{"id":1385,"date":"2026-08-05T15:08:48","date_gmt":"2026-08-05T13:08:48","guid":{"rendered":"https:\/\/www.senetic.cz\/blog\/?p=1385"},"modified":"2026-08-07T10:55:44","modified_gmt":"2026-08-07T08:55:44","slug":"zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu","status":"publish","type":"post","link":"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/","title":{"rendered":"Z\u00e1lo\u017en\u00ed zdroje UPS \u2013 typy a parametry. Na co se zam\u011b\u0159it p\u0159i v\u00fdb\u011bru"},"content":{"rendered":"\n<p><span style=\"font-weight: 400;\">Z\u00e1lo\u017en\u00ed zdroje UPS se d\u011bl\u00ed do t\u0159\u00ed z\u00e1kladn\u00edch typ\u016f: offline\/standby, line-interactive a online double-conversion. Pr\u00e1v\u011b tento rozd\u00edl rozhoduje o tom, zda za\u0159\u00edzen\u00ed pouze udr\u017e\u00ed nap\u00e1jen\u00ed, nebo skute\u010dn\u011b ochr\u00e1n\u00ed server, \u00falo\u017ei\u0161t\u011b \u010di pracovn\u00ed stanici p\u0159ed d\u016fsledky v\u00fdpadku proudu a probl\u00e9my s kvalitou elektrick\u00e9 energie. Z\u00e1lo\u017en\u00ed zdroj UPS b\u00fdv\u00e1 pova\u017eov\u00e1n za b\u011b\u017enou \u201eprodlu\u017eova\u010dku s bateri\u00ed\u201c, dokud nep\u0159ijde prvn\u00ed letn\u00ed bou\u0159ka nebo prvn\u00ed v\u00fdpadek proudu b\u011bhem provozu serveru. Tehdy se uk\u00e1\u017ee, \u017ee rozd\u00edly mezi jednotliv\u00fdmi modely UPS mohou b\u00fdt z\u00e1sadn\u00ed: jeden bezpe\u010dn\u011b udr\u017e\u00ed nap\u00e1jen\u00ed a umo\u017en\u00ed \u0159\u00edzen\u00e9 vypnut\u00ed syst\u00e9m\u016f, zat\u00edmco druh\u00fd nemus\u00ed zvl\u00e1dnout z\u00e1t\u011b\u017e, m\u016f\u017ee se p\u0159ed\u010dasn\u011b vypnout nebo \u2013 v krajn\u00edm p\u0159\u00edpad\u011b \u2013 vystavit p\u0159ipojen\u00e9 za\u0159\u00edzen\u00ed probl\u00e9m\u016fm.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tento \u010dl\u00e1nek je ur\u010den firm\u00e1m, ve\u0159ejn\u00fdm instituc\u00edm a pracovn\u00edk\u016fm odpov\u011bdn\u00fdm za IT, kte\u0159\u00ed cht\u011bj\u00ed vybrat UPS pro serverov\u00e9 prost\u0159ed\u00ed nebo pro modernizaci st\u00e1vaj\u00edc\u00ed IT infrastruktury. Vysv\u011btluje, jak UPS funguje, v \u010dem se jednotliv\u00e9 typy li\u0161\u00ed a kter\u00e9 technick\u00e9 parametry jsou p\u0159i n\u00e1kupu skute\u010dn\u011b d\u016fle\u017eit\u00e9: od sinusov\u00e9ho pr\u016fb\u011bhu, v\u00fdkonu a doby z\u00e1lohov\u00e1n\u00ed a\u017e po \u017eivotnost baterie, monitoring a proveden\u00ed sk\u0159\u00edn\u011b. Po p\u0159e\u010dten\u00ed budete v\u011bd\u011bt, na co se zam\u011b\u0159it ve specifikaci, abyste omezili riziko prostoj\u016f, ztr\u00e1ty dat a n\u00e1kladn\u00fdch poruch za\u0159\u00edzen\u00ed.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Co_je_zalozni_zdroj_UPS_a_pred_cim_chrani\" >Co je z\u00e1lo\u017en\u00ed zdroj UPS a p\u0159ed \u010d\u00edm chr\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Typy_zaloznich_zdroju_UPS\" >Typy z\u00e1lo\u017en\u00edch zdroj\u016f UPS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Cisty_sinusovy_prubeh_%E2%80%93_parametr_kteremu_je_treba_venovat_pozornost\" >\u010cist\u00fd sinusov\u00fd pr\u016fb\u011bh \u2013 parametr, kter\u00e9mu je t\u0159eba v\u011bnovat pozornost<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Vykon_UPS_%E2%80%93_VA_watty_a_rozumna_rezerva\" >V\u00fdkon UPS \u2013 VA, watty a rozumn\u00e1 rezerva<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Baterie_%E2%80%93_srdce_UPS\" >Baterie \u2013 srdce UPS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Sprava_a_monitoring\" >Spr\u00e1va a monitoring\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Provedeni_tower_nebo_rack_%E2%80%93_ktere_zvolit\" >Proveden\u00ed tower nebo rack \u2013 kter\u00e9 zvolit?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#Shrnuti_%E2%80%93_kontrolni_seznam_pred_vyberem\" >Shrnut\u00ed \u2013 kontroln\u00ed seznam p\u0159ed v\u00fdb\u011brem<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.senetic.cz\/blog\/1385,zalozni-zdroje-ups-typy-a-parametry-na-co-se-zamerit-pri-vyberu\/#FAQ_%E2%80%93_parametry_a_provoz_UPS\" >FAQ \u2013 parametry a provoz UPS<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Co_je_zalozni_zdroj_UPS_a_pred_cim_chrani\"><\/span><strong>Co je z\u00e1lo\u017en\u00ed zdroj UPS a p\u0159ed \u010d\u00edm chr\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Z\u00e1lo\u017en\u00ed zdroj je spojov\u00e1n p\u0159edev\u0161\u00edm s udr\u017een\u00edm nap\u00e1jen\u00ed b\u011bhem blackoutu. To je v\u0161ak jen \u010d\u00e1st jeho \u00fakolu.<\/span><\/p>\n<p><b>Z\u00e1lo\u017en\u00ed zdroj UPS pln\u00ed dv\u011b funkce sou\u010dasn\u011b.<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"><strong>Prvn\u00ed je z\u00e1lohov\u00e1n\u00ed nap\u00e1jen\u00ed:<\/strong> kdy\u017e dojde k v\u00fdpadku proudu, jednotka p\u0159ejde na bateriov\u00e9 nap\u00e1jen\u00ed a energie je odeb\u00edr\u00e1na z akumul\u00e1tor\u016f po dobu nezbytnou k bezpe\u010dn\u00e9mu vypnut\u00ed syst\u00e9m\u016f. Takov\u00e1 rezerva poskytuje dostatek \u010dasu k vypnut\u00ed po\u010d\u00edta\u010de nebo p\u0159epnut\u00ed syst\u00e9mu na gener\u00e1tor. <\/span><\/li>\n<li><span style=\"font-weight: 400;\"><strong>Druhou, a v ka\u017edodenn\u00edm provozu d\u016fle\u017eit\u011bj\u0161\u00ed funkc\u00ed je filtrov\u00e1n\u00ed a stabilizace kvality elektrick\u00e9 energie.<\/strong> Elektrick\u00e1 s\u00ed\u0165 jen z\u0159\u00eddka dod\u00e1v\u00e1 dokonale stabiln\u00ed nap\u011bt\u00ed. Kr\u00e1tkodob\u00e9 poklesy nap\u011bt\u00ed, p\u0159ep\u011bt\u00ed, mikrov\u00fdpadky, \u0161um a kol\u00eds\u00e1n\u00ed frekvence v nap\u00e1jec\u00ed s\u00edti jsou velmi b\u011b\u017en\u00e9. Pro n\u00e1s to m\u016f\u017ee znamenat nanejv\u00fd\u0161 blik\u00e1n\u00ed sv\u011btel; pro citliv\u00e1 elektronick\u00e1 za\u0159\u00edzen\u00ed a instalace, jako jsou bezpe\u010dnostn\u00ed syst\u00e9my, v\u0161ak p\u0159edstavuj\u00ed mo\u017enost po\u0161kozen\u00ed komponent a riziko n\u00e1hl\u00e9 poruchy.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Je dobr\u00e9 na to pamatovat zejm\u00e9na v l\u00e9t\u011b. <\/span><b>P\u0159ep\u011bt\u00ed zp\u016fsoben\u00e9 atmosf\u00e9rick\u00fdm v\u00fdbojem m\u016f\u017ee zas\u00e1hnout za\u0159\u00edzen\u00ed vzd\u00e1len\u00e1 v\u00edce ne\u017e kilometr od m\u00edsta \u00faderu blesku.<\/b><span style=\"font-weight: 400;\"> Blesk tedy nemus\u00ed ude\u0159it p\u0159\u00edmo do budovy firmy, aby po\u0161kodil nap\u00e1jec\u00ed zdroj serveru nebo diskov\u00e9 \u00falo\u017ei\u0161t\u011b. Ztr\u00e1ta dat je jedna v\u011bc, ale n\u00e1klady, kter\u00e9 firm\u011b vzniknou, jsou druh\u00fdm z\u00e1sadn\u00edm probl\u00e9mem. Spr\u00e1vn\u011b zvolen\u00fd UPS chr\u00e1n\u00ed za\u0159\u00edzen\u00ed nejen p\u0159i blackoutu, ale ka\u017ed\u00fd den.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A s\u00e1zka m\u016f\u017ee b\u00fdt vysok\u00e1. Z ka\u017edoro\u010dn\u00ed zpr\u00e1vy o anal\u00fdze v\u00fdpadk\u016f slu\u017eeb <\/span><a href=\"https:\/\/www.businesswire.com\/news\/home\/20260513289344\/en\/Uptime-Announces-Annual-Outage-Analysis-Report-2026\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Uptime Institute (2026)<\/span><\/a><span style=\"font-weight: 400;\"> vypl\u00fdv\u00e1, \u017ee<strong> v\u00fdpadky nap\u00e1jen\u00ed z\u016fst\u00e1vaj\u00ed hlavn\u00ed p\u0159\u00ed\u010dinou z\u00e1va\u017en\u00fdch IT prostoj\u016f<\/strong>, p\u0159i\u010dem\u017e nej\u010dast\u011bj\u0161\u00ed jsou poruchy zdroj\u016f UPS, p\u0159ep\u00edna\u010d\u016f a gener\u00e1tor\u016f. D\u016fsledky jsou n\u00e1kladn\u00e9: 57\u00a0% firem uv\u00e1d\u00ed, \u017ee jejich posledn\u00ed z\u00e1va\u017en\u00fd v\u00fdpadek st\u00e1l v\u00edce ne\u017e 100 tis. USD, a ka\u017ed\u00e1 p\u00e1t\u00e1 v\u00edce ne\u017e milion dolar\u016f. Jde o data z velk\u00fdch datov\u00fdch center, ale mechanismus je stejn\u00fd i v men\u0161\u00edm m\u011b\u0159\u00edtku: firma s 20\u201330 zam\u011bstnanci, v n\u00ed\u017e se na hodinu zastav\u00ed kritick\u00e9 syst\u00e9my \u2013 e-mail, ERP, p\u0159\u00edstup k soubor\u016fm, prodejn\u00ed termin\u00e1ly \u2013 re\u00e1ln\u011b ztrat\u00ed n\u011bkolik des\u00edtek a\u017e n\u011bkolik set tis\u00edc korun za ka\u017edou takovou hodinu.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Poji\u0161t\u011bn\u00ed bohu\u017eel ne v\u017edy pokryje celou ztr\u00e1tu. Mnoho firemn\u00edch pojistek nevyplat\u00ed \u010d\u00e1stku odpov\u00eddaj\u00edc\u00ed cen\u011b nov\u00e9ho za\u0159\u00edzen\u00ed, ale pouze hodnotu, kterou pou\u017eit\u00e9 za\u0159\u00edzen\u00ed m\u011blo v den poruchy. Pou\u017eit\u00fd server nebo po\u010d\u00edta\u010d m\u00e1 p\u0159itom \u201ena pap\u00ed\u0159e\u201c v\u00fdrazn\u011b ni\u017e\u0161\u00ed hodnotu ne\u017e p\u0159i n\u00e1kupu:<\/span><a href=\"https:\/\/www.insureon.com\/insurance-glossary\/actual-cash-value\" target=\"_blank\" rel=\"nofollow noopener\"> <span style=\"font-weight: 400;\">u IT za\u0159\u00edzen\u00ed m\u016f\u017ee tento rozd\u00edl dosahovat 40\u201360\u00a0%<\/span><\/a><span style=\"font-weight: 400;\">. To znamen\u00e1, \u017ee po zni\u010den\u00ed za\u0159\u00edzen\u00ed v hodnot\u011b 120 000 K\u010d m\u016f\u017eete z\u00edskat nap\u0159\u00edklad n\u00e1hradu 50 000\u201370 000 K\u010d. <\/span><b>Proto se UPS nepova\u017euje za v\u00fddaj, ale za sou\u010d\u00e1st \u0159\u00edzen\u00ed rizik souvisej\u00edc\u00edch s kontinuitou provozu.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V prost\u0159ed\u00ed B2B nezn\u00ed ot\u00e1zka \u201emohu si UPS dovolit\u201c, ale \u201emohu si dovolit hodinu odst\u00e1vky\u201c. Z\u00e1lo\u017en\u00ed zdroj je nejlevn\u011bj\u0161\u00ed pojistkou kontinuity provozu, kterou lze po\u0159\u00eddit \u2013 za p\u0159edpokladu, \u017ee topologii a v\u00fdkon zvol\u00edme podle toho, co skute\u010dn\u011b chr\u00e1n\u00edme.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Typy_zaloznich_zdroju_UPS\"><\/span><b>Typy z\u00e1lo\u017en\u00edch zdroj\u016f UPS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Jednotliv\u00e9 topologie se li\u0161\u00ed p\u0159edev\u0161\u00edm konstrukc\u00ed, principem fungov\u00e1n\u00ed a \u00farovn\u00ed ochrany. Mezin\u00e1rodn\u00ed norma IEC 62040-3 rozd\u011bluje typy UPS do t\u0159\u00ed t\u0159\u00edd \u2013 a pr\u00e1v\u011b t\u00edmto rozhodnut\u00edm, nikoli zna\u010dkou \u010di cenou, by m\u011bl ka\u017ed\u00fd v\u00fdb\u011br za\u010d\u00ednat. V\u00fdrobci tyto topologie popisuj\u00ed ve<\/span><a href=\"https:\/\/www.insight.com\/content\/dam\/insight\/en_US\/pdfs\/apc\/apc-ups-system-different-types.pdf\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\"> sv\u00fdch technick\u00fdch materi\u00e1lech<\/span><\/a><span style=\"font-weight: 400;\">; n\u00ed\u017ee najdete shrnut\u00ed, kter\u00e9 v\u00e1m pom\u016f\u017ee pochopit rozd\u00edly mezi jednotliv\u00fdmi typy z\u00e1lo\u017en\u00edch zdroj\u016f UPS.<\/span><\/p>\n<h3><a href=\"https:\/\/www.senetic.cz\/category\/zdroje-neperuovanho-napjen-ups-15592\/?cat=icecat_817&amp;f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;f_s_icecat_automatic_17474_185=Standby__Offline_\" target=\"_blank\" rel=\"noopener\"><b>Offline \/ standby (VFD)<\/b><\/a><\/h3>\n<p><span style=\"font-weight: 400;\">Nejjednodu\u0161\u0161\u00ed konstrukce, klasifikovan\u00e1 jako<\/span><b> voltage frequency dependent (VFD)<\/b><span style=\"font-weight: 400;\">. P\u0159i b\u011b\u017en\u00e9m provozu proud\u00ed elektrick\u00e1 energie ze z\u00e1suvky p\u0159\u00edmo do za\u0159\u00edzen\u00ed a UPS sleduje parametry nap\u011bt\u00ed v ur\u010den\u00fdch mez\u00edch, zat\u00edmco baterie a st\u0159\u00edda\u010d z\u016fst\u00e1vaj\u00ed v pohotovosti. <\/span><b>P\u0159i v\u00fdpadku nap\u00e1jen\u00ed jednotka p\u0159epne na bateriov\u00e9 nap\u00e1jen\u00ed za 2\u201310 ms.<\/b><span style=\"font-weight: 400;\"> To p\u0159edstavuje dostate\u010dnou ochranu pro jeden kancel\u00e1\u0159sk\u00fd po\u010d\u00edta\u010d v m\u00edst\u011b s relativn\u011b stabiln\u00edm nap\u00e1jen\u00edm. Modely offline\/standby nab\u00edzej\u00ed nejni\u017e\u0161\u00ed \u00farove\u0148 ochrany, jsou v\u0161ak nejlevn\u011bj\u0161\u00ed a energeticky nej\u00fasporn\u011bj\u0161\u00ed, tak\u017ee se hod\u00ed pro jednoduch\u00e9 z\u00e1t\u011b\u017ee a m\u00e9n\u011b n\u00e1ro\u010dn\u00e1 elektrick\u00e1 za\u0159\u00edzen\u00ed.<\/span><\/p>\n<h3><a href=\"https:\/\/www.senetic.cz\/category\/zdroje-neperuovanho-napjen-ups-15592\/?cat=icecat_817&amp;f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;f_s_icecat_automatic_17474_185=Line_Interactive\" target=\"_blank\" rel=\"noopener\"><b>Line-interactive (VI)<\/b><\/a><\/h3>\n<p><span style=\"font-weight: 400;\">Nejb\u011b\u017en\u011bj\u0161\u00ed a nejrozumn\u011bj\u0161\u00ed volbou pro firemn\u00ed pou\u017eit\u00ed je UPS line-interactive, tedy t\u0159\u00edda <\/span><b>voltage independent (VI)<\/b><span style=\"font-weight: 400;\">. Konstrukce takov\u00e9ho zdroje p\u0159ipom\u00edn\u00e1 UPS typu offline, ale p\u0159id\u00e1v\u00e1 kl\u00ed\u010dov\u00fd prvek: automatickou regulaci nap\u011bt\u00ed (AVR). D\u00edky n\u00ed dok\u00e1\u017ee UPS korigovat m\u00edrn\u00e9 poklesy a n\u00e1r\u016fsty s\u00ed\u0165ov\u00e9ho nap\u011bt\u00ed, ani\u017e by p\u0159e\u0161el na bateriov\u00e9 nap\u00e1jen\u00ed. P\u0159i b\u011b\u017en\u00fdch v\u00fdkyvech nap\u011bt\u00ed se tak baterie zbyte\u010dn\u011b nevyb\u00edj\u00ed a p\u0159ipojen\u00e9 za\u0159\u00edzen\u00ed dost\u00e1v\u00e1 stabiln\u011bj\u0161\u00ed nap\u011bt\u00ed. Teprve kdy\u017e parametry s\u00edt\u011b p\u0159ekro\u010d\u00ed rozsah, kter\u00fd AVR dok\u00e1\u017ee korigovat, UPS se p\u0159epne na baterii. Doba takov\u00e9ho p\u0159epnut\u00ed obvykle \u010din\u00ed n\u011bkolik milisekund a pro v\u011bt\u0161inu za\u0159\u00edzen\u00ed se zdroji s odpov\u00eddaj\u00edc\u00ed dobou z\u00e1lohov\u00e1n\u00ed je nepost\u0159ehnuteln\u00e1. Jde o rozumn\u00fd kompromis mezi cenou a ochranou v mal\u00fdch a st\u0159edn\u00edch firm\u00e1ch. Je to tak\u00e9 nej\u010dast\u011bji doporu\u010dovan\u00fd typ pro kancel\u00e1\u0159sk\u00e9 pou\u017eit\u00ed a dobr\u00e1 volba pro p\u0159ipojen\u00e1 za\u0159\u00edzen\u00ed, jako jsou <\/span><b>NAS za\u0159\u00edzen\u00ed nebo<\/b> <b>s\u00ed\u0165ov\u00e1 za\u0159\u00edzen\u00ed<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><a href=\"https:\/\/www.senetic.cz\/category\/zdroje-neperuovanho-napjen-ups-15592\/?cat=icecat_817&amp;f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;f_s_icecat_automatic_17474_185=Double_conversion__Online_\" target=\"_blank\" rel=\"noopener\"><b>Online double-conversion (VFI)<\/b><\/a><\/h3>\n<p><span style=\"font-weight: 400;\">Nejvy\u0161\u0161\u00ed t\u0159\u00edda ochrany, ozna\u010dovan\u00e1 jako <\/span><b>voltage frequency independent (VFI)<\/b><span style=\"font-weight: 400;\">. Proud ze z\u00e1suvky je zde nejprve usm\u011br\u0148ova\u010dem p\u0159eveden na stejnosm\u011brn\u00e9 nap\u011bt\u00ed a n\u00e1sledn\u011b jej st\u0159\u00edda\u010d op\u011bt zm\u011bn\u00ed na st\u0159\u00eddav\u00fd proud, proto UPS realizuje \u201edvojitou konverzi\u201c a zaji\u0161\u0165uje ide\u00e1ln\u00ed sinusov\u00fd pr\u016fb\u011bh. <\/span><b>Za\u0159\u00edzen\u00ed jsou tedy neust\u00e1le nap\u00e1jena p\u0159es konverzn\u00ed obvod a UPS pracuje nep\u0159etr\u017eit\u011b bez ohledu na parametry s\u00edt\u011b, pln\u011b izolov\u00e1n od v\u0161eho, co se v s\u00edti d\u011bje.<\/b><span style=\"font-weight: 400;\"> Toto \u0159e\u0161en\u00ed je ur\u010deno<\/span><b> pro serverovny, diskov\u00e1 pole, zdravotnick\u00e1 za\u0159\u00edzen\u00ed<\/b><span style=\"font-weight: 400;\"> a v\u0161ude tam, kde je nep\u0159ijateln\u00e1 i milisekundov\u00e1 nepravidelnost, v\u010detn\u011b za\u0159\u00edzen\u00ed s vy\u0161\u0161\u00edm v\u00fdkonem montovan\u00fdch do rackov\u00fdch sk\u0159\u00edn\u00ed. Takov\u00fd UPS p\u0159edstavuje v\u011bt\u0161\u00ed investici, ale pro kritickou infrastrukturu jde o samoz\u0159ejm\u00fd n\u00e1klad.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cisty_sinusovy_prubeh_%E2%80%93_parametr_kteremu_je_treba_venovat_pozornost\"><\/span><b>\u010cist\u00fd sinusov\u00fd pr\u016fb\u011bh \u2013 parametr, kter\u00e9mu je t\u0159eba v\u011bnovat pozornost<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Co je \u010dist\u00fd sinusov\u00fd pr\u016fb\u011bh? St\u0159\u00eddav\u00fd proud ze z\u00e1suvky neproud\u00ed rovnom\u011brn\u011b \u2013 jeho nap\u011bt\u00ed v pravideln\u00e9m rytmu stoup\u00e1 a kles\u00e1 v plynul\u00e9, vln\u00edc\u00ed se k\u0159ivce. Pr\u00e1v\u011b tato hladk\u00e1 vlna je \u201esinus\u201c a takov\u00fd proud elektronika o\u010dek\u00e1v\u00e1. Kdy\u017e UPS p\u0159ejde na baterii, mus\u00ed tento pr\u016fb\u011bh s\u00e1m vytvo\u0159it, a pr\u00e1v\u011b zde se projevuje rozd\u00edl mezi jednotliv\u00fdmi za\u0159\u00edzen\u00edmi.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Modern\u00ed zdroje v po\u010d\u00edta\u010d\u00edch a serverech vybaven\u00e9 tzv. <\/span><b>Active PFC o\u010dek\u00e1vaj\u00ed na vstupu \u010dist\u00fd sinusov\u00fd pr\u016fb\u011bh<\/b><span style=\"font-weight: 400;\">, tedy hladk\u00fd tvar v\u00fdstupn\u00edho nap\u011bt\u00ed, stejn\u00fd jako v elektrick\u00e9 s\u00edti. Levn\u011bj\u0161\u00ed UPS p\u0159i nap\u00e1jen\u00ed z baterie generuj\u00ed <\/span><b>aproximovan\u00fd sinusov\u00fd pr\u016fb\u011bh<\/b><span style=\"font-weight: 400;\">: nam\u00edsto plynul\u00e9 vlny jej vytv\u00e1\u0159ej\u00ed \u201epo schodech\u201c, zjednodu\u0161en\u011b \u0159e\u010deno jde o napodoben\u00fd, hranat\u00fd pr\u016fb\u011bh. Probl\u00e9m se projev\u00ed a\u017e p\u0159i v\u00fdpadku proudu, kdy UPS p\u0159ejde na nap\u00e1jen\u00ed z baterie a za\u010dne s\u00e1m vyr\u00e1b\u011bt elektrick\u00fd proud. Pokud pak do za\u0159\u00edzen\u00ed dod\u00e1v\u00e1 \u201eschodovit\u00fd\u201c pr\u016fb\u011bh, zdroj uvnit\u0159 po\u010d\u00edta\u010de nebo serveru, citliv\u00fd na nevhodn\u00fd tvar a kvalitu v\u00fdstupn\u00edho nap\u011bt\u00ed, jej nemus\u00ed p\u0159ijmout. Za\u0159\u00edzen\u00ed se m\u016f\u017ee p\u0159i p\u0159epnut\u00ed na baterii vypnout \u2013 tedy pr\u00e1v\u011b ve chv\u00edli, kdy ho m\u011bl UPS zachr\u00e1nit \u2013 a ochrana tak nemus\u00ed fungovat podle o\u010dek\u00e1v\u00e1n\u00ed. V hor\u0161\u00edm p\u0159\u00edpad\u011b bude za\u0159\u00edzen\u00ed fungovat, ale jeho zdroj bude dost\u00e1vat proud, pro kter\u00fd nen\u00ed ur\u010den, co\u017e jej nadm\u011brn\u011b zat\u00ed\u017e\u00ed a \u010dasem zkr\u00e1t\u00ed jeho \u017eivotnost.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Shrnut\u00ed: pro server, NAS a modern\u00ed po\u010d\u00edta\u010d vyb\u00edrejte v\u00fdhradn\u011b UPS s \u010dist\u00fdm sinusov\u00fdm pr\u016fb\u011bhem. Pro jednoduch\u00e9 kancel\u00e1\u0159sk\u00e9 vybaven\u00ed bez Active PFC obvykle posta\u010duje aproximovan\u00fd sinusov\u00fd pr\u016fb\u011bh.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vykon_UPS_%E2%80%93_VA_watty_a_rozumna_rezerva\"><\/span><b>V\u00fdkon UPS \u2013 VA, watty a rozumn\u00e1 rezerva<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Dv\u011b hodnoty na krytu UPS mohou vypadat matouc\u00edm zp\u016fsobem podobn\u011b, ale znamenaj\u00ed n\u011bco jin\u00e9ho. <\/span><b>VA (voltamp\u00e9ry) p\u0159edstavuj\u00ed zd\u00e1nliv\u00fd v\u00fdkon, W (watty) pak \u010dinn\u00fd v\u00fdkon skute\u010dn\u011b dod\u00e1van\u00fd za\u0159\u00edzen\u00edm. <\/b><span style=\"font-weight: 400;\">U po\u010d\u00edta\u010d\u016f a server\u016f se pom\u011br watt\u016f k VA (\u00fa\u010din\u00edk) obvykle pohybuje od 0,6 do 0,9, proto m\u016f\u017ee v\u00fdb\u011br zdroje \u201eod oka\u201c pouze podle hodnoty VA selhat.<\/span><\/p>\n<h3><b>Jak zvolit v\u00fdkon UPS?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Se\u010dt\u011bte skute\u010dn\u00fd p\u0159\u00edkon chr\u00e1n\u011bn\u00fdch za\u0159\u00edzen\u00ed ve wattech, zohledn\u011bte tak\u00e9 za\u0159\u00edzen\u00ed, kter\u00e1 pl\u00e1nujete p\u0159ipojit nyn\u00ed i p\u0159i nejbli\u017e\u0161\u00edm roz\u0161\u00ed\u0159en\u00ed, p\u0159idejte 20\u201330\u00a0% rezervu pro budouc\u00ed roz\u0161\u00ed\u0159en\u00ed a kr\u00e1tkodob\u00e9 odb\u011brov\u00e9 \u0161pi\u010dky a pot\u00e9 vyberte UPS tak, aby toto zat\u00ed\u017een\u00ed nep\u0159ekro\u010dilo 70\u201380\u00a0% jeho jmenovit\u00e9ho v\u00fdkonu. Pokud jde o v\u00fdkon zdroje, pro jednoduch\u00e9 pou\u017eit\u00ed je vhodn\u00e9 za\u010d\u00edt alespo\u0148 na 500 VA, p\u0159i\u010dem\u017e typick\u00fd rozsah je 500\u20131000 VA. UPS, kter\u00fd trvale pracuje na hranici sv\u00fdch mo\u017enost\u00ed, se zah\u0159\u00edv\u00e1, rychleji opot\u0159ebov\u00e1v\u00e1 baterii a neposkytuje rezervu pro roz\u0161\u00ed\u0159en\u00ed. Pro server se obvykle vol\u00ed UPS s v\u00fdkonem minim\u00e1ln\u011b 1000 VA.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Je t\u0159eba pamatovat na to, \u017ee UPS je vyrovn\u00e1vac\u00ed prvek pro bezpe\u010dn\u00e9 vypnut\u00ed syst\u00e9m\u016f nebo p\u0159epnut\u00ed na gener\u00e1tor, nikoli zdroj elektrick\u00e9 energie. \u00dakolem UPS je poskytnout n\u011bkolik a\u017e n\u011bkolik des\u00edtek minut pro \u0159\u00edzen\u00fd provoz, proto nen\u00ed d\u016fle\u017eit\u00e1 pouze v\u00fdkonov\u00e1 rezerva, ale tak\u00e9 doba z\u00e1lohov\u00e1n\u00ed a provozn\u00ed doba na baterii. Jako stanovenou dobu pot\u0159ebnou pro bezpe\u010dnou reakci je vhodn\u00e9 po\u010d\u00edtat minim\u00e1ln\u011b s 5 minutami, proto\u017ee takov\u00e1 doba provozu obvykle sta\u010d\u00ed k ulo\u017een\u00ed pr\u00e1ce a ukon\u010den\u00ed syst\u00e9m\u016f. Del\u0161\u00ed dobu z\u00e1lohov\u00e1n\u00ed zaji\u0161\u0165uj\u00ed p\u0159\u00eddavn\u00e9 bateriov\u00e9 moduly (EBM), nikoli \u201ev\u00fdkonn\u011bj\u0161\u00ed\u201c UPS.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Baterie_%E2%80%93_srdce_UPS\"><\/span><b>Baterie \u2013 srdce UPS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Baterie je sou\u010d\u00e1st, kter\u00e1 se opot\u0159ebov\u00e1v\u00e1 nejrychleji a nej\u010dast\u011bji rozhoduje o tom, kdy je nutn\u00e9 UPS skute\u010dn\u011b obnovit. Je dobr\u00e9 zn\u00e1t dv\u011b skute\u010dnosti, kter\u00e9 pomohou p\u0159edej\u00edt p\u0159ekvapen\u00edm.<\/span><\/p>\n<p><b>Zaprv\u00e9, \u017eivotnost.<\/b><span style=\"font-weight: 400;\"> Olov\u011bn\u00e9 akumul\u00e1tory (VRLA) pou\u017e\u00edvan\u00e9 ve v\u011bt\u0161in\u011b UPS obvykle vydr\u017e\u00ed 3\u20135 let a pln\u00ed funkci kl\u00ed\u010dov\u00e9ho \u00falo\u017ei\u0161t\u011b elektrick\u00e9 energie, proto pr\u00e1v\u011b akumul\u00e1tory do zna\u010dn\u00e9 m\u00edry rozhoduj\u00ed o \u00fa\u010dinnosti z\u00e1lohov\u00e1n\u00ed. Lithium-iontov\u00e9 baterie (Li-Ion), kter\u00e9 se st\u00e1le \u010dast\u011bji pou\u017e\u00edvaj\u00ed v za\u0159\u00edzen\u00edch vy\u0161\u0161\u00ed t\u0159\u00eddy, vydr\u017e\u00ed 8\u201310 let, l\u00e9pe sn\u00e1\u0161ej\u00ed vy\u0161\u0161\u00ed teploty a zab\u00edraj\u00ed m\u00e9n\u011b m\u00edsta, tak\u017ee i p\u0159es vy\u0161\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed cenu \u010dasto sni\u017euj\u00ed celkov\u00e9 n\u00e1klady na vlastnictv\u00ed.<\/span><\/p>\n<p><b>Zadruh\u00e9, teplota.<\/b><span style=\"font-weight: 400;\"> Ka\u017ed\u00fdch 8\u00a0\u00b0C nad 25\u00a0\u00b0C zkracuje \u017eivotnost baterie p\u0159ibli\u017en\u011b na polovinu. Baterie, kter\u00e1 by p\u0159i 25\u00a0\u00b0C vydr\u017eela \u010dty\u0159i roky, m\u016f\u017ee v hork\u00e9 serverovn\u011b (p\u0159ibli\u017en\u011b 33\u00a0\u00b0C) selhat u\u017e po dvou letech. Chladn\u00e9, v\u011btran\u00e9 m\u00edsto je nejlevn\u011bj\u0161\u00ed zp\u016fsob, jak prodlou\u017eit \u017eivotnost baterie UPS. U jednotek pro nep\u0159etr\u017eit\u00fd provoz stoj\u00ed za pozornost tak\u00e9 v\u00fdm\u011bna baterie za provozu (hot-swap) \u2013 umo\u017e\u0148uje vym\u011bnit akumul\u00e1tor bez vypnut\u00ed chr\u00e1n\u011bn\u00e9ho za\u0159\u00edzen\u00ed a b\u011bhem b\u011b\u017en\u00e9ho provozu za\u0159\u00edzen\u00ed nad\u00e1le nab\u00edj\u00ed.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sprava_a_monitoring\"><\/span><b>Spr\u00e1va a monitoring\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">U jednoduch\u00e9ho UPS do kancel\u00e1\u0159e sta\u010d\u00ed, aby fungoval a plnil sv\u016fj \u00fa\u010del. U serveru je d\u016fle\u017eit\u00e9, zda a jak dok\u00e1\u017ee komunikovat s nap\u00e1jen\u00fdm za\u0159\u00edzen\u00edm, tedy <\/span><b>upozornit po\u010d\u00edta\u010d nebo server na v\u00fdpadek nap\u00e1jen\u00ed<\/b><span style=\"font-weight: 400;\"> a zah\u00e1jit jeho bezpe\u010dn\u00e9 vypnut\u00ed d\u0159\u00edve, ne\u017e se vybije baterie. Z\u00e1kladem je p\u0159ipojen\u00ed p\u0159es port USB.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V prost\u0159ed\u00edch se servery a virtualizac\u00ed tuto roli p\u0159eb\u00edr\u00e1 s\u00ed\u0165ov\u00e1 karta (SNMP): umo\u017e\u0148uje vzd\u00e1len\u00fd p\u0159ehled o stavu UPS a automatick\u00e9 vyp\u00edn\u00e1n\u00ed virtu\u00e1ln\u00edch stroj\u016f. Jde o re\u00e1lnou ochranu dat p\u0159ed po\u0161kozen\u00edm p\u0159i nekontrolovan\u00e9m vybit\u00ed. Pokud m\u00e1 UPS st\u00e1t v serverovn\u011b, je p\u0159\u00edtomnost s\u00ed\u0165ov\u00e9 karty (nebo alespo\u0148 slotu pro ni) jedn\u00edm z d\u016fle\u017eit\u011bj\u0161\u00edch parametr\u016f v\u00fdb\u011bru.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Provedeni_tower_nebo_rack_%E2%80%93_ktere_zvolit\"><\/span><b>Proveden\u00ed tower nebo rack \u2013 kter\u00e9 zvolit?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Form\u00e1t sk\u0159\u00edn\u011b je vhodn\u00e9 zvolit podle st\u00e1vaj\u00edc\u00ed infrastruktury. Rackovou jednotku lze namontovat do 19palcov\u00e9 rackov\u00e9 sk\u0159\u00edn\u011b, uspo\u0159\u00e1dat kabel\u00e1\u017e a integrovat ji se zbytkem infrastruktury. Je p\u0159irozenou volbou, pokud je serverovna ji\u017e postavena na rackov\u00e9 sk\u0159\u00edni. Verze tower (voln\u011b stoj\u00edc\u00ed) se osv\u011bd\u010d\u00ed u samostatn\u00e9ho serveru bez sk\u0159\u00edn\u011b nebo v kancel\u00e1\u0159i. Mnoho \u0159ad je dostupn\u00fdch v obou variant\u00e1ch, tak\u017ee form\u00e1t jen z\u0159\u00eddka omezuje v\u00fdb\u011br modelu, ale ovliv\u0148uje pohodl\u00ed p\u0159i instalaci a provozu.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Shrnuti_%E2%80%93_kontrolni_seznam_pred_vyberem\"><\/span><b>Shrnut\u00ed \u2013 kontroln\u00ed seznam p\u0159ed v\u00fdb\u011brem<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">P\u0159i \u010dten\u00ed specifikac\u00ed UPS se zam\u011b\u0159te na n\u00e1sleduj\u00edc\u00ed kontroln\u00ed seznam:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Topologii<\/b><span style=\"font-weight: 400;\">: offline, line-interactive nebo online. Ta ur\u010duje \u00farove\u0148 ochrany a mus\u00ed odpov\u00eddat citlivosti chr\u00e1n\u011bn\u00e9ho za\u0159\u00edzen\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u010cist\u00fd sinusov\u00fd pr\u016fb\u011bh<\/b><span style=\"font-weight: 400;\">: nezbytn\u00fd pro server, NAS a modern\u00ed PC s Active PFC.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u00fdkon (VA a W)<\/b><span style=\"font-weight: 400;\">: s rezervou 20\u201330\u00a0% a zat\u00ed\u017een\u00edm pod 70\u201380\u00a0% jmenovit\u00e9ho v\u00fdkonu.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Baterii<\/b><span style=\"font-weight: 400;\">: typ (VRLA nebo Li-Ion), p\u0159edpokl\u00e1danou \u017eivotnost a mo\u017enost v\u00fdm\u011bny hot-swap.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Spr\u00e1vu<\/b><span style=\"font-weight: 400;\">: port USB a pro serverovnu s\u00ed\u0165ovou kartu (SNMP) s podporou virtualizace.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Form\u00e1t<\/b><span style=\"font-weight: 400;\">: tower nebo rack, p\u0159izp\u016fsoben\u00fd st\u00e1vaj\u00edc\u00ed infrastruktu\u0159e.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Pokud t\u011bchto \u0161est parametr\u016f odpov\u00edd\u00e1, je v\u00fdb\u011br konkr\u00e9tn\u00edho modelu snadn\u00fd. Vyplat\u00ed se tak\u00e9 pod\u00edvat na podrobn\u00fd<\/span><a href=\"https:\/\/www.senetic.cz\/blog\/1333,jak-vybrat-zalozni-zdroj-ups-prehled-zarizeni-apc-by-schneider-electric\/\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">p\u0159ehled model\u016f APC by Schneider Electric<\/span><\/a><span style=\"font-weight: 400;\">, pokud o t\u00e9to zna\u010dce uva\u017eujete. A pokud si nejste jist\u00ed, jak\u00fd v\u00fdkon a topologii zvolit pro svou instalaci, doporu\u010dujeme<\/span><a href=\"https:\/\/www.senetic.cz\/site\/kontakt\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"> konzultovat konfiguraci s poradcem<\/span><\/a><span style=\"font-weight: 400;\"> p\u0159ed n\u00e1kupem.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ_%E2%80%93_parametry_a_provoz_UPS\"><\/span><b>FAQ \u2013 parametry a provoz UPS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>Jak\u00e9 jsou typy UPS?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u0159i z\u00e1kladn\u00ed podle normy IEC 62040-3: offline\/standby (VFD) \u2013 nejjednodu\u0161\u0161\u00ed, pro stabiln\u00ed s\u00ed\u0165; line-interactive (VI) \u2013 s automatickou regulac\u00ed nap\u011bt\u00ed, standard pro kancel\u00e1\u0159e a servery; online double-conversion (VFI) \u2013 nejvy\u0161\u0161\u00ed ochrana s nulovou dobou p\u0159epnut\u00ed, pro serverovny a kritick\u00e1 za\u0159\u00edzen\u00ed.<\/span><\/p>\n<h3><b>Co je \u010dist\u00fd sinusov\u00fd pr\u016fb\u011bh a je v\u017edy pot\u0159eba?\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u010cist\u00fd sinusov\u00fd pr\u016fb\u011bh je plynul\u00fd tvar v\u00fdstupn\u00edho nap\u011bt\u00ed UPS, stejn\u00fd jako v elektrick\u00e9 s\u00edti. Je nezbytn\u00fd pro za\u0159\u00edzen\u00ed s Active PFC \u2013 servery, NAS a modern\u00ed po\u010d\u00edta\u010de. Pro jednoduch\u00e9 kancel\u00e1\u0159sk\u00e9 vybaven\u00ed bez Active PFC posta\u010d\u00ed levn\u011bj\u0161\u00ed aproximovan\u00fd sinusov\u00fd pr\u016fb\u011bh.<\/span><\/p>\n<h3><b>Jak\u00fd je rozd\u00edl mezi VA a W u UPS?\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">VA je zd\u00e1nliv\u00fd v\u00fdkon, W je \u010dinn\u00fd v\u00fdkon (skute\u010dn\u011b dod\u00e1van\u00fd za\u0159\u00edzen\u00edm). UPS nesm\u00ed p\u0159ekro\u010dit ani jednu z t\u011bchto hodnot. UPS vyb\u00edrejte podle re\u00e1ln\u00e9ho odb\u011bru ve wattech, s rezervou 20\u201330\u00a0% a zat\u00ed\u017een\u00edm pod 70\u201380\u00a0% jmenovit\u00e9ho v\u00fdkonu.<\/span><\/p>\n<h3><b>Jak dlouho UPS udr\u017e\u00ed nap\u00e1jen\u00ed?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Obvykle n\u011bkolik a\u017e n\u011bkolik des\u00edtek minut p\u0159i typick\u00e9m zat\u00ed\u017een\u00ed. UPS poskytuje do\u010dasn\u00e9 nap\u00e1jen\u00ed p\u0159ipojen\u00fdch za\u0159\u00edzen\u00ed po dobu z\u00e1vislou na zat\u00ed\u017een\u00ed. Minim\u00e1ln\u011b 5 minut obvykle sta\u010d\u00ed k bezpe\u010dn\u00e9mu ukon\u010den\u00ed syst\u00e9mu nebo vypnut\u00ed po\u010d\u00edta\u010de. Jde o rezervu pro bezpe\u010dn\u00e9 ukon\u010den\u00ed syst\u00e9m\u016f nebo p\u0159epnut\u00ed na gener\u00e1tor, nikoli o gener\u00e1tor. P\u0159esn\u00e1 doba z\u00e1vis\u00ed na v\u00fdkonu jednotky, kapacit\u011b baterie a velikosti zat\u00ed\u017een\u00ed; del\u0161\u00ed z\u00e1lohov\u00e1n\u00ed zaji\u0161\u0165uj\u00ed p\u0159\u00eddavn\u00e9 bateriov\u00e9 moduly (EBM).<\/span><\/p>\n<h3><b>Jak dlouho vydr\u017e\u00ed baterie v UPS a co zkracuje jej\u00ed \u017eivotnost?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Baterie VRLA obvykle vydr\u017e\u00ed 3\u20135 let, lithium-iontov\u00e9 8\u201310 let. Nejd\u016fle\u017eit\u011bj\u0161\u00edm faktorem je teplota: ka\u017ed\u00fdch 8\u00a0\u00b0C nad 25\u00a0\u00b0C zkracuje \u017eivotnost baterie p\u0159ibli\u017en\u011b na polovinu. Chladn\u00e9, v\u011btran\u00e9 m\u00edsto jej\u00ed \u017eivotnost v\u00fdrazn\u011b prodlu\u017euje.<\/span><\/p>\n<h3><b>Co je karta SNMP a pot\u0159ebuji ji?\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">S\u00ed\u0165ov\u00e1 karta SNMP umo\u017e\u0148uje vzd\u00e1len\u00e9 monitorov\u00e1n\u00ed UPS a automatick\u00e9, bezpe\u010dn\u00e9 vyp\u00edn\u00e1n\u00ed syst\u00e9m\u016f a virtu\u00e1ln\u00edch stroj\u016f (Hyper-V, ESXi, vSphere) p\u0159i del\u0161\u00edm v\u00fdpadku. Pro samostatn\u00fd po\u010d\u00edta\u010d posta\u010d\u00ed port USB; pro server a serverovnu je karta SNMP jedn\u00edm z kl\u00ed\u010dov\u00fdch parametr\u016f.<\/span><\/p>\n<h3><b>Co se nesm\u00ed p\u0159ipojovat k UPS?\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Za\u0159\u00edzen\u00ed s vysok\u00fdm impulzn\u00edm odb\u011brem a topn\u00e1 za\u0159\u00edzen\u00ed: laserov\u00e9 tisk\u00e1rny, topidla, rychlovarn\u00e9 konvice, vysava\u010de a za\u0159\u00edzen\u00ed s v\u00fdkonn\u00fdmi motory. Mohou jednotku p\u0159et\u00ed\u017eit a po\u0161kodit baterii. UPS je ur\u010den pro elektroniku: servery, po\u010d\u00edta\u010de, s\u00ed\u0165ov\u00e1 za\u0159\u00edzen\u00ed a monitorovac\u00ed syst\u00e9my.<\/span><\/p>\n<hr \/>\n<p><b>Kompletn\u00ed aktu\u00e1ln\u00ed nab\u00eddku z\u00e1lo\u017en\u00edch zdroj\u016f UPS najdete<\/b><a href=\"https:\/\/www.senetic.cz\/category\/zdroje-neperuovanho-napjen-ups-15592\/\" target=\"_blank\" rel=\"noopener\"><b> v obchod\u011b Senetic<\/b><\/a><b> \u2013 od jednotek pro jedno pracovi\u0161t\u011b a\u017e po zdroje pro serverovny.\u00a0<\/b><\/p>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Z\u00e1lo\u017en\u00ed zdroje UPS se d\u011bl\u00ed do t\u0159\u00ed z\u00e1kladn\u00edch typ\u016f: offline\/standby, line-interactive a online double-conversion. Pr\u00e1v\u011b tento rozd\u00edl rozhoduje o tom, zda za\u0159\u00edzen\u00ed pouze udr\u017e\u00ed nap\u00e1jen\u00ed, nebo skute\u010dn\u011b ochr\u00e1n\u00ed server, \u00falo\u017ei\u0161t\u011b \u010di pracovn\u00ed stanici p\u0159ed d\u016fsledky v\u00fdpadku proudu a probl\u00e9my s kvalitou elektrick\u00e9 energie. Z\u00e1lo\u017en\u00ed zdroj UPS b\u00fdv\u00e1 pova\u017eov\u00e1n za b\u011b\u017enou \u201eprodlu\u017eova\u010dku s bateri\u00ed\u201c, dokud nep\u0159ijde<\/p>\n","protected":false},"author":5,"featured_media":1384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_meta-robots-adv":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","footnotes":""},"categories":[77,3],"tags":[],"class_list":["post-1385","post","type-post","status-publish","format-standard","has-post-thumbnail","category-baterie-a-napajeci-zdroje","category-site-infrastruktura"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Typy UPS a kl\u00ed\u010dov\u00e9 parametry \u2013 pr\u016fvodce | Senetic<\/title>\n<meta name=\"description\" content=\"Typy z\u00e1lo\u017en\u00edch zdroj\u016f UPS a parametry, na kter\u00fdch z\u00e1le\u017e\u00ed. 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