Electrical Calculations / Engineering

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30 kva 3ph transformer 208 primary - 380y/220 secondary what amperage capability at 380 v excuse my ignorance just trying to see if I can supply
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3
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896
bryce12
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D
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Table 310.15(C)(1) - More than 3 ccc
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9
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2K
Jpflex
Jpflex
W@ttson
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FACP Location
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7
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2K
JoeStillman
JoeStillman
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Most economic way to move 1 MW across a river
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10
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1K
electrofelon
electrofelon
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multiple VFD output cables in same conduit, using VFD cable?
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3
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2K
paulbr
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K
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getting quotes
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3
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777
Krusscher
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Re: Post: Sizing conductors, conduit for lights and Transformer? Need help on my work
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3
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1K
augie47
augie47
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277v Heating Elements
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1
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703
tom baker
tom baker
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Single family home load calculation for panel size.
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3
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989
Cyelectric
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Power configuration for 480v 240v 3p & 1p
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16
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3K
hillbilly1
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Placing Pullbox in front of Switchgear Rear Access Door
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5
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1K
JoeStillman
JoeStillman
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Help! I need to sketch out what the equipment for a 600A service with a 400A ATS is going to look like against the house.
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3
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1K
rnew
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Reusing starter bucket for new motor feed sizing question.
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5
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830
ptonsparky
ptonsparky
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Transformer sizing for deriving a neutral
2
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24
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4K
wwhitney
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Tainted
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Spacing between conduits when conduit enter wireway
2
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29
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5K
kwired
kwired
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Step-up Transformer 15kva 240 volt 3-phase to output 480-volt 3-phase (What size circuit breaker needed)
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1
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1K
tom baker
tom baker
Tainted
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Pullbox splicing enough space?
2
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21
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2K
LarryFine
LarryFine
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Rooftop Ac Load calculation
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13
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2K
pmoney44
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I need assistance with 3-phase high leg delta load calculation
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3
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764
Jraef
Jraef
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Plenum Ceilings Junction box and conduit fittings
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5
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2K
don_resqcapt19
don_resqcapt19
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