Ndakha ndatshabalalisa I-inverter yelanga ye-$30,000kuba nditsibe i- uvavanyo lwe-SPD lwemizuzu emihlanu— musa ukuphinda loo mpazamo.

Kwi-intanethi yethu Umzi-mveliso weWenzhou SPD, thina vavanya yonke isixhobo sokukhusela ukugalelekangaphambi kokuba ithunyelwe. Inkqubo echanekileyo ibandakanya uhlolo olubonakalayo, ukumelana nobushushu, inqanaba lokukhusela i-voltage (VPR), umsinga wokuvuzakunye ukuqinisekiswa kwesalathisi.

Eli nqaku lichaza inyathelo ngalinye isiNgesi esicacileyo sobuchwephesha, ngokusekelwe kwinto efanayo uluhlu lokuhlola oludlulayo/olungaphumeleliyosiyisebenzisela Iifama zaseJamani naseMelika ezisebenzisa amandla elanga.

Ngoba Uvavanyo lwe-SPD Imiba kwiiNkqubo zamandla elanga kunye nezoShishino

Ndisakhumbula ivumba lesilicon etshisiweyo xa i-varistor ekhululekileyokuvunyelwe i Ukunyuka kwe-6 kVkumthengi waseMelika ibhokisi yokudibanisa ilanga.

Nye i-SPD engavavanywangaingacima yonke ifama yelanga. A uvavanyo lwemizuzu emibiniinokuthintela iiveki zokuphumlakwaye ukhusele eyakho isivuno samandla kunye nenzuzo.

Kwenzeka ntoni xa i-SPD ingaphumeleli ebaleni?

A isixhobo sokukhusela ukuxhuzula esingasebenzi kakuhle (i-SPD)ayenzi ngxolo — iyayeka ukusebenza buthule.
I Isilumkiso se-LED sisenokuhlala siluhlaza, nasemva kokuba i-varistorineempundu okanye imfutshane.

Ngowama-2022, iqela lethu lafumana umkhondo Ukuvalwa kwe-inverter ye-1.5 MWeIndiya ukuya i-SPD enye ayiphumelelangaeyayisele ilucingo. Indawo yalahleka Iintsuku ezili-14 zokuphuma kwelanga okuphezulu, iindleko Amaxesha angama-45 ngaphezulukune-SPD ngokwayo.

Ngaloo mini ndafunda umthetho wegolide: uvavanyo olungabizi kakhulu lusenexabiso eliphantsi kunoluncinci kakhulu olungasebenziyo.

Indlela iintambo zelanga ezifihla ngayo i-over-voltage

Ngaphakathi iinkqubo ze-solar photovoltaic (PV), i Iintambo zeDCazibotshelelwanga ngqo emhlabeni — zona “ukudada” ngaphezu kwamandla omhlaba.
Xa umbane unyuka okanye ukutshintsha okwethutyanaibetha icala leDC, ingakwazi nyusa i-voltage yonke yomtya ngaphezulu kwe-30 kVkwimizuzwana embalwa nje.

I-inverter itolika loo surge njenge i-over-voltage eyingozi kakhulu, nto leyo edla ngokubangela ukuvalwa ngokupheleleyo.

Ukuthintela oku, ndenza Uvavanyo lokumelana nobushushu lwe-1 kVkwibhetshi nganye ye-SPD ngaphambi kokuba ithunyelwe.
Ukuba ukufunda kwehlela ngezantsi 10 MΩ, iyunithi iyaliwa ngoko nangoko.

Itheyibhile engezantsi ibonisa idatha yovavanyo lwe-insulation yokwenyani kunye ne-VPRkwiibhetshi zemveliso ezingama-20 zokugqibela kwi-intanethi yethu Umzi-mveliso weWenzhou SPD.

Iziphumo zemizekelo ezivela kuvavanyo lwebatch ye-DC SPD — ukumelana nokufakwa kwe-insulation kunye nenqanaba lokukhusela i-voltage (VPR) phantsi kweemeko zovavanyo ze-1 kV.

Iimoto zemizi-mveliso nazo zinomsindo ofanayo

Imizi-mveliso Iimoto eziqhutywa yi-ACZisengozini efanayo kwi-over-voltage yexeshana njengee-solar arrays - ngamanye amaxesha zide zibe sengozini enkulu.

A Iphaneli yokulawula yemoto eyi-480 Vinomda omncinci kakhulu wokuxhuzula kunentambo ye-1000 V PV, nto leyo eyenza ukhetho kunye novavanyo lwe I-AC SPD (Isixhobo soKhuseleko lokuGqibela)kugxeka ngokupheleleyo.

Omnye wabathengi bam base-US abakha iipaneli wafunda oku ngendlela enzima. imodyuli ye-SPD engavavanywangakubangele ukuvalwa okungalindelekanga ngoMgqibelo ebusuku, nto leyo eyamnyanzela ukuba ahlawule abasebenzi bakhe ixesha elongezelelekileyo ukuze baqalise kwakhona isityalo.

Ukususela ngoko, ugxininisa ekufumaneni ingxelo yangoku yokuvuzakwibhetshi nganye ngaphambi kokuba ndivume iodolo yokuthenga. Ndichitha nje Ixesha lovavanyo le-$0.40 ngeyunithi nganye, kwaye uyasindisa abasebenzi abangaphezu kwe-$400— a I-1,000× yokubuyiselangokuhlola umgangatho olula.

Izixhobo Okufuneka Uzivavanye Isixhobo sokukhusela ukugqabhuka

wakha wabona umthengi evavanya isixhobo sokukhusela i-surge nge Izixhobo ze-$9 - i-multimeter yevenkile — yasinda kanye kwiimvavanyo ezimbini ngaphambi kokuba iphele.

Kwi-intanethi yethu Ilebhu yefektri ye-SPD eWenzhou, sixhomekeke kwi ingcali izixhobo zokuvavanya ukuxinana kwamanziyenzelwe zombini Ukuhlolwa kwe-DC kunye ne-AC SPD.

Nazi izixhobo ezine ezibalulekileyowonke uchwepheshe kufuneka vavanya isixhobo sokukhusela ukugqabhuka (i-SPD)ngokukhuselekileyo nangokuchanekileyo:

①A i-multimeter yedijithali elinganisiweyoukujonga i-voltage esisiseko kunye nokuqhubeka kwayo.

②A Isivavanyeli sokuxhathisa ukugquma se-1 kV (megger)ukuqinisekisa ubushushu phakathi kwemigca nomhlaba.

③A ijenereyitha yokukhupha amandla ephathekayo (i-1.2/50 µs okanye i-8/20 µs waveform)ukulinganisa i-voltage yokwenyani yokubamba phantsi komthwalo.

④A ikhamera yemifanekiso yobushushuukubona iindawo ezifihlakeleyo ezishushu kunye nee-varistor zangaphambi kokusilela.

Ezi zixhobo zine xa zidibene zigubungela ngaphezulu kwe-99% yeemeko zovavanyo lwe-SPD, ukusuka kwi-QA yomzi-mveliso ukuya ekuhlolweni kwendawo kwiifama zelanga okanye kwizityalo zoshishino.

Ngaba ndiyayidinga ngokwenene ijenereyitha yokukhupha umbane?

Ngokuqinisekileyo Ewe— ukuba ufuna ukwazi indlela yakho isixhobo sokukhusela ukuvuza (i-SPD)isebenza phantsi umsinga wombane wokwenyani, a umatshini wokuvelisa amandlaayisiyonto yokuzikhethela.

A i-meggerinokulinganisa kuphela i-insulation kunye ne-open-circuit voltage, kodwa yona Ayikwazi ukulinganisa i-8/20 µs okanye i-1.2/50 µs surge waveformoko kumisela indlela i-SPD ebamba ngayo amandla ngexesha lexesha elifutshane lokwenyani.

Kwi-intanethi yethu ilebhu yovavanyo lwe-SPD yefektri, Ndisebenzisa i Ijenereyitha yokukhupha amandla e-1.2/50 µs isetiwe kwi-6 kV.
Ngokuba Iimodeli ze-DC 600 V SPD, i inqanaba lokukhusela i-voltage (VPR)kufuneka uhlale ngaphantsi kwe-1 kVngexesha lovavanyo.

Yonke i-SPD esiyithumelayo inelebheli yayo ixabiso le-VPR elilinganisiweyo— eli nani licacileyo lakha ukuthembana nabathengi bethu IJamani, i-US, kunye ne-India, abaxhomekeke ekusebenzeni kokhuseleko okuqhubekekayo nokuqinisekisiweyo.

Ndingaqesha endaweni yokuthenga?

Ngokuqinisekileyo — ukuba imveliso yakho ye-SPD okanye umthamo wovavanyo lwakho ngowexesha elithile, ukuqesha izixhobo zovavanyo lokukhusela ukuxhuzulaingaba lutyalo-mali olukrelekrele.

Umzekelo, xa sibaleka Iibhetshi ze-SPD ezingama-5,000kwifektri yethu yaseWenzhou, mna qesha ikhamera yobushushu ye-FLIRmalunga $90 ngeveki.

I uvavanyo lomfanekiso wobushushukunceda ekufumaneni ii-varistor ezishushuoko kusenokuba pasa uvavanyo lwe-megger, etyhila ukusilela okufihlakeleyo kwangethuba ngaphambi kokuthunyelwa.

Kwinkqubo enye yemveliso, sifumene ii-SPD ezintathu ezineempazamousebenzisa ikhamera yokuqeshisa — iyonke imali eyongiweyo ekuphindeni umsebenzi kunye neendleko zewaranti ihlawule imali yokurenta ngosuku olunye.

Itheyibhile engezantsi ibonisa uthelekiso lwexabiso lokwenyani lokurenta xa kuthelekiswa nexabiso lokuthenga Izixhobo zovavanyo lwe-SPD.

Inkqubo yoVavanyo lwe-SPD yeNyathelo ngeNyathelo (i-DC kunye ne-AC)

Nokuba kungenxa Iinkqubo zelanga zeDCokanye Iiphaneli zolawulo lweemoto ze-AC, inkqubo yovavanyo lwe Izixhobo zoKhuselo oluKhulu (ii-SPD)ilandela ingqiqo efanayo — yimida yevolthi kuphela eyahlukileyo.

Kwi-intanethi yethu Indawo yokuvavanya iWenzhou SPD, Ndifaka isicelo inkqubo yovavanyo lwenyathelo ngenyatheloesetyenziswa ngabathengi bamazwe ngamazwe kwi IJamani, i-US, kunye nePakistanukuqinisekisa ukuthembeka kwe-SPD ngaphambi kokuthunyelwa.

1.Ii-DC SPDzivavanywa kwi Ukumelana nobushushu obuyi-600 V, ngelixa

2.KUNYE nee-SPDzivavanywa kwi I-voltage yomgca we-277 V.

Zombini zifumana I-6 kV surge impulse (imo yamaza ye-8/20 µs)kwaye kufuneka isibambo esingaphantsi kwe-1 kVngexesha lomsitho.

Uvavanyo ngalunye luyaphindwa kwi L–N, I-L–PEkunye I-N–PEiindlela zokuqinisekisa ukhuseleko olupheleleyo phantsi kweemeko zokwenyani zokuntywila.

Inyathelo 1 - Ukujonga okubonakalayo kunye nokujonga i-torque

Yonke Uvavanyo lwe-SPDiqala nge ukuhlolwa okubonakalayo kunye nokuhlolwa kwe-torque yesiphelo— inyathelo elilula, kodwa lelona lidla ngokungalandelwa ebaleni.

Ndiqala ngokujonga izindlu eziqhekekileyo, iimpawu zokutsha, okanye iitheminali ezikhululekileyooko kunokubangela iimpazamo ze-arc. Emva koko ndi i-torque nganye kwi-screw ukuya kwi-0.8 Nmusebenzisa umqhubi olinganisiweyo.

Ngesinye isihlandlo, ngexesha lokuhlolwa kwangaphambili kokuthunyelwa, ndafumana umsonto omnye wobheduphantse inqunyulwe phantsi kwesikrufu se-clamp. Ngeyayiza kuba yaphefumula xa kwaqala umbane, ibulala ngoko nangoko isekethe yokukhusela.

Ukususela ngoko, ndenze ukujonga okubonakalayo kunye ne-torqueinxalenye eyimfuneko yayo yonke Ingxelo yovavanyo lomgangatho we-SPDsithumela kubathengi ngaphakathi IYurophu kunye ne-US

Inyathelo lesi-2 - Ukumelana nobushushu

Inyathelo elilandelayo elibalulekileyo Uvavanyo lwe-SPDIngaba i umlinganiselo wokumelana nokufakwa kwe-insulationUkusebenzisa i 1 kV ingxubevange, Ndilinganisa ukumelana phakathi umgca (L) kunye nomhlaba okhuselayo (PE).

Yonke iyunithi kufuneka igcine >10 MΩUfundo olungaphantsi kwesi silinganiselo lubonisa ukuvuza kwe-varistor kwangoko, okubeka emngciphekweni ukhuseleko lokuhamba kwamanzi. Naluphi na uhlobo lwe-SPD olubonakalayo yi iyaliwa ngoko nangoko— akukho zikhetho.

Oku kulula uvavanyo lwe-meggerkuthintela ukusilela okufihlakeleyo okunokubangela ii-inverters zelanga okanye ii-motors zemizi-mvelisoukungaphumeleli ngexesha lomcimbi wokunyuka okukhulu.

Inyathelo lesi-3 - Inqanaba lokukhusela iVoltha

I Uvavanyo lweNqanaba loKhuseleko lweVoltage (VPR)kubalulekile ukuqinisekisa ukuba Ii-SPD clamps zinyuka ngamandla ngokukhuselekileyoUkusebenzisa i ijenereyitha yokukhupha amandla isetiwe kwi-3 kA, 8/20 µs, Ndilinganisa i-voltage yokubamba nge-oscilloscope.

Ye I-600 V DC SPD, i I-VPR mayihlale ingaphantsi kwe-900 VKwibhetshi yethu yokugqibela, i-VPR elinganisiweyo ibiyi 820 V, eqinisekisa ukuba zonke iiyunithi ziphumelele uhlolo.

Eli nyathelo liqinisekisa ukuba I-SPD iza kukhusela ii-inverters zelanga ezibuthathaka kunye nezixhobo zoshishinongexesha leziganeko zokwanda kwehlabathi lokwenyani, ukuthintela ixesha lokungasebenzi elibizayo.

Inyathelo lesi-4 - Ukuvuza komsinga e-Uc

Uvavanyo lwangoku lokuvuzakuqinisekisa ukuba I-SPD ihlala ikhuselekile phantsi kombane oqhubekayoNdinyusa i-voltage ye-DC ukuze 600Vkwaye ulinganise umsinga wokuvuza.

Ngokwemigangatho yethu, umsinga wokuvuza kufuneka uhlale ungaphantsi kwe-1 mANayiphi na iyunithi edlula lo mda—njengokufunda okukodwa 1.2 mA—uthambekele ekubeni ukugqithisa kakhulu kunye nokungaphumeleli kumaqondo obushushu aphezuluEzi SPDs zinjalo ilahliwe, ayizange ihliswe inqanaba.

Olu vavanyo luqinisekisa ukhuseleko oluthembekileyo lweephaneli zelanga kunye nezixhobo zoshishino, ukuthintela ukungaphumeleli okunokubangela ukuba ixesha lokungasebenzi libize kakhulu.

Inyathelo lesi-5 - Isalathisi sokuphela kobomi

Uvavanyo lweSibonakaliso sokuphela kobomikubalulekile ukuqinisekisa ukuba Ukhuseleko lwe-SPD luyasebenza.

Ndimfutshane varistor imizuzwana emi-5, uze uyikhulule. iflegi yesalathisi kufuneka ibe bomvuokanye I-LED kufuneka icime.

A isalathisi sokuxinga okanye ukungasebenzi kakuhleinokukhohlisa abasebenzisi ukuba bacinge ukuba i-SPD isasebenza. Naliphi na iyunithi enokuthi isabonisa uhlazaemva kokuba uvavanyo iyaliwa ngoko nangoko.

Rhoqo uvavanyo lokuphela kobomikuthintela ukusilela okufihliweyo, ukhusela iiphaneli zakho zelanga okanye iinkqubo zoshishino kumonakalo ongalindelekanga.

 Indlela yokufumanisa i-SPD ehlulekileyo

Kwane-SPD ebonakala ngathi "iyasebenza" inokungaphumeleli buthule. Xa ihlolwa, iintsalela zamalahleiya kuvela apho varistor wakha wahlala phantsi, ebonisa umonakalo wangaphakathi.

Njonga i iimpawu ezintathu eziphambili zokungaphumeleli:

1.Umbala wesalathisi– ukuba ibonisa isignali "esempilweni" yobuxoki, i-SPD iyachaphazeleka.

2.Iindawo ezishushu kakhulu– nakweyiphi na indawo engentla 70 °Csisilumkiso.

3.Umsinga wokuvuza ogqithisileyo- ufundo olungasentla 1 mAibonisa ukungaphumeleli.

Naluphi na uphawu kweziiqinisekisa ukuba i-SPD akusekho ukhuseleko lokutyandakwaye kufuneka itshintshiwe ngoko nangoko.

 Kutheni Iimpawu ze-SPD Zinokukhohlisa

Ii-SPD ezininzi zisebenzisa iiflegi zoomatshininjengezalathisi zokuphela kobomi. Ezi flegi ziyawa kuphela xa ukunyuka okungaphezulu kwe-250 A, intsingiselo iziganeko ezicothayo ze-over-voltageinokonakalisa i-varistor ngaphandle kokuqalisa isalathisi.

Ukuze ufumane uvavanyo oluchanekileyo, thembela kwi ikhamera yobushushuukufumanisa iindawo ezishushu. Kwiqela lakutshanje lee-SPD ezingama-480, Iiyunithi ezili-12kubonisiwe Iindawo ezishushu ezingama-80°C, kodwa kuphela Abathathu babeneeflegi ezikhubekileyo.

Isifundo:Musa ukuthemba isalathisi sodwa—imifanekiso yobushushu kunye nokuhlolwa kokuvuzazibalulekile kukhuseleko.

I-Megger vs. i-Oscilloscope: Ukuqonda iziphumo zovavanyo lwe-SPD

Xa kuvavanywa ii-SPD, i-meggeramanyathelo ukumelana nobushushu, ngelixa i-oscilloscopeimiboniso ukusebenza kwe-voltage yokubamba.

Kwibhetshi enye, iyunithi iyaboniswa 15 MΩkwi-megger kodwa ibambekile 1.4 kV, idlula imiqathango ngo 400VUkufundwa kwe-megger kwakubonakala kulungile, kodwa i-oscilloscope yatyhila umngcipheko wokwenene.

Into ephambili ekufuneka uyithathe:Soloko udibanisa uvavanyo lokuxhathisa olusebenzisa ukujonga i-voltage yokubambaukuqinisekisa ukuthembeka kwe-SPD. Ukuba iyunithi iyasilela, yisombulule le ngxaki ngoko nangoko—ngamanye amaxesha ukulungiswa kweresiphi ye-varistorIyafuneka.

Iimpazamo zoVavanyo lwe-SPD eziqhelekileyo kunye nendlela yokuziphepha

Ukuvavanya ii-SPD ngokuchanekileyo kunokonakalisa isixhobo kunye nezixhobo zakho. Nazi ezinye zezona zinto zilandelayo: iimpazamo ezine eziqhelekileyo:

1.Ukungaqhawuli i-SPD– Soloko uhlukanisa iyunithi kwisekethe ukuze uphephe ukufundwa okungekho ngqiqweni okanye iintlantsi.

2.Ukusebenzisa i-voltage yovavanyo engalunganga– Jonga iinkcukacha ze-AC okanye ze-DC SPDs ngaphambi kokuba uvavanye.

3.Ukuvavanya izinto ezibandayo- Vumela i-SPD ukuba ifikelele 25 °Cukuqinisekisa ukuba i-insulation ilungile kwaye ifumaneka ngokuchanekileyo xa kuvuza.

4.Ukungawunaki ubude bentambo kunye neziphumo zelothe– Yongeza 1 m ikhokelakwiibalo zakho ukuze kuqwalaselwe ukumelana okongezelelweyo okanye ukujiya.

Ngokulandela la manyathelo okhuseleko, ukhusela i-SPD yakho, izixhobo zakho zokuvavanya, kwaye uthintela ukungaphumeleli kwentsimi okubizayo.

 Impazamo 1 - Ukuvavanya ii-SPD ngelixa ziqhagamshelwe kwiSekethe

Enye yezona mpazamo zixhaphakileyo yile ukuvavanya i-SPD ngelixa ihlala kwisekethe ephilayoKwiiphaneli apho umhlaba wabelana khona ngemithwalo, umntu odibanisa imithwalo unokufunda 2 MΩukusuka kwii-motor windings endaweni ye-SPD ngokwayo, nto leyo ekhokelela ekubeni iziphumo zokungaphumeleli/zokungaphumeleli ezingeyonyani.

Uqheliso oluchanekileyo:Soloko vula i-breaker uze uyihlukanise ngokupheleleyo i-SPDngaphambi kokuvavanya. Sebenzisa ithegi okanye ileyibhile yesilumkisoukuthintela ukudibana kwakhona ngengozi ngexesha lovavanyo.

 Impazamo yesi-2 - Ukutsiba ukuntywila kobushushu ukuze kuvavanywe i-SPD

Ubushushu buchaphazela kakhulu ukufundwa kokuvuza kwe-SPD.I-varistor ivavanyiwe e 5 °Cingabonisa Ukuvuza okuphezulu ngama-20%kunokuba kubushushu begumbi, okunokubangela ukusilela kobuxokiokanye iziphene eziphosiweyo.

Eyona ndlela ilungileyo yokwenza izinto:Sebenzisa igumbi elilawulwa bubushushuisetiwe kwi 25 °C ±2 °Ckwaye faka ii-SPD emanzini iiyure ezimbiningaphambi kovavanyo. Eli nyathelo lilula yehlise izinga lethu lokubuyisa i-SPD ngama-35%kwaye iqinisekisa iziphumo ezichanekileyo ngakumbi.

 Impazamo 3 - Ukungayinaki i-Lead Inductance kwiimvavanyo ze-SPD

Iileyiti zovavanyo olude zizisa i-inductance, ngokwesiqhelo 1 µH ngemitha nganye, enokuthi yongeza ukuya kuthi ga kwi-20 V xa i-8/20 µs inyuka ngamandla.

Eyona ndlela ilungileyo yokwenza izinto:Soloko linganisa inkqubo yakho yokulinganisa ngee-lead zovavanyo zokwenyaniuza kusebenzisa, bhala phantsi nayiphi na i-voltage offsetkunye yikhuphe kufundo lokugqibelaOku kuqinisekisa imilinganiselo echanekileyo yokukhusela i-voltage (VPR)kuyo yonke i-SPD.

Ixesha lokutshintsha i-SPD yakho emva kovavanyo

Ukwazi nini ukutshintsha isixhobo sokukhusela ukuvuza (i-SPD)Kubalulekile ukuthintela ixesha lokuphumla elibizayo.

Shintsha i-SPD ngoko nangokoukuba kukho nayiphi na iparameter idlula ngaphezulu kwe-10% ukusuka kumlinganiselo wayo wokuqalaIimpawu eziphambili ziquka:

1.Umsinga wokuvuza >1 mA

2.Inqanaba lokukhusela i-voltage (VPR) linyuka ngaphezulu kwe-10%

3.Ubushushu betyala le-SPD budlula i-70 °C

Soloko bhala umhla wokutshintshwakwaye buyisela i-SPD endala kumzi-mvelisouhlalutyo lokusilela. Oku kuqinisekisa ulawulo lwemekokwaye inceda ekuthinteleni iingxaki eziphindaphindayo xa kufakelwa amandla elanga okanye kwimizi-mveliso.

Ngaba kufuneka ndibeke umhla wekhalenda?

Ngokuqinisekileyo. Nokuba Ii-SPD ezibonakala zigqibelele zinokonakala ngokuhamba kwexeshaUkuze uhlale uthembekile ukhuseleko lokugaleleka, sicebisa:

1.Iifama zelanga:cwangcisa utshintsho rhoqo iminyaka emihlanu

2.Iiphaneli zeemoto zoshishino:cwangcisa utshintsho rhoqo iminyaka emithathu

I-SPD nganye ifumana Isitika esinekhowudi ye-QRebonisa umhla olandelayo wokugqibela. Abathengi banakho skena ukuze ulandelele iishedyuli zokutshintshwa, ukuqinisekisa utshintsho ngexesha elifanelekileyo kunye nokuphepha ukusilela okungalindelekanga. Cinga ngako njengento Isikhumbuzo "sokutshintsha ioyile" sezixhobo zakho zokukhusela ukugxagxama.

 Ngaba Ndingayilungisa iVaristor okanye iSPD endaweni yokuyitshintsha?

Akukhuthazwa ukuhlaziya i-varistor okanye i-SPD.I-varistor yenziwe nge-sintered ceramic; xa iinkozo zayo zinyibilika ngenxa yokunyuka, iba yi-resistor engapheliyo kwaye ayisakwazi ukukhusela inkqubo yakho. Uzama ukusebenzisa kwakhona ii-housings okanye ii-SPD ezindala rhoqo. ixabisa ngaphezu kweyunithi entsha.

Ukuze kubekho uzinzo, sinikezela Ikhredithi ye-5% yee-cores ze-SPD ezibuyisiweyo, kwaye thina phinda usebenzise i-zinc oxidengoxanduva, ukuqinisekisa iingenelo zokusingqongileyo kunye noqoqosho.

Isiphelo

Uvavanyo oluqhelekileyo kunye nokubekwa esweni kwe-SPDs zakhoKubalulekile ukuthintela ukonakala kwezixhobo ezibizayo. ukumelana nokufakwa kobushushu, inqanaba lokukhusela i-voltage, kunye nomsinga wokuvuzakwiyunithi nganye, kwaye tshintsha ii-SPD ezibonisa naziphi na iimpawu zokungaphumelelingaphambi kokuba zichaphazele iinkqubo zakho zelanga okanye zemizi-mveliso.

Ngokuba izixhobo zokukhusela ukuxhuzula ezivavanyiweyo kwangaphambili (ii-SPD) zithunyelwa ngqo zisuka kumzi-mveliso wethu waseWenzhou ukuya eJamani okanye e-US, nxibelelana nathi apha Iveni@leikexing.comSiyaqinisekisa ii-SPD ezisemgangathweni ophezulu, ezivavanywe ngumzi-mvelisoilungele ukufakwa kwiveki ezayo.