Maitiro Ekusarudza SPD Yakakodzera yePV Combiner Boxes
Ndichiri kurangarira zuva iro mheni imwe chete yakarova hafu yemauto edu.
Mumasekonzi gumi, takarasikirwa nema inverter makumi mana, tambo yeDC makiromita imwe chete, uye mwedzi wese wepurofiti.
Kare ikako, ndaisarudza zvishandiso zvekudzivirira kukwira kwemvura nezita rekambani.
Zvino, mushure memakore gumi nemashanu ndiri mubasa iri, ndinovimba nenhamba nhatu chete — voltage yepamusoro yeDC, surge current, uye thermal fuse curve.
Kana zvitatu izvozvo zvikaenderana nezvinodiwa nearray yako — ngatitii 1000 V DC, Imax 40 kA, uye thermal disconnect yakavakirwa mukati — unoderedza kutadza kushanda kwesimba ne90% uye PPA yako inochengetedza mari.
Ramba uchiverenga uye ndichakuratidza nhamba chaiyo yandinoshandisa, bvunzo dzandinoda kubva kumafekitori, uye chikanganiso chimwe chete chinoshandisa bhajeti yakawanda kupfuura mheni pachayo.
Basa reSPD mukuchengetedzwa kwePV Combiner Box
Ndakambovhura bhokisi rekubatanidza rakanga rakasungirirwa rakavharwa ne 6 kV rebound.
Pendi yakanga yatsvuka, bhazi remhangura rakasanganiswa kuita chinhu chimwe chete — uye nzvimbo yacho yakanga isina kuvhurwa kwemavhiki matanhatu.
Inishuwarenzi yakazviti "chiito chaMwari." Ndakazviti iSPD yakarasika.
Iye zvino ndinoisa ma surge protectors mubhokisi rega rega re combiner.
Vanosunga simba remagetsi kusvika pa1.5 kV, vanochengetedza chiyero chemoto paUL 94 V-0, uye vanorega inverter ichiramba ichitengesa magetsi uku dutu richiri kupisa.
Ndiyo inishuwarenzi yakachipa yandati ndambotenga.
Zvinonyatsoita sei mukati mebhokisi
Waya yeDC string inonyanya kunge iri antenna ine 200-meter.
Kana mheni ikarova mukati memakiromita maviri, tambo inogona kukwira ne 4 kV spike.
Pasina SPD, iyo inotenderera ichitenderedza chibatiso chefuse, inonyungudutsa fuse ye15 A, uye inosvetukira kumadziro ekabati.
Pakupisa kwe6 000°C, pendi inoshanduka kuita kabhoni uye bhokisi rinova sosi yemoto.
Ndichiri kuchengeta mapikicha kubva kunzvimbo nhatu dzakapiswa uko mishumo yemoto yaiti "electrical arc."
Mushure mekunge tawedzera maSPD pakugadzira kumwe chete, mushumo unotevera wakangoti: "hapana kukuvara."
Maitiro andinoita saizi yeSPD kubhokisi
Mushure memakore ekuyedzwa nekukundikana, ndakarerutsa maitiro angu ekusarudza kuita zvinhu zvitatu:
Vheji yeDC yesystem- inofanira kupfuura Voc pa −20 °C.
Kubuda kwemagetsi kwepanguva (In)– 20 kA yemamiriro ekunze akapfava, 40 kA yenzvimbo dziri pamhenderekedzo yegungwa kana dzine mheni yakawanda.
Dziviriro yevoltage (Kumusoro)– gara pasi pehuwandu hweinjini yemagetsi (kazhinji 2 kV).
Heino maitiro ayo nhamba idzi dzichinyorwa:
| Voltage yebhokisi | SPD yangu Uc | Zvinokurudzirwa Mukati | Kukwidza Kwazvo |
| 600 V DC | 680 V DC | 20 kA 8/20 µs | 1.8 kV |
| 1000 V DC | 1200V DC | 40 kA 8/20 µs | 2.5 kV |
| 1500 V DC | 1800 V DC | 40 kA 8/20 µs | 3.0 kV |
Handimbotengi SPD ndisina Kupera kweDC arcyakanyorwa papepa rayo redata.
Izvi zvinondiudza kuti inogona kutyora follow-on current isina kumirira relay ye inverter.
Ini ndinosimbirirawo pane mushumo webvunzo wepakati-pini— zvinoratidza kuti module iyi inokundikana zvakachengeteka kana paine kushushikana.
Kwandinoiisa
Ndinoisa SPD paDIN rail imwe chete nemafuse, ndichichengeta waya iri pasi pe30 cm uye ndichitenderedza peya yacho kuti inductance isashande.
Sentimita imwe neimwe yekuwedzera inowedzera anenge 10 V pa 1 kA/µs, saka 50 cm yeslack inogona kushandura 1.5 kV clamp kuita 2 kV njodzi.
Ndinowedzera kamupukunyuri kadiki ke3 A parutivi payo.
Imwe nzvimbo muTexas ikozvino yachinjana neSPD yakundwa mumaminitsi asingasviki mana.
Nzvimbo iri pedyo ichiri kuda kuvharwa zvachose - uye inorasikirwa nemaawa matatu emari inowanikwa nechiedza chezuva.
Tsananguro yeDC Voltage Ratings uye Dziviriro
Ndakambovimba ne "1000 V" SPD label ndisingatarise tembiricha.
Chikanganiso ichocho chakakangwa ma inverter maviri uye chakandidhura kupfuura mota yangu yekutanga.
Iye zvino ndinoyera SPD yega yega pamusoro peVoc yechando ne20%, uye ndinoita shuwa kuti voltage yayo yeclamp iri pasi pe30% pasi peiyo inverter's impulse rating.
Mutemo iwoyo une matanho maviri wakaita kuti zvikumbiro zvangu zvewaranti zvirambe zviri pazero kwemakore mashanu akaenzana.
Nei Voc pa −20 °C ichikosha
Voltage yesilicon inokwira ne0.3% padhigirii rega rega pasi pe25°C.
Tambo inoverenga 950 V pa25 °C inorova 1 090 V pa -20 °C.
Kana SPD's Uc yako iri 1 000 V chete, inotanga kubuda mvura, yopisa, yotadza kushanda.
Ndakadzidza chidzidzo ichocho nenzira yakaoma muOntario, uko mamodule gumi nemaviri akasviba husiku hwese.
| Mwero wekupisa | 25 °C Izwi | -20 °C Izwi | Kudiwa kweUc shoma |
| −0.30 %/°C | 950 V | 1,090 V | 1,200V |
| −0.28 %/°C | V chiuru | 1,140 V | 1,300 V |
| −0.32 %/°C | 1,100V | 1,280V | 1,500 V |
Maitiro ekuverenga Up, Uc, uye In usina PhD
Uc- voltage yepamusoro yeDC iyo SPD inogona kutsungirira nguva dzose.
Kumusoro- voltage yakasara panguva yekukwira kwesimba.
Mukati- simba remvura rinogona kurarama kagumi nemashanu pasina kukuvara.
Ndinonyora nhamba idzi nhatu pachinamira cheyero mukati mebhokisi rega rega rekubatanidza.
Chero nyanzvi yemagetsi inogona kusimbisa mutambo wacho mumasekonzi mashoma.
Musungo wakavanzika: kureba kwetambo mushure meSPD
Chibatiso ichi chinoitika paSPD terminals, asi inverter yako inongoona izvozvo chete pamwe nekudonha kwetambo.
Ndakamboyera 1.8 kV paSPD, asi 2.4 kV painverter iri kure nemamita makumi matatu nemashanu.
Iye zvino ndinowedzera SPD yechipiri pa inverter pese panosvika DC run inodarika 20 m.
Inodhura mari inosvika 42 USD uye inochengetedza inverter ye12 000 USD.
Rudzi 1 vs Rudzi 2 SPD - Chii Chinosiyana?
Mumwe mutengesi akambonditumira zvikamu zve "Type 2" zvebhokisi rakaiswa furemu.
Kuramwa basa kwekutanga kwakaitika, uye mushumo weinishuwarenzi wakati "kirasi isiriyo" - chikumbiro chakarambwa.
Nhasi, ndinoshandisa maSPD erudzi rwe1 kumabhokisi akabatanidzwa pafuremu yemheni, uye mayuniti erudzi rwechipiri kumabhokisi akaparadzaniswa ari kure nemamita anopfuura makumi maviri.
Musiyano mumwe chete iwoyo unosarudza kana kukwira kwesimba kuchipera kunze kana kuti kuchimhanya zvakananga mukamuri rako re inverter.
Mafungu ekuyedza anonyanya kukosha
Rudzi 1- yakaedzwa ne 10/350 µs wave (25 C charge), inotevedzera kurova kwakananga.
Rudzi rwechipiri– yakaedzwa ne 8/20 µs wave, inotevedzera kukwira kwakakonzerwa.
Ndinonamira ma waveform ese ari maviri muodha yega yega yekutenga.
Pane imwe nguva mumwe mutengesi akaedza kunditengesera zvikamu zve "Type 1+2" ne 8/20 µs chete yakanyorwa bvunzo.
Ndakaramba mugove usati wasvika kumitero.
Kusiyana kwemutengo mumadhora chaiwo
| Kirasi | Mutengo padanda | Imax 10/350 | Imax 8/20 |
| Rudzi 1 | 28 USD | 25 kA | — |
| Rudzi rwechipiri | 12 USD | — | 40 kA |
Panzvimbo ine simba re200 MW, ndiyo 64 000 USD delta —asi tambo imwe chete ye inverter yakakundikana inodhura 120 000 USD.
Zvandinobvumirana nazvo: Type 1 pa combiner yekutanga yemutsara wega wega, Type 2 pane yasara.
Inochengetedza 42% yebhajeti uye ichiri kugutsa kambani yega yega yeinishuwarenzi.
Maitiro ekuona hybrid yenhema
Mamwe mavara anoshevedzera kuti “T1+T2,” asi mukati mayo mune varistor ye40 kA 8/20 µs chete.
Ndinogara ndichitarisa Impuye simba chairo (MJ)kukosha kuri papepa redata.
Kana vasipo, ndinobva ndaenda.
Zvadaro ndinoongorora nhamba yefaira reUL 1449 online apo mutengesi achiri kutaura.
Mazano Ekuisa Zvishandiso Zvekudzivirira Kuputika Kwezuva
Ndakambodzosera mutsetse nekuisa zvinhu paSPD itsva ndikaona varistor ichisvetuka pamusoro pekabhineti.
Ruzha rwacho rwakanga rwakanyanya zvekuti murindi akadonhedza kofi yake.
Iye zvino ndinoisa waya yesimbi yeSPD yega yega ine 10 AWG yakasungirirwa, ndochengeta nzvimbo yedenderedzwa iri pasi pe5 cm², uye ndowedzera 32 A DIN breaker kuitira kuti timu ikwanise kuitsiva iri panzvimbo yacho.
Maitiro aya anoderedza nguva yedu yekugadzirira kusvika pamaminitsi masere chete.
Kuisa nhanho nhanho ndinodzidzisa mudzidzi wese
1.Uraya tambo neDC switch womirira Voc
2Isa SPD padivi pemafuse, isa lug pamusoro.
3Bvisa 6 mm yekudzivirira kupisa chete — chengetedza mukana wemhepo.
4.Torque kusvika 1.2 Nm — screws dzakasununguka dzinowedzera 50 °C yekupisa.
5Wedzera 32 A breaker yakanyorwa SPD ISOLATORmuchiRungu nechiSpanish.
Ndinotora mifananidzo yejoin yega yega ndoiisa muforodha redu regore.
Kana veinishuwarenzi vakakumbira humbowo, ndinotumira link yacho masikati asati asvika.
Nzira yekuisa pasi iyo hapana anonyora pasi
Shandisa waya yegirini-yero ine 6 mm² kubva pasi peSPD kuenda kubhokisi repasi.
Usambofa wakaisa chain yedaisy kuburikidza nezvimwe zvishandiso — izvo zvinowedzera 0.5 Ω uye zvinosimudza clamp ne500 V pa1 kA.
Ndakasimbisa izvi ne50 MHz scope; nhamba dzacho hadzinyepi.
Zvishandiso zvandinochengeta murori
| Chishandiso | Shandisa |
| Mutyairi wetorque | 1.2 Nm chaiyo, inodzivirira kukwenya kwakanyanya |
| Waya yeAWG gumi | Yakachekwa kare 25 cm, tsvuku / dema |
| Matayi eZip | Bata denderedzwa rakati sandara, cheka miswe woikwesha |
| Kamera yeIR | Anowana varistors dzinopisa dzisati dzabuda |
Mushure mebasa rega rega, ndinoskena kodhi yeQR yeSPD ndonyora zuva racho.
App iyi inondiyeuchidza kuti ndiongororezve mugore rechipiri.
Kubva pandakatanga tsika iyoyo, tave hapana kukundikana kunoshamisa.
Mhedziso
Sarudza SPD chaiyo kamwe chete, uye ucharara munguva dzese dzemadutu.
Nditumirei voltage yenyu ye array nenzvimbo ye site —
Ndichaenzanisa dziviriro chaiyo yaunoda usati wagadzira thundercloud inotevera.