I-backup power supply sisixhobo senkqubo esidibanisa ibhetri yokugcina (ikakhulu i-lead-asidi yokugcina ibhetri yokugcina i-acid) kunye ne-injini eyintloko kunye nokuguqula ngoku ngokuthe ngqo kumbane oyintloko ngokusebenzisa iisekethe zemodyuli ezifana ne-inverter engundoqo ye-injini. Ukubeka nje, ukuba kukho ukungaphumeleli kwamandla, ibhetri yokugcina kwi-backup power supply iya kunika amandla kumthwalo ngokukhawuleza. Xa unikezelo oluphambili luqhelekile, unikezelo lwamandla olugciniweyo luya kubonelela ngokhuseleko lwamandla kumthwalo kunye nemveliso ezinzileyo kunye nonikezelo olungundoqo olucocekileyo. Isetyenziswa ngokubanzi kwi: iifektri, izibhedlele, izixhobo zokugcina, iiseva ezinkulu, amaziko edatha, amaziko ekhompyutheni, amaziko atyholayo (amajoni), amaziko olawulo lweefektri ezinkulu, i-aerospace kunye namaziko okulawula, kunye nazo zonke ezinye iimeko ezingasebenziyo.
Ngokweemfuno zomthengi zexesha eligcinayo, ubungakanani bomthwalo, i-voltage ye-mains, iimeko zokusetyenziswa, njl., sinokumisela iibhetri ezahlukeneyo kumthengi, kwaye sisebenzise i-UPS, umbane we-EPS okanye isikrini se-DC.
Isikrini se-DC sifutshane kwi-DC yokusebenza kwamandla. Igama jikelele ukugcinwa olukrelekrele-free DC screen unikezelo lwamandla, ebizwa ngokuba DC Screen ngokufutshane. Uhlobo oluqhelekileyo yi-GZDW, kwaye isikrini se-DC sisetyenziselwa ukubonelela ngolu hlobo lonikezelo lwamandla e-DC.
Unikezelo lwamandla ombane kwimizi-mveliso yamandla kunye nezikhululo ngoku lusebenzisa unikezelo lombane lweDC, olubonelela ngonikezelo lwamandla kumthwalo wolawulo, umthwalo wamandla kunye nomthwalo wokukhanyisa wengozi ye-DC, kwaye usisiseko solawulo nokhuseleko lwenkqubo yamandla yanamhlanje. Isikrini se-DC siqulethe iyunithi yombane yokukhwelana, iyunithi yemodyuli yokutshaja, iyunithi ye-Silicon chain chain, iyunithi yokutya ye-DC, iyunithi yokubeka esweni ukuhanjiswa kwamandla, iyunithi yemodyuli yokubeka iliso kunye neyunithi yokubeka iliso yokufakelwa.
Izikrini zeDC zisetyenziswa ikakhulu kumaziko ombane amancinci naphakathi, izikhululo zombane, izitishi ezahlukeneyo kunye nabanye abasebenzisi abasebenzisa izixhobo zeDC (ezifana nepetrochemical, umgodi, uloliwe, njl.njl.) kwinkqubo yamandla, kwaye iyasebenza kwizihlandlo ezinjalo. njengokucima kunye nezixhobo zesekethe yesibini, iimitha, ukukhuselwa kwe-relay, ukukhanya kwempazamo, njl.
Igumbi lokuhambisa amandla ombane aphezulu lisebenzisa isikrini se-DC njengobonelelo lwamandla ombane okulawula, ukukhusela, ukubeka iliso kunye nokusebenza kwesaphuli sesekethe; I-AC ikwalungile; Ngokukodwa kugqitywe luhlobo lonikezelo lwamandla okulawula kunye nokusebenza kwe-breaker circuit. Isikrini sangoku esithe ngqo sinezi nzuzo zilandelayo: (1) isikrini sangoku esithe ngqo asifuni kuqwalasela ingxaki yenqanaba lesithathu; (2) isikrini sangoku sikhuselekile kwaye sithembekile.
Isikrini se-DC sinokutshaja ngokupheleleyo ipakethi yebhetri kwangethuba xa umbane we-AC uqhelekile. Xa umbane we-AC uphelelwe amandla, utyiswa yibhetri, enokuthi iqinisekise ukusebenza, ukulawula, ukukhuselwa kunye nokubeka iliso kwi-breaker circuit.
I-UPS yinkqubo enye yolawulo lwe-loop evaliweyo yengxelo yombane, ngoko ke imveliso yayo ye-voltage sine wave wave kunye ne-voltage eguquguqukayo yohlengahlengiso oluchanekileyo lungcono; Ngelixa inkqubo yokulawula inverter ye-EPS iyinkqubo yokulawula i-loop evaliweyo emininzi eyenziwe ngevolthi kunye nengxelo yangoku, kwaye amandla ayo aphumayo anomthamo owomeleleyo wokulayisha kunye nokuguquguquka komthwalo. Ukuthembeka okuphezulu.
Into yobonelelo lwamandla e-UPS yikhompyuter kunye nezixhobo zenethiwekhi. Kukho umahluko omncinci kwiipropati zomthwalo, ngoko ke amandla aphumayo e-UPS yi-0.8 ngokomgangatho wesizwe. I-EPS isetyenziswa kakhulu njengeSiqinisekiso seNgxamiseko yonikezelo lwamandla, kwaye iipropati zomthwalo zi-inductive, capacitive kunye nokulungisa imithwalo. I-UPS ye-intanethi iqinisekisa unikezelo lwamandla olungaphazamisekiyo kunye nokunikezelwa kwamandla aphezulu. I-inverter iyakhethwa; Ngelixa unikezelo lwamandla lwe-EPS lukhethwa ukuqinisekisa ukusetyenziswa okungxamisekileyo.
Zombini zinombane odlulayo kunye nesekethe ye-inverter, kodwa i-EPS inomsebenzi wobonelelo lwamandla oluqhubekayo. Ngokubanzi, imfuno yexesha lokutshintsha i-inverter ayiphezulu, kwaye kunokubakho iziphumo ezininzi. Ezinye ii-EPS zikwaxhotyiswe ngomsebenzi wokubeka iliso we-monomer yebhetri.
Kwilizwe lethu, i-EPS isetyenziselwa kakhulu imithwalo yokulwa nomlilo kunye nezinye izixhobo zombane ezingenazo iimfuno eziphezulu kumgangatho wokubonelela umbane kodwa kufuneka ziqinisekise ukunikezelwa kwamandla okuqhubekayo, kugxininisa kuphela umsebenzi wokunikezelwa kwamandla okuqhubekayo. Xa i-EPS isetyenziselwa umthwalo womlilo, iteknoloji yemveliso yayo iqinisekiswa nguMphathiswa woKhuseleko loLuntu. I-UPS isetyenziswa ngokubanzi kwikhompyuter, inkqubo yolwazi lwedijithali kunye nezinye izihlandlo. Umthwalo okumgangatho ophezulu wokubonelela ngombane uyafuneka, ogxininisa ikakhulu ixesha lokutshintsha i-inverter, i-voltage ephumayo, ukuzinza kwamaza, ukucoceka kwe-waveform ephumayo, akukho ukuphazamiseka, njl.
Ukuhanjiswa kwamandla kwe-DC Screen, unikezelo lwamandla e-UPS kunye nonikezelo lombane lwe-EPS zizinto zonke ezibalulekileyo zokuhambisa amandla kwimveliso kunye nobomi, ukubonelela ngesiqinisekiso sokubonelela ngombane kwimveliso yethu kunye nobomi. Nangona unikezelo lwamandla oluthathu lwahlukile, zonke zisetyenziswa njengezixhobo zokusasaza amandla, zibonelela ngombane ozinzileyo nothembekileyo kumbane wasekhaya nowemveliso, kwaye zidlala indima ebalulekileyo kwiindawo zezicelo.