Dab tsi yog kev nyab xeeb tshem tawm hauv chaw hloov chaw?
Dab tsi yog kev nyab xeeb tshem tawm hauv chaw hloov chaw?

Video: Dab tsi yog kev nyab xeeb tshem tawm hauv chaw hloov chaw?

Video: Dab tsi yog kev nyab xeeb tshem tawm hauv chaw hloov chaw?
Video: Ke hlub yog dab tsi? 2024, Hlis ntuj nqeg
Anonim

Sectional Kev tshem tawm Los yog Kev nyab xeeb Ua hauj lwm Clearance

Tshooj tshem tawm yog qhov kev ncua deb ntawm ob ntu ntawm chaw nyob , uas ua rau ib tus neeg ua haujlwm ntawm ib ntu ntawm a substation hauv a nyab xeeb yam, thaum lwm seem raug them.

Ib yam nkaus, tib neeg nug, kev tshem tawm kev nyab xeeb yog dab tsi?

A tshem tawm phau ntawv qhia yog qhov chaw xav tau rau kev nyab xeeb tshem tawm ntawm cov khoom siv nyob ib ncig ntawm lub chaw ua haujlwm. Txhua qhov kev lag luam muaj tus qauv tshem tawm cov cai kom paub meej kev nyab xeeb hauv chaw ua haujlwm.

Tsis tas li ntawd, qhov tsawg kawg nkaus hluav taws xob clearance yog dab tsi? 110-26 ntawm National Hluav taws xob Code (NEC): 1) tsawg kawg yog 3-ft tshem tawm pem hauv ntej ntawm txhua tus hluav taws xob khoom siv; 2) 30 hauv -thoob qhov chaw ua haujlwm pem hauv ntej ntawm cov cuab yeej ua haujlwm ntawm 600V lossis tsawg dua; thiab 3) yam tsawg kawg nkaus taub hau tshem tawm ntawm 6 ft lossis qhov siab ntawm cov khoom siv, qhov twg ntau dua.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog clearance nyob rau hauv kis kab mob?

Hauv av Kev tshem tawm ntawm txawv Kab Kis . Raws li Indian Hluav Taws Xob Txoj Cai 1956, Clause No 77, qhov kev ncua deb tsawg kawg ntawm tus neeg xyuas pib hauv qab thiab hauv av ntawm 400KV kab kev sib kis yog 8,84m. Raws li qhov kab lus no, ntawm IE 1956, av tsawg kawg tshem tawm ntawm 33KV uninsulated hluav taws xob conductor yog 5.2 meter.

Yuav tsum muaj clearance npaum li cas ntawm av thiab qis tshaj tus neeg xyuas pib rau LV?

Kev tshem tawm saum av ntawm tus neeg xyuas pib qis tshaj Raws li IE Txoj Cai 77

Hla lub taub hau Kab hla txoj kev
Tsawg thiab Nruab Nrab Voltage 5.8 Mej
Tsawg / Nruab Nrab / HT kab mus txog 11KV Yog tias tus neeg xyuas pib liab qab 4.6m ib
Tsawg /Nruab Nrab /HT kab mus txog 11KV Yog Cov Hluav Taws Xob Hluav Taws Xob 4.0m ib
Saum 11 KV Kab 5.2 Mej

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