UniCalc
RU
full version
Own formula
Calculation
Catalog
About
Help
Find a formula
Alternating-current circuit
Transformer
transformation ratio
k =
voltage on secondary winding
U
2
=
V
x
nV
μV
mV
V
kV
MV
voltage on primary winding
U
1
=
V
x
nV
μV
mV
V
kV
MV
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"