{"id":528,"date":"2026-07-17T06:35:44","date_gmt":"2026-07-17T06:35:44","guid":{"rendered":"https:\/\/n2-compressor.com\/?p=528"},"modified":"2026-09-02T17:54:12","modified_gmt":"2026-09-02T17:54:12","slug":"roi-calculation-upgrading-to-efficient-n2-compressors","status":"publish","type":"post","link":"https:\/\/n2-compressor.com\/vi\/roi-calculation-upgrading-to-efficient-n2-compressors\/","title":{"rendered":"T\u00ednh to\u00e1n l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 (ROI): N\u00e2ng c\u1ea5p l\u00ean m\u00e1y n\u00e9n N2 hi\u1ec7u qu\u1ea3 cao"},"content":{"rendered":"
\n

<\/p>\n

L\u00fd do kinh t\u1ebf cho vi\u1ec7c hi\u1ec7n \u0111\u1ea1i h\u00f3a m\u00e1y n\u00e9n kh\u00ed nit\u01a1<\/h2>\n

C\u00e1c c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p trong c\u00e1c l\u0129nh v\u1ef1c ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m, \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed \u0111ang v\u1eadn h\u00e0nh c\u00e1c m\u00e1y n\u00e9n kh\u00ed nit\u01a1 ti\u00eau th\u1ee5 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n, \u0111\u00f2i h\u1ecfi b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng k\u00e9m tin c\u1eady h\u01a1n so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7n \u0111\u1ea1i. Quy\u1ebft \u0111\u1ecbnh n\u00e2ng c\u1ea5p kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t kho\u1ea3n chi ph\u00ed \u0111\u1ea7u t\u01b0 m\u00e0 c\u00f2n l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 chi\u1ebfn l\u01b0\u1ee3c v\u1edbi l\u1ee3i nhu\u1eadn c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p m\u1ed9t khu\u00f4n kh\u1ed5 ch\u1eb7t ch\u1ebd \u0111\u1ec3... T\u00ednh to\u00e1n l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 khi n\u00e2ng c\u1ea5p l\u00ean m\u00e1y n\u00e9n kh\u00ed nit\u01a1 hi\u1ec7u qu\u1ea3 cao.<\/strong>V\u01b0\u1ee3t ra kh\u1ecfi nh\u1eefng kho\u1ea3ng th\u1eddi gian ho\u00e0n v\u1ed1n \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 h\u01b0\u1edbng \u0111\u1ebfn ph\u00e2n t\u00edch t\u00e0i ch\u00ednh to\u00e0n di\u1ec7n, bao g\u1ed3m ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec, t\u0103ng n\u0103ng su\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p lu\u1eadn \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y \u1edf \u0111\u00e2y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c gi\u00e1m \u0111\u1ed1c t\u00e0i ch\u00ednh, qu\u1ea3n l\u00fd nh\u00e0 m\u00e1y v\u00e0 gi\u00e1m \u0111\u1ed1c k\u1ef9 thu\u1eadt, nh\u1eefng ng\u01b0\u1eddi ph\u1ea3i ch\u1ee9ng minh t\u00ednh kh\u1ea3 thi c\u1ee7a c\u00e1c d\u1ef1 \u00e1n \u0111\u1ea7u t\u01b0 v\u1ed1n tr\u01b0\u1edbc h\u1ed9i \u0111\u1ed3ng qu\u1ea3n tr\u1ecb, nh\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0 tr\u1ee5 s\u1edf ch\u00ednh c\u1ee7a c\u00f4ng ty. N\u00f3 cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y n\u00e9n th\u00e0nh c\u00e1c k\u1ebf ho\u1ea1ch kinh doanh thuy\u1ebft ph\u1ee5c v\u1edbi c\u00e1c d\u1ef1 b\u00e1o t\u00e0i ch\u00ednh c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c.<\/p>\n

\"Energy<\/p>\n

<\/p>\n

Hi\u1ec3u r\u00f5 chi ph\u00ed th\u1ef1c s\u1ef1 c\u1ee7a vi\u1ec7c v\u1eadn h\u00e0nh m\u00e1y n\u00e9n kh\u00ed nit\u01a1 \u0111\u00e3 c\u0169<\/h2>\n

Tr\u01b0\u1edbc khi t\u00ednh to\u00e1n l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 (ROI) khi n\u00e2ng c\u1ea5p, ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u01a1 s\u1edf ph\u1ea3i hi\u1ec3u r\u00f5 to\u00e0n b\u1ed9 g\u00e1nh n\u1eb7ng chi ph\u00ed c\u1ee7a thi\u1ebft b\u1ecb n\u00e9n kh\u00ed nit\u01a1 hi\u1ec7n c\u00f3. Gi\u00e1 mua m\u00e1y n\u00e9n ban \u0111\u1ea7u, th\u01b0\u1eddng \u0111\u01b0\u1ee3c kh\u1ea5u hao ho\u00e0n to\u00e0n sau 10-15 n\u0103m, tr\u1edf n\u00ean kh\u00f4ng c\u00f2n quan tr\u1ecdng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh h\u00e0ng n\u0103m ti\u1ebfp t\u1ee5c l\u00e0m hao h\u1ee5t ng\u00e2n s\u00e1ch b\u1ea3o tr\u00ec v\u00e0 h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n n\u0103m n\u00e0y qua n\u0103m kh\u00e1c.<\/p>\n

Chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng t\u0103ng cao:<\/strong> M\u00e1y n\u00e9n c\u0169 m\u1ea5t hi\u1ec7u su\u1ea5t do hao m\u00f2n, b\u00e1m c\u1eb7n v\u00e0 thi\u1ebft k\u1ebf l\u1ed7i th\u1eddi. M\u1ed9t m\u00e1y n\u00e9n c\u00f3 hi\u1ec7u su\u1ea5t 0,18 kWh\/Nm\u00b3 khi m\u1edbi c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 0,24-0,28 kWh\/Nm\u00b3 sau 15 n\u0103m ho\u1ea1t \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi m\u1ed9t c\u01a1 s\u1edf ti\u00eau th\u1ee5 2.000.000 Nm\u00b3\/n\u0103m v\u1edbi gi\u00e1 $0,12\/kWh, s\u1ef1 suy gi\u1ea3m hi\u1ec7u su\u1ea5t n\u00e0y l\u00e0m t\u0103ng th\u00eam $144.000-$240.000 chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng h\u00e0ng n\u0103m so v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb m\u1edbi, \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch. Trong d\u1ef1 b\u00e1o 20 n\u0103m, gi\u1ea3 s\u1eed l\u1ea1m ph\u00e1t \u0111i\u1ec7n h\u00e0ng n\u0103m l\u00e0 3%, t\u1ed5ng chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng ti\u00eau hao t\u1eeb m\u1ed9t m\u00e1y n\u00e9n c\u0169 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 $4 tri\u1ec7u.<\/p>\n

L\u1ea1m ph\u00e1t chi ph\u00ed b\u1ea3o tr\u00ec:<\/strong> Khi m\u00e1y n\u00e9n kh\u00ed c\u0169 \u0111i, t\u1ea7n su\u1ea5t v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec t\u0103ng l\u00ean m\u1ed9t c\u00e1ch kh\u00f4ng tuy\u1ebfn t\u00ednh. Chu k\u1ef3 thay th\u1ebf van r\u00fat ng\u1eafn t\u1eeb 8.000 gi\u1edd xu\u1ed1ng c\u00f2n 4.000 gi\u1edd. \u0110\u1ed9 m\u00e0i m\u00f2n v\u00f2ng piston t\u0103ng nhanh. V\u00f2ng bi c\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf th\u01b0\u1eddng xuy\u00ean h\u01a1n. L\u01b0\u1ee3ng ti\u00eau th\u1ee5 d\u1ea7u t\u0103ng l\u00ean. Kh\u1ea3 n\u0103ng t\u00ecm mua ph\u1ee5 t\u00f9ng cho c\u00e1c m\u1eabu m\u00e1y l\u1ed7i th\u1eddi gi\u1ea3m, bu\u1ed9c ph\u1ea3i ch\u1ebf t\u1ea1o theo y\u00eau c\u1ea7u v\u1edbi chi ph\u00ed cao ho\u1eb7c th\u1eddi gian ch\u1edd \u0111\u1ee3i l\u00e2u. M\u1ed9t m\u00e1y n\u00e9n kh\u00ed c\u00f3 chi ph\u00ed b\u1ea3o tr\u00ec h\u00e0ng n\u0103m l\u00e0 15.000 b\u1ea3ng Anh v\u00e0o n\u0103m th\u1ee9 5 c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed t\u1eeb 35.000 \u0111\u1ebfn 50.000 b\u1ea3ng Anh m\u1ed7i n\u0103m v\u00e0o n\u0103m th\u1ee9 15. \u0110\u01b0\u1eddng cong chi ph\u00ed b\u1ea3o tr\u00ec l\u00e0 h\u00e0m m\u0169, kh\u00f4ng ph\u1ea3i tuy\u1ebfn t\u00ednh.<\/p>\n

Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed5n th\u1ea5t s\u1ea3n xu\u1ea5t:<\/strong> C\u00e1c m\u00e1y n\u00e9n kh\u00ed c\u0169 th\u01b0\u1eddng xuy\u00ean g\u1eb7p s\u1ef1 c\u1ed1 v\u00e0 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc. M\u1ed7i l\u1ea7n ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9t xu\u1ea5t \u0111\u1ec1u l\u00e0m gi\u00e1n \u0111o\u1ea1n s\u1ea3n xu\u1ea5t, k\u00edch ho\u1ea1t b\u1ea3o tr\u00ec kh\u1ea9n c\u1ea5p v\u00e0 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u thu\u00ea m\u00e1y n\u00e9n kh\u00ed v\u1edbi gi\u00e1 cao. Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c, ch\u1ec9 m\u1ed9t l\u1ea7n gi\u00e1n \u0111o\u1ea1n ngu\u1ed3n cung c\u1ea5p nit\u01a1 trong 24 gi\u1edd c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y c\u00e1c l\u00f4 s\u1ea3n ph\u1ea9m tr\u1ecb gi\u00e1 100.000-1500.000 s\u1ea3n ph\u1ea9m, g\u00e2y ra c\u00e1c kho\u1ea3n ph\u1ea1t cho kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u00f2i h\u1ecfi nhi\u1ec1u ng\u00e0y kh\u1edfi \u0111\u1ed9ng l\u1ea1i v\u00e0 ki\u1ec3m \u0111\u1ecbnh l\u1ea1i. Chi ph\u00ed do th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng th\u01b0\u1eddng l\u00e0 kho\u1ea3n chi ph\u00ed \u1ea9n l\u1edbn nh\u1ea5t khi v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb c\u0169.<\/p>\n

R\u1ee7i ro v\u1ec1 quy \u0111\u1ecbnh v\u00e0 tu\u00e2n th\u1ee7:<\/strong> C\u00e1c m\u00e1y n\u00e9n kh\u00ed c\u0169 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u1ec1 kh\u00ed th\u1ea3i, ti\u1ebfng \u1ed3n ho\u1eb7c an to\u00e0n. N\u00e2ng c\u1ea5p l\u00ean thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i c\u00f3 ch\u1ee9ng nh\u1eadn hi\u1ec7n h\u00e0nh (CE, PED, ATEX, ISO 8573-1) s\u1ebd lo\u1ea1i b\u1ecf r\u1ee7i ro v\u1ec1 m\u1eb7t ph\u00e1p l\u00fd v\u00e0 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n nh\u1eadn c\u00e1c \u01b0u \u0111\u00e3i v\u1ec1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c t\u00edn d\u1ee5ng gi\u1ea3m ph\u00e1t th\u1ea3i carbon. Chi ph\u00ed do kh\u00f4ng tu\u00e2n th\u1ee7 \u2013 bao g\u1ed3m ti\u1ec1n ph\u1ea1t, m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o hi\u1ec3m v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf v\u1eadn h\u00e0nh \u2013 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 chi ph\u00ed thay th\u1ebf.<\/p>\n

M\u1ee9c c\u01a1 s\u1edf \u0111\u1ec3 t\u00ednh to\u00e1n l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 (ROI) ph\u1ea3i bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 chi ph\u00ed n\u00e0y, kh\u00f4ng ch\u1ec9 ri\u00eang ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. M\u1ed9t m\u1ee9c c\u01a1 s\u1edf to\u00e0n di\u1ec7n s\u1ebd ph\u1ea3n \u00e1nh g\u00e1nh n\u1eb7ng t\u00e0i ch\u00ednh th\u1ef1c s\u1ef1 c\u1ee7a t\u00ecnh tr\u1ea1ng hi\u1ec7n t\u1ea1i, khi\u1ebfn cho vi\u1ec7c n\u00e2ng c\u1ea5p tr\u1edf n\u00ean thuy\u1ebft ph\u1ee5c ngay c\u1ea3 khi th\u1eddi gian ho\u00e0n v\u1ed1n \u0111\u01a1n gi\u1ea3n c\u00f3 v\u1ebb kh\u00f4ng \u0111\u00e1ng k\u1ec3. \u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf \u0111ang t\u00ecm ki\u1ebfm... ph\u00e2n t\u00edch n\u00e2ng c\u1ea5p m\u00e1y n\u00e9n kh\u00ed nit\u01a1 chuy\u00ean nghi\u1ec7p<\/a>Vi\u1ec7c b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t cu\u1ed9c ki\u1ec3m to\u00e1n chi ti\u1ebft v\u1ec1 chi ph\u00ed c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3 l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean c\u00f3 gi\u00e1 tr\u1ecb nh\u1ea5t.<\/p>\n

\"LW<\/p>\n

<\/p>\n

Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng: Y\u1ebfu t\u1ed1 ch\u00ednh th\u00fac \u0111\u1ea9y l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 n\u00e2ng c\u1ea5p<\/h2>\n

M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng chi\u1ebfm ph\u1ea7n l\u1edbn chi ph\u00ed v\u00f2ng \u0111\u1eddi c\u1ee7a m\u00e1y n\u00e9n kh\u00ed nit\u01a1, chi\u1ebfm t\u1eeb 70-801 t\u1ea5n \u0111\u1ebfn 3 t\u1ea5n t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu. Do \u0111\u00f3, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh th\u00fac \u0111\u1ea9y l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 (ROI) khi n\u00e2ng c\u1ea5p, v\u00e0 vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch ch\u1eb7t ch\u1ebd v\u00e0 c\u00f3 c\u01a1 s\u1edf.<\/p>\n

So s\u00e1nh m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee5 th\u1ec3:<\/strong> Ch\u1ec9 s\u1ed1 quan tr\u1ecdng l\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng ri\u00eang (SEC), \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng kWh tr\u00ean Nm\u00b3 kh\u00ed nit\u01a1 n\u00e9n. C\u00e1c m\u00e1y n\u00e9n hi\u1ec7n \u0111\u1ea1i hi\u1ec7u qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb SEC th\u1ea5p h\u01a1n 15-30% so v\u1edbi thi\u1ebft b\u1ecb t\u1eeb 10-15 n\u0103m tr\u01b0\u1edbc. Nh\u1eefng c\u1ea3i ti\u1ebfn \u0111i\u1ec3n h\u00ecnh:<\/p>\n

\n\n\n\n\n\n\n\n\n
C\u00f4ng ngh\u1ec7 m\u00e1y n\u00e9n<\/th>\nSEC \u0111i\u1ec3n h\u00ecnh (Phi\u00ean b\u1ea3n c\u0169)<\/th>\nSEC \u0111i\u1ec3n h\u00ecnh (Hi\u1ec7n \u0111\u1ea1i)<\/th>\nC\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
Chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn (30 bar)<\/td>\n0,22 \u2013 0,28 kWh\/Nm\u00b3<\/td>\n0,18 \u2013 0,22 kWh\/Nm\u00b3<\/td>\n15 \u2013 25%<\/td>\n<\/tr>\n
V\u00edt (10 bar)<\/td>\n0,18 \u2013 0,24 kWh\/Nm\u00b3<\/td>\n0,14 \u2013 0,18 kWh\/Nm\u00b3<\/td>\n18 \u2013 28%<\/td>\n<\/tr>\n
Ly t\u00e2m (50 bar)<\/td>\n0,16 \u2013 0,22 kWh\/Nm\u00b3<\/td>\n0,12 \u2013 0,16 kWh\/Nm\u00b3<\/td>\n20 \u2013 30%<\/td>\n<\/tr>\n
V\u00edt trang b\u1ecb VSD<\/td>\n0,20 \u2013 0,26 kWh\/Nm\u00b3 (t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh)<\/td>\n0,15 \u2013 0,19 kWh\/Nm\u00b3 (t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i)<\/td>\n22 \u2013 32%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a nhi\u1ec1u ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7: t\u1ef7 l\u1ec7 n\u00e9n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, thi\u1ebft k\u1ebf van v\u00e0 c\u1eeda n\u1ea1p \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn, dung sai s\u1ea3n xu\u1ea5t ch\u1eb7t ch\u1ebd h\u01a1n, ch\u1ea5t b\u00f4i tr\u01a1n ti\u00ean ti\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng t\u1ed1c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i gi\u00fap \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u thay v\u00ec lu\u00e2n phi\u00ean gi\u1eefa t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a v\u00e0 kh\u00f4ng t\u1ea3i.<\/p>\n

T\u00ednh to\u00e1n m\u1ee9c ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u00e0ng n\u0103m:<\/strong> T\u00ednh to\u00e1n m\u1ee9c ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u00e0ng n\u0103m b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng:<\/p>\n

Ti\u1ebft ki\u1ec7m h\u00e0ng n\u0103m = L\u01b0\u1ee3ng nit\u01a1 h\u00e0ng n\u0103m \u00d7 (SEC_legacy \u2013 SEC_new) \u00d7 Gi\u00e1 \u0111i\u1ec7n<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t c\u01a1 s\u1edf ti\u00eau th\u1ee5 3.000.000 Nm\u00b3\/n\u0103m, vi\u1ec7c n\u00e2ng c\u1ea5p t\u1eeb m\u00e1y n\u00e9n kh\u00ed ki\u1ec3u c\u0169 v\u1edbi hi\u1ec7u su\u1ea5t 0,25 kWh\/Nm\u00b3 l\u00ean m\u1ed9t thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i v\u1edbi hi\u1ec7u su\u1ea5t 0,19 kWh\/Nm\u00b3, s\u1eed d\u1ee5ng \u0111i\u1ec7n v\u1edbi gi\u00e1 $0,12\/kWh:<\/p>\n

Ti\u1ebft ki\u1ec7m h\u00e0ng n\u0103m = 3.000.000 \u00d7 (0,25 \u2013 0,19) \u00d7 0,12 = $216.000 m\u1ed7i n\u0103m<\/p>\n

Trong h\u01a1n 20 n\u0103m v\u1edbi m\u1ee9c l\u1ea1m ph\u00e1t \u0111i\u1ec7n h\u00e0ng n\u0103m l\u00e0 3%, t\u1ed5ng l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 $5,8 tri\u1ec7u.<\/p>\n

T\u0103ng hi\u1ec7u su\u1ea5t khi t\u1ea3i m\u1ed9t ph\u1ea7n:<\/strong> Nhi\u1ec1u c\u01a1 s\u1edf v\u1eadn h\u00e0nh m\u00e1y n\u00e9n \u1edf ch\u1ebf \u0111\u1ed9 t\u1ea3i m\u1ed9t ph\u1ea7n trong ph\u1ea7n l\u1edbn th\u1eddi gian trong n\u0103m. C\u00e1c m\u00e1y n\u00e9n t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh ki\u1ec3u c\u0169 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ea3i\/kh\u00f4ng t\u1ea3i k\u00e9m hi\u1ec7u qu\u1ea3, ti\u00eau th\u1ee5 60-70% c\u00f4ng su\u1ea5t \u1edf ch\u1ebf \u0111\u1ed9 t\u1ea3i \u0111\u1ea7y \u0111\u1ee7 khi kh\u00f4ng t\u1ea3i. C\u00e1c m\u00e1y n\u00e9n VSD hi\u1ec7n \u0111\u1ea1i gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi l\u01b0u l\u01b0\u1ee3ng. \u1ede m\u1ee9c t\u1ea3i 50%, m\u00e1y n\u00e9n VSD c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 45-55% c\u00f4ng su\u1ea5t \u1edf ch\u1ebf \u0111\u1ed9 t\u1ea3i \u0111\u1ea7y \u0111\u1ee7, so v\u1edbi 65-75% \u0111\u1ed1i v\u1edbi m\u00e1y n\u00e9n t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh c\u00f3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ea3i\/kh\u00f4ng t\u1ea3i. \u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf c\u00f3 nhu c\u1ea7u bi\u1ebfn \u0111\u1ed5i, hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 t\u1ea3i m\u1ed9t ph\u1ea7n c\u00f3 th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 t\u1ea3i \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

Gi\u00e1 tr\u1ecb thu h\u1ed3i nhi\u1ec7t:<\/strong> C\u00e1c m\u00e1y n\u00e9n hi\u1ec7n \u0111\u1ea1i th\u1ea3i ra 60-80% n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t. Vi\u1ec7c thu h\u1ed3i nhi\u1ec7t n\u00e0y \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m kh\u00f4ng gian, l\u00e0m n\u00f3ng s\u01a1 b\u1ed9 n\u01b0\u1edbc trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t ho\u1eb7c l\u00e0m l\u1ea1nh h\u1ea5p th\u1ee5 s\u1ebd l\u00e0m gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng r\u00f2ng. M\u1ed9t m\u00e1y n\u00e9n 100 kW th\u1ea3i ra kho\u1ea3ng 70 kW nhi\u1ec7t. N\u1ebfu 50% nhi\u1ec7t n\u00e0y \u0111\u01b0\u1ee3c thu h\u1ed3i \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m c\u01a1 s\u1edf v\u1edbi gi\u00e1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng $0.05\/kWh, gi\u00e1 tr\u1ecb thu h\u1ed3i nhi\u1ec7t h\u00e0ng n\u0103m l\u00e0:<\/p>\n

70 kW \u00d7 0,50 \u00d7 8.000 gi\u1edd \u00d7 $0,05\/kWh = $14.000 m\u1ed7i n\u0103m<\/p>\n

H\u1ec7 th\u1ed1ng thu h\u1ed3i nhi\u1ec7t l\u00e0m t\u0103ng th\u00eam $5,000-$15,000 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u nh\u01b0ng s\u1ebd ho\u00e0n v\u1ed1n trong v\u00f2ng 1-2 n\u0103m \u0111\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf ti\u00eau th\u1ee5 nhi\u1ec7t cao.<\/p>\n

\"DW<\/p>\n

<\/p>\n

Gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec: Y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 th\u1ee9 c\u1ea5p<\/h2>\n

M\u1eb7c d\u00f9 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t v\u1ec1 m\u1eb7t kinh t\u1ebf khi n\u00e2ng c\u1ea5p, vi\u1ec7c gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec mang l\u1ea1i l\u1ee3i \u00edch th\u1ee9 c\u1ea5p \u0111\u00e1ng k\u1ec3, c\u1ee7ng c\u1ed1 th\u00eam t\u00ednh kh\u1ea3 thi c\u1ee7a d\u1ef1 \u00e1n. M\u00e1y n\u00e9n kh\u00ed m\u1edbi v\u1edbi thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i, v\u1eadt li\u1ec7u c\u1ea3i ti\u1ebfn v\u00e0 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t d\u1ef1 \u0111o\u00e1n gi\u00fap gi\u1ea3m c\u1ea3 t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec v\u00e0 chi ph\u00ed cho m\u1ed7i l\u1ea7n b\u1ea3o tr\u00ec.<\/p>\n

Gi\u1ea3m t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec:<\/strong> C\u00e1c thi\u1ebft k\u1ebf m\u00e1y n\u00e9n hi\u1ec7n \u0111\u1ea1i gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd linh ki\u1ec7n nh\u1edd c\u1ea3i ti\u1ebfn v\u1eadt li\u1ec7u, s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh:<\/p>\n