{"id":5774,"date":"2023-02-06T15:48:58","date_gmt":"2023-02-06T08:48:58","guid":{"rendered":"https:\/\/solarquangbinh.com\/?p=5774"},"modified":"2023-02-06T15:50:11","modified_gmt":"2023-02-06T08:50:11","slug":"su-khac-biet-giua-bo-dieu-khien-sac-pwm-mppt","status":"publish","type":"post","link":"https:\/\/solarquangbinh.com\/?p=5774","title":{"rendered":"S\u1ef0 KH\u00c1C BI\u1ec6T GI\u1eeeA B\u1ed8 \u0110I\u1ec0U KHI\u1ec2N S\u1ea0C PWM & MPPT?"},"content":{"rendered":"

1. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c PWM v\u00e0 MPPT l\u00e0 g\u00ec?<\/span><\/strong><\/span><\/h2>\n

V\u1ec1 s\u1ef1 gi\u1ed1ng nhau gi\u1eefa b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c\u00a0PWM<\/strong>\u00a0v\u00e0\u00a0MPPT<\/strong>
\nC\u1ea3 hai lo\u1ea1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 c\u1ea3 hai l\u1ef1a ch\u1ecdn n\u00e0y c\u0169ng l\u00e0 tuy\u1ec7t v\u1eddi \u0111\u1ec3 s\u1ea1c pin hi\u1ec7u qu\u1ea3 . Nhi\u1ec7m v\u1ee5 c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c l\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p ra c\u1ee7a PV panel th\u00e0nh \u0111i\u1ec7n \u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 n\u1ea1p cho acquy .<\/p>\n

\"\"<\/p>\n

2. V\u1ec1 s\u1ef1 kh\u00e1c nhau gi\u1eefa b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c PWM v\u00e0 MPPT<\/span><\/strong><\/span><\/h2>\n

a. C\u00f4ng ngh\u1ec7 s\u1ea1c PWM<\/strong><\/span><\/h3>\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c Pulse-Width Modulating (PWM)<\/strong>\u00a0s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111i\u1ec7n t\u00edch \u0111i v\u00e0o \u1eafc quy v\u00e0 t\u1eeb t\u1eeb gi\u1ea3m d\u1ea7n khi \u1eafc quy \u0111\u1ea7y.
\n\u0110i\u1ec1u khi\u1ec3n s\u1ea1c PWM<\/strong>\u00a0v\u1ec1 c\u01a1 b\u1ea3n n\u00f3 gi\u1ed1ng nh\u01b0 switch chuy\u1ec3n \u0111\u1ed5i k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng gi\u00e0n pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0o t\u1ed5 h\u1ee3p \u1eafc quy.<\/p>\n

PWM<\/strong>\u00a0s\u1eed d\u1ee5ng c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed transitor \u0111\u00f3ng c\u1eaft li\u00ean t\u1ee5c v\u1edbi t\u1ea7n s\u1ed1 cao \u0111\u1ec3 \u1ed5n \u00e1p s\u1ea1c cho \u1eafc quy, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u1edbn l\u00e0 l\u00e0m hao ph\u00ed kho\u1ea3ng tr\u00ean d\u01b0\u1edbi 20% l\u01b0\u1ee3ng \u0111i\u1ec7n s\u1ea1c t\u1eeb h\u1ec7 th\u1ed1ng gi\u00e0n pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n

\"CH\u00cdNH<\/a><\/p>\n

b. C\u00f4ng ngh\u1ec7 s\u1ea1c MPPT<\/strong><\/span><\/h3>\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c theo d\u00f5i nhi\u1ec1u \u0111i\u1ec3m (MPPT) (Maximum Power Point Tracker )<\/strong>\u00a0th\u1ef1c t\u1ebf l\u00e0 m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi , n\u00f3 s\u1ebd theo d\u00f5i , gi\u00e1m s\u00e1t \u0111\u1ea7u ra \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng kh\u1edbp \u0111i\u1ec7n \u00e1p m\u00e0 n\u00f3 t\u1ea1o ra v\u1edbi \u0111i\u1ec7n \u00e1p c\u1ee7a \u1eafc quy nh\u1eb1m t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t s\u1ea1c.<\/p>\n

MPPT<\/strong>\u00a0l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u00f2 t\u00ecm \u0111i\u1ec3m l\u00e0m vi\u1ec7c c\u00f3 c\u00f4ng su\u1ea5t t\u1ed1i \u01b0u c\u1ee7a h\u1ec7 th\u1ed1ng ngu\u1ed3n \u0111i\u1ec7n pin m\u1eb7t tr\u1eddi qua vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n chu k\u1ef3 \u0111\u00f3ng m\u1edf kho\u00e1 \u0111i\u1ec7n t\u1eed d\u00f9ng trong b\u1ed9 DC\/DC.<\/p>\n

C\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n s\u1ea1c theo d\u00f5i \u0111i\u1ec3m t\u1ed1i \u0111a\u00a0MPPT<\/strong>\u00a0s\u1ebd gi\u00fap ta thu \u0111\u01b0\u1ee3c nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n t\u1eeb h\u1ec7 th\u1ed1ng gi\u00e0n pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n

Hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u01b0\u1ee3t tr\u1ed9i h\u01a1n kho\u1ea3ng t\u1eeb 10% \u0111\u1ebfn 40% khi c\u00e1c t\u1ea5m pin c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p kho\u1ea3ng d\u01b0\u1edbi 45\u00baC, ho\u1eb7c r\u1ea5t cao khi nhi\u1ec7t \u0111\u1ed9 tr\u00ean 75\u00baC, ho\u1eb7c khi c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 \u00e1nh s\u00e1ng t\u1eeb m\u1eb7t tr\u1eddi th\u1ea5p .<\/p>\n

<\/a><\/p>\n

c. S\u1ef1 kh\u00e1c nhau v\u1ec1 c\u00f4ng ngh\u1ec7 gi\u1eefa s\u1ea1c PWM v\u00e0 MPPT<\/strong><\/span><\/h3>\n

Khi \u1edf \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 th\u1ea5p, \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra c\u1ee7a gi\u00e0n pin n\u0103ng l\u01b0\u1ee3ng s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3. th\u00eam nhi\u1ec1u cell c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0o d\u00e3y pin \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra c\u1ee7a d\u00e3y pin ph\u1ea3i cao h\u01a1n \u0111i\u1ec7n \u00e1p \u1eafc quy.<\/p>\n

\u0110\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec3m y\u1ebfu n\u1ebfu s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n s\u1ea1c\u00a0PWM<\/strong>. Ch\u00ednh v\u00ec th\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n s\u1ea1c\u00a0MPPT<\/strong>, c\u00f3 th\u1ec3 n\u1ed1i ti\u1ebfp nhi\u1ec1u cell pin v\u1edbi nhau \u0111\u1ec3 cho \u0111i\u1ec7n \u00e1p cao h\u01a1n, gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n.<\/p>\n

\u0110i\u1ec1u n\u00e0y gi\u00fap ta gi\u1ea3m chi ph\u00ed c\u1ea7n thi\u1ebft \u0111\u1ec3 mua c\u00e1p \u0111i\u1ec7n, c\u00f9ng v\u1edbi \u0111\u00f3 th\u00ec \u0111i\u1ec7n n\u0103ng th\u1ea5t tho\u00e1t tr\u00ean h\u1ec7 th\u1ed1ng c\u0169ng th\u1ea5p h\u01a1n.<\/p>\n

K\u1ebft lu\u1eadn:<\/strong><\/p>\n

T\u00f9y nhu c\u1ea7u s\u1eed d\u1ee5ng s\u1ea1c \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u00e0 ch\u00fang ta l\u1ef1a ch\u1ecdn s\u1ea1c\u00a0PWM<\/strong>\u00a0v\u00e0\u00a0MPPT<\/strong>\u00a0ph\u00f9 h\u1ee3p v\u1edbi m\u00ecnh. \u0110\u1ed1i v\u1edbi s\u1ea1c th\u00f4ng th\u01b0\u1eddng ch\u00fang ta d\u00f9ng \u0111i\u1ec1u khi\u1ec3n s\u1ea1c\u00a0PWM<\/strong>\u00a0v\u00e0 s\u1ea1c cao c\u1ea5p h\u01a1n ch\u00fang ta d\u00f9ng \u0111i\u1ec1u khi\u1ec3n s\u1ea1c\u00a0MPPT<\/strong><\/p>\n

Hi\u1ec7n nay c\u00e1c h\u00e3ng chuy\u00ean s\u1ea3n xu\u1ea5t s\u1ea1c \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng lu\u00f4n s\u1ea3n xu\u1ea5t song song 2 lo\u1ea1i s\u1ea1c\u00a0PWM<\/strong>\u00a0v\u00e0\u00a0MPPT<\/strong>\u00a0v\u00e0 cao h\u01a1n n\u1eefa l\u00e0 c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t inverter.<\/p>\n

3.<\/strong>EPEVER – Th\u01b0\u01a1ng hi\u1ec7u \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn<\/strong><\/span><\/span><\/h2>\n

M\u1ed9t trong nh\u1eefng h\u00e3ng n\u1ed5i ti\u1ebfng v\u1ec1 c\u00f4ng ngh\u1ec7 \u0111\u00f3 l\u00e0\u00a0Epsolar Technology Co., Ltd<\/strong>\u00a0(th\u00e0nh l\u1eadp v\u00e0o th\u00e1ng 3 n\u0103m 2007 v\u1edbi h\u01a1n 30 tri\u1ec7u RMB v\u1ed1n \u0111\u0103ng k\u00fd, l\u00e0 m\u1ed9t doanh nghi\u1ec7p m\u1edbi v\u00e0 c\u00f4ng ngh\u1ec7 cao chuy\u00ean nghi\u00ean c\u1ee9u, s\u1ea3n xu\u1ea5t v\u00e0 ti\u1ebfp th\u1ecb c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n)<\/p>\n

Th\u01b0\u01a1ng hi\u1ec7u\u00a0EPEVER<\/strong>\u00a0c\u1ee7a\u00a0EPSOLAR<\/strong>\u00a0kh\u00f4ng c\u00f2n xa l\u1ea1 g\u00ec v\u1edbi ng\u00e0nh \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi hi\u1ec7n n\u00e0y. V\u1edbi \u0111a d\u1ea1ng m\u1eabu m\u00e3 v\u00e0 \u0111\u1eb7t bi\u1ec7t l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng tuy\u1ec7t v\u1eddi.<\/p>\n

S\u1ea3n ph\u1ea9m hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c Solar Qu\u1ea3ng B\u00ecnh ph\u00e2n ph\u1ed1i v\u00e0 lu\u00f4n l\u00e0 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u01b0u ti\u00ean khi l\u1ef1a ch\u1ecdn l\u1eafp \u0111\u1eb7t c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi cho h\u1ed9 gia \u0111\u00ecnh, t\u00e0u \u0111\u00e1nh b\u1eaft c\u00e1, b\u01a1m n\u01b0\u1edbc t\u01b0 \u0111\u1ed9ng,… Ch\u00fang t\u00f4i lu\u00f4n kh\u1eb3ng \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng m\u1ecdi nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n

\"\"<\/a><\/p>\n

M\u1eccI CHI TI\u1ebeT XIN VUI L\u00d2NG LI\u00caN H\u1ec6:<\/p>\n

\u0110I\u1ec6N N\u0102NG L\u01af\u1ee2NG M\u1eb6T TR\u1edcI \u2013 SOLAR QU\u1ea2NG B\u00ccNH<\/strong><\/p>\n

\u0110\u1ecba ch\u1ec9<\/strong>: 30 Nguy\u1ec5n H\u1eefu D\u1eadt, TP \u0110\u1ed3ng H\u1edbi, Qu\u1ea3ng B\u00ecnh<\/p>\n

\u0110i\u1ec7n tho\u1ea1i:<\/strong>\u00a00904 539 688 |\u00a0Hotline:<\/strong>\u00a00869 564 567<\/p>\n

Email:<\/strong>\u00a0Solarquangbinh@gmail.com |\u00a0Website:<\/strong>\u00a0www.solarquangbinh.com<\/a>
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