Izibane ze-LED zokuKhusela isixhobo

Izibane ze-LED zokuKhusela isixhobo

Izibane ze-LED zoKhuseleko lwezixhobo zeZitalato ze-Street Street, zinokudityaniswa kuthotho okanye ukufana. Ngokuqhelekileyo - 6kV / 3kA; Ukuphuculwa-10kV / 5kA; Ugqithisile - 20kV / 10kA

Ukukhusela abakhuseli benkqubo yokukhanyisa i-LED

Nangona kunjalo, obu buchwephesha bumtsalane bunobuthathaka obubalulekileyo: ubuntununtunu bayo kwimithambo yexeshana eyenziwe ngumbane okanye ngokusebenza kombane kwinethiwekhi ye-AC.

Ngenxa yendawo esasazekileyo kunye nokutyhila okungaphezulu, inkqubo yokukhanyisa i-LED iya kujongana nokunyuka okuza kudala ukusilela kokunikezelwa kwamandla, ukonakalisa izinto ze-LED okanye ilahleko yokukhanya kokukhanya. Ngenxa yezi zizathu, ukusetyenziswa kwabakhuseli abachaphazelekayo abakwiindawo ezikumgangatho ophezulu wokukhanyisa i-LED kuyacetyiswa.

I-LSP inikeza abakhuseli bokunyuka okwenzelwe ukufakwa kwiindawo ezahlukeneyo kwinethiwekhi yokukhanyisa njengezibane zetrato, isiseko sezibonda, kunye neekhabhinethi zetrato.

IsiXhobo soKhuseleko sezibane ze-LED SLP10-320 uthotho kunye nothotho lwe-SLP20-320 olukhuselwe ngokwe-thermal isiXhobo soKhuseleko se-Surge sisixhobo esizikhuselayo esilungiselelwe ngokukodwa ukuba sisetyenziswe kwizibane ze-LED zangaphandle kunye nezorhwebo zokukhusela umbane odlulayo.

Iphuhlisiwe kunye I-LSPItekhnoloji ye-varistor ekhuselweyo ngokwasemzimbeni.

Umsebenzi wayo owakhelwe-ngaphakathi kwi-thermal disc unikezela ukhuseleko olongezelelekileyo ukuthintela ukusilela okuyintlekele kunye nomlilo naphantsi kweemeko ezigqithileyo zokuphela kobomi be-varistor okanye ukugcina iimeko zokugcwala.

Isixhobo soKhuseleko lweZibane ze-LED SLP10-320 kunye ne-SLP20-320 ibonisa isalathisi se-LED esakhiweyo esazisa xa kufuneka ukutshintshwa kwemodyuli.

Imigaqo kunye neenkcazo

Amandla ombane u-U_N

Amandla ombane amela amandla ombane wenkqubo eza kukhuselwa. Ixabiso levolthi yamagama aqhelekileyo lihlala lisebenza njengohlobo lokhetho lwezixhobo zokukhusela izixhobo zetekhnoloji yolwazi. Kuboniswa njengexabiso le-rms kwiinkqubo ze-ac.

Ubuninzi bokusebenza kwamandla ombane u_C

Amandla ombane aphezulu aqhubekekayo (amandla ombane avumelekileyo aphezulu) lixabiso leerms zamandla ombane aphezulu anokuqhagamshelwa kwiziphelo ezihambelana noko kwesixhobo sokukhusela ngexesha lokusebenza. Owona mbane ubuninzi ekubanjweni kwimeko echaziweyo engaqhubiyo, ethi ibuyise umbanjwa abuyele kweli lizwe emva kokukhubeka kunye nokukhululwa. Ixabiso le-UC lixhomekeke kumandla ombane wenkqubo eza kukhuselwa kunye neenkcukacha zomfaki (IEC 60364-5-534).

Ukukhutshwa ngegama ngoku I_n

Ukukhutshwa kwangoku ngegama kukuphakama kwexabiso le-8/20 μs yangoku apho isixhobo esikhuselekileyo sokukhusela silinganiswe kwinkqubo ethile yovavanyo kwaye isixhobo esikhuselayo sinokukhupha amatyeli aliqela.

Ukukhutshwa okuphezulu kwangoku I_max

Elona xesha liphezulu lokukhutshwa ngoku lelona xabiso liphezulu le-8/20 μs yokunyanzeliswa kwesixhobo ngoku esinokuthi sikhuphe ngokukhuselekileyo.

Umbane unyanzelisa ngoku ukuba mna_imp

Umbane oshukumisayo wangoku ngumgangatho omiselweyo wejika yangoku kunye nefom ye-10/350 μs. Iiparameter zayo (ixabiso lencopho, intlawulo, amandla athile) kulingisa umthwalo obangelwe yimibane yendalo. Umbane wangoku kunye nokudityaniswa kwababanjiweyo kufuneka babenakho ukukhupha loo mibane yokuqhubela umbane amatyeli aliqela ngaphandle kokutshatyalaliswa.

Ukukhutshwa okupheleleyo okwangoku I_lilonke

Okwangoku kuhamba nge-PE, i-PEN okanye unxibelelwano lomhlaba lwe-SPD ye-multipole ngexesha lovavanyo olupheleleyo lwangoku. Olu vavanyo lusetyenziselwa ukumisela umthwalo opheleleyo ukuba ngoku kuhamba ngokuhamba ngeendlela ezininzi zokukhusela ze-SPD ezininzi. Le parameter ithatha isigqibo malunga nomthamo opheleleyo wokukhutshwa oqhutywa ngokuthembekileyo lixa lomntu lowo

iindlela ze-SPD.

Inqanaba lokukhusela i-Voltage U_P

Inqanaba lokhuselo lwevolthi yesixhobo sokukhusela elona xabiso liphezulu kwangoko levolthi kwiitheminali zesixhobo sokukhusela, esimiselwe kuvavanyo oluqhelekileyo:

-Umbane unyanzelisa amandla ombane 1.2 / 50 μs (100%)

Umbane weSparkover ngenqanaba lokunyuka kwe1kV / μs

Umlinganiso wevolthi yomda kwindawo yokukhutshwa ngegama ngoku_n

Inqanaba lokhuselo lwevolthi libonisa ukubanakho kwesixhobo esikhuselayo sokukhawulela ukunciphisa ama-surges kwinqanaba lentsalela. Inqanaba lokhuselo lwevolthi lichaza indawo yofakelo ngokubhekisele kudidi lwevoltage ngokwe-IEC 60664-1 kwiinkqubo zonikezelo lwamandla. Ukuze izixhobo zokukhusela zisetyenziswe kwiinkqubo zetekhnoloji yolwazi, inqanaba lokukhuselwa kwamandla ombane kufuneka lilungelelaniswe nenqanaba lokhuselo lwezixhobo eziza kukhuselwa (IEC 61000-4-5: 2001).

Ireyithi yangoku yesekethe emfutshane_SCCR

Elona xesha liphezulu langoku lokujikeleza okwangoku kwinkqubo ye-SPD, kwi

Ukudityaniswa kwesixhobo sokuqhawula unxibelelwano esikhethiweyo, kukaliwe

Ukujikeleza okufutshane kukumelana namandla

Ukuma okufutshane kokuma kwesekethe lixabiso lamandla ombane anokuhamba ngesantya esinezixhobo eziphathwayo ngesixhobo sokukhusela xa isixhobo sokugcina sokugcina siphezulu siqhagamshelwe phezulu.

Ukulinganisa okufutshane-kwesekethe I_I-SCPV ye-SPD kwinkqubo ye-photovoltaic (PV)

Ubuninzi be-short-circuit yangoku engathintekiyo apho i-SPD, iyodwa okanye ngokudibeneyo nezixhobo zayo zokucinywa, iyakwazi ukumelana nayo.

Ukugqithisa okwethutyana (TOV)

Ukugqithisa okwethutyana kunokubakho kwisixhobo sokukhusela ixesha elifutshane ngenxa yesiphoso kwinkqubo yamandla ombane aphezulu. Oku kufuneka kwahlulwe ngokucacileyo kwithutyana elibangelwe kukubetha kombane okanye ukusebenza kokutshintsha, okungagqithanga kangange-1 ms. Ubungakanani beU_T kunye nexesha lokudlula kwexeshana kuchaziwe kwi-EN 61643-11 (200 ms, 5 s okanye 120 min.) Kwaye kuvavanywa ngokukodwa ii-SPD ezifanelekileyo ngokokumiswa kwenkqubo (TN, TT, njl.). I-SPD inokuthi a) isilele ngokuthembekileyo (ukhuseleko lwe-TOV) okanye b) ibe kukunganyangeki kwi-TOV (TOV ukumelana), nto leyo ethetha ukuba isebenza ngokupheleleyo ngexesha kwaye ilandela ukonyuka okwethutyana.

Ukulayishwa okwangoku okukhoyo (okwangoku)_L

Okwangoku umthwalo okhoyo ngoku lelona xesha liphezulu livumelekileyo ngoku lokusebenza nelinokuhamba ngokusisigxina kwiitheminali ezihambelanayo.

Umqhubi okhuselayo ngoku u-I_PE

Umqhubi okhuselayo okwangoku okwangoku ohamba ngonxibelelwano lwe-PE xa isixhobo sokukhusela sixhunyiwe kumandla ombane oqhubekayo_C, ngokwemiyalelo yofakelo kwaye ngaphandle kwabasebenzisi becala lomthwalo.

I-fuse-side overcurrent protection / arrester fuse fuse

Isixhobo sokukhusela ngaphezulu (umz. I-fuse okanye isekethe yesekethe) ebekwe ngaphandle kwendawo yokubamba kwicala lokungenisa amandla ukuphazamisa isantya samandla silandela esikhoyo kwangoko xa amandla okophula isixhobo sokukhusela edlulile. Akukho fuseyus yokuncedisa eyongezelelweyo ifunwayo kuba i-backup fuse sele idityaniswe kwi-SPD (jonga icandelo elifanelekileyo)

Uluhlu olusebenzayo lobushushu T_U

Uluhlu lobushushu obusebenzayo lubonisa uluhlu lwezixhobo ezinokusetyenziswa. Kwizixhobo ezingazifudumezeliyo, ilingana noluhlu lwamaqondo obushushu. Ukunyuka kwamaqondo obushushu kwezixhobo zokuzifudumeza akufuneki kudlule kwelona xabiso liphezulu libonisiweyo.

Ixesha lokuphendula t_A

Amaxesha okuphendula ubukhulu becala abonakalisa ukusebenza kwempendulo yezinto ezikhuselweyo ezisetyenziswa ekubanjweni. Kuxhomekeke kwinqanaba lokunyuka kwe-du / dt yombane wempembelelo okanye i-di / dt yempembelelo yangoku, amaxesha okuphendula anokuhluka ngaphakathi kwemida ethile.

Unqanyuli

Izixhobo zokukhusela ukusetyenziswa kweenkqubo zonikezelo lwamandla ezixhotyiswe

ii-resistors ezilawulwa ngevolthi (varistors) ubukhulu becala zibonisa isixhobo sokudibanisa esisebenza ngokudibeneyo esikhupha isixhobo sokukhusela isixhobo kwimithambo yeengcingo kwimeko yomthwalo omninzi kwaye sibonisa imeko yokusebenza. Isikhupheli-siphenduli siphendula "kubushushu obukhoyo ngoku" obuveliswe yi-varistor egcweleyo kwaye sikhuphe isixhobo sokhuselo esivela kwiimitha xa kubushushu obugqithileyo. I-disconnector yenzelwe ukunqamla isixhobo esikhuselweyo sokuzikhusela ngexesha lokukhusela umlilo. Ayenzelwanga ukuqinisekisa ukukhuselwa kunxibelelwano olungqalileyo. Umsebenzi wezixhobo zokuqhawula izixhobo ezishushu zinokuvavanywa kusetyenziswa ukulayishwa okungaphezulu / ukuguga kwababanjiweyo.

Umqondiso wokubonisa kude

Umnxibelelanisi osayina ekude uvumela ukujonga ngokulula okukude kunye nokubonisa imeko yesixhobo. Inika isiphelo sesiphelo sepali ezintathu ngohlobo lonxibelelwano oludadayo. Olu nxibelelwano lunokusetyenziswa njengekhefu kunye / okanye unxibelelane kwaye lunokudityaniswa ngokulula kwinkqubo yolawulo lokwakha, umlawuli wekhabhathi ye switchgear, njl.

Ukubanjwa kwe-N-PE

Izixhobo zokukhusela ezenzelwe ngokukodwa ukufakela phakathi komqhubi we-N kunye ne-PE.

Umdibaniso wamaza

Umdibaniso wokudibanisa uveliswa ngumvelisi we-hybrid (1.2 / 50 μs, 8/20 μs) nge-impedance yentsomi ye-2 Ω. Umbane wesekethe ovulekileyo wale jeneretha kubhekiswa kuwo njenge-UOC. I-UOC sisalathiso esikhethwayo sohlobo lwe-3 ekubanjweni kuba kuphela aba babanjiweyo banokuvavanywa ngokudityaniswa kwamaza (ngokwe-EN 61643-11).

Umgangatho wokukhusela

Idigri yokhuseleko ye-IP iyahambelana necandelo lokhuseleko elichazwe kwi-IEC 60529.

Ibala lexesha

Uluhlu lwamaxesha lumela uluhlu lokuhambisa okanye ukunqunyulwa kwesantya sokubanjwa ngokuxhomekeke kwiimpawu ezichaziweyo zokuncitshiswa.

Kuya kufuneka isekwe kubungakanani beodolo.

Ukukhuselwa kombane we-EMC-umxholo wengingqi ngokungqinelana ne-IEC 62305-4: 2010 Indawo yokuKhusela uMbane (LPZ)

Imimandla engaphandle:

I-LPZ 0Indawo apho isoyikiso sibangelwe yintsimi yombane ongafakwanga umbane kwaye apho iinkqubo zangaphakathi zinokuthi zixhaswe ngokugqibeleleyo okanye ngokuyinxalenye kombane.

I-LPZ 0 yahlulwe yaya:

I-LPZ 0_AIndawo apho isoyikiso sibangelwe kukukhanya kombane ngokuthe ngqo kunye nentsimi yombane opheleleyo wombane. Iinkqubo zangaphakathi zinokuthi zixhomekeke kumbane opheleleyo wombane.

I-LPZ 0_BIndawo ekhuselweyo kwimibane ngqo kodwa apho isoyikiso sisibane esipheleleyo sendawo yombane. Iinkqubo zangaphakathi zinokuthi zixhomekeke kwimibane yokunyuka kombane.

Imimandla yangaphakathi (ikhuselwe kukubaneka ngokuthe ngqo):

I-LPZ 1Indawo apho umjikelo wokuphakama unqunyelwe kukwabelana ngoku kunye nokuhlukanisa indawo kunye / okanye zii-SPD kumda. Ukukhuselwa kwendawo kunokunciphisa intsimi yombane wombane.

I-LPZ 2 … N: Indawo apho uqhaqho lwangoku olunokuthi luthintelwe ngokwabelana kwangoku

kunye nokubekwa ecaleni konxibelelwano kunye / okanye ngee-SPD ezongezelelweyo kumda. Ukhuselo lomhlaba olongezelelekileyo lunokusetyenziselwa ukuqhubeka nokucutha intsimi yombane wombane.