An gyara wutar? Tashe na wuta (MV) mai aminci yana rage kwanciyar dabe

Fahimtar Haɓakawan Tsakiya Da Rolinta a Cikin Taimakon Yankin Kuɗi

Shin Abin Wura Haɓakawan Tsakiya (MV) Shiga Da Yadda Ya Aiki a Cikin Yankunan Kuɗi

MV switchgear ya ke aiki a kowane yanayin voltage daga kusa da 1 kilovolt har zuwa 36 kilovolts, wanda ke tsara abun da mutum dum yake kira takardun gina don bubar shiga akan kowane alloji da ayyuka. Wannan kayan aikin yana da abubuwa kamar circuit breakers, relays masu kariya, da switches masu iskar ceto wanda ke taimakawa wajen manta shiga na amfanin kuma kawo tsarin kariyar ayyuka. Abin da ke sauran wannan tsarin yawan daraja shine imani na iƙarke farkunan tsarin electric grid. Lokacin da ake bukatar gyara, masu gyara za su iya aiki akan wani hanya ba a shut down wasu ba. Wannan aiki yana muhiminta ga iri ga irin wurare da ake bukata samun shiga ta hannu kamar dabinojin da ake bukata shiga ta hannu, dukiyoyin server mai yawa da ke karnu tsarin bayanai mai mahimmanci, ko girman production a kayan fabirkin da ake iya kawo karancewa daga alufa zuwa milliards lokacin da aka tsaya.

Ayyukan Kari Hanyar Kari Elektiriku: Fara, Taimako, da Sauke

Hanyar kari na elektiriku ta tsakiya tana gina uku dandalin:

Wannan uku na iya kare sababbin kayan aikin lokacin da za a hausa, tare da tsarin yaukidan yawan batutuwan 85% ta hanyar kai (CIGRE 2023).

Yaya ake wasanke saboda mai yawa ta hanyar haske karfi na gajeren yanayi

Shin mashe suka wuya ko haruffan sun kasancewa? Tsarin MV switchgear mai yau yana shigo a cikin miliyanci 30 zuwa 50, wanda ya zama igogo 20 karfi daidai ne akan wani abokan adam zai iya kirkira. Ta hanyar karkatar da batutuwa sai yaushe, waɗannan tsarin sabaƙin yanayi sun kara batutuwa a cikin hanya ɗaya kawai na gidan kogin kogin elektrik. Wannan yana nufi saukin kuskuren duniya, wanda ke biyan lambu $740,000 kowace sati yayin da ayyuka sun kasance. Misali, wani abinci na faburika na otomat na Amerika ya gujonta kayan aikin switchgear zuwa baya. A lokacin da ma'aikatin kogin kogin elektrik ya faru a shekarar 2022, dukia an kara katun halartar ayyuka da kusan 90%, kamar yadda aka fada shi ne ta hanyar risharar mai sarrafa abincin.

Kare tsarin kariya ta hanyar aiki mai amintam TSarin MV Switchgear

Kiyaye Iyakar Hanya a Lokacin Tattara da Kulleban Sabis na Elektirik

An kiyaye sakamakon sakatawa mai zuwa zuwa 25% ko fiye a lokacin rana mai zurfi a kwanan watan Mata or a lokacin inda wasu al’adu ke sauke sukar iyaka ta sudden production. Wadannan nukarin zaman kansu suna da kyau karin tsaro da shigogon zane-zane na vacuum wanda yake iya ganin kuma taimakawa cikin kuskuren 50 milliseconds. Wannan ita ce take 60% mai sauƙi darusa daga cikin masu zuwa, wanda ke taimakawa wajen kare sababan cin zarar voltage a wuraren da ake buƙatar iyaka sosai, kamar takaddun halitta da al’amuran abubuwa mai teknoloji mai zurfi. Ga harshe da aka buga a baya mahuwar tarihi game da iyaka, takaldibensu da aka sanya suka hada da nukarin zaman kansu suna da rashin kama da brownouts a matsayin 8 daga cikin 10 a lokacin halittu mai zurfi dibdib, sai dai duk takaldiben da ke amfani da nukarin da ba su da zaman kansu.

Tushe Na Gaba: Nukarin Zaman Kansu Mai Tsawon Sakatawa Ta Reducing Industrial Outages

Sayan daya mai tsawon bayanai ta kasance a cikin rashin kuskuren da ba a yi amfani da sakwoyi ba ne a kama zuwa talata uku lokacin da suka canza zuwa sakwoyar madarasar mitauni mai yunnam baya tare da nema na hali na hoto. Lokacin da akwai matsala tare da transformer, natsarar sababbin ya sa sakwoya ta canza elektrisiti wajen baya, wanda ya kawo su kusa da uku jirariyan dolarin Amerika wadanda zasu kashe su lokacin da aka sarrafa shi. Wannan abu mai kyau ya faru a wasan faburikati na kayan kimiyya inda suka kashe waɗannan kuskuren da ke fuskantar a cikin sabbaba ta installawa digital mai dubawa. Waɗannan sun kawo tasowa a gudunmawa, irin da aka iya samun shidda sha da ukku matsalolin da ke da alamu na elektrisiti a shekara 2023 kawai. Masu sarrafawa na wasan sun faɗiwa cewa sadarar da ke da alamu sun tsaya stabila a kowace daga cikin waɗannan kuskuren thanks to wannan upgrade.

Gyara Sakwoyar Mituna Na Aƙalla Don Tattara Aiki Da Kari

Mene ne sakwoyar mituna na aƙalla tana matsallaci da yawan load da buƙatar kari a yau

Kayan ajiyar voltage mai yawa na baya tana fuskantar matsalolin da ke mahirar asiri lokacin da shugaban kogin kwari sun canzawa. An tsere kayan ajiye-aiki bayan digital monitoring ta zama abokurdi, kuma babu wani agogo da aka tsere da suka fi karshen shekaru hudu. Abubuwan da ake amfani da su don hanyar dawwarar ilimin ilimi daga cikin waɗannan nukasun da ba'a shirbe su don nau'in aiki da muke ganin yanzu a cikin alamaron da ke cewa yawan buƙatar current sun yi gaba da shekara 15 zuwa 30%. Wannan kuma yana nufin inbasar da ke tsoro ga masu aiki saboda anƙari - buƙatar yanayi suna nuna cewa girman danger sun yi gaba da wasu uku bisa ne akan abin da kayan aiki sababbin suna bayyane ne bisa IEEE guidelines daga kwanan wata. Babu abin da ya kamata, yau da kullun samfurori na baya ba su fara ma'amarorin National Electrical Code mai sauƙi akan latsar da anƙari, wanda ke kirkirar duk iyakar halayya don masu sarrafawa da ke so sauya ayyukansu suyi daidai.

Retrofit vs. replacement: Hanyoyin sauya kayan ajiyar MV

Lokacin da ke sauya kayan ajiyar MV, masu amfani suna da wadannan hanyoyin:

• Gwajintawa mai zurfin kanso : Sanya sensa mai inganci don kara karancin yanki ($18k–$35k wani bay) da kuma inganta masu dawowa
• Akwai canza : Sanya masu darawa mai tsici ba tare da SF6 tare da ijin sauyin IEC 62271-200

Tarin bincike na 2024 na Gudummawar Jirge ya bada cewa gwajintawa mai zurfin kanso ta bamu 82% dari abubuwan tilia na nau'in sababbin sabon nukarin har maƙaɗin biyan kuɗi na 45% gaban nau'ikan kayan aikin da suka fi 25 shekara, yayin akwai canza suna zama mai kyau har maƙaɗin biyan kuɗi ga kayan aikin da aka barci bisa 1980 da suke buƙatar gyara daya.

Abubuwan tilia a matsayin tsaro, kwayoyin aiki, da kuma lokacin aiki daga sabon sabisar kayan aikin switchgear

Gudummawar jirge ta kara karancin kashewar ƙarami ne na 73% a cikin farko 5 shekara (Rapportin NERC 2023 game da rashin kari). Sabon MV switchgear ta samu:

Wadannan canjin sadarwa suna daidai ne da kungiyar NFPA 70E, wanda ya kara nisaƙin hana na arc flash ta hannu mai yawa da ke sama da 1.2 cal/cm² a cikin 94% na sauyin da aka yi.

Manejojin Kula da Gaskiya don Daidaita Iyakar MV Switchgear

Ana buƙatar iyaka mai tsauri (MV) switchgear don daina kuskuren da ke sabunta masifa iyaka an samuwa da kusan $740k per unplanned downtime event . Bayan hanyoyin da ba a yi masa taimako ba, manejojin da suka gabata suna daidai ne da standarɗai kamar NFPA 70B don kara iyaka mai yawa kuma kara kansa matakaitun aiki.

Role Mai mahimmanci na Kula don Daina Kuskuren Iyaka Ba a Yi Lahira Ba

Tambayin 2023 na al’umma ta fada cewa abokan gida da ke da tambayin iyaka mai tsauri (MV) kowace kwartal su sha 62% mai yawa har maƙalar kuskure dangane da wadanda ke amfani da gyara kuskuren. Gudummawar gudummuwa yana nuna alamar tushen koƙin da aka fi san kamar angyasa na kontakti, koshin kuɗi, da matakai mai kyau ga rilayi kafin su fara rage. Misali, taswirar harshen yantra yana nuna abubuwan da ke zama harshen 8 zuwa 12 kwanan wata kafin karfin rage.

Gudummawar Gudummuwa da Gudummawar Fannin Koyaushe: Hanyoyin Ayyuka Masu Iyaka don Samfurori na MV

Ayyukan gudummawa kamar lalacewar wakili da saukewar kontakti suna da mahimmanci, amma samfurorin zaman lafiya suna hadawa cikin yauƙi a cikin tallafin fannin koyaushe. Hanyar haɗin nau'ikan biyu ta kare karfin gudummawa 34%lokacin da aka kara ayyukan MV switchgear ta hanyar 6–8 shekara dibé tsarin da aka yi zuwa baya.

Tambayoyi Masu Yawan Faruwa

Wanne ne range na voltage don medium voltage switchgear?

Ayyukan medium voltage switchgear ke dauke da range na voltage daga kuro da 1 kilovolt zuwa 36 kilovolts.

Mene ne damar isore mai kyau tare da abubuwan da ba su da lafiya a cikin MV switchgear?

Damar isore mai kyau tare da abubuwan da ba su da lafiya suna muhimmi don hana rashin kuɗi a wani hankali ne na electrical grid, doni wasan wayar sabon bayanai kuma samun karancewar cututtuka na ayyuka.

Wane ne alhadin sauya zuwa ga zaman lafiyar MV switchgear?

Sauraran zaman lafiyar MV switchgear yana tevava lafiyar, kwayoyin aiki, da lokaci mai amintam da aka samuwa saboda raguwar lokacin dare, inganta zaman kuskuren gudummawa, da karamar karanciwar biyanin gyara-gyara.