Ileveli Yeseli vs. Ukuqapha Ibhethri Leveli Yezintambo: Ikuphi Okudingayo?

Iyunithi yezinhlamvu yebhethri ingabonakala ijwayelekile ngisho noma iseli eyodwa noma ibhulokhi iqala ukonakala. Lona umehluko omaphakathi phakathi kokuqapha ibhethri leleveli yeselula nokugadwa kwebhethri eleveli yeyunithi yezinhlamvu: eyodwa ibonisa isimo sebhethri ngalinye, kanti enye ibonisa ukuziphatha okuhlanganisiwe kweyunithi yezinhlamvu ephelele.

Womabili amazinga okuqapha ahlinzeka ngolwazi oluwusizo, kodwa aphendula imibuzo ehlukene yesondlo. Lo mhlahlandlela uchaza ukuthi iyiphi indlela yokulinganisa indlela ngayinye, amaphutha angaveza ngayo, nokuthi ungakhetha kanjani ukwakheka okufanele kokuqapha kwezinhlelo ze-UPS, iziteshi ezincane, izingosi ze-telecom, amanethiwekhi ezokuthutha, kanye nezicelo zamandla abalulekile ezimbonini.

Kuyini Ukuqapha Ibhethri Leveli Yezintambo?

Ukuqapha kwebhethri eleveli yezintambo kulinganisa ukuziphatha kukagesi kochungechunge oluphelele lweyunithi yezinhlamvu yebhethri exhunywe. Ngokuya ngomklamo wesistimu, ingaqapha:

• Isamba sentambo kagesi
• Shaja futhi ukhiphe okwamanje
• Float okwamanje
• I-Ripple current kanye ne-ripple voltage
• Izinga lokushisa elizungezile kanye nomswakama
• I-insulation noma izimo zokuvuza
• Ubude besikhathi sokukhipha kanye nemicimbi yezinga lezintambo

Lolu lwazi lusiza opharetha ukuthi banqume ukuthi ishaja neyunithi yebhethri isebenza ngaphakathi kwebanga elilindelekile. Ingakwazi ukuhlonza izimo ezifana nengqikithi ye-voltage engavamile, ukuchithwa okungalindelekile, amandla amanje ngokweqile, izinkinga zeshaja, noma iyunithi yezinhlamvu engabelani ngendlela efanele nezintambo ezihambisanayo.

Nokho, ukuqapha kweleveli yeyunithi yezinhlamvu ngokuvamile akubonisi ukuthi iliphi ibhethri ngalinye elibangele ushintsho. Uchwepheshe angase azi ukuthi iyunithi yezinhlamvu inenkinga kodwa isadinga ukukala mathupha ukuze kutholwe iseli elithintekile noma ukuvimba.

Kuyini Ukuqapha Ibhethri Leleveli Yeseli?

Ukuqapha kwebhethri kweleveli yeseli kusebenzisa inzwa ngayinye noma isiteshi sokulinganisa kuseli ngayinye noma ibhulokhi yebhethri. Ngokuya ngekhemikhali yebhethri nesixazululo esikhethiwe, uhlelo lungarekhoda:

• Iseli ngayinye noma i-block voltage
• Ukuphikiswa kwangaphakathi noma ukukhubazeka
• Izinga lokushisa letheminali yebhethri
• Ukuxhumana noma ukumelana kwama-intercell
• Ileveli ye-Electrolyte yamabhethri agcwele amanzi asekelwe
• Izimo zokuvuza
• Amathrendi omlando nokuchezuka kusuka kwamanye amabhethri kuyunithi yezinhlamvu

Esikhundleni sokubonisa inani elilodwa kuphela leyunithi yezinhlamvu ephelele, isistimu yokuqapha ibhethri yeleveli yeselula ibonisa ukuthi ibhethri ngalinye liziphatha kanjani. Lokhu kwenza kube lula ukuhlonza iseli elibuthakathaka, izinga lokushisa elingavamile, ukumelana nokukhuphuka, ukungalingani kwamandla kagesi, noma inkinga yokuxhuma ngaphambi kokuba ibonakale ezingeni lezintambo.

Kungani I-Normal String Voltage Ingakwazi Ukufihla Ibhethri Elibuthakathaka

Ochungechungeni lweyunithi yebhethri exhunywe kuchungechunge, isamba sevoltheji iyisamba sawo wonke ama-voltage ebhethri angawodwana. Uma ibhethri elilodwa linamandla kagesi angavamile, amanye amabhethri neshaja kungase kunxephezele okwesikhashana, kushiye isamba sentambo kagesi phakathi kwebanga elisobala elamukelekayo.

Isibonelo, ishaja ingase igcine amandla kagesi okuntanta alindelwe kuyilapho amabhulokhi angawodwana esebenza ngama-voltage ahlukene. Ibhethri elilodwa lingase lishajwe kancane kuyilapho elinye lisemandleni kagesi aphezulu wokuntanta. Ukufundwa kweyunithi yezinhlamvu ephelele kukodwa akubonisi lokhu kusatshalaliswa.

Umkhawulo ofanayo ubaluleka ikakhulukazi ngesikhathi sokukhishwa. Ibhethri elibuthakathaka lingafinyelela esimweni salo se-voltage ephansi ngaphambi kwentambo yonke, likhawulele ukusebenza okusebenzisekayo kwalo lonke ibhange lebhethri nakuba ibhethri elijwayelekile lisabonakala liphilile.

Ileveli Yeseli vs. Ukuqapha Ibhethri Leleveli Yezintambo

Isilinganiso Sokulinganiswa

Ukuqapha kweleveli yeyunithi yezinhlamvu kunikeza ukubuka okukodwa okuhlanganisiwe kweyunithi yezinhlamvu ephelele. Ukuqapha kweleveli yeseli kunikeza ukubuka okuhlukile kwawo wonke amaseli agadiwe noma ibhulokhi.

Ukutholwa Kwephutha

Ukuqapha kweleveli yezintambo kungathola i-voltage iyonke, yamanje, ekhishwayo, eshajayo, kanye nokungajwayelekile kwemvelo. Ukuqapha kweleveli yeseli kungaveza futhi umehluko phakathi kwamabhethri ngamanye, okuhlanganisa ukuchezuka kwamandla kagesi, ukwanda kokumelana, nokukhuphuka kwezinga lokushisa kwendawo.

Indawo Yephutha

I-alamu yeleveli yeyunithi yezinhlamvu ibonisa ukuthi uphenyo olwengeziwe luyadingeka. I-alamu yeleveli yeselula ingakwazi ukuhlonza isayithi elithintekile, iyunithi yezinhlamvu, nendawo yebhethri, isize amaqembu okulungisa ukuthi athole inkinga ngokushesha okukhulu.

Ukuhlaziywa Kwezomlando

Amathrendi ezintambo abonisa ukuthi ibhange lebhethri eliphelele liziphatha kanjani ngokuhamba kwesikhathi. Amathrendi eleveli yeselula avumela opharetha ukuthi baqhathanise ibhethri elilodwa nesisekelo salo kanye namabhethri angomakhelwane kuyunithi yezinhlamvu efanayo.

Ukufakwa kanye Nezimfuneko Zedatha

Amasistimu eleveli yezintambo ngokuvamile adinga amaphoyinti okulinganisa ambalwa, izintambo ezincane, kanye nedatha egcinwe kancane. Amasistimu eleveli yeselula adinga izinzwa ezengeziwe, umsebenzi wokufaka, ikheli, ukuxhumana, nokuphathwa kwedatha, kodwa ahlinzeka ngolwazi oluningiliziwe lokuxilonga.

Izinhlelo zokusebenza ezifanele kakhulu

Ukuqapha kweleveli yezintambo kungase kulungele ukugadwa okuyisisekelo noma ukufakwa kwengcuphe ephansi. Ukuqapha kweleveli yeselula kuzifanela kangcono izinhlelo zokusebenza ezibucayi noma ezikude lapho ukwehluleka kwebhethri elilodwa kungase kuthinte ukuqhubeka kwesevisi, ukuphepha, noma impendulo ephuthumayo.

Yiziphi Izinkinga Ezingatholwa Izinga Lokugada Ngalinye?

Izinkinga Ezibonakalayo Kuzinga Lezintambo

• Isamba somthamo weyunithi yezinhlamvu esingavamile
• Ukushaja okungalindelekile noma ukushajwa kwamandla
• Ukulahleka kweyunithi yezinhlamvu yebhethri eyodwa ephelele
• Ukwabelana kwamanje okungalingani phakathi kweyunithi yezinhlamvu ezifanayo
• I-ripple current noma i-voltage
• Ukushisa kwekamelo okungavamile noma umswakama
• Imicimbi yokukhishwa kwentambo nobude besikhathi

Izinkinga Zikhonjwe Kangcono Kuzinga Leseli

• Iseli elilodwa noma ibhulokhi elinogesi wokuntanta ongajwayelekile
• Ukwandisa ukumelana kwangaphakathi noma i-impedance
• Ibhethri elishisisa kakhulu kunamabhethri angomakhelwane
• Ukungalingani kwe-voltage ngaphakathi kweyunithi yezinhlamvu
• Ibhethri elibuthakathaka elifika ku-voltage ephansi ngaphambi kwesikhathi ngesikhathi liphuma
• Uxhumo oluxegayo noma oluwohlokayo
• Ukulahleka kokuxhumana nenzwa yebhethri ngayinye

Asikho isilinganiso esisodwa esifakazela umthamo otholakalayo noma impilo yesevisi esele yebhethri. Amandla kagesi, ukumelana, izinga lokushisa, namanje kufanele kuhlolwe kanye nezitayela zomlando, ukuhlolwa, izincomo zomkhiqizi, nokuhlolwa kwamandla okufanele.

Kungani Amasistimu Amandla Abalulekile Evame Ukudinga Womabili Amazinga

Ukuqapha ileveli yeseli kanye neyunithi yezinhlamvu akufanele kuthathwe njengobuchwepheshe obuqhudelanayo. Isakhiwo esiphelele sokuqapha ibhethri esimile ngokuvamile siyawahlanganisa.

Izinzwa ngazinye zikala i-voltage yezinga lebhethri, ukumelana, nezinga lokushisa. Idivayisi yeyunithi yezinhlamvu ikala isamba se-voltage nesimanje. Isilawuli noma isango liqoqa idatha, lisebenzisa ukuqonda kwe-alamu, ligcine amarekhodi omlando, futhi lidlulisele ulwazi kusixhumi esibonakalayo sendawo noma inkundla yokuphatha emaphakathi.

Lesi sakhiwo esihlanganisiwe sivumela opharetha ukuthi baphendule imibuzo emibili ehlukene:

• Kwenzekani ohlelweni lwebhethri? I-voltage yeleveli yeyunithi yezinhlamvu kanye neyamanje ibonisa umcimbi wokusebenza usuwonke.
• Iyiphi ibhethri edinga ukunakwa? Idatha yeleveli yeselula ikhomba ibhethri elingavamile kanye nethrendi yalo.

Ingabe I-String-Level Monitoring Ifaneleka Nini?

Ukuqapha kwezinga lezintambo kungase kucatshangelwe lapho:

• Ukufakwa kwebhethri kuncane futhi kulula ukuzihlolela mathupha
• Umthwalo ovikelekile unomphumela ophansi wokwehluleka
• Imfuneko eyinhloko ukuthola inkokhiso, ukukhishwa, kanye nezimo zeyunithi yezinhlamvu zizonke
• Abasebenzi abaqeqeshiwe bangakwazi ukukala ibhethri ngalinye njalo
• Le phrojekthi iyisigaba sokuqala sokuqapha esinohlelo olucacisiwe lokwandiswa kwesikhathi esizayo

Nakulezi zinhlelo zokusebenza, ukukalwa kweseli ngezikhathi ezithile noma i-block kusadingeka. Ukuqapha izintambo akufanele kuhunyushwe njengokuqinisekisa ukuthi ibhethri ngalinye kuyunithi yezinhlamvu liphilile.

Kunconywa Nini Ukuqapha Ibhethri Leleveli Yeseli?

Ukuqapha kweleveli kubaluleke kakhulu lapho:

• Ibhethri lisekela isikhungo sedatha, isiteshi esincane, inethiwekhi yezokuxhumana, ujantshi wesitimela, isikhumulo sezindiza, isibhedlela, indawo kawoyela negesi, noma omunye umthwalo obalulekile.
• Ukufakwa kuqukethe izintambo ezinde noma amayunithi ezinhlamvu amaningi ahambisanayo
• Amasayithi awanamuntu, akude, noma abiza ukuwavakashela
• Amaqembu okunakekela adinga ukukhomba ibhethri elihambisana ne-alamu
• Idatha yomlando iyadingeka ekunakekeleni okusekelwe esimweni
• Izinga lokushisa lebhethri namathrendi angaphakathi okumelana kufanele kuqhathaniswe
• Umsebenzisi udinga ukuqapha okumaphakathi kumasayithi amaningi
• Ukusebenza kwebhethri ngesikhathi sokukhishwa kwangempela noma okuhleliwe kufanele kurekhodwe

Inani lokuqapha ileveli yeseli liyakhuphuka ngokubaluleke kakhulu, isikali, ukuba kude, kanye nobunzima bokugcinwa kokufakwa kwebhethri.

Izibonelo Zohlelo Lokusebenza

Izikhungo Zedatha kanye Nezinhlelo ze-UPS

I-voltage yeyunithi yezinhlamvu kanye neyamanje iqinisekisa isigameko sokushaja noma sokukhulula, kuyilapho idatha yeleveli yeselula isiza ukuthola ibhulokhi elibuthakathaka elingu-12V ngaphambi kokuthi lithinte isikhathi sokusebenza se-UPS. Ukuhlanganiswa ne-DCIM noma inkundla yokuphatha inethiwekhi kungabeka phakathi ama-alamu nemibiko.

Izinsiza Zamandla Neziteshi Ezingaphansi

Amasistimu e-Substation DC angase aqukathe izinombolo ezinkulu ze-2V lead-acid noma amaseli angu-1.2V Ni-Cd. Ukuqapha kweleveli yeselula kusekela ukuqhathaniswa kwamandla kagesi nezinga lokushisa kulo lonke elasebhange, kuyilapho ileveli yeyunithi yezinhlamvu yamanje kanye neshaja yombukiso kagesi kanye nokuziphatha kwesistimu ye-DC.

Ezokuxhumana

Izingosi ze-telecom ezikude ze-48V ziyazuza ekwenziweni kwephutha kweleveli yeselula ngenxa yokuthi ukuvakasha kokulungiswa kuyabiza. Izilinganiso zezintambo zinikeza ukubonakala ekushayweni nasekukhipheni imicimbi, kuyilapho isofthiwe emaphakathi isiza amaqembu ukubeka phambili ukuthi imaphi amasayithi adinga ukunakwa.

Izinsiza Zokuthutha Nezimboni

Isitimela, isikhumulo sezindiza, uwoyela negesi, kanye nezindawo zokukhiqiza zingasebenzisa amasistimu ebhethri asabalalisiwe amaningi. Ukuhlanganisa womabili amaleveli kusiza amaqembu okulungisa ukuphatha imicimbi yesistimu ngaphandle kokulahlekelwa ukubonakala kumabhethri ngamanye.

Ukuqapha Akuthathi Indawo Yokuhlolwa Kwekhono

Ukuqapha kweleveli yeselula kuthuthukisa ukubonakala, kodwa akulinganisi ngokuqondile umthamo osebenzisekayo wehora le-ampere webhange eliphelele lebhethri. Ukumelana kwangaphakathi namathrendi kagesi kungasiza ekuhlonzeni amabhethri adinga uphenyo, kuyilapho ukuhlolwa kokukhipha okwenziwa kahle kuqinisekisa ikhono lebhethri lokusekela umthwalo othile ngaphansi kwezimo ezichaziwe.

Kuzinhlelo zokusebenza ezibucayi, isu lokulungisa kufanele lihlanganise ukuqapha okuqhubekayo, ukuhlola okubonakalayo, ukuhlola ukuxhumeka, ukuqondiswa komkhiqizi, nokuqinisekiswa kwamandla okuhleliwe.

Indlela Yokukhetha Isakhiwo Esilungile Sokuqapha

Ngaphambi kokukhetha isistimu, qoqa ulwazi olulandelayo lwephrojekthi:

1. Khomba uhlelo lokusebenza kanye nomphumela wokuhluleka kwebhethri.
2. Qinisekisa ikhemistri yebhethri, i-voltage yegama, umthamo, nomkhiqizi.
3. Rekhoda inani lamaseli noma amabhlogo kuyunithi yezinhlamvu ngayinye.
4. Rekhoda inani lezintambo nokuthi zisebenza ngokuhambisana yini.
5. Chaza imingcele yeleveli yeseli neyunithi yezinhlamvu edingekayo.
6. Chaza abamukeli be-alamu nesikhathi sokuphendula esidingekayo.
7. Qinisekisa izidingo zokuhlanganisa ezifana ne-Modbus, SNMP, MQTT, noma i-IEC 61850.
8. Nquma ukuthi ingabe isistimu kufanele isekele ukunwetshwa okuzayo noma amasayithi amaningi.

Ekufakweni okuningi kwamandla abalulekile, idizayini ewusizo kakhulu ayikona ukuqapha ileveli yeseli noma iyunithi yezinhlamvu. Kuwuhlelo oludidiyelwe olusebenzisa kokubili.

imibuzo ejwayelekile ukubuzwa

Ingabe ukuqapha kwebhethri eleveli yeselula kungcono kunokuqapha ileveli yeyunithi yezinhlamvu?

Ukuqapha kweleveli yeselula kunikeza ukutholwa kwephutha okunemininingwane eminingi nokwenziwa kwasendaweni, kodwa amandla omthamo weyunithi yezinhlamvu kanye namanje kusabalulekile ukuze kuqondwe ukusebenza kwebhethri kukonke. Amasistimu abalulekile ngokuvamile azuza ngokuhlanganisa womabili amazinga.

Ingabe intambo kagesi ingakwazi ukukhomba ibhethri elibuthakathaka?

Hhayi ngokwethembekile. Isamba sentambo kagesi singahlala phakathi kwebanga elilindelekile kuyilapho ibhethri elilodwa lingajwayelekile. Amandla kagesi angawodwana, ukumelana, izinga lokushisa, namathrendi okukhipha kunikeza ulwazi oluwusizo kakhulu lokuthola ibhethri elibuthakathaka.

Kukalani ukugadwa kwebhethri eleveli yeselula?

Kuye ngohlobo lwebhethri nesistimu, ingakala i-voltage ngayinye, ukumelana kwangaphakathi noma i-impedance, izinga lokushisa, ukumelana nokuxhumeka, izinga le-electrolyte, nezimo zokuvuza.

Ingabe ibhethri ngalinye lidinga inzwa yalo?

Amasistimu amaningi eleveli yeseli asebenzisa inzwa eyodwa kuseli ngayinye noma ibhulokhi. Ezinye izakhiwo zingasebenzisa amamojula okulinganisa amashaneli amaningi. Idizayini efanele incike ku-voltage yebhethri, ikhemistri, inombolo yamabhethri, namapharamitha adingekayo.

Ingabe ukuqapha kweleveli yeseli kungabikezela isikhathi esiqondile sokusebenza kwebhethri?

Ayikho ipharamitha egadiwe eyodwa engaqinisekisa isikhathi sokusebenza esiqondile. Ukuqapha kukhomba izimo zokusebenza namathrendi okuwohloka, kuyilapho umthamo otholakalayo noma isikhathi sokusebenza kufanele kuqinisekiswe ngokuhlolwa kokukhishwa okufanele.

Ingabe idatha yeleveli yeselula ingahlanganiswa ne-SCADA noma i-DCIM?

Yebo. Isilawuli noma isango lingahlanganisa ibhethri ngalinye nedatha yeyunithi yezinhlamvu futhi lidlulise izilinganiso ezikhethiwe nama-alamu ngamaphrothokholi asekelwayo. Ukuhambisana nohlu oludingekayo lwamaphuzu edatha kufanele kuqinisekiswe phakathi nokwakhiwa kwesistimu.

Yakha Isixazululo Esiphelele Sokuqapha Ibhethri nge-DFUN

I-DFUN ihlinzeka ngezixazululo zokuqapha ibhethri ezingeni leselula nezileveli yezintambo zezikhungo zedatha, izinsiza zikagesi, ezokuxhumana, ezokuthutha, nezinhlelo zamandla abalulekile ezimbonini. Izilungiselelo ezitholakalayo zisekela izinzwa zebhethri ngazinye, ukukalwa kwentambo, amathrendi omlando, ama-alamu alungisekayo, ukuphathwa okumaphakathi, nokuhlanganiswa nezivumelwano ezivamile zezimboni.

Thumela i-DFUN ikhemistri yebhethri lakho, iseli noma i-block voltage, inombolo yamabhethri, inombolo yezintambo, kanye nenqubo yokuxhumana edingekayo. Ithimba lethu lonjiniyela lingasiza ekuthuthukiseni i-architecture yokuqapha efanele isicelo sakho.