Puas yog arc flash daim ntawv yuav tsum tau ntawm kev txiav?
Puas yog arc flash daim ntawv yuav tsum tau ntawm kev txiav?

Video: Puas yog arc flash daim ntawv yuav tsum tau ntawm kev txiav?

Video: Puas yog arc flash daim ntawv yuav tsum tau ntawm kev txiav?
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Anonim

2. yog txiav tawm zoo li yuav xav tau kev kuaj xyuas, kho, kev pabcuam, lossis kev saib xyuas thaum muaj zog? Yog tias koj teb YES rau ob nqe lus nug, koj xav tau ib qho arc flash ceeb toom daim ntawv lo . CEEB TOOM: Yog lawm, cov lus nug yuav luag zoo ib yam hauv ob qho tib si, NEC thiab NFPA.

Thiab cov lus nug yog, puas yuav tsum tau arc flash labels?

Arc flash labeling yog lub luag haujlwm ntawm tus tswv haujlwm, tsis yog cov chaw tsim khoom lossis tus neeg tsim khoom ntawm cov khoom siv. Labeling yog xav tau rau txhua yam khoom siv hluav taws xob uas yuav xav tau kev kuaj xyuas, kho, kev pabcuam lossis kev saib xyuas thaum muaj zog, tsim kom muaj peev xwm ua tau arc flash xwm txheej tshwm sim.

Ib yam li ntawd, cov khoom siv twg xav tau arc flash ntawv? Ntawm no yog ib tug hint… tsis yog txhua yam hluav taws xob khoom siv yuav tsum tau ib arc flash daim ntawv lo.

Cov khoom uas yuav tsum muaj cov ntawv ceeb toom arc flash:

  • Switchboards / Panelboards / Distribution boards.
  • Industrial Control Vaj Huam Sib Luag.
  • Cov Circuit Court Breakers.
  • Motor Control Centers.
  • Disconnects/Safety Switches (fused)
  • Inverters.
  • UPS.
  • CT Cans.

Ib yam li ntawd, puas arc flash labels tas sijhawm?

Arc flash ceeb toom cov ntawv tas sij hawm tom qab 5 xyoos. Ua ntej daim ntawv lo hloov ib arc txhaum xam yuav tsum tau ua kom paub tseeb tias cov ntaub ntawv ntawm lub daim ntawv lo tseem muaj tseeb. Cov tshuab hluav taws xob ib kab kab kos yuav tsum tau hloov kho thaum muaj kev hloov pauv.

Cov ntaub ntawv dab tsi yog muab rau ntawm arc flash label?

Yam tsawg kawg, cov no daim ntawv lo yuav tsum muaj lub nominal system voltage, lub arc flash ciam teb, thiab tsawg kawg yog ib qho ntawm cov hauv qab no: qhov muaj xwm txheej muaj zog thiab qhov sib txuas ua haujlwm nyob deb lossis qhov arc flash PPE qeb pom nyob rau hauv PPE pawg lus, yam tsawg kawg nkaus arc qhov ntsuas ntawm cov khaub ncaws, lossis qhov chaw tshwj xeeb

Pom zoo: