{"id":36838,"date":"2019-10-31T22:14:07","date_gmt":"2019-10-31T19:14:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/energoeffektivnost-v-ofise-kak-snizit-realnoe-energopotreblenie\/"},"modified":"2019-10-31T22:14:07","modified_gmt":"2019-10-31T19:14:07","slug":"energoeffektivnost-v-ofise-kak-snizit-realnoe-energopotreblenie","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/energoeffektivnost-v-ofise-kak-snizit-realnoe-energopotreblenie","title":{"rendered":"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><em>Mnogo govorimo o mogu\u0107nostima u\u0161tede energije u podatkovnim centrima kroz pa\u017eljivo raspore\u0111ivanje opreme, optimalno klimatiziranje i centralizirano upravljanje napajanjem. Danas \u0107emo razgovarati o tome kako mo\u017eemo u\u0161tedjeti energiju u uredu. <\/em><\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/cc687ebe7c78d60c0ee83869982e6f51.jpeg\" style=\"display:block;margin: 0 auto;\" \/><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Za razliku od podatkovnih centara, elektri\u010dna energija u uredima potrebna je ne samo tehnologiji, ve\u0107 i ljudima. Stoga ovdje nije mogu\u0107e posti\u0107i PUE koeficijent na razini od 1.5\u20132, kao u modernim DC-ima. Ljudi trebaju grijanje, osvjetljenje, klimatizaciju, koriste mikrovalne pe\u0107nice, voze se liftovima i stalno uklju\u010duju aparate za kavu. IT oprema \u010dini samo 10\u201320 % potro\u0161nje energije, dok svu ostalu energiju tro\u0161i oprema potrebna ljudima.<\/p>\n<p><\/p>\n<p>To \u010desto stvara probleme, jer se u mnogim gradovima Ruske Federacije proizvodi manje energije nego \u0161to se tro\u0161i. <noindex><a rel=\"nofollow\" href=\"http:\/\/www.riarating.ru\/regions\/20180307\/630084980.html\">Prema podacima SO EES<\/a><\/noindex>, 2017. godine takva situacija je postojala u 49 regija Ruske Federacije, unato\u010d stavljanju u upotrebu vi\u0161e od 25 GW snage u posljednjih 5 godina. Veliki uredski centri u Moskvi i drugim metropolama \u010desto ne mogu osigurati veliki rezervni kapacitet za svakog zakupca. Stoga optimizacija potro\u0161nje energije ostaje ne samo na\u010din za u\u0161tedu, ve\u0107 i konkurentska prednost, metoda prilagodbe suvremenim uvjetima. <\/p>\n<p><\/p>\n<h2>Ne treba grijati (i hladiti) prazan ured<\/h2>\n<p><\/p>\n<p>Prema statistikama, najskuplje je klimatiziranje prostora. Zimi uredi zahtijevaju grijanje, a ljeti \u2013 hla\u0111enje. Stoga na klimatizacijske i grijne ure\u0111aje odlazi vi\u0161e od polovice svih tro\u0161kova energije. Me\u0111utim, druga oprema i osvjetljenje tako\u0111er doprinose zna\u010dajnom udjelu mjese\u010dnom ra\u010dunu, koji se po \u017eelji mo\u017ee smanjiti za desetke posto.<\/p>\n<p><\/p>\n<p>Klimatizacijski ure\u0111aji i grijne naprave mogu raditi neprekidno, ali to nema nikakvog smisla ako nema nikoga u uredu, primjerice no\u0107u ili tijekom vikenda. Kori\u0161tenjem programabilnih termostata mogu\u0107e je postaviti uklju\u010divanje i isklju\u010divanje klimatizacijske opreme prema rasporedu, tako da do dolaska osoblja u uredu bude odgovaraju\u0107a temperatura, dok su u isto vrijeme izbjegnuti nepotrebni tro\u0161kovi kada ljudi jednostavno nisu na radnim mjestima. <\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/abb7835b5d8b260bc735b59b0c217446.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Kontrola prozora poma\u017ee u u\u0161tedi<\/h2>\n<p><\/p>\n<p>Velika okna, koja su karakteristi\u010dna za moderne urede, glavni su uzroci gubitka energije. Zimi kroz njih izlazi toplina, a ljeti se zrak zagrijava, \u0161to zatim zahtijeva hla\u0111enje. Stoga, ako je energetska u\u010dinkovitost prioritet, potrebno je ne\u0161to u\u010diniti s prozorima. Najefikasnije opcije uklju\u010duju:<\/p>\n<ul>\n<li>Kori\u0161tenje specijalnih filmova i stakala koja zadr\u017eavaju toplinu (za sjeverne regije) i ne dopu\u0161taju suncu da prekomjerno zagrije zrak (u ju\u017enim regijama).<\/li>\n<li>Postavljanje roletni i \u017ealuzina s automatskim pogonom. Mogu\u0107e je programirati zatvaranje i otvaranje prozora prema tajmeru, kao i ovisno o temperaturi zraka u uredu i vani.<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/4cd7d0ff35521447d6b64effae8c22d7.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Mo\u017ee se zimi koristiti energija IT opreme.<\/h2>\n<p><\/p>\n<p>PC-i i serveri, postavljeni odmah unutar radnog podru\u010dja, ne stvaraju samo mnogo buke, ve\u0107 tako\u0111er zagrijavaju zrak. Potro\u0161nja energije modernog ra\u010dunala iznosi oko 100\u2013200 W, a ako u uredu radi samo dvadeset ljudi, njihova oprema stvara toplinu ekvivalentnu uljnom radijatoru od 2 kW. <\/p>\n<p><\/p>\n<p>Budu\u0107i da se danas sve vi\u0161e koristi virtualizacija radnih mjesta, mogu\u0107e je smjestiti sve optere\u0107enja u serversku prostoriju, a korisnicima omogu\u0107iti pristup putem energetski ekonomi\u010dnih tankih klijenata. Osim pove\u0107anja udobnosti u uredu ljeti, ovaj pristup omogu\u0107ava dodatno grijanje zimi. Za to je potrebno isplanirati sustav ventilacije i rekuperacije (prijenos topline), kako bi zrak koji izlazi iz servera grijao uredski prostor. <\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/2be20805df5246bc868c53322726f2ee.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Pametno osvjetljenje <\/h2>\n<p><\/p>\n<p>Tro\u0161kovi osvjetljenja znatno su smanjeni s pojavom LED \u017earulja. Inteligentno upravljanje svjetlom dodatno omogu\u0107ava smanjenje tro\u0161kova.<\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/578b6e556b9798af28d6f1b73a71bd6b.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><em>Modul za upravljanje svjetlom s senzorom pokreta<\/em><\/p>\n<p>Na primjer, prekida\u010di s senzorima pokreta i osvjetljenja omogu\u0107uju uklju\u010divanje svjetla samo u onim situacijama kada se u prostorijama nalaze ljudi, a vanjske svjetlosti iz prozora nije dovoljno za udoban rad. \u0160tovi\u0161e, moderni DALI lampi podr\u017eavaju mogu\u0107nost inteligentnog zatamnjivanja. Na temelju o\u010ditanja senzora, sustav upravljanja uklju\u010duje svjetiljke s onom snagom koja je potrebna za postizanje optimalne razine osvjetljenja. Ovim pristupom, tijekom sun\u010danog dana u uredu ne\u0107e biti tro\u0161kova za umjetnu svjetlost, a kako se bli\u017ei ve\u010der, lampe \u0107e po\u010deti svijetliti sve ja\u010de. <\/p>\n<h2>Upravljanje energijom<\/h2>\n<p><\/p>\n<p>Sko\u010denja napona i druge smetnje su uobi\u010dajena pojava u na\u0161im elektro mre\u017eama. Kako bi se za\u0161titila osjetljiva oprema od njih, koriste se aktivni filteri. Neprekidni izvori napajanja (UPS) osiguravaju rad kriti\u010dno va\u017enih ure\u0111aja prilikom isklju\u010denja elektri\u010dne energije.<\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/d4aa68d04fd1e4ee9fef64f87f2dccda.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><em>Blok za upravljanje energijom Delta PCS<\/em><\/p>\n<p>Jo\u0161 ve\u0107eg u\u010dinka mogu\u0107e je posti\u0107i instalacijom sustava za upravljanje energijom. Na primjer, Delta PCS (Power Conditioning System) sustavi koriste akumulatore kako bi nadoknadili vrhove potro\u0161nje energije bez stvaranja dodatnog optere\u0107enja na sredi\u0161njoj elektro mre\u017ei. Osim toga, poma\u017eu u rje\u0161avanju problema reaktivne snage. Zbog nerazmjernog rasporeda optere\u0107enja u elektro mre\u017eama (uklju\u010den lift, netko u uredu kuha kavu, sprema\u010dica radi usisava\u010dem) dio snage postaje reaktivna, \u0161to rezultira zagrijavanjem provodnika i opreme. Razina gubitaka u ovom slu\u010daju mo\u017ee iznositi od nekoliko postotaka do 50 % od korisne snage. Pokazatelj reaktivne snage ozbiljno raste s pove\u0107anjem broja elektroni\u010dkih ure\u0111aja koji se koriste u zgradi. U ovom slu\u010daju, PCS rje\u0161enja omogu\u0107uju smanjenje razine reaktivne snage i zna\u010dajno smanjenje potro\u0161nje energije.<\/p>\n<h2>Integrirano upravljanje napajanjem<\/h2>\n<p><\/p>\n<p>Maksimalne u\u0161tede energije mogu\u0107e su kori\u0161tenjem sveobuhvatnog sustava pra\u0107enja i upravljanja potro\u0161njom energije. Na primjer, rje\u0161enja Delta enteliWEB omogu\u0107uju upravljanje in\u017eenjerskim sustavima zgrade ili ureda putem web su\u010delja. Mo\u017eete povezati klima ure\u0111aje, grijalice, lampice i svjetiljke, kao i ku\u0107anske aparate \u2014 zapravo bilo koji ure\u0111aj sa standardnim su\u010deljima. Nakon toga, mo\u0107i \u0107ete kontrolirati potro\u0161nju energije cijele mre\u017ee, identificirati izvore optere\u0107enja i upravljati pogonima i relejima kako biste osigurali maksimalnu udobnost i energetsku u\u010dinkovitost. Takvo rje\u0161enje predstavljeno je na izlo\u017ebi COMPUTEX 2019. \"Zeleni\" kino (link na pro\u0161li post) samostalno odre\u0111uje prisutnost i broj gledatelja u dvorani, te upravlja osvjetljenjem i pogonima zavjesa na prozorima, mijenjaju\u0107i osvjetljenje prije prikazivanja, tijekom projekcije i nakon zavr\u0161etka. <\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/732836ddf72abde7f739a7f63c322d8c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><em>Sustav upravljanja Delta enteliWEB<\/em><\/p>\n<h2>Kada je potrebna ve\u0107a energija<\/h2>\n<p><\/p>\n<p>\u010cesto elektroenergetske mre\u017ee jednostavno ne mogu osigurati dodatnu snagu tvrtki, ili je njezina cijena vrlo visoka. Praksa pokazuje da se za osiguravanje vr\u0161nog optere\u0107enja mogu koristiti dodatne baterije i izvori nepokretne energije. Zalihe energije bit \u0107e dovoljno za kratkotrajni porast optere\u0107enja. Na primjer, prikazane na <noindex><a rel=\"nofollow\" href=\"http:\/\/www.deltaww.com\/news\/pressDetail.aspx?secID=3&amp;amp;pID=1&amp;amp;typeID=1;2&amp;amp;itemID=9350&amp;amp;tid=0&amp;amp;hl=en-US\">COMPUTEX 2019 <\/a><\/noindex>sistemi za skladi\u0161tenje energije Battery Energy Storage razvijeni su upravo za rje\u0161avanje sli\u010dnih zadataka.<\/p>\n<p><img decoding=\"async\" alt=\"Energetska efikasnost u uredu: kako smanjiti stvarnu potro\u0161nju energije?\" src=\"\/wp-content\/uploads\/2019\/08\/15ff7647b014f1e5fcf85474274df24a.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><em>Novi Delta PV inverteri<\/em><\/p>\n<p><\/p>\n<p>Me\u0111utim, nitko ne zanemaruje \"zeleno\" energiju koja se mo\u017ee dobiti iz sunca i vjetra. Moderne visokoefikasne solarne plo\u010de mogu biti izvor nekoliko dodatnih kilovata, a Delta PV inverter M70A omogu\u0107uje kori\u0161tenje energije dobivene iz sunca, dok razina u\u010dinkovitosti iznosi 98,7%. Uz to, inverter se integrira s obla\u010dnim sustavima pra\u0107enja proizvodnje elektri\u010dne energije.<\/p>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/delta\/blog\/462315\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u044b \u043c\u043d\u043e\u0433\u043e \u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u0445 \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0438 \u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0432 \u0426\u041e\u0414 \u0437\u0430 \u0441\u0447\u0435\u0442 \u043f\u0440\u043e\u0434\u0443\u043c\u0430\u043d\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f, \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e 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[&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27599,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-36838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041c\u044b \u043c\u043d\u043e\u0433\u043e \u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u0445 \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0438 \u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0432 \u0426\u041e\u0414 \u0437\u0430 \u0441\u0447\u0435\u0442 \u043f\u0440\u043e\u0434\u0443\u043c\u0430\u043d\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f 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