\u1edbi \u0111\u00e2y gi\u00fap l\u00e0m r\u00f5 nguy\u00ean l\u00fd c\u1ee7a \u0111\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/span><\/p>\n

            4.1. Ki\u1ec3m Tra Th\u1ee9 T\u1ef1 Pha<\/strong><\/h4>\n

            \u0110\u1ea3m b\u1ea3o th\u1ee9 t\u1ef1 pha c\u1ee7a c\u1ea3 hai ph\u00eda l\u00e0 ch\u00ednh x\u00e1c. Th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/span><\/p>\n

              \n
            1. <\/span>S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o th\u1ee9 t\u1ef1 pha.<\/span><\/li>\n
            2. <\/span>Ki\u1ec3m tra chi\u1ec1u quay c\u1ee7a \u0111\u1ed9ng c\u01a1 tr\u00ean thanh c\u00e1i khi d\u00f9ng \u0111i\u1ec7n l\u01b0\u1edbi. Sau \u0111\u00f3, ng\u1eaft \u0111i\u1ec7n l\u01b0\u1edbi, \u0111\u00f3ng m\u00e1y ph\u00e1t v\u00e0 ki\u1ec3m tra l\u1ea1i th\u1ee9 t\u1ef1 pha.<\/span><\/li>\n
            3. <\/span>D\u00f9ng V\u00f4n k\u1ebf kim \u0111o \u0111i\u1ec7n \u00e1p khi ch\u01b0a \u0111\u1ed3ng b\u1ed9. M\u1ed9t c\u00e1i \u0111o \u0111i\u1ec7n \u00e1p gi\u1eefa pha A c\u1ee7a m\u00e1y ph\u00e1t v\u00e0 pha A c\u1ee7a l\u01b0\u1edbi, m\u1ed9t c\u00e1i \u0111o l\u1ea7n l\u01b0\u1ee3t gi\u1eefa B m\u00e1y ph\u00e1t \u2013 B l\u01b0\u1edbi v\u00e0 C m\u00e1y ph\u00e1t \u2013 C l\u01b0\u1edbi. Khi m\u00e1y ph\u00e1t ch\u1ea1y, c\u00e1c \u0111\u1ed3ng h\u1ed3 n\u00e0y s\u1ebd \u0111\u1ed3ng th\u1eddi thay \u0111\u1ed5i t\u1eeb 0 \u0111\u1ebfn 2 l\u1ea7n Upha \u0111\u1ecbnh m\u1ee9c. N\u1ebfu v\u1eady, hai \u0111\u1ea7u c\u1ee7a c\u1ea7u dao \u0111\u00fang th\u1ee9 t\u1ef1 pha.<\/span><\/li>\n<\/ol>\n

              N\u1ebfu kh\u00f4ng thay \u0111\u1ed5i \u0111\u1ed3ng th\u1eddi, \u0111\u1ed5i l\u1ea1i m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o A-A, \u0111\u1ed3ng h\u1ed3 c\u00f2n l\u1ea1i \u0111o B m\u00e1y \u2013 C l\u01b0\u1edbi ho\u1eb7c C m\u00e1y \u2013 B l\u01b0\u1edbi. N\u1ebfu c\u00e1c \u0111\u1ed3ng h\u1ed3 n\u00e0y l\u00ean \u0111\u1ed3ng th\u1eddi t\u1ee9c l\u00e0 th\u1ee9 t\u1ef1 c\u1ee7a 2 pha \u0111\u1ea7u ng\u01b0\u1ee3c nhau.<\/span><\/p>\n

              Sau khi ho\u00e0n t\u1ea5t ki\u1ec3m tra, c\u00f3 th\u1ec3 \u0111\u1ea5u n\u1ed1i m\u1ea1ch m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 th\u1ee9 t\u1ef1 pha.<\/span><\/p>\n

              4.2. Ki\u1ec3m Tra \u0110i\u1ec7n \u00c1p<\/strong><\/h4>\n

              S\u1eed d\u1ee5ng 2 V\u00f4n k\u1ebf l\u1eafp \u1edf 2 \u0111\u1ea7u, ho\u1eb7c m\u1ed9t V\u00f4n k\u1ebf \u0111o gi\u1eefa pha A c\u1ee7a m\u00e1y v\u00e0 l\u01b0\u1edbi. Khi \u0111i\u1ec7n th\u1ebf xu\u1ed1ng th\u1ea5p nh\u1ea5t, t\u01b0\u01a1ng \u1ee9ng v\u1edbi g\u00f3c l\u1ec7ch pha = 0. N\u1ebfu \u0111i\u1ec7n th\u1ebf \u1edf 2 \u0111\u1ea7u b\u1eb1ng nhau, \u0111\u1ed3ng h\u1ed3 s\u1ebd hi\u1ec3n th\u1ecb 0V, n\u1ebfu c\u00f3 sai bi\u1ec7t th\u00ec tr\u1ecb s\u1ed1 kh\u00e1c 0.<\/span><\/p>\n

              4.3. Ki\u1ec3m Tra T\u1ea7n S\u1ed1<\/strong><\/h4>\n

              T\u1ea7n s\u1ed1 m\u00e1y ph\u00e1t v\u00e0 t\u1ea7n s\u1ed1 l\u01b0\u1edbi c\u00f3 \u0111\u1ed3ng h\u1ed3 \u0111o ri\u00eang. Tuy nhi\u00ean, \u0111\u1ec3 bi\u1ebft ch\u00ednh x\u00e1c s\u1ef1 ch\u00eanh l\u1ec7ch t\u1ea7n s\u1ed1, c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p sau:<\/span><\/p>\n

                \n
              1. <\/span>S\u1eed d\u1ee5ng \u0111\u1ed3ng b\u1ed9 k\u1ebf: \u0111o g\u00f3c l\u1ec7ch pha gi\u1eefa 2 ngu\u1ed3n \u0111i\u1ec7n. Kim \u0111\u1ed3ng h\u1ed3 \u0111\u1ee9ng y\u00ean n\u1ebfu 2 t\u1ea7n s\u1ed1 b\u1eb1ng nhau, di chuy\u1ec3n nhanh hay ch\u1eadm t\u00f9y theo \u0111\u1ed9 ch\u00eanh l\u1ec7ch.<\/span><\/li>\n
              2. <\/span>D\u1ef1a v\u00e0o \u0111\u00e8n: l\u1eafp \u0111\u00e8n v\u00e0 quan s\u00e1t \u0111\u1ed9 s\u00e1ng t\u1eaft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00eanh l\u1ec7ch t\u1ea7n s\u1ed1. T\u1ed1c \u0111\u1ed9 s\u00e1ng t\u1eaft c\u00e0ng th\u1ea5p, ch\u00eanh l\u1ec7ch c\u00e0ng \u00edt. N\u00ean \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 l\u1ec7ch trong kho\u1ea3ng 0,2 \u0111\u1ebfn 0,1 Hz, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u1ed1c \u0111\u1ed9 ch\u1edbp t\u1eaft 5 \u0111\u1ebfn 10 gi\u00e2y.<\/span><\/li>\n
              3. <\/span>D\u1ef1a v\u00e0o hi\u1ec7u \u1ee9ng ho\u1ea1t nghi\u1ec7m: d\u00f9ng \u0111\u00e8n neon, \u0111\u00e8n hu\u1ef3nh quang ho\u1eb7c \u0111\u00e8n th\u1ee7y ng\u00e2n chi\u1ebfu v\u00e0o tr\u1ee5c quay. T\u00f9y \u0111\u1ed9 l\u1ec7ch t\u1ea7n s\u1ed1, tr\u1ee5c s\u1ebd quay ch\u1eadm h\u01a1n, d\u1eebng l\u1ea1i ho\u1eb7c quay ng\u01b0\u1ee3c chi\u1ec1u. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean kinh nghi\u1ec7m, kh\u00f4ng khuy\u1ebfn kh\u00edch.<\/span><\/li>\n<\/ol>\n

                4.4. Ki\u1ec3m Tra G\u00f3c L\u1ec7ch Pha<\/strong><\/h4>\n

                Nh\u1eadn bi\u1ebft g\u00f3c l\u1ec7ch pha b\u1eb1ng:<\/strong><\/p>\n

                  \n
                1. <\/span>V\u1ecb tr\u00ed kim c\u1ee7a \u0111\u1ed3ng b\u1ed9 k\u1ebf: Kim \u1edf v\u1ecb tr\u00ed cao nh\u1ea5t khi g\u00f3c pha = 0.<\/span><\/li>\n
                2. <\/span>\u0110\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n: G\u00f3c pha = 0 khi \u0111\u00e8n t\u1eaft h\u1eb3n ho\u1eb7c \u00e1nh s\u00e1ng m\u1edd nh\u1ea5t. Tuy nhi\u00ean, \u0111\u1ed9 ch\u00ednh x\u00e1c kh\u00f4ng cao do \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t t\u1eeb d\u00e2y t\u00f3c b\u00f3ng \u0111\u00e8n v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n bi\u1ec7t \u00e1nh s\u00e1ng c\u1ee7a m\u1eaft ng\u01b0\u1eddi.<\/span><\/li>\n
                3. <\/span>S\u1eed d\u1ee5ng V\u00f4n k\u1ebf \u0111\u1ec3 \u0111o ph\u00e1ch: tr\u1ecb s\u1ed1 V\u00f4n k\u1ebf nh\u1ecf nh\u1ea5t khi g\u00f3c pha = 0.<\/span><\/li>\n<\/ol>\n

                  Sau khi ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n tr\u00ean, ch\u00fang ta s\u1ebd c\u00f3:<\/em><\/p>\n

                    \n
                  1. <\/span>U m\u00e1y \u2248 U l\u01b0\u1edbi.<\/em><\/li>\n
                  2. <\/span>T\u1ea7n s\u1ed1 m\u00e1y \u2248 T\u1ea7n s\u1ed1 l\u01b0\u1edbi (cao h\u01a1n).<\/em><\/li>\n
                  3. <\/span>G\u00f3c pha ti\u1ebfn d\u1ea7n \u0111\u1ebfn 0.<\/em><\/li>\n<\/ol>\n

                    5. S\u01a1 \u0110\u1ed3 H\u00f2a \u0110\u1ed3ng B\u1ed9 M\u00e1y Ph\u00e1t \u0110i\u1ec7n<\/strong><\/h3>\n

                    C\u00e1c s\u01a1 \u0111\u1ed3 h\u00f2a \u0111\u1ed3ng b\u1ed9 trong s\u00e1ch l\u00fd thuy\u1ebft r\u1ea5t \u0111\u01a1n gi\u1ea3n; d\u00f9ng \u0111\u00e8n t\u1ed1i, \u0111\u00e8n s\u00e1ng, \u0111\u00e8n quay ho\u1eb7c th\u00eam \u0111\u1ed3ng h\u1ed3 \u0111o.<\/span><\/p>\n

                    5.1. H\u00f2a \u0110\u1ed3ng B\u1ed9 M\u00e1y Ph\u00e1t \u0110i\u1ec7n V\u00e0o Thanh C\u00e1i<\/strong><\/h4>\n

                    S\u01a1 \u0111\u1ed3 h\u00f2a m\u1ed9t m\u00e1y ph\u00e1t v\u00e0o thanh c\u00e1i (\u0111\u00e3 l\u01b0\u1ee3c b\u1ecf c\u00e1c m\u1ea1ch kh\u00f4ng li\u00ean quan):<\/span><\/p>\n

                    \"hoa<\/span><\/p>\n

                    Trong h\u00ecnh, ph\u00eda d\u01b0\u1edbi n\u1ed1i v\u00e0o 3 pha ABC c\u1ee7a m\u00e1y ph\u00e1t, ph\u00eda tr\u00ean n\u1ed1i v\u00e0o ABC c\u1ee7a thanh c\u00e1i. Gi\u1ea3 s\u1eed thanh c\u00e1i m\u00e1y ph\u00e1t v\u00e0 m\u00e1y ph\u00e1t \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng b\u1eb1ng m\u00e1y bi\u1ebfn th\u1ebf \u0111o l\u01b0\u1eddng n\u1ed1i h\u00ecnh V\/V.<\/span><\/p>\n

                    N\u1ed1i \u0111\u1ea5t pha b ph\u00eda th\u1ee9 c\u1ea5p c\u1ee7a c\u1ea3 hai ph\u00eda, n\u1ed1i a1, b1 v\u00e0o m\u1ed9t ph\u00eda c\u1ee7a c\u1ed9t \u0111\u1ed3ng b\u1ed9, a2, b2 v\u00e0o ph\u00eda kia c\u1ee7a c\u1ed9t \u0111\u1ed3ng b\u1ed9, th\u00ec b1 v\u00e0 b2 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau.<\/span><\/p>\n

                    Khi m\u00e1y ph\u00e1t \u0111\u1ed3ng b\u1ed9:<\/span><\/p>\n

                      \n
                    1. <\/span>\u0110i\u1ec7n \u00e1p a1 b\u1eb1ng a2 (V1 = V2).<\/span><\/li>\n
                    2. <\/span>T\u1ea7n s\u1ed1 a1 b\u1eb1ng a2 (Hz1 = Hz2).<\/span><\/li>\n
                    3. <\/span>G\u00f3c pha a1 tr\u00f9ng a2 (SS ch\u1ec9 12 gi\u1edd).<\/span><\/li>\n
                    4. <\/span>2 b\u00f3ng \u0111\u00e8n tr\u00ean c\u1ed9t \u0111\u1ed3ng b\u1ed9 t\u1eaft.<\/span><\/li>\n<\/ol>\n

                      R\u01a1le \u0111\u1ed3ng b\u1ed9 c\u00f3 hai lo\u1ea1i: r\u01a1le t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 v\u00e0 r\u01a1le ki\u1ec3m so\u00e1t \u0111\u1ed3ng b\u1ed9 (ch\u1ed1ng h\u00f2a sai). Khi 3 \u0111i\u1ec1u ki\u1ec7n tr\u00ean th\u1ecfa m\u00e3n, r\u01a1le s\u1ebd xu\u1ea5t l\u1ec7nh \u0111\u00f3ng m\u00e1y c\u1eaft.<\/span><\/p>\n

                      5.2. H\u00f2a \u0110\u1ed3ng B\u1ed9 M\u00e1y Ph\u00e1t \u0110i\u1ec7n V\u00e0o L\u01b0\u1edbi Qua M\u00e1y Bi\u1ebfn \u00c1p<\/strong><\/h4>\n

                      Hi\u1ec7n nay, \u00edt khi ng\u01b0\u1eddi ta n\u1ed1i nhi\u1ec1u m\u00e1y ph\u00e1t v\u00e0o m\u1ed9t thanh c\u00e1i m\u00e1y ph\u00e1t. Khuynh h\u01b0\u1edbng chung l\u00e0 thi\u1ebft k\u1ebf h\u1ee3p b\u1ed9 m\u00e1y ph\u00e1t \u2013 m\u00e1y bi\u1ebfn th\u1ebf. H\u00ecnh d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y m\u00e1y ph\u00e1t n\u1ed1i v\u1edbi m\u00e1y bi\u1ebfn th\u1ebf l\u1ef1c qua m\u00e1y c\u1eaft \u0111\u1ea7u c\u1ef1c.<\/span><\/p>\n

                      M\u00e1y Bi\u1ebfn \u00c1p \u0110\u1ea5u N\u1ed1i Sao \/ Tam Gi\u00e1c 1 Gi\u1edd<\/strong><\/h4>\n

                      \"hoa<\/span><\/p>\n

                      \u0110\u1ec3 ti\u1ebft ki\u1ec7m, ta kh\u00f4ng \u0111\u1eb7t b\u1ed9 bi\u1ebfn th\u1ebf \u0111o l\u01b0\u1eddng trung th\u1ebf \u1edf gi\u1eefa m\u00e1y c\u1eaft v\u00e0 m\u00e1y bi\u1ebfn th\u1ebf m\u00e0 s\u1eed d\u1ee5ng lu\u00f4n b\u1ed9 bi\u1ebfn \u00e1p ph\u00eda cao th\u1ebf \u0111\u1ec3 so s\u00e1nh.<\/span><\/p>\n

                      H\u00ecnh d\u01b0\u1edbi l\u00e0 1 bi\u1ebfn th\u1ebf sao tam gi\u00e1c 1 gi\u1edd. M\u00e1y ph\u00e1t \u0111\u01b0\u1ee3c n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi m\u00e1y bi\u1ebfn \u00e1p, m\u00e1y c\u1eaft \u0111\u1eb7t ph\u00eda cao th\u1ebf. Ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng lu\u00f4n bi\u1ebfn th\u1ebf \u0111o l\u01b0\u1eddng c\u1ee7a m\u00e1y ph\u00e1t \u0111\u1ec3 so s\u00e1nh.<\/span><\/p>\n

                      \"hoa<\/span><\/p>\n

                      \u01afu \u0111i\u1ec3m: ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c m\u1ed9t b\u1ed9 bi\u1ebfn \u00e1p \u0111o l\u01b0\u1eddng (\u0111\u1eaft ti\u1ec1n v\u00e0 t\u1ed1n di\u1ec7n t\u00edch). Tuy nhi\u00ean, n\u1ea3y sinh 2 v\u1ea5n \u0111\u1ec1: pha v\u00e0 bi\u00ean \u0111\u1ed9.<\/span><\/p>\n

                      V\u1ec1 pha, m\u00e1y bi\u1ebfn \u00e1p l\u1ef1c th\u01b0\u1eddng c\u00f3 t\u1ed5 \u0111\u1ea5u d\u00e2y sao \/ tam gi\u00e1c 1 gi\u1edd ho\u1eb7c 11 gi\u1edd, ngh\u0129a l\u00e0 khi \u0111\u1ed3ng b\u1ed9; \u0111i\u1ec7n \u00e1p ph\u00eda cao th\u1ebf v\u00e0 trung th\u1ebf s\u1ebd l\u1ec7ch nhau 30 \u0111\u1ed9. Do \u0111\u00f3, ph\u1ea3i l\u1ea5y t\u00edn hi\u1ec7u sao cho ph\u00f9 h\u1ee3p.<\/span><\/p>\n

                      Nh\u01b0 h\u00ecnh tr\u00ean, ph\u00eda cao th\u1ebf l\u1ea5y \u0111i\u1ec7n \u00e1p a2-n, ph\u00eda h\u1ea1 th\u1ebf l\u1ea5y \u0111i\u1ec7n \u00e1p d\u00e2y a1-b1. C\u00e1ch l\u1ea5y n\u00e0y s\u1ebd b\u00f9 tr\u1eeb pha \u0111\u1ec3 \u0111i\u1ec7n \u00e1p th\u1ee9 c\u1ea5p \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng h\u00f2a c\u0169ng \u0111\u1ed3ng pha.<\/span><\/p>\n

                      V\u1ec1 bi\u00ean \u0111\u1ed9, do ph\u00eda cao th\u1ebf l\u1ea5y \u0111i\u1ec7n th\u1ebf pha n\u00ean b\u1ecb suy gi\u1ea3m \u0111i c\u0103n 3 l\u1ea7n. H\u01a1n n\u1eefa, c\u00e1c t\u1ef7 s\u1ed1 bi\u1ebfn th\u1ebf \u0111o l\u01b0\u1eddng kh\u00f4ng ho\u00e0n to\u00e0n ph\u1ed1i h\u1ee3p v\u1edbi t\u1ef7 s\u1ed1 bi\u1ebfn th\u1ebf l\u1ef1c. Do \u0111\u00f3, c\u1ea7n s\u1eed d\u1ee5ng th\u00eam m\u1ed9t b\u1ed9 bi\u1ebfn th\u1ebf \u0111o l\u01b0\u1eddng ph\u1ee5 \u1edf 1 trong 2 ph\u00eda, th\u01b0\u1eddng \u0111\u1eb7t \u1edf ph\u00eda l\u1ea5y \u0111i\u1ec7n th\u1ebf pha v\u00e0 t\u0103ng th\u1ebf l\u00ean cho \u0111\u1ee7 \u0111\u1ecbnh m\u1ee9c r\u01a1le.<\/span><\/p>\n

                      M\u00e1y Bi\u1ebfn \u00c1p \u0110\u1ea5u N\u1ed1i Sao \/ Tam Gi\u00e1c 11 Gi\u1edd<\/strong><\/h4>\n

                      T\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean, \u0111i\u1ec7n th\u1ebf ph\u00eda cao th\u1ebf \u0111\u01b0\u1ee3c l\u1ea5y \u0111i\u1ec7n th\u1ebf pha; c2-n2, ph\u00eda trung th\u1ebf l\u1ea5y \u0111i\u1ec7n \u00e1p d\u00e2y c1-b1.\u200b<\/span><\/p>\n

                      \"hoa<\/span><\/p>\n

                      III. C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p Th\u1ef1c Hi\u1ec7n H\u00f2a \u0110\u1ed3ng B\u1ed9<\/strong><\/h2>\n

                      C\u00f3 nhi\u1ec1u c\u00e1ch h\u00f2a \u0111\u1ed3ng b\u1ed9 m\u00e1y \u0111i\u1ec7n v\u00e0 g\u1ecdi t\u1ea3i kh\u00e1c nhau. G\u1ecdi t\u1ea3i l\u00e0 khi x\u1ea3y ra thi\u1ebfu t\u1ea3i, c\u00e1c m\u00e1y kh\u00e1c s\u1ebd g\u1ecdi t\u1eebng m\u00e1y ho\u1eb7c v\u00e0i m\u00e1y ch\u1ea1y \u0111\u1ec3 cung c\u1ea5p \u0111\u1ee7 t\u1ea3i. V\u1ec1 h\u00f2a \u0111\u1ed3ng b\u1ed9, hi\u1ec7n nay th\u01b0\u1eddng \u00e1p d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c h\u00f2a cho t\u1eebng m\u00e1y ho\u1eb7c nhi\u1ec1u m\u00e1y.<\/span><\/p>\n

                      1. H\u00f2a \u0110\u1ed3ng B\u1ed9 Ch\u00ednh X\u00e1c<\/strong><\/h3>\n

                      Ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n c\u1ea7n:<\/span><\/p>\n

                        \n
                      1. <\/span>\u0110\u01b0a \u0111i\u1ec7n \u00e1p m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u00f3ng v\u00e0o UF v\u1ec1 tr\u1ecb s\u1ed1 \u0111i\u1ec7n \u00e1p m\u1ea1ng UHT.<\/span><\/li>\n
                      2. <\/span>San b\u1eb1ng t\u1ed1c \u0111\u1ed9 g\u00f3c quay c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u00f3ng v\u00e0o wF v\u00e0 t\u1ed1c \u0111\u1ed9 g\u00f3c quay wHT (wF \u2248 wHT).<\/span><\/li>\n
                      3. <\/span>L\u00e0m cho g\u00f3c pha c\u1ee7a vect\u01a1 \u0111i\u1ec7n \u00e1p m\u00e1y ph\u00e1t v\u00e0 \u0111i\u1ec7n \u00e1p m\u1ea1ng b\u1eb1ng nhau v\u00e0o l\u00fac \u0111\u00f3ng m\u00e1y c\u1eaft. G\u00f3c l\u1ec7ch pha gi\u1eefa c\u00e1c vect\u01a1 \u0111i\u1ec7n \u00e1p m\u00e1y ph\u00e1t v\u00e0 m\u1ea1ng l\u00e0 d \u2248 0.<\/span><\/li>\n<\/ol>\n

                        C\u00e1ch th\u1ef1c hi\u1ec7n: tr\u01b0\u1edbc khi \u0111\u00f3ng song song v\u1edbi c\u00e1c t\u1ed5 m\u00e1y kh\u00e1c, m\u00e1y ph\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c k\u00edch t\u1eeb tr\u01b0\u1edbc. Khi t\u1ed1c \u0111\u1ed9 quay v\u00e0 \u0111i\u1ec7n \u00e1p c\u1ee7a m\u00e1y \u0111\u00f3 v\u00e0 c\u00e1c m\u00e1y kh\u00e1c g\u1ea7n b\u1eb1ng nhau, ch\u1ecdn th\u1eddi \u0111i\u1ec3m thu\u1eadn l\u1ee3i \u0111\u1ec3 \u0111\u00f3ng m\u00e1y ph\u00e1t.<\/span><\/p>\n

                        ** L\u01b0u \u00fd:<\/strong> th\u1eddi \u0111i\u1ec3m \u0111\u00f3 ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 l\u1ec7ch \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c t\u1ed5 m\u00e1y ph\u00e1t \u0111i\u1ec7n g\u1ea7n b\u1eb1ng kh\u00f4ng \u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n c\u00e2n b\u1eb1ng l\u00fac \u0111\u00f3ng t\u1ed5 m\u00e1y c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t.*<\/span><\/p>\n

                        2. H\u00f2a \u0110\u1ed3ng B\u1ed9 T\u1ef1 \u0110\u1ed9ng<\/strong><\/h3>\n

                        Ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n \u0111\u00f3ng m\u00e1y ph\u00e1t \u0111i\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f2a \u0111\u1ed3ng b\u1ed9 t\u1ef1 \u0111\u1ed9ng c\u1ea7n:<\/span><\/p>\n

                          \n
                        1. <\/span>M\u00e1y ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch t\u1eeb (k\u00edch t\u1eeb \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eaft ra b\u1edfi aptomat kh\u1eed t\u1eeb), ph\u1ea3i l\u01b0u \u00fd t\u1ed1c \u0111\u1ed9 quay.<\/span><\/li>\n
                        2. <\/span>Trong qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9, t\u1ed1c \u0111\u1ed9 g\u00f3c quay c\u1ee7a m\u00e1y ph\u00e1t \u0111\u00f3ng v\u00e0o ph\u1ea3i x\u1ea5p x\u1ec9 b\u1eb1ng t\u1ed1c \u0111\u1ed9 g\u00f3c quay c\u1ee7a c\u00e1c m\u00e1y ph\u00e1t \u0111ang l\u00e0m vi\u1ec7c trong c\u00f9ng h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<\/ol>\n

                          C\u00e1ch th\u1ef1c hi\u1ec7n: tr\u01b0\u1edbc khi \u0111\u00f3ng song song v\u1edbi c\u00e1c t\u1ed5 m\u00e1y kh\u00e1c, m\u00e1y ph\u00e1t ch\u01b0a \u0111\u01b0\u1ee3c k\u00edch t\u1eeb. Khi t\u1ed1c \u0111\u1ed9 quay c\u1ee7a m\u00e1y ph\u00e1t \u0111\u00f3 g\u1ea7n b\u1eb1ng t\u1ed1c \u0111\u1ed9 g\u00f3c quay c\u1ee7a c\u00e1c m\u00e1y ph\u00e1t kh\u00e1c, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u00f3ng v\u00e0o. Ngay sau \u0111\u00f3, d\u00f2ng k\u00edch t\u1eeb s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o roto, v\u00e0 m\u00e1y ph\u00e1t s\u1ebd \u0111\u01b0\u1ee3c k\u00e9o v\u00e0o l\u00e0m vi\u1ec7c \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n

                          IV. H\u1eadu Qu\u1ea3 C\u1ee7a Vi\u1ec7c \u0110\u1ed3ng B\u1ed9 L\u1ed7i<\/strong><\/h2>\n

                          N\u1ebfu \u0111\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n kh\u00f4ng ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 g\u00e2y ra:<\/span><\/p>\n

                            \n
                          1. <\/span>H\u01b0 h\u1ecfng m\u00e1y ph\u00e1t v\u00e0 \u0111\u1ed9ng c\u01a1 do \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc g\u00e2y ra b\u1edfi t\u0103ng\/gi\u1ea3m t\u1ed1c nhanh, c\u1ea7n ph\u1ea3i \u0111\u01b0a c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng quay l\u1ea1i \u0111\u1ed3ng b\u1ed9.<\/span><\/li>\n
                          2. <\/span>H\u01b0 h\u1ecfng m\u00e1y ph\u00e1t v\u00e0 c\u1eeda s\u1ed5 bi\u1ebfn \u00e1p do d\u00f2ng \u0111i\u1ec7n cao.<\/span><\/li>\n
                          3. <\/span>G\u00e2y nhi\u1ec5u cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, nh\u01b0 dao \u0111\u1ed9ng v\u00e0 \u0111i\u1ec7n \u00e1p l\u1ec7ch.<\/span><\/li>\n
                          4. <\/span>M\u00e1y ph\u00e1t kh\u00f4ng kh\u1edfi \u0111\u1ed9ng v\u00e0 nh\u1eadn t\u1ea3i, r\u01a1le b\u1ea3o v\u1ec7 x\u00e1c \u0111\u1ecbnh m\u00e1y ph\u00e1t ch\u1ea1y trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng b\u00ecnh th\u01b0\u1eddng, c\u00f3 th\u1ec3 khi\u1ebfn m\u00e1y ph\u00e1t b\u1ecb ng\u1eaft.<\/span><\/li>\n<\/ol>\n

                            N\u1ebfu c\u1ea7n th\u00eam th\u00f4ng tin v\u1ec1 \u0111\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i. <\/span>HME POWER<\/a><\/strong> cung c\u1ea5p d\u1ecbch v\u1ee5 h\u00f2a \u0111\u1ed3ng b\u1ed9 m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u1edbi chi ph\u00ed c\u1ea1nh tranh.<\/span><\/p>\n

                            <\/p>\n","protected":false},"excerpt":{"rendered":"

                            H\u00f2a \u0111\u1ed3ng b\u1ed9 hai ho\u1eb7c nhi\u1ec1u m\u00e1y ph\u00e1t \u0111i\u1ec7n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i song song c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ec3 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n l\u1edbn h\u01a1n khi nhu c\u1ea7u t\u0103ng cao, v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t m\u00e1y ph\u00e1t \u0111\u01a1n l\u1ebb. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n, hi\u1ec3u r\u00f5 nguy\u00ean […]\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1518","post","type-post","status-publish","format-standard","hentry","category-khong-phan-loai"],"_links":{"self":[{"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/posts\/1518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/comments?post=1518"}],"version-history":[{"count":0,"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/posts\/1518\/revisions"}],"wp:attachment":[{"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/media?parent=1518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/categories?post=1518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tiengduc1kem1.edu.vn\/index.php\/wp-json\/wp\/v2\/tags?post=1518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}