Dob\u0159e, ale t\u011bsn\u011b.<\/strong> Prostor pro r\u016fst je omezen\u00fd.<\/td>| ~5-7 minut<\/td><\/tr><\/tbody><\/table><\/figure> Odm\u00edtnut\u00ed odpov\u011bdnosti: Jedn\u00e1 se o odhady v dobr\u00e9 v\u00ed\u0159e. Pro p\u0159esn\u00e9 ur\u010den\u00ed velikosti v\u017edy zkontrolujte odb\u011br energie konkr\u00e9tn\u00edho za\u0159\u00edzen\u00ed.<\/em><\/p>Jak si vypo\u010d\u00edtat vlastn\u00ed pot\u0159eby ve 3 jednoduch\u00fdch kroc\u00edch<\/strong><\/h2>Nechcete se spol\u00e9hat na p\u0159\u00edklady? Skv\u011bl\u00e9. Zde je n\u00e1vod, jak si vypo\u010d\u00edtat vlastn\u00ed specifick\u00e9 pot\u0159eby.<\/p> Krok 1: Vypi\u0161te sv\u00e1 kritick\u00e1 za\u0159\u00edzen\u00ed.<\/strong> Zapi\u0161te si ka\u017ed\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 je nezbytn\u011b nutn\u00e9 mus\u00ed<\/em> z\u016fstat v provozu p\u0159i v\u00fdpadku proudu. Bu\u010fte bezohledn\u00ed. K\u00e1vovar se do v\u00fdb\u011bru pravd\u011bpodobn\u011b nedostane.<\/p>Krok 2: Zjist\u011bte p\u0159\u00edkon ka\u017ed\u00e9ho za\u0159\u00edzen\u00ed.<\/strong> Pod\u00edvejte se na \u0161t\u00edtek nap\u00e1jen\u00ed na zadn\u00ed stran\u011b za\u0159\u00edzen\u00ed. Hledejte \u010d\u00edslo ve wattech (W). Pokud jsou na n\u011bm uvedeny pouze amp\u00e9ry (A) a volty (V), m\u016f\u017eete pou\u017e\u00edt vzorec: Watty = volty x amp\u00e9ry<\/strong>. (V USA je standardn\u00ed nap\u011bt\u00ed 120 V).<\/p>Tip odborn\u00edka:<\/strong> \u010c\u00edslo na zdroji je jeho maxim\u00e1ln\u00ed mo\u017en\u00fd odb\u011br, nikoliv jeho typick\u00e9 vyu\u017eit\u00ed. Po\u010d\u00edta\u010dov\u00fd zdroj s v\u00fdkonem 750 W m\u00e1lokdy odeb\u00edr\u00e1 konstantn\u00ed v\u00fdkon 750 W. Mnohem p\u0159esn\u011bj\u0161\u00ed \u010d\u00edslo z\u00edsk\u00e1te pomoc\u00ed jednoduch\u00e9ho a levn\u00e9ho m\u011b\u0159i\u010de spot\u0159eby, nap\u0159\u00edklad \"Kill A Watt\", kter\u00fd zm\u011b\u0159\u00ed skute\u010dnou spot\u0159ebu p\u0159i b\u011b\u017en\u00e9m zat\u00ed\u017een\u00ed.<\/p>Krok 3: Se\u010dt\u011bte v\u0161e a p\u0159idejte vyrovn\u00e1vac\u00ed pam\u011b\u0165.<\/strong> Sou\u010det p\u0159\u00edkon\u016f v\u0161ech va\u0161ich za\u0159\u00edzen\u00ed. Nyn\u00ed to nejd\u016fle\u017eit\u011bj\u0161\u00ed: Va\u0161e celkov\u00e9 zat\u00ed\u017een\u00ed by nem\u011blo p\u0159ekro\u010dit 80% jmenovit\u00e9ho v\u00fdkonu UPS.<\/strong> U na\u0161\u00ed 2700W UPS byste m\u011bli usilovat o celkov\u00e9 zat\u00ed\u017een\u00ed pod 2160W<\/strong>. Tato vyrovn\u00e1vac\u00ed pam\u011b\u0165 20% zaji\u0161\u0165uje, \u017ee UPS nen\u00ed neust\u00e1le zat\u011b\u017eov\u00e1na, zvy\u0161uje spolehlivost a ponech\u00e1v\u00e1 v\u00e1m cenn\u00fd prostor pro budouc\u00ed upgrade.<\/p>Nejde jen o to, \"jestli\", ale \"na jak dlouho\": Pochopen\u00ed doby b\u011bhu<\/strong><\/h2>Spr\u00e1vn\u00e9 ur\u010den\u00ed velikosti UPS je jen polovinou \u00fasp\u011bchu. UPS, kter\u00e1 dok\u00e1\u017ee nap\u00e1jet za\u0159\u00edzen\u00ed jen 30 sekund, je k ni\u010demu. Mus\u00edte zn\u00e1t jeho runtime<\/strong>.<\/p>Vztah je jednoduch\u00fd: \u010d\u00edm v\u00edce UPS zat\u00ed\u017e\u00edte, t\u00edm krat\u0161\u00ed je doba provozu.<\/strong> UPS b\u011b\u017e\u00edc\u00ed p\u0159i zat\u00ed\u017een\u00ed 80% m\u016f\u017ee vydr\u017eet 5 minut. Stejn\u00e1 UPS b\u011b\u017e\u00edc\u00ed p\u0159i z\u00e1t\u011b\u017ei 30% by mohla vydr\u017eet 25 minut.<\/p>Ka\u017ed\u00fd renomovan\u00fd v\u00fdrobce UPS uv\u00e1d\u00ed na sv\u00fdch produktov\u00fdch str\u00e1nk\u00e1ch \"tabulku doby provozu\". Je to jednoduch\u00fd graf, kter\u00fd ukazuje odhadovanou dobu z\u00e1lohov\u00e1n\u00ed p\u0159i r\u016fzn\u00fdch \u00farovn\u00edch zat\u00ed\u017een\u00ed (ve wattech). P\u0159ed n\u00e1kupem se v\u017edy pod\u00edvejte do t\u00e9to tabulky!<\/strong> Je to stejn\u011b d\u016fle\u017eit\u00e9 jako hodnocen\u00ed VA a Watt.<\/p>Z\u00e1v\u011br<\/strong><\/h2>Co tedy m\u016f\u017ee UPS o v\u00fdkonu 3000VA nap\u00e1jet? Potenci\u00e1ln\u011b hodn\u011b - a\u017e 2700 watt\u016f modern\u00edho IT vybaven\u00ed. Ale jak jste vid\u011bli, chytr\u00fd p\u0159\u00edstup je myslet nad r\u00e1mec tohoto velk\u00e9ho \u010d\u00edsla VA na krabici.<\/p> Abyste se rozhodli spr\u00e1vn\u011b, nezapome\u0148te na tento t\u0159\u00edbodov\u00fd kontroln\u00ed seznam:<\/p> - Zam\u011b\u0159te se na Watts, ne na VA:<\/strong>\u00a0Zjist\u011bte jmenovit\u00fd v\u00fdkon ve wattech, kter\u00fd je ur\u010den \u00fa\u010din\u00edkem. Je to jedin\u00e9 \u010d\u00edslo, kter\u00e9 je pro va\u0161e za\u0159\u00edzen\u00ed d\u016fle\u017eit\u00e9.<\/li>\n\n
- Vypo\u010d\u00edtejte si zat\u00ed\u017een\u00ed a p\u0159idejte vyrovn\u00e1vac\u00ed pam\u011b\u0165 20%:<\/strong>\u00a0Nevy\u010derp\u00e1vejte UPS hned prvn\u00ed den. Pl\u00e1nujte spolehlivost a budouc\u00ed r\u016fst.<\/li>\n\n
- Pod\u00edvejte se do grafu doby b\u011bhu:<\/strong>\u00a0Ujist\u011bte se, \u017ee doba z\u00e1lohov\u00e1n\u00ed p\u0159i vypo\u010dten\u00e9m zat\u00ed\u017een\u00ed odpov\u00edd\u00e1 va\u0161im pot\u0159eb\u00e1m - a\u0165 u\u017e je to 5 minut pro bezpe\u010dn\u00e9 automatick\u00e9 vypnut\u00ed nebo 30 minut pro p\u0159e\u017eit\u00ed b\u011b\u017en\u00e9ho v\u00fdpadku proudu.<\/li><\/ol>
V\u00fdb\u011br spr\u00e1vn\u00e9 UPS znamen\u00e1, \u017ee si koup\u00edte klid na du\u0161i. Dodr\u017een\u00edm t\u011bchto krok\u016f m\u016f\u017eete p\u0159ej\u00edt od dohad\u016f k informovan\u00e9mu a jist\u00e9mu rozhodnut\u00ed, kter\u00e9 skute\u010dn\u011b ochr\u00e1n\u00ed va\u0161e cenn\u00e9 za\u0159\u00edzen\u00ed a data.<\/p> \u010cASTO KLADEN\u00c9 DOTAZY<\/strong><\/h2>M\u016f\u017ee UPS o v\u00fdkonu 3000VA nap\u00e1jet laserovou tisk\u00e1rnu?<\/strong><\/h3>Technicky vzato ano, ale nikdy byste to nem\u011bli d\u011blat. Laserov\u00e9 tisk\u00e1rny maj\u00ed sou\u010d\u00e1stku zvanou zap\u00e9ka\u010d, kter\u00e1 odeb\u00edr\u00e1 obrovsk\u00fd n\u00e1hl\u00fd p\u0159\u00edkon. To m\u016f\u017ee okam\u017eit\u011b p\u0159et\u00ed\u017eit i velkou UPS a zp\u016fsobit vypnut\u00ed v\u0161eho ostatn\u00edho, co je k n\u00ed p\u0159ipojeno. Tisk\u00e1rny m\u011bjte v samostatn\u00e9 z\u00e1suvce chr\u00e1n\u011bn\u00e9 proti p\u0159ep\u011bt\u00ed.<\/p> Jak\u00fd je rozd\u00edl mezi rackovou a v\u011b\u017eovou UPS 3000VA?<\/strong><\/h3>Uvnit\u0159 jsou funk\u010dn\u011b identick\u00e9. Jedin\u00fdm rozd\u00edlem je fyzick\u00fd tvar (form factor). Jednotka pro mont\u00e1\u017e do racku je ur\u010dena k instalaci do standardn\u00edho 19palcov\u00e9ho serverov\u00e9ho rozvad\u011b\u010de, zat\u00edmco v\u011b\u017eov\u00e1 jednotka je ur\u010dena k postaven\u00ed na podlahu nebo na polici. Vyberte si tu, kter\u00e1 vyhovuje va\u0161emu fyzick\u00e9mu prostoru.<\/p> Kolik server\u016f zvl\u00e1dne UPS o v\u00fdkonu 3000VA?<\/strong><\/h3>Z\u00e1le\u017e\u00ed pouze na serverech. Mohlo by na n\u011bm pohodln\u011b b\u011b\u017eet \u010dty\u0159i nebo p\u011bt server\u016f 1U s n\u00edzkou spot\u0159ebou (ka\u017ed\u00fd kolem 400 W). Naopak by mohl zvl\u00e1dnout pouze jeden nebo dva v\u00fdkonn\u00e9 servery s velk\u00fdm mno\u017estv\u00edm GPU (ka\u017ed\u00fd v\u00edce ne\u017e 1000 W). V\u017edy si spo\u010d\u00edtejte celkov\u00fd p\u0159\u00edkon.<\/p> Co kdy\u017e pozd\u011bji p\u0159id\u00e1m dal\u0161\u00ed za\u0159\u00edzen\u00ed? Mohu UPS roz\u0161\u00ed\u0159it?<\/strong><\/h3>V\u011bt\u0161ina model\u016f UPS vy\u0161\u0161\u00ed t\u0159\u00eddy s v\u00fdkonem 3000VA podporuje extern\u00ed bateriov\u00e9 moduly (EBM). Nem\u016f\u017eete zv\u00fd\u0161it wattovou kapacitu samotn\u00e9 UPS, ale m\u016f\u017eete p\u0159ipojit EBM a v\u00fdrazn\u011b tak prodlou\u017eit dobu provozu. Pokud p\u0159edpokl\u00e1d\u00e1te p\u0159id\u00e1n\u00ed dal\u0161\u00edho za\u0159\u00edzen\u00ed, je lep\u0161\u00ed koupit v\u011bt\u0161\u00ed UPS p\u0159edem.<\/p> <\/p>","protected":false},"excerpt":{"rendered":" Tak\u017ee se d\u00edv\u00e1te na UPS o v\u00fdkonu 3000VA. To u\u017e je po\u0159\u00e1dn\u00fd kus za\u0159\u00edzen\u00ed, jasn\u00fd pokrok oproti mal\u00fdm jednotk\u00e1m zastr\u010den\u00fdm pod stolem. Vyvst\u00e1v\u00e1 v\u0161ak velk\u00e1 ot\u00e1zka: Je to p\u0159\u00edli\u0161 pro va\u0161i dom\u00e1c\u00ed laborato\u0159, nebo to ani zdaleka nesta\u010d\u00ed pro serverov\u00fd rack ve va\u0161\u00ed kancel\u00e1\u0159i? N\u00e1kup \u0161patn\u00e9 velikosti zdroje nep\u0159eru\u0161iteln\u00e9ho nap\u00e1jen\u00ed...<\/p>","protected":false},"author":1,"featured_media":2945,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-4674","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/comments?post=4674"}],"version-history":[{"count":2,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4674\/revisions"}],"predecessor-version":[{"id":4676,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4674\/revisions\/4676"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/2945"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=4674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=4674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=4674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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