{"id":30465,"date":"2019-10-31T21:35:40","date_gmt":"2019-10-31T18:35:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/monoblochnye-protiv-modulnyh-ibp\/"},"modified":"2019-10-31T21:35:40","modified_gmt":"2019-10-31T18:35:40","slug":"monoblochnye-protiv-modulnyh-ibp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/monoblochnye-protiv-modulnyh-ibp","title":{"rendered":"UPS monoblocco contro modulare","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><em>Guida rapida per principianti su perch\u00e9 gli UPS modulari siano superiori e come mai.<\/em> <\/p>\n<p><img decoding=\"async\" alt=\"UPS monoblocco contro modulare\" src=\"\/wp-content\/uploads\/2019\/03\/efb2902ed0906288b99da298fec7131e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><em>Le fonti di alimentazione ininterrotta per i centri di elaborazione dati si dividono in due grandi categorie in base alla loro architettura: monoblocco e modulare. I primi appartengono alla tipologia tradizionale di UPS, mentre i secondi sono relativamente nuovi e pi\u00f9 avanzati.<\/em><\/p>\n<p>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Quali sono le differenze tra UPS monoblocco e modulare<\/h2>\n<p><\/p>\n<p>Negli UPS monoblocco, la potenza di uscita \u00e8 fornita da un singolo modulo di potenza. Negli UPS modulari, i componenti principali sono realizzati in moduli separati, che vengono collocati in armadi unificati e lavorano insieme. Ognuno di questi moduli \u00e8 dotato di un processore di controllo, un dispositivo di carica, un inverter, un raddrizzatore e costituisce una parte di potenza completa dell'UPS. <\/p>\n<p><\/p>\n<p>Spieghiamo questo con un semplice esempio. Se prendiamo due fonti di alimentazione ininterrotta \u2013 monoblocco e modulare \u2013 con potenza di 40 kVA, il primo avr\u00e0 un singolo modulo di potenza da 40 kVA, mentre il secondo sar\u00e0 composto, ad esempio, da quattro moduli di potenza da 10 kVA ciascuno.<\/p>\n<p><img decoding=\"async\" alt=\"UPS monoblocco contro modulare\" src=\"\/wp-content\/uploads\/2019\/03\/f35ed248e5b98293d27db52b3bd95d7a.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Possibilit\u00e0 di scalabilit\u00e0<\/h2>\n<p><\/p>\n<p>Quando si utilizzano UPS monoblocco e aumenta la necessit\u00e0 di alimentazione, \u00e8 necessario collegare in parallelo un'altra unit\u00e0 dello stesso tipo e potenza. Questo \u00e8 un processo abbastanza complesso. <\/p>\n<p><\/p>\n<p>Le soluzioni modulari offrono una maggiore flessibilit\u00e0 costruttiva. In questo caso, \u00e8 possibile collegare uno o pi\u00f9 moduli a un'unit\u00e0 gi\u00e0 funzionante. Questa \u00e8 una procedura piuttosto semplice che pu\u00f2 essere completata in poco tempo. <\/p>\n<p><img decoding=\"async\" alt=\"UPS monoblocco contro modulare\" src=\"\/wp-content\/uploads\/2019\/03\/a85eb75eab62be243e1d453b9747027c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Possibilit\u00e0 di aumentare gradualmente la potenza<\/h2>\n<p><\/p>\n<p>L'aumento graduale della potenza \u00e8 importante nelle fasi iniziali del funzionamento del Data Center. \u00c8 del tutto logico che nei primi mesi sar\u00e0 caricato al 30-40%. \u00c8 pi\u00f9 pratico ed economico utilizzare fonti di alimentazione ininterrotta progettate per questa potenza. Man mano che la base clienti cresce, il carico del Data Center aumenter\u00e0, e con esso aumenter\u00e0 la necessit\u00e0 di alimentazione supplementare. <\/p>\n<p><\/p>\n<p>\u00c8 comodo aumentare gradualmente la potenza dell'UPS in fase con l'infrastruttura tecnica. Con le fonti di alimentazione monoblocco, l'aumento graduale della potenza \u00e8 in linea di principio impossibile. Con gli UPS modulari \u00e8 facilmente realizzabile. <\/p>\n<p><\/p>\n<h2>Affidabilit\u00e0 UPS<\/h2>\n<p><\/p>\n<p>Parlando di affidabilit\u00e0, ci riferiremo a due concetti: il tempo medio tra i guasti (MTBF) e il tempo medio di ripristino del sistema (MTTR). <\/p>\n<p><\/p>\n<p>Il MTBF \u00e8 una grandezza probabilistica. Il valore del tempo medio tra i guasti si basa sul seguente postulato: l'affidabilit\u00e0 del sistema diminuisce con l'aumentare del numero dei suoi componenti. <\/p>\n<p><\/p>\n<p>Sotto questo aspetto, i UPS monoblocco hanno un vantaggio. La ragione \u00e8 semplice: nei sistemi modulari ci sono pi\u00f9 elementi costruttivi e connessioni staccabili, ciascuno dei quali \u00e8 considerato un potenziale punto di guasto. Di conseguenza, teoricamente la possibilit\u00e0 di guasto \u00e8 pi\u00f9 alta qui. <\/p>\n<p><\/p>\n<p>Tuttavia, per i sistemi di alimentazione UPS utilizzati nei data center, non \u00e8 importante il guasto stesso, ma quanto tempo l'UPS rimarr\u00e0 fuori servizio. Questo parametro \u00e8 definito dal tempo medio di ripristino del sistema (MTTR). <\/p>\n<p><\/p>\n<p>Qui il vantaggio \u00e8 gi\u00e0 a favore dei moduli. Si distinguono per il basso valore MTTR, poich\u00e9 qualsiasi modulo pu\u00f2 essere rapidamente sostituito senza interruzione dell'alimentazione elettrica. Per questo \u00e8 necessario che il modulo sia disponibile e che un tecnico possa eseguire il suo smontaggio e montaggio. In effetti, ci\u00f2 richiede non pi\u00f9 di 30 minuti.<\/p>\n<p><\/p>\n<p>Con le fonti di alimentazione monoblocco la situazione \u00e8 decisamente pi\u00f9 complicata. La loro riparazione non pu\u00f2 essere eseguita cos\u00ec rapidamente. Ci\u00f2 pu\u00f2 richiedere da alcune ore a diversi giorni.<\/p>\n<p><\/p>\n<p>Per determinare l'affidabilit\u00e0 del sistema si pu\u00f2 utilizzare un altro parametro: la disponibilit\u00e0, o in altre parole, l'operativit\u00e0. Questo indicatore \u00e8 tanto pi\u00f9 alto quanto maggiore \u00e8 il tempo medio tra guasti (MTBF) e minore \u00e8 il tempo medio di ripristino del sistema (MTTR). La formula corrispondente \u00e8 la seguente:<\/p>\n<p><\/p>\n<p>disponibilit\u00e0 media (operativit\u00e0) =<img decoding=\"async\" alt=\"UPS monoblocco contro modulare\" src=\"\/wp-content\/uploads\/2019\/03\/9e1dd0f930e0eef4bac4db65a2a6ccd8.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Per quanto riguarda i gruppi di continuit\u00e0 modulare, la situazione \u00e8 la seguente: il loro valore MTBF \u00e8 inferiore a quello dei monoblocchi, ma allo stesso tempo hanno un significativo indicatore MTTR pi\u00f9 basso. Di conseguenza, l'affidabilit\u00e0 delle fonti di alimentazione ininterrotta modulare risulta superiore. <\/p>\n<p><\/p>\n<h2>Consumo energetico<\/h2>\n<p><\/p>\n<p>Un sistema monoblocco richiede un consumo energetico significativamente maggiore, perch\u00e9 \u00e8 ridondante. Spieghiamo questo con un esempio per uno schema di ridondanza N+1. N \u00e8 la dimensione del carico necessaria per il funzionamento delle attrezzature del data center. In questo caso la consideriamo pari a 90 kVA. Lo schema N+1 significa che nella sistema c'\u00e8 1 elemento di riserva non utilizzato fino al guasto. <\/p>\n<p><\/p>\n<p>Con l'uso di un sistema di continuit\u00e0 monoblocco da 90 kVA per realizzare lo schema N+1, sar\u00e0 necessario utilizzare un altro blocco identico. Pertanto, l'eccesso totale del sistema sar\u00e0 di 90 kVA.<\/p>\n<p><img decoding=\"async\" alt=\"UPS monoblocco contro modulare\" src=\"\/wp-content\/uploads\/2019\/03\/4ba150025a5d73382c29031fb68610dc.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Utilizzando UPS modulari da 30 kVA, la situazione \u00e8 diversa. Con lo stesso carico, per realizzare lo schema N+1 sar\u00e0 necessario un altro modulo identico. Pertanto, l'eccesso totale del sistema sar\u00e0 di soli 30 kVA.<\/p>\n<p><img decoding=\"async\" alt=\"UPS monoblocco contro modulare\" src=\"\/wp-content\/uploads\/2019\/03\/4f608df6318ee7fdcf335c7da7008e47.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Da qui si deduce che l'uso di alimentatori modulari consente di ridurre il consumo energetico del data center nel suo complesso. <\/p>\n<p><\/p>\n<h2>Economia<\/h2>\n<p><\/p>\n<p>Se si confrontano due gruppi di continuit\u00e0 della stessa potenza, un modello monoblocco \u00e8 pi\u00f9 economico di uno modulare. Per questo motivo, i gruppi di continuit\u00e0 monoblocco continuano a essere popolari. Tuttavia, l'aumento della potenza in uscita raddoppier\u00e0 il costo del sistema, poich\u00e9 dovr\u00e0 essere aggiunto un ulteriore modulo identico a quello esistente. Inoltre, sar\u00e0 necessario installare pannelli di commutazione e quadri di distribuzione, nonch\u00e9 stendere nuove linee di cablaggio. <\/p>\n<p><\/p>\n<p>Utilizzando alimentatori modulari, \u00e8 possibile aumentare gradualmente la potenza del sistema. Ci\u00f2 significa che sar\u00e0 necessario acquistare solo un numero sufficiente di moduli per soddisfare la domanda di alimentazione esistente, senza surplus non necessario.<\/p>\n<p><\/p>\n<h2>Conclusione<\/h2>\n<p><\/p>\n<p>Le gruppi di continuit\u00e0 monoposto si caratterizzano per il loro prezzo contenuto, sono semplici da configurare e da usare. Tuttavia, aumentano il consumo energetico dei data center e sono difficili da scalare. Questi sistemi sono adatti ed efficaci dove sono richieste potenze ridotte e non \u00e8 previsto un ampliamento.<\/p>\n<p><\/p>\n<p>Gli UPS modulari sono caratterizzati da una facile scalabilit\u00e0, tempi di ripristino minimi, alta affidabilit\u00e0 e funzionalit\u00e0. Questi sistemi sono ottimali per aumentare la potenza dei data center senza limiti e con costi minimi. <\/p>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/445684\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0440\u0430\u0442\u043a\u0438\u0439 \u043b\u0438\u043a\u0431\u0435\u0437 \u0434\u043b\u044f \u043d\u043e\u0432\u0438\u0447\u043a\u043e\u0432 \u043e \u0442\u043e\u043c, \u043f\u043e\u0447\u0435\u043c\u0443 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u044b\u0435 \u0418\u0411\u041f \u043a\u0440\u0443\u0447\u0435 \u0438 \u043a\u0430\u043a \u0442\u0430\u043a \u0432\u044b\u0448\u043b\u043e. \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438 \u0431\u0435\u0441\u043f\u0435\u0440\u0435\u0431\u043e\u0439\u043d\u043e\u0433\u043e \u043f\u0438\u0442\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u0446\u0435\u043d\u0442\u0440\u043e\u0432 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\u043f\u0440\u043e\u0434\u0432\u0438\u043d\u0443\u0442\u044b\u043c\u0438. \u0427\u0435\u043c \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u043c\u043e\u043d\u043e\u0431\u043b\u043e\u0447\u043d\u044b\u0435 \u0438 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u044b\u0435 \u0418\u0411\u041f \u0412 \u043c\u043e\u043d\u043e\u0431\u043b\u043e\u0447\u043d\u044b\u0445 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0430\u0445 \u0431\u0435\u0441\u043f\u0435\u0440\u0435\u0431\u043e\u0439\u043d\u043e\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22465,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-30465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 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property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T18:35:40+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T18:35:40+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Monoposto vs moduli UPS | ProHoster","description":"Una breve introduzione per i principianti su perch\u00e9 gli UPS modulari siano superiori e come mai. Gli alimentatori senza interruzioni per i data center si dividono in due grandi categorie in base all'architettura: monoposto e modulari. I primi appartengono al tipo tradizionale di UPS, mentre i secondi sono relativamente nuovi e pi\u00f9 avanzati. Quali sono le differenze tra gli UPS monoposto e quelli modulari? 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