Field Current in AC Machines Formulas

Field current determines the strength of the magnetic field that induces the voltage in the armature winding. And is denoted by I_f. Field Current is usually measured using the Ampere for Electric Current. Note that the value of Field Current is always positive.

Formulas to find Field Current in AC Machines

fxField CurrentGo

AC Machines formulas that make use of Field Current

fxFull Load Field MMFGo

fxField Coil VoltageGo

List of variables in AC Machines formulas

fx Field Coil Voltage Go

fx Field Resistance Go

FAQ

What is the Field Current?

Field current determines the strength of the magnetic field that induces the voltage in the armature winding. Field Current is usually measured using the Ampere for Electric Current. Note that the value of Field Current is always positive.

Can the Field Current be negative?

No, the Field Current, measured in Electric Current cannot be negative.

What unit is used to measure Field Current?

Field Current is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Field Current can be measured.

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