A bịa n'ichekwa sistemu anyanwụ, ndị na-ahụ maka ịwa ahụ DC na-abata n'uche ozugbo. Agbanyeghị, enwere ụdị nchekwa ịwa ahụ ọzọ dị na ahịa: AC SPDs. Ha yiri nnọọ. Isiokwu a ga-akọwa ọdịiche dị n'etiti DC na AC SPD.
Kedu ihe bụ DC SPD? Ma gịnị mere o ji dị mkpa maka usoro mbara igwe?
Isi ihe ndị dị n'ime a DC SPD nwere oke oke nguzogide na voltaji nkịtị. Mgbe enwere mwe elu voltaji dị elu na-agafe agafe, DC SPD na-aza ozugbo n'ime nanoseconds, na-atụgharị oke ịgbawa n'ala kama ịbanye na akụrụngwa anyị. Mwapụ ndị a nwere ike ịmalite site na ọkụ ọkụ na-ada ma ọ bụ kpata ọkụ ọkụ: ọkụ ọkụ n'akụkụ akụrụngwa na-emepụta mmetụta induction electromagnetic siri ike na ala ma ọ bụ eriri ọkụ. Ịgbanwe ngwaọrụ ndị nwere ike dị elu n'otu grid ọkụ na mwepu electrostatic nwekwara ike ịkpata ọgba aghara.
Ọdịiche dị n'etiti DC SPDs na AC SPDs?
| item | DC SPD | AC SPD |
| Ụdị nchebe dị ugbu a | Direct ugbu a - ugbu a na-aga n'otu ụzọ | Na-atụgharị ugbu a - Ugbu a nke na-agbanwe ntụzịaka kwa oge |
| Main ngwa | Sistemụ fotovoltaic nke anyanwụ (n'etiti panels na inverters), sistemu nchekwa ike batrị, yana ọdụ ụgbọ ala eletrik. | Igbe nkesa isi ụlọ/ụlọ, grid ike ụlọ ọrụ, akụrụngwa azụmahịa (nchebe nke ikuku oyi, friji, wdg) |
| Ihe isi ike nka na imewe | Ihe ndị ọzọ na-agbagwoju anya: DC ugbu a na-aga n'ihu ma na-esikwu ike ibipụ. | Dịtụ mfe: AC ugbu a na-agafe efu ọtụtụ ugboro kwa nkeji. |
| Ọkwa voltaji | Maka voltaji sistemu dị elu (dịka 600V, 1000V, 1500V na-ahụkarị na sistemụ anyanwụ) | Maka ọkọlọtọ grid voltaji (dịka ọmụmaatụ 230V otu oge maka iji ụlọ, 400V ụzọ atọ maka iji ụlọ ọrụ eme ihe) |
| Ebe nwụnye | Awụnyere na ntinye DC nke onye ntụgharị (mgbe anyanwụ panel na tupu inverter). | Awụnyere n'ime igbe nkesa isi (mgbe ebe grid gachara) |
Iji ihe nchekwa ọkụ AC iji kpuchido sekit DC nwere ike ọ gaghị akwụsịtụ arc nke ọma n'oge ọkụ ọkụ wee bute ọdịda akụrụngwa na-esote.
Otu esi ahọrọ DC SPD ziri ezi maka gị na nzọụkwụ anọ?
Hazie voltaji sistemụ gị
Lelee voltaji sistemu kachasị maka eriri akụkụ anyanwụ gị (dịka ọmụmaatụ, DC 1000V ma ọ bụ DC 1500V). Oke voltaji arụ ọrụ na-aga n'ihu (Uc) nke DC SPD ahọpụtara ga-adị elu karịa uru a.
Họrọ Ụdị Nchekwa Kwesịrị Ekwesị
Eserese na-esonụ na-egosi otú ụdị SPD dị iche iche si arụkọ ọrụ ọnụ, dabere na ebe nrụnye ha:
Gbado anya na oke nchedo igodo
Ọkwa Nchekwa voltaji (Elu): voltaji fọdụrụ emecha etinyere na ngwaọrụ ahụ. Dị ala elu uru, ka keukwu ihe inverter nchebe.
Mwepu aha aha ugbu a (N'ime): Na-anọchi anya ịdịte aka nke SPD. Ọnụ ahịa dị elu n'ozuzu na-egosi nguzogide ka mma.
Lelee asambodo nchekwa
Jide n'aka na ịhọrọ ngwaahịa na-agbaso ụkpụrụ teknụzụ mba ụwa ma ọ bụ nke mba dịka IEC 61643-31 iji hụ na ịdịmma na nchekwa.
Kedu uru ịwụnye DC SPD na-eweta na sistemụ anyanwụ gị?
Nke kachasị mkpa, DC SPD na-echebe onye ntụgharị ntụgharị kachasị ọnụ. Ọ na-egbochi ọkụ inverter nke na-ezere ma ọ bụ na-ebelata ihe ngbanwe dị oke ọnụ. Nke abuo ma ọ bụrụ na mwepu na-akpata oge sistemụ, ike na-akwụsịtụ na-ebute ego ọkụ eletrik efu. Ịwụnye DC SPD nwere ike ibelata oge ọdịda ndị a na-atụghị anya ya ma hụ na ike na-aga n'ihu, kwụsie ike. N'ikpeazụ ọ bụrụ na enweghị nchebe, ọnya nwere ike imebi akụrụngwa wee bute ihe egwu nke ujo eletrik ma ọ bụ ọbụna ọkụ eletrik nke na-ebute mmebi ihe onwunwe ọzọ.
N'ikpeazụ
Ọ dị mkpa ka ndị nwe sistemu anyanwụ ghọta ọdịiche dị n'etiti ngwaọrụ nchekwa DC surge na ngwaọrụ nchekwa AC. Ọ bụrụ agwakọtara ma ọ bụ gbanwee, ngwaọrụ nchebe AC ịwa ahụ nwere ike imetụta akụrụngwa. Ịkwanye akụrụngwa gị na ngwaọrụ nchebe DC ziri ezi na-enye nchekwa a pụrụ ịdabere na ya ma na-eme ka ọrụ kwụsiri ike na nchekwa n'oge ifufe, mmiri ozuzo na égbè eluigwe.