Ungabala kanjani isikhathi sokusebenza se-UPS: Ifomula, izibonelo kanye nosayizi webhethri 

I-UPS izogcina isikhathi esingakanani isisetshenziswa sisebenza ngesikhathi sokunqamuka kukagesi? Impendulo incike ngaphezu kwenombolo ye-VA ephrintwe kuphaneli yangaphambili. Isikhathi sokusebenza se-UPS sinqunywa umthwalo wangempela oxhunyiwe, amandla ebhethri, ukusebenza kahle kwe-inverter, umthamo osebenzisekayo wokukhipha, isimo sebhethri nezinga lokushisa lokusebenza.

Impendulo esheshayo: Isilinganiso sokuhlela esisebenzayo sithi:

Isikhathi sokusebenza (amahora) ≈ I-voltage yebhethri-yebhange × ama-amp-amahora × izintambo ezifanayo × ukusebenza kahle × isici somthamo osebenzisekayo ÷ umthwalo oxhunywe kuma-watts

Le fomula iwusizo ekulinganisweni kwangaphambi kwesikhathi, kodwa akusona isikhathi sokusebenza esiqinisekisiwe. Ukuziphatha kokukhishwa kwe-lead-acid akukona umugqa, futhi amasistimu angempela nawo anemikhawulo yokunqanyulwa kwe-inverter, ukuguga kwebhethri, ukulahleka kwekhebula kanye nemiphumela yezinga lokushisa. Ukukhetha kokugcina kufanele kusebenzise idatha yesikhathi sokusebenza yomkhiqizi we-UPS kanye nokubala kwebhethri okuqondene nohlelo lokusebenza.

Okokufaka Okuhlanu Okudingayo

Ngaphambi kokubala isikhathi sokulondoloza ibhethri le-UPS, qoqa lawa manani:

1. Ukulayisha okuxhunyiwe ngama-watts: amandla wangempela asetshenziswa yizo zonke izisetshenziswa ezizohlala zivuliwe ngesikhathi sokucima.
2. Izilinganiso ze-UPS watt ne-VA: umthwalo kumele uhlale ungaphansi yomibili imikhawulo.
3. I-voltage DC ye-Battery-bank: i-voltage ehlanganisiwe yamabhethri axhunywe ochungechungeni.
4. Umthamo webhethri ngama-amp-amahora: isilinganiso sika-Ah seyunithi yezinhlamvu eyodwa yochungechunge; izintambo ezihambisanayo zandisa inani Ah.
5. Ukusebenza kahle kanye nezici ezinciphisayo: izibonelelo zokulahlekelwa kwe-inverter, ukujula okusebenzisekayo kokukhipha, ubudala bebhethri nezinga lokushisa.

Uma noma yiliphi kulawa manani lishoda, umphumela ungase udukise.

I-VA, Watts kanye nama-Watt-Hours Awafani

Amaphutha amaningi okulinganisa e-UPS aqala ngokuphatha i-VA, ama-watts namahora we-watt njengokushintsheka.

Ubudlelwano obuyisisekelo phakathi kwama-watts ne-VA yilokhu:

Ama-Watts = VA × Isici Samandla

Ngakho-ke:

I-VA edingekayo = Layisha ama-Watts ÷ Isici samandla

Isibonelo: uma okokusebenza kudla u-1,800 W futhi isici samandla esisebenzayo singu-0.9:

1,800 W ÷ 0.9 = 2,000 VA

I-UPS kufanele isekele okungenani i-1,800 W kanye ne-2,000 VA. Imajini yokuhlela kanye nesibonelelo sokukhula esizayo kufanele sengezwe ngaphambi kokukhetha imodeli yokugcina.

Isinyathelo ngesinyathelo Ifomula yesikhathi sokusebenza ye-UPS

Isinyathelo 1: Bala Amandla Ebhethri Okuzisholo

Ngeyunithi yezinhlamvu yebhethri eyodwa:

Amandla ebhethri okuzisholo (Wh) = Ivolthi yebhasi ye-DC × ibhethri Ah

Uma izintambo ezifanayo zixhunywe ngokuhambisana:

Amandla ebhethri okuzisholo (Wh) = Amandla kagesi webhasi e-DC × Ah × inombolo yezintambo ezihambisanayo

Ochungechungeni lweyunithi yezinhlamvu, ama-voltage ebhethri ayengeziwe kodwa isilinganiso sika-Ah asikwenzi. Kuzintambo ezihambisanayo, umthamo we-Ah uyengeza ngenkathi i-voltage yentambo ihlala ifana.

Isinyathelo sesi-2: Sebenzisa Ukusebenza Ngempumelelo

I-inverter nezingxenye zangaphakathi ze-UPS zisebenzisa amandla. Isibalo sokuhlela singasebenzisa isici esisebenza kahle esifana no-0.85 kuya ku-0.95, kuye ngohlelo nomthwalo.

Amandla ngemva kokulahlekelwa kokuguqulwa = I-Nominal Wh × ukusebenza kahle kwe-UPS

Sebenzisa idatha yangempela yomkhiqizi uma itholakala.

Isinyathelo sesi-3: Sebenzisa Amandla Asebenzisekayo kanye Nezimo Zesimo

Ibhethri akufanele lithathwe sengathi u-100% wamandla e-nameplate ayo azohlala efika emthwalweni. Sebenzisa izici ze:

• ubuncane be-voltage yokukhipha evunyelwe;
• ikhemikhali yebhethri kanye nesilinganiso sokukhipha;
• iminyaka kanye nesimo sempilo;
• izinga lokushisa elizungezile;
• inqolobane yokuklama;
• ikhebula nokulahlekelwa kokuxhuma.

Ngokuhlela kokuqala, lezi zingase zihlanganiswe zibe isici esisebenzisekayo. Inani elifanele kufanele livele ebhethrini nasezimfuneko zedizayini ye-UPS.

Isinyathelo sesi-4: Hlukanisa Amandla Asebenzisekayo Ngomthwalo

Isikhathi sokusebenza (amahora) = Amandla ebhethri asebenzisekayo (Wh) ÷ Umthwalo (W)

Phindaphinda ngo-60 imizuzu:

Isikhathi sokusebenza (amaminithi) = Isikhathi sokusebenza (amahora) × 60

Isibonelo Esisebenzayo 1: I-Server Rack Encane

Cabanga nje:

• umthwalo oxhunyiwe: 800 W;
• ibhange lebhethri: 48 V, 100 Ah;
• intambo yebhethri eyodwa;
• ukusebenza kahle kokuhlela: 90%;
• isici somthamo osebenzisekayo: 70%.

Amandla okuzisholo:

48 V × 100 Ah = 4,800 Wh

Amandla asebenzisekayo alinganiselwe:

4,800 Wh × 0.90 × 0.70 = 3,024 Wh

Ukuhlela isikhathi sokusebenza:

3,024 Wh ÷ 800 W = 3.78 amahora, noma cishe imizuzu engama-227

Lesi isilinganiso samandla esenziwe lula. Isikhathi sangempela sokusebenza singaba sifushane ngenxa yokuthi umthamo we-lead-asidi uyashintsha ngokwezinga lokuphuma, ubudala bebhethri namandla okukhipha amandla. Ijika lesikhathi sokusebenza somkhiqizi liyadingeka ngaphambi kokuthembisa amaminithi angu-227 kumsebenzisi wokugcina.

Isibonelo sesi-2 esenziwe: Umthwalo Webhizinisi Wezigaba Ezintathu

Cabanga nje:

• umthwalo obalulekile: 10,000 W;
• Ibhange lebhethri le-DC: 384 V, 100 Ah;
• intambo yebhethri eyodwa;
• ukusebenza kahle kokuhlela: 92%;
• isici somthamo osebenzisekayo: 70%.

Amandla okuzisholo:

384 V × 100 Ah = 38,400 Wh

Amandla asebenzisekayo alinganiselwe:

38,400 Wh × 0.92 × 0.70 = 24,729.6 Wh

Ukuhlela isikhathi sokusebenza:

24,729.6 Wh ÷ 10,000 W = 2.47 amahora, noma cishe imizuzu eyi-148

Lesi sibonelo sibonisa indlela ifomula esebenza ngayo, hhayi idizayini yendawo yonke. Ubuningi bebhethri, amandla kagesi e-DC namandla okushaja kufanele kufane ne-UPS ekhethiwe. Amasistimu ebhethri anamandla kagesi aphezulu adinga ubunjiniyela obuchwepheshile, amadivaysi okuvikela kanye nezinqubo zokufaka eziphephile.

Kungani Isikhathi Sokuqalisa Se-UPS Sangempela Sivame Ukuba Phansi Kunesibalo Esifanelekile

Isibalo esifanelekile sihlukanisa amahora angama-watt ngokulayisha ama-watts. Isikhathi sokulondoloza ibhethri sangempela sithintwa izimo ezengeziwe.

Izinga Lokukhipha Ibhethri

Amabhethri e-lead-acid aletha umthamo omncane ongasebenziseka ngamanani aphezulu wokukhipha kunezibalo ze-Ah ezingasikisela. Lokhu kuziphatha kungesinye sezizathu zokuthi isikhathi sokusebenza singashintshi ngendlela ehambisana kahle nomthwalo.

Iminyaka Yebhethri

Umthamo webhethri uyehla ngokuhamba kwesikhathi. Isistimu enosayizi omncane kuphela wokusebenza kwebhethri elisha ingase yehluleke ukuhlangabezana nesikhathi esidingekayo ngasekupheleni kwesikhawu sokushintshwa.

Izinga lokushisa

Amazinga okushisa aphansi anganciphisa umthamo otholakalayo. Amazinga okushisa aphezulu angakhuphula okokukhiphayo okwesikhashana kodwa asheshise ukuguga kwebhethri. Igumbi lebhethri kufanele lihlale ngaphakathi kwebanga lokusebenza elinconyiwe.

I-UPS Cutoff kanye ne-Reserve

I-inverter iyayeka ukushajwa ngaphambi kokuba amandla ebhethri athiyori afinyelele kuziro. Lokhu kuvikela ibhethri futhi kugcine ukulawula uhlelo.

Layisha Izinguquko

Amaseva, amafeni okupholisa, izinjini kanye nemishini yezimboni azidonsi amandla njalo. Amagagasi okuqalisa kanye neziqongo zokulayisha kufanele kufakwe ekwakhiweni.

Ingakanani I-Headroom ye-UPS okufanele Wengeze?

Ngemva kokubala umthwalo oxhunyiwe, engeza umthamo wemajini yokusebenza nokukhula okulindelekile. Indawo yokuqala esetshenziswa kakhulu cishe i-20-25% ngaphezu komthwalo wamanje, kodwa umkhawulo ofanele uncike ekusetshenzisweni.

Gwema kokubili ukweqisa:

• I-headroom encane kakhulu: kwandisa ingozi yokugcwala ngokweqile, kunciphisa umthamo wokunweba futhi kungase kunciphise isikhathi sokusebenza.
• Ubukhulu ngokweqile: ikhuphula izindleko zokuthenga futhi ingase isebenzise i-UPS ngaphansi kakhulu kobubanzi bomklamo obusebenza kahle.

Ukufakwa kwe-modular, umthamo unganwetshwa ngezigaba. I-USYTU's I-YT-UM Rack-Modular UPS 10–200kVA isekela ukucushwa kwe-modular kokukhula kwemithwalo ebalulekile.

I-UPS Runtime Planning by Application

Isikhathi sokusebenza kufanele sisekelwe kunhloso yokusebenza. "Isikhathi eside ngangokunokwenzeka" akuyona imfuneko yobunjiniyela ephelele.

Ukukhetha Amabhethri e-UPS Runtime

Ukukhethwa kwebhethri kufanele kufane nesistimu yokushaja ye-UPS, amandla kagesi e-DC, indawo yamanje yokukhipha kanye nendawo yokufaka.

USYTU inikeza a isigaba somkhiqizo webhethri enekhono lokubeka ibhethri elingu-12 V. Abathengi abahlola amasistimu esikhathi eside sokusebenza bangabuyekeza 12V 100Ah ibhethri yesitoreji futhi 12V 200Ah ibhethri yesitoreji njengemikhiqizo yereferensi.

Ungakhethi ibhethri ngo-Ah yedwa. Qinisekisa:

• ikhemikhali yebhethri nokusetshenziswa okuhlosiwe kokubekwe eceleni;
• I-voltage yegama kanye nokushaja;
• idatha yokukhipha amandla angaguquki noma yamanje;
• umthamo wamanje we-terminal kanye nekhebula;
• uchungechunge nokucushwa okufanayo;
• impilo yomjikelezo olindelwe kanye nempilo yokuntanta;
• izinga lokushisa lokusebenza;
• indawo yokubeka noma ikhabethe;
• izidingo zokungena komoya kanye nokuphepha;
• indlela yokuqapha kanye nokunakekela;
• ukuhambisana neshaja ye-UPS.

Ukuxuba amabhethri obudala obuhlukene, amandla noma izimo kuyunithi yezinhlamvu eyodwa kunganciphisa ukwethembeka.

Ukugeleza Kokulinganisa Kwe-UPS Okusebenzayo

1. Yakha Uhlu Olubalulekile Lomthwalo

Rekhoda idivayisi ngayinye, ama-watts ayo akaliwe, i-VA noma isici samandla, ukuziphatha kokuqala nokubalulekile. Khipha okokusebenza okungadingi isipele sebhethri.

2. Bala ama-Watts nama-VA

Engeza amandla wangempela kuma-watts namandla abonakalayo ku-VA. I-UPS ekhethiwe kufanele yenelise zombili izilinganiso.

3. Engeza i-Design Margin

Bandakanya i-headroom yokusebenza enengqondo kanye nokunwetshwa okuzayo okwaziwayo.

4. Setha Ithagethi Yesikhathi Sokusebenza

Cacisa isikhathi sokusebenza ngomthwalo olindelekile—hhayi ngamaphesenti athile aphrintwe ebhukwana.

5. Khetha i-UPS Topology

Ngezinhlelo zokusebenza ezibucayi, ezibucayi noma zegridi embi, i Uhlelo lwe-UPS lwe-inthanethi inganikeza isimo samandla okuguqulwa okukabili okuqhubekayo kanye nesikhathi sokudlulisa okuyiziro kubhethri.

6. Usayizi Wesistimu Yebhethri

Bala isidingo sokuqala samandla, bese uyasiqinisekisa usebenzisa i-UPS ekhethiwe kanye nedatha yokukhipha ibhethri.

7. Hlela Ukufakwa Nokugcinwa

Bandakanya izinhlelo ze-bypass, ama-breaker, izintambo, amarack ebhethri, umoya, ukuqapha, ukuhlola ngezikhathi ezithile nokushintshwa kwebhethri.

Iphepha Lokusebenzela le-RFQ lekhotheshini Yesikhathi Sokusebenza se-UPS

Nikeza ulwazi olulandelayo ukuze uthole isiphakamiso esinembile:

Imibuzo Evame Ukubuzwa

Ingabe isikhathi sokusebenza se-UPS singabalwa kusukela ku-VA kuphela?

Cha. I-VA ichaza amandla abonakalayo, hhayi amandla agciniwe. Izibalo zesikhathi sokusebenza zidinga umthwalo wangempela kuma-watts nolwazi olumayelana nesistimu yebhethri.

Ingabe ukuphinda kabili kwebhethri u-Ah kuphindeka kabili isikhathi sokusebenza?

Ngaphansi kwezimo ezifanayo, ukuphinda kabili amandla ebhethri asebenzisekayo cishe kungaphinda kabili isikhathi sokusebenza. Empeleni, izinga lokukhishwa, imikhawulo yokushaja ye-UPS, ukumiswa kwebhethri nokulahlekelwa kwesistimu kufanele kuhlolwe.

Ingabe i-UPS enkulu isebenza isikhathi eside ngokuzenzakalelayo?

Cha. Isilinganiso samandla esikhulu sisho ukuthi i-UPS ingasekela umthwalo omkhulu. Isikhathi sokusebenza sincike ngokuyinhloko emandleni ebhethri nakumthwalo oxhunyiwe. Amasistimu amabili e-UPS anesilinganiso esifanayo se-kVA angaba nezikhathi zokusebenza ezihluke kakhulu.

Ibhethri elingu-100Ah lizosebenza isikhathi esingakanani i-UPS?

Akunakunqunywa ku-Ah kuphela. I-voltage yebhethri, inani lamabhethri, ama-watts okulayisha, ukusebenza kahle kwe-UPS, izinga lokuphuma kanye ne-cutoff voltage nakho kuyadingeka.

Kungani isikhathi sokusebenza somkhiqizi sihluka kufomula yami?

Idatha yomkhiqizi ingase ibhekane namajika okukhipha ibhethri langempela, ukuziphatha kwe-inverter kanye nemikhawulo yokunqamuka. Ifomula elula iyisilinganiso sokuhlela kuphela.

Ingabe isikhathi sokusebenza kufanele sihlolwe ngemva kokufakwa?

Ukukhipha kufanele kuqinisekise i-UPS, ama-alamu, i-bypass, isistimu yebhethri nokuqapha. Noma yikuphi ukuhlolwa kwesikhathi sokusebenza okulawulwayo kufanele kulandele imiyalelo yomkhiqizi ngoba ukukhipha okugcwele kungashiya umthwalo obalulekile okwesikhashana ngaphandle kokugodla ibhethri okwanele.

Umugqa Ongezansi

Ukuze ulinganisele isikhathi sokusebenza se-UPS, guqula ibhange lebhethri libe amahora we-watt asebenzisekayo futhi uhlukanise ngomthwalo wangempela oxhunyiwe. Bese uphatha umphumela njengenani lokuhlela—hhayi isiqinisekiso. Isikhathi sokugcina kufanele siqinisekiswe ngokumelene ne-UPS ekhethiwe, idatha yokuchithwa kwebhethri, imikhawulo yokunqanyulwa kwesistimu nezimo zesayithi.

Ukuze uthole izibalo ezenzelwe wena, thumela ama-watts omthwalo obalulekile kanye ne-VA, isikhathi sokusebenza esidingekayo, amandla okufaka/okukhiphayo, umgomo wokuphinda ungasebenzi kanye nendawo yokufaka. Xhumana ne-USYTU nge-UPS kanye nosekelo lokulinganisa ubukhulu bebhethri.