{"id":694899,"date":"2024-08-25T21:39:26","date_gmt":"2024-08-25T20:39:26","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694899"},"modified":"2024-08-25T21:39:26","modified_gmt":"2024-08-25T20:39:26","slug":"he-thong-luu-tru-nang-luong-nhiet-hieu-suat-va-dich-chuyen-tai","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/he-thong-luu-tru-nang-luong-nhiet-hieu-suat-va-dich-chuyen-tai\/","title":{"rendered":"H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t | Hi\u1ec7u su\u1ea5t v\u00e0 d\u1ecbch chuy\u1ec3n t\u1ea3i"},"content":{"rendered":"<p class=\"sidekick\">H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t: Hi\u1ec7u su\u1ea5t v\u00e0 d\u1ecbch chuy\u1ec3n t\u1ea3i &#8211; T\u00ecm hi\u1ec3u c\u00e1ch l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c d\u1ecbch chuy\u1ec3n t\u1ea3i.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/he_thong_luu_tru_nang_luong_nhiet_hieu_suat_va_dich_chuyen_tai.png\" alt=\"H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t | Hi\u1ec7u su\u1ea5t v\u00e0 d\u1ecbch chuy\u1ec3n t\u1ea3i\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<p>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t (TES &#8211; Thermal Energy Storage) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 quan tr\u1ecdng trong ng\u00e0nh nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng. H\u1ec7 th\u1ed1ng n\u00e0y cho ph\u00e9p l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng khi c\u00f3 d\u01b0 th\u1eeba v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng khi c\u1ea7n thi\u1ebft, gi\u00fap c\u00e2n b\u1eb1ng cung c\u1ea5p v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<h2>Hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 th\u00f4ng qua hai y\u1ebfu t\u1ed1 ch\u00ednh: hi\u1ec7u su\u1ea5t l\u01b0u tr\u1eef (storage efficiency) v\u00e0 hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i (conversion efficiency).<\/p>\n<p><u1><\/p>\n<li><b>Hi\u1ec7u su\u1ea5t l\u01b0u tr\u1eef (\u03b7_s):<\/b> \u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa l\u01b0\u1ee3ng nhi\u1ec7t l\u01b0u tr\u1eef th\u1ef1c t\u1ebf so v\u1edbi l\u01b0\u1ee3ng nhi\u1ec7t c\u00f3 th\u1ec3 l\u01b0u tr\u1eef t\u1ed1i \u0111a. C\u00f4ng th\u1ee9c t\u00ednh hi\u1ec7u su\u1ea5t l\u01b0u tr\u1eef l\u00e0:<\/li>\n<p><\/u1><\/p>\n<p>\\[ \\eta_s = \\frac{Q_{stored}}{Q_{max}} \\]\n<p><u1><\/p>\n<li><b>Hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i (\u03b7_c):<\/b> \u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e0 s\u1eed d\u1ee5ng so v\u1edbi l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ban \u0111\u1ea7u. C\u00f4ng th\u1ee9c t\u00ednh hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i l\u00e0:<\/li>\n<p><\/u1><\/p>\n<p>\\[ \\eta_c = \\frac{Q_{released}}{Q_{stored}} \\]\n<p>C\u1ea3 hai hi\u1ec7u su\u1ea5t n\u00e0y \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng, v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 (\u03b7_t) \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/p>\n<p>\\[ \\eta_t = \\eta_s \\times \\eta_c \\]\n<h2>D\u1ecbch chuy\u1ec3n t\u1ea3i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/h2>\n<p>D\u1ecbch chuy\u1ec3n t\u1ea3i (load shifting) l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t trong c\u00e1c kho\u1ea3ng th\u1eddi gian khi nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng th\u1ea5p v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng n\u00e0y khi nhu c\u1ea7u cao, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u1ec9nh t\u1ea3i v\u00e0 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><u1><\/p>\n<li><b>Gi\u1ea3m \u0111\u1ec9nh t\u1ea3i (Peak shaving):<\/b> B\u1eb1ng c\u00e1ch gi\u1ea3m nhu c\u1ea7u v\u00e0o c\u00e1c gi\u1edd cao \u0111i\u1ec3m, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t gi\u00fap gi\u1ea3m \u00e1p l\u1ef1c l\u00ean l\u01b0\u1edbi \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 gi\u1ea3m nguy c\u01a1 c\u00fap \u0111i\u1ec7n v\u00e0 gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><b>T\u1ed1i \u01b0u h\u00f3a s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng:<\/b> H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t c\u00f3 th\u1ec3 gi\u00fap s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng d\u01b0 th\u1eeba t\u1eeb c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o nh\u01b0 m\u1eb7t tr\u1eddi ho\u1eb7c gi\u00f3 v\u00e0 s\u1eed d\u1ee5ng n\u00f3 khi c\u1ea7n thi\u1ebft.<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 qu\u1ea3n l\u00fd t\u1ea3i n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng hi\u1ec7n \u0111\u1ea1i. V\u1edbi vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef ti\u00ean ti\u1ebfn v\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ecbch chuy\u1ec3n t\u1ea3i, c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n, \u0111\u1ed3ng th\u1eddi gi\u1ea3m chi ph\u00ed v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t: Hi\u1ec7u su\u1ea5t v\u00e0 d\u1ecbch chuy\u1ec3n t\u1ea3i &#8211; T\u00ecm hi\u1ec3u c\u00e1ch l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c d\u1ecbch chuy\u1ec3n t\u1ea3i.<\/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 SEO plugin v15.4 - 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