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Primary Current in Transformer Formulas
Primary Current is the current which is flow in the primary winding of the transformer. The primary current of the transformer is dictated by the load current. And is denoted by I
1
. Primary Current is usually measured using the Ampere for Electric Current. Note that the value of Primary Current is always negative.
Formulas to find Primary Current in Transformer
f
x
Primary Current given Primary Leakage Reactance
Go
f
x
Primary Current using Primary Parameters
Go
f
x
Primary Current given Voltage Transformation Ratio
Go
Transformer formulas that make use of Primary Current
f
x
P.U. Primary Resistance Drop
Go
f
x
Impedance of Primary Winding given Primary Parameters
Go
f
x
Input Voltage when EMF Induced in Primary Winding
Go
f
x
Self-Induced EMF in Primary Side
Go
f
x
EMF Induced in Primary Winding given Input Voltage
Go
f
x
Transformation Ratio given Primary and Secondary Current
Go
f
x
Secondary Current given Voltage Transformation Ratio
Go
List of variables in Transformer formulas
f
x
Self Induced EMF in Primary
Go
f
x
Primary Leakage Reactance
Go
f
x
Primary Voltage
Go
f
x
EMF Induced in Primary
Go
f
x
Impedance of Primary
Go
f
x
Secondary Current
Go
f
x
Transformation Ratio
Go
FAQ
What is the Primary Current?
Primary Current is the current which is flow in the primary winding of the transformer. The primary current of the transformer is dictated by the load current. Primary Current is usually measured using the Ampere for Electric Current. Note that the value of Primary Current is always negative.
Can the Primary Current be negative?
Yes, the Primary Current, measured in Electric Current can be negative.
What unit is used to measure Primary Current?
Primary Current is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Primary Current can be measured.
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