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The Killer of Photovoltaic Power Plants-DC Arc

  • litaba2022-01-05
  • litaba

Ka lebaka la litlhoko tsa ho se nke lehlakore ha carbon le ho phahama ha carbon, indasteri e ncha ea matla e se e tumme ka ho khetheha.E mong le e mong o ntse a lumellana ka ho eketsehileng le liteishene tsa matla a photovoltaic, 'me batho ba bangata ba ntse ba kena indastering ea photovoltaic.Leha ho le joalo, boemo ba batho ba sebetsang indastering ena ha bo lekane, 'me batho ba bangata ha ba ele hloko li-arcs tsa DC, tse lebisang ho palo e kholo ea likotsi.

 

Ts'ebetso ea DC arc

 

Arc ke mofuta oa phenomenon ea ho tsoa ha khase.Tlhase ea hang-hang e hlahisoang ke ho feta ha metsi sebakeng se itseng sa insulate, joalo ka moea, e bitsoa arc.Ka bobeli li-arcs tsa hona joale tse tobileng le tse feto-fetohang.Ka linako tse ling ha re hokela soketeng, re tla bona litlhase, e leng AC arc.Tsamaisong ea DC, arc e joalo e bakoang ke mohala oa sele ea photovoltaic e bitsoa DC arc.Ka lehlakoreng le leng, litsamaiso tsa DC li na le monyetla oa ho hlahisa li-arcs ho feta litsamaiso tsa AC, 'me hang ha arc e etsahala, ho thata ho tima arc.

Setsing sa motlakase sa photovoltaic, liphanele tsa photovoltaic li ntša motlakase oa DC, o fetoloang motlakase oa AC feela ka mor'a hore o fete ka har'a inverter ea photovoltaic.Maqhubu a liphanele tsa PV a phahame haholo, ho tloha ho makholo a seng makae a volts ho ea ho 1500 V. Ha e le hantle, mashome a seng makae a volts a lekane ho hlahisa DC arc, e ka hlahisang mocheso o phahameng ho fihlela ho 4200 likhato.Ha liphanele tse 'nè tsa photovoltaic li kopantsoe hammoho, motlakase o akaretsang o tla fihla hoo e ka bang 120 volts.Likhokahano tse ntle le tse mpe tsa lithapo hang-hang li hlahisa DC arc, 'me ka metsotsoana e seng mekae feela, mocheso o phahameng o lumella thapo ea DC ea koporo hore e qhibilihe hang-hang ebe e fetoha marotholi a koporo fatše.Sebaka se qhibilihang sa koporo ke likhato tse 1083, koporo e qhibilihisitsoeng haeba e rotha marulelong a mangata a lehong la liphello tsa villa ha li nahane, ho ka etsahala hore ebe li baka mollo, tse ling tsa mollo oa villa ea Europe ke ka lebaka la marulelo a setsi sa matla a photovoltaic DC arc e bakiloeng. .Ka hona, tšireletso ea DC arc ea limela tsa matla a photovoltaic e bohlokoa haholo.

Joale, ke hobane'ng ha seteishene sa motlakase sa photovoltaic se hlahisa DC arc?Mabaka a ka sehloohong a ho etsahala ha DC arc ke: terminal kapa fuse connection ha e hatellehe, bolt ea busbar ha e tiisetsoe, khokahanyo e na le oxidized, terata ea terata e fokotsehile, lisebelisoa tsa thepa ha li na phoso, joalo-joalo.

Likotsi tsa DC arc ho limela tsa matla a photovoltaic ke life?Ea pele ke tšenyo ea thepa.Mabokose a kopanyang, lik'habote tsa DC, likarolo tsa lisebelisoa tsa betri, lihokelo, mabokose a mateano, joalo-joalo li chesitsoe.Ea bobeli ke tahlehelo ea matla.Ho hloleha hofe kapa hofe ho tla baka matla a fokolang kapa a se nang matla.Ea boraro ke likotsi tsa polokeho.Mello e ka beha tšireletseho ea botho le thepa kotsing.

Monyetla oa hore arc ea motlakase e felisoe seteisheneng sa motlakase sa PV ke eng?Ka mohlala, nka seteishene sa motlakase sa 10MW, ho na le lihokelo tsa mabokose a junction a ka bang 80,000 le li-terminal blocks tse 4,000, hammoho le manonyeletso a kahare a liphanele tsa betri, khabinete ea DC le li-node tse kahare tsa inverter, kaofela li eketsa bonyane 84,000, kahoo. haeba monyetla oa ho hloleha ke 1 ho 10,000, ho na le 8 ea bona, kahoo monyetla oa ho etsahala o phahame haholo.

 

Photovoltaic Power Plants Slocable

 

Mokhoa oa ho qoba DC Arc ho Photovoltaic Power Station?

Ntlha ea pele, etsa bonnete ba hore u sebelisa lihlahisoa tse tloaelehileng le tse tšoanelehang, eseng lihlahisoa tsa maiketsetso le tse sa tloaelehang.Joalo ka Slocable'smc4 inline fuse sehokelolelebokose la mateano a arohaneng.
Taba ea bobeli, palo ea li-node e lokela ho fokotsoa ka hohle kamoo ho ka khonehang.
Ea boraro, basebetsi ba kaho ba tlameha ho sebelisa lisebelisoa tsa profeshenale ’me ba lokela ho koetlisoa le ho tšoaneleha ka koetliso ea mosebetsi oa matsoho le tlhahlobo pele ba kenngoa mosebetsing.
Ea bone, ka mor'a hore seteishene sa motlakase se kenngoe, tlhahlobo e nepahetseng e tlameha ho etsoa.
Ea bohlano, ho tlameha ho be le lisebelisoa tse lumellanang tsa ho lemoha, tse kang mochine ona oa DC arc sensor, ba tla lla le ho khaola potoloho hang ha ba lemoha DC arc ho felisa likotsi tse patiloeng.
Ea botšelela, ho tlameha ho be le sethala sa ho beha leihlo matla a ho beha leihlo lintlha tsohle tsa ts'ebetso ka nako ea nnete, e le hore hang ha likotsi tse patiloeng li fumanoe, basebetsi ba ka tsebisoa hang-hang ho sebetsana le tsona.

Ha e le hantle, DC arc ha e tšabehe.Hafeela u tseba mokhoa o nepahetseng 'me u sebelisa mehato ea saense, u ka khona ho thibela le ho sebetsana le eona ka katleho.Joalo ka matla a AC lapeng, polokeho e netefalitsoe ka botlalo.Ka mekhoa e nepahetseng ea tekheniki, bothata ba thibelo le taolo ea DC arc bo ka rarolloa ka litšenyehelo tse tlase.

Dongguan Slocable Photovoltaic Technology Co.,LTD.

Eketsa:Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China

TEL: 0769-22010201

E-mail:pv@slocable.com.cn

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