Crack
It
Formula Hub
Electrical formulas made easier.
Interactive formula tools for electrical apprentices.
Series Impedance
Z =
√
R
2
+ X
l
2
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→
Series Voltage
V =
√
V
r
2
+ V
l
2
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→
Parallel Current
I =
√
I
r
2
+ I
l
2
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→
Power Triangle
kVA =
√
kW
2
+ kVAr
2
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→
Power Factor
PF =
kW
kVA
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→
Efficiency
Eff =
P
out
P
in
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→