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<\/h1>\n<\/h1>\nKhi l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/strong>, nhi\u1ec1u ng\u01b0\u1eddi ch\u1ec9 quan t\u00e2m \u0111\u1ebfn c\u00f4ng su\u1ea5t ghi tr\u00ean nh\u00e3n c\u1ee7a t\u1ea5m pin, ch\u1eb3ng h\u1ea1n 450W, 550W hay 700W<\/strong>. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf, c\u00e1c t\u1ea5m pin r\u1ea5t hi\u1ebfm khi \u0111\u1ea1t \u0111\u00fang m\u1ee9c c\u00f4ng su\u1ea5t n\u00e0y do \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng lu\u00f4n thay \u0111\u1ed5i, \u0111\u1eb7c bi\u1ec7t l\u00e0 nhi\u1ec7t \u0111\u1ed9<\/strong>.<\/p>\n \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do v\u00ec sao h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi th\u1ef1c t\u1ebf th\u01b0\u1eddng cho s\u1ea3n l\u01b0\u1ee3ng th\u1ea5p h\u01a1n so v\u1edbi c\u00f4ng su\u1ea5t danh \u0111\u1ecbnh.<\/p>\n Nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1 c\u00f4ng su\u1ea5t c\u1ee7a t\u1ea5m pin d\u1ef1a tr\u00ean Standard Test Conditions (STC)<\/strong>, bao g\u1ed3m:<\/p>\n \u0110\u00e2y l\u00e0 \u0111i\u1ec1u ki\u1ec7n trong ph\u00f2ng th\u00ed nghi\u1ec7m nh\u1eb1m t\u1ea1o ra ti\u00eau chu\u1ea9n chung \u0111\u1ec3 so s\u00e1nh gi\u1eefa c\u00e1c lo\u1ea1i t\u1ea5m pin.<\/p>\n Tuy nhi\u00ean, ngo\u00e0i th\u1ef1c t\u1ebf:<\/p>\n Do \u0111\u00f3, c\u00f4ng su\u1ea5t ph\u00e1t \u0111i\u1ec7n th\u1ef1c t\u1ebf s\u1ebd th\u1ea5p h\u01a1n c\u00f4ng su\u1ea5t ghi tr\u00ean nh\u00e3n.<\/p>\n Pin m\u1eb7t tr\u1eddi ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u b\u00e1n d\u1eabn.<\/p>\n Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng:<\/p>\n N\u00f3i c\u00e1ch kh\u00e1c:<\/p>\n Pin c\u00e0ng n\u00f3ng th\u00ec hi\u1ec7u su\u1ea5t c\u00e0ng gi\u1ea3m.<\/strong><\/p>\n<\/blockquote>\n \u0110\u00e2y l\u00e0 \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a m\u1ecdi lo\u1ea1i pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n Temperature Coefficient (H\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9) cho bi\u1ebft c\u00f4ng su\u1ea5t thay \u0111\u1ed5i bao nhi\u00eau khi nhi\u1ec7t \u0111\u1ed9 t\u1ebf b\u00e0o pin t\u0103ng ho\u1eb7c gi\u1ea3m so v\u1edbi m\u1ee9c chu\u1ea9n 25\u00b0C<\/strong>.<\/p>\n Th\u00f4ng th\u01b0\u1eddng:<\/p>\n \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a:<\/p>\n N\u1ebfu h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 l\u00e0 -0.35%\/\u00b0C<\/strong>, m\u1ed7i khi nhi\u1ec7t \u0111\u1ed9 cell t\u0103ng th\u00eam 1\u00b0C<\/strong>, c\u00f4ng su\u1ea5t s\u1ebd gi\u1ea3m 0.35%<\/strong>.<\/p>\n V\u00ed d\u1ee5:<\/p>\n Ch\u00eanh l\u1ec7ch:<\/p>\n 20\u00b0C<\/p>\n T\u1ed5n hao c\u00f4ng su\u1ea5t:<\/p>\n 20 \u00d7 0.35%<\/p>\n \u2248 7%<\/strong><\/p>\n Trong th\u1ef1c t\u1ebf, nhi\u1ec7t \u0111\u1ed9 cell lu\u00f4n cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed.<\/p>\n \u0110\u1ec3 \u01b0\u1edbc t\u00ednh nhi\u1ec7t \u0111\u1ed9 n\u00e0y, nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p th\u00f4ng s\u1ed1:<\/p>\n NOCT l\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh danh \u0111\u1ecbnh c\u1ee7a t\u1ebf b\u00e0o pin trong \u0111i\u1ec1u ki\u1ec7n:<\/p>\n C\u00f4ng th\u1ee9c t\u00ednh g\u1ea7n \u0111\u00fang:<\/p>\n Tcell = Tambient + (NOCT \u2212 20) \u00d7 (Irradiance \/ 800)<\/strong><\/p>\n Trong \u0111\u00f3:<\/p>\n Khi:<\/p>\n => T\u1ea5m pin s\u1ebd n\u00f3ng h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t gi\u1ea3m nhi\u1ec1u h\u01a1n.<\/p>\n Gi\u1ea3 s\u1eed:<\/p>\n Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9:<\/p>\n 60 \u2212 25 = 35\u00b0C<\/strong><\/p>\n T\u1ed5n hao:<\/p>\n 35 \u00d7 0.35%<\/p>\n \u2248 12.25%<\/strong><\/p>\n C\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf:<\/p>\n 4000 \u00d7 (1 \u2212 12.25%)<\/p>\n \u2248 3510\u20133520W<\/strong><\/p>\n Nh\u01b0 v\u1eady, ch\u1ec9 ri\u00eang \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u00e3 l\u00e0m h\u1ec7 th\u1ed1ng m\u1ea5t g\u1ea7n 500W<\/strong> c\u00f4ng su\u1ea5t.<\/p>\n Kho\u1ea3ng c\u00e1ch t\u1eeb 10\u201320 cm<\/strong> gi\u00fap kh\u00f4ng kh\u00ed l\u01b0u th\u00f4ng ph\u00eda d\u01b0\u1edbi t\u1ea5m pin, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh.<\/p>\n M\u00e1i nh\u00e0 m\u00e0u s\u00e1ng ph\u1ea3n x\u1ea1 nhi\u1ec7t t\u1ed1t h\u01a1n, gi\u00fap gi\u1ea3m nhi\u1ec7t truy\u1ec1n l\u00ean t\u1ea5m pin.<\/p>\n C\u00e1c d\u00f2ng:<\/p>\n th\u01b0\u1eddng c\u00f3 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 t\u1ed1t h\u01a1n so v\u1edbi pin Mono PERC truy\u1ec1n th\u1ed1ng.<\/p>\n \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 l\u1ee3i t\u1ea1i Vi\u1ec7t Nam, n\u01a1i nhi\u1ec7t \u0111\u1ed9 cao quanh n\u0103m.<\/p>\n T\u1ea5m pin c\u00f3 g\u00f3c nghi\u00eang ph\u00f9 h\u1ee3p:<\/p>\n Vi\u1ec7t Nam c\u00f3 kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi.<\/p>\n Trong nhi\u1ec1u ng\u00e0y n\u1eafng n\u00f3ng:<\/p>\n Do \u0111\u00f3, c\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng th\u01b0\u1eddng th\u1ea5p h\u01a1n c\u00f4ng su\u1ea5t danh \u0111\u1ecbnh t\u1eeb 10\u201315%<\/strong>.<\/p>\n \u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng v\u00e0 lu\u00f4n \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 s\u01b0 t\u00ednh to\u00e1n khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n Vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u00fang t\u1ed5n hao nhi\u1ec7t gi\u00fap:<\/p>\n Nhi\u1ec7t \u0111\u1ed9 l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u1edbn nh\u1ea5t \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ea5m pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Khi nhi\u1ec7t \u0111\u1ed9 t\u1ebf b\u00e0o pin v\u01b0\u1ee3t qu\u00e1 25\u00b0C<\/strong>, c\u00f4ng su\u1ea5t s\u1ebd gi\u1ea3m kho\u1ea3ng 0,3\u20130,5% cho m\u1ed7i 1\u00b0C t\u0103ng th\u00eam<\/strong>, t\u00f9y theo c\u00f4ng ngh\u1ec7 v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n \u0110\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi, c\u1ea7n l\u1ef1a ch\u1ecdn t\u1ea5m pin c\u00f3 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, thi\u1ebft k\u1ebf kho\u1ea3ng th\u00f4ng gi\u00f3 h\u1ee3p l\u00fd v\u00e0 t\u00ednh to\u00e1n t\u1ed5n hao ngay t\u1eeb giai \u0111o\u1ea1n thi\u1ebft k\u1ebf. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, d\u1ef1 b\u00e1o s\u1ea3n l\u01b0\u1ee3ng ch\u00ednh x\u00e1c v\u00e0 mang l\u1ea1i hi\u1ec7u qu\u1ea3 \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i.<\/p>\n Kh\u00f4ng. T\u1ea5m pin \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao, nh\u01b0ng c\u00f4ng su\u1ea5t ph\u00e1t \u0111i\u1ec7n s\u1ebd gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u1ebf b\u00e0o t\u0103ng.<\/p>\n
\nC\u00f4ng su\u1ea5t t\u1ea5m pin \u0111\u01b0\u1ee3c \u0111o trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n (STC)<\/h1>\n
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\nV\u00ec sao nhi\u1ec7t \u0111\u1ed9 l\u00e0m gi\u1ea3m c\u00f4ng su\u1ea5t pin m\u1eb7t tr\u1eddi?<\/h1>\n
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\nTemperature Coefficient l\u00e0 g\u00ec?<\/h1>\n
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\nC\u00e1ch \u01b0\u1edbc t\u00ednh nhi\u1ec7t \u0111\u1ed9 t\u1ebf b\u00e0o pin b\u1eb1ng NOCT<\/h1>\n
NOCT (Nominal Operating Cell Temperature)<\/h2>\n
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\nV\u00ed d\u1ee5 t\u00ednh t\u1ed5n hao c\u00f4ng su\u1ea5t<\/h1>\n
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\nC\u00e1ch gi\u1ea3m t\u1ed5n hao do nhi\u1ec7t \u0111\u1ed9<\/h1>\n
1. L\u1eafp \u0111\u1eb7t t\u1ea5m pin c\u00e1ch m\u00e1i nh\u00e0<\/h2>\n
\n2. Ch\u1ecdn b\u1ec1 m\u1eb7t m\u00e1i c\u00f3 m\u00e0u s\u00e1ng<\/h2>\n
\n3. Ch\u1ecdn t\u1ea5m pin c\u00f3 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/h2>\n
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\n4. L\u1eafp \u0111\u1eb7t \u0111\u00fang g\u00f3c nghi\u00eang<\/h2>\n
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\n\u1ea2nh h\u01b0\u1edfng th\u1ef1c t\u1ebf t\u1ea1i Vi\u1ec7t Nam<\/h1>\n
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\nV\u00ec sao c\u1ea7n t\u00ednh \u0111\u1ebfn t\u1ed5n hao nhi\u1ec7t?<\/h1>\n
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\nK\u1ebft lu\u1eadn<\/h1>\n
\nC\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n
1. Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 l\u00e0m h\u1ecfng t\u1ea5m pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi kh\u00f4ng?<\/h3>\n
2. Temperature Coefficient bao nhi\u00eau l\u00e0 t\u1ed1t?<\/h3>\n