Iyini inhloso ye-RMU (Ring Main Unit)?

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Indoor ring main unit RMU setup in a commercial power distribution panel

Isingeniso se-RMUS

AI-Ring Main Unit (RMU)Ingabe ingxenye ebalulekile ye-switchgear esetshenziswa ezinhlelweni zamandla okusabalalisa amandla aphakathi nendawo, isebenza ngokujwayelekile kuma-voltages we-11KV kuya ku-33kv. Ukuqinisekisa ukusebenza kagesi okuqhubekayo, okuphephile, nokuthembekile, ikakhulukazi amanethiwekhi angenayo noma anenhlolovo. ukushintsha, ukwahlukanisa nokuvikelaizingxenye ezahlukahlukene zegridi yokusabalalisa.

Inhloso eyisisekelo ye-rmu

Inhloso ebalulekile ye-RMU:

  • Gcina amandla angaphazanyiswangangokuvumela ukwahlukaniswa kwamaphutha ngaphandle kokuthinta lonke inethiwekhi.
  • Nika amandlaUkudlulisa umthwaloPhakathi kwemigqa yokuphakelayo ohlelweni lokusatshalaliswa kwendandatho.
  • Vikela abaguqukayo kanye nama-adelanabaphuka kanye nemfucumfucu.
  • HlinzekaUkushintshwa okukude nokumanuwalingokuguquguquka kokusebenza.

Empeleni, ama-RMUs angumgogodla wamanethiwekhi wokuhambisa, abekezelela amaphutha.

Technician performing maintenance on a sealed ring main unit (RMU)

Izinkambu zohlelo lokusebenza

I-RMUS isetshenziswa kakhulu ku:

  • Ukusatshalaliswa kwamandla edolobha nasemadolobheni
  • Amapaki ezimboni namafektri
  • Izakhiwo zezentengiselwano kanye nezakhiwo eziphakeme
  • Amagridi wamandla avuselelekayo(amapulazi elanga nanomoya)
  • Ingqalasizinda Yomphakathi(izibhedlela, ama-metros, izikhumulo zezindiza)

Ziwusizo ikakhulukazi laphoIzingqinamba zesikhalana-ukuthembeka okuphezuluzibaluleke kakhulu.

Ngokuvumelana neI-Mordor intelligencena-UyemaImibiko, imakethe ye-RMU ikhula ngokuqinile, iqhutshwa ngu:

  • Ukushintshwa komhlaba wonke kuboAma-Smart grids
  • -Khulayoukuhanjiswa kwamababazini kanye nogesi
  • UkugcizelelaUkwethembeka kwamandla nokuphepha
  • Ukukhishwa kwemali ekhuphukayo yeImithombo yamandla evuselelekayo

Abakhiqizi abakhulu bathandaAbisa,Schneider Electric, futhiIdlinazihola izinto ezintsha kuma-compact, ama-eco-friendly rmu design.

Amapharamitha wezobuchwepheshe (ejwayelekile 12kv RMU)

IpharameterThanda
Amandla kagesiI-12kv
Kukalwe manjeI-630
Isilinganiso sokujikeleza esifushane20-25Ka
Uhlobo lokufakwaSf₆ / diodial dielectric
Iziqu ZokuvikelwaIP54 / IP65
Ukuhambisana namazingaIEC 62271-100 / 200/103
Ring main unit technical diagram with specifications

I-RMU vs swindayo yendabuko

UbusoI-Ring Main Unit (RMU)I-switchtiva yendabuko
Ubungako-Hlangene endaweni encaneUmdwebo wezinyawo ezinkulu
Ukuhlalisa-NcilulaUkusebenza njalo
UkuhlinzaI-Manual / Eartesed / RemoteIningi lezincwadi
UkuphephaPhezulu (ukuvalelwa okuvaliwe)-Ngeqile
Indawo yokufakaNgaphakathi / ngaphandleIkakhulukazi ngaphakathi

Ukuthenga nokukhetha Umhlahlandlela

Lapho ukhetha i-RMU, cabanga ngalokhu:

  • I-voltage ekalwe futhi yamanjeisidingo
  • OkuthandwayoI-Insuration Medium(Sf₆ vs vs vs diod dielectric)
  • Uhlobo lokucushwa(2-Way, 3-Way, 4-Way)
  • Ukuqapha okukude ne-automationamakhono
  • Ukuhambisana nakhoI-IEC namazinga wokusebenza wendawo

Izinketho eziholayo zifaka amamodeli ngoIshanisela,Nokia,Abisa, futhiLucy Electric.

Imibuzo ebuzwa njalo (i-FAQ)

Q1: Kungani i-RMU engcono kune-switchchear elula kunethiwekhi yokusabalalisa?

A1:Ukunikezwa kwe-RMUSUkuvuselela kabusha, ukuhlanganiswa, kanye nephutha ukwehlukaniswa, ukuvumela amandla okuvuselela kabusha ngesikhathi sokulungisa ngaphandle kokuthinta abasebenzisi bokugcina.

Q2: Ngabe igesi ye-SF₆ isasetshenziswa kabanzi eRmus?

A2:LaphoI-SF₆ iyasebenza, abakhiqizi abaningi manje banikelaezinye izindlela eziqinile ezifakiwengenxa yokukhathazeka kwemvelo.

Q3: Kwenzeka isikhathi esingakanani i-RMU?

A3:Ama-Rmus asezingeni eliphakeme ngokuvamile anikelaAma-Lifespan weminyaka engama-25-30ngokulungiswa okuncane.

Ukugcina

Kumanethiwekhi wamandla wanamuhla,inhloso ye-rmuidlulela ngalé kokushintsha okuyisisekelo. Ukwethembeka kwegridi, ukuguquguquka okusebenzayo kanye nokuphepha.

Ukuthola okuthe xaxa, bheka amazinga ashicilelwe nguIeee,Wikipedia,Schneider Electric, futhiAma-Whitepaper wezobuchwepheshe be-ABB.

I-GCS ephansi shini kagesi

Uhlu Lokuphakathi Ukuqonda lwe-GCS Low Voltage Switchchear switchchear Special Strackgear Market Trends kanye Nezimboni Ukucaciswa Kwezobuchwepheshe

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