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Electric machines
Alternating-current generators
voltage amplitude
U
m
=
V
x
nV
μV
mV
V
kV
MV
turns number of coil
N =
magnetic induction
B =
T
x
nT
μT
mT
T
area of turn
S =
m
2
x
mm
2
cm
2
dm
2
m
2
km
2
a
ha
in
2
ft
2
yd
2
angular frequency ω=2πf
ω =
1/s
x
1/s
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"