{"id":2338,"date":"2024-02-21T08:32:44","date_gmt":"2024-02-21T08:32:44","guid":{"rendered":"https:\/\/www.qinx-power.com\/?post_type=news&p=2338"},"modified":"2026-02-21T08:47:28","modified_gmt":"2026-02-21T08:47:28","slug":"connecting-power-supply-in-series-vs-parallel","status":"publish","type":"news","link":"https:\/\/www.qinxpower.com\/vi\/news\/dau-noi-nguon-dien-noi-tiep-so-voi-dau-song-song\/","title":{"rendered":"C\u00e1ch \u0111\u1ea5u n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n n\u1ed1i ti\u1ebfp so v\u1edbi song song: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7"},"content":{"rendered":"
\"So
So s\u00e1nh c\u00e1ch \u0111\u1ea5u n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n n\u1ed1i ti\u1ebfp v\u00e0 song song.<\/figcaption><\/figure>\n

C\u00e1ch \u0111\u1ea5u n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n n\u1ed1i ti\u1ebfp so v\u1edbi song song: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7<\/h1>\n

Khi l\u00e0m vi\u1ec7c v\u1edbi pin, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n ho\u1eb7c b\u1ea5t k\u1ef3 ngu\u1ed3n \u0111i\u1ec7n DC n\u00e0o, vi\u1ec7c hi\u1ec3u c\u00e1ch k\u1ebft n\u1ed1i ch\u00fang l\u00e0 r\u1ea5t quan tr\u1ecdng. Hai ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n\u2014k\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp v\u00e0 k\u1ebft n\u1ed1i song song\u2014ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau v\u00e0 cho k\u1ebft qu\u1ea3 r\u1ea5t kh\u00e1c nhau. L\u1ef1a ch\u1ecdn sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng ho\u1eb7c s\u1ef1 c\u1ed1 thi\u1ebft b\u1ecb. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u1ea3i th\u00edch nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c l\u01b0u \u00fd v\u1ec1 an to\u00e0n cho c\u1ea3 hai c\u1ea5u h\u00ecnh.<\/p>\n

M\u1eafc n\u1ed1i ti\u1ebfp: T\u0103ng \u0111i\u1ec7n \u00e1p<\/h2>\n

Trong k\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp, b\u1ea1n k\u1ebft n\u1ed1i c\u00e1c\u00a0n\u1ed1i c\u1ef1c d\u01b0\u01a1ng c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n n\u00e0y v\u1edbi c\u1ef1c \u00e2m c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n kia.<\/strong>. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn duy nh\u1ea5t cho d\u00f2ng \u0111i\u1ec7n ch\u1ea3y qua.<\/p>\n

    \n
  • \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111i\u1ec7n \u00e1p:<\/strong>\u00a0C\u00e1i\u00a0\u0111i\u1ec7n \u00e1p c\u1ed9ng l\u1ea1i<\/strong>. V\u00ed d\u1ee5, m\u1eafc n\u1ed1i ti\u1ebfp hai pin 12V s\u1ebd cho t\u1ed5ng \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra l\u00e0 24V.<\/li>\n
  • \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn dung l\u01b0\u1ee3ng (Ah):<\/strong>\u00a0T\u1ed5ng c\u1ed9ng\u00a0Dung l\u01b0\u1ee3ng (amp-gi\u1edd) v\u1eabn kh\u00f4ng thay \u0111\u1ed5i.<\/strong>\u00a0T\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t pin \u0111\u01a1n. N\u1ebfu m\u1ed7i pin c\u00f3 dung l\u01b0\u1ee3ng 10Ah, th\u00ec chu\u1ed7i pin m\u1eafc n\u1ed1i ti\u1ebfp v\u1eabn c\u00f3 dung l\u01b0\u1ee3ng 10Ah.<\/li>\n
  • M\u1ee5c ti\u00eau ch\u00ednh:<\/strong>\u00a0Nh\u1eb1m t\u0103ng \u0111i\u1ec7n \u00e1p t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng trong khi v\u1eabn gi\u1eef nguy\u00ean c\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ul>\n

    \u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong>\u00a0Xe \u0111i\u1ec7n, d\u1ee5ng c\u1ee5 \u0111i\u1ec7n, thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p v\u00e0 b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng n\u00e0o y\u00eau c\u1ea7u \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng cao h\u01a1n m\u1ee9c m\u00e0 m\u1ed9t cell \u0111\u01a1n c\u00f3 th\u1ec3 cung c\u1ea5p.<\/p>\n

    K\u1ebft n\u1ed1i song song: T\u0103ng c\u01b0\u1eddng dung l\u01b0\u1ee3ng<\/h2>\n

    Trong k\u1ebft n\u1ed1i song song, b\u1ea1n k\u1ebft n\u1ed1i\u00a0t\u1ea5t c\u1ea3 c\u00e1c c\u1ef1c d\u01b0\u01a1ng n\u1ed1i v\u1edbi nhau v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c c\u1ef1c \u00e2m n\u1ed1i v\u1edbi nhau<\/strong>. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn cho d\u00f2ng \u0111i\u1ec7n hi\u1ec7n t\u1ea1i.<\/p>\n

      \n
    • \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111i\u1ec7n \u00e1p:<\/strong>\u00a0C\u00e1i\u00a0\u0110i\u1ec7n \u00e1p v\u1eabn gi\u1eef nguy\u00ean<\/strong>. M\u1eafc song song hai pin 12V v\u1eabn cho ra \u0111i\u1ec7n \u00e1p 12V.<\/li>\n
    • \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn dung l\u01b0\u1ee3ng (Ah):<\/strong>\u00a0C\u00e1i\u00a0t\u1ed5ng dung l\u01b0\u1ee3ng<\/strong>. N\u1ebfu m\u1ed7i b\u00ecnh \u1eafc quy c\u00f3 dung l\u01b0\u1ee3ng 10Ah, th\u00ec h\u1ec7 th\u1ed1ng m\u1eafc song song s\u1ebd cung c\u1ea5p t\u1ed5ng c\u1ed9ng 20Ah.<\/li>\n
    • M\u1ee5c ti\u00eau ch\u00ednh:<\/strong>\u00a0\u0110\u1ec3 t\u0103ng t\u1ed5ng c\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n (th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng) trong khi v\u1eabn gi\u1eef \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ed5i.<\/li>\n<\/ul>\n

      \u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong>\u00a0H\u1ec7 th\u1ed1ng ngu\u1ed3n d\u1ef1 ph\u00f2ng (UPS), h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, h\u1ec7 th\u1ed1ng cho xe RV\/xe c\u1eafm tr\u1ea1i v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u th\u1eddi gian d\u1ef1 ph\u00f2ng l\u00e2u h\u01a1n.<\/p>\n

      B\u1ea3ng so s\u00e1nh ch\u00ednh<\/h2>\n\n\n\n\n\n\n\n\n\n
      T\u00ednh n\u0103ng<\/th>\nK\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp<\/th>\nK\u1ebft n\u1ed1i song song<\/th>\n<\/tr>\n<\/thead>\n
      Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea5u d\u00e2y<\/strong><\/td>\nT\u1eeb t\u00edch c\u1ef1c sang ti\u00eau c\u1ef1c<\/td>\nT\u00edch c\u1ef1c v\u1edbi t\u00edch c\u1ef1c, ti\u00eau c\u1ef1c v\u1edbi ti\u00eau c\u1ef1c<\/td>\n<\/tr>\n
      T\u1ed5ng \u0111i\u1ec7n \u00e1p<\/strong><\/td>\nT\u1ed5ng<\/strong>\u00a0t\u1ed5ng c\u1ed9ng t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n (V_total = V1 + V2 + \u2026)<\/td>\nNh\u01b0 nhau<\/strong>\u00a0nh\u01b0 m\u1ed9t ngu\u1ed3n (V_total = V1 = V2)<\/td>\n<\/tr>\n
      T\u1ed5ng c\u00f4ng su\u1ea5t<\/strong><\/td>\nNh\u01b0 nhau<\/strong>\u00a0nh\u01b0 m\u1ed9t ngu\u1ed3n (Ah_total = Ah1 = Ah2)<\/td>\nT\u1ed5ng<\/strong>\u00a0t\u1ed5ng c\u1ed9ng t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n (Ah_total = Ah1 + Ah2 + \u2026)<\/td>\n<\/tr>\n
      M\u1ee5c \u0111\u00edch ch\u00ednh<\/strong><\/td>\nT\u0103ng \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng<\/td>\nT\u0103ng th\u1eddi gian ch\u1ea1y v\u00e0 d\u00f2ng \u0111i\u1ec7n cung c\u1ea5p<\/td>\n<\/tr>\n
      Quy t\u1eafc quan tr\u1ecdng<\/strong><\/td>\nS\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n \u00e1p v\u00e0 dung l\u01b0\u1ee3ng gi\u1ed1ng h\u1ec7t nhau.<\/td>\nS\u1eed d\u1ee5ng\u00a0\u0111i\u1ec7n \u00e1p gi\u1ed1ng nhau<\/strong>\u00a0ngu\u1ed3n (dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ch\u00eanh l\u1ec7ch \u0111\u00f4i ch\u00fat)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      An to\u00e0n quan tr\u1ecdng v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n
        \n
      1. Ki\u1ec3m tra t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a ngu\u1ed3n th\u00f4ng tin:<\/strong>\u00a0Lu\u00f4n s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n \u0111i\u1ec7n (pin, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i) c\u1ee7a\u00a0c\u00f9ng \u0111i\u1ec7n \u00e1p v\u00e0 dung l\u01b0\u1ee3ng\/tu\u1ed5i t\u01b0\u01a1ng t\u1ef1<\/strong>\u00a0\u0110\u1ed1i v\u1edbi c\u1ea3 hai c\u1ea5u h\u00ecnh. C\u00e1c ngu\u1ed3n kh\u00f4ng t\u01b0\u01a1ng th\u00edch m\u1eafc n\u1ed1i ti\u1ebfp c\u00f3 th\u1ec3 g\u00e2y s\u1ea1c qu\u00e1 m\u1ee9c v\u00e0 h\u01b0 h\u1ecfng; m\u1eafc song song, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra d\u00f2ng \u0111i\u1ec7n b\u00ean trong cao v\u00e0 qu\u00e1 nhi\u1ec7t.<\/li>\n
      2. S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n \u0111\u00fang c\u00e1ch:<\/strong>\u00a0\u0110\u1eb7c bi\u1ec7t, c\u00e1c k\u1ebft n\u1ed1i song song \u0111\u00f2i h\u1ecfi d\u00e2y d\u1eabn \u0111\u1ee7 d\u00e0y v\u00e0 c\u1ea7u ch\u00ec ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ed5ng d\u00f2ng \u0111i\u1ec7n t\u0103ng l\u00ean.<\/li>\n
      3. H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin (BMS):<\/strong>\u00a0\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 pin lithium-ion, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin (BMS) l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 c\u00e2n b\u1eb1ng t\u1eebng cell pin ri\u00eang l\u1ebb, d\u00f9 m\u1eafc n\u1ed1i ti\u1ebfp hay song song.<\/li>\n
      4. \u0110i\u1ed1t c\u00e1ch ly:<\/strong>\u00a0Trong c\u00e1c c\u1ea5u h\u00ecnh m\u1eafc song song, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng \u0111i\u1ed1t \u0111\u1ec3 ng\u0103n d\u00f2ng \u0111i\u1ec7n ch\u1ea3y t\u1eeb pin m\u1ea1nh h\u01a1n sang pin y\u1ebfu h\u01a1n khi h\u1ec7 th\u1ed1ng \u1edf tr\u1ea1ng th\u00e1i ch\u1edd.<\/li>\n<\/ol>\n

        K\u1ebft lu\u1eadn: B\u1ea1n n\u00ean ch\u1ecdn c\u00e1i n\u00e0o?<\/h2>\n

        S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n:<\/p>\n

          \n
        • Ch\u1ecdn m\u1ed9t\u00a0K\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp<\/strong>\u00a0n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u1ea7n\u00a0\u0111i\u1ec7n \u00e1p cao h\u01a1n<\/strong>\u00a0(V\u00ed d\u1ee5: c\u1ea5p ngu\u1ed3n cho \u0111\u1ed9ng c\u01a1 24V b\u1eb1ng pin 12V).<\/li>\n
        • Ch\u1ecdn m\u1ed9t\u00a0K\u1ebft n\u1ed1i song song<\/strong>\u00a0n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u1ea7n ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh\u00a0th\u1eddi gian d\u00e0i h\u01a1n<\/strong>\u00a0\u1edf c\u00f9ng m\u1ee9c \u0111i\u1ec7n \u00e1p (v\u00ed d\u1ee5: k\u00e9o d\u00e0i th\u1eddi gian d\u1ef1 ph\u00f2ng c\u1ee7a h\u1ec7 th\u1ed1ng 12V).<\/li>\n<\/ul>\n

          B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n

          \n\n\t\t\n
            \n\t\t\t <\/ul>\n <\/div>","protected":false},"excerpt":{"rendered":"

            T\u00ecm hi\u1ec3u nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng gi\u1eefa k\u1ebft n\u1ed1i ngu\u1ed3n n\u1ed1i ti\u1ebfp v\u00e0 song song. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1c thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n v\u00e0 c\u00f4ng su\u1ea5t, gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p cho pin, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 h\u1ec7 th\u1ed1ng ngu\u1ed3n DC.<\/p>","protected":false},"author":1,"featured_media":2339,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"_excerptai":0,"_xhaitool_aitasks":false,"_xhaitool_aitasks_status":false,"_aiimage_cueword":"","_aiimage_status":0,"_xhai_excerpt":"","_joinchat":[],"footnotes":""},"news_center":[],"class_list":["post-2338","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nConnecting Power Supply in Series vs Parallel: A Complete Guide - QINXPOWER\u00ae<\/title>\n<meta name=\"description\" content=\"Learn the critical differences between series and parallel power connections. This guide covers voltage, current, and capacity changes, helping you choose the right configuration for batteries, adapters, and DC power systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.qinxpower.com\/vi\/news\/dau-noi-nguon-dien-noi-tiep-so-voi-dau-song-song\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Connecting Power Supply in Series vs Parallel: A Complete Guide\" \/>\n<meta property=\"og:description\" content=\"Learn the critical differences between series and parallel power connections. 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