Q1: Is a Ring Main Unit a type of switchgear?

A1: Yes. An RMU is a specialized form of medium voltage switchgear designed for loop distribution networks with compact and sealed construction.

Q2: Can RMUs be used for industrial plants?

A2: RMUs can be used in industrial settings, but they are generally favored in compact environments. Switchgear offers more flexibility for complex industrial systems.

Q3: What insulation is safer—air or SF₆?

A3: Air-insulated systems are environmentally friendly but larger in size. SF₆ offers compact design and better insulation but requires strict leak control due to its greenhouse gas properties.

Ring main unit vs switchchchgear: ukwehla

Ukuqalisa

Kumahlelo wanamuhla wokusabalalisa kagesi, zombiliI-Ring Main Units (Rmus)yisingeluyizakhi ezibalulekile zokuphatha i-medvol voltage (MV) kanye namanethiwekhi aphansi we-voltage (LV).

Lo mbhalo uhlolaumehluko phakathi kwe-RMUS ne-switchchear, icacisa imigomo yayo yokusebenza, futhi ihlinzeka ngokuqonda ekusetshenzisweni kwayo, amapharamitha wezobuchwepheshe, kanye nenqubo yokukhetha.

Comparison image of Ring Main Unit and traditional switchgear cabinet in industrial settings

Yini i-switchchgear?

Umqashi wasezamasinyaneYigama elibanzi elisetshenziselwe ukuchaza ukushintshwa kokushintshwa kwama-dex switfonnent kagesi, ama-fuse, kanye / noma abaphuluki besekethe asetshenziselwa ukulawula, ukuvikela, nokuhlukanisa imishini kagesi.

Izinhlobo ze-switchgear:

Apararamenta de Baja Tensión: Kusetshenziswe ezinhlelweni kuze kube yi-1KV.
I-Voltage Voltage Voltage: Ngokuvamile kusebenza kusuka ku-1KV kuya ku-36kV.
APARETRA de Alta Tensión: Isebenza kuma-voltages ngenhla kwama-36kv.

Imisebenzi:

Ivikela amasekethe kagesi ekugcwalisekeni nasemaphutheni.
Ivumela ukwehlukaniswa nokulawulwa kwezingxenye ezahlukahlukene.
Igcina ukuphepha ngesikhathi sokulungiswa.

Yiliphi iyunithi eliphambili lendandatho (RMU)?

ARing main unituhlobo lweI-Voltage Voltage VoltageYakhelwe ngqo ukucushwa kwenethiwekhi ye-Loop-Type Network.

Izici ezibalulekile ze-RMUS:

Amayunithi ahlanganisiwe futhi avaliwe.
Imvamisa igesi incinisiwe isebenzisaSf₆noma ukufakwa okuqinile.
Hlanganaukulayisha ukushintshwa kwekhefu,abaphula umjikelezoyukushintshwa kwendlebe.
YakhelweUkufakwa okulinganiselwe kwedolobha noma kwesikhala.

Ukuqhathaniswa kwamapharamitha kwezobuchwepheshe

Ubuso	U-Unidad Triedlard de Anillo (RMU)	I-switchtiva yendabuko
I-Voltage Range	I-12KV - 24KV	I-1KV - 36kv (MV)
Ukwahlukanisa	SF₆ igesi / Solid / Air	Umoya / oyela / sf₆
Umthamo wesilisa omfushane	Kufika ku-25ka	Kufika ku-40ka (kuyahluka)
Ukumisa	Kulungisiwe, kuhlangene, kuthulwe	Modular futhi nezimo
Amadivayisi wokuvikela	I-Circuit Breaker + fuse noma i-lbs	Abaphula umjikelezo, badlulisela
Ukufaka	Ngaphandle / ngaphakathi	Imvamisa ngaphakathi
Ukuhlalisa	Iyunithi ephansi (evaliwe)	Ukulungiswa okujwayelekile
Utshani	~ Iminyaka engama-30	~ 25-30 iminyaka
Amazinga	IEC 62271-200, IEC 60265	IEC 62271, IEC 60076

Izindawo zohlelo lokusebenza

Izicelo eziphambili zeyunithi:

Amanethiwekhi Okusabalalisa Amadolobha
Izinhlelo ezingaphansi komhlaba Cable
Amapulazi Amandla Avuselelekayo (Solar, Wind)
Izakhiwo zezentengiselwano kanye nezakhiwo eziphakeme
Ukufakwa kwesibili

Izicelo ze-switchchgear:

Izikhungo zezimboni ezinemithwalo emikhulu yezimoto
Okufakwa esikhundleni sokuqala
Ukusetshenziswa kokusetshenziswa
Ukukhiqiza izitshalo
Izikhungo Zokuphehla Amandla

I-RMUS Shine Endaweni Yokusabalalisa Lapho Ukulondolozwa Kwendawo Nokuthembeka Kubaluleke Kakhulu, ngenkathi i-switchgear yendabuko ilungele ukwehluka, ukufakwa ngokwezifiso.

Izitayela Zemakethe Nesendlalelo

Ngokusho kocwaningo lwemakethe kusukaUyemanamaphepha obuchwepheshe onIee xplore, isidingo somhlaba wonke seI-compact, smart, kanye nezixazululo ze-MV eziphansi ze-MVkuyakhula.

Ukufudumala kwamabanini: Isidingo sama-compact ne-Underground-enobungani be-Units.
I-Smart Grid Development: I-RMUS isekela i-scada ne-automation.
Izidingo Zokuthembela: I-RMUS qinisekisa ukuqhubeka kokuhlinzekwa ngokucushwa kwe-loop.

I-switchchear, ngakolunye uhlangothi, iyaqhubeka nokuvela ngezinto ezintshaAbaphuka kakhulu bombuso,Izinzwa ezisuselwa ku-IOTyUkuvikelwa Kwedijithali Kudluliselwa.

Umthombo:Iee Xplore: Ubuchwepheshe obuhleliwe be-GRID,Umbiko Wonyaka Wonyaka

Ubuhle nobubi

Rmu pros:

I-compact footprint
Kuvaliwe futhi kube yisondlo
Ukuthembeka okuphezulu
Ilungele i-automation nokuhlanganiswa kwegridi ehlakaniphile

I-RMU Cons:

Izindleko Eziphakeme Zokuqala
Ukulungiswa okulinganiselwe
Izinhlelo zegesi ezivaliwe zidinga ukuphathwa okufanele

Izinzuzo ze-Switchgeke:

Ngokwezifiso kakhulu
Iyakwazi ukuphatha ama-subrance aphezulu amaphutha
Isekela amasu wokuvikela ahlukahlukene

I-Shintsha Cons:

Idinga isikhala esengeziwe
Udinga ukulungiswa ngezikhathi ezithile
Kunzima kakhulu ukufaka

Umhlahlandlela wokukhetha: Yikuphi okufanele ukhethe?

Isimo	Imishini enconyiwe
Isikhala sokufaka esinqunyelwe (E.G. Izikhungo zasemadolobheni)	U-Unidad Triedlard de Anillo (RMU)
Kudingeka ukucushwa okuphezulu	I-switchtiva yendabuko
Isidingo sokulungiswa okuncane	Rmu
Isitshalo sezimboni esinemithwalo ehlukahlukene	Umqashi wasezamasinyane
Ukulawula okuzenzakalelayo okuzenzakalelayo okufiswayo	Rmu nge-scada
I-Embustity-Scale Susation enkulu	Umqashi wasezamasinyane

Ithiphu:Hlala uthintana ne-OEMS enjengeAbisa,Schneider ElectricyNokiaukucushwa okuqondene nephrojekthi kanye namanani entengo.

Izilinganiso Zegunya

Preguntas más frecuente (FAQ)

Q1: Ngabe iyunithi eliphambili lendandatho uhlobo lwe-switchchear?

A1: Yebo.

Q2: Ngabe i-RMUS ingasetshenziselwa izitshalo zezimboni?

I-A2: I-RMUS ingasetshenziswa ezilungiselelweni zezimboni, kepha ngokuvamile zithandwa ezindaweni ezihlangene.

Q3: Yikuphi ukufakwa okuphephile komoya noma i-SF₆?

I-A3: Izinhlelo ezifakwe umoya zinobungani bemvelo kodwa zikhudlwana ngosayizi.

KokubiliAma-ring amayunithi mainyi-switchtiva yendabukobabucayi ekusatshalalisweni kwamandla kepha basebenzise izidingo ezihlukile.

Ngokuqonda kwaboukwehluka,Izici ZobuchwephesheyIzimo zohlelo lokusebenza, Onjiniyela kanye nabenzi bezinqumo bangakhetha isixazululo esifanelekile sengqalasizinda yabo kagesi.

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