Kai ne injiniyan wurin zauren bayanai na 1 MW: chillers, madaurin ruwan sanyi, batirin UPS da janareta na jiran-aiki. Zafi yana tafiya daga sabar zuwa iska, daga iska zuwa ruwa, sannan zuwa waje — kuma kowane watt da ka kashe a sanyaya yana bayyana a PUE.
Abin da za ka koya
Yadda zafi ke tafiya a wuri, da dalilin da yasa madaurin ruwan sanyi ke ba ka mintuna a lokacin rikici.
Dalilin da yasa chillers ke raguwa a ingancin aiki a ranakun zafi (Carnot COP) da abin da PUE da WUE ke aunawa da gaske.
Yadda batirin UPS da janareta ke miƙa wa juna aiki lokacin da grid ya ɗauke.
Na'urar koyi
Lokaci 0 min
Mashiga < 24 °C
Mashiga ≥ 27 °C
Mashiga ≥ 32 °C
◎Chiller yana aiki
⟳Chiller yana tashi (5 min)
✕Chiller ya yanke (a kulle har sai an sake saitawa)
Sarrafawa
Chiller #1…#n. Sabon chiller da aka kunna yana buƙatar minti 5 kafin ya fara sanyaya.
Ruwa mai ɗumi = ingancin chiller mai kyau, amma mashigar sabar ta yi ɗumi.
Ayyukan rukuni da aka jinkirta zuwa gaba: ƙarancin zafi da wuta a yanzu.
Yana amfani da iskar waje mai sanyi ta cikin na'urar sanyaya busasshiya idan ta isa sanyi.
Yana ƙafar da ruwa domin sanyaya iskar na'urar condenser: ingantaccen aiki, amma yana ɓata ruwa.
Sai idan kunnawa ta atomatik ta gaza. Yana ɗaukar minti 3.
Yana share yankewar tsaro na chiller bayan an duba matsalar; ana karɓa daga minti 15 bayan yankewar.
Alamomi
Zafin mashigar sabar
22.4°C
daidai
PUE
1.34
daidai
Wutar wurin
1076kW
Baturin UPS
100%
daidai
Zafin ruwan sanyi
14.0 °C
COP na chiller
5.1
Nauyin IT
803 kW
Chillers masu aiki
2
Chillers da ake da su (ba su yanke ba)
3
Chillers da suka yanke (a kulle)
0
Za a iya sake saita yankewa nan da
0 min
WUE
0.00 L/kWh
Hayaƙin CO₂
484 kg/h
Yanayi
Yanayin rikici
Mataki 1 · Chiller ya fita daga aiki a lokacin kololuwa
Rana mai zafi da yamma, 32 °C a waje. IT yana jan 850 kW kan chillers biyu cikin uku, kuma ruwan sanyi yana gudana a 16 °C don ajiye makamashi — wanda ke bar mashigar sabar kusan 2 K kacal ƙasa da iyakar da ASHRAE ta ba da shawara. Chiller ɗaya zai yanke ba da daɗewa ba. Ka riƙe mashigai a cikin kewayen da aka ba da shawara, ka ci gaba da aikin IT, kuma ka mayar da tsarin zuwa cikakken ajiya (redundancy).
Mashiga ba ya wuce 27 °C
Mashiga ≤ 25 °C a ƙarshe (komawa daidai)
Matsakaicin nauyin IT ≥ 750 kW (kada ka kashe sabar kawai)
Dukkan chillers uku sun sake samuwa a ƙarshe (an sake saita wanda ya yanke)
Mataki 2 · Raƙuman zafi da kiran rage amfani da wuta
Zafin waje yana tashi daga 30 °C zuwa 42 °C. Chillers suna rasa ƙarfi da inganci. Sai mai sarrafa grid ya aiko da buƙatar rage amfani da wuta: ka riƙe wutar wannan wuri ƙasa da 900 kW na rabin sa'a.
Mashiga ba ya wuce 27 °C
Matsakaicin wutar wuri ≤ 900 kW a lokacin buƙatar
Matsakaicin nauyin IT ≥ 720 kW a duk yanayin
Mataki 3 · Grid ya ɗauke, janareta ya gaza kunnuwa
Grid ya ɗauke. Ya kamata janareta ya karɓa cikin daƙiƙa goma — a wannan karon bai yi ba. Sabar suna kan batirin UPS tare da makamashi na kusan mintuna goma, kuma chillers a kashe suke.
Babu katsewar IT
Baturi ba ya faɗi ƙasa da 72 %
Mashiga ba ya wuce 25 °C
Tushe — samfurin da ke bayan lambobin
Kowace alaƙa da na'urar koyi ke amfani da ita, tare da tushenta. Ƙayyadaddun ƙimomin da aka yi wa alama a matsayin zato daidaitawa ne na misali.
Ingancin chiller a matsayin ɓangare tabbatacce na iyakar Carnot — yana raguwa yayin da iskar waje ke ƙara zafi. Zafin evaporator yana bin ainihin zafin madaurin ruwan sanyi (2 K ƙasa da shi), ba maƙasudi ba, don haka madaurin da ke ɗumama bayan yankewa yana ɗaga COP na ɗan lokaci.
COP = 0.45 · T_evap / (T_cond − T_evap), T_evap = T_chw − 2 K, T_cond = T_air,out + 12 K [K][5]Zato: ƙarfin riƙe zafi, jagorancin ɗigiya, girman chiller da makamashin baturi ƙimomi ne na misali don zauren 1 MW.
Power usage effectiveness: jimillar wutar wurin ÷ wutar IT (1.0 shi ne mafi kyau).
Makamashin baturin UPS yana ƙarewa tare da kayan da ake karewa har sai janareta ya karɓa.
E_batt(t+Δt) = E_batt − (P_IT + P_fans + P_pumps)/η_UPS · Δt (energy balance); generator ≤ 10 s[6]Zato: ƙarfin riƙe zafi, jagorancin ɗigiya, girman chiller da makamashin baturi ƙimomi ne na misali don zauren 1 MW.
Bayan kowane canjin wuta, chillers suna tsayawa kuma dole ne a sake kunna su.
chiller restart after any power transfer = 5 min (quick-start; typical 10–15 min)[11]
Hayaƙi daga ƙarfin carbon na wutar lantarkin grid, ko daga dizal lokacin da janareta ke aiki.
CO₂ = P_facility × grid intensity (≈450–650 g/kWh in the scenarios); diesel ≈ 2.69 kg CO₂/L[9][10][13]
Sauran ƙayyadaddun ƙimomin aiki da samfurin ke amfani da su.
chillers 3 × 450 kW, derate 2.5 %/K above 35 °C · adiabatic effectiveness 70 % · loop P-gain 150 kW/K · IT shutdown at 40 °C inlet · manual generator start 3 min · chiller trip reset accepted 15 min after the trip · battery 150 kWh (≈10 min at full load), recharge 10 %/h · UPS η 95 %Zato: ƙarfin riƙe zafi, jagorancin ɗigiya, girman chiller da makamashin baturi ƙimomi ne na misali don zauren 1 MW.
Rashin tsari: mai samar da mulberry32 mai iri; rarrabawar da aka yi amfani da su — uniform, exponential (inverse CDF), normal (Box–Muller), Poisson (Knuth). Ana nuna iri kuma ana iya raba shi.