{"id":1233,"date":"2021-08-13T04:33:12","date_gmt":"2021-08-13T04:33:12","guid":{"rendered":"https:\/\/toancau.vn\/?p=1233"},"modified":"2025-04-17T09:24:14","modified_gmt":"2025-04-17T09:24:14","slug":"co-ban-ve-bo-luu-dien-ups","status":"publish","type":"post","link":"https:\/\/toancau.vn\/en\/blog\/co-ban-ve-bo-luu-dien-ups.html","title":{"rendered":"THE BASICS OF POWER SUPPLY (UPS)"},"content":{"rendered":"<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">Table of Contents<\/p><ul class=\"toc_list\"><li><a href=\"#1_Bo_luu_dien_UPS_la_gi\"><span class=\"toc_number toc_depth_1\">1<\/span> 1\/ What is an Uninterruptible Power Supply (UPS)?<\/a><\/li><li><a href=\"#2_Nguyen_ly_hoat_dong\"><span class=\"toc_number toc_depth_1\">2<\/span> 2\/ Working principle:<\/a><\/li><li><a href=\"#3_Phan_loai\"><span class=\"toc_number toc_depth_1\">3<\/span> 3\/ Categorize:\n<\/a><ul><li><a href=\"#UPS_offline\"><span class=\"toc_number toc_depth_2\">3.1<\/span> \nUPS offline\u00a0<\/a><ul><li><a href=\"#Nguyen_ly_lam_viec_cua_no_nhu_sau\"><span class=\"toc_number toc_depth_3\">3.1.1<\/span> \nNguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3 nh\u01b0 sau:\n<\/a><\/li><li><a href=\"#UPS_offline_voi_cong_nghe_Line_interactive\"><span class=\"toc_number toc_depth_3\">3.1.2<\/span> Offline UPS with Line interactive technology<\/a><\/li><\/ul><\/li><li><a href=\"#UPS_online\"><span class=\"toc_number toc_depth_2\">3.2<\/span> UPS online<\/a><\/li><\/ul><\/li><\/ul><\/div>\n<h2><span id=\"1_Bo_luu_dien_UPS_la_gi\"><span style=\"color: #000000;\"><strong><span style=\"font-size: 12pt;\">1\/ What is an Uninterruptible Power Supply (UPS)?<\/span><\/strong><\/span><\/span><\/h2>\n<p><span style=\"font-size: 12pt; color: #000000;\"><span style=\"color: #0000ff;\"><strong>UPS hay th\u01b0\u1eddng g\u1ecdi l\u00e0 b\u1ed9 l\u01b0u \u0111i\u1ec7n<\/strong><\/span>, c\u00e1c lo\u1ea1i UPS th\u00f4ng d\u1ee5ng hi\u1ec7n nay th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia l\u00e0m ba lo\u1ea1i ch\u00ednh theo nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang: UPS offline, UPS offline c\u00f4ng ngh\u1ec7 Line interactive v\u00e0 UPS online<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-4011 aligncenter\" src=\"https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/Riello-UPS-Systems-300x168.jpeg\" alt=\"\" width=\"539\" height=\"302\" srcset=\"https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/Riello-UPS-Systems-300x168.jpeg 300w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/Riello-UPS-Systems-768x429.jpeg 768w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/Riello-UPS-Systems-18x10.jpeg 18w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/Riello-UPS-Systems.jpeg 984w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/p>\n<h2><span id=\"2_Nguyen_ly_hoat_dong\"><span style=\"color: #000000;\"><strong><span style=\"font-size: 12pt;\">2\/ Working principle:<\/span><\/strong><\/span><\/span><\/h2>\n<p><span style=\"font-size: 12pt; color: #000000;\">\u00a0A lot of people already know that inside the UPS there will be<a style=\"color: #000000;\" href=\"https:\/\/toancau.vn\/en\/vietnam\/10\/94\/nguyen-ly-hinh-thanh-va-ung-dung-cua-ac-quy-accu\/\">\u00a0the battery<\/a>\u00a0to store electricity, so just knowing that is the most basic way to know the operating principle of the uninterrupted: converting electricity from\u00a0<a style=\"color: #000000;\" href=\"https:\/\/toancau.vn\/en\/vietnam\/10\/94\/nguyen-ly-hinh-thanh-va-ung-dung-cua-ac-quy-accu\/\">the battery<\/a>\u00a0to the mains supply to the load when the power supply to the UPS input is lost.<\/span><\/p>\n<p><span style=\"font-size: 12pt; color: #000000;\">Inside the UPS, there are one or more\u00a0<a style=\"color: #000000;\" href=\"https:\/\/toancau.vn\/en\/vietnam\/10\/94\/nguyen-ly-hinh-thanh-va-ung-dung-cua-ac-quy-accu\/\">the battery<\/a>\u00a0used to store electrical energy. Use a board that converts the battery's DC power into AC, and this alternating current fluctuates in frequency and voltage to suit the requirements of use \u2013 ie 220Vac at 50 or 60 Hz.\u00a0<\/span><\/p>\n<h2><span id=\"3_Phan_loai\"><span style=\"font-size: 12pt; color: #000000;\"><strong>3\/ Categorize:<\/strong><br \/>\n<\/span><\/span><\/h2>\n<h3><span id=\"UPS_offline\"><span style=\"color: #000000; font-size: 12pt;\"><br \/>\n<span style=\"text-decoration: underline;\"><strong>UPS offline\u00a0<\/strong><\/span><\/span><\/span><\/h3>\n<h4><span id=\"Nguyen_ly_lam_viec_cua_no_nhu_sau\"><span style=\"font-size: 12pt; color: #000000;\"><br \/>\nNguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3 nh\u01b0 sau:<br \/>\n<\/span><\/span><\/h4>\n<ul>\n<li><span style=\"font-size: 12pt; color: #000000;\">Mains power input via a switch to the output line. At the same time, the input power is used to charge the battery through the Charger.<\/span><\/li>\n<li><span style=\"font-size: 12pt; color: #000000;\">When the grid power is lost,\u00a0<a style=\"color: #000000;\" href=\"https:\/\/toancau.vn\/en\/vietnam\/10\/94\/nguyen-ly-hinh-thanh-va-ung-dung-cua-ac-quy-accu\/\">the battery<\/a>\u00a0system provides direct current to the inverter to convert it into alternating current to continue supplying the consuming equipment.<\/span><\/li>\n<\/ul>\n<h4><span id=\"UPS_offline_voi_cong_nghe_Line_interactive\"><span style=\"font-size: 12pt; color: #000000;\">Offline UPS with Line interactive technology<\/span><\/span><\/h4>\n<p><span style=\"font-size: 12pt; color: #000000;\">To overcome the disadvantages of conventional offline UPS, offline UPS with Line interactive technology. Due to their more active principle of operation, they are more expensive than conventional offline UPSs.<\/span><\/p>\n<div align=\"center\"><span style=\"font-size: 12pt; color: #000000;\"><img decoding=\"async\" class=\"alignnone size-medium wp-image-4007\" src=\"https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_NPW_front-offline-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_NPW_front-offline-300x300.jpg 300w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_NPW_front-offline-150x150.jpg 150w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_NPW_front-offline-12x12.jpg 12w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_NPW_front-offline.jpg 480w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/span><\/div>\n<div align=\"center\"><span style=\"font-size: 12pt; color: #000000;\"><br \/>\nOffline UPS with Line interactive technology<\/span><\/div>\n<p><span style=\"font-size: 12pt; color: #000000;\">Power to the consumable equipment is provided through an autotransformer.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt; color: #000000;\">In the case of normal UPS input voltage, i.e. the voltage level is approximately 220V output then the UPS acts as the top-left frame, so there is no interference to the output voltage \u2013 and the UPS works like a regular offline UPS.<\/span><\/li>\n<\/ul>\n<ul>\n<li><span style=\"font-size: 12pt; color: #000000;\">In cases where the input voltage is lower than the reference voltage, the autotransformer will switch to another step, ensuring the output voltage meets the required parameters. In the event that the voltage of the mains is higher than the standard rating, this is also the case.<\/span><\/li>\n<\/ul>\n<ul>\n<li><span style=\"font-size: 12pt; color: #000000;\">In the event of a power outage, the Line Interactive UPS Input Technology will operate like a regular Offline UPS, disconnecting the branch via the autotransformer and switching to the battery branch via the inverter.\u00a0<\/span><\/li>\n<\/ul>\n<h3><span id=\"UPS_online\"><span style=\"text-decoration: underline; color: #000000;\"><strong><span style=\"font-size: 12pt;\">UPS online<\/span><\/strong><\/span><\/span><\/h3>\n<p><span style=\"font-size: 12pt; color: #000000;\">In order to completely overcome the disadvantages of the above two UPS lines, it is an online UPS, that's why this type of UPS usually has the highest selling price compared to the above types.<\/span><\/p>\n<div align=\"center\"><span style=\"color: #000000; font-size: 12pt;\"><img decoding=\"async\" class=\"alignnone size-medium wp-image-4008\" src=\"https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_online-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_online-300x300.jpg 300w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_online-150x150.jpg 150w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_online-12x12.jpg 12w, https:\/\/toancau.vn\/wp-content\/uploads\/2021\/08\/show_Riello_UPS_online.jpg 480w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/span><\/div>\n<div align=\"center\">\n<div align=\"center\"><span style=\"font-size: 12pt; color: #000000;\"><br \/>\nUPS online<\/span><\/div>\n<\/div>\n<p><span style=\"color: #000000; font-size: 12pt;\">Ngu\u1ed3n \u0111i\u1ec7n ng\u00f5 v\u00e0o kh\u00f4ng cung c\u1ea5p \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp cho t\u1ea3i, m\u00e0 \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111i\u1ec7n \u00e1p c\u1ee7a \u1eafc quy. \u1ede \u0111\u00e2y b\u1ed9 charger + <a style=\"color: #000000;\" href=\"https:\/\/toancau.vn\/en\/vietnam\/10\/98\/quy-trinh-hoat-dong-cua-may-nan-rectifier-trong-he-thong-ups\/\">Rectifier<\/a>\u00a0power\u00a0<a style=\"color: #000000;\" href=\"https:\/\/toancau.vn\/en\/vietnam\/10\/100\/vai-tro-cua-bien-tan-inverter-trong-he-thong-bao-ve-nguon-dien-ups\/\">inverter<\/a>\u00a0with power from the battery and the grid to convert to an output voltage suitable for the load.<\/span><\/p>\n<p><span style=\"font-size: 12pt; color: #000000;\">Thus, it can be seen that in any grid failure, the online UPS can supply power to the load without any delay. This makes the device very safe to use, and stable.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>N\u1ed9i dung b&agrave;i vi\u1ebft1 1\/ B\u1ed9 l\u01b0u \u0111i\u1ec7n (UPS) l\u00e0 g\u00ec?2 2\/ Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:3 3\/ Ph\u00e2n lo\u1ea1i : 3.1 UPS offline\u00a03.1.1 Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3 nh\u01b0 sau: 3.1.2 UPS offline v\u1edbi c\u00f4ng ngh\u1ec7 Line interactive3.2 UPS online 1\/ B\u1ed9 l\u01b0u \u0111i\u1ec7n (UPS) l\u00e0 g\u00ec? UPS hay th\u01b0\u1eddng g\u1ecdi l\u00e0 b\u1ed9 l\u01b0u [&hellip;]<\/p>","protected":false},"author":3,"featured_media":4011,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"footnotes":""},"categories":[16,7],"tags":[],"class_list":["post-1233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-tin-tuc-su-kien"],"acf":[],"_links":{"self":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts\/1233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/comments?post=1233"}],"version-history":[{"count":3,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts\/1233\/revisions"}],"predecessor-version":[{"id":8490,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/posts\/1233\/revisions\/8490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/media\/4011"}],"wp:attachment":[{"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/media?parent=1233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/categories?post=1233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toancau.vn\/en\/wp-json\/wp\/v2\/tags?post=1233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}