Uhlobo lwe-1 Solar Surge Protection Device SPD
Isetyenziswa kwiindawo ezinomngcipheko omkhulu wokubethwa ngumbane - uthotho lwe-LKX-B+C
Ukuthembeka okugqwesileyo kokusebenza kuqinisekiswa yi-short-circuit current rating efikelela kwi-2000A.
Inkcazo:
● Umbane osebenzayo ophezulu. Uc: 1000V 1200V 1500V
● Uhlobo1/Udidi I/ Udidi B+C
● Umsinga wokukhupha umoya (10/350 us) limp =15kA @ Uhlobo 1
● Umbane ophumayo ophezulu (8/20 us) I-Imax = 100kA @ Uhlobo 2
● Ukumelana nobushushu (iiRins): ＞100Mohm
● Izinto zendlu: i-nylon ethintela umlilo
● Izinto ezikhuselayo: I-Metal Oxide Varistor (MOV) kunye neGas Discharge Tube (GDT)
Cela iNtetho
Isixhobo sokukhusela ukurhawuzelelwa kwe-Type1+2 DC (ii-SPD)
Izixhobo zokukhusela ukurhawuzelelwa kwe-LKX-PV Series-Flame-retardant surge zokukhusela izixhobo ze-photovoltaic.
I-Type1+2 DC SPD Idibana novavanyo lwe-SPD lweKlasi I (10/350 μs waveform) kunye novavanyo lwe-SPD lweKlasi II (8/20 μs waveform)
Ukusebenzisa i-MOV esebenza kakuhle ye-34S-H, ubuninzi buya kuba yi-10/350us 9kA
Inkcazo:
● I-Voltage eqhelekileyo (Dc): 600V 800V 1000V 1200V 1500V
●Uhlobo 1+2/ Udidi I+II/ Udidi B+C
● Umsinga wokukhupha oqhelekileyo (8/20us) [kwi] 20KA
● Umbane ohamba ngesantya sombane (10/350us) [limp] 6.25kA
● Itotali yokukhupha i-muitipole SPD [Itotali] 12.5kA
● Imo yokukhusela DC+PE.DC-/PE
010203
Cela iNtetho
Isixhobo sokukhusela i-Photovoltaic surge sohlobo lwesibini (ii-SPD)
Uthotho lwe-LKX-PVxx DC 500V 600V 800V 1000V 1200V 1500V SPD yenkqubo yelanga
Izixhobo zokukhusela ukugquma zinokuxhotyiswa ngokuzikhethela ngamakhono okusebenza kude
Inkcazo:
● Inani lepali: 2p/3p
● Umbane osebenzayo oqhubekayo ophezulu (Dc): 500V 600V 800V 1000V 1200V 1500V
● Umsinga wokukhupha oqhelekileyo (8/20μs) [In] 20kA
● Umbane wokukhupha umbane ophezulu (8/20ys) [Imax] 40kA
● Umbane we-short-circuit ovumelekileyo [Isccr] 25kA
● Imeko yokusebenza/isibonakaliso sempazamo: Luhlaza/Bomvu
● Ukusebenzisa i-34s MOV, ubuninzi buya kuba yi-8/20 μs 40kA
010203
Cela iNtetho
Isixhobo sokukhusela i-solar surge esinokufakelwa ukuze sikhusele inkqubo yelanga okanye i-solar panel inverter
Izixhobo zokukhusela i-Surge Protective Devices (SPDs) zibalulekile ekukhuseleni ii-solar photovoltaic (PV) inverters kwi-electrical surges kunye ne-spikes, ingakumbi ezo zibangelwa yi-electrical surges. Kwiindawo ezinomsebenzi ophezulu we-electrical, iinkqubo ze-PV ezingakhuselekanga zinokufumana umonakalo oqhubekayo nonzima, okukhokelela kwiindleko ezinkulu zokulungisa, ixesha elide lokungasebenzi, kunye nokulahlekelwa yingeniso. Ii-SPD ezifakwe ngokufanelekileyo zibalulekile ekunciphiseni impembelelo ye-electrical beat kunye nokukhusela izinto ezinobuthathaka zeenkqubo ze-PV, kubandakanya ii-AC/DC inverters, izixhobo zokubeka esweni, kunye nee-PV arrays. Ngokutyala imali kukhuseleko lwe-surge olusebenzayo, unokuqinisekisa ukuba inkqubo yakho yamandla elanga ihlala ixesha elide kwaye ithembekile.
Ungayikhetha njani isixhobo sokukhusela ukugquma esifanelekileyo kwisicelo sakho esithile?
Ukukhetha isixhobo esifanelekileyo sokukhusela ukuvuza (i-SPD) kwisicelo sakho kubalulekile. Qala ngokuchonga uhlobo lwe-SPD olufunayo. Izixhobo ze-T1 zisebenza kakuhle kwiindawo ezinobungozi obukhulu, njengeendawo ezithandwa kukutshayiswa ngumbane ngqo. Ezi zixhaphakile kwizakhiwo zoshishino okanye kwiinkqubo ze-photovoltaic. Izixhobo ze-T2 zisetyenziswa ngaphakathi endlwini ukujongana nokuvuza okungathanga ngqo, ngelixa izixhobo ze-T3 zibonelela ngokhuseleko olongezelelweyo kwii-elektroniki ezinobuthathaka.
Jonga umlinganiselo we-voltage ukuqinisekisa ukuba ihambelana nenkqubo yakho. Kwiinkqubo ze-DC ezifana nokuseta i-photovoltaic, ukukhetha isixhobo esine-voltage echanekileyo kubalulekile. Kuya kufuneka uqinisekise ukuba umthamo wokukhupha unokukwazi ukumelana namanqanaba okunyuka okulindelekileyo. Kwiindawo ezinomngcipheko ophezulu, umthamo ophezulu ubalulekile. Kwaye ungalibali ngexesha lokuphendula—ukuphendula ngokukhawuleza kubalulekile ekukhuseleni izixhobo ezinobuthathaka kwi-voltage spikes.
Cinga ngemeko-bume apho i-SPD iza kufakelwa khona. Ukuba ivezwe kwiimeko ezinzima, khetha uyilo olumelana nemozulu okanye oluthintela ilangabi. Kwizicelo ezibalulekileyo, ii-SPD ezinokubeka esweni kude zibonelela ngohlaziyo lokusebenza ngexesha langempela, zinceda ngokugcinwa kunye nokutshintshwa. Okokugqibela, qiniseka ukuba i-SPD iyahlangabezana nemigangatho yoshishino efana ne-IEC 61643 kwaye ineziqinisekiso ezifana ne-ISO okanye i-CE.
Ii-SPD zomzi-mveliso wethu zihlangabezana nazo zonke izinto ezibalulekileyo ezifunekayo ukuze kukhuselwe ngokuthembekileyo. Ngokukhetha izixhobo zethu zokukhusela ukugxagxama, uya kuqinisekisa ukhuseleko olufanelekileyo kunye nokuthembeka kwexesha elide kwezixhobo zakho.
Izakhono zokujonga kude zingayiphucula njani indlela yokugcinwa kokhuseleko lokuqubha?
Oku kuvumela ukuba iingxaki ezinokubakho zibonwe kwangethuba, nto leyo evumela ukulungiswa kwangaphambili ngaphambi kokuba kwenzeke ukusilela. Ngokuchonga iingxaki kwangaphambili, amashishini anokucwangcisa ukuhlolwa okanye ukutshintshwa ngexesha elifanelekileyo, ukunciphisa umngcipheko wokungasebenzi kakuhle okanye umonakalo wezixhobo. Izilumkiso ezikhawulezileyo zikwanciphisa ukuphazamiseka kwenkqubo, ngakumbi kwiziseko ezibalulekileyo ezifana neenkqubo ze-photovoltaic okanye izibonelelo zoshishino, apho ukuphazamiseka kombane kunokukhokelela ekulahlekelweni okukhulu kwemali.
Ukongeza, ukujonga kude kunciphisa iindleko zomsebenzi nezokugcinwa ngokuphelisa ukuhlolwa okungeyomfuneko kwindawo, ngelixa kuqinisekiswa ukuba izixhobo zokukhusela ukuvuza zisebenza kakuhle. Kwizinto ezinkulu ezifakelweyo, ulawulo oluphakathi lwezixhobo ezininzi kwiindawo ezahlukeneyo lwenza inkqubo ibe lula, luqinisekise ukuthembeka kunye neempendulo ezikhawulezayo kwimiba.