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Kamarin da aji shi kuma a cikin wani tsohon al'ada na Bangkok, 12 bangun suka dace da yawan gari da farko, amma bayanai sun nuna cewa panel na low voltage distribution a cikin substation ta hanyar da aka fuskanta ya ci gaba da 94 percent na kudin da ya kamata ya ci gaba da farko a cikin uku shekara na farko — amma baki ba ne ya san yadda ya ci gaba. Aji shi ya kasance mafahimi, ya kasance mabaya, kuma ya kasance akwai kuma daga wani abu ne mai zama babu sani a cikin yadda ya ci gaba a karamin low voltage. Kudin da ke tsayi aminci na supply na kudin a madogali na farko ba ta kasance daga kudin da ke samuwa ko kudin da ke taimaka wajen taimakawa, amma ta kasance daga karamin farko na network na kudin — karamin low voltage distribution ce ta samu kudin wajen bangun duk, wajen elevator duk, kuma wajen duk system na kula ga ruwan.
Rolin muhimmanci na LV Distribution a cikin networks na madogali
Wani abu ne mai sauraro a tsakanin grid da abokan amfani
Karamin kuma yin fuskantar ƙarfi na farko yayi wani hanyar ƙarfi mai zuwa, ya sa karamin kuma yin fuskantar ƙarfi daga ƙarfi na wasu kwayoyi na 10 kV ko 20 kV zuwa karamin kuma yin fuskantar ƙarfi na 400/230 volts ta hanyar karamin kuma yin fuskantar. Wannan karamin kuma yin fuskantar yake a cikin karamin kuma yin fuskantar masu gaba daya, karamin kuma yin fuskantar da ke cikin kofin kofin, ko karamin kuma yin fuskantar da ke cikin bangun da suka fara cikin tsari na madina. Daga karamin kuma yin fuskantar na karamin kuma yin fuskantar, ƙarfi ya taka cikin karamin kuma yin fuskantar na karamin kuma yin fuskantar — wanda ke cikin karamin kuma yin fuskantar mai zama wani abu da ke cikin karamin kuma yin fuskantar kamar GCK, GCS, ko MNS — inda ya kawo cikin karamin kuma yin fuskantar na karamin kuma yin fuskantar da ke cikin karamin kuma yin fuskantar na bangun, karamin kuma yin fuskantar na karamin kuma yin fuskantar, ko karamin kuma yin fuskantar na mutane da suka fara cikin bangun. Idan karamin kuma yin fuskantar ya ƙare a wani baya na wannan karamin kuma yin fuskantar, duk wani abu da ke cikin karamin kuma yin fuskantar ya ƙare. Ba a da karamin kuma yin fuskantar na karamin kuma yin fuskantar ga duk bangun saboda karamin kuma yin fuskantar na karamin kuma yin fuskantar na bangun ya fi karamin kuma yin fuskantar. Wannan karamin kuma yin fuskantar na karamin kuma yin fuskantar ya nufi cewa karamin kuma yin fuskantar na karamin kuma yin fuskantar da karamin kuma yin fuskantar na karamin kuma yin fuskantar suna da karamin kuma yin fuskantar na karamin kuma yin fuskantar na karamin kuma yin fuskantar na karamin kuma yin fuskantar.
Kula da Kafa ga Tashin Smart Grid
Kudin kasa na gaba daya na tsari na kudin kasa suka ba da kudin kula ga kudin kasa kuma baki ba — kudin kasa suka kawo aiki idan an samu kudin kasa, kuma masu amfani suka sani abubuwan da suka faru idan masu daka suka tsoho domin yin hankali. Kudin kasa mai kyau ya sa kudin kasa ta fuskanci a kowane daraja na jihar da suka yi. Kudin kasa mai kyau da kudin kasa na kudin kasa suka bayyana kudin kasa, kudin kasa, kudin kasa, kuma kudin kasa na kudin kasa don kudin kasa zuwa kudin kasa na kudin kasa. Kudin kasa na kudin kasa a kudin kasa na kudin kasa kuma kudin kasa na kudin kasa suka nuna kudin kasa na kudin kasa idan suka zama kudin kasa. Kudin kasa ya kawo kudin kasa a kowane kudin kasa a kudin kasa ko a kudin kasa na kudin kasa, kuma ya ba masu amfani da kudin kasa na kudin kasa, kudin kasa na kudin kasa, kuma kudin kasa na kudin kasa. Wannan kudin kasa ya canza kudin kasa daga kudin kasa na kudin kasa zuwa kudin kasa na kudin kasa — kudin kasa da ke cikin kudin kasa na kudin kasa ya cire a matsayin kudin kasa idan ya zama kudin kasa, kuma kudin kasa na kudin kasa da ke cikin kudin kasa na kudin kasa ya cire a matsayin kudin kasa idan ya zama kudin kasa.
Kamalinsuwa ta hanyar Tattalin Kullumma da Kwalitasin Alamar
Kamfanin gaba daya na kudin shahara yana da kyau a cikin saitin da aka zayyano sosai kafin an samu wasu abubuwa. Tanan kuma an yi amfani da ‘withdrawable switchgear’ don fuskanci wani ‘circuit breaker’ ba tare biyan kudin dukkanin ‘panel’ ba — wanda ke baiwa maimakon yin amfani da ‘multi-hour outage’ domin yin ‘brief switching operation’. ‘Form 4 internal separation’ a matsayin IEC 61439 ya kawo ‘busbars’, ‘functional units’, da ‘cable terminations’ a cikin ‘compartments’ masu farko, kuma yana tsarawa wani ‘failure’ a cikin wani ‘section’ don yin amfani da ‘propagation’ a cikin ‘adjacent sections’. A cikin ‘critical urban facilities’ — kamar ‘hospitals’, ‘data centers’, da ‘transit systems’ — ‘low voltage distribution’ ya kawo ‘automatic transfer switches’ wanda suka yin ‘load transfer’ zuwa ‘backup generators’ ko ‘alternate utility feeders’ a cikin ‘seconds’ bayan ‘supply interruption’. Wadannan ‘switches’ suka hada da ‘downstream protection devices’ domin tabbatar da ‘inrush currents’ daga ‘transformers’ da ‘motors’ bayan ‘restart’ ba su ci gaba don yin ‘nuisance tripping’.
Masu Sabon Gaskiya
Wane kadanin tafarka suka nufi low voltage distribution?
Low voltage distribution ya amfani da tafarka ta hanyar 1,000 volts AC kamar yadda ake bayyana shi ne a IEC standards. Wani daga cikin tafarka na yawa da amincewa shine 400/230 volts three-phase a IEC markets kuma 480/277 volts ko 208/120 volts a North American markets.
Yaya smart LV panels sun faru daga conventional distribution boards?
Smart panels sun gudan cire circuit breakers na mahaifin da suka haɗa metering da communication modules, wanda suka bada damar amfani da real-time monitoring na electrical parameters per circuit. Bayanin su ke cika energy management platforms wanda suka bada load trending, power quality analysis, da predictive maintenance alerts — wadanda ba su da su a conventional protection-only panels.
Wane tsarin yadda low voltage distribution failures suka iya yin a urban areas?
Wani sa’a guda daya na kusanci a cikin bangun da ke amfani da shi don ayyukan al'umma yana zama 50,000 zuwa 500,000 wajen kuskuren al'ummar da kuskuren ayyukan yadda ake amfani da bangun. Don fasahin masu ayyukan industriya da ke cire cire, al'umar suka fi $1 million wajen sa’a guda daya. Wadannan adadin suka nufi cewa ya kamata mu sanya matsaloli mai kyau a kan tsarin furo da ke da rashin kuskure.
Yaya harmonics daga ayyukan zaman lafiya suka yi tasirai ga abubuwan tsarin furo na low voltage?
Ayyukan da ba su linear ba — LED lighting, variable frequency drives, computer power supplies — suka haɗa harminik current suka haɗa kuskuren kuma suka haɗa kuskuren a cikin transformers, neutral conductors, da busbar connections. K-factor rated transformers da kuskuren kuma kuskuren neutral conductors suna amfani da su a cikin bangunan da su da karamin electronic loads.
Yaya tsarin furo na low voltage ta yi aiki a cikin kuskuren al'ummar na bangun?
Panels na bayaniyar LV da kuma amfani da metering na level na circuit suka bada damar mai amfani da energy domin gano loads wadanda ba su da efficiency, fayyade energy cost zuwa tenants ko departments, kuma tattara performance na energy conservation measures. Wannan visibility na bayaniya shine shi ne wajib don samun certifications kamar LEED da BREEAM.
Yaya an yi testing na low voltage distribution systems a cikin lokacin da aka saita su?
Factory testing yana kawo dielectric voltage withstand tests, measurements na insulation resistance, verification na protective device operation, da temperature rise tests a cikin busbar systems a matsayin IEC 61439. On-site commissioning yana kawo primary da secondary injection testing na protection relays, polarity da phase rotation checks, da functional testing na interlocking da automation schemes.