MaMCCB ezuva: Dziviriro Yakakosha yeMasisitimu ePV Anoshanduka

Sezvo simba rinodzokororwa richiramba richichinja nekukurumidza, masisitimu ezuva ezuva ezuva (PV) ave musimboti wekugadzira magetsi akachena. Sezvo kuiswa kwezuva kuri kukura, kubva padenga redzimba kusvika kumapurazi makuru emagetsi, kudiwa kwemidziyo yekudzivirira magetsi yakavimbika kwave kuri kukuru. Pinda mu Dunhu reSolar Molded Case Circuit Breaker(McCB), imwe mhando yeMCCB yakajairika yakagadzirirwa kusangana nezvinodiwa zvakasiyana zvekushandiswa kwezuva. Aya mabreaker anopa dziviriro yakakosha kubva pakuwanda kwemagetsi, mashort circuits, nezvimwe zvikanganiso muma PV systems, zvichitsigira kuchengetedzeka, kushanda zvakanaka, uye kugara kwenguva refu.

 

Kusiyana nemaAC circuit breakers akajairwa, solar MCCBs akagadzirwa kune high-voltage DC systems kana AC side of inverters, uko voltages dzinogona kuva 1000V kana kupfuura. Anoita basa rakakosha mukudzivirira michina yakaita se solar panels, inverters, uye combiner boxes kubva kunjodzi dzemagetsi. Nekuda kwekuti musika wepasi rose we solar uchakura zvakanyanya, ruzivo nezve solar MCCBs runokosha kune mainjiniya, vanoisa, uye vagadziri vemasystem. Chinyorwa chino chinokurukura hunhu hwavo, mashandisirwo, uye kutarisisa mhando dzemhando yepamusoro dzakadai seARM6.Hu nhevedzano.

Kuziva Molded Case Circuit Breakers (MCCBs)

 

Molded Case Circuit Breakers zvigadzirwa zvemagetsi zvakavharirwa muchinhu chinodzivirira kupisa chakaumbwa, kazhinji thermoset plastic, iyo inopa simba nedziviriro. Zvinokanganisa kufamba kwemagetsi panguva yekukanganisa, zvichidzivirira maseketi emagetsi nemidziyo kubva mukukuvadzwa.

Zvikamu Zvikuru zveMCCB:

• Maitiro Ekushanda: Anodzora kugumburwa nemaoko kana otomatiki.
• Mabatiro: Mabatiro makuru neanotenderera anovhurika kana paine zvikanganiso.
• Chikamu Chekufamba: Mhando dzemagetsi dzinoona kuwanda kwemagetsi nemagetsi uye mapfupi.
• Arc Chute: Inodzima arc inoumbwa panguva yekukanganiswa.
• Goko: DMC bakelite zvinhu kana/PA66

MaMCCB akajairwa ane AC-rated inosvika 600V uye macurrents anobva pa10A kusvika 2500A. Zvisinei, kushandiswa kwezuva kunounza matambudziko akadai semagetsi eDC akakwira, macurrents ekudzokera shure, uye nharaunda, zvichida magadzirirwo akasarudzika.

 

Kubuda kweMCCB dzemhando yezuva

 

Masisitimu ezuva ePV anoshanda zvakanyanya pamagetsi eDC anobva kumapaneru, akachinjwa kuita AC nema inverters. Kuiswa kwezuva kwekutanga kwaishandisa ma standard breakers, asi aiwanzo kundikana paDC arcs, sezvo DC arcs dzakaoma kudzima kupfuura AC arcs nekuda kwekushaikwa kwe zero-crossing points. Solar type MCCBs dzinogadzirisa izvi nekubatanidza enhanced arc extinction, polarized designs yeDC, uye wide voltage ratings.

Kusiyana kubva kuStandard MCCBs:

• Kuyera Voltage: Kusvika ku1500V DC kana 1140V AC kune mamodheru akatsaurirwa simba rezuva.
• Kubata Kwemazuva Ano: Yakayerwa pama PV string currents, kazhinji 100A kusvika 800A.
• Polarization: Yakagadziriswa kuti ikwanise kubata kuyerera kweDC kwakanangana zvakananga.
• Kusapindirana nezvakatipoteredza: dzimba dzakasimba dzeUV uye nzvimbo dzakavharirwa neIP dzinoshandiswa panze.

 

Mabhenefiti uye Mabhenefiti eSolar MCCBs

 

MaMCCB ezuvainopa zvinhu zvakasiyana-siyana zvepamusoro zvinoita kuti zvibatsire zvikuru mukuisa maPV.

Zvinhu Zvikuru:

 

• Kukwanisa Kuputsa Kwakanyanya: Icu (kukwanisa kwekupedzisira kwecircuit short-circuit) kusvika ku50kA yekudzivirira zvikanganiso mumasisitimu ane simba rakawanda zvakachengeteka.
• Kudzivirira Kutakura Zvinhu Zvikuru Uye Kufamba Nenguva Pfupi: Zvishandiso zvekufamba nemagetsi zvinopa dziviriro mbiri; zvinopisa kana zvinhu zvakawanda zvichiwedzerwa nguva refu uye zvinopa simba remagetsi kana zvinhu zvipfupi zvinokurumidza.
• Zvigadziriso Zvinogadziriswa: Zvishandiso zvemagetsi zvekufamba mumhando yepamusoro zvinopa kugona kugadzirisa ma trip curves (semuenzaniso, B-curve yePV).
• Dhizaini Yakabatana: Yakaganhurirwa uye diki, saka inogona kusanganiswa nemabhokisi ekubatanidza.
• Kugara kwenguva refu: Kugara kwenguva refu kwemuchina nemagetsi, uye mashandiro emuchina anosvika zviuru gumi pane mamwe mamodheru.
• Zvinhu Zvekuchengetedza: Basa rekukiya/kuburitsa tagout, zviratidzo zvekufamba zvinoonekwa, uye kuona arc-fault pane shanduro dzepamusoro.

 

Mabhenefiti eSolar Systems

 

• Kuchengetedzwa Kwakawedzerwa: Kunodzivirira moto nemidziyo kuora nekukasira kupatsanurwa kwezvikanganiso.
• Kuvandudza Kushanda Nesimba: Kunoderedza nguva yekushanda nekushanda kwakavimbika mumamiriro ezvinhu asina kunaka akadai sekupisa kwakanyanya kana guruva.
• Kushanda Nemari: Kunoderedza zvinodiwa pakugadzirisa uye kunoita kuti hurongwa hurambe huchirarama kwenguva refu.
• Kukwanisa Kukura: Yakakodzera kuiswa mudzimba (dzakaderera-amp) kusvika kune dzinoshandiswa (dzakakwirira-amp).
• Kutevedzera Environmental Compliance: Ruzhinji rwacho rwunotevedzera RoHS uye rwakagadzirirwa kushandiswazve.

 

Semuenzaniso, mune maDC solar MCCBs, zvinhu zvakaita se magnetic-only tripping zvinopa dziviriro mu polarized circuits, nepo ma AC versions achibata inverter outputs.

 

Kunyatsoongorora ARM6HU Series

 

Nhevedzano yeARM6HUmuenzaniso wepamusoro weMCCB dzemhando yezuva, dzakagadzirirwa zvakanyanya zviteshi zvemagetsi zve photovoltaic. Dzakagadzirwa nemakambani akadai seAcereare, idzi breakers dzakagadzirirwa kushandiswa kweAC ine voltage yakawanda mumagetsi ezuva, senge AC side ye inverters nema combiner boxes.

Magadzirirwo Makuru eARM6HU:

• Voltage Yakayerwa: Kusvika ku1140V AC, ine shanduro dze800V ne1000V dziripo.
• Kuyera Kwazvino: Kubva pa100A kusvika 630A, yakakodzera masisitimu madiki kusvika pakati nepakati ePV.
• Matanda: Kazhinji ane matanda matatu eAC ane zvikamu zvitatu.
• Kukwanisa Kuputsa: Icu 50kA pa800V uye 20kA pa1140V.
• Kudzivirira Kupisa: 1140V, ine simba rekudzivirira re8kV.

 

Ma ARM6HU madiki ma ampere ane kururama kwakanyanya kwekudzivirira uye hupenyu hurefu hwebasa. Zvikamu zvemuchina uye zvekuburitsa zvakagadzirwa uye zvakagadziridzwa papuratifomu yeM3 structure, uye kuvimbika kwayo uye kururama kwayo kunovimbiswa. Puratifomu iyi inowedzera modularity uye kuchengetedza.. Zviyero zveKugara kwenguva refu zvinosanganisira:

• Hupenyu hweMichina: ka10,000, zvichibvumira mashandiro akawanda pasina kuora.
• Hupenyu hweMagetsi: ka2,000, zvichitsigira kushandiswa kwenguva refu munzvimbo dzine simba rezuva.

 

Zvinhu izvi zvinoita kuti ARM6HU ive yakakodzera kune ma string inverters ari mu power-plant-like installations, uko inopa dziviriro kubva pakuwanda kwemagetsi uye ma shorts mu AC circuits mushure mekupindurwa. Iyo yakasimba insulation base plate uye compact footprint (semuenzaniso, 139mm x 200mm x 115.5mm yezvigadzirwa zve 320A) zvinoita kuti zvive nyore kubatanidza. Mu solar PV, inopa kubatana ku grid pasina matambudziko nekudzivirira low-voltage side ye substations.

Mashandisirwo muSolar Photovoltaic Systems

 

MaMCCB ezuva anoshandiswa muzvikamu zvakasiyana-siyana zvePV system.

Zvikumbiro Zvikuru:

• Mabhokisi eCombiner: Unganidza tambo kubva mumapaneru, maDC MCCB anodzivirira kubva pakukanganisa kwemapaneru.
• MaInverters: MaAC MCCB akaita seARM6HU pamagetsi anobuda anodzivirira kudyisa kwemagetsi kumashure uye kuwandisa kwemagetsi.
• Kubatanidzwa Kwekuchengetwa Kwesimba: Mumasisitimu ehybrid akabatanidzwa nemabhatiri, anodzora kuyerera kwemagetsi munzira mbiri.
• Mapurazi Anoshandiswa Pakukura: Mhando dzema "high-amp" dzema "main distribution panels".
• Denga neOff-Grid: Mhando dzemagetsi akaderera ekuisa dzimba kana kunze kwegrid.

 

Semuenzaniso, kune mashandisirwo eAC neDC, mufekitori yePV inoshandiswa nemagetsi, maDC MCCB anobvisa tambo dzisina kunaka, uye maAC anodzora magetsi akabatana negrid ku800V. Kuchinjika kwakadaro kunokodzera kuiswa kwepasi rose, kubva kumagwenga akapiswa nezuva kusvika padenga remba mumaguta.

 

Mirayiridzo yekuisa nekugadzirisa

Kuisa zvakanaka ndicho chinhu chikuru chinoita kuti pave nekushanda zvakanaka. Maitiro Ekuisa ndeaya:

• Kuongorora Nzvimbo: Simbisa kuti inoenderana nemagetsi emagetsi uye magetsi emagetsi.
• Kuisa: Isa munzvimbo ine mhepo inofefetera, uchicherechedza daro repakati (semuenzaniso, 100mm kubva padivi kuenda padivi).
• Kubatanidza waya: Shandisa saizi dzakakodzera dzetambo; kubatanidza kwakabatana kweDC polarization.
• Kuedza: Simbisa marongero erwendo uchishandisa multimeters kana simulators.

 

Mazano Ekugadzirisa

 

• Kuongorora Nguva Dzose: Ongororai kota yega yega kana muine guruva, ngura, kana kuti ma connections asina kusimba.
• Kuedza Rwendo: Edza mashandiro ekupisa uye emagineti gore rega rega.
• Kutsiva: Tarisa mashandiro emota; tsiva kana paine miganhu yehupenyu (semuenzaniso, 10,000 mechanical yeARM6HU).
• Maitiro Ekuchengetedza: Bvisa simba usati wagadzirisa nguva dzese.

 

Kutevedzera mitemo nezvinodiwa nemugadziri zvakaita seIEC 609047-2 yePV breakers kunoderedza njodzi.

 

Zvakanakira Pane Zvimwe Zvimwe

Zvichienzaniswa nema miniature circuit breakers (MCBs) kana ma fuse, ma solar MCCBs anopa kugadziriswa kwepamusoro, dziviriro inogadziriswa, uye zvakare ma ratings makuru. Kunyange zvazvo ma fuse ari akachipa, anofanira kutsiviwa mushure mekugumburwa, zvichiita kuti nguva yekushanda iwedzere. Ma MCCBs, kunyanya e solar types, anopa arc control yakawedzerwa uye kuenderana nema monitoring systems, zvichiita kuti ave sarudzo iri nani kune ma PV arrays makuru.

 

Mhedziso

 

Rudzi rwezuva Makadhi eDunhu Akaumbwa AkavhurikaZvinokosha mukusimudzira simba remagetsi rinoshandisa simba rezuva rakachengeteka uye rinoshanda zvakanaka. Nezvinhu zvitsva zvakaita seARM6HU series - ine kunyatsorurama, M3 platform optimization, uye hupenyu hunoshamisa - zvinoratidza kubatana kwekuvimbika uye tekinoroji. Sezvo kushandiswa kwezuva kuri kuwedzera, kuisa mari muMCCB dzemhando yepamusoro kunovimbisa masisitimu akasimba anoshandisa simba rezuva nenzira inochengetedza. Ingave yekuisa zvinhu zvitsva kana kuvandudza, mabreakers aya anodzivirira ramangwana resimba rakachena.