Amadivayisi Okuvikela e-OBO vs Leikexing Surge: Ukuqhathaniswa Kwezimboni Kwango-2025

Ngisakhumbula ngesikhathi umfutho wegazi ongu-40 kA ushisa kwelinye lamakhabethe ethu okulawula ngonyaka odlule. Lokho kwehluleka kwasishukumisela ukuba sihlole ngokugcwele, eceleni kwama-OBO kanye nama-Leikexing SPD ngaphansi kwezimo zomfutho wegazi olawulwayo.

Ngo-2025, i-OBO isalokhu iyisilinganiso sezindawo zezimboni ezisebenza kanzima, kuyilapho i-Leikexing inikeza cishe u-90% wokuvikelwa cishe ku-60% wezindleko. Ngiphethe indawo engamamitha-skwele angu-2,000 eWenzhou futhi ngihlinzeka ngemikhiqizo yomibili, ngakho-ke idatha engezansi ivela ekufakweni kwangempela—hhayi izincwajana zokumaketha.

Uma ungumthengi wobunjiniyela odinga ukusebenza okunembile, i-TCO, ama-surge curve, kanye nedatha yokuthembeka yesikhathi eside ngaphambi kokusayina i-PO, lesi sihloko sikunikeza lokho kanye.

 Kungani Ama-SPD e-OBO Izinga Eliphezulu ku Izinhlelo Zamandla Ezimboni

Eminyakeni embalwa edlule, umbani we-50 kA washaya omunye wamakhasimende ethu ezimoto aseYurophu. Amayunithi abo e-OBO abambe ukwanda okukhulu futhi umugqa wokukhiqiza awuzange ume. Leso sigameko sabonisa ukuthi kungani i-OBO iqhubeka nokuba yisinqumo esithandwayo ezisetshenziswa ezimbonini ezibucayi.

Ngifake amayunithi angaphezu kuka-3,000 e-OBO Type 1 kanye ne-Type 2 kusukela ngo-2018. Ahlala edlula ukuhlolwa kwe-25 kA 10/350 µs nge-

 Ngaphakathi kwe-OBO Design

Ikheji le-varistor elihlanganisiwe le-OBO liqinisekisa ukwabelana kwamanje futhi livimbela noma yiliphi idiski ukuthi lingadluli umthwalo ongu-70%. I-fuse yokushisa yomshini inqamuka kahle cishe ku-140 °C. Ngemva kokuhlola amayunithi angu-50 abuyiselwe, amathathu kuphela abonise noma yikuphi ukushintsha kombala okuncane—ubufakazi bokuqina kokushisa kwesikhathi eside.

 Indlela Esiqinisekisa Ngayo I-OBO Ku-Lab Yethu

Ibhetshi ngayinye engenayo ihlolwa nge-15 kA 8/20 µs impulse kusetshenziswa ijeneretha yethu ye-200 kA Marx. Siqapha ukukhukhuleka kwe-clamp voltage kanye nokuvuza. Amayunithi okugcina angu-200 abonise:

1. Ukwehluka kwe-Clamp: ≤ 0.3%

2. Ukuvuza:

Lelo zinga lokuvumelana lihambisana eduze nama-curve ashicilelwe yi-OBO.

 Izindleko Zangempela Zobunikazi (i-TCO Yeminyaka Eyi-10)

Nasi i-description elula yezindleko zeminyaka eyi-10 esiyisebenzisela amakhasimende:

I-OBO iyawina uma kusetshenziswa izaphulelo zomshuwalense. Ngaphandle kwezaphulelo, i-Leikexing iba yinhle kakhulu.

 Izici Eziyinhloko ze-OBO Uhlobo 1 kanye nohlobo 2 lwe-SPDs

I-12 kV line-to-ground spike yashaya i-main breaker yethu ngoJulayi odlule. I-OBO Type 1 SPD yayisithatha ngokushesha, futhi i-PLC yethu ayizange ivumele ukuvumelanisa.

Izibambo ze-OBO Type 1 25 kA 10/350 µs, kuyilapho Uhlobo 2 lusekela 100kA 8/20µs. Zombili zinobubanzi obufanayo bemojuli futhi zifaka phakathi ukusayinwa okude—okuwusizo ekuhlanganisweni nezinhlelo zokuqapha ze-PLC.

Ukubhidliza Ibhulokhi Lohlobo 1

Idiski ye-varistor engu-40 mm icishe ibe ngu-34% ubukhulu kunaleyo eseyunithi ye-T2. Isisindo esiningi sokushisa sisho:

1. Ukwenyuka kwezinga lokushisa eliphansi (umehluko ongu-≈ 8 °C)

2. Ukuguga kancane kancane ngaphansi kokunyuka okuphindaphindiwe

3. Ukuqina okungcono kumasayithi ane-switching transients

 Amanothi Abalulekile Ngamayunithi Ohlobo 2

I-OBO Type 2 SPD inesilinganiso esingu-100 kA, kodwa iqinisekiswe kuphela Ukuphakama okungu-20kulelo zinga. Izikhungo ezine-micro-surge frequency ephezulu (isb., izikhungo zedatha) kufanele zisebenzise:

1. Amayunithi amabili e-T2 ahambisanayo

2.Ukujikeleza konyaka ukuze kugqokwe ngokulinganayo

Ngokushesha IreferensiIthebula

 Ama-SPD e-Leikexing ezinhlelo zokusebenza ze-AC ne-PV

Ngasungula iLeikexing ngo-2015 ngoba izinkampani ezinkulu ze-SPD zenqaba ukuhlinzeka ngama-oda amancane e-PV. Namuhla sithumela amayunithi angaphezu kuka-80,000 minyaka yonke emhlabeni jikelele.

Izibambo zethu zomugqa we-AC 20 kA 10/350 µs, kanye nezimbozo zethu zomugqa we-PV 40 kA 8/20 µsngezinketho ze-voltage ku-275 V, 600 V, kanye no-1,000 V. Iqoqo ngalinye lokukhiqiza lidlula ekushiseni kwamahora angu-48 ku-85 °C futhi lihambisana ne-IEC 61643-11 kanye ne-ISO 9001.

 Ngaphakathi Kweresiphi Yethu Ye-Varistor

Sithola amadiski e-MOV angu-32 mm kubakhiqizi abaphezulu ababelana ngawo nemikhiqizo emikhulu ye-EU. Ukuphrinta kwethu kwesiliva okunama-paste amathathu kunciphisa i-voltage yokudubula cishe 12Vfuthi kuqinisa ukubekezelelana kwe-clamp. Kumadiski ayi-1,000 silinganise:

1. Ukusabalala kwe-Voltage: ±4V

2. Ingxenye yokwehluka okubonwe enkambisweni yethu ka-2020

 Imininingwane ye-PV String SPD

Ama-PV arrays antanta cishe ku-±800 V, futhi amaphutha omhlaba angaphakamisa noma yiliphi i-pole liye ku-1,100 V. I-capacitor yethu ye-Y2 ehlanganisiwe izinzisa zombili izingongolo futhi igcina i-voltage ye-varistor ingaphansi kuka-900 V. Ekuhlolweni kophahla lwendlu okungu-150 kW ngama-impulse angu-6 kV:

1. I-Inverter iqala kabusha: 0

2. Umkhiqizo wangaphambilini kusayithi elifanayo: Ukuqala kabusha okungu-23 ngesizini ngayinye yesiphepho

Ini Kuzaebhokisini

1. Isisekelo sesitimela se-DIN

2. Imojula yokuxhuma enenkomba yombala

Izibambo zekheji ezingu-3.6 mm² L/N

I-clamp yekheji le-PE engu-4.16 mm²

Ikhodi ye-QR engu-5.5 ixhunywe embikweni wokuhlolwa kweqembu

6. Ivawusha yokushintsha yeminyaka emihlanu

Ukuba khona kwevawusha ebhokisini kusiza ukunciphisa ukukhathazeka kwamakhasimende futhi kunciphisa ukungezwani kwezimangalo.

Ukuqhathanisa Kobuchwepheshe: I-OBO vs I-Leikexing SPD

Sifake womabili ama-SPD ku-DIN rail efanayo futhi sawafaka kuma-surge pulses afanayo. Ngaphansi kokuhlolwa kwe-20 kA 10/350 µs:

1.I-OBO clamp:0.9 kV

2.I-Leikexing clamp:1.05 kV

Zombili zidlule ezidingweni zokushisa kanye nokukhuthazela kokunyuka. I-OBO inikeza isignali ekude, kuyilapho i-Leikexing inikeza indlela yokusetha kabusha kanye nezindleko eziphansi.

 Imiphumela Yokuhlolwa Kokukhuphuka Kohlangothi Ngalunye

Ngezansi idatha yokuhlolwa eceleni evela ezivivinyweni zethu zokulawulwa kokunyuka:

Umehluko (≈150 V) ubaluleke kakhulu emithwalweni ezwela kakhulu njenge-electronics eqhutshwa yi-SMPS.

 Ukuhlolwa Kokubaleka Kokushisa

Kuhhavini oshisayo ongama-70°C ku-1.3 Uc amahora amane:

1. I-fuse yokushisa ye-OBO ivuliwe ku- ≈142 °C

2. I-Leikexing breaker ivuliwe ngo- ≈138 °C

I-Leikexing's breaker ingasethwa kabusha, okusiza ezindaweni zokuxhumana ezikude noma ezingaphandle.

 I-Footprint Nokuhambisana

1. Bobabili banjalo Amayunithi amamojula angu-4

2. Izimbobo zokufaka ziqondana ngaphakathi kuka-0.5 mm

3. Ukufakwa endaweni okuqondile kungenzeka

Sivivinye ukushintshana bukhoma kusayithi eNdiya; ukushintshana kwathatha imizuzu eyisikhombisa kuphela.

 Ukuqhathaniswa Kwentengo Nenani lika-2025

Ikhasimende laseMelika lakamuva licele i-TCO kuphrojekthi yamaphaneli angu-500. Izinombolo zithande kakhulu i-Leikexing.

Ngo-2025:

1.I-OBO:I-FOB engu-$98

2.Ukuthungatha:$58 FOB

Ngemva kwentela kanye nokuthutha impahla, izindleko zase-US ezifikayo ziba ngu-$123.7 uma kuqhathaniswa no-$73.7.

Ithebula Lezindleko Ezigcwele Zokufika

Nasi ukuqhathanisa okugcwele kwezindleko ezithengiwe ngokusekelwe esimweni esijwayelekile sokungenisa impahla e-US:

I-OBO iyawina uma izaphulelo zomshuwalense zisebenza. Uma kungenjalo, i-Leikexing ishibhile kusengaphambili.

Izaphulelo ze-Bulk Order

Ukuthungatha:

1.1–499 ama-pcs: uhlu

2.500–1,999 ama-pcs: –8%

Ama-pcs angu-3.2,000+: –12%

Ama-EPC amaningi aphesheya awela esigabeni esiphakathi noma esiphakeme.

 Izindleko Zokulethwa Okulibazisekile

1. Isikhathi sokuhola se-OBO: Amaviki angu-3–4

2. Isitokwe esilungele i-Leikexing: 20,000 ama-pcs

Kumaphrojekthi elanga noma okwakha ashesha ngokushesha, ukutholakala kungasindisa izinkulungwane zezindleko zenhlawulo.

 Ukukhetha Uhlobo Olufanele lwe-SPD

Ngaphambi kokukhetha, zibuze:

1. Kubiza malini ukuphumula?

2. Ingabe umshwalense wakho unikeza izaphulelo ezihlobene ne-SPD?

3. Ingabe udinga ukuqapha okukude?

4. Ingabe isivinini sokulethwa sibalulekile?

Kokubili i-OBO ne-Leikexing ziyahambisana nezindinganiso ze-SPD zomhlaba wonke. Ukukhetha kuvame ukuncika engcupheni yephrojekthi, izidingo zokuqapha, kanye nesabelomali.

Isihlahla Sesinqumo Somzuzu Owodwa

• Udinga isimo se-remote PLC? → I-OBO
• Isaphulelo somshuwalense ≥15%? → I-OBO
• Isabelomali esincane, isikhathi sokuphumula I-Leikexing
• Udinga ukulethwa ngaphansi kwezinsuku eziyi-10? → I-Leikexing
• Izinga lokushisa lendawo > 60 °C? → I-OBO

Iseluleko Sokugcina

Yakha i-spec yakho, bese ubala i-TCO ephelele—kufaka phakathi amanani entela, impahla, izaphulelo, kanye namanani okushintshana. Uma umehluko ungaphansi kuka-$20 nge-node ngayinye, khetha i-SPD ekunika ukuthula kwengqondo. Uma umehluko udlula u-$30, icala lenani lithambekele ku-Leikexing.

Isiphetho

Kokubili i-OBO ne-Leikexing zinikeza ukuvikelwa okuthembekile kokukhuphuka kwegesi kwezinhlelo ze-AC neze-PV zezimboni. I-OBO ihamba phambili ekuqapheni nasekuzinzeni kwesikhathi eside, kuyilapho i-Leikexing inikeza inani elihle kakhulu, ukulethwa okusheshayo, kanye nokusebenza okuqinile kokukhuphuka kwegesi.

Uma udinga isiqondiso—kungakhathaliseki ukuthi ama-surge test curves, ama-spreadsheet e-TCO, noma amayunithi esampula—ithimba lethu lobunjiniyela lingakusiza ukuthi uvumelanise i-SPD efanele nezimo zesayithi lakho.

Xhumana nathi noma nini. Vikela uhlelo lwakho kanye, futhi uhlale ungakhathazeki iminyaka eyishumi ezayo.

Imibuzo Evame Ukubuzwa

1. Uyini umehluko omkhulu phakathi kwe-OBO SPD ne-Leikexing SPD?

Ama-OBO SPD agxila ekusebenzeni kwekhwalithi ephezulu kanye nokuqina kwesikhathi eside, kuyilapho ama-Leikexing SPD enikeza isivikelo esiqinile ngomklamo ongabizi kakhulu.

2. Yimuphi umkhiqizo osebenza kangcono ekuvikeleni ukukhuphuka kwezimboni?

Zombili zisebenza kahle, kodwa i-OBO SPD ivame ukuthandwa ezindaweni zezimboni ezisebenza kanzima, kuyilapho i-Leikexing SPD ifanelekela izidingo ezijwayelekile zezentengiselwano kanye nezezimboni ezilula.

3. Ingabe zombili izinhlobo ziyatholakala kumamodeli e-SPD ohlobo 1 nohlobo 2?

Yebo, i-OBO ne-Leikexing zombili zinikeza Uhlobo 1 lwe-SPD futhi Uhlobo 2 lwe-SPD izinketho zamaphuzu okufaka ahlukene kanye namazinga okwanda.

4. Ingabe i-OBO ne-Leikexing zinikeza i-AC SPD kanye ne-PV SPD?

Yebo. Zombili izinhlobo zinikeza KANYE nama-SPD kwezinhlelo zegridi kanye Ama-PV SPD ukusetshenziswa kwelanga, okwenza kube lula ezindaweni ezahlukene zikagesi.

5. Yikuphi okungcono kakhulu uma kuqhathaniswa ne-SPD ngo-2025?

Kuncike ezintweni eziza kuqala kuwe: i-OBO yokuthembeka nokusebenza okuphezulu, i-Leikexing yokuvikela okungabizi kakhulu kanye nokuhlanganiswa kwesistimu okuguquguqukayo.