Isikhokelo esipheleleyo se-AC/DC SPDs, ii-Surge Arresters, kunye noKhuseleko lwe-PV
Ndihlala ndixhalabile malunga nokungasebenzi kwenkqubo xa ukunyuka okungalindelekanga kuchaphazela iiprojekthi zam, ngoko ke ndixhomekeke kwi Isixhobo esiKhuselekileyo sokuKhuthaza esiQinisekileyo ukugcina yonke into efakelweyo izinzile kwaye iqikelelwa kwangaphambili.
Isixhobo Sokukhusela Ukunyuka (i-SPD) kunye nesixhobo sokuthintela ukuqhuma ziinxalenye zokhuseleko lombane ezisetyenziselwa ukujika umbane okanye ukutshintsha ukuqhuma kude nezixhobo. Zikhusela iinkqubo ze-PV, iinethiwekhi ze-AC, abalawuli, kunye noomatshini bemizi-mveliso ngokuvala ii-voltage eziyingozi ngaphambi kokuba zifikelele kwii-elektroniki ezinobuthathaka.
Ukuba uyafuna ukhuseleko oluqinileyo lokushushumbisa iifektri, izakhiwo, okanye izityalo zelanga, ukuqonda indlela ezisebenza ngayo ii-SPD kuya kukunceda ukhethe i-SPD yemizi-mveliso efanelekileyo kwaye kunciphise iingozi zokusebenza kwexesha elide. Ngoku mandichaze yonke into ngokucacileyo.
Zithini ii-Surge Arresters kunye ne-SPDs kwiinkqubo zoMbane nezeSolar
Ndihlala ndibona ukudideka phakathi kwe-SPDs kunye nabathinteli bokunyuka kwesantya, kwaye kuyabacaphukisa amaqela okuthenga afuna nje ukhuseleko oluthembekileyo.
Izithinteli zokuxhuzula kunye nee-SPD zombini zikhusela iinkqubo zombane kwi-overvoltages enamandla aphezulu. Ii-SPD zibamba kwaye ziguqule ukuxhuzula, ngelixa izithinteli zokuxhuzula zithintela iimpulse zombane kumanqanaba aphezulu amandla. Zombini zinciphisa ukusilela kwezixhobo kwaye ziphucula ukuthembeka kwenkqubo.
Izithinteli zokuxhuzula kunye nee-SPD zisebenza ngokwahlukileyo nangona zijolise kwingxaki efanayo. I-SPD isebenzisa ikakhulu iinxalenye ze-MOV okanye ze-GDT ukunciphisa ii-transient voltage spikes. Isithinteli sokuxhuzula sidla ngokubekwa emnyango wenkonzo ukuthintela iimpembelelo zombane ezinamandla aphezulu ukuba zingangeni kwisakhiwo. Ndisebenzisa ii-SPD kwisekethe ezisezantsi kuba zisebenza ngokukhawuleza, ngelixa ndisebenzisa izithinteli zokuxhuzula kwiphaneli ephambili kwimicimbi yombane onzima.
Inkcazo ye-SPD vs Surge Arrester
I-SPD ithintela umbane ogqithisileyo ngokuvala umbane ogqithisileyo, ngelixa isixhobo sokuthintela umbane ogqithisileyo sijika umbane onamandla aphezulu uye emhlabeni ngaphandle kokuwuvumela ungene kwindawo yokusebenza. Ndisoloko ndichaza lo mahluko ukuze ndiphephe ukukhetha imveliso ngendlela engafanelekanga.
Indlela iTekhnoloji ye-MOV esebenza ngayo kwiZixhobo zoPhuculo
IiMOV zitshintsha ukumelana ngokusekelwe kumbane. Xa kuvela ukunyuka okukhulu, ukumelana kweMOV kuyehla ngoko nangoko, kuthumele amandla agqithisileyo emhlabeni. Le mpendulo ikhawuleza, izinzile, kwaye ifanelekile kwizicelo ze-SPD zoshishino.
Izinto eziphambili: MOV, GDT, Thermal Fuse
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I-MOV iphatha ukunyuka okukhawulezayo
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I-ADG iphatha imisinga emikhulu yombane
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I-fuse yobushushu iyaqhawuka xa i-MOV ishushu kakhulu
Ezi zinto zintathu zisebenza kunye ukubonelela ngokhuseleko oluzinzileyo.
Iintlobo ze-SPDs ze-PV, i-AC, kunye ne-DC Power Systems
Ndihlala ndisebenza neenkqubo ze-AC/DC ezixutyiweyo, kwaye ukukhetha uhlobo olungalunganga lwe-SPD kunokubangela ukungaphumeleli okanye ukusebenza okungakhuselekanga.
Ii-SPD zihlulwe ngokwendawo yokufakela, uhlobo lwe-voltage, kunye nenqanaba lokukhusela. Uhlobo 1 Ilawula ukugqabhuka kombane, i-Type 2 ilawula ukutshintsha ii-transients, kwaye i-Type 3 ikhusela izixhobo zesiphelo. Ii-AC SPD zikhusela iisekethe zegridi, ngelixa ii-DC SPD zikhusela iintambo ze-PV ukuya kuthi ga kwi-1000V.
Ngezantsi ziindlela eziqhelekileyo zokwahlulahlula ze-SPD endizisebenzisayo kwiiprojekthi zoshishino kunye nelanga:
Iindidi ze-SPD ngokwesicelo
| Udidi lwe-SPD | Uhlobo lweVolthi | Ukusetyenziswa Okuqhelekileyo |
|---|---|---|
| Uhlobo lwe-1 SPD | I-AC | Iiphaneli eziphambili, iindawo zombane |
| Uhlobo lwe-2 SPD | U-AC DC | Ukusasazwa okuncinci, iifektri |
| Uhlobo lwe-3 SPD | I-AC | Imithwalo ebuthathaka, izixhobo ze-elektroniki |
I-AC SPD yeeNkqubo zeSigaba esinye kunye neSigaba esi-3
Ndisebenzisa ii-AC SPDs kwiibhodi zokusasaza ukukhusela iimoto, iinkqubo ze-HVAC, kunye noomatshini bemizi-mveliso. Ii-SPDs zesigaba esithathu zibonelela ngokhuseleko olulinganayo kwi-L1, L2, kunye ne-L3.
I-DC SPD yeeNkqubo zePV ukuya kuthi ga kwi-1000V
Ii-PV DC SPDs zikhusela ii-solar arrays, ii-inverters, kunye neebhokisi ze-combiner. Ezi SPDs zenzelwe ukujongana noxinzelelo lwe-DC oluqhubekayo ngokukhuselekileyo.
Uhlobo 1, Uhlobo 2, kunye nohlobo 3 lweZikhuseli zoKhuthazo zichaziwe
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Uhlobo 1: ukhuseleko lombane ngaphambili
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Uhlobo 2: ukhuseleko lokunyuka kokutshintsha okusezantsi
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Uhlobo 3: ukhuseleko lwezixhobo zesiphelo
Ukukhuselwa kokunyuka kweenkqubo zombane ze-480V kunye ne-110V
Xa ndinceda iinjineli ukuba zikhethe ii-SPD, umlinganiselo we-voltage uhlala uyinto yokuqala ekufuneka yenziwe.
Iinkqubo ze-480V kunye ne-110V zifuna imida eyahlukeneyo ye-SPD voltage ukuze zibambe ii-surges ngokukhuselekileyo. I-480V 3-phase surge protector iphatha imithwalo yemizi-mveliso, ngelixa ii-110V/220V SPDs zikhusela iisekethe zasekhaya nezezorhwebo.
Iindidi zeVoltage kunye noKhetho lwe-SPD
| I-Voltage yeNkqubo | Ukhetho lwe-SPD | Ukusetyenziswa Okuqhelekileyo |
|---|---|---|
| 110V | Uhlobo lwe-AC SPD 2 | Amakhaya, iiofisi |
| 220V | Uhlobo lwe-AC SPD 2 | Urhwebo ngokubanzi |
| 480V | Uhlobo lwe-AC SPD 1/2 | Iifektri zemizi-mveliso |
Yintoni i-480V 3-Phase Surge Protector?
Le SPD ikhusela iimoto zoshishino, iitransformer, iiVFD, kunye neenethiwekhi zokusasaza kwiindawo ezinkulu. Kufuneka ikwazi ukumelana nombane ophezulu kwaye imelane nokunyuka okuphindaphindiweyo.
Indlela ii-SPD ze-110V kunye ne-220V ezisebenza ngayo kwiinkqubo zokuhlala
Iisekethe zokuhlala zifuna i-voltage ephantsi yokubopha ukukhusela izixhobo ze-elektroniki ezinobuthathaka. Ezi SPD zisabela ngokukhawuleza xa kutshintsha amandla avela kwizixhobo.
Umkhuseli oSisiseko woKhuthazo vs i-SPD ePhambili
Isithinteli somsinga esisisiseko sinika kuphela ukucoca okuncinci okusekelwe kwi-MOV. I-SPD yezimboni inikezela ngee-disconnectors zobushushu, izalathisi zesimo, iimodyuli ezinokutshintshwa, kunye novavanyo lwamandla aphezulu.
Ukhuseleko lwePV Surge kwiiphaneli zelanga kunye nee-Inverters
Izityalo zelanga zinovelwano kakhulu kumbane kunye nokutshintsha kwemozulu, ngoko ke ndihlala ndicebisa ukuba ubeke ii-SPD kumacala e-AC kunye ne-DC.
Ii-PV SPD zikhusela iintambo zelanga, ii-inverters, abalawuli be-MPPT, kunye nezixhobo zokubeka esweni. Zinciphisa ixesha lokungasebenzi kwaye zandisa ubomi benkqubo.
Iindawo zoKhuselo lwe-PV
| Icandelo le-PV | I-SPD ecetyiswayo | Isizathu |
|---|---|---|
| Uluhlu lwePV | I-DC SPD | Ikhusela iintambo ezinde zeDC |
| Ibhokisi yokudibanisa | I-DC SPD | Ukuvezwa okuphezulu kokunyuka kwamandla |
| Isiphumo se-AC se-Inverter | I-AC SPD | Ukhuseleko lwe-grid-tie |
Umkhuseli wokunyuka kweeNkqubo zamandla elanga
Ezi SPD zenzelwe ukujongana nombane we-DC oqhubekayo kunye nokunyuka kombane okuqhelekileyo kwiindawo ezivulekileyo.
Indima ye-SPD kwi-DC Combiner kunye nee-PV Array Boxes
Iibhokisi zokudibanisa ziindawo zokuqala zokungena kwee-surges. Ii-SPD kufuneka zifakwe apha ukuze kumiswe uninzi lwamandla ngaphambi kokuba afike kwi-inverter.
Indlela Yokukhusela Ii-elektroniki zeLanga kunye nee-Controllers
Ndikhusela abalawuli ngokongeza ii-Type 2 AC SPDs kwimveliso kunye nee-Type 2 DC SPDs kwingeniso. Oku kudala uthotho lokhuselo oludibeneyo.
Iimfuneko zokufakelwa kwee-AC/DC SPDs kwiiNkqubo zeSolar
Ukufakelwa kakubi yeyona nto ibangela ukungaphumeleli kwe-SPD, kwaye ndihlala ndikubona oku kwimizi-mveliso nakwiifama zelanga.
Ukufakelwa kweentambo ngokuchanekileyo, ukugqunywa komhlaba, kunye nokukhetha i-SPD kuthintela ubushushu obugqithisileyo, ukukhubeka okungachanekanga, kunye nomonakalo wokufakelwa kwe-insulation. Abafaki kufuneka balandele iindlela ezimfutshane zokufakelwa kweentambo kunye nokubopha okufanelekileyo.
Iintambo ezifanelekileyo ze-AC SPD yeSigaba esinye kunye neSigaba esi-3
Ndigcina ubude beentambo bungaphantsi kwe-0.5m ukuphucula ixesha lokuphendula kwe-SPD. Iintambo ezinde zinciphisa amandla okukhusela.
Indlela yokufaka i-SPD kwiisekethe ze-PV DC 1000V
Ii-PV DC SPD kufuneka zifakelwe i-polarity kunye ne-grounding echanekileyo. Ndilandela imizobo yomenzi ngokungqongqo ukuze ndiphephe iingozi zombane obuyela umva.
Iimfuneko zokuQinisa kunye nokuQinisa izixhobo zokuSurge
Ukubopha kufuneka kube yi-low-impedance kwaye kuqhagamshelwe kwi-busbar ephambili yomhlaba. Umhlaba ongalunganga ubangela ukungasebenzi kakuhle kwe-SPD.
Ukukhetha Ibhokisi Yesigqubuthelo Esifanelekileyo Sokukhusela Ukunyuka
Ukufakelwa kwangaphandle kufuna ii-enclosure ze-IP65 okanye ngaphezulu ukuthintela umonakalo womswakama.
Umsebenzi we-MOV Surge Arrester kunye nokuziphatha koKhuseleko
IiMOV zezona ziphambili kwiiSPD ezininzi endizisebenzisayo, ingakumbi kwiindawo zoshishino.
Izithinteli zokuxinana kwe-MOV zibamba ukunyuka ngokunciphisa ukumelana ngoko nangoko xa i-voltage idlula umda. Zibonelela ngokhuseleko olukhawulezayo noluzinzileyo kwiifektri nakwiinkqubo zelanga.
Yintoni i-MOV Surge Arrester
Isebenzisa izinto ze-metal-oxide semiconductor ukubona ukunyuka kwamanzi nokuwajika aye emhlabeni.
Iindlela zokungaphumeleli kwe-MOV kunye nokuCinywa kobushushu
Ii-MOV zinokufudumala kakhulu emva kokunyuka okuphindaphindiweyo, ngoko ke ii-fuse zobushushu ziyaqhawuka ngokukhuselekileyo. Ndikhetha ii-SPD kuphela ezineempawu zokwahlulwa kobushushu.
Indlela Izixhobo ze-MOV ezikhusela ngayo kwiimpembelelo zombane
Zifunxa umphambili wombane ohamba phambili kwaye ziwuthintele ukuba ungangeni kwi-elektroniki esezantsi.
Isikhokelo sokuthenga: Indlela yokukhetha i-SPD efanelekileyo kwisicelo sakho
Xa ndinceda amaqela okuthenga, ndihlala ndigxila kumbane, umlinganiselo wangoku, kunye nesatifikethi.
Khetha ii-SPD ngokusekelwe kwi-voltage yenkqubo, ukalisho lwe-Imax, ixesha lokuphendula, kunye neziqinisekiso ezifana ne-UL1449/IEC61643. Kwiinkqubo ze-AC/DC ezixutyiweyo, khetha ii-SPD ezahlukeneyo kwicala ngalinye.
Ii-SPD zokulinganisa iinkqubo ze-100A, 220V, kunye ne-480V
Iinkqubo ze-voltage ephezulu zifuna umlinganiselo ophezulu we-MCOV kunye ne-Imax. Imigca yemizi-mveliso ye-480V ifuna ii-SDP zohlobo lwe-1/2 eziqinileyo.
Ukukhetha i-AC vs DC SPD kwiiNkqubo zeSolar eziXubeneyo
Ungaze uzitshintshe. Ii-DC SPD zilawula i-polarity eqhubekayo; ii-AC SPD zakhelwe ukutshintshana kwamaza.
Indlela yokukhetha iiBrand zeSPD kunye neeCertifications
Ndikhetha ababoneleli abane-QC ezinzileyo, amaxwebhu acacileyo, kunye nokuhanjiswa okuqikelelweyo—ingakumbi kubathengi abakhulu abenza izinto njengawe.
Isiphelo
Khetha umgangatho ophezulu Isixhobo esiKhuselekileyo sokuKhuthaza esiQinisekileyo ukukhusela yonke inxalenye yenkqubo yakho yombane okanye yelanga kunye nokunciphisa iingozi zexesha elide.
FAQ
1. Ngaba ndizidinga zombini ii-SPD zohlobo 1 kunye nohlobo 2?
Ewe. Uhlobo 1 lulawula amandla ombane, kwaye Uhlobo 2 lulawula ukutshintsha kwamandla.
2. Kufuneka kutshintshwe kangaphi ii-SPD?
Rhoqo emva kweminyaka emi-3-5 kwiindawo apho kukho ukunyuka okukhulu okanye emva nje kokubonisa ukungaphumeleli.
3. Ngaba i-SPD enye ingakhusela isakhiwo sonke?
Hayi. Ukhuseleko olunamanqanaba amaninzi luyafuneka ukuze ugqunywe ngokupheleleyo.
4. Ngaba ii-DC SPD ziyafuneka kwiinkqubo ze-PV?
Ewe. Zikhusela imigca emide yentambo ye-PV ekuchatshazelweni ngumbane.
5. Zeziphi iziqinisekiso ekufuneka ndizijonge?
IEC61643, UL1449, CE, RoHS, kunye neengxelo zovavanyo.
6. Ngaba ii-SPD zingayithintela ngokupheleleyo ingozi yombane?
Hayi, kodwa zinciphisa kakhulu amandla afikelela kwizixhobo.