{"id":673083,"date":"2024-10-17T15:13:45","date_gmt":"2024-10-17T14:13:45","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=673083"},"modified":"2024-10-17T15:13:45","modified_gmt":"2024-10-17T14:13:45","slug":"tac-dong-nhiet-len-he-thong-quang-dien","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/tac-dong-nhiet-len-he-thong-quang-dien\/","title":{"rendered":"T\u00e1c \u0111\u1ed9ng nhi\u1ec7t l\u00ean h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n"},"content":{"rendered":"<p class=\"sidekick\">T\u00e1c \u0111\u1ed9ng nhi\u1ec7t l\u00ean h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n: t\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi trong h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/tac_dong_nhiet_len_he_thong_quang_dien.png\" alt=\"T\u00e1c \u0111\u1ed9ng nhi\u1ec7t l\u00ean h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>T\u00e1c \u0111\u1ed9ng nhi\u1ec7t l\u00ean h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n<\/h2>\n<p>H\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n (hay \u0111i\u1ec7n m\u1eb7t tr\u1eddi) l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn gi\u00fap chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi th\u00e0nh \u0111i\u1ec7n n\u0103ng. Tuy nhi\u00ean, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c t\u1ea5m pin quang \u0111i\u1ec7n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 t\u00e1c \u0111\u1ed9ng nhi\u1ec7t l\u00ean h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n v\u00e0 c\u00e1ch gi\u1ea3m thi\u1ec3u nh\u1eefng \u1ea3nh h\u01b0\u1edfng n\u00e0y.<\/p>\n<h2>T\u1ea1o nhi\u1ec7t trong h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n<\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, c\u00e1c t\u1ea5m pin quang \u0111i\u1ec7n th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c t\u1ea5m pin. Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t hi\u1ec7u su\u1ea5t, g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n.<\/p>\n<h2>Hi\u1ec7u su\u1ea5t c\u1ee7a pin quang \u0111i\u1ec7n b\u1ecb nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a pin quang \u0111i\u1ec7n. C\u1ee5 th\u1ec3, hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ebf b\u00e0o quang \u0111i\u1ec7n th\u01b0\u1eddng gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh sau:<\/p>\n<p>\\[\\eta = \\eta_0 * (1 &#8211; \\beta * (T_{cell} &#8211; T_{ref}))\\]\n<ul>\n<li>\\(\\eta\\): Hi\u1ec7u su\u1ea5t c\u1ee7a pin quang \u0111i\u1ec7n t\u1ea1i nhi\u1ec7t \u0111\u1ed9 \\(T_{cell}\\)<\/li>\n<li>\\(\\eta_0\\): Hi\u1ec7u su\u1ea5t c\u1ee7a pin quang \u0111i\u1ec7n t\u1ea1i nhi\u1ec7t \u0111\u1ed9 tham chi\u1ebfu \\(T_{ref}\\)<\/li>\n<li>\\(\\beta\\): H\u1ec7 s\u1ed1 nhi\u1ec7t c\u1ee7a hi\u1ec7u su\u1ea5t<\/li>\n<li>\\(T_{cell}\\): Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a t\u1ebf b\u00e0o quang \u0111i\u1ec7n<\/li>\n<li>\\(T_{ref}\\): Nhi\u1ec7t \u0111\u1ed9 tham chi\u1ebfu (th\u01b0\u1eddng l\u00e0 25\u00b0C)<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi nhi\u1ec1u lo\u1ea1i pin quang \u0111i\u1ec7n silicon \u0111\u01a1n tinh th\u1ec3, h\u1ec7 s\u1ed1 nhi\u1ec7t \\(\\beta\\) th\u01b0\u1eddng v\u00e0o kho\u1ea3ng -0.45%\/\u00b0C. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 v\u1edbi m\u1ed7i t\u0103ng l\u00ean 1\u00b0C, hi\u1ec7u su\u1ea5t c\u1ee7a pin quang \u0111i\u1ec7n s\u1ebd gi\u1ea3m kho\u1ea3ng 0.45%.<\/p>\n<h2>Gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng nhi\u1ec7t<\/h2>\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 l\u00ean hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n, c\u00f3 m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n:<\/p>\n<h3>Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t<\/h3>\n<p>S\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc ho\u1eb7c kh\u00f4ng kh\u00ed, c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c t\u1ea5m pin quang \u0111i\u1ec7n v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t.<\/p>\n<h3>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t<\/h3>\n<p>Ch\u1ecdn c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n v\u00e0 \u00edt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a pin quang \u0111i\u1ec7n.<\/p>\n<h3>C\u1ea3i thi\u1ec7n c\u00e1ch l\u1eafp \u0111\u1eb7t<\/h3>\n<p>L\u1eafp \u0111\u1eb7t c\u00e1c t\u1ea5m pin quang \u0111i\u1ec7n \u1edf n\u01a1i c\u00f3 th\u00f4ng gi\u00f3 t\u1ed1t v\u00e0 tr\u00e1nh b\u1ecb che khu\u1ea5t b\u1edfi c\u00e1c v\u1eadt c\u1ea3n c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t.<\/p>\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u, ch\u00fang ta c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n, \u0111\u1ed3ng th\u1eddi gi\u00fap ch\u00fang ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e1c \u0111\u1ed9ng nhi\u1ec7t l\u00ean h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n: t\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi trong h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast 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