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Shin Waɗe Ring Main Unit? Amfunanin Muhimmi Na Aƙayyin Hanyoyin Tsarin Kwana Na Koma-Ruwa
A na'urar Rung mai jujjuyawa (RMU) shi ne aƙayyin hanyar tsarin kwana mai daukar wani doka, mai nuna tsarin kwana na wani doka (masu amfani da 6–24kV) a hanyoyin tsarin kwana. Yana amfana da maɓallin kontin da ke cikin tsarin hanyoyin mai nuna kwana, yana ba da damar kwana ta kafin zuwa—wanda ke muhimmanci ga koma-ruwa inda mutane da ayyukan yanzu suna da tasiri sosai.
Tsarin Amfani da Kayan Nau'ikan Hanyoyin Tsarin Kwana Na Ring Main Unit
RMUs suna haɗawa uku daga cikin kayan nau'ikan hanyoyin tsarin kwana:
- Mamaki mai karfafa yanki , don sadarwa na yanki a lokacin da ke yankin kuɗi
- Mamakon mashe , donzawa tsinkin transformer a cikin 10ms
- Circuit breakers ko protective relays , don zargin da karkashin abubuwa da short-circuit
Hanyar yin amfani tana ayyukan. Lokacin da wani abu ya kamata kamar hadarin shafin voltage ko canzawa mai damar current, yanzu jama'a ta halartar da ita cikin sauri. Di misali, tsinkin transformer. Yauzar da ke tafi da ke sarrafa shi ta hanyar disconnectors masu dabe-daben yayin da wasu switches suna sauya current zuwa cikin abubuwan guda biyu na network. Duk wadannan abubuwa suka faru da sauri, a tsakanin 100 da 300 milliseconds. Abin da ya sa wannan nazarin ya kasance mai muhimmanci shine ya stop problema ta fito har mausayar grid. Sauran sai dai za a iya samun batutuwa saboda wani abu, jama'a ta halarta ta kawo tasawa bayan tsinken.
Kunna Fault Isolation, Load Transfer, da Seamless Network Reconfiguration
Kwayoyin takardun farko suna amfani da RMUs don samun "N-1" na ƙarfi: idan wani kwaya ya gaskiya, kwayoyin da suka gabata yaza su saita kwaya ga kayan aiki na bakkarwa. A kwayar London metro, wannan iko ta raba tsawon kwaya ta 73% (Raportin Kwayar Tsayi na 2023). Suyukai na iko wadanda suka bayyana su ne:
| Aiki | IMPACT | Matsalolin Takardun Farko |
|---|---|---|
| Isolasi na matsala | Ya karye kwaya zuwa 1–2 takaddun baya | Kwayoyin tattalin arziki na ƙofin baya |
| Tsamfawa na Bebe | Ya hana karamin transformer | Yanayin kwaya mai zuwa a takardun cikin fari |
| Sakamako na kwaya | Ya zama muna iya amfani da kwaya ba tare da kuzo ba | Gudunmawa na kwaya a lokacin kwaya mai zuwa |
Wannan iya canza sakamako yana ba da damar sauyin kewayon amfanin hanyar ukuwa daga al'adu zuwa ga wani yanayi a gasoshi, yayin da suka taka >99.98% lokacin amfani a kasuwa kamar Singapore.
Masu Iyakar Tattalin Arzikin Ring Main Units don Kasuwa Mai Tsokaci
RMUs yana kuskuren masallaci na tsokaci a kasuwa ta wayar nisaƙin iyakar su. Wadannan kayayyaki sun kula da duk abubuwan bukatar suna kamar tabbatar da injin, aiki na cuta, da tsarin matakai a cikin iyaka mai gadiyar tafiye. Wasu abubuwa? Suna ninka nisaƙin suwa game da karancin iri uku zuwa karancin ukwui ne dibu a kama da tattalin arzikin switchgear na farko. Wannan yana ba da damar sauya su inda kayan karien elektriken bata iya shaƙewa bayan. Dua zuwa wadannan kiosks mai tsokaci a kan kurce, wuraren kuɗin basemen ko ceefin keke ya kamata ya zama 2.5 mita kawai ko wadannan shirin mai girman girman tsakanin gida wanda ake amfani da shi kamar yadda ya kamata koda yake kokomin amfani.
Mafuta Mai Nufa vs. Switchgear Na Yau
Yiwaƙin wani RMU mai yawa ya zama hada lokacin dib uwar hanyoyin rashin tattara:
| Paramita | Switchgear Na Yau | Na'urar Rung mai jujjuyawa | Sake |
|---|---|---|---|
| Yankin Farko (m²) | 8–12 | 2–4 | ≥65% |
| Tushen Aiki (m) | 2.5 | 1.2 | 52% |
| Lokacin Tsagawa (Saatunan) | 80–100 | 20–30 | 70–75% |
Wannan tsari mai zurfi yana amsa matsalolin tattara urbani dire. Ladar da taƙaitaccen yanar gizon 2023, an samu cewa 74% na ma'aikatan madina ke shahara abubuwan sana'ar da aka nuna yayin sauya shirye-shiryen kogon elektrik a kofon daki.
Tsagawa Mai Yin Kewaye: Kiosks, Gwamnati Na Zurfi, da Basements na Gida Mai Talla
RMUs suna iya canzawa ga wurare na-urban na baƙi ta hanyar gina na abubuwa da karyayin na al'ali. Karamar da suka tsage, maske suka shiga suna baɓa:
- Sanya a samaun farko a cikin takalmomi mai daidaiton ruwa
- Haɗinwa zuwa cikin kayan gargajiya—akan kuskuren ilimin hagu da takalmomin nuna hanyar tafiya
- Sanya bisa hannu a cikin takalmomin samun abincin gida
Wannan haɓaka wadana ririn ciniki akan maye mayen gina—wanda ke wani matafiyar burin lokacin da maye ayoyin gina suka fi $740k per acre (Urban Land Institute, 2023). Ayyukan gyara zai tsaya sauƙi, tare da gine-ginen baya mai baya wanda baza a buƙatar sa.
Tushe na Ring Main Unit: Saiyin Taimako a Cikin Gudummawar Urban Na Yanki
Iyakar Kuskure da Performance na Uptime: Bayanin Littattafai Daga London da Singapore Metro Grids
Yanar gizon Ring Main (RMUs) sun saba da abincinsu a lokacin da suka shiga yin amfani da kuskuren cikin haruffan birni mai yawa wanda yanki yana nuna. Tsarin ring ya ba da damar sauya tasiri na uku yayin da akwai matsala tare da kable ko transformers, wanda ya tsaya wa matsalolin maƙaƙaki su zama abubuwa mai nauyi a cikin yankin da aka haɗa. Dole London misali, suka samu 99.98% uptime yayin da suka shigar da wadannan yanar gizon sabbin, kuma a Singapore, sakandiyar arziki ta tsaye ta dacewa kamar haka yayin da kusan ruwan karfi wanda za a iya haifar da irin matsalol wajen bayan. Lokacin da wani abu ya fara kwancewa, tsarin sectionalizing mai kyau ya fara a cewa 100 millisecond, yin batun halartar jerin da ba abokan mutunci ba kafin ya iya fuskantar matsala a cikin yankin mai yawa. Sai kuma, nasarar girma mai dubawa ta ba operators alamar alarma game da koshin insulation kafin shi zai kwance kusa. Wannan hankali ta raha sababbin kasancewar zamantakewa ne a makamata uku dibu dibu ga hanyoyin shigar da aka yi a cikin zaman kansu da ke amfani da shi a yankin daban-daban.
Ayyukan Tafiya Da Daidaiton Kudaden Cikakken Ci Gaba
RMUs suna buƙatar tattaunawa mai yiwuwa saboda su halartaka da gasurori kamar SF6 ko ruwan farin fassara, wanda ya bambanta da tsarin da ke goyan. Wadannan abubuwan sayarwa suna kuskure ruwa, dumiya, da sauran abubuwa da za a iya shigar da su cikin wasan kasuwanci. Daban-daban shine mai zurfi har ma - yau da kullum masu amfani suna ganin waɗansu iya rage matsayin hanyar ake yi maintenance wanda ke koma takaitaccen 80% wadda ake yi da tsarin insulatorin ruwa. A cikin shekaru 25, masu siyarwa na iya rage kudaden biyu (40%) na kusurwar biyan kuɗi. Ma'ajan teknisi baza su guduwa a duka ba saboda duk abin da ke mahimmaci yake baya daya daga baya. Sai dai, relays na kayan elektoronik sun kafa wurin kayan mekaniƙal da ke karɓarwa a ƙarshe. Wannan yana nufin rashin lokaci ake shiga a gyara abubuwa da kuma rashin abubuwan taɓawa da ke kula da dusta. Madina, na taron yana da alhakin taron saboda masu sarrafar jama'a su samun aiki mai kyau ba tare da sauya kuɗi a cikin gyara da sakawa.
Saba Daga Sabon Wannan
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Wanne ne mai amfani na farko na Ring Main Unit?
An kirkiri Ring Main Unit (RMU) don bauta na alamuwa a tsarin madougari, yana aiki kamar wuri na kanso a cikin shahara don bautar da samun kuskuren elektriku, wanda ke taimakawa wajen kawo samun kuskuren waya. -
Mene ne RMUs suna muhimmiyar rawa a cikin shagali na elektriku na madougari?
RMUs suna mahimmanci a cikin shagali saboda suna bauta iyakar kashe kuskure, zama’azar bautin, da nau’in shagali, waɗanda ke kawo katutuwar karin lokaci kuma su kawo samun kuskuren waya. -
Yaushe ke RMUs su yi tattaunawa da switchgear na zaman kanso a cikin sharafin shafi da kirkirar?
RMUs suna ƙananan, suna buƙatar 65% gaban shafi kuma su kawo katutuwar lokacin kirkira ta hanyar 70–75%, wanda ke iya canzawa ga wuraren shahara da suka fi girma.
