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Given primary voltage = 69 kV ; secondary voltage = 12.47 kV
secondary current = 1296.447 A ; Calculate primary current
|
Vp
Vs
|
= |
Is
Ip
|
|
Vp
Vs
|
= |
Is
Ip
|
In a no loss , ideal transformer , 100% efficient power transfer
power generated in primary winding = power generated in secondary winding
Formula recall of power,
P = I V
Power Primary winding
= Ip Vp
Power Secondary winding
= Is Vs
IpVp = Is Vs
By algebraic manipulation.
Vp / Vs = Is / Ip
